Known Proth primes ; 0002 < k < 01000
Expression: k * 2^n + 1
k: 3
max n: 24.596.572
n = 1 1 digits
n = 2 2 digits
n = 5 2 digits
n = 6 3 digits
n = 8 3 digits
n = 12 5 digits
n = 18 6 digits
n = 30 10 digits
n = 36 12 digits
n = 41 13 digits
n = 66 21 digits
n = 189 58 digits
n = 201 61 digits
n = 209 64 digits
n = 276 84 digits
n = 353 107 digits
n = 408 124 digits
n = 438 133 digits
n = 534 162 digits
n = 2208 666 digits
n = 2816 849 digits
n = 3168 955 digits
n = 3189 961 digits
n = 3912 1179 digits 1979 G. V. Cormack
n = 20909 6295 digits 1985 Wilfrid Keller
n = 34350 10341 digits Oct 1992 Harvey Dubner; Dubner Cruncher
n = 42294 12733 digits Jul 1993 Jeffrey Young
n = 42665 12844 digits 1993 Jeffrey Young
n = 44685 13453 digits 1993 Jeffrey Young
n = 48150 14496 digits Oct 1993 Jeffrey Young
n = 54792 16495 digits
n = 55182 16612 digits Oct 1993 Jeffrey Young
n = 59973 18055 digits Aug 1995 Jeffrey Young
n = 80190 24141 digits Aug 1995 Jeffrey Young
n = 157169 47314 digits Aug 1995 Jeffrey Young
n = 213321 64217 digits May 1997 Jeffrey Young
n = 303093 91241 digits Jan 1998 Jeffrey Young
n = 362765 109204 digits Jul 2002 John Cosgrave; NewPGen; PRP; Proth
n = 382449 115130 digits Jul 1999 John Cosgrave; Proth
n = 709968 213723 digits May 2005 Keith P. Adney; NewPGen; PRP; Proth
n = 801978 241420 digits Sep 2005 Keith P. Adney; NewPGen; PRP; Proth
n = 916773 275977 digits Jun 2001 John Cosgrave; NewPGen; PRP; Proth
n = 1832496 551637 digits Jul 2007 Joseph Bohanon; LLR; OpenPFGW
n = 2145353 645817 digits Feb 2003 John Cosgrave; NewPGen; PRP; Proth
n = 2291610 689844 digits Aug 2008 Thomas Wolfram; srsieve; PrimeGrid; LLR
n = 2478785 746190 digits Oct 2003 John Cosgrave; NewPGen; PRP; Proth
n = 5082306 1529928 digits Apr 2009 Andy Brady; srsieve; PrimeGrid; LLR
n = 7033641 2117338 digits Feb 2011 Michael Herder; srsieve; PrimeGrid; LLR
n = 10829346 3259959 digits Jan 2014 Sai Yik Tang; srsieve; PrimeGrid; LLR
n = 16408818 4939547 digits Oct 2020 Dr. James Scott Brown; LLR2; srsieve; PrimeGrid; LLR
k: 5
max n: 8.999.999
n = 1 2 digits
n = 3 2 digits
n = 7 3 digits
n = 13 5 digits
n = 15 6 digits
n = 25 9 digits
n = 39 13 digits
n = 55 18 digits
n = 75 24 digits
n = 85 27 digits
n = 127 39 digits
n = 1947 587 digits
n = 3313 999 digits
n = 4687 1412 digits 1979 G. V. Cormack
n = 5947 1791 digits 1979 A. Oliver L. Atkin; Neil W. Rickert
n = 13165 3964 digits 1979 Wilfrid Keller
n = 23473 7067 digits 1984 Wilfrid Keller
n = 26607 8011 digits 1992 Harvey Dubner; Dubner Cruncher
n = 125413 37754 digits Aug 1995 Jeffrey Young
n = 209787 63153 digits May 1997 Jeffrey Young
n = 240937 72530 digits May 1997 Jeffrey Young
n = 819739 246767 digits Jul 2001 Manfred Toplic; Proth
n = 1282755 386149 digits Jun 2002 Manfred Toplic; Proth
n = 1320487 397507 digits Mar 2002 Manfred Toplic; Proth
n = 1777515 535087 digits Apr 2005 Senji Yamashita; Satoshi Noda; Takahiro Nohara; NewPGen; ; PRP; OpenPFGW
k: 7
max n: 8.999.999
n = 2 2 digits
n = 4 3 digits
n = 6 3 digits
n = 14 6 digits
n = 20 7 digits
n = 26 9 digits
n = 50 16 digits
n = 52 17 digits
n = 92 29 digits
n = 120 37 digits
n = 174 54 digits
n = 180 56 digits
n = 190 59 digits
n = 290 89 digits
n = 320 98 digits
n = 390 119 digits
n = 432 131 digits
n = 616 187 digits
n = 830 251 digits
n = 1804 544 digits
n = 2256 680 digits
n = 6614 1992 digits 1979 G. V. Cormack
n = 13496 4064 digits 1984 Wilfrid Keller
n = 15494 4666 digits 1984 Wilfrid Keller
n = 16696 5027 digits Oct 1992 Harvey Dubner; Dubner Cruncher
n = 22386 6740 digits 1992 Harvey Dubner; Dubner Cruncher
n = 54486 16403 digits 1987 Jeffrey Young
n = 88066 26512 digits Aug 1995 Jeffrey Young
n = 95330 28699 digits Aug 1995 Jeffrey Young
n = 207084 62340 digits Jul 1998 Skip Key; Proth
n = 283034 85203 digits Oct 1998 Jeffrey Young
n = 561816 169125 digits Jun 2003 Payam Samidoost; Proth
n = 804534 242190 digits Dec 2003 Kevin Odermatt; Proth
n = 811230 244206 digits Dec 2002 Payam Samidoost; Proth
n = 1491852 449094 digits Mar 2005 Shoichiro Yamada; Satoshi Noda; Takahiro Nohara; NewPGen; ; PRP; OpenPFGW
n = 2139912 644179 digits May 2007 Curtis Cooper; NewPGen; PRP; Proth
n = 2167800 652574 digits Apr 2007 Curtis Cooper; NewPGen; PRP; Proth
n = 2915954 877791 digits Jun 2008 Curtis Cooper; NewPGen; PRP; Proth
n = 3015762 907836 digits Jan 2008 Curtis Cooper; NewPGen; PRP; Proth
n = 3511774 1057151 digits Nov 2008 Curtis Cooper; NewPGen; PRP; OpenPFGW
n = 5775996 1738749 digits Nov 2012 Martyn Elvy; PSieve; srsieve; PrimeGrid; LLR
n = 18233956 5488969 digits Oct 2020 Ryan Propper; LLR
n = 20267500 6101127 digits Jul 2022 Ryan Propper; LLR
k: 9
max n: 8.999.982
n = 1 2 digits
n = 2 2 digits
n = 3 2 digits
n = 6 3 digits
n = 7 4 digits
n = 11 5 digits
n = 14 6 digits
n = 17 7 digits
n = 33 11 digits
n = 42 14 digits
n = 43 14 digits
n = 63 20 digits
n = 65 21 digits
n = 67 22 digits
n = 81 26 digits
n = 134 42 digits
n = 162 50 digits
n = 206 63 digits
n = 211 65 digits
n = 366 112 digits
n = 663 201 digits
n = 782 237 digits
n = 1305 394 digits
n = 1411 426 digits
n = 1494 451 digits
n = 2297 693 digits
n = 2826 852 digits
n = 3230 974 digits
n = 3354 1011 digits 1979 G. V. Cormack
n = 3417 1030 digits 1979 G. V. Cormack
n = 3690 1112 digits 1979 G. V. Cormack
n = 4842 1459 digits 1983 Wilfrid Keller
n = 5802 1748 digits 1979 A. Oliver L. Atkin; Neil W. Rickert
n = 6937 2090 digits 1983 Wilfrid Keller
n = 7967 2400 digits 1979 A. Oliver L. Atkin; Neil W. Rickert
n = 9431 2840 digits 1983 Wilfrid Keller
n = 13903 4187 digits 1991 Wilfrid Keller
n = 22603 6806 digits 1992 Harvey Dubner; Dubner Cruncher
n = 24422 7353 digits Oct 1992 Harvey Dubner; Dubner Cruncher
n = 39186 11798 digits 1992 Harvey Dubner; Dubner Cruncher
n = 43963 13236 digits Jul 1994 Jeffrey Young
n = 47003 14151 digits Oct 1993 Jeffrey Young
n = 49902 15023 digits Oct 1993 Jeffrey Young
n = 67943 20454 digits Aug 1995 Jeffrey Young
n = 114854 34576 digits Aug 1995 Jeffrey Young
n = 127003 38233 digits Aug 1995 Jeffrey Young
n = 145247 43725 digits Aug 1995 Jeffrey Young
n = 147073 44275 digits Aug 1995 Jeffrey Young
n = 149143 44898 digits Aug 1995 Jeffrey Young
n = 304607 91697 digits Jul 1998 Ray Ballinger; Proth
n = 384990 115895 digits Feb 2002 Takahiro Nohara; Proth
n = 412034 124036 digits May 2003 Takahiro Nohara; Proth
n = 435743 131173 digits Jul 2003 Takahiro Nohara; Proth
n = 461081 138801 digits Aug 2003 Takahiro Nohara; Proth
n = 834810 251304 digits Sep 2004 Senji Yamashita; Satoshi Noda; Takahiro Nohara; NewPGen; ; PRP; OpenPFGW
n = 1051026 316392 digits Dec 2004 Souichi Murata; Satoshi Noda; Takahiro Nohara; NewPGen; ; PRP; OpenPFGW
n = 1807574 544135 digits Jun 2011 Reuben Gathright; PSieve; srsieve; PrimeGrid; LLR
n = 2543551 765687 digits Jun 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 3497442 1052836 digits Oct 2012 Heinz Ming; PSieve; srsieve; PrimeGrid; LLR
n = 5642513 1698567 digits Nov 2013 Serge Batalov; srsieve; LLR
n = 9778263 2943552 digits Aug 2020 Ryan Propper; LLR
n = 11158963 3359184 digits Mar 2020 Ryan Propper; LLR
n = 11366286 3421594 digits Mar 2020 Ryan Propper; LLR
n = 11500843 3462100 digits Mar 2020 Ryan Propper; LLR
n = 12406887 3734847 digits Mar 2020 Ryan Propper; LLR
n = 13334487 4014082 digits Mar 2020 Ryan Propper; LLR
k: 11
max n: 8.999.999
n = 1 2 digits
n = 3 2 digits
n = 5 3 digits
n = 7 4 digits
n = 19 7 digits
n = 21 8 digits
n = 43 14 digits
n = 81 26 digits
n = 125 39 digits
n = 127 40 digits
n = 209 64 digits
n = 211 65 digits
n = 3225 972 digits
n = 4543 1369 digits 1983 Wilfrid Keller
n = 10179 3066 digits 1979 Wilfrid Keller
n = 15329 4616 digits 1992 Harvey Dubner; Dubner Cruncher
n = 18759 5649 digits Oct 1992 Harvey Dubner; Dubner Cruncher
n = 28277 8514 digits 1992 Harvey Dubner; Dubner Cruncher
n = 93279 28081 digits Aug 1995 Jeffrey Young
n = 105741 31833 digits Aug 1995 Jeffrey Young
n = 268009 80680 digits Dec 2002 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 412447 124160 digits Oct 2003 Michael Richard Eaton; NewPGen; PRP; Proth
n = 525589 158220 digits Nov 2003 Michael Richard Eaton; NewPGen; OpenPFGW
n = 644677 194069 digits Sep 2004 Michael Richard Eaton; NewPGen; PRP; Proth
n = 886071 266735 digits Feb 2005 Michael Richard Eaton; NewPGen; PRP; Proth
n = 960901 289262 digits Feb 2005 Michael Richard Eaton; NewPGen; PRP; Proth
n = 1343347 404389 digits May 2005 Michael Richard Eaton; NewPGen; PRP; OpenPFGW
n = 2230369 671410 digits Sep 2011 Václav Vinklát; PSieve; srsieve; PrimeGrid; LLR
n = 2476839 745604 digits Sep 2011 Bernt Pettersen; PSieve; srsieve; PrimeGrid; LLR
n = 2691961 810363 digits Mar 2013 Serge Batalov; srsieve; OpenPFGW
n = 2897409 872209 digits Feb 2013 Predrag Kurtovic; srsieve; PrimeGrid; LLR
n = 3771821 1135433 digits Feb 2013 Serge Batalov; srsieve; OpenPFGW
n = 8103463 2439387 digits Mar 2020 Ryan Propper; LLR
n = 9381365 2824074 digits Mar 2020 Ryan Propper; LLR
n = 10797109 3250255 digits May 2022 Ryan Propper; LLR
n = 10803449 3252164 digits May 2022 Ryan Propper; LLR
n = 15502315 4666663 digits Jan 2023 Ryan Propper; LLR
k: 13
max n: 8.999.999
n = 2 2 digits
n = 8 4 digits
n = 10 5 digits
n = 20 8 digits
n = 28 10 digits
n = 82 26 digits
n = 188 58 digits
n = 308 94 digits
n = 316 97 digits
n = 1000 303 digits
n = 28280 8515 digits Oct 1992 Harvey Dubner; Dubner Cruncher
n = 38008 11443 digits 1992 Harvey Dubner; Dubner Cruncher
n = 43856 13204 digits May 1993 Jeffrey Young
n = 88018 26498 digits Aug 1995 Jeffrey Young
n = 109258 32892 digits Aug 1995 Jeffrey Young
n = 114296 34408 digits Aug 1995 Jeffrey Young
n = 521306 156930 digits May 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 562456 169318 digits Jun 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 684560 206075 digits Jul 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 1038896 312740 digits Jan 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 1499876 451509 digits Dec 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 1861732 560439 digits Nov 2005 Peter Grobstich; NewPGen; PRP; Proth
n = 4998362 1504659 digits Jul 2014 Mark Rodenkirch; PSieve; srsieve; LLR
n = 5523860 1662849 digits Jan 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 6481780 1951212 digits Mar 2020 Ryan Propper; LLR
n = 8989858 2706219 digits Mar 2020 Ryan Propper; LLR
n = 15294536 4604116 digits Sep 2023 Ryan Propper; srsieve; PRST
n = 16828072 5065756 digits Oct 2023 Ryan Propper; srsieve; PRST
k: 15
max n: 8.999.999
n = 1 2 digits
n = 2 2 digits
n = 4 3 digits
n = 9 4 digits
n = 10 5 digits
n = 12 5 digits
n = 27 10 digits
n = 37 13 digits
n = 38 13 digits
n = 44 15 digits
n = 48 16 digits
n = 78 25 digits
n = 112 35 digits
n = 168 52 digits
n = 229 71 digits
n = 297 91 digits
n = 339 104 digits
n = 517 157 digits
n = 522 159 digits
n = 654 199 digits
n = 900 273 digits
n = 1518 459 digits
n = 2808 847 digits
n = 2875 867 digits
n = 3128 943 digits
n = 3888 1172 digits 1979 G. V. Cormack
n = 4410 1329 digits 1983 Wilfrid Keller
n = 6804 2050 digits 1983 Wilfrid Keller
n = 7050 2124 digits 1983 Wilfrid Keller
n = 7392 2227 digits 1983 Wilfrid Keller
n = 19219 5787 digits Dec 1992 Harvey Dubner; Dubner Cruncher
n = 21445 6457 digits Dec 1992 Harvey Dubner; Dubner Cruncher
n = 21550 6489 digits Mar 1993 Harvey Dubner; Dubner Cruncher
n = 24105 7258 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 24995 7526 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 34224 10304 digits 1993 Harvey Dubner; Dubner Cruncher
n = 34260 10315 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 43388 13063 digits Aug 1995 Jeffrey Young
n = 48444 14585 digits Aug 1995 Jeffrey Young
n = 61758 18593 digits Aug 1995 Jeffrey Young
n = 184290 55478 digits Oct 1998 Jeffrey Young
n = 294894 88774 digits Oct 2003 Payam Samidoost; NewPGen; PRP; OpenPFGW
n = 300488 90458 digits Feb 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 403929 121596 digits Oct 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 483098 145429 digits Feb 2004 Payam Samidoost; NewPGen; PRP; OpenPFGW
n = 635989 191453 digits Oct 2004 Payam Samidoost; NewPGen; PRP; OpenPFGW
n = 701902 211295 digits Oct 2004 Payam Samidoost; NewPGen; PRP; OpenPFGW
n = 734400 221078 digits Oct 2004 Payam Samidoost; NewPGen; PRP; OpenPFGW
n = 1229600 370148 digits Mar 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1244377 374596 digits Jan 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1276177 384169 digits Feb 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1368428 411940 digits Feb 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1418605 427044 digits Apr 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1597510 480900 digits Aug 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1667744 502043 digits Apr 2007 Curtis Cooper; NewPGen; PRP; Proth
n = 2393365 720476 digits Apr 2010 Darren Wallace; srsieve; NewPGen; PrimeGrid; LLR
n = 2785940 838653 digits Nov 2012 Serge Batalov; srsieve; OpenPFGW
n = 2988834 899730 digits Dec 2012 Serge Batalov; srsieve; OpenPFGW
n = 3162659 952057 digits Dec 2012 Serge Batalov; srsieve; OpenPFGW
n = 4246384 1278291 digits May 2013 Serge Batalov; srsieve; LLR
n = 4800315 1445040 digits Oct 2019 Ricky L Hubbard; PSieve; srsieve; PrimeGrid; LLR
n = 7300254 2197597 digits Oct 2020 Robert Gelhar; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 7619838 2293801 digits Dec 2020 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 9312889 2803461 digits Aug 2023 Ryan Propper; LLR
n = 9830108 2959159 digits Aug 2023 Ryan Propper; srsieve; PRST
n = 17609618 5301025 digits May 2026 Ryan Propper; srsieve; PRST
k: 17
max n: 8.999.999
n = 3 3 digits
n = 15 6 digits
n = 27 10 digits
n = 51 17 digits
n = 147 46 digits
n = 243 75 digits
n = 267 82 digits
n = 347 106 digits
n = 471 144 digits
n = 747 227 digits
n = 2163 653 digits
n = 3087 931 digits
n = 5355 1614 digits 1979 G. V. Cormack
n = 6539 1970 digits 1979 G. V. Cormack
n = 7311 2203 digits 1979 G. V. Cormack
n = 99231 29873 digits Aug 1995 Jeffrey Young
n = 824451 248186 digits Jan 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 1388355 417938 digits Sep 2005 Peter Grobstich; NewPGen; PRP; Proth
n = 1990299 599141 digits Mar 2006 Peter Grobstich; NewPGen; PRP; Proth
n = 8636199 2599757 digits Feb 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 19
max n: 8.999.999
n = 6 4 digits
n = 10 5 digits
n = 46 16 digits
n = 366 112 digits
n = 1246 377 digits
n = 2038 615 digits
n = 4386 1322 digits 1983 Wilfrid Keller
n = 4438 1338 digits 1983 Wilfrid Keller
n = 6838 2060 digits 1978 Wilfrid Keller
n = 7498 2259 digits 1983 Wilfrid Keller
n = 7998 2409 digits 1983 Wilfrid Keller
n = 9450 2847 digits 1980 Wilfrid Keller
n = 11890 3581 digits 1980 Wilfrid Keller
n = 17034 5130 digits 1992 Harvey Dubner; Dubner Cruncher
n = 23290 7013 digits 1992 Harvey Dubner; Dubner Cruncher
n = 73338 22079 digits Aug 1995 Jeffrey Young
n = 149146 44899 digits May 1998 Yves Gallot; Proth
n = 323638 97427 digits Nov 2002 Yves Gallot; Proth
n = 853546 256945 digits Feb 2005 Joseph Bohanon; LLR; Proth
n = 2206266 664154 digits Sep 2006 Joseph Bohanon; LLR; OpenPFGW
n = 6833086 2056966 digits Oct 2020 Jiri Jaros; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 21
max n: 8.999.999
n = 1 2 digits
n = 4 3 digits
n = 5 3 digits
n = 7 4 digits
n = 9 5 digits
n = 12 5 digits
n = 16 7 digits
n = 17 7 digits
n = 41 14 digits
n = 124 39 digits
n = 128 40 digits
n = 129 41 digits
n = 187 58 digits
n = 209 65 digits
n = 276 85 digits
n = 313 96 digits
n = 397 121 digits
n = 899 272 digits
n = 1532 463 digits
n = 1613 487 digits
n = 1969 595 digits
n = 2245 678 digits
n = 2733 825 digits
n = 4585 1382 digits 1983 Wilfrid Keller
n = 4644 1400 digits 1983 Wilfrid Keller
n = 6712 2022 digits 1983 Wilfrid Keller
n = 6981 2103 digits 1983 Wilfrid Keller
n = 13344 4019 digits 1988 Wilfrid Keller
n = 17524 5277 digits 1992 Harvey Dubner; Dubner Cruncher
n = 27124 8167 digits Mar 1993 Harvey Dubner; Dubner Cruncher
n = 29769 8963 digits Jan 1993 Harvey Dubner; Dubner Cruncher
n = 47337 14252 digits Aug 1995 Jeffrey Young
n = 55828 16808 digits Aug 1995 Jeffrey Young
n = 91008 27398 digits Aug 1995 Jeffrey Young
n = 94801 28540 digits Aug 1995 Jeffrey Young
n = 164901 49642 digits Apr 1999 John Cosgrave; Proth
n = 179457 54024 digits Jan 2000 Patrick Pirson; Proth
n = 191337 57600 digits Sep 2000 Greg Hewgill; Proth
n = 200568 60379 digits Oct 2000 Jukka Santala; Proth
n = 220992 66527 digits Jun 2001 Sturle Sunde; Proth
n = 686632 206699 digits May 2004 Curtis Cooper; NewPGen; PRP; Proth
n = 856865 257944 digits May 2004 Curtis Cooper; NewPGen; PRP; Proth
n = 1022168 307705 digits Jun 2004 Curtis Cooper; NewPGen; PRP; Proth
n = 1240067 373299 digits Jul 2004 Curtis Cooper; NewPGen; PRP; Proth
n = 1421741 427989 digits Jan 2005 Curtis Cooper; NewPGen; PRP; Proth
n = 1830919 551163 digits Nov 2004 Curtis Cooper; NewPGen; PRP; Proth
n = 3065701 922870 digits Dec 2012 Serge Batalov; srsieve; OpenPFGW
n = 6048861 1820890 digits Jun 2020 Ken Glennie; PSieve; srsieve; PrimeGrid; LLR
k: 23
max n: 8.999.999
n = 1 2 digits
n = 9 5 digits
n = 13 6 digits
n = 29 11 digits
n = 41 14 digits
n = 49 17 digits
n = 69 23 digits
n = 73 24 digits
n = 341 105 digits
n = 381 117 digits
n = 389 119 digits
n = 649 197 digits
n = 1961 592 digits
n = 3929 1185 digits 1979 G. V. Cormack
n = 977541 294271 digits Oct 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 1399841 421396 digits Jul 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1448461 436032 digits Feb 2008 Marco Crosa; LLR
n = 2425641 730193 digits Sep 2011 Jianwen Ling; PSieve; srsieve; PrimeGrid; LLR
n = 4300741 1294654 digits Oct 2019 Nicholas Mohacsy; PSieve; srsieve; PrimeGrid; LLR
k: 25
max n: 8.999.999
n = 2 3 digits
n = 4 3 digits
n = 6 4 digits
n = 10 5 digits
n = 20 8 digits
n = 22 9 digits
n = 52 18 digits
n = 64 21 digits
n = 78 25 digits
n = 184 57 digits
n = 232 72 digits
n = 268 83 digits
n = 340 104 digits
n = 448 137 digits
n = 554 169 digits
n = 664 202 digits
n = 740 225 digits
n = 748 227 digits
n = 1280 387 digits
n = 1328 402 digits
n = 1640 496 digits
n = 3314 1000 digits 1979 G. V. Cormack
n = 3904 1177 digits 1979 G. V. Cormack
n = 3938 1187 digits 1979 G. V. Cormack
n = 5152 1553 digits 1983 Wilfrid Keller
n = 9522 2868 digits 1983 Wilfrid Keller
n = 57488 17308 digits Aug 1995 Jeffrey Young
n = 66872 20132 digits Aug 1995 Jeffrey Young
n = 148060 44572 digits Nov 1999 Sturle Sunde; Proth
n = 154254 46437 digits Sep 1999 Peter JH Dodson; Proth
n = 216092 65052 digits Jan 2001 Nestor Sergio de Araujo Melo; Proth
n = 302194 90971 digits Nov 2003 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 367294 110568 digits Mar 2004 Curtis Cooper; NewPGen; PRP; Proth
n = 627710 188961 digits Apr 2004 Curtis Cooper; NewPGen; PRP; Proth
n = 966414 290922 digits May 2004 Curtis Cooper; NewPGen; PRP; Proth
n = 1211488 364696 digits Jan 2005 Curtis Cooper; NewPGen; PRP; Proth
n = 1258562 378867 digits Dec 2004 Curtis Cooper; NewPGen; PRP; Proth
n = 1298186 390795 digits May 2005 Curtis Cooper; NewPGen; PRP; Proth
n = 2141884 644773 digits Sep 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2583690 777770 digits Apr 2013 Håkan Lind; PSieve; srsieve; PrimeGrid; LLR
n = 2927222 881184 digits Apr 2013 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 3733144 1123790 digits Sep 2019 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 4481024 1348925 digits Oct 2019 Will Steinbach; PSieve; srsieve; PrimeGrid; LLR
n = 8456828 2545761 digits Jan 2021 Wolfgang Schwieger; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 8788628 2645643 digits Mar 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 13719266 4129912 digits Sep 2022 Ryan Propper; LLR
k: 27
max n: 8.999.972
n = 2 3 digits
n = 4 3 digits
n = 7 4 digits
n = 16 7 digits
n = 19 8 digits
n = 20 8 digits
n = 22 9 digits
n = 26 10 digits
n = 40 14 digits
n = 44 15 digits
n = 46 16 digits
n = 47 16 digits
n = 50 17 digits
n = 56 19 digits
n = 59 20 digits
n = 64 21 digits
n = 92 30 digits
n = 175 55 digits
n = 215 67 digits
n = 275 85 digits
n = 407 124 digits
n = 455 139 digits
n = 1076 326 digits
n = 1090 330 digits
n = 3080 929 digits
n = 3322 1002 digits 1979 G. V. Cormack
n = 6419 1934 digits 1979 G. V. Cormack
n = 7639 2301 digits 1979 G. V. Cormack
n = 19360 5830 digits Mar 1993 Jeffrey Young
n = 30500 9183 digits May 1993 Harvey Dubner; Dubner Cruncher
n = 38770 11673 digits Jul 1993 Harvey Dubner; Dubner Cruncher
n = 44164 13297 digits Aug 1995 Jeffrey Young
n = 50696 15263 digits Aug 1995 Jeffrey Young
n = 114760 34548 digits Nov 1997 Yves Gallot; Proth
n = 117784 35458 digits Dec 1997 Yves Gallot; Proth
n = 153847 46314 digits Aug 1999 Jo Yeong Uk; Proth
n = 160874 48430 digits Oct 1999 Jo Yeong Uk; Proth
n = 178739 53808 digits Apr 2000 Jo Yeong Uk; Proth
n = 379880 114357 digits Dec 2003 Reto Keiser; Proth
n = 405514 122074 digits Dec 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 672007 202296 digits Aug 2005 Curtis Cooper; NewPGen; PRP; Proth
n = 974752 293432 digits Jul 2005 Mark Rodenkirch; NewPGen; LLR
n = 1164664 350601 digits Nov 2005 Curtis Cooper; NewPGen; PRP; Proth
n = 1476347 444427 digits Nov 2005 Curtis Cooper; NewPGen; PRP; Proth
n = 2218064 667706 digits Dec 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 5213635 1569462 digits Mar 2015 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 7046834 2121310 digits Oct 2018 Andrew M Farrow; PSieve; srsieve; PrimeGrid; LLR
n = 7963247 2397178 digits Jan 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 12184319 3667847 digits Feb 2021 Ryan Propper; LLR
k: 29
max n: 8.999.999
n = 1 2 digits
n = 3 3 digits
n = 5 3 digits
n = 11 5 digits
n = 27 10 digits
n = 43 15 digits
n = 57 19 digits
n = 75 25 digits
n = 77 25 digits
n = 93 30 digits
n = 103 33 digits
n = 143 45 digits
n = 185 58 digits
n = 231 72 digits
n = 245 76 digits
n = 391 120 digits
n = 1053 319 digits
n = 1175 356 digits
n = 2027 612 digits
n = 3627 1094 digits 1979 G. V. Cormack
n = 4727 1425 digits 1979 G. V. Cormack
n = 5443 1640 digits 1979 G. V. Cormack
n = 7927 2388 digits 1979 G. V. Cormack
n = 8533 2571 digits 1986 Wilfrid Keller
n = 9067 2731 digits 1986 Wilfrid Keller
n = 14185 4272 digits 1991 Wilfrid Keller
n = 25723 7745 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 88117 26528 digits Aug 1995 Jeffrey Young
n = 96947 29186 digits Aug 1995 Jeffrey Young
n = 144937 43632 digits May 1999 Sturle Sunde; Proth
n = 219317 66023 digits May 1999 Tadashi Taura; Proth
n = 252227 75930 digits Jul 1999 Tadashi Taura; Proth
n = 261031 78580 digits Sep 1999 Tadashi Taura; Proth
n = 339123 102088 digits Jul 2002 Tadashi Taura; Proth
n = 343601 103436 digits Aug 2002 Tadashi Taura; Proth
n = 627167 188798 digits Jun 2005 Jiong Sun; NewPGen; PRP; OpenPFGW
n = 742191 223424 digits Jul 2005 Jiong Sun; NewPGen; PRP; OpenPFGW
n = 800191 240883 digits Aug 2005 Jiong Sun; NewPGen; PRP; OpenPFGW
n = 1152765 347019 digits Sep 2005 Matt Zilmer; Proth
n = 1416873 426523 digits Apr 2007 Jay Berg; Proth
n = 1574753 474050 digits Feb 2008 Mark Rodenkirch; srsieve; LLR
n = 3964697 1193495 digits Sep 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 4532463 1364409 digits Oct 2019 Jack Harris; PSieve; srsieve; PrimeGrid; LLR
n = 7374577 2219971 digits Oct 2020 Pavel Atnashev; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 7899985 2378134 digits Jan 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 31
max n: 8.999.999
n = 8 4 digits
n = 60 20 digits
n = 68 22 digits
n = 140 44 digits
n = 216 67 digits
n = 416 127 digits
n = 1808 546 digits
n = 1944 587 digits
n = 9096 2740 digits 1983 Wilfrid Keller
n = 76596 23060 digits Aug 1995 Jeffrey Young
n = 93168 28048 digits Aug 1995 Jeffrey Young
n = 4673544 1406879 digits Oct 2019 Robert Heindl; PSieve; srsieve; PrimeGrid; LLR
n = 5560820 1673976 digits Jan 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 8348000 2513000 digits Jan 2021 Igor Karpenko; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 33
max n: 8.999.999
n = 1 2 digits
n = 6 4 digits
n = 13 6 digits
n = 18 7 digits
n = 21 8 digits
n = 22 9 digits
n = 25 10 digits
n = 28 10 digits
n = 66 22 digits
n = 93 30 digits
n = 118 38 digits
n = 289 89 digits
n = 412 126 digits
n = 453 138 digits
n = 525 160 digits
n = 726 221 digits
n = 828 251 digits
n = 1420 429 digits
n = 1630 493 digits
n = 3076 928 digits
n = 3118 941 digits
n = 4452 1342 digits 1983 Wilfrid Keller
n = 4941 1489 digits 1983 Wilfrid Keller
n = 5236 1578 digits 1983 Wilfrid Keller
n = 6346 1912 digits 1983 Wilfrid Keller
n = 9133 2751 digits 1986 Wilfrid Keller
n = 13401 4036 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 14214 4281 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 18766 5651 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 37249 11215 digits 1993 Jeffrey Young
n = 42685 12851 digits Aug 1995 Jeffrey Young
n = 47805 14393 digits Aug 1995 Jeffrey Young
n = 61372 18477 digits May 1997 Patrick Demichel
n = 74178 22332 digits Jun 1998 Aaron Swihart; Proth
n = 600270 180701 digits Jul 2005 Reto Keiser; NewPGen; LLR
n = 922782 277787 digits Feb 2006 Reto Keiser; NewPGen; OpenPFGW; LLR
n = 1130884 340432 digits Jul 2006 Reto Keiser; NewPGen; OpenPFGW; LLR
n = 2345001 705918 digits Apr 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 3176269 956154 digits Dec 2013 Serge Batalov; srsieve; LLR
n = 3570132 1074719 digits Jun 2014 Fabrice Le Foulher; PSieve; srsieve; PrimeGrid; LLR
n = 3649810 1098704 digits Sep 2019 Kellen Shenton; PSieve; srsieve; PrimeGrid; LLR
k: 35
max n: 8.999.999
n = 1 2 digits
n = 3 3 digits
n = 7 4 digits
n = 9 5 digits
n = 13 6 digits
n = 15 7 digits
n = 31 11 digits
n = 45 16 digits
n = 47 16 digits
n = 49 17 digits
n = 55 19 digits
n = 147 46 digits
n = 245 76 digits
n = 327 100 digits
n = 355 109 digits
n = 663 202 digits
n = 1423 430 digits
n = 1443 436 digits
n = 2493 753 digits
n = 3627 1094 digits 1983 Wilfrid Keller
n = 4737 1428 digits 1983 Wilfrid Keller
n = 6541 1971 digits 1983 Wilfrid Keller
n = 9667 2912 digits 1986 Wilfrid Keller
n = 22645 6819 digits Aug 1995 Jeffrey Young
n = 27321 8226 digits Aug 1995 Jeffrey Young
n = 61963 18655 digits May 1997 Patrick Demichel
n = 68281 20557 digits May 1998 Robert L. Clark; Proth
n = 144397 43470 digits Jul 2000 Peter JH Dodson; Proth
n = 151741 45681 digits Jul 2000 Michael Ian Hartley; Proth
n = 187859 56553 digits Jun 2001 Peter JH Dodson; Proth
n = 191509 57652 digits Jun 2001 Peter JH Dodson; Proth
n = 273251 82259 digits Jan 2004 Hans Overmann; Proth
n = 494607 148894 digits May 2005 Reto Keiser; Proth
n = 696935 209800 digits Oct 2005 Reto Keiser; NewPGen; LLR
n = 768063 231212 digits Dec 2005 Reto Keiser; NewPGen; LLR
n = 831411 250282 digits Jun 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1040005 313075 digits Jul 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1357881 408765 digits Aug 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1765449 531455 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2099769 632095 digits Mar 2013 Serge Batalov; srsieve; LLR
n = 2241049 674625 digits Mar 2013 Ernst Fluttert; PSieve; srsieve; PrimeGrid; LLR
n = 3570777 1074913 digits Jun 2014 Robert Lacroix; PSieve; srsieve; PrimeGrid; LLR
n = 3587843 1080050 digits Jul 2014 Peter Tibbott; PSieve; srsieve; PrimeGrid; LLR
k: 37
max n: 8.999.999
n = 2 3 digits
n = 4 3 digits
n = 8 4 digits
n = 10 5 digits
n = 12 6 digits
n = 16 7 digits
n = 22 9 digits
n = 26 10 digits
n = 68 23 digits
n = 82 27 digits
n = 84 27 digits
n = 106 34 digits
n = 110 35 digits
n = 166 52 digits
n = 236 73 digits
n = 254 79 digits
n = 286 88 digits
n = 290 89 digits
n = 712 216 digits
n = 1240 375 digits
n = 1706 516 digits
n = 1804 545 digits
n = 1904 575 digits
n = 2240 676 digits
n = 2632 794 digits
n = 3104 936 digits
n = 5870 1769 digits 1983 Wilfrid Keller
n = 8750 2636 digits 1986 Wilfrid Keller
n = 11514 3468 digits 1991 Wilfrid Keller
n = 11972 3606 digits 1991 Wilfrid Keller
n = 14434 4347 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 16322 4915 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 18044 5434 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 19050 5737 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 23014 6930 digits Aug 1995 Jeffrey Young
n = 32424 9763 digits Aug 1995 Jeffrey Young
n = 59354 17869 digits May 1997 Patrick Demichel
n = 62350 18771 digits May 1997 Patrick Demichel
n = 120196 36185 digits Sep 1999 Peter JH Dodson; Proth
n = 157128 47302 digits Dec 2000 Peter JH Dodson; Proth
n = 167326 50372 digits Mar 2001 Peter JH Dodson; Proth
n = 211056 63536 digits Aug 2001 Peter JH Dodson; Proth
n = 218550 65792 digits Aug 2001 Peter JH Dodson; Proth
n = 230716 69455 digits Mar 2002 Tadashi Taura; Proth
n = 233968 70433 digits Mar 2002 Tadashi Taura; Proth
n = 239902 72220 digits Mar 2002 Tadashi Taura; Proth
n = 256954 77353 digits Mar 2002 Tadashi Taura; Proth
n = 331144 99686 digits Dec 2003 Jiong Sun; NewPGen; PRP; Proth
n = 548012 164970 digits Nov 2005 Jiong Sun; NewPGen; PRP; OpenPFGW
n = 551830 166119 digits Apr 2005 Jiong Sun; NewPGen; PRP; OpenPFGW
n = 939364 282779 digits Feb 2006 Jiong Sun; NewPGen; PRP; OpenPFGW
n = 2128328 640693 digits Apr 2013 Ken Micom; PSieve; srsieve; PrimeGrid; LLR
n = 4046360 1218078 digits Oct 2019 Hans Sveen; PSieve; srsieve; PrimeGrid; LLR
n = 10599476 3190762 digits Jun 2022 Ryan Propper; LLR
n = 11855148 3568757 digits May 2022 Ryan Propper; LLR
n = 14166940 4264676 digits Jun 2022 Ryan Propper; LLR
n = 15474010 4658143 digits Nov 2022 Ryan Propper; LLR
k: 39
max n: 8.999.999
n = 1 2 digits
n = 2 3 digits
n = 3 3 digits
n = 5 4 digits
n = 7 4 digits
n = 10 5 digits
n = 11 5 digits
n = 13 6 digits
n = 14 6 digits
n = 18 8 digits
n = 21 8 digits
n = 22 9 digits
n = 31 11 digits
n = 42 15 digits
n = 67 22 digits
n = 70 23 digits
n = 71 23 digits
n = 73 24 digits
n = 251 78 digits
n = 370 113 digits
n = 375 115 digits
n = 389 119 digits
n = 407 125 digits
n = 518 158 digits
n = 818 248 digits
n = 865 262 digits
n = 1057 320 digits
n = 1602 484 digits
n = 2211 668 digits
n = 3049 920 digits
n = 4802 1448 digits 1983 Wilfrid Keller
n = 4865 1467 digits 1983 Wilfrid Keller
n = 5317 1603 digits 1983 Wilfrid Keller
n = 7583 2285 digits 1983 Wilfrid Keller
n = 8061 2429 digits 1986 Wilfrid Keller
n = 9853 2968 digits 1986 Wilfrid Keller
n = 10217 3078 digits 1991 Wilfrid Keller
n = 12103 3645 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 13721 4133 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 14927 4496 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 15441 4650 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 15931 4798 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 16709 5032 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 18907 5694 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 20221 6089 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 21882 6589 digits Aug 1995 Jeffrey Young
n = 25654 7725 digits Aug 1995 Jeffrey Young
n = 28437 8562 digits Aug 1995 Jeffrey Young
n = 30325 9131 digits Aug 1995 Jeffrey Young
n = 31485 9480 digits Aug 1995 Jeffrey Young
n = 33593 10115 digits Mar 1993 Jeffrey Young
n = 37393 11259 digits Aug 1995 Jeffrey Young
n = 46362 13958 digits Aug 1995 Jeffrey Young
n = 62429 18795 digits May 1997 Patrick Demichel
n = 66971 20162 digits Aug 1997 Patrick Demichel
n = 77242 23254 digits Oct 1998 Jeffrey Young
n = 82191 24744 digits Oct 1998 Jeffrey Young
n = 94449 28434 digits Oct 1998 Jeffrey Young
n = 105063 31629 digits Feb 1999 Rachel Lewis; Proth
n = 107778 32447 digits Feb 1999 Rachel Lewis; Proth
n = 113490 34166 digits May 1999 John Renze; Proth
n = 113549 34184 digits May 1999 John Renze; Proth
n = 138009 41547 digits Nov 1999 Diego Rattaggi; Proth
n = 204681 61617 digits Nov 2000 Nestor Sergio de Araujo Melo; Proth
n = 378861 114051 digits Dec 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 421590 126913 digits May 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 510595 153707 digits Jan 2005 Peter Grobstich; NewPGen; PRP; Proth
n = 512997 154430 digits Jan 2005 Peter Grobstich; NewPGen; PRP; Proth
n = 529642 159440 digits Feb 2005 Peter Grobstich; NewPGen; PRP; Proth
n = 534973 161045 digits Feb 2005 Peter Grobstich; NewPGen; PRP; Proth
n = 555902 167345 digits Mar 2005 Peter Grobstich; NewPGen; PRP; Proth
n = 587850 176963 digits Apr 2005 Peter Grobstich; NewPGen; PRP; Proth
n = 634441 190988 digits Apr 2005 Kevin Odermatt; Proth
n = 778233 234274 digits Jul 2005 Peter Grobstich; NewPGen; PRP; Proth
n = 1612681 485467 digits Aug 2011 Kennichi Uehara; PSieve; srsieve; PrimeGrid; LLR
n = 1824871 549343 digits Sep 2011 Sander Kõluvere; PSieve; srsieve; PrimeGrid; LLR
n = 2188855 658913 digits Feb 2013 Serge Batalov; srsieve; OpenPFGW
n = 2705367 814399 digits Apr 2013 Gary Craig; PSieve; srsieve; PrimeGrid; LLR
n = 2978894 896739 digits Apr 2013 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 3240990 975637 digits Jan 2014 Serge Batalov; srsieve; LLR
n = 3961129 1192421 digits Sep 2019 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 4657951 1402185 digits Oct 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 5119458 1541113 digits Nov 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 6164630 1855741 digits Aug 2020 Alen Kecic; PSieve; srsieve; PrimeGrid; LLR
n = 6648997 2001550 digits Oct 2020 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6684941 2012370 digits Oct 2020 Mike Thümmler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 7946769 2392218 digits Jan 2021 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 8413422 2532694 digits Jan 2021 Philipp Bliedung; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 41
max n: 8.999.999
n = 1 2 digits
n = 11 5 digits
n = 19 8 digits
n = 215 67 digits
n = 289 89 digits
n = 379 116 digits
n = 1991 601 digits
n = 7607 2292 digits 1983 Wilfrid Keller
n = 8411 2534 digits 1983 Wilfrid Keller
n = 12493 3763 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 13235 3986 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13823 4163 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 274897 82754 digits Jun 2004 Jay Berg; Proth
n = 364861 109836 digits May 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 462023 139085 digits Oct 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1530313 460672 digits Jul 2011 Robert Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 5651731 1701343 digits Feb 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 11676439 3514960 digits Jun 2022 Ryan Propper; LLR
k: 43
max n: 8.999.999
n = 2 3 digits
n = 6 4 digits
n = 12 6 digits
n = 18 8 digits
n = 26 10 digits
n = 32 12 digits
n = 94 30 digits
n = 98 32 digits
n = 104 33 digits
n = 144 45 digits
n = 158 50 digits
n = 252 78 digits
n = 778 236 digits
n = 1076 326 digits
n = 2974 897 digits
n = 3022 912 digits
n = 3528 1064 digits 1983 Wilfrid Keller
n = 4344 1310 digits 1983 Wilfrid Keller
n = 5322 1604 digits 1983 Wilfrid Keller
n = 10416 3138 digits 1991 Wilfrid Keller
n = 10422 3139 digits 1991 Wilfrid Keller
n = 29862 8991 digits Aug 1995 Jeffrey Young
n = 33526 10094 digits Aug 1995 Jeffrey Young
n = 163354 49177 digits Apr 2001 Peter JH Dodson; Proth
n = 167618 50460 digits Apr 2001 Peter JH Dodson; Proth
n = 175542 52846 digits Jan 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 217584 65501 digits Oct 2002 Tadashi Taura; Proth
n = 762212 229451 digits May 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 835934 251643 digits Jul 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 894766 269354 digits Aug 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1087992 327520 digits Sep 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1235298 371864 digits Sep 2006 Curtis Cooper; NewPGen; PRP; Proth
n = 1795628 540540 digits Aug 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1799016 541560 digits Sep 2011 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 2795582 841556 digits May 2013 Ryan English; PSieve; srsieve; PrimeGrid; LLR
n = 2994958 901574 digits May 2013 Chika Yamamoto; PSieve; srsieve; PrimeGrid; LLR
n = 3063674 922260 digits Dec 2013 Serge Batalov; srsieve; LLR
k: 45
max n: 8.999.999
n = 2 3 digits
n = 9 5 digits
n = 12 6 digits
n = 14 6 digits
n = 23 9 digits
n = 24 9 digits
n = 29 11 digits
n = 60 20 digits
n = 189 59 digits
n = 200 62 digits
n = 333 102 digits
n = 372 114 digits
n = 443 136 digits
n = 464 142 digits
n = 801 243 digits
n = 1374 416 digits
n = 6146 1852 digits 1983 Wilfrid Keller
n = 6284 1894 digits 1983 Wilfrid Keller
n = 6359 1916 digits 1983 Wilfrid Keller
n = 6923 2086 digits 1983 Wilfrid Keller
n = 12293 3703 digits Oct 1996 Harvey Dubner; Dubner Cruncher
n = 16679 5023 digits 1993 Harvey Dubner; Dubner Cruncher
n = 18660 5619 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 19301 5812 digits Mar 1993 Jeffrey Young
n = 29240 8804 digits Aug 1995 Jeffrey Young
n = 32018 9641 digits Aug 1995 Jeffrey Young
n = 38457 11579 digits Aug 1995 Jeffrey Young
n = 48612 14636 digits Aug 1995 Jeffrey Young
n = 56754 17087 digits May 1997 Patrick Demichel
n = 67394 20290 digits May 1999 John Renze; Proth
n = 76416 23006 digits Jun 1999 Gennady N. Gusev; Proth
n = 79160 23832 digits Jun 1999 Gennady N. Gusev; Proth
n = 91403 27517 digits Jun 1999 Gennady N. Gusev; Proth
n = 97116 29237 digits Jun 1999 Gennady N. Gusev; Proth
n = 110303 33207 digits Dec 1999 Rachel Lewis; Proth
n = 129731 39055 digits Feb 1998 Jeffrey Young
n = 159318 47962 digits Aug 1999 Gennady N. Gusev; Proth
n = 202304 60902 digits May 2000 Gennady N. Gusev; Proth
n = 243321 73249 digits Jul 2002 Tadashi Taura; Proth
n = 426653 128438 digits Apr 2007 Marco Crosa; LLR
n = 458712 138088 digits Jun 2007 Marco Crosa; LLR
n = 574506 172946 digits Apr 2007 Nestor Sergio de Araujo Melo; NewPGen; PRP; Proth
n = 949353 285786 digits Aug 2006 Peter Riesen; Proth
n = 1086062 326939 digits May 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1111703 334658 digits Nov 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1134357 341478 digits Nov 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1365167 410958 digits Oct 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1427666 429772 digits Dec 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1779971 535827 digits Aug 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 2014557 606444 digits Feb 2012 Darren Wallace; srsieve; NewPGen; PrimeGrid; LLR
n = 2347187 706576 digits Mar 2012 Darren Wallace; srsieve; NewPGen; PrimeGrid; LLR
n = 2507894 754953 digits Apr 2012 Darren Wallace; srsieve; NewPGen; PrimeGrid; LLR
n = 2711732 816315 digits May 2012 Darren Wallace; srsieve; NewPGen; PrimeGrid; LLR
n = 3677787 1107126 digits Sep 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 5308037 1597881 digits Dec 2019 Jordan Romaidis; PSieve; srsieve; PrimeGrid; LLR
n = 7513661 2261839 digits Nov 2020 Hiroyuki Okazaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 7661004 2306194 digits Dec 2020 Tim Terry; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 47
max n: 8.999.999
n = 583 178 digits
n = 1483 449 digits
n = 6115 1843 digits 1983 Wilfrid Keller
k: 49
max n: 8.999.999
n = 2 3 digits
n = 6 4 digits
n = 10 5 digits
n = 30 11 digits
n = 42 15 digits
n = 54 18 digits
n = 66 22 digits
n = 118 38 digits
n = 390 120 digits
n = 594 181 digits
n = 1202 364 digits
n = 2334 705 digits
n = 6242 1881 digits 1983 Wilfrid Keller
n = 7446 2244 digits 1983 Wilfrid Keller
n = 11858 3572 digits 1991 Wilfrid Keller
n = 48666 14652 digits Aug 1995 Jeffrey Young
n = 68050 20487 digits
n = 72210 21740 digits Jun 1998 Lars A Carlen; Proth
n = 88090 26520 digits Oct 1998 John Renze; Proth
n = 113022 34025 digits Oct 1998 John Renze; Proth
n = 406814 122465 digits Jan 2003 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 501238 150890 digits Jul 2006 Carel Hendrik van der Westhuizen; Proth
n = 1103430 332168 digits Apr 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1646042 495510 digits Jul 2011 Marc Koschewski; PSieve; srsieve; PrimeGrid; LLR
n = 3837090 1155081 digits Sep 2019 Sean Matheis; PSieve; srsieve; PrimeGrid; LLR
n = 9187790 2765803 digits Sep 2022 Ryan Propper; LLR
k: 51
max n: 8.999.992
n = 1 3 digits
n = 3 3 digits
n = 7 4 digits
n = 9 5 digits
n = 13 6 digits
n = 17 7 digits
n = 25 10 digits
n = 43 15 digits
n = 53 18 digits
n = 83 27 digits
n = 89 29 digits
n = 92 30 digits
n = 119 38 digits
n = 175 55 digits
n = 187 59 digits
n = 257 80 digits
n = 263 81 digits
n = 267 83 digits
n = 321 99 digits
n = 333 102 digits
n = 695 211 digits
n = 825 251 digits
n = 1485 449 digits
n = 1917 579 digits
n = 2660 803 digits
n = 2967 895 digits
n = 3447 1040 digits 1983 Wilfrid Keller
n = 3659 1104 digits 1983 Wilfrid Keller
n = 4121 1243 digits 1984 Hiromi Suyama
n = 5225 1575 digits 1984 Hiromi Suyama
n = 7377 2223 digits 1989 Wilfrid Keller
n = 8543 2574 digits 1989 Wilfrid Keller
n = 9584 2887 digits 1989 Wilfrid Keller
n = 10707 3225 digits 1991 Wilfrid Keller
n = 18032 5430 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 18465 5561 digits Oct 1996 Patrick Demichel
n = 20733 6243 digits Aug 1995 Jeffrey Young
n = 20807 6266 digits Aug 1995 Jeffrey Young
n = 26703 8041 digits Aug 1995 Jeffrey Young
n = 45541 13711 digits Aug 1995 Jeffrey Young
n = 59217 17828 digits May 1997 Patrick Demichel
n = 68956 20760 digits Sep 1998 Alexis Nunes; Proth
n = 73571 22149 digits Sep 1998 Peter JH Dodson; Proth
n = 103664 31208 digits Nov 1998 Rachel Lewis; Proth
n = 140504 42298 digits Aug 2000 Nestor Sergio de Araujo Melo; Proth
n = 142327 42847 digits Aug 2000 Nestor Sergio de Araujo Melo; Proth
n = 156443 47096 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 195353 58809 digits Oct 2001 Peter JH Dodson; Proth
n = 282719 85109 digits Nov 2002 Kevin Odermatt; Proth
n = 301244 90686 digits Apr 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 367413 110605 digits Sep 2006 Joseph Bohanon; LLR; OpenPFGW
n = 415055 124946 digits Sep 2006 Jay Berg; Proth
n = 437036 131563 digits Oct 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 490673 147709 digits Oct 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1358372 408913 digits Nov 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1859193 559675 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2578652 776254 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 2881227 867338 digits May 2013 Seiya Tsuji; PSieve; srsieve; PrimeGrid; LLR
n = 3308171 995861 digits Nov 2015 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
n = 3490971 1050889 digits Mar 2014 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 4923905 1482245 digits Jul 2023 Ryan Propper; LLR
n = 6753404 2032979 digits May 2020 Ryan Propper; LLR
n = 6945567 2090826 digits May 2020 Ryan Propper; LLR
k: 53
max n: 8.999.837
n = 1 3 digits
n = 5 4 digits
n = 17 7 digits
n = 21 9 digits
n = 61 21 digits
n = 85 28 digits
n = 93 30 digits
n = 105 34 digits
n = 133 42 digits
n = 485 148 digits
n = 857 260 digits
n = 1665 503 digits
n = 2133 644 digits
n = 2765 835 digits
n = 5621 1694 digits 1984 Hiromi Suyama
n = 9025 2719 digits 1989 Wilfrid Keller
n = 12241 3687 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 165541 49835 digits Apr 2001 Greg Childers; Proth
n = 181033 54499 digits Nov 2001 Peter JH Dodson; Proth
n = 205301 61804 digits Oct 2002 Tadashi Taura; Proth
n = 341301 102744 digits Jul 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 482377 145212 digits Nov 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 816013 245647 digits Nov 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 1066381 321015 digits Apr 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1541133 463929 digits Jul 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 3709297 1116612 digits Aug 2022 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4197093 1263453 digits Jul 2023 David Åkesson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5019181 1510926 digits Jul 2023 Ryan Propper; LLR
k: 55
max n: 8.999.992
n = 4 3 digits
n = 8 5 digits
n = 16 7 digits
n = 22 9 digits
n = 32 12 digits
n = 94 31 digits
n = 220 68 digits
n = 244 76 digits
n = 262 81 digits
n = 286 88 digits
n = 344 106 digits
n = 356 109 digits
n = 392 120 digits
n = 1996 603 digits
n = 2744 828 digits
n = 5158 1555 digits 1986 Wilfrid Keller
n = 6964 2099 digits 1986 Wilfrid Keller
n = 13484 4061 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 15164 4567 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 197350 59411 digits Dec 2001 Peter JH Dodson; Proth
n = 300632 90501 digits Mar 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 309560 93189 digits Jan 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 363892 109545 digits Sep 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 673708 202809 digits Jun 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 1177924 354593 digits Jul 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1308148 393794 digits Mar 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1669798 502662 digits Aug 2011 Mikhail Karevik; PSieve; srsieve; PrimeGrid; LLR
n = 5982526 1800922 digits Feb 2025 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6395254 1925166 digits Aug 2023 Ryan Propper; srsieve; PRST
k: 57
max n: 8.999.958
n = 2 3 digits
n = 3 3 digits
n = 7 4 digits
n = 8 5 digits
n = 10 5 digits
n = 16 7 digits
n = 18 8 digits
n = 19 8 digits
n = 40 14 digits
n = 48 17 digits
n = 55 19 digits
n = 90 29 digits
n = 96 31 digits
n = 98 32 digits
n = 190 59 digits
n = 398 122 digits
n = 456 140 digits
n = 502 153 digits
n = 719 219 digits
n = 1312 397 digits
n = 1399 423 digits
n = 1828 553 digits
n = 6723 2026 digits 1986 Wilfrid Keller
n = 6816 2054 digits 1986 Wilfrid Keller
n = 10680 3217 digits 1991 Wilfrid Keller
n = 12592 3793 digits Mar 1993 Jeffrey Young
n = 20742 6246 digits Aug 1995 Jeffrey Young
n = 25010 7531 digits Oct 1993 Jeffrey Young
n = 26838 8081 digits Aug 1995 Jeffrey Young
n = 29623 8920 digits Aug 1995 Jeffrey Young
n = 45435 13680 digits Aug 1995 Jeffrey Young
n = 52783 15892 digits Mar 1997 Patrick Demichel
n = 70950 21360 digits Mar 1998 Ray Ballinger; Proth
n = 89691 27002 digits Apr 1999 Peter JH Dodson; Proth
n = 111691 33625 digits Oct 1999 Rachel Lewis; Proth
n = 114400 34440 digits Feb 1998 Jeffrey Young
n = 136152 40988 digits Jan 2000 Rachel Lewis; Proth
n = 145183 43707 digits Feb 2000 Rachel Lewis; Proth
n = 146223 44020 digits Feb 2000 Rachel Lewis; Proth
n = 177459 53423 digits Nov 2001 Yary Hluchan; Proth
n = 212908 64094 digits May 2002 Yary Hluchan; Proth
n = 300910 90585 digits Mar 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 342151 103000 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 360447 108508 digits Sep 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 382156 115043 digits Jan 2008 Payam Samidoost; FermFact; LLR; OpenPFGW
n = 411635 123917 digits Sep 2007 Payam Samidoost; FermFact; LLR; OpenPFGW
n = 442948 133343 digits Sep 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 519862 156496 digits Nov 2007 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 519892 156505 digits Nov 2007 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 975036 293517 digits Mar 2009 Steven Harvey; srsieve; PrimeGrid; LLR; OpenPFGW
n = 1158942 348879 digits May 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1181438 355651 digits Jun 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1756702 528822 digits Aug 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2033643 612190 digits Mar 2013 Serge Batalov; srsieve; LLR
n = 2492031 750178 digits Apr 2013 Choi Yooil; PSieve; srsieve; PrimeGrid; LLR
n = 2747499 827082 digits May 2013 Marshall Bishop; PSieve; srsieve; PrimeGrid; OpenPFGW; LLR
n = 2765963 832640 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 5759943 1733918 digits Jan 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5785428 1741590 digits Jan 2025 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6857990 2064463 digits Aug 2023 Ryan Propper; srsieve; PRST
k: 59
max n: 8.499.971
n = 5 4 digits
n = 11 6 digits
n = 27 10 digits
n = 35 13 digits
n = 291 90 digits
n = 1085 329 digits
n = 2685 811 digits
n = 9195 2770 digits 1989 Wilfrid Keller
n = 15995 4817 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 22455 6762 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 29115 8767 digits Aug 1995 Jeffrey Young
n = 34437 10369 digits Aug 1995 Jeffrey Young
n = 54759 16486 digits May 1997 Patrick Demichel
n = 93939 28281 digits Oct 1998 John Renze; Proth
n = 167907 50547 digits
n = 232607 70024 digits Jan 2004 Tadashi Taura; Proth
n = 308771 92952 digits Jan 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 423197 127397 digits Sep 2007 Payam Samidoost; FermFact; LLR; OpenPFGW
n = 608687 183235 digits Jun 2008 Steven Harvey; FermFact; OpenPFGW
n = 727815 219096 digits Oct 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 1170231 352277 digits Oct 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 7792307 2345720 digits Apr 2024 Ryan Propper; srsieve; PRST
k: 61
max n: 8.499.868
n = 4 3 digits
n = 12 6 digits
n = 48 17 digits
n = 88 29 digits
n = 168 53 digits
n = 3328 1004 digits 1983 Wilfrid Keller
n = 172428 51908 digits Jan 2002 Peter JH Dodson; Proth
n = 285652 85992 digits Sep 2004 Mark Brittenham; Proth
n = 4749928 1429873 digits Feb 2024 Nick Merrylees; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 63
max n: 8.499.981
n = 1 3 digits
n = 4 4 digits
n = 5 4 digits
n = 9 5 digits
n = 10 5 digits
n = 14 7 digits
n = 17 7 digits
n = 18 8 digits
n = 21 9 digits
n = 25 10 digits
n = 37 13 digits
n = 38 14 digits
n = 44 16 digits
n = 60 20 digits
n = 65 22 digits
n = 94 31 digits
n = 133 42 digits
n = 153 48 digits
n = 228 71 digits
n = 280 87 digits
n = 314 97 digits
n = 326 100 digits
n = 334 103 digits
n = 340 105 digits
n = 410 126 digits
n = 429 131 digits
n = 626 191 digits
n = 693 211 digits
n = 741 225 digits
n = 768 233 digits
n = 1150 348 digits
n = 1290 391 digits
n = 1441 436 digits
n = 2424 732 digits
n = 2478 748 digits
n = 3024 913 digits
n = 3293 994 digits
n = 4956 1494 digits 1984 Hiromi Suyama
n = 5221 1574 digits 1984 Hiromi Suyama
n = 6416 1934 digits 1986 Wilfrid Keller
n = 8480 2555 digits May 1996 Patrick Demichel
n = 20746 6247 digits Aug 1995 Jeffrey Young
n = 24633 7418 digits Aug 1995 Jeffrey Young
n = 30053 9049 digits Aug 1995 Jeffrey Young
n = 34074 10260 digits Aug 1995 Jeffrey Young
n = 88366 26603 digits Aug 1998 Tadashi Taura; Proth
n = 121917 36703 digits Jan 1999 Tadashi Taura; Proth
n = 125218 37697 digits Jan 1999 Tadashi Taura; Proth
n = 130221 39203 digits Mar 1999 Tadashi Taura; Proth
n = 131325 39535 digits Mar 1999 Tadashi Taura; Proth
n = 141497 42597 digits May 1999 Tadashi Taura; Proth
n = 151269 45539 digits Jul 1999 Tadashi Taura; Proth
n = 222861 67090 digits Apr 2001 Tadashi Taura; Proth
n = 263413 79298 digits Jan 2002 Tadashi Taura; Proth
n = 270094 81309 digits Feb 2002 Tadashi Taura; Proth
n = 425028 127948 digits Sep 2007 Payam Samidoost; FermFact; LLR; OpenPFGW
n = 448833 135114 digits Oct 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 521925 157117 digits Nov 2007 Steven Harvey; FermFact; OpenPFGW
n = 775857 233559 digits Nov 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 892164 268570 digits Feb 2009 Steven Harvey; srsieve; PrimeGrid; LLR; OpenPFGW
n = 898308 270420 digits Mar 2009 Steven Harvey; srsieve; PrimeGrid; LLR; OpenPFGW
n = 1070449 322240 digits Jun 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1356980 408494 digits Jun 2011 Chris Siegert; LLR
n = 1530888 460846 digits Jul 2011 Quasar Liao; PSieve; srsieve; PrimeGrid; LLR
n = 1625970 489468 digits Jul 2011 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 1686050 507554 digits Aug 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1784498 537190 digits Aug 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 2807130 845033 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 2898957 872675 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 7743186 2330934 digits Apr 2024 Ryan Propper; srsieve; PRST
n = 8741225 2631373 digits May 2024 Ryan Propper; srsieve; PRST
k: 65
max n: 8.499.977
n = 1 3 digits
n = 3 3 digits
n = 5 4 digits
n = 11 6 digits
n = 17 7 digits
n = 21 9 digits
n = 29 11 digits
n = 47 16 digits
n = 85 28 digits
n = 93 30 digits
n = 129 41 digits
n = 151 48 digits
n = 205 64 digits
n = 239 74 digits
n = 257 80 digits
n = 271 84 digits
n = 307 95 digits
n = 351 108 digits
n = 397 122 digits
n = 479 147 digits
n = 553 169 digits
n = 1317 399 digits
n = 1631 493 digits
n = 1737 525 digits
n = 1859 562 digits
n = 1917 579 digits
n = 1999 604 digits
n = 2353 711 digits
n = 3477 1049 digits 1983 Wilfrid Keller
n = 4331 1306 digits 1984 Hiromi Suyama
n = 4337 1308 digits 1984 Hiromi Suyama
n = 5809 1751 digits 1988 Wilfrid Keller
n = 8707 2623 digits May 1996 Patrick Demichel
n = 9649 2907 digits
n = 10421 3139 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11117 3349 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17425 5248 digits 1993 Harvey Dubner; Dubner Cruncher
n = 18343 5524 digits 1993 Harvey Dubner; Dubner Cruncher
n = 20791 6261 digits Oct 1996 Patrick Demichel
n = 21035 6334 digits Oct 1996 Patrick Demichel
n = 28331 8531 digits 1996 Patrick Demichel
n = 34249 10312 digits Mar 1997 Patrick Demichel
n = 45029 13557 digits Mar 1997 Patrick Demichel
n = 73237 22049 digits Jul 1998 Tadashi Taura; Proth
n = 84839 25541 digits Jul 1998 Tadashi Taura; Proth
n = 106515 32067 digits Oct 1998 Tadashi Taura; Proth
n = 118051 35539 digits Dec 1998 Tadashi Taura; Proth
n = 129925 39114 digits Mar 1999 Tadashi Taura; Proth
n = 147297 44343 digits Jun 1999 Tadashi Taura; Proth
n = 168109 50608 digits Nov 1999 Tadashi Taura; Proth
n = 171197 51538 digits Nov 1999 Tadashi Taura; Proth
n = 191249 57574 digits Apr 2000 Tadashi Taura; Proth
n = 192411 57924 digits Apr 2000 Tadashi Taura; Proth
n = 199745 60132 digits Jun 2000 Tadashi Taura; Proth
n = 221959 66819 digits Apr 2001 Tadashi Taura; Proth
n = 266237 80148 digits Jan 2002 Tadashi Taura; Proth
n = 282695 85102 digits Jun 2002 Tadashi Taura; Proth
n = 343135 103296 digits Jan 2006 Joseph Bohanon; LLR; Proth
n = 354875 106830 digits Dec 2005 Joseph Bohanon; LLR; Proth
n = 453455 136506 digits Dec 2005 Joseph Bohanon; LLR; Proth
n = 744095 223997 digits Mar 2006 Joseph Bohanon; LLR; OpenPFGW
n = 877287 264092 digits Apr 2006 Joseph Bohanon; LLR; OpenPFGW
n = 1175747 353937 digits Jul 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1752885 527673 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1764687 531226 digits Aug 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 2073229 624106 digits Mar 2013 Ross Goudie; PSieve; srsieve; PrimeGrid; LLR
n = 2250637 677512 digits Apr 2013 Evan Ziemann; PSieve; srsieve; PrimeGrid; LLR
n = 3270127 984409 digits Nov 2015 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
n = 3369359 1014280 digits Jan 2021 Kellen Shenton; LLR2; PSieve; srsieve; Private GFN server; PrimeGrid; LLR
n = 5671355 1707250 digits Dec 2024 Wes Hewitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6810465 2050157 digits Sep 2023 Ryan Propper; srsieve; PRST
k: 67
max n: 8.499.950
n = 2 3 digits
n = 6 4 digits
n = 14 7 digits
n = 20 8 digits
n = 44 16 digits
n = 66 22 digits
n = 74 25 digits
n = 102 33 digits
n = 134 43 digits
n = 214 67 digits
n = 236 73 digits
n = 238 74 digits
n = 342 105 digits
n = 354 109 digits
n = 382 117 digits
n = 454 139 digits
n = 470 144 digits
n = 598 182 digits
n = 726 221 digits
n = 870 264 digits
n = 1148 348 digits
n = 1366 414 digits
n = 1692 512 digits
n = 1782 539 digits
n = 1870 565 digits
n = 3602 1087 digits 1983 Wilfrid Keller
n = 6574 1981 digits 1988 Wilfrid Keller
n = 9362 2821 digits
n = 12366 3725 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 20774 6256 digits Oct 1996 Patrick Demichel
n = 24500 7378 digits 1996 Patrick Demichel
n = 29266 8812 digits 1996 Patrick Demichel
n = 32650 9831 digits Mar 1997 Patrick Demichel
n = 51942 15638 digits May 1998 Aaron Swihart; Proth
n = 101742 30630 digits May 1998 Alexis Nunes; Proth
n = 103572 31181 digits May 1998 Alexis Nunes; Proth
n = 305166 91866 digits Jan 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 339116 102086 digits Oct 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 466532 140442 digits Nov 2007 Payam Samidoost; FermFact; LLR; OpenPFGW
n = 469596 141365 digits Oct 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 576558 173564 digits Mar 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 684258 205985 digits Jan 2008 Carel Hendrik van der Westhuizen; Proth
n = 752396 226496 digits Nov 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 773566 232869 digits Nov 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 1573454 473659 digits Jul 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 2148060 646633 digits Mar 2013 Henryk Jeka; PSieve; srsieve; PrimeGrid; LLR
n = 3161450 951694 digits Oct 2015 Nikolay Yurgandzhiev; PSieve; srsieve; PrimeGrid; LLR
n = 4100746 1234450 digits May 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4561350 1373105 digits Feb 2024 Michael Becker; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6018626 1811789 digits Aug 2023 Ryan Propper; LLR
k: 69
max n: 8.499.983
n = 1 3 digits
n = 2 3 digits
n = 10 5 digits
n = 14 7 digits
n = 19 8 digits
n = 26 10 digits
n = 50 17 digits
n = 55 19 digits
n = 145 46 digits
n = 515 157 digits
n = 842 256 digits
n = 1450 439 digits
n = 2159 652 digits
n = 2290 692 digits
n = 2306 697 digits
n = 2335 705 digits
n = 3379 1020 digits 1983 Wilfrid Keller
n = 4025 1214 digits 1983 Hiromi Suyama
n = 4825 1455 digits 1984 Hiromi Suyama
n = 7850 2365 digits 1988 Wilfrid Keller
n = 9194 2770 digits
n = 10409 3136 digits 1993 Jeffrey Young
n = 18743 5645 digits 1993 Harvey Dubner; Dubner Cruncher
n = 20993 6322 digits May 1993 Jeffrey Young
n = 34433 10368 digits Mar 1997 Patrick Demichel
n = 40691 12252 digits Mar 1997 Patrick Demichel
n = 69119 20809 digits Jul 1998 Wilfrid Keller; Proth
n = 172349 51885 digits Mar 2002 Hans Overmann; Proth
n = 211226 63588 digits Jun 2002 Hans Overmann; Proth
n = 353818 106512 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 367583 110656 digits Jan 2008 Payam Samidoost; FermFact; LLR; OpenPFGW
n = 394574 118781 digits Jan 2008 Payam Samidoost; FermFact; LLR; OpenPFGW
n = 503641 151613 digits Oct 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 617993 186037 digits Jul 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 631121 189989 digits Jul 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 724802 218189 digits Oct 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 1206353 363151 digits May 2010 Yuriy A. Choliy; Proth
n = 1316758 396386 digits Jun 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1595083 480170 digits Jul 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1628378 490193 digits Jul 2011 Simon Geis; PSieve; srsieve; PrimeGrid; LLR
n = 1816739 546895 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 3920863 1180300 digits Feb 2023 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4151165 1249628 digits Mar 2023 Ryan Propper; LLR
n = 6186659 1862372 digits Mar 2023 Ryan Propper; LLR
n = 6745775 2030683 digits Mar 2023 Ryan Propper; LLR
n = 7452023 2243285 digits Mar 2023 Ryan Propper; LLR
k: 71
max n: 7.999.949
n = 3 3 digits
n = 5 4 digits
n = 9 5 digits
n = 19 8 digits
n = 23 9 digits
n = 27 10 digits
n = 57 20 digits
n = 59 20 digits
n = 65 22 digits
n = 119 38 digits
n = 299 92 digits
n = 417 128 digits
n = 705 215 digits
n = 2255 681 digits
n = 4017 1212 digits 1983 Hiromi Suyama
n = 5193 1566 digits 1984 Hiromi Suyama
n = 5565 1678 digits 1988 Wilfrid Keller
n = 8055 2427 digits May 1996 Patrick Demichel
n = 17659 5318 digits 1993 Harvey Dubner; Dubner Cruncher
n = 18039 5433 digits 1993 Harvey Dubner; Dubner Cruncher
n = 19819 5968 digits 1993 Harvey Dubner; Dubner Cruncher
n = 20507 6176 digits Oct 1996 Patrick Demichel
n = 21333 6424 digits Jun 2001 Yves Gallot; Proth
n = 23289 7013 digits May 1997 Carlos B. Rivera F.
n = 103155 31055 digits May 1999 Wilfrid Keller; Ingo Buechel; Proth
n = 115913 34896 digits Jun 1999 Wilfrid Keller; Ingo Buechel; Proth
n = 145423 43779 digits Nov 1999 Wilfrid Keller; Ingo Buechel; Proth
n = 148419 44681 digits Dec 1999 Wilfrid Keller; Ingo Buechel; Proth
n = 204807 61655 digits Oct 2002 Tadashi Taura; Proth
n = 228879 68902 digits Jan 2004 Tadashi Taura; Proth
n = 237243 71420 digits Jan 2004 Tadashi Taura; Proth
n = 512745 154354 digits Nov 2007 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 515885 155299 digits Nov 2007 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 829245 249630 digits Dec 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 1755965 528600 digits Aug 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1873569 564003 digits Sep 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 2051313 617509 digits Mar 2013 Ross Goudie; PSieve; srsieve; PrimeGrid; LLR
n = 6070943 1827538 digits Aug 2023 Ryan Propper; LLR
k: 73
max n: 7.999.962
n = 2 3 digits
n = 6 4 digits
n = 14 7 digits
n = 24 10 digits
n = 30 11 digits
n = 32 12 digits
n = 42 15 digits
n = 44 16 digits
n = 60 20 digits
n = 110 35 digits
n = 212 66 digits
n = 230 72 digits
n = 1892 572 digits
n = 1974 597 digits
n = 2210 668 digits
n = 3596 1085 digits 1983 Wilfrid Keller
n = 4842 1460 digits 1984 Hiromi Suyama
n = 6282 1893 digits 1988 Wilfrid Keller
n = 7184 2165 digits 1989 Wilfrid Keller
n = 7304 2201 digits 1989 Wilfrid Keller
n = 10614 3197 digits 1993 Harvey Dubner; Dubner Cruncher
n = 20460 6161 digits Oct 1996 Patrick Demichel
n = 30830 9283 digits Mar 1997 Patrick Demichel
n = 31970 9626 digits Mar 1997 Patrick Demichel
n = 36156 10886 digits Mar 1997 Patrick Demichel
n = 65826 19818 digits May 1998 Tadashi Taura
n = 82926 24966 digits Jun 1998 Tadashi Taura; Proth
n = 91496 27545 digits Jun 1998 Tadashi Taura; Proth
n = 171854 51736 digits Nov 1998 Tadashi Taura; Proth
n = 227334 68437 digits Apr 1999 Tadashi Taura; Proth
n = 1370742 412637 digits Dec 2009 Tadashi Taura; NewPGen; PRP; Proth
n = 1834526 552250 digits Sep 2011 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 2048754 616739 digits Mar 2013 Serge Batalov; srsieve; LLR
n = 2071592 623614 digits Mar 2013 Ross Goudie; PSieve; srsieve; PrimeGrid; LLR
n = 2075936 624921 digits Mar 2013 Bryan Ferrell; PSieve; srsieve; PrimeGrid; LLR
n = 4016912 1209213 digits Apr 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 75
max n: 7.999.983
n = 1 3 digits
n = 3 3 digits
n = 4 4 digits
n = 6 4 digits
n = 7 4 digits
n = 10 5 digits
n = 12 6 digits
n = 34 13 digits
n = 43 15 digits
n = 51 18 digits
n = 57 20 digits
n = 60 20 digits
n = 63 21 digits
n = 67 23 digits
n = 87 29 digits
n = 102 33 digits
n = 163 51 digits
n = 222 69 digits
n = 247 77 digits
n = 312 96 digits
n = 397 122 digits
n = 430 132 digits
n = 675 206 digits
n = 831 253 digits
n = 984 299 digits
n = 1018 309 digits
n = 1054 320 digits
n = 1615 489 digits
n = 2017 610 digits
n = 2157 652 digits
n = 4705 1419 digits 1984 Hiromi Suyama
n = 4923 1484 digits 1984 Hiromi Suyama
n = 5473 1650 digits 1988 Wilfrid Keller
n = 5682 1713 digits 1988 Wilfrid Keller
n = 9063 2731 digits
n = 9118 2747 digits
n = 9657 2909 digits
n = 12250 3690 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 14895 4486 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 14901 4488 digits May 1993 Jeffrey Young
n = 19794 5961 digits 1993 Harvey Dubner; Dubner Cruncher
n = 22750 6851 digits 1996 Patrick Demichel
n = 25350 7633 digits 1996 Patrick Demichel
n = 36015 10844 digits Mar 1997 Patrick Demichel
n = 104082 31334 digits Feb 1998 Jeffrey Young
n = 146163 44002 digits
n = 223698 67342 digits Oct 2002 Tadashi Taura; Proth
n = 361614 108859 digits Jul 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 705688 212436 digits Nov 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 920734 277171 digits Feb 2009 Steven Harvey; srsieve; PrimeGrid; LLR; OpenPFGW
n = 995208 299590 digits Apr 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1154616 347576 digits Mar 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 2446050 736337 digits Apr 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3012342 906808 digits Sep 2015 Woohyung Lee; PSieve; srsieve; PrimeGrid; LLR
n = 3086355 929088 digits Sep 2015 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 4940218 1487156 digits Apr 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 7886683 2374131 digits Sep 2023 Ryan Propper; srsieve; PRST
n = 9079482 2733199 digits Jul 2023 Ryan Propper; LLR
k: 77
max n: 7.999.967
n = 3 3 digits
n = 7 4 digits
n = 19 8 digits
n = 23 9 digits
n = 95 31 digits
n = 287 89 digits
n = 483 148 digits
n = 559 171 digits
n = 655 200 digits
n = 667 203 digits
n = 1639 496 digits
n = 9399 2832 digits
n = 39639 11935 digits Mar 1997 Patrick Demichel
n = 63883 19233 digits Jul 1998 Ray Ballinger; Proth
n = 71575 21549 digits Nov 1998 John Renze; Proth
n = 164319 49467 digits Sep 2000 Gennady N. Gusev; Proth
n = 401947 121000 digits Dec 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 614995 185134 digits Aug 2005 Predrag Minovic; 'K' sieves; NewPGen; LLR
n = 2762047 831461 digits Jun 2013 Heinz Durstewitz; PSieve; srsieve; PrimeGrid; LLR
n = 5422903 1632459 digits Jul 2024 Ryan Propper; srsieve; PRST
k: 79
max n: 7.999.802
n = 2 3 digits
n = 10 5 digits
n = 46 16 digits
n = 206 64 digits
n = 538 164 digits
n = 970 294 digits
n = 1330 403 digits
n = 1766 534 digits
n = 2162 653 digits
n = 20666 6223 digits Oct 1996 Patrick Demichel
n = 73246 22052 digits Apr 1998 Wilfrid Keller; Proth
n = 121822 36674 digits Sep 1999 Greg Hewgill; Proth
n = 134002 40341 digits Jan 2000 Fumitaka Yura; Proth
n = 314926 94805 digits Sep 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 537238 161727 digits Feb 2006 Joseph Bohanon; LLR; OpenPFGW
n = 812726 244657 digits Mar 2006 Joseph Bohanon; LLR; OpenPFGW
n = 1592422 479369 digits Jul 2011 Krzysztof Ostaszewski; PSieve; srsieve; PrimeGrid; LLR
n = 2078162 625591 digits Apr 2013 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 3957238 1191250 digits Mar 2023 Jean-Loup Saladin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4062818 1223032 digits May 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4279006 1288112 digits Jul 2023 Ryan Propper; LLR
k: 81
max n: 7.999.968
n = 1 3 digits
n = 4 4 digits
n = 5 4 digits
n = 7 5 digits
n = 12 6 digits
n = 15 7 digits
n = 16 7 digits
n = 21 9 digits
n = 25 10 digits
n = 27 11 digits
n = 32 12 digits
n = 35 13 digits
n = 36 13 digits
n = 39 14 digits
n = 48 17 digits
n = 89 29 digits
n = 104 34 digits
n = 121 39 digits
n = 125 40 digits
n = 148 47 digits
n = 152 48 digits
n = 267 83 digits
n = 271 84 digits
n = 277 86 digits
n = 296 92 digits
n = 324 100 digits
n = 344 106 digits
n = 396 122 digits
n = 421 129 digits
n = 436 134 digits
n = 447 137 digits
n = 539 165 digits
n = 577 176 digits
n = 592 181 digits
n = 711 216 digits
n = 809 246 digits
n = 852 259 digits
n = 1384 419 digits
n = 1972 596 digits
n = 2624 792 digits
n = 2829 854 digits
n = 3497 1055 digits 1983 Wilfrid Keller
n = 3945 1190 digits
n = 3995 1205 digits 1983 Wilfrid Keller
n = 4911 1481 digits 1984 Hiromi Suyama
n = 5225 1575 digits 1989 Wilfrid Keller
n = 5676 1711 digits 1989 Wilfrid Keller
n = 5811 1752 digits 1989 Wilfrid Keller
n = 7025 2117 digits 1989 Wilfrid Keller
n = 7671 2312 digits 1989 Wilfrid Keller
n = 8512 2565 digits May 1996 Patrick Demichel
n = 10399 3133 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11247 3388 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12189 3672 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12795 3854 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 14004 4218 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 28244 8505 digits 1996 Patrick Demichel
n = 28285 8517 digits Aug 1996 Tadashi Taura
n = 30641 9226 digits Mar 1997 Patrick Demichel
n = 35229 10607 digits Mar 1997 Patrick Demichel
n = 37169 11191 digits Mar 1997 Patrick Demichel
n = 39804 11985 digits Mar 1997 Patrick Demichel
n = 89395 26913 digits May 1998 Ray Ballinger; Proth
n = 108348 32618 digits Jul 1998 Ray Ballinger; Proth
n = 113776 34252 digits
n = 138239 41616 digits Nov 1998 Ray Ballinger; Proth
n = 185745 55917 digits Apr 1999 Ray Ballinger; Proth
n = 190064 57217 digits May 2001 Nestor Sergio de Araujo Melo; Proth
n = 202471 60952 digits Oct 2001 Tadashi Taura; Proth
n = 214096 64452 digits Oct 2001 Tadashi Taura; Proth
n = 316468 95269 digits Sep 2002 Tadashi Taura; Proth
n = 420632 126625 digits Aug 2006 Tadashi Taura; Proth
n = 471397 141907 digits Oct 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 551155 165917 digits Nov 2006 Tadashi Taura; Proth
n = 877707 264219 digits Jan 2007 Tadashi Taura; Proth
n = 889981 267913 digits Feb 2007 Tadashi Taura; Proth
n = 998065 300450 digits Jan 2007 Tadashi Taura; Proth
n = 1254155 377541 digits May 2007 Tadashi Taura; Proth
n = 1544545 464957 digits Jul 2007 Tadashi Taura; Proth
n = 1606848 483712 digits Mar 2007 Tadashi Taura; Proth
n = 1643428 494724 digits Mar 2009 Tadashi Taura; NewPGen; PRP; Proth
n = 2468789 743182 digits Sep 2009 Tadashi Taura; NewPGen; PRP; Proth
n = 3352924 1009333 digits Jan 2012 Michał Gasewicz; PSieve; srsieve; PrimeGrid; LLR
n = 4131975 1243851 digits Aug 2022 Ryan Propper; LLR
n = 5100331 1535355 digits Aug 2022 Ryan Propper; LLR
n = 5115131 1539810 digits Aug 2022 Ryan Propper; LLR
n = 5600028 1685779 digits Aug 2022 Ryan Propper; LLR
n = 8109236 2441126 digits Sep 2022 Ryan Propper; LLR
n = 11616017 3496772 digits Aug 2022 Ryan Propper; LLR
n = 12804541 3854553 digits Sep 2022 Ryan Propper; LLR
n = 13470584 4055052 digits Oct 2022 Ryan Propper; LLR
n = 13708272 4126603 digits Oct 2022 Ryan Propper; LLR
n = 20498148 6170560 digits Jun 2023 Ryan Propper; LLR
k: 83
max n: 7.999.993
n = 1 3 digits
n = 5 4 digits
n = 157 50 digits
n = 181 57 digits
n = 233 73 digits
n = 373 115 digits
n = 2425 732 digits
n = 2773 837 digits
n = 3253 982 digits
n = 4129 1245 digits 1984 Hiromi Suyama
n = 10105 3044 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12577 3788 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 14981 4512 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 16069 4840 digits 1993 Harvey Dubner; Dubner Cruncher
n = 27425 8258 digits 1996 Patrick Demichel
n = 31201 9395 digits Mar 1997 Patrick Demichel
n = 31957 9622 digits Mar 1997 Patrick Demichel
n = 32749 9861 digits Mar 1997 Patrick Demichel
n = 45473 13691 digits Mar 1997 Patrick Demichel
n = 59401 17884 digits Jun 1998 Wilfrid Keller; Proth
n = 156413 47087 digits Mar 2001 Peter JH Dodson; Proth
n = 445205 134022 digits May 2006 Joseph Bohanon; LLR; OpenPFGW
n = 1154617 347577 digits Mar 2010 Pavlos Saridis; NewPGen; Proth; LLR
n = 2342345 705119 digits Apr 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 2537641 763908 digits Jun 2013 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 4479409 1348439 digits Jan 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 85
max n: 7.499.978
n = 4 4 digits
n = 6 4 digits
n = 10 5 digits
n = 30 11 digits
n = 34 13 digits
n = 36 13 digits
n = 38 14 digits
n = 74 25 digits
n = 88 29 digits
n = 94 31 digits
n = 148 47 digits
n = 200 63 digits
n = 624 190 digits
n = 1300 394 digits
n = 2458 742 digits
n = 2556 772 digits
n = 3638 1098 digits 1983 Wilfrid Keller
n = 3834 1157 digits 1983 Wilfrid Keller
n = 8956 2698 digits
n = 15058 4535 digits 1993 Harvey Dubner; Dubner Cruncher
n = 15818 4764 digits 1993 Harvey Dubner; Dubner Cruncher
n = 25954 7815 digits 1996 Patrick Demichel
n = 187576 56468 digits Mar 2002 Peter JH Dodson; Proth
n = 382836 115248 digits Dec 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 466658 140480 digits Apr 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 818760 246474 digits Nov 2005 Peter Grobstich; NewPGen; PRP; Proth
n = 876458 263843 digits Jan 2006 Peter Grobstich; NewPGen; PRP; Proth
n = 892568 268692 digits Feb 2006 Peter Grobstich; NewPGen; PRP; Proth
n = 1072368 322817 digits Oct 2006 Peter Grobstich; NewPGen; PRP; Proth
n = 1910520 575126 digits Sep 2011 Ron Armstrong; PSieve; srsieve; PrimeGrid; LLR
n = 3797698 1143223 digits Oct 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4432870 1334429 digits Jul 2023 Ryan Propper; LLR
n = 7333444 2207589 digits Sep 2023 Ryan Propper; srsieve; PRST
k: 87
max n: 7.499.991
n = 2 3 digits
n = 6 4 digits
n = 8 5 digits
n = 18 8 digits
n = 26 10 digits
n = 56 19 digits
n = 78 26 digits
n = 86 28 digits
n = 104 34 digits
n = 134 43 digits
n = 207 65 digits
n = 518 158 digits
n = 602 184 digits
n = 1268 384 digits
n = 1302 394 digits
n = 2324 702 digits
n = 2372 716 digits
n = 4574 1379 digits 1984 Hiromi Suyama
n = 5652 1704 digits 1989 Wilfrid Keller
n = 5966 1798 digits 1989 Wilfrid Keller
n = 6146 1853 digits 1989 Wilfrid Keller
n = 6378 1922 digits 1989 Wilfrid Keller
n = 7502 2261 digits 1989 Wilfrid Keller
n = 7682 2315 digits 1989 Wilfrid Keller
n = 7895 2379 digits 1989 Wilfrid Keller
n = 9198 2771 digits
n = 9344 2815 digits
n = 11106 3346 digits 1993 Jeffrey Young
n = 11504 3465 digits May 1993 Jeffrey Young
n = 12096 3644 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 19904 5994 digits 1993 Harvey Dubner; Dubner Cruncher
n = 19932 6003 digits 1993 Harvey Dubner; Dubner Cruncher
n = 20816 6269 digits Oct 1996 Patrick Demichel
n = 43406 13069 digits Apr 1998 David Hanson; Proth
n = 57222 17228 digits Jul 1998 Stephen A. Wood; Proth
n = 61202 18426 digits Oct 1998 Harvey Dubner; Proth
n = 83766 25219 digits Apr 1999 Peter JH Dodson; Proth
n = 98978 29798 digits Feb 1998 Jeffrey Young
n = 121562 36596 digits Nov 1999 Rachel Lewis; Proth
n = 177078 53308 digits Mar 2002 Peter JH Dodson; Proth
n = 187454 56432 digits Mar 2002 Peter JH Dodson; Proth
n = 315486 94973 digits Sep 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 370746 111608 digits Sep 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 798432 240354 digits Dec 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 822164 247498 digits Dec 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 1580858 475888 digits Jul 2011 Quasar Liao; PSieve; srsieve; PrimeGrid; LLR
n = 1834098 552121 digits Aug 2011 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 1891391 569368 digits Sep 2011 John S. Burningham; PSieve; srsieve; PrimeGrid; LLR
n = 2609046 785404 digits Jun 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2630468 791852 digits Jun 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 3279368 987191 digits Nov 2015 Dongyan Jia; PSieve; srsieve; PrimeGrid; LLR
n = 3496188 1052460 digits Mar 2014 Gary Craig; PSieve; srsieve; PrimeGrid; LLR
n = 3686558 1109767 digits Jul 2022 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3806438 1145854 digits Oct 2022 Mischa Rodermond; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4297718 1293744 digits Jul 2023 Ryan Propper; LLR
n = 6293522 1894541 digits Aug 2023 Ryan Propper; srsieve; PRST
k: 89
max n: 7.499.961
n = 1 3 digits
n = 7 5 digits
n = 9 5 digits
n = 21 9 digits
n = 37 14 digits
n = 61 21 digits
n = 589 180 digits
n = 711 216 digits
n = 1537 465 digits
n = 1921 581 digits
n = 3217 971 digits
n = 4237 1278 digits 1984 Hiromi Suyama
n = 26721 8046 digits 1996 Patrick Demichel
n = 31297 9424 digits Mar 1997 Patrick Demichel
n = 58101 17493 digits Jun 1998 Wilfrid Keller; Proth
n = 155251 46738 digits Mar 2001 Peter JH Dodson; Proth
n = 225111 67768 digits Aug 2002 Keith P. Adney; NewPGen; PRP; Proth
n = 398359 119920 digits Jul 2006 Joseph Bohanon; LLR; Proth
n = 472099 142118 digits Oct 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 503479 151565 digits Jul 2006 Joseph Bohanon; LLR; OpenPFGW
n = 543049 163476 digits Jul 2006 Joseph Bohanon; LLR; OpenPFGW
n = 1272457 383050 digits Jul 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1338001 402781 digits Jul 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 1943337 585005 digits Aug 2011 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 5519481 1661532 digits Nov 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 91
max n: 7.499.908
n = 8 5 digits
n = 168 53 digits
n = 260 81 digits
n = 696 212 digits
n = 5028 1516 digits 1983 Wilfrid Keller
n = 5536 1669 digits 1983 Wilfrid Keller
n = 6668 2010 digits 1984 Hiromi Suyama
n = 13388 4033 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 14220 4283 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 52776 15890 digits Mar 1998 Robert L. Clark; Proth
n = 130140 39179 digits Apr 1999 Takahiro Nohara; Proth
n = 244520 73610 digits Jun 2002 Tadashi Taura; Proth
n = 255020 76771 digits Jun 2002 Tadashi Taura; Proth
n = 294708 88718 digits May 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 541128 162898 digits Mar 2006 Joseph Bohanon; LLR; OpenPFGW
n = 616072 185459 digits Mar 2006 Joseph Bohanon; LLR; OpenPFGW
n = 5435752 1636327 digits Oct 2024 Sascha Beat Dinkel; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5960816 1794387 digits Feb 2025 HyeongShin Kang; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 93
max n: 7.499.992
n = 2 3 digits
n = 4 4 digits
n = 6 4 digits
n = 10 5 digits
n = 12 6 digits
n = 30 11 digits
n = 42 15 digits
n = 44 16 digits
n = 52 18 digits
n = 70 24 digits
n = 76 25 digits
n = 108 35 digits
n = 122 39 digits
n = 164 52 digits
n = 170 54 digits
n = 226 71 digits
n = 298 92 digits
n = 398 122 digits
n = 686 209 digits
n = 1020 310 digits
n = 1110 337 digits
n = 1478 447 digits
n = 1646 498 digits
n = 2032 614 digits
n = 2066 624 digits
n = 2800 845 digits
n = 2816 850 digits
n = 8568 2582 digits May 1996 Patrick Demichel
n = 9678 2916 digits
n = 11108 3346 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16930 5099 digits May 1993 Jeffrey Young
n = 20917 6299 digits Oct 1996 Patrick Demichel
n = 24210 7290 digits Mar 1993 Jeffrey Young
n = 24994 7526 digits 1996 Patrick Demichel
n = 38288 11528 digits Mar 1997 Patrick Demichel
n = 61904 18637 digits Jul 1998 Harvey Dubner; Proth
n = 63016 18972 digits Jul 1998 Harvey Dubner; Proth
n = 67722 20389 digits Feb 1998 Jeffrey Young
n = 89310 26887 digits Jun 1999 Takahiro Nohara; Proth
n = 122056 36745 digits Jun 1999 Takahiro Nohara; Proth
n = 135908 40915 digits Jul 1999 Takahiro Nohara; Proth
n = 155174 46714 digits Jun 2000 David Underbakke; Proth
n = 191748 57724 digits Jun 2002 Tadashi Taura; Proth
n = 197778 59540 digits Jun 2002 Tadashi Taura; Proth
n = 272034 81893 digits Apr 2003 Kevin Odermatt; Proth
n = 273044 82197 digits Apr 2003 Kevin Odermatt; Proth
n = 360132 108413 digits Apr 2003 Kevin Odermatt; Proth
n = 399218 120179 digits Apr 2003 Kevin Odermatt; Proth
n = 586453 176542 digits Jul 2003 Kevin Odermatt; Proth
n = 642909 193537 digits Sep 2003 Kevin Odermatt; Proth
n = 977284 294194 digits May 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1087202 327283 digits Feb 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1112805 334990 digits Feb 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1299926 391319 digits Jun 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1408246 423927 digits Jul 2011 Anthony Storch; PSieve; srsieve; PrimeGrid; LLR
n = 1493877 449704 digits Jul 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1511692 455067 digits Jul 2011 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 1561686 470117 digits Jul 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1673893 503894 digits Jul 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1965880 591791 digits Aug 2011 Ben Rhodes; PSieve; srsieve; PrimeGrid; LLR
n = 2263894 681502 digits Mar 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 3544744 1067077 digits May 2014 Michał Gasewicz; PSieve; srsieve; PrimeGrid; LLR
n = 4232892 1274230 digits Jul 2023 Ryan Propper; LLR
n = 5323466 1602525 digits Sep 2024 Shawn Schafer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6750726 2032173 digits Sep 2023 Ryan Propper; srsieve; PRST
n = 7241494 2179909 digits Sep 2023 Ryan Propper; srsieve; PRST
n = 8898285 2678653 digits Mar 2024 Ryan Propper; srsieve; PRST
n = 9235048 2780029 digits May 2025 Ryan Propper; srsieve; PRST
k: 95
max n: 7.499.981
n = 1 3 digits
n = 3 3 digits
n = 5 4 digits
n = 7 5 digits
n = 13 6 digits
n = 17 8 digits
n = 21 9 digits
n = 53 18 digits
n = 57 20 digits
n = 61 21 digits
n = 83 27 digits
n = 89 29 digits
n = 111 36 digits
n = 167 53 digits
n = 175 55 digits
n = 237 74 digits
n = 533 163 digits
n = 621 189 digits
n = 661 201 digits
n = 753 229 digits
n = 993 301 digits
n = 1039 315 digits
n = 1849 559 digits
n = 1987 601 digits
n = 3437 1037 digits 1983 Wilfrid Keller
n = 6189 1866 digits 1989 Wilfrid Keller
n = 6905 2081 digits 1989 Wilfrid Keller
n = 8491 2559 digits May 1996 Patrick Demichel
n = 11285 3400 digits 1993 Harvey Dubner; Dubner Cruncher
n = 18539 5583 digits 1993 Harvey Dubner; Dubner Cruncher
n = 20271 6105 digits Oct 1996 Patrick Demichel
n = 25225 7596 digits 1996 Patrick Demichel
n = 30973 9326 digits Mar 1997 Patrick Demichel
n = 36559 11008 digits Mar 1997 Patrick Demichel
n = 40937 12326 digits Mar 1997 Harvey Dubner; Proth
n = 54477 16402 digits Aug 1998 Harvey Dubner; Proth
n = 120679 36330 digits Mar 1999 Jo Yeong Uk; Proth
n = 170545 51342 digits May 2002 Tadashi Taura; Proth
n = 231671 69742 digits May 2002 Tadashi Taura; Proth
n = 247265 74437 digits May 2002 Tadashi Taura; Proth
n = 433321 130445 digits Sep 2006 Joseph Bohanon; LLR; OpenPFGW
n = 622849 187499 digits Aug 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 682055 205321 digits Sep 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 829421 249683 digits Jan 2009 Steven Harvey; srsieve; PrimeGrid; LLR; OpenPFGW
n = 891073 268242 digits Mar 2009 Steven Harvey; srsieve; PrimeGrid; LLR; OpenPFGW
n = 925235 278526 digits Apr 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 953153 286930 digits Mar 2009 Steven Harvey; srsieve; PrimeGrid; LLR; OpenPFGW
n = 966925 291076 digits Mar 2009 Steven Harvey; srsieve; PrimeGrid; LLR; OpenPFGW
n = 1433853 431635 digits Jul 2011 Zhiyuan Zhan; PSieve; srsieve; PrimeGrid; LLR
n = 1498399 451066 digits Jul 2011 Algirdas Javtokas; PSieve; srsieve; PrimeGrid; LLR
n = 1674777 504161 digits Jul 2011 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1738427 523321 digits Aug 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 2837909 854298 digits Jun 2013 John Jacobs; PSieve; srsieve; PrimeGrid; LLR
n = 3614033 1087935 digits Mar 2019 Lucas Brown; PSieve; srsieve; PrimeGrid; LLR
n = 4063895 1223357 digits May 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4929067 1483799 digits Apr 2024 Andrew McNary; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 7354869 2214039 digits Sep 2023 Ryan Propper; srsieve; PRST
n = 7778585 2341590 digits Apr 2024 Ryan Propper; srsieve; PRST
k: 97
max n: 7.499.972
n = 2 3 digits
n = 4 4 digits
n = 14 7 digits
n = 20 9 digits
n = 40 15 digits
n = 266 83 digits
n = 400 123 digits
n = 652 199 digits
n = 722 220 digits
n = 2026 612 digits
n = 2732 825 digits
n = 3880 1170 digits 1983 Wilfrid Keller
n = 15454 4655 digits 1993 Harvey Dubner; Dubner Cruncher
n = 18508 5574 digits 1993 Harvey Dubner; Dubner Cruncher
n = 21964 6614 digits
n = 30344 9137 digits 1996 Patrick Demichel
n = 34618 10424 digits Mar 1997 Patrick Demichel
n = 100984 30402 digits Jul 1998 Robert L. Clark; Proth
n = 341686 102860 digits Jul 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 534310 160846 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 534602 160934 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 2818306 848397 digits Jun 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 2820650 849103 digits Jun 2013 Bart van Rooijen; PSieve; srsieve; PrimeGrid; LLR
n = 3833722 1154068 digits Dec 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 9305542 2801250 digits May 2025 Ryan Propper; srsieve; PRST
k: 99
max n: 7.499.949
n = 1 3 digits
n = 2 3 digits
n = 5 4 digits
n = 6 4 digits
n = 10 6 digits
n = 11 6 digits
n = 22 9 digits
n = 31 12 digits
n = 33 12 digits
n = 34 13 digits
n = 41 15 digits
n = 42 15 digits
n = 53 18 digits
n = 58 20 digits
n = 65 22 digits
n = 82 27 digits
n = 126 40 digits
n = 143 46 digits
n = 162 51 digits
n = 170 54 digits
n = 186 58 digits
n = 189 59 digits
n = 206 65 digits
n = 211 66 digits
n = 270 84 digits
n = 319 99 digits
n = 369 114 digits
n = 410 126 digits
n = 433 133 digits
n = 631 192 digits
n = 894 272 digits
n = 1617 489 digits
n = 2025 612 digits
n = 4029 1215 digits 1984 Hiromi Suyama
n = 4082 1231 digits 1984 Hiromi Suyama
n = 5118 1543 digits 1984 Hiromi Suyama
n = 6875 2072 digits 1989 Wilfrid Keller
n = 8337 2512 digits May 1996 Patrick Demichel
n = 14723 4435 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 16627 5008 digits Jul 1997 Steffen Polster; Proth
n = 20341 6126 digits May 1993 Jeffrey Young
n = 24653 7424 digits May 1993 Jeffrey Young
n = 32054 9652 digits Mar 1997 Patrick Demichel
n = 47985 14447 digits Mar 1997 Patrick Demichel
n = 57814 17406 digits Aug 1998 Harvey Dubner; Proth
n = 62361 18775 digits Aug 1998 Harvey Dubner; Proth
n = 63558 19135 digits Aug 1998 Harvey Dubner; Proth
n = 69947 21059 digits Aug 1998 Harvey Dubner; Dubner Cruncher
n = 78923 23761 digits Oct 1998 Gennady N. Gusev; Proth
n = 83863 25248 digits Oct 1998 Gennady N. Gusev; Proth
n = 95310 28694 digits Nov 1998 Gennady N. Gusev; Proth
n = 114805 34562 digits Dec 1998 David W Linton; Proth
n = 169723 51094 digits Jan 2000 Jo Yeong Uk; Proth
n = 186330 56093 digits Jun 2000 Jo Yeong Uk; Proth
n = 217865 65586 digits Dec 2000 Jo Yeong Uk; Proth
n = 314973 94819 digits Feb 2004 Gennady N. Gusev; Proth
n = 382425 115124 digits Feb 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 433966 130639 digits Mar 2005 Payam Samidoost; NewPGen; PRP; OpenPFGW
n = 488698 147115 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 555115 167109 digits Feb 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 580738 174822 digits Apr 2005 Payam Samidoost; NewPGen; PRP; OpenPFGW
n = 976049 293823 digits May 2005 Payam Samidoost; NewPGen; PRP; OpenPFGW
n = 1078165 324563 digits Mar 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1211757 364778 digits May 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1353457 407434 digits Jul 2011 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 1575803 474366 digits Jul 2011 Brett Melvold; PSieve; srsieve; PrimeGrid; LLR
n = 1665995 501517 digits Jul 2011 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 1768187 532280 digits Aug 2011 Michael R. McPherson; PSieve; srsieve; PrimeGrid; LLR
n = 2370390 713561 digits Apr 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2383846 717612 digits Apr 2013 Heinz Ming; PSieve; srsieve; PrimeGrid; LLR
n = 5798449 1745510 digits Jan 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6502814 1957545 digits Aug 2023 Ryan Propper; srsieve; PRST
n = 7830910 2357341 digits Apr 2024 Ryan Propper; srsieve; PRST
k: 101
max n: 7.499.991
n = 3 3 digits
n = 9 5 digits
n = 17 8 digits
n = 21 9 digits
n = 27 11 digits
n = 39 14 digits
n = 45 16 digits
n = 47 17 digits
n = 71 24 digits
n = 95 31 digits
n = 117 38 digits
n = 123 40 digits
n = 143 46 digits
n = 173 55 digits
n = 387 119 digits
n = 389 120 digits
n = 513 157 digits
n = 633 193 digits
n = 827 251 digits
n = 971 295 digits
n = 1103 335 digits
n = 3767 1136 digits 1983 Wilfrid Keller
n = 3831 1156 digits 1983 Wilfrid Keller
n = 7695 2319 digits 1989 Wilfrid Keller
n = 8871 2673 digits
n = 9809 2955 digits
n = 10011 3016 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17513 5274 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17873 5383 digits 1993 Harvey Dubner; Dubner Cruncher
n = 22841 6878 digits
n = 25401 7649 digits 1996 Patrick Demichel
n = 84369 25400 digits Mar 1998 Robert L. Clark; Proth
n = 95315 28695 digits Mar 1998 Robert L. Clark; Proth
n = 168983 50871 digits Jul 2000 Tom Shaw; Proth
n = 382407 115118 digits Jul 2005 Hans Overmann; Proth
n = 488039 146917 digits Aug 2005 Hans Overmann; Proth
n = 534891 161021 digits Mar 2007 Joseph Bohanon; LLR; OpenPFGW
n = 687897 207080 digits Mar 2007 Joseph Bohanon; LLR; OpenPFGW
n = 715503 215390 digits Apr 2007 Joseph Bohanon; LLR; OpenPFGW
n = 1142981 344074 digits Feb 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1988279 598534 digits May 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 2009735 604993 digits Dec 2013 Serge Batalov; srsieve; LLR
n = 2212769 666112 digits Sep 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 5774879 1738414 digits Jan 2025 Shawn Schafer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 7784453 2343356 digits Apr 2024 Ryan Propper; srsieve; PRST
n = 8152967 2454290 digits Dec 2023 Ryan Propper; srsieve; PRST
k: 103
max n: 7.499.998
n = 16 7 digits
n = 18 8 digits
n = 30 12 digits
n = 40 15 digits
n = 58 20 digits
n = 138 44 digits
n = 250 78 digits
n = 616 188 digits
n = 622 190 digits
n = 736 224 digits
n = 3670 1107 digits 1983 Wilfrid Keller
n = 6550 1974 digits 1984 Hiromi Suyama
n = 8454 2547 digits May 1996 Patrick Demichel
n = 12418 3741 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 18520 5578 digits 1993 Harvey Dubner; Dubner Cruncher
n = 21762 6554 digits
n = 26704 8041 digits 1996 Patrick Demichel
n = 103048 31023 digits Apr 1998 Robert L. Clark; Proth
n = 109888 33082 digits Apr 1998 Robert L. Clark; Proth
n = 131394 39556 digits Mar 2000 Michael Ian Hartley; Proth
n = 419416 126259 digits Aug 2005 Hans Overmann; Proth
n = 1001214 301398 digits Jan 2007 Payam Samidoost; FermFact; LLR; OpenPFGW
n = 2093350 630164 digits Dec 2013 Serge Batalov; srsieve; LLR
n = 2128242 640667 digits Feb 2014 Will Palumbo; PSieve; srsieve; PrimeGrid; LLR
n = 2234536 672665 digits Sep 2014 Paulo Silva; PSieve; srsieve; PrimeGrid; LLR
k: 105
max n: 6.999.999
n = 1 3 digits
n = 2 3 digits
n = 5 4 digits
n = 7 5 digits
n = 8 5 digits
n = 12 6 digits
n = 14 7 digits
n = 23 9 digits
n = 27 11 digits
n = 33 12 digits
n = 38 14 digits
n = 49 17 digits
n = 61 21 digits
n = 62 21 digits
n = 85 28 digits
n = 93 31 digits
n = 94 31 digits
n = 107 35 digits
n = 155 49 digits
n = 182 57 digits
n = 215 67 digits
n = 273 85 digits
n = 382 118 digits
n = 392 121 digits
n = 413 127 digits
n = 434 133 digits
n = 490 150 digits
n = 1631 494 digits
n = 3063 925 digits
n = 3331 1005 digits 1983 Wilfrid Keller
n = 3461 1044 digits 1983 Wilfrid Keller
n = 3619 1092 digits 1983 Wilfrid Keller
n = 4199 1267 digits 1984 Hiromi Suyama
n = 4298 1296 digits 1984 Hiromi Suyama
n = 5191 1565 digits 1984 Hiromi Suyama
n = 7967 2401 digits 1989 Wilfrid Keller
n = 8837 2663 digits
n = 9589 2889 digits
n = 10367 3123 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13700 4127 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 14458 4355 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 14821 4464 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 21021 6330 digits Oct 1996 Patrick Demichel
n = 21409 6447 digits Oct 1996 Patrick Demichel
n = 22939 6908 digits Mar 1998 Yves Gallot; Proth
n = 29927 9011 digits 1996 Patrick Demichel
n = 30552 9200 digits Mar 1998 Yves Gallot; Proth
n = 30840 9286 digits Mar 1997 Patrick Demichel
n = 32219 9701 digits Mar 1997 Patrick Demichel
n = 33980 10232 digits Mar 1997 Patrick Demichel
n = 41361 12453 digits Mar 1997 Patrick Demichel
n = 42041 12658 digits Mar 1997 Patrick Demichel
n = 43718 13163 digits Mar 1997 Patrick Demichel
n = 44090 13275 digits Mar 1997 Patrick Demichel
n = 44194 13306 digits Mar 1997 Patrick Demichel
n = 49814 14998 digits Mar 1997 Patrick Demichel
n = 52159 15704 digits Jun 1998 David Hanson; Proth
n = 69637 20965 digits Aug 1998 David Hanson; Proth
n = 75314 22674 digits Aug 1998 Manfred Toplic; Proth
n = 78363 23592 digits Aug 1998 Manfred Toplic; Proth
n = 78697 23693 digits Aug 1998 Manfred Toplic; Proth
n = 87231 26262 digits Aug 1998 Manfred Toplic; Proth
n = 133443 40173 digits Nov 1998 Manfred Toplic; Proth
n = 180062 54207 digits Apr 2003 Kevin Odermatt; Proth
n = 200712 60423 digits Dec 2001 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 328715 98956 digits Mar 2005 Michael Richard Eaton; NewPGen; PRP; Proth
n = 339971 102344 digits Mar 2005 Michael Richard Eaton; NewPGen; PRP; OpenPFGW
n = 368462 110921 digits Mar 2005 Michael Richard Eaton; NewPGen; PRP; OpenPFGW
n = 441040 132769 digits Oct 2005 Hans Overmann; Proth
n = 473040 142402 digits Nov 2005 Hans Overmann; Proth
n = 703368 211737 digits Apr 2007 Joseph Bohanon; LLR; OpenPFGW
n = 1109585 334021 digits Jul 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1152715 347004 digits Jul 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1260218 379366 digits Jul 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 2155392 648840 digits Feb 2014 Ben F. Nelson; PSieve; srsieve; PrimeGrid; LLR
n = 2422105 729129 digits Dec 2014 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2603631 783774 digits Feb 2015 Michal Boruvka; PSieve; srsieve; PrimeGrid; LLR
n = 2813000 846800 digits May 2015 Nick Athanas; PSieve; srsieve; PrimeGrid; LLR
n = 3720512 1119988 digits Aug 2022 Dao Heng Liu; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4113039 1238151 digits Jun 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6835099 2057572 digits May 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6884697 2072503 digits Jun 2025 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 107
max n: 6.999.999
n = 3 3 digits
n = 7 5 digits
n = 23 9 digits
n = 27 11 digits
n = 291 90 digits
n = 303 94 digits
n = 311 96 digits
n = 479 147 digits
n = 567 173 digits
n = 3087 932 digits
n = 18459 5559 digits 1993 Harvey Dubner; Dubner Cruncher
n = 33575 10110 digits Mar 1997 Patrick Demichel
n = 43123 12984 digits Mar 1997 Patrick Demichel
n = 58291 17550 digits Aug 1998 David W Linton; Proth
n = 155587 46839 digits Dec 2001 Nestor Sergio de Araujo Melo; Proth
n = 173007 52083 digits May 2004 Jay Berg; Proth
n = 414531 124789 digits Sep 2005 Hans Overmann; Proth
n = 1220391 367377 digits Jan 2012 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 1337019 402485 digits Jan 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 2081775 626679 digits Dec 2013 Serge Batalov; srsieve; LLR
n = 2401731 722996 digits Dec 2014 Brian Rossman; PSieve; srsieve; PrimeGrid; LLR
k: 109
max n: 6.999.999
n = 6 4 digits
n = 14 7 digits
n = 58 20 digits
n = 62 21 digits
n = 318 98 digits
n = 1574 476 digits
n = 2034 615 digits
n = 26082 7854 digits 1996 Patrick Demichel
n = 96838 29154 digits Jun 1999 Stephen Scott; Proth
n = 103146 31053 digits Nov 1998 Sébastien Desnault; Proth
n = 235106 70776 digits Jan 2005 Hans Overmann; Proth
n = 1011102 304375 digits Nov 2009 Ray Ballinger; NewPGen; PRP; Proth
n = 1704658 513156 digits Aug 2012 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 2280194 686409 digits Sep 2014 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
k: 111
max n: 6.999.999
n = 1 3 digits
n = 4 4 digits
n = 28 11 digits
n = 32 12 digits
n = 44 16 digits
n = 47 17 digits
n = 71 24 digits
n = 128 41 digits
n = 137 44 digits
n = 193 61 digits
n = 676 206 digits
n = 2344 708 digits
n = 7828 2359 digits 1989 Wilfrid Keller
n = 10883 3279 digits 1981 Wilfrid Keller
n = 21596 6504 digits Oct 1996 Patrick Demichel
n = 31724 9552 digits Mar 1997 Patrick Demichel
n = 47783 14387 digits Mar 1997 Patrick Demichel
n = 49816 14999 digits Mar 1997 Patrick Demichel
n = 61300 18456 digits Sep 1998 Ed Adamson; Proth
n = 212396 63940 digits Jan 2005 Hans Overmann; Proth
n = 415412 125054 digits Sep 2005 Jim Fougeron; OpenPFGW
n = 2382772 717288 digits Nov 2014 Sebastian Rädle; PSieve; srsieve; PrimeGrid; LLR
n = 2841992 855527 digits Jun 2015 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 4091044 1231530 digits May 2023 Marshall Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 113
max n: 6.999.999
n = 1 3 digits
n = 5 4 digits
n = 13 6 digits
n = 33 12 digits
n = 145 46 digits
n = 365 112 digits
n = 409 126 digits
n = 509 156 digits
n = 553 169 digits
n = 673 205 digits
n = 733 223 digits
n = 961 292 digits
n = 1045 317 digits
n = 1541 466 digits
n = 2473 747 digits
n = 3461 1044 digits 1983 Wilfrid Keller
n = 5841 1761 digits 1989 Wilfrid Keller
n = 6221 1875 digits 1989 Wilfrid Keller
n = 9961 3001 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10753 3240 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16589 4996 digits 1993 Harvey Dubner; Dubner Cruncher
n = 26573 8002 digits 1996 Patrick Demichel
n = 68161 20521 digits Jul 1998 Ola Svallmark; Proth
n = 118705 35736 digits Dec 1998 Ola Svallmark; Proth
n = 129845 39090 digits Jan 1999 Ola Svallmark; Proth
n = 160645 48362 digits Aug 1999 Ola Svallmark; Proth
n = 223413 67257 digits Nov 2001 Ola Svallmark; Proth
n = 281769 84823 digits Dec 2001 Ola Svallmark; Proth
n = 667533 200950 digits Nov 2003 Ola Svallmark; Proth
n = 916801 275987 digits May 2009 Ruediger K. Eckhard; LLR
n = 1157413 348419 digits Nov 2010 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 1960341 590124 digits Jun 2013 Ben Ridgway; PSieve; srsieve; PrimeGrid; LLR
n = 2104825 633618 digits Jan 2014 James Reichel; PSieve; srsieve; PrimeGrid; LLR
n = 3437145 1034686 digits Feb 2015 Evelyn Chew; PSieve; srsieve; PrimeGrid; LLR
n = 3728113 1122276 digits Aug 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 115
max n: 6.999.999
n = 2 3 digits
n = 12 6 digits
n = 20 9 digits
n = 26 10 digits
n = 42 15 digits
n = 114 37 digits
n = 228 71 digits
n = 396 122 digits
n = 456 140 digits
n = 482 148 digits
n = 1298 393 digits
n = 3048 920 digits
n = 4968 1498 digits 1986 Hiromi Suyama
n = 7568 2281 digits 1989 Wilfrid Keller
n = 28004 8433 digits 1996 Patrick Demichel
n = 32466 9776 digits Mar 1997 Patrick Demichel
n = 40548 12209 digits Mar 1997 Patrick Demichel
n = 66576 20044 digits Apr 1998 Robert L. Clark; Proth
n = 78588 23660 digits Apr 1999 Brian J. Beesley; Proth
n = 101016 30411 digits Jul 1999 Peter JH Dodson; Proth
n = 120650 36322 digits Jun 2000 Yary Hluchan; Proth
n = 157488 47411 digits May 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 292730 88123 digits Apr 2004 Gennady N. Gusev; Proth
n = 778112 234238 digits Apr 2007 Joseph Bohanon; LLR; OpenPFGW
n = 1338620 402967 digits May 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 3763650 1132974 digits Sep 2022 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4347620 1308767 digits Nov 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6515714 1961428 digits Apr 2025 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 117
max n: 6.999.999
n = 3 3 digits
n = 4 4 digits
n = 6 4 digits
n = 10 6 digits
n = 16 7 digits
n = 30 12 digits
n = 36 13 digits
n = 91 30 digits
n = 94 31 digits
n = 156 50 digits
n = 382 118 digits
n = 454 139 digits
n = 643 196 digits
n = 867 264 digits
n = 1416 429 digits
n = 2656 802 digits
n = 2851 861 digits
n = 5971 1800 digits 1989 Wilfrid Keller
n = 6016 1814 digits 1989 Wilfrid Keller
n = 7260 2188 digits 1989 Wilfrid Keller
n = 9876 2976 digits
n = 15019 4524 digits 1993 Harvey Dubner; Dubner Cruncher
n = 43504 13099 digits Mar 1997 Patrick Demichel
n = 53827 16206 digits Oct 1998 Ray Ballinger; Proth
n = 88132 26533 digits Feb 1999 Mark Alfonso; Proth
n = 149032 44866 digits Nov 1999 Mark Alfonso; Proth
n = 153372 46172 digits Jul 2000 Mark Alfonso; Proth
n = 207571 62488 digits Jan 2005 Joseph Bohanon; LLR; Proth
n = 223656 67330 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 258442 77801 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 344850 103813 digits Apr 2005 Jim Fougeron; OpenPFGW
n = 403164 121367 digits Mar 2006 Mark Rodenkirch; NewPGen; LLR
n = 946852 285033 digits Oct 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1024380 308372 digits Dec 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1035072 311590 digits Dec 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1057032 318201 digits Dec 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1157460 348433 digits Dec 2010 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 2794014 841085 digits May 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 4632990 1394672 digits Feb 2024 James Jayaputera; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6719464 2022763 digits May 2025 Sanghyeok Lee; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 119
max n: 6.999.999
n = 1 3 digits
n = 3 3 digits
n = 7 5 digits
n = 13 6 digits
n = 21 9 digits
n = 23 9 digits
n = 45 16 digits
n = 63 22 digits
n = 553 169 digits
n = 1115 338 digits
n = 2471 746 digits
n = 2773 837 digits
n = 7363 2219 digits 1989 Wilfrid Keller
n = 25767 7759 digits 1996 Patrick Demichel
n = 26265 7909 digits 1996 Patrick Demichel
n = 32445 9769 digits Mar 1997 Patrick Demichel
n = 41291 12432 digits Mar 1997 Patrick Demichel
n = 55583 16735 digits May 1998 Chad Davis; Proth
n = 113637 34211 digits Oct 2000 Michael W. O'Brien; Proth
n = 376951 113476 digits Jan 2006 Hans Overmann; Proth
n = 787017 236918 digits Apr 2007 Joseph Bohanon; LLR; OpenPFGW
n = 858427 258415 digits Jul 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 915371 275557 digits Aug 2009 Ruediger K. Eckhard; LLR
n = 1242207 373944 digits Feb 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 1759247 529589 digits Mar 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3161195 951617 digits Jan 2022 Brian D. Niegocki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6150335 1851438 digits Feb 2025 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6777781 2040318 digits May 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 121
max n: 8.999.988
n = 8 5 digits
n = 12 6 digits
n = 44 16 digits
n = 84 28 digits
n = 96 31 digits
n = 228 71 digits
n = 264 82 digits
n = 320 99 digits
n = 732 223 digits
n = 788 240 digits
n = 1808 547 digits
n = 7928 2389 digits 1992 Harvey Dubner; Dubner Cruncher
n = 12264 3694 digits
n = 37784 11377 digits Jun 1998 Wilfrid Keller; Proth
n = 59196 17822 digits Jun 1998 Wilfrid Keller; Proth
n = 91112 27430 digits Sep 1999 Michael Ian Hartley; Proth
n = 112208 33781 digits Dec 1999 Fumitaka Yura; Proth
n = 168716 50791 digits Jul 2002 Tadashi Taura; Proth
n = 251184 75617 digits Sep 2002 Tadashi Taura; Proth
n = 264632 79665 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 272052 81898 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 513020 154437 digits Apr 2007 Joseph Bohanon; LLR; OpenPFGW
n = 636564 191627 digits Apr 2007 Joseph Bohanon; LLR; OpenPFGW
n = 674360 203005 digits Apr 2007 Joseph Bohanon; LLR; OpenPFGW
n = 9584444 2885208 digits Nov 2020 James Winskill; PSieve; srsieve; PrimeGrid; 12121 Search; LLR
k: 123
max n: 6.999.999
n = 6 4 digits
n = 8 5 digits
n = 17 8 digits
n = 21 9 digits
n = 29 11 digits
n = 32 12 digits
n = 46 16 digits
n = 57 20 digits
n = 69 23 digits
n = 128 41 digits
n = 141 45 digits
n = 268 83 digits
n = 333 103 digits
n = 476 146 digits
n = 742 226 digits
n = 832 253 digits
n = 1173 356 digits
n = 1677 507 digits
n = 5068 1528 digits 1989 Wilfrid Keller
n = 9568 2883 digits 1993 Harvey Dubner; Dubner Cruncher
n = 15453 4654 digits
n = 34761 10467 digits Mar 1998 Andy Penrose; Proth
n = 39992 12041 digits Apr 1998 Andy Penrose; Proth
n = 41213 12409 digits Apr 1998 Andy Penrose; Proth
n = 41852 12601 digits Apr 1998 Andy Penrose; Proth
n = 93982 28294 digits Sep 1999 Kenneth J. Brazier; Proth
n = 100748 30331 digits Sep 1999 Kenneth J. Brazier; Proth
n = 102929 30987 digits Sep 1999 Kenneth J. Brazier; Proth
n = 164069 49392 digits Jul 2002 Tadashi Taura; Proth
n = 286268 86178 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 561012 168884 digits Apr 2007 Joseph Bohanon; LLR; OpenPFGW
n = 582672 175404 digits Apr 2007 Joseph Bohanon; LLR; OpenPFGW
n = 875878 263668 digits Nov 2009 Ray Ballinger; NewPGen; PRP; Proth
n = 1107008 333245 digits Oct 2010 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 3049038 917854 digits May 2015 Greg Nelson; PSieve; srsieve; PrimeGrid; LLR
n = 3230548 972494 digits Apr 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3716758 1118858 digits Aug 2022 David Åkesson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4266441 1284329 digits Aug 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 125
max n: 6.999.999
n = 1 3 digits
n = 5 4 digits
n = 7 5 digits
n = 17 8 digits
n = 25 10 digits
n = 35 13 digits
n = 67 23 digits
n = 281 87 digits
n = 331 102 digits
n = 491 150 digits
n = 581 177 digits
n = 941 286 digits
n = 1205 365 digits
n = 1279 388 digits
n = 1411 427 digits
n = 1631 494 digits
n = 1895 573 digits
n = 2735 826 digits
n = 3475 1049 digits 1983 Wilfrid Keller
n = 13955 4203 digits
n = 50491 15202 digits Sep 1998 Skip Key; Proth
n = 68819 20719 digits Jan 1999 Yves Gallot; Proth
n = 423155 127385 digits Feb 2006 Hans Overmann; Proth
n = 432719 130264 digits Feb 2006 Hans Overmann; Proth
n = 507637 152817 digits May 2007 Joseph Bohanon; LLR; OpenPFGW
n = 701981 211320 digits May 2007 Joseph Bohanon; LLR; OpenPFGW
n = 924085 278180 digits Sep 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1107425 333371 digits Oct 2010 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 2071555 623603 digits Dec 2013 Serge Batalov; srsieve; LLR
n = 2369461 713281 digits Nov 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 5149981 1550301 digits Jun 2024 Stefan Fink; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 127
max n: 6.999.999
n = 2 3 digits
n = 12 6 digits
n = 18 8 digits
n = 24 10 digits
n = 54 19 digits
n = 72 24 digits
n = 114 37 digits
n = 180 57 digits
n = 214 67 digits
n = 504 154 digits
n = 558 171 digits
n = 964 293 digits
n = 1098 333 digits
n = 1420 430 digits
n = 2764 835 digits
n = 4322 1304 digits 1984 Hiromi Suyama
n = 5582 1683 digits
n = 10538 3175 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14634 4408 digits Nov 1997 Judson McCranie; Proth
n = 23970 7218 digits Nov 1997 Judson McCranie; Proth
n = 61054 18382 digits Sep 1998 David W Linton; Proth
n = 67618 20358 digits
n = 88958 26782 digits Oct 1998 Judson McCranie; Proth
n = 96744 29125 digits Oct 1998 Judson McCranie; Proth
n = 297350 89514 digits Feb 2005 Jaromir Muzik; Proth
n = 357840 107723 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 376162 113239 digits Apr 2006 Mark Rodenkirch; NewPGen; LLR
n = 723530 217807 digits Nov 2009 Ray Ballinger; NewPGen; PRP; Proth
n = 916980 276041 digits Nov 2009 Ray Ballinger; NewPGen; PRP; Proth
n = 925012 278459 digits Nov 2009 Ray Ballinger; NewPGen; PRP; Proth
n = 1472718 443335 digits Feb 2012 Victor Lee; PSieve; srsieve; PrimeGrid; LLR
n = 1817862 547234 digits Mar 2013 Luis Resto; PSieve; srsieve; PrimeGrid; LLR
n = 5391378 1622969 digits Sep 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 129
max n: 6.999.999
n = 3 4 digits
n = 5 4 digits
n = 21 9 digits
n = 27 11 digits
n = 59 20 digits
n = 75 25 digits
n = 111 36 digits
n = 287 89 digits
n = 414 127 digits
n = 786 239 digits
n = 966 293 digits
n = 1071 325 digits
n = 2433 735 digits
n = 2817 851 digits
n = 3165 955 digits
n = 4958 1495 digits
n = 5895 1777 digits
n = 12450 3750 digits
n = 39399 11863 digits Mar 1998 Kevin Carton; Proth
n = 50019 15060 digits Mar 1998 Kevin Carton; Proth
n = 57386 17278 digits Nov 1998 Bojan Antonovic; Proth
n = 72599 21857 digits Jul 1998 Lars A Carlen; Proth
n = 75866 22841 digits May 1999 Brian J. Beesley; Proth
n = 82026 24695 digits Aug 1999 Jean-Yves Canart; Proth
n = 112497 33868 digits Dec 1999 Daval Davis; Proth
n = 268271 80760 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 284975 85789 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 478538 144057 digits Mar 2006 Mark Rodenkirch; NewPGen; LLR
n = 564990 170082 digits Mar 2009 Ikumi Yuki; srsieve; PrimeGrid; LLR
n = 630843 189905 digits May 2007 Joseph Bohanon; LLR; OpenPFGW
n = 739023 222471 digits May 2007 Joseph Bohanon; LLR; OpenPFGW
n = 851306 256271 digits Jul 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 872765 262731 digits Jul 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1774709 534243 digits Mar 2013 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
n = 1956915 589093 digits Jun 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 2255199 678885 digits Sep 2014 Guillaume Tardy; PSieve; srsieve; PrimeGrid; LLR
n = 3218214 968782 digits Mar 2022 Florian Baur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3328805 1002073 digits Jul 2014 Eric Clifton; PSieve; srsieve; PrimeGrid; LLR
n = 5453363 1641628 digits Oct 2024 Hirohito Yagi; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6900230 2077179 digits Jun 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 131
max n: 6.499.999
n = 1 3 digits
n = 3 4 digits
n = 9 5 digits
n = 13 7 digits
n = 19 8 digits
n = 21 9 digits
n = 25 10 digits
n = 51 18 digits
n = 55 19 digits
n = 97 32 digits
n = 153 49 digits
n = 165 52 digits
n = 199 63 digits
n = 261 81 digits
n = 285 88 digits
n = 361 111 digits
n = 373 115 digits
n = 465 143 digits
n = 475 146 digits
n = 529 162 digits
n = 765 233 digits
n = 2065 624 digits
n = 3553 1072 digits 1983 Wilfrid Keller
n = 4377 1320 digits 1984 Hiromi Suyama
n = 5421 1635 digits
n = 6859 2067 digits 1992 Harvey Dubner; Dubner Cruncher
n = 7371 2222 digits 1992 Harvey Dubner; Dubner Cruncher
n = 11815 3559 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 21657 6522 digits
n = 29089 8759 digits Mar 1998 Yves Gallot; Proth
n = 31843 9588 digits Mar 1998 Yves Gallot; Proth
n = 33549 10102 digits Mar 1998 Yves Gallot; Proth
n = 35017 10544 digits Jun 1998 Judson McCranie; Proth
n = 50169 15105 digits Jul 1998 Judson McCranie; Proth
n = 102321 30804 digits Nov 1999 Daval Davis; Proth
n = 114073 34342 digits Dec 1999 Daval Davis; Proth
n = 118321 35621 digits Dec 1999 Daval Davis; Proth
n = 218697 65837 digits Oct 2003 Raffi Chaglassian; 'K' sieves; OpenPFGW
n = 261999 78872 digits Nov 2003 Raffi Chaglassian; 'K' sieves; OpenPFGW
n = 278175 83742 digits Mar 2005 Jim Fougeron; OpenPFGW
n = 430231 129515 digits Dec 2008 Adrian Jimenez; srsieve; PrimeGrid; LLR
n = 470245 141560 digits Aug 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1494099 449771 digits Feb 2012 Rob Derrera; PSieve; srsieve; PrimeGrid; LLR
n = 4227493 1272605 digits Aug 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4421071 1330878 digits Dec 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5013361 1509175 digits May 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5298475 1595003 digits Aug 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 133
max n: 6.499.999
n = 4 4 digits
n = 6 4 digits
n = 10 6 digits
n = 16 7 digits
n = 30 12 digits
n = 124 40 digits
n = 174 55 digits
n = 192 60 digits
n = 336 104 digits
n = 600 183 digits
n = 720 219 digits
n = 1092 331 digits
n = 1138 345 digits
n = 1588 481 digits
n = 1652 500 digits
n = 1812 548 digits
n = 3012 909 digits
n = 3308 998 digits
n = 7266 2190 digits 1992 Harvey Dubner; Dubner Cruncher
n = 7446 2244 digits 1992 Harvey Dubner; Dubner Cruncher
n = 10136 3054 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10656 3210 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12140 3657 digits
n = 21756 6552 digits
n = 63870 19229 digits Sep 1998 Gennady N. Gusev; Proth
n = 66020 19877 digits Sep 1998 Gennady N. Gusev; Proth
n = 81156 24433 digits Oct 1998 Gennady N. Gusev; Proth
n = 90346 27199 digits Sep 1998 Gennady N. Gusev; Proth
n = 109600 32996 digits Dec 1999 Daval Davis; Proth
n = 127600 38414 digits Apr 2001 Nestor Sergio de Araujo Melo; Proth
n = 193148 58146 digits Oct 2003 John Dilick; NewPGen; Proth
n = 193674 58304 digits Oct 2003 John Dilick; NewPGen; Proth
n = 200878 60473 digits Dec 2001 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 278806 83932 digits Dec 2003 John Dilick; NewPGen; Proth
n = 894310 269217 digits Aug 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1027150 309206 digits Dec 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1471408 442941 digits Feb 2012 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 1684616 507123 digits Feb 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 2455666 739232 digits Dec 2014 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2701452 813221 digits Feb 2015 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 2713410 816820 digits Feb 2015 Nikolay Yurgandzhiev; PSieve; srsieve; PrimeGrid; LLR
k: 135
max n: 6.499.999
n = 1 3 digits
n = 2 3 digits
n = 4 4 digits
n = 6 4 digits
n = 10 6 digits
n = 15 7 digits
n = 18 8 digits
n = 20 9 digits
n = 30 12 digits
n = 31 12 digits
n = 35 13 digits
n = 38 14 digits
n = 39 14 digits
n = 51 18 digits
n = 85 28 digits
n = 90 30 digits
n = 106 35 digits
n = 108 35 digits
n = 202 63 digits
n = 238 74 digits
n = 253 79 digits
n = 282 88 digits
n = 330 102 digits
n = 361 111 digits
n = 452 139 digits
n = 459 141 digits
n = 646 197 digits
n = 895 272 digits
n = 922 280 digits
n = 1201 364 digits
n = 1402 425 digits
n = 1441 436 digits
n = 1462 443 digits
n = 1523 461 digits
n = 1611 488 digits
n = 1770 535 digits
n = 1923 582 digits
n = 2053 621 digits
n = 2099 634 digits
n = 2242 678 digits
n = 2796 844 digits
n = 7699 2320 digits 1992 Harvey Dubner; Dubner Cruncher
n = 10614 3198 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11154 3360 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11910 3588 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 14775 4450 digits
n = 17211 5184 digits Jul 1996 Patrick Demichel
n = 17909 5394 digits Aug 1996 Tadashi Taura
n = 18545 5585 digits Oct 1996 Patrick Demichel
n = 23398 7046 digits 1996 Patrick Demichel
n = 25249 7603 digits Mar 1998 Wilfrid Keller; Proth
n = 27589 8308 digits Mar 1998 Wilfrid Keller; Proth
n = 28191 8489 digits Mar 1998 Wilfrid Keller; Proth
n = 30894 9303 digits Mar 1998 Wilfrid Keller; Proth
n = 32221 9702 digits Mar 1998 Wilfrid Keller; Proth
n = 41826 12594 digits Sep 1998 Ed Adamson; Proth
n = 42099 12676 digits Sep 1998 Ed Adamson; Proth
n = 58878 17727 digits Jun 1998 Gennady N. Gusev; Proth
n = 63190 19025 digits Jun 1998 Gennady N. Gusev; Proth
n = 80106 24117 digits Nov 1998 Gennady N. Gusev; Proth
n = 87575 26365 digits Dec 1998 Gennady N. Gusev; Proth
n = 126179 37986 digits Mar 1999 Gennady N. Gusev; Proth
n = 142188 42805 digits Apr 2001 Nestor Sergio de Araujo Melo; Proth
n = 167964 50565 digits Feb 2002 Reto Keiser; Proth
n = 192810 58044 digits Sep 2002 Reto Keiser; Proth
n = 196590 59182 digits Sep 2002 Reto Keiser; Proth
n = 217973 65619 digits Apr 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 225379 67848 digits Apr 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 227023 68343 digits Apr 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 238003 71649 digits Apr 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 247090 74384 digits Apr 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 250268 75341 digits May 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 281631 84782 digits May 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 314138 94568 digits May 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 356405 107291 digits Jun 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 360108 108406 digits Jun 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 440255 132533 digits Feb 2005 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 499948 150502 digits Feb 2005 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 598478 180162 digits Mar 2009 Ikumi Yuki; srsieve; PrimeGrid; LLR
n = 717682 216046 digits Jun 2007 Joseph Bohanon; LLR; OpenPFGW
n = 870998 262199 digits Aug 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1034550 311433 digits Jul 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1306036 393159 digits Jan 2012 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 1515894 456332 digits Jan 2013 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1545961 465383 digits Jan 2013 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1590711 478854 digits Feb 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1596454 480583 digits Feb 2013 Gergely Papp; PSieve; srsieve; PrimeGrid; LLR
n = 1756478 528755 digits Mar 2013 Ingrid Anita Gilles; PSieve; srsieve; PrimeGrid; LLR
n = 1838124 553333 digits Mar 2013 Łukasz Hernas; PSieve; srsieve; PrimeGrid; LLR
n = 1987735 598370 digits Jun 2013 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 3518338 1059128 digits Aug 2015 Evelyn Chew; PSieve; srsieve; PrimeGrid; LLR
n = 4162529 1253049 digits Jul 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5854694 1762441 digits Feb 2025 Ken Smith; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 137
max n: 6.499.999
n = 3 4 digits
n = 27 11 digits
n = 39 14 digits
n = 83 28 digits
n = 203 64 digits
n = 395 122 digits
n = 467 143 digits
n = 875 266 digits
n = 1979 598 digits
n = 6939 2091 digits Mar 1996 Patrick Demichel
n = 13623 4104 digits Jul 1997 Jim Buddenhagen; Proth
n = 22835 6877 digits Nov 1997 Judson McCranie; Proth
n = 56307 16953 digits Mar 1998 Wilfrid Keller; Proth
n = 81839 24639 digits Jun 1998 Judson McCranie; Proth
n = 197783 59541 digits Nov 1999 Judson McCranie; Proth
n = 224879 67698 digits Jan 2000 Judson McCranie; Proth
n = 261147 78616 digits May 2000 Judson McCranie; Proth
n = 523283 157527 digits Jun 2004 Judson McCranie; Proth
n = 533043 160465 digits Oct 2004 Judson McCranie; Proth
n = 2457639 739826 digits Dec 2014 Paul Busse; PSieve; srsieve; PrimeGrid; LLR
k: 139
max n: 6.499.999
n = 2 3 digits
n = 14 7 digits
n = 914 278 digits
n = 12614 3800 digits 1979 Wilfrid Keller
n = 335522 101005 digits Mar 2005 Jim Fougeron; OpenPFGW
n = 1567874 471980 digits Dec 2006 Joseph Bohanon; LLR; OpenPFGW
k: 141
max n: 6.499.999
n = 1 3 digits
n = 3 4 digits
n = 5 4 digits
n = 7 5 digits
n = 8 5 digits
n = 12 6 digits
n = 15 7 digits
n = 20 9 digits
n = 31 12 digits
n = 33 13 digits
n = 37 14 digits
n = 41 15 digits
n = 61 21 digits
n = 65 22 digits
n = 91 30 digits
n = 93 31 digits
n = 103 34 digits
n = 117 38 digits
n = 133 43 digits
n = 137 44 digits
n = 141 45 digits
n = 160 51 digits
n = 291 90 digits
n = 303 94 digits
n = 343 106 digits
n = 488 150 digits
n = 535 164 digits
n = 555 170 digits
n = 556 170 digits
n = 640 195 digits
n = 756 230 digits
n = 897 273 digits
n = 917 279 digits
n = 1745 528 digits
n = 1805 546 digits
n = 2053 621 digits
n = 2372 717 digits
n = 3375 1019 digits 1983 Wilfrid Keller
n = 5952 1794 digits
n = 9612 2896 digits 1993 Harvey Dubner; Dubner Cruncher
n = 15717 4734 digits
n = 18432 5551 digits Oct 1996 Patrick Demichel
n = 25593 7707 digits Jan 1998 Chris Caldwell; Proth
n = 29212 8796 digits Mar 1998 Ray Ballinger; Proth
n = 31004 9336 digits Mar 1998 Chris Caldwell; Proth
n = 31135 9375 digits Mar 1998 Chris Caldwell; Proth
n = 32192 9693 digits Mar 1998 Chris Caldwell; Proth
n = 32287 9722 digits Mar 1998 Chris Caldwell; Proth
n = 43477 13091 digits Mar 1998 Chris Caldwell; Proth
n = 44901 13519 digits Dec 1998 Chris Caldwell; Proth
n = 60951 18351 digits Apr 1998 Chris Caldwell; Proth
n = 62060 18685 digits Apr 1998 Chris Caldwell; Proth
n = 65593 19748 digits Feb 1998 Jeffrey Young
n = 77312 23276 digits Jun 1999 John D. DeCuir; Proth
n = 95851 28857 digits Feb 1998 Jeffrey Young
n = 107511 32367 digits Aug 1999 Jo Yeong Uk; Proth
n = 124431 37460 digits Nov 1999 Jo Yeong Uk; Proth
n = 125887 37898 digits Nov 1999 Jo Yeong Uk; Proth
n = 194751 58629 digits Mar 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 221645 66724 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 239005 71950 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 240885 72516 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 271131 81621 digits Mar 2005 Jim Fougeron; OpenPFGW
n = 322201 96995 digits Mar 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 434996 130949 digits May 2005 Jim Fougeron; OpenPFGW
n = 570401 171710 digits Aug 2005 Jim Fougeron; OpenPFGW
n = 572007 172194 digits Aug 2005 Jim Fougeron; OpenPFGW
n = 605392 182244 digits Sep 2005 Jim Fougeron; OpenPFGW
n = 652057 196291 digits May 2009 Eric Ueda; srsieve; PrimeGrid; LLR
n = 862248 259565 digits Aug 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 968467 291540 digits Oct 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1147747 345509 digits Apr 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 1222421 367988 digits Aug 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 1276616 384302 digits Jan 2012 Yongchen Xu; PSieve; srsieve; PrimeGrid; LLR
n = 1291195 388691 digits Jan 2012 Jeremy Kiesanowski; PSieve; srsieve; PrimeGrid; LLR
n = 1404747 422874 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1433536 431540 digits Jan 2012 Thorsten Grube; PSieve; srsieve; PrimeGrid; LLR
n = 1669965 502712 digits Feb 2013 Bartlett Henderson; PSieve; srsieve; PrimeGrid; LLR
n = 2249967 677310 digits Sep 2014 Javi Jarne; PSieve; srsieve; PrimeGrid; LLR
n = 2702160 813434 digits Feb 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2943065 885953 digits Aug 2015 Bradley Skinner; PSieve; srsieve; PrimeGrid; LLR
n = 3529287 1062424 digits Sep 2015 Chris Hoefliger; PSieve; srsieve; PrimeGrid; LLR
n = 4024411 1211471 digits Apr 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4043116 1217102 digits Apr 2023 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4192911 1262195 digits Jul 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4337804 1305812 digits Oct 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5600116 1685806 digits Nov 2024 Jason Lynch; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6175704 1859075 digits Feb 2025 HyeongShin Kang; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6286573 1892450 digits Mar 2025 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6406088 1928427 digits Apr 2025 Marshall Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 143
max n: 6.499.999
n = 53 19 digits
n = 77 26 digits
n = 293 91 digits
n = 333 103 digits
n = 393 121 digits
n = 809 246 digits
n = 825 251 digits
n = 20973 6316 digits Oct 1996 Patrick Demichel
n = 85349 25695 digits
n = 270285 81367 digits Mar 2005 Jim Fougeron; OpenPFGW
n = 459093 138203 digits Mar 2006 Mark Rodenkirch; NewPGen; OpenPFGW
n = 699189 210480 digits May 2007 Joseph Bohanon; LLR; OpenPFGW
n = 859769 258819 digits Jul 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1650689 496910 digits Dec 2012 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
k: 145
max n: 6.499.999
n = 6 4 digits
n = 16 7 digits
n = 28 11 digits
n = 70 24 digits
n = 76 26 digits
n = 250 78 digits
n = 276 86 digits
n = 312 97 digits
n = 562 172 digits
n = 636 194 digits
n = 1366 414 digits
n = 1552 470 digits
n = 1968 595 digits
n = 7000 2110 digits 1992 Harvey Dubner; Dubner Cruncher
n = 7312 2204 digits Oct 1992 Harvey Dubner; Dubner Cruncher
n = 7548 2275 digits 1992 Harvey Dubner; Dubner Cruncher
n = 7852 2366 digits 1992 Harvey Dubner; Dubner Cruncher
n = 8116 2446 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16306 4911 digits
n = 18868 5682 digits Oct 1996 Patrick Demichel
n = 20518 6179 digits Oct 1996 Patrick Demichel
n = 23676 7130 digits
n = 27400 8251 digits Mar 1998 Ray Ballinger; Proth
n = 75858 22838 digits Mar 1999 Jo Yeong Uk; Proth
n = 207880 62581 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 1233286 371259 digits Jun 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 2621020 789008 digits Feb 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 4327756 1302787 digits Oct 2023 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 147
max n: 6.499.999
n = 8 5 digits
n = 11 6 digits
n = 15 7 digits
n = 18 8 digits
n = 19 8 digits
n = 26 10 digits
n = 44 16 digits
n = 60 21 digits
n = 84 28 digits
n = 90 30 digits
n = 91 30 digits
n = 134 43 digits
n = 155 49 digits
n = 179 57 digits
n = 258 80 digits
n = 275 85 digits
n = 475 146 digits
n = 620 189 digits
n = 824 251 digits
n = 888 270 digits
n = 1731 524 digits
n = 2194 663 digits
n = 2328 703 digits
n = 2568 776 digits
n = 2915 880 digits
n = 3554 1073 digits 1983 Wilfrid Keller
n = 4319 1303 digits 1984 Hiromi Suyama
n = 5340 1610 digits
n = 8054 2427 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10088 3039 digits 1993 Harvey Dubner; Dubner Cruncher
n = 21660 6523 digits Oct 1996 Patrick Demichel
n = 41851 12601 digits Mar 1998 Chris Caldwell; Proth
n = 50535 15215 digits Aug 1998 Gennady N. Gusev; Proth
n = 77719 23398 digits Mar 1999 Jo Yeong Uk; Proth
n = 81660 24585 digits Apr 1999 Jo Yeong Uk; Proth
n = 169658 51075 digits
n = 179034 53897 digits Dec 2004 Hans Overmann; Proth
n = 190911 57473 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 208731 62837 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 218300 65718 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 359710 108286 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 394394 118727 digits Apr 2006 Mark Rodenkirch; NewPGen; LLR
n = 509831 153477 digits Mar 2007 Joseph Bohanon; LLR; OpenPFGW
n = 534558 160921 digits Mar 2007 Joseph Bohanon; LLR; OpenPFGW
n = 1157300 348385 digits May 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 1168975 351899 digits Jun 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 1392930 419316 digits Jan 2012 Kelvin Lewis; PSieve; srsieve; PrimeGrid; LLR
n = 1426959 429560 digits Jan 2012 Tom Pepper; PSieve; srsieve; PrimeGrid; LLR
n = 1490274 448620 digits Feb 2012 Stan Harder; PSieve; srsieve; PrimeGrid; LLR
n = 2375995 715248 digits Nov 2014 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 2604275 783968 digits Feb 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2862651 861746 digits Jun 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 5146964 1549393 digits Jun 2024 Fred Roberts; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5410159 1628623 digits Oct 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 149
max n: 6.499.999
n = 3 4 digits
n = 7 5 digits
n = 9 5 digits
n = 15 7 digits
n = 17 8 digits
n = 27 11 digits
n = 33 13 digits
n = 35 13 digits
n = 57 20 digits
n = 125 40 digits
n = 127 41 digits
n = 137 44 digits
n = 191 60 digits
n = 513 157 digits
n = 819 249 digits
n = 827 252 digits
n = 921 280 digits
n = 931 283 digits
n = 1047 318 digits
n = 1147 348 digits
n = 1599 484 digits
n = 1815 549 digits
n = 2499 755 digits
n = 2995 904 digits
n = 8151 2456 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11403 3435 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 22783 6861 digits
n = 29841 8986 digits Mar 1998 Ray Ballinger; Proth
n = 30201 9094 digits Mar 1998 Chris Caldwell; Proth
n = 85935 25872 digits Apr 1999 Jo Yeong Uk; Proth
n = 142281 42834 digits Jul 2001 Nestor Sergio de Araujo Melo; Proth
n = 149831 45106 digits Aug 2001 Nestor Sergio de Araujo Melo; Proth
n = 184457 55530 digits Aug 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 221595 66709 digits Sep 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 256099 77096 digits Sep 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 283881 85459 digits Sep 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 333933 100527 digits May 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 483045 145414 digits Feb 2006 Mark Rodenkirch; NewPGen; LLR
n = 658917 198356 digits Mar 2007 Joseph Bohanon; LLR; OpenPFGW
n = 714199 214998 digits Mar 2007 Joseph Bohanon; LLR; OpenPFGW
n = 812719 244655 digits Mar 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1295061 389855 digits Dec 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 1561951 470197 digits Feb 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 5196375 1564267 digits Jul 2024 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 151
max n: 6.499.999
n = 4 4 digits
n = 20 9 digits
n = 24 10 digits
n = 76 26 digits
n = 96 32 digits
n = 544 166 digits
n = 560 171 digits
n = 1124 341 digits
n = 1760 532 digits
n = 5056 1525 digits 1985 Hiromi Suyama
n = 6104 1840 digits 1985 Hiromi Suyama
n = 9680 2917 digits 1993 Harvey Dubner; Dubner Cruncher
n = 31416 9460 digits May 1997 Henri Lifchitz; Proth
n = 84640 25482 digits Jun 1998 Gennady N. Gusev; Proth
n = 281244 84666 digits Mar 2004 Gennady N. Gusev; Proth
n = 301056 90630 digits May 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 585044 176118 digits Mar 2007 Pavlos Saridis; NewPGen; Proth; LLR
n = 809716 243751 digits Mar 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 858640 258479 digits Jul 2009 Steven Harvey; FermFact; LLR; OpenPFGW
n = 1016600 306030 digits Apr 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1376256 414297 digits Jun 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 2584480 778009 digits Jan 2015 Piotr Niedbała; PSieve; srsieve; PrimeGrid; LLR
k: 153
max n: 6.499.999
n = 1 3 digits
n = 2 3 digits
n = 13 7 digits
n = 16 8 digits
n = 17 8 digits
n = 26 11 digits
n = 37 14 digits
n = 62 21 digits
n = 73 25 digits
n = 97 32 digits
n = 112 36 digits
n = 286 89 digits
n = 313 97 digits
n = 317 98 digits
n = 1001 304 digits
n = 1237 375 digits
n = 1565 474 digits
n = 2665 805 digits
n = 5753 1735 digits
n = 9232 2782 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13202 3977 digits
n = 14665 4417 digits
n = 15226 4586 digits
n = 16633 5010 digits Jul 1997 Steffen Polster; Proth
n = 50237 15126 digits May 1998 Gennady N. Gusev; Proth
n = 82205 24749 digits Jun 1998 Gennady N. Gusev; Proth
n = 122821 36975 digits Aug 1998 Gennady N. Gusev; Proth
n = 181093 54517 digits Oct 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 402206 121079 digits Sep 2005 Jiong Sun; NewPGen; PRP; OpenPFGW
n = 801973 241421 digits Mar 2009 Steven Harvey; srsieve; PrimeGrid; LLR; OpenPFGW
n = 877553 264172 digits Aug 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1214002 365454 digits Jul 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 2079401 625965 digits Jan 2014 Barry Jablonski; PSieve; srsieve; PrimeGrid; LLR
n = 2697173 811933 digits Feb 2015 Paulo Silva; PSieve; srsieve; PrimeGrid; LLR
n = 3097277 932376 digits Sep 2021 Adrian Schori; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3922478 1180786 digits Feb 2023 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5369765 1616463 digits Sep 2024 HyeongShin Kang; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 155
max n: 6.499.999
n = 1 3 digits
n = 7 5 digits
n = 17 8 digits
n = 23 10 digits
n = 29 11 digits
n = 31 12 digits
n = 41 15 digits
n = 261 81 digits
n = 353 109 digits
n = 437 134 digits
n = 447 137 digits
n = 591 181 digits
n = 649 198 digits
n = 677 206 digits
n = 1253 380 digits
n = 1301 394 digits
n = 2449 740 digits
n = 9313 2806 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11749 3539 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 16661 5018 digits Jul 1997 Kenneth J. Brazier; Proth
n = 25173 7581 digits Mar 1998 Yves Gallot; Proth
n = 32887 9903 digits Mar 1998 Yves Gallot; Proth
n = 38761 11671 digits May 1998 Anton Oleynick; Proth
n = 67973 20465 digits Jul 1998 Anton Oleynick; Proth
n = 79557 23952 digits Aug 1998 Anton Oleynick; Proth
n = 149423 44983 digits Aug 2001 Nestor Sergio de Araujo Melo; Proth
n = 173833 52332 digits Jul 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 298679 89914 digits Jul 2004 Paul Jobling; Gennady N. Gusev; George F. Woltman; Proth
n = 336951 101435 digits Sep 2005 Jiong Sun; NewPGen; PRP; OpenPFGW
n = 684887 206174 digits Jul 2007 Joseph Bohanon; LLR; OpenPFGW
n = 1199689 361145 digits Jun 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 2357111 709564 digits Oct 2014 Stephen Hou; PSieve; srsieve; PrimeGrid; LLR
n = 2602213 783347 digits Feb 2015 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 4687127 1410969 digits Feb 2024 HyeongShin Kang; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 157
max n: 6.499.999
n = 8 5 digits
n = 12 6 digits
n = 14 7 digits
n = 24 10 digits
n = 32 12 digits
n = 134 43 digits
n = 252 79 digits
n = 272 85 digits
n = 404 124 digits
n = 1460 442 digits
n = 1776 537 digits
n = 8510 2564 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14280 4301 digits Aug 1996 Tadashi Taura
n = 14396 4336 digits
n = 17736 5342 digits Jul 1996 Patrick Demichel
n = 21284 6410 digits
n = 84056 25306 digits Oct 1999 Ray Ballinger; Proth
n = 147036 44265 digits Oct 2001 Nestor Sergio de Araujo Melo; Proth
n = 490772 147740 digits Oct 2005 Jiong Sun; NewPGen; PRP; OpenPFGW
n = 963590 290072 digits Sep 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1920152 578026 digits Jun 2013 Algirdas Javtokas; PSieve; srsieve; PrimeGrid; LLR
n = 2407958 724870 digits Dec 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 159
max n: 6.499.999
n = 6 5 digits
n = 7 5 digits
n = 9 5 digits
n = 18 8 digits
n = 19 8 digits
n = 22 9 digits
n = 30 12 digits
n = 34 13 digits
n = 42 15 digits
n = 106 35 digits
n = 190 60 digits
n = 262 82 digits
n = 339 105 digits
n = 354 109 digits
n = 379 117 digits
n = 478 147 digits
n = 523 160 digits
n = 690 210 digits
n = 718 219 digits
n = 855 260 digits
n = 963 293 digits
n = 1087 330 digits
n = 2478 749 digits
n = 3309 999 digits
n = 3862 1165 digits 1983 Wilfrid Keller
n = 4155 1253 digits 1984 Hiromi Suyama
n = 5098 1537 digits
n = 6678 2013 digits 1992 Harvey Dubner; Dubner Cruncher
n = 12898 3885 digits
n = 14226 4285 digits
n = 14274 4300 digits
n = 18738 5643 digits Oct 1996 Patrick Demichel
n = 20065 6043 digits Oct 1996 Patrick Demichel
n = 24390 7345 digits Mar 1998 Yves Gallot; Proth
n = 44079 13272 digits Jul 1998 Germano Gonzaga Lima do Vale Filho; Proth
n = 103417 31134 digits Apr 2000 Daval Davis; Proth
n = 108850 32770 digits May 2000 Daval Davis; Proth
n = 112374 33831 digits Apr 2000 Thom Adams; Proth
n = 142462 42888 digits Nov 2001 Nestor Sergio de Araujo Melo; Proth
n = 280438 84423 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 514927 155011 digits Mar 2005 Jim Fougeron; OpenPFGW
n = 650934 195953 digits Jul 2007 Joseph Bohanon; LLR; OpenPFGW
n = 689437 207544 digits Jul 2007 Joseph Bohanon; LLR; OpenPFGW
n = 1579426 475457 digits Feb 2013 Masumi Hamada; PSieve; srsieve; PrimeGrid; LLR
n = 2339566 704282 digits Oct 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3425766 1031261 digits Feb 2015 Evelyn Chew; PSieve; srsieve; PrimeGrid; LLR
n = 3801463 1144357 digits Oct 2022 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3860863 1162238 digits Jan 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4348734 1309102 digits Nov 2023 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5432226 1635266 digits Oct 2024 Scottie Mckinley; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 161
max n: 6.499.999
n = 3 4 digits
n = 5 4 digits
n = 11 6 digits
n = 13 7 digits
n = 51 18 digits
n = 53 19 digits
n = 63 22 digits
n = 71 24 digits
n = 103 34 digits
n = 179 57 digits
n = 205 64 digits
n = 267 83 digits
n = 351 108 digits
n = 589 180 digits
n = 719 219 digits
n = 1453 440 digits
n = 3703 1117 digits 1983 Wilfrid Keller
n = 7935 2391 digits 1992 Harvey Dubner; Dubner Cruncher
n = 10851 3269 digits 1993 Harvey Dubner; Dubner Cruncher
n = 15151 4564 digits
n = 16013 4823 digits
n = 20319 6119 digits Oct 1996 Patrick Demichel
n = 65475 19713 digits Dec 1998 Gennady N. Gusev; Proth
n = 66083 19896 digits Dec 1998 Gennady N. Gusev; Proth
n = 105269 31692 digits Apr 2000 Daval Davis; Proth
n = 181059 54507 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 186347 56099 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 319875 96295 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1057743 318415 digits May 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1668927 502400 digits Feb 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1754223 528076 digits Mar 2013 Leo Janda; PSieve; srsieve; PrimeGrid; LLR
n = 2142431 644939 digits Feb 2014 Randy Eldredge; PSieve; srsieve; PrimeGrid; LLR
n = 4164267 1253572 digits Jul 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4928111 1483512 digits Apr 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 163
max n: 6.499.999
n = 2 3 digits
n = 4 4 digits
n = 6 5 digits
n = 8 5 digits
n = 12 6 digits
n = 18 8 digits
n = 22 9 digits
n = 30 12 digits
n = 34 13 digits
n = 44 16 digits
n = 52 18 digits
n = 54 19 digits
n = 58 20 digits
n = 62 21 digits
n = 64 22 digits
n = 68 23 digits
n = 112 36 digits
n = 114 37 digits
n = 124 40 digits
n = 126 41 digits
n = 144 46 digits
n = 148 47 digits
n = 194 61 digits
n = 226 71 digits
n = 416 128 digits
n = 490 150 digits
n = 518 159 digits
n = 536 164 digits
n = 1642 497 digits
n = 4344 1310 digits 1985 Hiromi Suyama
n = 4958 1495 digits
n = 5104 1539 digits
n = 7424 2238 digits 1992 Harvey Dubner; Dubner Cruncher
n = 7530 2269 digits 1992 Harvey Dubner; Dubner Cruncher
n = 8134 2451 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13166 3966 digits Jan 1998 Jim Buddenhagen; Proth
n = 14466 4357 digits Jan 1998 Jim Buddenhagen; Proth
n = 15124 4555 digits Jan 1998 Jim Buddenhagen; Proth
n = 16734 5040 digits May 1996 Patrick Demichel
n = 19448 5857 digits Oct 1996 Patrick Demichel
n = 40746 12268 digits May 1998 Skip Key; Proth
n = 51206 15417 digits
n = 79162 23833 digits Aug 1999 Kirk Pearson; Proth
n = 85736 25812 digits Aug 1999 Kirk Pearson; Proth
n = 93466 28139 digits Aug 1999 Kirk Pearson; Proth
n = 109786 33052 digits May 2000 Daval Davis; Proth
n = 114412 34444 digits Apr 2000 Kirk Pearson; Proth
n = 116116 34957 digits Apr 2000 Kirk Pearson; Proth
n = 130372 39249 digits Aug 2000 Kirk Pearson; Proth
n = 133472 40182 digits Aug 2000 Kirk Pearson; Proth
n = 150412 45281 digits May 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 153428 46189 digits May 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 218054 65644 digits Sep 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 230692 69448 digits Oct 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 234142 70486 digits Oct 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 343190 103313 digits Jan 2005 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 424908 127913 digits Apr 2005 Jim Fougeron; OpenPFGW
n = 460006 138478 digits Apr 2005 Jim Fougeron; OpenPFGW
n = 528788 159184 digits Apr 2005 Jim Fougeron; OpenPFGW
n = 538318 162053 digits Apr 2005 Jim Fougeron; OpenPFGW
n = 560576 168753 digits May 2005 Jim Fougeron; OpenPFGW
n = 597474 179860 digits May 2005 Jim Fougeron; OpenPFGW
n = 1027592 309339 digits May 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1129934 340147 digits Dec 2010 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 1196434 360165 digits Apr 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 1374474 413761 digits Jan 2012 Timothy Winkler; PSieve; srsieve; PrimeGrid; LLR
n = 1475932 444303 digits Feb 2012 Kevin Hollings; PSieve; srsieve; PrimeGrid; LLR
n = 1771524 533285 digits Mar 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3250978 978645 digits May 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3735726 1124568 digits Aug 2022 Frank Meador; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3874556 1166360 digits Jan 2023 Timothy D. Dickey; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3954818 1190522 digits Feb 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3984604 1199488 digits Mar 2023 Wei Wei; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5550632 1670909 digits Nov 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5945098 1789656 digits Feb 2025 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 165
max n: 6.499.999
n = 1 3 digits
n = 2 3 digits
n = 3 4 digits
n = 5 4 digits
n = 7 5 digits
n = 9 5 digits
n = 12 6 digits
n = 17 8 digits
n = 25 10 digits
n = 33 13 digits
n = 39 14 digits
n = 43 16 digits
n = 51 18 digits
n = 65 22 digits
n = 71 24 digits
n = 72 24 digits
n = 84 28 digits
n = 100 33 digits
n = 104 34 digits
n = 168 53 digits
n = 198 62 digits
n = 264 82 digits
n = 282 88 digits
n = 293 91 digits
n = 352 109 digits
n = 379 117 digits
n = 611 187 digits
n = 676 206 digits
n = 719 219 digits
n = 729 222 digits
n = 745 227 digits
n = 1013 308 digits
n = 1407 426 digits
n = 1417 429 digits
n = 1532 464 digits
n = 1887 571 digits
n = 1902 575 digits
n = 1993 603 digits
n = 2137 646 digits
n = 2294 693 digits
n = 2381 719 digits
n = 2509 758 digits
n = 3259 984 digits
n = 4224 1274 digits 1984 Hiromi Suyama
n = 4713 1421 digits
n = 5719 1724 digits
n = 6613 1993 digits
n = 7515 2265 digits 1992 Harvey Dubner; Dubner Cruncher
n = 8575 2584 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8935 2692 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11598 3494 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 12500 3766 digits Jan 1998 Jim Buddenhagen; Proth
n = 13347 4021 digits Jul 1997 Jim Buddenhagen; Proth
n = 14504 4369 digits Jan 1998 Jim Buddenhagen; Proth
n = 16732 5040 digits May 1996 Patrick Demichel
n = 20865 6284 digits Oct 1996 Patrick Demichel
n = 21396 6444 digits Oct 1996 Patrick Demichel
n = 21525 6482 digits Oct 1996 Patrick Demichel
n = 22843 6879 digits 1996 Patrick Demichel
n = 27975 8424 digits Oct 1997 Jim Buddenhagen; Proth
n = 33197 9996 digits Oct 1997 Jim Buddenhagen; Proth
n = 44442 13381 digits Aug 1998 Yves Gallot; Proth
n = 45387 13666 digits Aug 1998 Yves Gallot; Proth
n = 49095 14782 digits Aug 1998 Yves Gallot; Proth
n = 57633 17352 digits Sep 1998 Yves Gallot; Proth
n = 64108 19301 digits Sep 1998 Yves Gallot; Proth
n = 67326 20270 digits Feb 1998 Jeffrey Young
n = 87580 26367 digits Jan 1999 David W Linton; Proth
n = 94484 28445 digits Dec 1998 David W Linton; Proth
n = 120400 36247 digits Nov 1998 David W Linton; Proth
n = 126928 38212 digits Dec 1998 David W Linton; Proth
n = 139459 41984 digits Nov 1998 David W Linton; Proth
n = 143437 43182 digits Dec 1998 David W Linton; Proth
n = 147953 44541 digits Mar 1999 David W Linton; Proth
n = 180740 54411 digits Oct 2001 Paul Jobling; NewPGen; Unspecified Proving Program
n = 187588 56472 digits Jan 2002 Kevin Odermatt; Proth
n = 230803 69481 digits Oct 2002 Kevin Odermatt; Proth
n = 237948 71632 digits Oct 2002 Kevin Odermatt; Proth
n = 247446 74491 digits Oct 2002 Kevin Odermatt; Proth
n = 335275 100931 digits Nov 2002 Kevin Odermatt; Proth
n = 335871 101110 digits Nov 2002 Kevin Odermatt; Proth
n = 345749 104084 digits Jan 2003 Kevin Odermatt; Proth
n = 422468 127178 digits Apr 2003 Kevin Odermatt; Proth
n = 509812 153471 digits Jan 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 746994 224870 digits May 2006 Kevin Odermatt; Proth
n = 758432 228313 digits Feb 2010 Mark Timbrell; srsieve; PrimeGrid; LLR
n = 781224 235175 digits Dec 2008 Ruediger K. Eckhard; LLR
n = 826425 248781 digits Aug 2006 Kevin Odermatt; Proth
n = 838479 252410 digits Sep 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 928724 279576 digits Apr 2007 Kevin Odermatt; Proth
n = 1010133 304083 digits Jul 2007 Kevin Odermatt; Proth
n = 1100755 331363 digits Sep 2007 Kevin Odermatt; Proth
n = 1117217 336319 digits Dec 2007 Kevin Odermatt; Proth
n = 1177856 354573 digits Dec 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1207393 363464 digits Jan 2012 Lasse Mejling Andersen; PSieve; srsieve; PrimeGrid; LLR
n = 1244739 374706 digits Jan 2012 Kimmo Myllyvirta; PSieve; srsieve; PrimeGrid; LLR
n = 1408117 423888 digits Jan 2012 Martyn Bamber; PSieve; srsieve; PrimeGrid; LLR
n = 1510977 454852 digits Apr 2012 Darren Wallace; srsieve; NewPGen; PrimeGrid; LLR
n = 1533368 461592 digits Jan 2013 Silvio Gordiani; PSieve; srsieve; PrimeGrid; LLR
n = 1703392 512775 digits Mar 2013 Robert Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 1705093 513287 digits Mar 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 2090645 629350 digits Jan 2014 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 2319575 698264 digits Oct 2014 John R H Graham; PSieve; srsieve; PrimeGrid; LLR
n = 2732983 822713 digits Mar 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2870868 864220 digits Jun 2015 Greg Nelson; PSieve; srsieve; PrimeGrid; LLR
n = 3960664 1192281 digits Feb 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4375458 1317147 digits Nov 2023 Eric Liskay; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4379097 1318242 digits Nov 2023 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5416628 1630570 digits Oct 2024 Shawn Schafer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5633373 1695817 digits Dec 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6213489 1870449 digits Mar 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 6237224 1877594 digits Mar 2025 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 167
max n: 5.999.999
n = 7 5 digits
n = 103 34 digits
n = 151 48 digits
n = 247 77 digits
n = 10183 3068 digits 1979 Wilfrid Keller
n = 55447 16694 digits Mar 1998 Wilfrid Keller; Proth
k: 169
max n: 5.999.999
n = 2 3 digits
n = 14 7 digits
n = 26 11 digits
n = 158 50 digits
n = 282 88 digits
n = 298 92 digits
n = 406 125 digits
n = 522 160 digits
n = 534 163 digits
n = 1050 319 digits
n = 1470 445 digits
n = 1478 448 digits
n = 1614 489 digits
n = 1970 596 digits
n = 2570 776 digits
n = 5054 1524 digits 1985 Hiromi Suyama
n = 5166 1558 digits
n = 6238 1881 digits
n = 9614 2897 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14026 4225 digits Jan 1998 Jim Buddenhagen; Proth
n = 49602 14934 digits Jun 1998 Harvey Dubner; Dubner Cruncher
n = 63686 19174 digits Jun 1998 Harvey Dubner; Proth
n = 70110 21108 digits May 1998 Lars A Carlen; Proth
n = 76934 23162 digits Apr 2000 Ray Ballinger; Proth
n = 109666 33015 digits Jun 2000 Michael W. O'Brien; Proth
n = 167734 50496 digits
n = 223590 67310 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 602070 181244 digits Nov 2007 Yuriy A. Choliy; Proth
n = 801578 241302 digits Feb 2008 Yuriy A. Choliy; Proth
n = 1327114 399504 digits Jan 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1635086 492213 digits Feb 2013 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 2545526 766282 digits Jan 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 171
max n: 5.999.999
n = 8 5 digits
n = 9 5 digits
n = 24 10 digits
n = 32 12 digits
n = 71 24 digits
n = 117 38 digits
n = 141 45 digits
n = 144 46 digits
n = 369 114 digits
n = 393 121 digits
n = 575 176 digits
n = 837 255 digits
n = 921 280 digits
n = 1007 306 digits
n = 3825 1154 digits 1983 Wilfrid Keller
n = 3837 1158 digits 1983 Wilfrid Keller
n = 18813 5666 digits Oct 1996 Patrick Demichel
n = 21731 6544 digits Oct 1996 Patrick Demichel
n = 25233 7599 digits Oct 1997 Jim Buddenhagen; Proth
n = 36261 10918 digits Jun 1998 Harvey Dubner; Proth
n = 57104 17193 digits Jun 1998 Harvey Dubner; Proth
n = 128301 38625 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 299840 90264 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 404379 121733 digits Dec 2008 James A. Poisson Jr.; srsieve; PrimeGrid; LLR
n = 714200 214998 digits Aug 2007 Joseph Bohanon; LLR; OpenPFGW
n = 717731 216061 digits Aug 2007 Joseph Bohanon; LLR; OpenPFGW
n = 910544 274104 digits Nov 2009 Ruediger K. Eckhard; LLR
n = 1061853 319652 digits May 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1658303 499202 digits Feb 2013 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
k: 173
max n: 5.999.999
n = 1 3 digits
n = 13 7 digits
n = 6253 1885 digits 1983 Wilfrid Keller
n = 23313 7021 digits Oct 1997 Jim Buddenhagen; Proth
n = 77289 23269 digits Jul 1999 Ruediger K. Eckhard; Proth
n = 135033 40652 digits Jan 2000 Dan Morenus; Proth
n = 349149 105107 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 604585 182001 digits Jul 2007 Joseph Bohanon; LLR; OpenPFGW
n = 1099741 331058 digits Jun 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1673881 503891 digits Feb 2013 Jay Parangalan; PSieve; srsieve; PrimeGrid; LLR
n = 2199301 662058 digits Feb 2014 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2578197 776117 digits Jan 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2729905 821786 digits Mar 2015 Philip Englehard; PSieve; srsieve; PrimeGrid; LLR
k: 175
max n: 5.999.999
n = 2 3 digits
n = 4 4 digits
n = 16 8 digits
n = 32 12 digits
n = 34 13 digits
n = 36 14 digits
n = 52 18 digits
n = 56 20 digits
n = 82 27 digits
n = 88 29 digits
n = 96 32 digits
n = 146 47 digits
n = 268 83 digits
n = 284 88 digits
n = 404 124 digits
n = 856 260 digits
n = 1652 500 digits
n = 3254 982 digits
n = 3848 1161 digits 1983 Wilfrid Keller
n = 4364 1316 digits 1984 Hiromi Suyama
n = 5034 1518 digits
n = 9666 2912 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11542 3477 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 14068 4238 digits Jan 1998 Jim Buddenhagen; Proth
n = 18086 5447 digits Oct 1996 Patrick Demichel
n = 19634 5913 digits Oct 1996 Patrick Demichel
n = 21614 6509 digits Oct 1997 Jim Buddenhagen; Proth
n = 23032 6936 digits Oct 1997 Jim Buddenhagen; Proth
n = 45736 13771 digits Jun 1998 Harvey Dubner; Proth
n = 57676 17365 digits Jun 1998 Harvey Dubner; Proth
n = 62642 18860 digits Jun 1998 Harvey Dubner; Proth
n = 97288 29289 digits Sep 1999 Ruediger K. Eckhard; Proth
n = 111692 33625 digits Sep 2001 Peter Shaw; Proth
n = 113488 34166 digits Sep 2001 Peter Shaw; Proth
n = 133908 40313 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 242514 73007 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 502646 151314 digits Aug 2007 Joseph Bohanon; LLR; OpenPFGW
n = 695576 209392 digits Aug 2007 Joseph Bohanon; LLR; OpenPFGW
n = 814158 245089 digits Mar 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 862436 259622 digits Aug 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1022634 307846 digits Nov 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1962288 590710 digits Jul 2013 Yuma Hayashi; PSieve; srsieve; PrimeGrid; LLR
n = 3850344 1159072 digits Dec 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4965756 1494844 digits Apr 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5049344 1520007 digits May 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 177
max n: 5.999.999
n = 2 3 digits
n = 4 4 digits
n = 6 5 digits
n = 12 6 digits
n = 16 8 digits
n = 20 9 digits
n = 23 10 digits
n = 32 12 digits
n = 38 14 digits
n = 48 17 digits
n = 54 19 digits
n = 60 21 digits
n = 100 33 digits
n = 116 38 digits
n = 118 38 digits
n = 119 39 digits
n = 140 45 digits
n = 150 48 digits
n = 163 52 digits
n = 170 54 digits
n = 190 60 digits
n = 244 76 digits
n = 271 84 digits
n = 294 91 digits
n = 299 93 digits
n = 320 99 digits
n = 334 103 digits
n = 414 127 digits
n = 439 135 digits
n = 442 136 digits
n = 468 144 digits
n = 724 221 digits
n = 794 242 digits
n = 842 256 digits
n = 864 263 digits
n = 1032 313 digits
n = 1750 530 digits
n = 2050 620 digits
n = 3980 1201 digits 1983 Wilfrid Keller
n = 4010 1210 digits 1984 Hiromi Suyama
n = 4756 1434 digits
n = 5096 1537 digits
n = 5963 1798 digits
n = 5966 1799 digits
n = 6836 2061 digits 1992 Harvey Dubner; Dubner Cruncher
n = 14160 4265 digits Jan 1998 Jim Buddenhagen; Proth
n = 16748 5044 digits May 1996 Patrick Demichel
n = 16844 5073 digits May 1996 Patrick Demichel
n = 19814 5967 digits Oct 1996 Patrick Demichel
n = 25398 7648 digits Oct 1997 Jim Buddenhagen; Proth
n = 37702 11352 digits Feb 1998 Ray Ballinger; Proth
n = 41148 12390 digits Feb 1998 Ray Ballinger; Proth
n = 62159 18714 digits Feb 1999 Daval Davis; Proth
n = 65806 19812 digits Feb 1998 Jeffrey Young
n = 143626 43238 digits Oct 2002 Ola Svallmark; Proth
n = 151308 45551 digits Sep 2002 Gerald C. Snyder; Proth
n = 210340 63321 digits Mar 2003 Gerald C. Snyder; Proth
n = 269320 81076 digits May 2003 Gerald C. Snyder; Proth
n = 324326 97635 digits Oct 2003 Gerald C. Snyder; Proth
n = 332846 100199 digits Dec 2003 Gerald C. Snyder; Proth
n = 333364 100355 digits Dec 2003 Gerald C. Snyder; Proth
n = 358114 107806 digits Jan 2004 Gerald C. Snyder; Proth
n = 365164 109928 digits Jan 2004 Gerald C. Snyder; Proth
n = 385438 116031 digits Jan 2004 Gerald C. Snyder; Proth
n = 419600 126315 digits Oct 2004 Gerald C. Snyder; Proth
n = 434336 130751 digits Aug 2004 Gerald C. Snyder; Proth
n = 463598 139560 digits Dec 2004 Gerald C. Snyder; Proth
n = 490500 147658 digits Jan 2005 Gerald C. Snyder; Proth
n = 501106 150851 digits Mar 2005 Gerald C. Snyder; Proth
n = 657458 197917 digits Aug 2005 Gerald C. Snyder; LLR
n = 751028 226085 digits Oct 2005 Gerald C. Snyder; LLR
n = 798443 240358 digits Nov 2005 Gerald C. Snyder; LLR
n = 1121720 337674 digits Aug 2006 Gerald C. Snyder; LLR
n = 2816050 847718 digits Feb 2012 Gerald C. Snyder; LLR
n = 3411847 1027071 digits Jan 2015 William Darney; PSieve; srsieve; PrimeGrid; LLR
n = 3717746 1119156 digits Aug 2022 Rene Schick; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4162494 1253038 digits Jul 2023 John Hall; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 179
max n: 5.999.999
n = 1 3 digits
n = 3 4 digits
n = 11 6 digits
n = 15 7 digits
n = 19 8 digits
n = 35 13 digits
n = 39 14 digits
n = 51 18 digits
n = 63 22 digits
n = 111 36 digits
n = 113 37 digits
n = 163 52 digits
n = 419 129 digits
n = 633 193 digits
n = 665 203 digits
n = 1511 458 digits
n = 1903 576 digits
n = 2335 706 digits
n = 3063 925 digits
n = 3459 1044 digits 1983 Wilfrid Keller
n = 3623 1093 digits 1983 Wilfrid Keller
n = 3655 1103 digits 1983 Wilfrid Keller
n = 4519 1363 digits 1984 Hiromi Suyama
n = 7855 2367 digits 1992 Harvey Dubner; Dubner Cruncher
n = 10219 3079 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13881 4181 digits Jan 1998 Jim Buddenhagen; Proth
n = 17063 5139 digits May 1996 Patrick Demichel
n = 20783 6259 digits Oct 1996 Patrick Demichel
n = 20833 6274 digits Oct 1996 Patrick Demichel
n = 39665 11943 digits Apr 1998 Skip Key; Proth
n = 55711 16773 digits Jul 1998 Skip Key; Proth
n = 91471 27538 digits Aug 1999 Dan Morenus; Proth
n = 150905 45430 digits
n = 165193 49731 digits
n = 168715 50791 digits
n = 172575 51953 digits Jun 2000 Michael Carpenter; Proth
n = 179171 53939 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 429871 129407 digits Apr 2006 Hans Overmann; Proth
n = 548291 165055 digits Jul 2007 Joseph Bohanon; LLR; OpenPFGW
n = 623635 187736 digits Jul 2007 Joseph Bohanon; LLR; OpenPFGW
n = 1082249 325792 digits Jul 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1224019 368469 digits Jan 2012 Graeme Pinnock; PSieve; srsieve; PrimeGrid; LLR
n = 1457415 438728 digits Jan 2012 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 2352291 708113 digits Oct 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3150265 948327 digits Dec 2021 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3371145 1014819 digits Oct 2014 Patrick Martin; PSieve; srsieve; PrimeGrid; LLR
n = 5894939 1774556 digits Feb 2025 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 181
max n: 5.999.999
n = 4 4 digits
n = 8 5 digits
n = 32 12 digits
n = 200 63 digits
n = 272 85 digits
n = 416 128 digits
n = 484 148 digits
n = 788 240 digits
n = 3560 1074 digits 1983 Wilfrid Keller
n = 6628 1998 digits
n = 44392 13366 digits Sep 1997 Henri Lifchitz; Proth
n = 64264 19348 digits Sep 1997 Henri Lifchitz; Proth
n = 75832 22830 digits Jul 1999 Bruce Ziemienski; Proth
n = 80440 24218 digits Jul 1999 Bruce Ziemienski; Proth
n = 94112 28333 digits Jul 1999 Bruce Ziemienski; Proth
n = 315104 94859 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 359404 108194 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 428576 129017 digits Feb 2006 Mark Rodenkirch; NewPGen; LLR
n = 608192 183087 digits Aug 2007 Joseph Bohanon; LLR; OpenPFGW
n = 1209572 364120 digits Dec 2011 Andrew Webster; PSieve; srsieve; PrimeGrid; LLR
n = 5057960 1522600 digits May 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 183
max n: 5.999.999
n = 1 3 digits
n = 2 3 digits
n = 5 4 digits
n = 10 6 digits
n = 21 9 digits
n = 34 13 digits
n = 61 21 digits
n = 72 24 digits
n = 157 50 digits
n = 169 54 digits
n = 193 61 digits
n = 216 68 digits
n = 389 120 digits
n = 464 142 digits
n = 596 182 digits
n = 657 201 digits
n = 794 242 digits
n = 1289 391 digits
n = 1616 489 digits
n = 1736 525 digits
n = 1994 603 digits
n = 2344 708 digits
n = 3024 913 digits
n = 4084 1232 digits 1984 Hiromi Suyama
n = 4420 1333 digits 1984 Hiromi Suyama
n = 5840 1761 digits
n = 6481 1954 digits
n = 12010 3618 digits
n = 12521 3772 digits
n = 12920 3892 digits
n = 13762 4146 digits Jul 1997 Jim Buddenhagen; Proth
n = 15652 4714 digits
n = 17480 5265 digits Jul 1996 Patrick Demichel
n = 17800 5361 digits Jul 1996 Patrick Demichel
n = 22514 6780 digits 1996 Patrick Demichel
n = 25193 7587 digits Mar 1998 Ray Ballinger; Proth
n = 40989 12342 digits
n = 55565 16729 digits Nov 1998 Olivier Dodinval; Proth
n = 57440 17294 digits Nov 1998 Olivier Dodinval; Proth
n = 88409 26617 digits Oct 1999 Dan Morenus; Proth
n = 92146 27741 digits Oct 1999 Dan Morenus; Proth
n = 123964 37320 digits Feb 1998 Jeffrey Young
n = 150485 45303 digits
n = 163953 49358 digits
n = 180292 54276 digits Aug 2004 Jim Fougeron; OpenPFGW
n = 219312 66022 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 233533 70303 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 255949 77051 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 268732 80899 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 383364 115407 digits Sep 2005 Darren Bedwell; NewPGen; LLR
n = 427120 128579 digits Sep 2005 Darren Bedwell; NewPGen; LLR
n = 431901 130018 digits Sep 2005 Darren Bedwell; NewPGen; LLR
n = 482384 145215 digits Oct 2005 Darren Bedwell; NewPGen; LLR
n = 583114 175538 digits Jul 2007 Joseph Bohanon; LLR; OpenPFGW
n = 737805 222104 digits Jul 2007 Joseph Bohanon; LLR; OpenPFGW
n = 809866 243797 digits Mar 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 902241 271604 digits Oct 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1605657 483354 digits Feb 2013 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1649506 496554 digits Feb 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1747660 526101 digits Mar 2013 Bart van Rooijen; PSieve; srsieve; PrimeGrid; LLR
n = 2545116 766159 digits Jan 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2626442 790641 digits Feb 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2850321 858035 digits Jun 2015 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 4379002 1318214 digits Nov 2023 Will Steinbach; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4740056 1426902 digits Feb 2024 Jonathan Bush; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4894125 1473281 digits Mar 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5042357 1517903 digits May 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5814122 1750228 digits Jan 2025 Mariusz Ługowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 185
max n: 5.999.999
n = 3 4 digits
n = 21 9 digits
n = 497 152 digits
n = 707 216 digits
n = 933 284 digits
n = 963 293 digits
n = 1187 360 digits
n = 1337 405 digits
n = 2633 795 digits
n = 2993 904 digits
n = 3963 1196 digits 1983 Wilfrid Keller
n = 4947 1492 digits 1986 Hiromi Suyama
n = 5177 1561 digits
n = 11883 3580 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 98627 29692 digits Nov 1999 Pavlos Saridis; Proth
n = 235673 70947 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 375723 113107 digits Oct 2005 Darren Bedwell; NewPGen; OpenPFGW; LLR
n = 384747 115823 digits Oct 2005 Darren Bedwell; NewPGen; LLR
n = 681393 205122 digits Aug 2007 Joseph Bohanon; LLR; OpenPFGW
n = 2235003 672806 digits Sep 2014 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
k: 187
max n: 5.999.999
n = 6 5 digits
n = 12 6 digits
n = 48 17 digits
n = 82 27 digits
n = 126 41 digits
n = 186 59 digits
n = 732 223 digits
n = 1926 583 digits
n = 2802 846 digits
n = 6712 2023 digits 1992 Harvey Dubner; Dubner Cruncher
n = 10026 3021 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16062 4838 digits
n = 17790 5358 digits Jul 1996 Patrick Demichel
n = 18156 5468 digits Oct 1996 Patrick Demichel
n = 67878 20436 digits Jun 1998 Harvey Dubner; Proth
n = 176316 53079 digits Aug 2004 Jim Fougeron; OpenPFGW
n = 194950 58689 digits Aug 2004 Jim Fougeron; OpenPFGW
n = 231112 69574 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 239832 72199 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 494602 148893 digits Jan 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 497926 149893 digits Jan 2009 Patrick Schöfer; srsieve; PrimeGrid; LLR
n = 693012 208620 digits Aug 2007 Joseph Bohanon; LLR; OpenPFGW
n = 788640 237407 digits Aug 2007 Joseph Bohanon; LLR; OpenPFGW
n = 2249974 677312 digits Sep 2014 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 3212152 966957 digits Mar 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3723972 1121030 digits Aug 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 189
max n: 5.999.999
n = 1 3 digits
n = 2 3 digits
n = 6 5 digits
n = 9 5 digits
n = 17 8 digits
n = 39 15 digits
n = 45 16 digits
n = 95 31 digits
n = 359 111 digits
n = 526 161 digits
n = 609 186 digits
n = 783 238 digits
n = 818 249 digits
n = 917 279 digits
n = 1445 438 digits
n = 1590 481 digits
n = 1606 486 digits
n = 1861 563 digits
n = 2037 616 digits
n = 3538 1068 digits 1983 Wilfrid Keller
n = 3730 1126 digits 1983 Wilfrid Keller
n = 6186 1865 digits
n = 7482 2255 digits 1992 Harvey Dubner; Dubner Cruncher
n = 11801 3555 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 12162 3664 digits
n = 23838 7179 digits 1996 Patrick Demichel
n = 25785 7765 digits Mar 1998 Ray Ballinger; Proth
n = 27565 8301 digits Mar 1998 Ray Ballinger; Proth
n = 30666 9234 digits Feb 1998 Chris St.Clair; Proth
n = 37033 11151 digits Jun 1998 Harvey Dubner; Proth
n = 37518 11297 digits Jun 1998 Harvey Dubner; Proth
n = 52082 15681 digits Jun 1998 Harvey Dubner; Proth
n = 74127 22317 digits Aug 1999 Michael W. O'Brien; Proth
n = 90061 27114 digits Sep 1999 Dan Morenus; Proth
n = 133599 40220 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 219966 66219 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 238202 71709 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 241297 72640 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 280502 84442 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 632049 190268 digits Sep 2007 Joseph Bohanon; LLR; OpenPFGW
n = 724746 218173 digits Sep 2007 Joseph Bohanon; LLR; OpenPFGW
n = 845142 254416 digits Aug 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 943329 283973 digits Nov 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1014433 305378 digits May 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1115090 335678 digits Jun 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 2115473 636824 digits Jan 2014 Bill Cavnaugh; PSieve; srsieve; PrimeGrid; LLR
n = 2299959 692359 digits Oct 2014 John R H Graham; PSieve; srsieve; PrimeGrid; LLR
n = 2630487 791858 digits Feb 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3596375 1082620 digits Feb 2016 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 5932506 1785865 digits Feb 2025 Sanghyeok Lee; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 191
max n: 5.999.999
n = 1 3 digits
n = 5 4 digits
n = 15 7 digits
n = 19 9 digits
n = 41 15 digits
n = 59 21 digits
n = 89 30 digits
n = 149 48 digits
n = 167 53 digits
n = 181 57 digits
n = 201 63 digits
n = 295 92 digits
n = 475 146 digits
n = 481 148 digits
n = 857 261 digits
n = 1249 379 digits
n = 1409 427 digits
n = 1715 519 digits
n = 1995 603 digits
n = 8291 2499 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11031 3323 digits 1993 Harvey Dubner; Dubner Cruncher
n = 26219 7895 digits Mar 1998 Ray Ballinger; Proth
n = 38029 11451 digits Sep 1998 Ray Ballinger; Proth
n = 39155 11790 digits Sep 1998 Ray Ballinger; Proth
n = 61747 18590 digits Oct 1998 David W Linton; Proth
n = 73855 22235 digits Nov 1998 David W Linton; Proth
n = 168707 50789 digits
n = 180559 54356 digits Aug 2004 Jim Fougeron; OpenPFGW
n = 266997 80377 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 366215 110244 digits Jul 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 449381 135280 digits Mar 2008 Mark Rodenkirch; NewPGen; LLR
n = 552085 166197 digits Oct 2007 Joseph Bohanon; LLR; OpenPFGW
n = 585377 176219 digits Oct 2007 Joseph Bohanon; LLR; OpenPFGW
n = 903061 271851 digits Sep 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1099867 331096 digits Jan 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1487775 447868 digits Mar 2012 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 1496507 450496 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 1567005 471718 digits Feb 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1766221 531688 digits Mar 2013 Charley Gielkens; PSieve; srsieve; PrimeGrid; LLR
n = 1916611 576960 digits Jul 2013 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 2504121 753818 digits Jan 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3548117 1068092 digits Oct 2015 Roman Azarenko; PSieve; srsieve; PrimeGrid; LLR
n = 4099097 1233954 digits May 2023 David Åkesson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5531015 1665004 digits Nov 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 193
max n: 5.999.999
n = 2 3 digits
n = 4 4 digits
n = 8 5 digits
n = 12 6 digits
n = 24 10 digits
n = 28 11 digits
n = 30 12 digits
n = 70 24 digits
n = 82 27 digits
n = 100 33 digits
n = 124 40 digits
n = 134 43 digits
n = 434 133 digits
n = 478 147 digits
n = 540 165 digits
n = 708 216 digits
n = 952 289 digits
n = 1052 319 digits
n = 1070 325 digits
n = 1528 463 digits
n = 1804 546 digits
n = 2568 776 digits
n = 2914 880 digits
n = 3712 1120 digits 1983 Wilfrid Keller
n = 16582 4994 digits
n = 17342 5223 digits Jul 1996 Patrick Demichel
n = 23368 7037 digits Mar 1998 Ray Ballinger; Proth
n = 23942 7210 digits Mar 1998 Ray Ballinger; Proth
n = 29404 8854 digits
n = 35998 10839 digits Jun 1998 Ray Ballinger; Proth
n = 72174 21729 digits Jul 1998 Lars A Carlen; Proth
n = 142022 42756 digits Apr 2003 Ray Ballinger; Proth
n = 160658 48366 digits Jun 2003 Pavlos Saridis; Proth
n = 177768 53516 digits Jun 2003 Pavlos Saridis; Proth
n = 215140 64766 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 238092 71676 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 313540 94388 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 461470 138919 digits May 2006 Mark Rodenkirch; NewPGen; LLR
n = 484500 145852 digits May 2006 Mark Rodenkirch; NewPGen; LLR
n = 868328 261396 digits Sep 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 880188 264966 digits Sep 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1679938 505715 digits Feb 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1728894 520452 digits Mar 2013 Takeshi Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 1940804 584243 digits Jul 2013 Guido Stein; PSieve; srsieve; PrimeGrid; LLR
n = 2139400 644026 digits Feb 2014 William Beard; PSieve; srsieve; PrimeGrid; LLR
n = 2858812 860591 digits Jun 2015 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
n = 3142150 945884 digits Dec 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3329782 1002367 digits Jul 2014 Raymond Ottusch; PSieve; srsieve; PrimeGrid; LLR
n = 5431414 1635021 digits Oct 2024 Sascha Beat Dinkel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 195
max n: 5.999.999
n = 4 4 digits
n = 8 5 digits
n = 13 7 digits
n = 14 7 digits
n = 20 9 digits
n = 31 12 digits
n = 38 14 digits
n = 70 24 digits
n = 80 27 digits
n = 86 29 digits
n = 110 36 digits
n = 125 40 digits
n = 140 45 digits
n = 170 54 digits
n = 179 57 digits
n = 230 72 digits
n = 338 105 digits
n = 365 113 digits
n = 374 115 digits
n = 517 158 digits
n = 860 262 digits
n = 944 287 digits
n = 1045 317 digits
n = 1270 385 digits
n = 1861 563 digits
n = 3623 1093 digits 1983 Wilfrid Keller
n = 4414 1332 digits 1986 Hiromi Suyama
n = 10448 3148 digits 1993 Harvey Dubner; Dubner Cruncher
n = 27766 8361 digits Mar 1998 Ray Ballinger; Proth
n = 30836 9285 digits Mar 1998 Ray Ballinger; Proth
n = 34666 10438 digits Jun 1998 Ray Ballinger; Proth
n = 39826 11992 digits Jun 1998 Ray Ballinger; Proth
n = 55763 16789 digits
n = 59260 17842 digits
n = 70228 21144 digits Feb 1998 Jeffrey Young
n = 71590 21554 digits May 1998 Lars A Carlen; Proth
n = 76618 23067 digits
n = 130388 39253 digits Feb 1998 Jeffrey Young
n = 189499 57048 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 196303 59096 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 202307 60903 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 239773 72182 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 240110 72283 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 265954 80063 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 422195 127096 digits Dec 2005 Darren Bedwell; NewPGen; OpenPFGW; LLR
n = 465427 140110 digits Jan 2006 Darren Bedwell; NewPGen; LLR
n = 478255 143972 digits Jan 2006 Darren Bedwell; NewPGen; LLR
n = 550148 165614 digits Oct 2007 Joseph Bohanon; LLR; OpenPFGW
n = 585988 176403 digits Oct 2007 Joseph Bohanon; LLR; OpenPFGW
n = 894187 269180 digits Oct 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1349818 406338 digits Jan 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1354264 407677 digits Jan 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 2018866 607742 digits Jan 2014 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 2023030 608996 digits Jan 2014 Satoshi Sasaki; PSieve; srsieve; PrimeGrid; LLR
n = 2044789 615546 digits Jan 2014 Joshua Green; PSieve; srsieve; PrimeGrid; LLR
n = 2972947 894949 digits Sep 2015 Jay Parangalan; PSieve; srsieve; PrimeGrid; LLR
n = 3301018 993708 digits Jul 2022 Bill Michael; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3486379 1049507 digits May 2015 Naoki Yoshioka; PSieve; srsieve; PrimeGrid; LLR
n = 4304861 1295895 digits Sep 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4330189 1303520 digits Oct 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4887935 1471418 digits Mar 2024 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5841059 1758337 digits Jan 2025 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 197
max n: 5.999.999
n = 15 7 digits
n = 19 9 digits
n = 35 13 digits
n = 55 19 digits
n = 59 21 digits
n = 115 37 digits
n = 163 52 digits
n = 371 114 digits
n = 1175 357 digits
n = 3047 920 digits
n = 5615 1693 digits
n = 7855 2367 digits 1992 Harvey Dubner; Dubner Cruncher
n = 9155 2759 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16467 4960 digits
n = 22303 6717 digits
n = 32879 9900 digits Jun 1998 Harvey Dubner; Proth
n = 66123 19908 digits Jun 1998 Harvey Dubner; Proth
n = 70619 21261 digits Jun 1998 Lars A Carlen; Proth
n = 85607 25773 digits Oct 1999 Dan Morenus; Proth
n = 117047 35237 digits May 2000 Dan Morenus; Proth
n = 238083 71673 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 354335 106668 digits Jan 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1502095 452178 digits Jan 2013 Paul Lantinga; PSieve; srsieve; PrimeGrid; LLR
n = 1568755 472245 digits Feb 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1830255 550964 digits Mar 2013 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 2244347 675619 digits Sep 2014 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 3126343 941126 digits Nov 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3477399 1046804 digits Apr 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 4666979 1404903 digits Feb 2024 Jonathan Sipes; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 199
max n: 5.999.999
n = 2 3 digits
n = 14 7 digits
n = 18 8 digits
n = 126 41 digits
n = 134 43 digits
n = 854 260 digits
n = 1302 395 digits
n = 22562 6795 digits
n = 42078 12670 digits Jun 1998 Harvey Dubner; Proth
n = 44702 13459 digits Jun 1998 Harvey Dubner; Proth
n = 44942 13532 digits Jun 1998 Harvey Dubner; Proth
n = 60738 18287 digits Jun 1998 Harvey Dubner; Proth
n = 267614 80563 digits Nov 2004 Jim Fougeron; OpenPFGW
k: 201
max n: 5.999.999
n = 3 4 digits
n = 4 4 digits
n = 9 6 digits
n = 60 21 digits
n = 72 24 digits
n = 75 25 digits
n = 84 28 digits
n = 348 108 digits
n = 592 181 digits
n = 1348 409 digits
n = 1380 418 digits
n = 1632 494 digits
n = 1855 561 digits
n = 2335 706 digits
n = 4528 1366 digits 1986 Hiromi Suyama
n = 9813 2957 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17103 5151 digits
n = 28935 8713 digits Mar 1998 Ray Ballinger; Proth
n = 34023 10245 digits Jun 1998 Harvey Dubner; Proth
n = 100459 30244 digits Aug 1998 V.S. Wighman; Proth
n = 243544 73317 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 281865 84853 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 371844 111939 digits Feb 2005 Souichi Murata; NewPGen; PRP; Proth
n = 648792 195309 digits Jan 2009 Steven Harvey; srsieve; PrimeGrid; LLR; OpenPFGW
n = 812035 244450 digits Nov 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 886480 266860 digits Dec 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 2080464 626285 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 4146003 1248074 digits Jun 2023 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 203
max n: 5.999.999
n = 13 7 digits
n = 25 10 digits
n = 29 12 digits
n = 33 13 digits
n = 45 16 digits
n = 57 20 digits
n = 65 22 digits
n = 153 49 digits
n = 197 62 digits
n = 245 77 digits
n = 637 195 digits
n = 1785 540 digits
n = 1917 580 digits
n = 2045 618 digits
n = 4925 1485 digits
n = 5313 1602 digits
n = 7449 2245 digits 1992 Harvey Dubner; Dubner Cruncher
n = 8437 2543 digits 1993 Harvey Dubner; Dubner Cruncher
n = 23645 7121 digits Mar 1998 Ray Ballinger; Proth
n = 28273 8514 digits Mar 1998 Ray Ballinger; Proth
n = 34217 10303 digits Jun 1998 Tadashi Taura; Proth
n = 40189 12101 digits Jun 1998 Tadashi Taura; Proth
n = 135125 40679 digits May 1999 Bryan McIntyre; Proth
n = 141477 42592 digits May 1999 Max Bennedich; Unspecified Proving Program
n = 169077 50900 digits
n = 215945 65009 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 234229 70513 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 265089 79803 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 482177 145153 digits May 2006 Hans Overmann; Proth
n = 556069 167396 digits Jul 2008 Steven Harvey; FermFact; OpenPFGW
n = 1335989 402176 digits Jan 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1357425 408628 digits Jan 2012 Brian Carpenter; PSieve; srsieve; PrimeGrid; LLR
n = 1966689 592035 digits Jul 2013 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 2526505 760557 digits Jan 2015 Dennis Bischof; PSieve; srsieve; PrimeGrid; LLR
k: 205
max n: 5.999.999
n = 2 3 digits
n = 6 5 digits
n = 26 11 digits
n = 30 12 digits
n = 40 15 digits
n = 86 29 digits
n = 126 41 digits
n = 130 42 digits
n = 150 48 digits
n = 240 75 digits
n = 786 239 digits
n = 1146 348 digits
n = 2974 898 digits
n = 5162 1557 digits
n = 5750 1734 digits
n = 14256 4294 digits
n = 30894 9303 digits Jun 1998 Tadashi Taura; Proth
n = 35622 10726 digits Jun 1998 Tadashi Taura; Proth
n = 42714 12861 digits Jun 1998 Tadashi Taura; Proth
n = 89290 26882 digits May 1999 Rachel Lewis; Proth
n = 93456 28136 digits May 1999 Rachel Lewis; Proth
n = 111926 33696 digits Oct 1999 Craig Lewis; Proth
n = 112162 33767 digits Oct 1999 Craig Lewis; Proth
n = 760450 228921 digits Feb 2010 Joerg Steinmetz; srsieve; PrimeGrid; LLR
n = 1355814 408143 digits Jan 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1358016 408806 digits Jan 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 4270310 1285494 digits Aug 2023 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5532904 1665573 digits Nov 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5805562 1747651 digits Jan 2025 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 207
max n: 5.999.999
n = 2 3 digits
n = 3 4 digits
n = 4 4 digits
n = 6 5 digits
n = 7 5 digits
n = 10 6 digits
n = 14 7 digits
n = 15 7 digits
n = 16 8 digits
n = 34 13 digits
n = 42 15 digits
n = 44 16 digits
n = 46 17 digits
n = 62 21 digits
n = 66 23 digits
n = 106 35 digits
n = 127 41 digits
n = 130 42 digits
n = 171 54 digits
n = 202 64 digits
n = 231 72 digits
n = 232 73 digits
n = 238 74 digits
n = 248 77 digits
n = 256 80 digits
n = 296 92 digits
n = 314 97 digits
n = 412 127 digits
n = 604 185 digits
n = 956 291 digits
n = 1023 311 digits
n = 1287 390 digits
n = 1454 441 digits
n = 1564 474 digits
n = 1766 534 digits
n = 2036 616 digits
n = 5215 1573 digits
n = 5911 1782 digits
n = 6092 1837 digits
n = 9190 2769 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9916 2988 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10410 3137 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13456 4053 digits Jul 1997 Jim Buddenhagen; Proth
n = 14336 4318 digits Oct 1997 Jim Buddenhagen; Proth
n = 14444 4351 digits Oct 1997 Jim Buddenhagen; Proth
n = 15490 4666 digits Oct 1997 Jim Buddenhagen; Proth
n = 30835 9285 digits Oct 1997 Jim Buddenhagen; Proth
n = 32558 9804 digits Oct 1997 Jim Buddenhagen; Proth
n = 34770 10470 digits Oct 1997 Jim Buddenhagen; Proth
n = 41218 12411 digits Jun 1998 Tadashi Taura; Proth
n = 46666 14051 digits Jun 1998 Tadashi Taura; Proth
n = 56590 17038 digits Jun 1998 Tadashi Taura; Proth
n = 58720 17679 digits Jun 1998 Tadashi Taura; Proth
n = 62966 18957 digits Feb 1998 Jeffrey Young
n = 63595 19147 digits Jun 1998 Tadashi Taura; Proth
n = 70250 21150 digits Jun 1998 Lars A Carlen; Proth
n = 128850 38791 digits Aug 1998 Tadashi Taura; Proth
n = 141556 42615 digits Jun 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 186754 56221 digits Aug 2004 Maksym Voznyy; Proth
n = 288591 86877 digits Oct 2004 Maksym Voznyy; NewPGen; Proth; OpenPFGW
n = 317203 95490 digits Mar 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 555422 167201 digits Aug 2008 Steven Harvey; FermFact; OpenPFGW
n = 755470 227422 digits Feb 2010 Ikumi Yuki; srsieve; PrimeGrid; LLR
n = 1249252 376065 digits Jan 2012 Douglas Dreher; PSieve; srsieve; PrimeGrid; LLR
n = 1471290 442905 digits Feb 2012 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1913067 575893 digits Jul 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2649810 797675 digits Feb 2015 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2903535 874054 digits Jul 2015 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 3095391 931808 digits Sep 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 209
max n: 5.999.999
n = 1 3 digits
n = 5 4 digits
n = 11 6 digits
n = 13 7 digits
n = 65 22 digits
n = 113 37 digits
n = 299 93 digits
n = 335 104 digits
n = 1235 375 digits
n = 1991 602 digits
n = 2861 864 digits
n = 3295 995 digits
n = 3343 1009 digits 1984 Hiromi Suyama
n = 3901 1177 digits 1984 Hiromi Suyama
n = 5545 1672 digits
n = 9125 2750 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10769 3245 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14303 4308 digits
n = 19433 5853 digits Oct 1996 Patrick Demichel
n = 28535 8593 digits Mar 1998 Ray Ballinger; Proth
n = 76855 23138 digits Nov 1998 Olivier Dodinval; Proth
n = 206821 62262 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 207223 62383 digits Nov 2004 Jim Fougeron; OpenPFGW
n = 530729 159768 digits Apr 2008 Steven Harvey; FermFact; OpenPFGW
n = 1172111 352843 digits Dec 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1992071 599676 digits Jul 2013 Ken Micom; PSieve; srsieve; PrimeGrid; LLR
k: 211
max n: 5.999.999
n = 20 9 digits
n = 28 11 digits
n = 32 12 digits
n = 192 61 digits
n = 380 117 digits
n = 1408 427 digits
n = 1672 506 digits
n = 2736 826 digits
n = 6276 1892 digits
n = 8140 2453 digits 1993 Harvey Dubner; Dubner Cruncher
n = 31156 9382 digits May 1998 John F. (Jack) Brennen; Proth
n = 40036 12055 digits Jun 1998 John F. (Jack) Brennen; Proth
n = 166252 50050 digits
n = 287388 86515 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 449788 135403 digits Nov 2006 Hans Overmann; Proth
n = 456840 137525 digits Nov 2006 Hans Overmann; Proth
k: 213
max n: 5.999.999
n = 2 3 digits
n = 6 5 digits
n = 14 7 digits
n = 17 8 digits
n = 36 14 digits
n = 62 21 digits
n = 80 27 digits
n = 84 28 digits
n = 156 50 digits
n = 726 221 digits
n = 866 264 digits
n = 2234 675 digits
n = 4274 1289 digits
n = 5972 1801 digits
n = 17054 5137 digits May 1996 Patrick Demichel
n = 17462 5259 digits Jul 1996 Patrick Demichel
n = 21630 6514 digits Oct 1996 Patrick Demichel
n = 145146 43696 digits
n = 217950 65612 digits May 2004 Ray Ballinger; Proth
n = 391026 117713 digits Nov 2006 Hans Overmann; Proth
n = 546146 164409 digits Sep 2008 Steven Harvey; FermFact; OpenPFGW
n = 573332 172593 digits Mar 2009 James Pendry; srsieve; PrimeGrid; LLR
n = 906152 272782 digits Oct 2009 Ruediger K. Eckhard; LLR
n = 978900 294681 digits Jun 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1728569 520354 digits Mar 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2226329 670195 digits Sep 2014 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 3807864 1146284 digits Oct 2022 Arne Sielemann; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3990702 1201324 digits Mar 2023 Kenneth J. Brazier; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4625484 1392412 digits Feb 2024 Martin Garnier; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4865126 1464552 digits Mar 2024 Michael Kwok; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 215
max n: 5.499.999
n = 1 3 digits
n = 3 4 digits
n = 171 54 digits
n = 585 179 digits
n = 1161 352 digits
n = 1623 491 digits
n = 5511 1662 digits
n = 7893 2379 digits 1992 Harvey Dubner; Dubner Cruncher
n = 11133 3354 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12363 3724 digits
n = 25381 7643 digits Mar 1998 Ray Ballinger; Proth
n = 67717 20388 digits Dec 1998 Daval Davis; Proth
n = 146853 44210 digits Jul 1999 Sébastien Desnault; Proth
n = 260991 78569 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 953677 287088 digits May 2010 Steven Harvey; srsieve; PrimeGrid; LLR
k: 217
max n: 5.499.999
n = 66 23 digits
n = 84 28 digits
n = 880 268 digits
n = 3344 1009 digits 1983 Hiromi Suyama
n = 4440 1339 digits
n = 10148 3058 digits 1993 Harvey Dubner; Dubner Cruncher
n = 18084 5447 digits Oct 1996 Patrick Demichel
n = 18210 5485 digits
n = 28380 8546 digits Mar 1998 Ray Ballinger; Proth
n = 35296 10628 digits Mar 1998 Ray Ballinger; Proth
n = 335826 101097 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 546500 164516 digits Oct 2008 Steven Harvey; FermFact; OpenPFGW
n = 570616 171775 digits Mar 2009 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 624208 187908 digits Apr 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 670496 201842 digits Aug 2009 Steven Bielecki; srsieve; PrimeGrid; LLR
n = 1690664 508943 digits Mar 2013 Olaf Niermann; PSieve; srsieve; PrimeGrid; LLR
n = 2264546 681699 digits Sep 2014 Masumi Hamada; PSieve; srsieve; PrimeGrid; LLR
k: 219
max n: 5.499.999
n = 1 3 digits
n = 2 3 digits
n = 3 4 digits
n = 9 6 digits
n = 13 7 digits
n = 14 7 digits
n = 17 8 digits
n = 21 9 digits
n = 22 9 digits
n = 25 10 digits
n = 27 11 digits
n = 51 18 digits
n = 58 20 digits
n = 99 33 digits
n = 138 44 digits
n = 197 62 digits
n = 325 101 digits
n = 386 119 digits
n = 413 127 digits
n = 475 146 digits
n = 529 162 digits
n = 771 235 digits
n = 826 251 digits
n = 1114 338 digits
n = 1981 599 digits
n = 2249 680 digits
n = 2333 705 digits
n = 2673 807 digits
n = 3171 957 digits
n = 3534 1067 digits
n = 5214 1572 digits
n = 7197 2169 digits 1992 Harvey Dubner; Dubner Cruncher
n = 7275 2193 digits 1992 Harvey Dubner; Dubner Cruncher
n = 9307 2805 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16321 4916 digits
n = 16851 5075 digits May 1996 Patrick Demichel
n = 17993 5419 digits Oct 1996 Patrick Demichel
n = 18753 5648 digits Oct 1996 Patrick Demichel
n = 19825 5971 digits Oct 1996 Patrick Demichel
n = 26165 7879 digits Mar 1998 Yves Gallot; Proth
n = 27477 8274 digits Mar 1998 Yves Gallot; Proth
n = 27997 8431 digits Mar 1998 Yves Gallot; Proth
n = 33253 10013 digits Apr 1998 David Hanson; Proth
n = 64537 19430 digits Jan 1999 Daval Davis; Proth
n = 64694 19478 digits Jan 1999 Daval Davis; Proth
n = 71259 21454 digits Jul 1998 Lars A Carlen; Proth
n = 134666 40541 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 226029 68044 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 297474 89551 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 300482 90457 digits Jan 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 431165 129796 digits Aug 2006 Ruediger K. Eckhard; LLR
n = 482782 145335 digits Feb 2007 Hans Overmann; Proth
n = 565209 170148 digits Mar 2009 Mark Codding; srsieve; PrimeGrid; LLR
n = 916021 275753 digits Nov 2009 Ruediger K. Eckhard; LLR
n = 1015602 305730 digits Nov 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1029643 309956 digits Dec 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1398411 420966 digits Jan 2012 James P. Burt; PSieve; srsieve; PrimeGrid; LLR
n = 1560099 469639 digits Feb 2013 Tetsuya Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 2676229 805628 digits Feb 2015 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 3286614 989372 digits Jul 2022 John T Marshall; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4354805 1310930 digits Nov 2023 Davide Bressani; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4394846 1322983 digits Dec 2023 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 221
max n: 5.499.999
n = 1 3 digits
n = 7 5 digits
n = 9 6 digits
n = 13 7 digits
n = 21 9 digits
n = 67 23 digits
n = 77 26 digits
n = 81 27 digits
n = 89 30 digits
n = 101 33 digits
n = 117 38 digits
n = 131 42 digits
n = 161 51 digits
n = 181 57 digits
n = 229 72 digits
n = 641 196 digits
n = 753 230 digits
n = 789 240 digits
n = 911 277 digits
n = 1351 410 digits
n = 1461 443 digits
n = 1819 550 digits
n = 2391 723 digits
n = 2951 891 digits
n = 4381 1322 digits
n = 4531 1367 digits
n = 5633 1699 digits
n = 6577 1983 digits
n = 6671 2011 digits Mar 1996 Patrick Demichel
n = 8521 2568 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10059 3031 digits
n = 10453 3150 digits
n = 13571 4088 digits Jul 1997 Jim Buddenhagen; Proth
n = 15427 4647 digits Apr 1998 Karl E. Wimmer; Proth
n = 15541 4681 digits
n = 15969 4810 digits
n = 16601 5000 digits Mar 1996 Patrick Demichel
n = 49013 14757 digits Nov 1998 David Hanson; Proth
n = 69831 21024 digits Dec 1998 David W Linton; Proth
n = 118213 35589 digits Dec 1998 David W Linton; Proth
n = 134709 40554 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 135281 40726 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 180973 54481 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 271961 81871 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 324567 97707 digits Apr 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 387267 116582 digits Feb 2007 Hans Overmann; Proth
n = 406013 122225 digits Aug 2006 Steven Harvey; FermFact; OpenPFGW
n = 473029 142399 digits Mar 2007 Hans Overmann; Proth
n = 1025619 308745 digits Nov 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1889983 568944 digits Jul 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1940211 584065 digits Jul 2013 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
n = 2248363 676828 digits Sep 2014 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 3992723 1201932 digits Mar 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4578577 1378292 digits Feb 2024 Uwe Hass; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4960867 1493373 digits Apr 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5284643 1590839 digits Aug 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 223
max n: 5.499.999
n = 8 5 digits
n = 10 6 digits
n = 22 9 digits
n = 44 16 digits
n = 58 20 digits
n = 62 22 digits
n = 68 23 digits
n = 82 28 digits
n = 100 33 digits
n = 104 34 digits
n = 118 38 digits
n = 230 72 digits
n = 260 81 digits
n = 440 135 digits
n = 446 137 digits
n = 512 157 digits
n = 700 214 digits
n = 892 271 digits
n = 932 283 digits
n = 1240 376 digits
n = 1456 441 digits
n = 2438 737 digits
n = 4982 1503 digits
n = 5090 1535 digits
n = 6496 1958 digits
n = 14678 4421 digits
n = 17944 5405 digits Oct 1996 Patrick Demichel
n = 23786 7163 digits Mar 1998 Ray Ballinger; Proth
n = 27838 8383 digits Mar 1998 Ray Ballinger; Proth
n = 39866 12004 digits Mar 1998 Charles F. Kerchner III; Proth
n = 46322 13947 digits Mar 1998 Charles F. Kerchner III; Proth
n = 52358 15764 digits Mar 1998 Charles F. Kerchner III; Proth
n = 61700 18576 digits Apr 1998 Charles F. Kerchner III; Proth
n = 68584 20649 digits Apr 1998 Charles F. Kerchner III; Proth
n = 78244 23557 digits Apr 1998 Charles F. Kerchner III; Proth
n = 180410 54312 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 397096 119541 digits Mar 2007 Hans Overmann; Proth
n = 404962 121909 digits Aug 2006 Steven Harvey; FermFact; OpenPFGW
n = 693656 208814 digits Nov 2009 Bernie Bernardi; srsieve; PrimeGrid; LLR
n = 803446 241864 digits Dec 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 871438 262332 digits Jan 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1065400 320720 digits Sep 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1356316 408295 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 2007748 604395 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2430490 731653 digits Dec 2014 Scott Bedenbaugh; PSieve; srsieve; PrimeGrid; LLR
n = 2538080 764041 digits Jan 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 4252660 1280181 digits Aug 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4549924 1369666 digits Feb 2024 Daniel Rix; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 225
max n: 5.499.999
n = 3 4 digits
n = 6 5 digits
n = 8 5 digits
n = 9 6 digits
n = 12 6 digits
n = 13 7 digits
n = 14 7 digits
n = 19 9 digits
n = 22 9 digits
n = 32 12 digits
n = 35 13 digits
n = 37 14 digits
n = 80 27 digits
n = 86 29 digits
n = 102 34 digits
n = 118 38 digits
n = 135 43 digits
n = 159 51 digits
n = 205 65 digits
n = 269 84 digits
n = 430 132 digits
n = 435 134 digits
n = 535 164 digits
n = 547 168 digits
n = 830 253 digits
n = 1020 310 digits
n = 1030 313 digits
n = 1079 328 digits
n = 1089 331 digits
n = 1112 338 digits
n = 1189 361 digits
n = 2244 678 digits
n = 2397 724 digits
n = 4497 1357 digits
n = 5888 1775 digits
n = 9549 2877 digits 1993 Harvey Dubner; Dubner Cruncher
n = 15942 4802 digits
n = 16855 5077 digits May 1996 Patrick Demichel
n = 19736 5944 digits Oct 1996 Patrick Demichel
n = 21936 6606 digits Oct 1996 Patrick Demichel
n = 26744 8054 digits Mar 1998 Ray Ballinger; Proth
n = 26926 8108 digits Mar 1998 Ray Ballinger; Proth
n = 36744 11064 digits Feb 1998 Charles F. Kerchner III; Proth
n = 51142 15398 digits Jan 1999 Michael Hannigan; Proth
n = 53155 16004 digits Jan 1999 Michael Hannigan; Proth
n = 53532 16118 digits Jan 1999 Michael Hannigan; Proth
n = 67017 20177 digits Feb 1999 Michael Hannigan; Proth
n = 116067 34943 digits Apr 1999 Michael Hannigan; Proth
n = 118326 35623 digits
n = 122463 36868 digits Apr 1999 Michael Hannigan; Proth
n = 162720 48986 digits Oct 2003 Jay Berg; Proth
n = 174147 52426 digits Oct 2003 Jay Berg; Proth
n = 212182 63876 digits Oct 2003 Jay Berg; Proth
n = 239726 72168 digits Oct 2003 Jay Berg; Proth
n = 331990 99942 digits Mar 2005 Jim Fougeron; OpenPFGW
n = 378552 113958 digits Apr 2005 Jim Fougeron; OpenPFGW
n = 415455 125067 digits Apr 2005 Jim Fougeron; OpenPFGW
n = 446165 134312 digits May 2005 Jim Fougeron; OpenPFGW
n = 600080 180645 digits Sep 2005 Jim Fougeron; OpenPFGW
n = 605172 182178 digits Sep 2005 Jim Fougeron; OpenPFGW
n = 623720 187761 digits Oct 2005 Jim Fougeron; OpenPFGW
n = 822519 247606 digits Jan 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 899702 270840 digits Mar 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 988695 297630 digits Sep 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1268579 381883 digits Jan 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1417568 426733 digits Jan 2012 Duboi Si; PSieve; srsieve; PrimeGrid; LLR
n = 1960083 590047 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2592918 780549 digits Feb 2015 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 2851959 858528 digits Jun 2015 Woohyung Lee; PSieve; srsieve; PrimeGrid; LLR
n = 3236967 974427 digits Apr 2022 Florian Baur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4419349 1330359 digits Dec 2023 Huiwon Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 227
max n: 5.499.999
n = 11 6 digits
n = 15 7 digits
n = 35 13 digits
n = 51 18 digits
n = 83 28 digits
n = 87 29 digits
n = 99 33 digits
n = 183 58 digits
n = 4619 1393 digits
n = 4659 1405 digits
n = 6939 2092 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7503 2261 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10647 3208 digits
n = 13007 3918 digits Jan 2001 Nestor Sergio de Araujo Melo; Proth
n = 18459 5560 digits Oct 1996 Patrick Demichel
n = 19599 5903 digits Oct 1996 Patrick Demichel
n = 26363 7939 digits Mar 1998 Ray Ballinger; Proth
n = 43719 13164 digits Mar 1998 Charles F. Kerchner III; Proth
n = 53171 16009 digits Apr 1998 Charles F. Kerchner III; Proth
n = 140679 42351 digits Nov 2003 Ray Ballinger; Proth
n = 249599 75140 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 308139 92762 digits Feb 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 797603 240105 digits Dec 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1542323 464288 digits Jan 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1786779 537877 digits Mar 2013 David Sas; PSieve; srsieve; PrimeGrid; LLR
n = 5213195 1569331 digits Jul 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 229
max n: 5.499.999
n = 6 5 digits
n = 82 28 digits
n = 186 59 digits
n = 334 103 digits
n = 690 211 digits
n = 838 255 digits
n = 1146 348 digits
n = 1482 449 digits
n = 2262 684 digits
n = 5118 1544 digits
n = 5398 1628 digits
n = 6294 1898 digits
n = 9322 2809 digits 1993 Harvey Dubner; Dubner Cruncher
n = 15270 4600 digits
n = 15930 4798 digits
n = 28134 8472 digits Mar 1998 Ray Ballinger; Proth
n = 34926 10517 digits Jun 1998 Ray Ballinger; Proth
n = 47878 14416 digits May 1996 Patrick Demichel
n = 52986 15953 digits Nov 1998 Daval Davis; Proth
n = 217234 65397 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 370086 111410 digits Jun 2006 Chris Siegert; LLR
n = 484018 145707 digits Jun 2006 Chris Siegert; LLR
n = 786034 236623 digits Jun 2007 Chris Siegert; LLR
n = 1118806 336797 digits Nov 2011 Graeme Pinnock; PSieve; srsieve; PrimeGrid; LLR
n = 1818078 547299 digits Mar 2013 Oki Murai; PSieve; srsieve; PrimeGrid; LLR
n = 1956294 588906 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 231
max n: 5.499.999
n = 1 3 digits
n = 4 4 digits
n = 5 4 digits
n = 7 5 digits
n = 9 6 digits
n = 11 6 digits
n = 12 6 digits
n = 13 7 digits
n = 15 7 digits
n = 27 11 digits
n = 33 13 digits
n = 65 22 digits
n = 85 28 digits
n = 89 30 digits
n = 105 34 digits
n = 120 39 digits
n = 149 48 digits
n = 161 51 digits
n = 175 56 digits
n = 229 72 digits
n = 279 87 digits
n = 295 92 digits
n = 307 95 digits
n = 355 110 digits
n = 453 139 digits
n = 528 162 digits
n = 625 191 digits
n = 697 213 digits
n = 807 246 digits
n = 831 253 digits
n = 879 267 digits
n = 901 274 digits
n = 935 284 digits
n = 988 300 digits
n = 1265 384 digits
n = 1432 434 digits
n = 1645 498 digits
n = 1761 533 digits
n = 1899 575 digits
n = 1939 587 digits
n = 2497 755 digits
n = 3101 936 digits
n = 5176 1561 digits
n = 5181 1563 digits
n = 9809 2956 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14025 4225 digits
n = 21765 6555 digits Oct 1996 Patrick Demichel
n = 27333 8231 digits Mar 1998 Ray Ballinger; Proth
n = 35271 10620 digits Jun 1998 Ray Ballinger; Proth
n = 36717 11056 digits Jun 1998 Ray Ballinger; Proth
n = 40935 12326 digits Oct 1998 Helmut Zeisel; Proth
n = 45364 13659 digits Oct 1998 Helmut Zeisel; Proth
n = 50573 15227 digits Feb 1998 Jeffrey Young
n = 51264 15435 digits Nov 1998 Helmut Zeisel; Proth
n = 51883 15621 digits Nov 1998 Helmut Zeisel; Proth
n = 54996 16558 digits Nov 1998 Helmut Zeisel; Proth
n = 58575 17636 digits Nov 1998 Helmut Zeisel; Proth
n = 63191 19025 digits Dec 1998 Helmut Zeisel; Proth
n = 67111 20205 digits Jan 1999 Helmut Zeisel; Proth
n = 96723 29119 digits Apr 1999 Helmut Zeisel; Proth
n = 143949 43336 digits Feb 1998 Jeffrey Young
n = 163429 49200 digits Jan 2003 Helmut Zeisel; Proth
n = 276897 83357 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 311179 93677 digits Mar 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 329119 99078 digits Apr 2005 Jim Fougeron; OpenPFGW
n = 418067 125854 digits Jun 2005 Jim Fougeron; OpenPFGW
n = 516048 155349 digits Aug 2005 Jim Fougeron; OpenPFGW
n = 549235 165339 digits Sep 2005 Jim Fougeron; OpenPFGW
n = 909984 273935 digits Feb 2010 Ruediger K. Eckhard; LLR
n = 925163 278505 digits Aug 2010 Ruediger K. Eckhard; LLR
n = 1372505 413168 digits Jan 2012 Gerry Michaud; PSieve; srsieve; PrimeGrid; LLR
n = 1783821 536986 digits Mar 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 2402748 723302 digits Dec 2014 Joseph G. Unbekannt; PSieve; srsieve; PrimeGrid; LLR
n = 2489083 749292 digits Jan 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2565263 772224 digits Feb 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2860725 861167 digits Jun 2015 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 4422227 1331226 digits Dec 2023 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4552115 1370326 digits Feb 2024 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4836124 1455821 digits Mar 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 233
max n: 5.499.999
n = 1 3 digits
n = 5 4 digits
n = 9 6 digits
n = 13 7 digits
n = 17 8 digits
n = 25 10 digits
n = 33 13 digits
n = 53 19 digits
n = 57 20 digits
n = 77 26 digits
n = 521 160 digits
n = 593 181 digits
n = 609 186 digits
n = 845 257 digits
n = 917 279 digits
n = 985 299 digits
n = 1321 401 digits
n = 1801 545 digits
n = 3565 1076 digits
n = 4953 1494 digits
n = 5137 1549 digits
n = 13193 3974 digits
n = 14173 4269 digits
n = 15517 4674 digits
n = 15629 4708 digits
n = 21853 6581 digits
n = 22009 6628 digits
n = 24625 7416 digits Mar 1998 Ray Ballinger; Proth
n = 40041 12056 digits Nov 1998 Yves Gallot; Proth
n = 47797 14391 digits Nov 1998 Yves Gallot; Proth
n = 50257 15132 digits Nov 1998 Yves Gallot; Proth
n = 52433 15787 digits Nov 1998 Yves Gallot; Proth
n = 114881 34585 digits May 1999 Bryan McIntyre; Proth
n = 174785 52618 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 294485 88652 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 331321 99740 digits Jan 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 355945 107153 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 517373 155748 digits Jan 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 768241 231266 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1649741 496624 digits Feb 2013 Jeff Odom; PSieve; srsieve; PrimeGrid; LLR
n = 1662513 500469 digits Feb 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2022801 608927 digits Jan 2014 Wentao Huang; PSieve; srsieve; PrimeGrid; LLR
k: 235
max n: 5.499.999
n = 2 3 digits
n = 4 4 digits
n = 8 5 digits
n = 10 6 digits
n = 12 6 digits
n = 14 7 digits
n = 20 9 digits
n = 22 9 digits
n = 24 10 digits
n = 32 13 digits
n = 56 20 digits
n = 76 26 digits
n = 84 28 digits
n = 86 29 digits
n = 92 31 digits
n = 118 38 digits
n = 164 52 digits
n = 382 118 digits
n = 604 185 digits
n = 1148 348 digits
n = 1900 575 digits
n = 2440 737 digits
n = 2554 772 digits
n = 2798 845 digits
n = 3160 954 digits
n = 6092 1837 digits
n = 7142 2153 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14044 4231 digits
n = 14782 4453 digits
n = 21056 6341 digits Oct 1996 Patrick Demichel
n = 24852 7484 digits Mar 1998 Ray Ballinger; Proth
n = 29084 8758 digits Mar 1998 Ray Ballinger; Proth
n = 44252 13324 digits Jun 1998 Anton Oleynick; Proth
n = 46022 13857 digits Jun 1998 Anton Oleynick; Proth
n = 101318 30503 digits Oct 1998 Anton Oleynick; Proth
n = 294216 88571 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 412366 124137 digits Oct 2006 Steven Harvey; FermFact; OpenPFGW
n = 493738 148633 digits May 2007 Ruediger K. Eckhard; LLR
n = 769740 231718 digits Feb 2010 Adam Alexander; srsieve; PrimeGrid; LLR
n = 923728 278073 digits Sep 2010 Ruediger K. Eckhard; LLR
n = 1206136 363086 digits Dec 2011 Marc Koschewski; PSieve; srsieve; PrimeGrid; LLR
n = 1596836 480698 digits Feb 2013 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 2023486 609133 digits Jan 2014 John Sheridan; PSieve; srsieve; PrimeGrid; LLR
n = 3801284 1144303 digits Oct 2022 Homero Pieritz; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4013398 1208156 digits Apr 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4799708 1444859 digits Mar 2024 Benoit Da Mota; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 237
max n: 5.499.999
n = 4 4 digits
n = 10 6 digits
n = 52 19 digits
n = 58 20 digits
n = 59 21 digits
n = 68 23 digits
n = 82 28 digits
n = 115 37 digits
n = 247 77 digits
n = 647 198 digits
n = 2338 707 digits
n = 2627 794 digits
n = 4415 1332 digits
n = 8410 2535 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17098 5150 digits May 1996 Patrick Demichel
n = 38434 11573 digits Jun 1998 Tadashi Taura; Proth
n = 42739 12869 digits Jun 1998 Tadashi Taura; Proth
n = 59140 17806 digits Jul 1998 Tadashi Taura; Proth
n = 100627 30295 digits Aug 1999 Kirk Pearson; Proth
n = 104372 31422 digits Sep 1999 Kirk Pearson; Proth
n = 127363 38343 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 137767 41475 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 173551 52247 digits Sep 2004 Jim Fougeron; OpenPFGW
n = 234082 70469 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 243772 73386 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 585403 176227 digits Mar 2009 Markus Durzinsky; srsieve; PrimeGrid; LLR
n = 1710490 514912 digits Mar 2013 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 4153348 1250285 digits Jun 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5291999 1593053 digits Aug 2024 Alvaro Morera; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5315983 1600273 digits Sep 2024 James Adrian; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 239
max n: 5.499.999
n = 1 3 digits
n = 3 4 digits
n = 5 4 digits
n = 7 5 digits
n = 17 8 digits
n = 29 12 digits
n = 31 12 digits
n = 89 30 digits
n = 135 44 digits
n = 229 72 digits
n = 257 80 digits
n = 305 95 digits
n = 493 151 digits
n = 781 238 digits
n = 811 247 digits
n = 1177 357 digits
n = 1315 399 digits
n = 1709 517 digits
n = 2267 685 digits
n = 5283 1593 digits
n = 6109 1842 digits
n = 7763 2340 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7923 2388 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16481 4964 digits
n = 18457 5559 digits Oct 1996 Patrick Demichel
n = 29187 8789 digits Mar 1998 Ray Ballinger; Proth
n = 39487 11890 digits Jun 1998 Tadashi Taura; Proth
n = 53393 16076 digits Jul 1998 Tadashi Taura; Proth
n = 59905 18036 digits Jul 1998 Tadashi Taura; Proth
n = 76267 22962 digits Jan 2000 Ray Ballinger; Proth
n = 109325 32913 digits Sep 1999 Kirk Pearson; Proth
n = 278595 83868 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 307745 92643 digits Jan 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 547433 164797 digits Feb 2009 Mike Ingram; srsieve; PrimeGrid; LLR
n = 651413 196098 digits May 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 1072433 322837 digits Apr 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1936025 582804 digits Jul 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2076663 625141 digits Jan 2014 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 4795541 1443605 digits Mar 2024 Sanghyeok Lee; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 241
max n: 5.499.999
n = 36 14 digits
n = 72 25 digits
n = 288 90 digits
n = 5528 1667 digits
n = 8904 2683 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9876 2976 digits 1993 Harvey Dubner; Dubner Cruncher
n = 130992 39435 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
k: 243
max n: 5.499.999
n = 1 3 digits
n = 4 4 digits
n = 12 6 digits
n = 13 7 digits
n = 18 8 digits
n = 24 10 digits
n = 49 18 digits
n = 64 22 digits
n = 78 26 digits
n = 144 46 digits
n = 148 47 digits
n = 204 64 digits
n = 258 81 digits
n = 453 139 digits
n = 796 243 digits
n = 1309 397 digits
n = 1612 488 digits
n = 1812 548 digits
n = 3873 1169 digits
n = 4348 1312 digits
n = 6354 1916 digits
n = 7996 2410 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8536 2572 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10128 3052 digits
n = 11289 3401 digits May 1996 Patrick Demichel
n = 29544 8897 digits Mar 1998 Ray Ballinger; Proth
n = 32773 9869 digits Jun 1998 Tadashi Taura; Proth
n = 123114 37064 digits Sep 1999 Dennis Okon; Proth
n = 130998 39437 digits Sep 1999 Dennis Okon; Proth
n = 153417 46186 digits Oct 1999 Dennis Okon; Proth
n = 168093 50604 digits
n = 241602 72732 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 487938 146887 digits Oct 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 495732 149233 digits May 2007 Reto Keiser; NewPGen; OpenPFGW; LLR
n = 555984 167371 digits Sep 2007 Reto Keiser; NewPGen; OpenPFGW; LLR
n = 997537 300291 digits Nov 2008 Reto Keiser; NewPGen; OpenPFGW; LLR
n = 1177629 354505 digits Feb 2011 Reto Keiser; NewPGen; OpenPFGW; LLR
n = 1284429 386655 digits Feb 2011 Reto Keiser; NewPGen; OpenPFGW; LLR
n = 1516368 456475 digits Jan 2013 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1742689 524605 digits Mar 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2685873 808531 digits Feb 2015 Paulo Silva; PSieve; srsieve; PrimeGrid; LLR
n = 2937316 884223 digits Jul 2015 Jonathan Bubloski; PSieve; srsieve; PrimeGrid; LLR
n = 4872108 1466654 digits Mar 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 245
max n: 5.499.999
n = 1 3 digits
n = 5 4 digits
n = 9 6 digits
n = 25 10 digits
n = 69 24 digits
n = 73 25 digits
n = 99 33 digits
n = 153 49 digits
n = 163 52 digits
n = 223 70 digits
n = 273 85 digits
n = 279 87 digits
n = 331 103 digits
n = 439 135 digits
n = 445 137 digits
n = 595 182 digits
n = 601 184 digits
n = 1189 361 digits
n = 2311 699 digits
n = 3523 1063 digits
n = 3773 1139 digits
n = 5369 1619 digits
n = 6349 1914 digits
n = 8743 2635 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14083 4242 digits
n = 25225 7596 digits Mar 1998 Ray Ballinger; Proth
n = 25371 7640 digits Mar 1998 Ray Ballinger; Proth
n = 37773 11374 digits Oct 1998 Bruce Ziemienski; Proth
n = 60615 18250 digits Oct 1998 Bruce Ziemienski; Proth
n = 123471 37171 digits Nov 1998 Bruce Ziemienski; Proth
n = 136993 41242 digits Feb 1999 Bruce Ziemienski; Proth
n = 225185 67790 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 242925 73131 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 251025 75569 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 275419 82912 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 354079 106591 digits Jan 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 441021 132763 digits Apr 2007 Ruediger K. Eckhard; LLR
n = 458995 138174 digits Apr 2007 Ruediger K. Eckhard; LLR
n = 930031 279970 digits Oct 2010 Ruediger K. Eckhard; LLR
n = 2748663 827433 digits Mar 2015 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 3411973 1027109 digits Jan 2015 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 5404089 1626796 digits Sep 2024 Margus Sõmer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 247
max n: 5.499.999
n = 6 5 digits
n = 14 7 digits
n = 18 8 digits
n = 26 11 digits
n = 34 13 digits
n = 42 16 digits
n = 56 20 digits
n = 74 25 digits
n = 78 26 digits
n = 94 31 digits
n = 132 43 digits
n = 146 47 digits
n = 186 59 digits
n = 284 88 digits
n = 302 94 digits
n = 1758 532 digits
n = 1816 550 digits
n = 2336 706 digits
n = 3374 1019 digits
n = 3466 1046 digits
n = 4522 1364 digits
n = 8058 2429 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11114 3349 digits May 1996 Patrick Demichel
n = 12456 3753 digits
n = 22172 6677 digits
n = 26208 7892 digits Mar 1998 Ray Ballinger; Proth
n = 39794 11982 digits Apr 1998 Skip Key; Proth
n = 61512 18520 digits Jun 1998 Skip Key; Proth
n = 81576 24560 digits Jul 1998 Skip Key; Proth
n = 238734 71869 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 270794 81520 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 348972 105054 digits Oct 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 420034 126446 digits Jul 2006 Ruediger K. Eckhard; LLR
n = 680694 204912 digits Oct 2009 Joerg Steinmetz; srsieve; PrimeGrid; LLR
n = 682974 205599 digits Oct 2009 Willy de Zutter; srsieve; PrimeGrid; LLR
n = 964444 290329 digits Jul 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1076024 323918 digits May 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1124806 338603 digits Nov 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1158186 348652 digits Dec 2011 Mark Doom; PSieve; srsieve; PrimeGrid; LLR
n = 1786968 537934 digits Mar 2013 Kazuki Yoshikawa; PSieve; srsieve; PrimeGrid; LLR
n = 2082202 626808 digits Jan 2014 Bartlett Henderson; PSieve; srsieve; PrimeGrid; LLR
n = 2851602 858421 digits Jun 2015 Paulo Silva; PSieve; srsieve; PrimeGrid; LLR
n = 5254234 1581685 digits Aug 2024 Yegor Ryabchikov; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5477512 1648898 digits Oct 2024 Alexander E. Baranchikov; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 249
max n: 5.499.999
n = 1 3 digits
n = 2 3 digits
n = 3 4 digits
n = 6 5 digits
n = 7 5 digits
n = 10 6 digits
n = 14 7 digits
n = 15 7 digits
n = 23 10 digits
n = 34 13 digits
n = 43 16 digits
n = 50 18 digits
n = 59 21 digits
n = 79 27 digits
n = 111 36 digits
n = 114 37 digits
n = 127 41 digits
n = 142 46 digits
n = 143 46 digits
n = 145 47 digits
n = 154 49 digits
n = 159 51 digits
n = 181 57 digits
n = 187 59 digits
n = 342 106 digits
n = 474 146 digits
n = 490 150 digits
n = 510 156 digits
n = 766 233 digits
n = 789 240 digits
n = 843 257 digits
n = 1062 323 digits
n = 1370 415 digits
n = 1711 518 digits
n = 2070 626 digits
n = 5007 1510 digits
n = 5250 1583 digits
n = 5394 1627 digits
n = 8483 2557 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8587 2588 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8871 2673 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8929 2691 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9682 2917 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11146 3358 digits May 1996 Patrick Demichel
n = 12402 3736 digits
n = 13587 4093 digits Jul 1997 Jim Buddenhagen; Proth
n = 14226 4285 digits
n = 15143 4561 digits
n = 20719 6240 digits Oct 1996 Patrick Demichel
n = 21262 6403 digits Oct 1996 Patrick Demichel
n = 22019 6631 digits 1996 Patrick Demichel
n = 25695 7738 digits Mar 1998 Ray Ballinger; Proth
n = 26790 8067 digits Mar 1998 Ray Ballinger; Proth
n = 28242 8505 digits Mar 1998 Ray Ballinger; Proth
n = 35675 10742 digits Apr 1998 Skip Key; Proth
n = 49383 14869 digits May 1998 Skip Key; Proth
n = 55227 16628 digits Feb 1998 Jeffrey Young
n = 109681 33020 digits Nov 1999 Dennis Okon; Proth
n = 143926 43329 digits Apr 2001 Dennis Okon; Proth
n = 209351 63024 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 212326 63919 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 316726 95347 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 344563 103727 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 358965 108062 digits Oct 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 363214 109341 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 370341 111487 digits Dec 2006 Matt Zilmer; Proth
n = 396354 119317 digits Dec 2006 Matt Zilmer; Proth
n = 409871 123386 digits Aug 2006 Steven Harvey; FermFact; OpenPFGW
n = 540394 162678 digits Dec 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 558959 168266 digits Dec 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 560519 168736 digits Mar 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 744107 224001 digits Feb 2010 Michael Wild; srsieve; PrimeGrid; LLR
n = 761227 229155 digits Feb 2010 Patrick Schöfer; srsieve; PrimeGrid; LLR
n = 799771 240758 digits Apr 2009 Ruediger K. Eckhard; LLR
n = 832207 250522 digits Feb 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1187471 357467 digits Dec 2011 Mike Lane; PSieve; srsieve; PrimeGrid; LLR
n = 1208142 363690 digits Dec 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1681039 506046 digits Feb 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2031803 611637 digits Jan 2014 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
n = 2185003 657754 digits Feb 2014 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 2975002 895568 digits Aug 2015 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 3486411 1049517 digits May 2015 Evelyn Chew; PSieve; srsieve; PrimeGrid; LLR
n = 4351621 1309971 digits Nov 2023 Krzysztof Ostaszewski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 251
max n: 5.499.999
n = 1 3 digits
n = 11 6 digits
n = 13 7 digits
n = 17 8 digits
n = 35 13 digits
n = 77 26 digits
n = 155 50 digits
n = 325 101 digits
n = 4097 1236 digits
n = 5471 1650 digits
n = 7151 2156 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7561 2279 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9211 2776 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13535 4077 digits Jul 1997 Jim Buddenhagen; Proth
n = 14627 4406 digits
n = 18361 5530 digits Oct 1996 Patrick Demichel
n = 21815 6570 digits Mar 1998 Ray Ballinger; Proth
n = 41945 12630 digits Jun 1998 Skip Key; Proth
n = 68255 20550 digits Jun 1998 Skip Key; Proth
n = 105947 31896 digits Sep 1999 Steven Harvey; Proth
n = 119915 36101 digits Feb 2000 Dennis Okon; Proth
n = 358777 108006 digits Oct 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 748745 225398 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 843367 253882 digits Mar 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1171193 352567 digits Dec 2011 Michael D. Hittle; PSieve; srsieve; PrimeGrid; LLR
n = 2730917 822091 digits Mar 2015 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
n = 3574535 1076045 digits Jan 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3774587 1136267 digits Sep 2022 Kaede Shintani; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 253
max n: 5.499.999
n = 2 4 digits
n = 4 4 digits
n = 6 5 digits
n = 16 8 digits
n = 32 13 digits
n = 48 17 digits
n = 50 18 digits
n = 52 19 digits
n = 64 22 digits
n = 66 23 digits
n = 72 25 digits
n = 86 29 digits
n = 108 35 digits
n = 130 42 digits
n = 164 52 digits
n = 304 94 digits
n = 356 110 digits
n = 482 148 digits
n = 486 149 digits
n = 712 217 digits
n = 772 235 digits
n = 834 254 digits
n = 1196 363 digits
n = 1508 457 digits
n = 1552 470 digits
n = 1600 485 digits
n = 1754 531 digits
n = 1858 562 digits
n = 2228 674 digits
n = 3562 1075 digits
n = 3900 1177 digits
n = 4834 1458 digits
n = 10400 3134 digits
n = 26736 8051 digits Mar 1998 Ray Ballinger; Proth
n = 33700 10148 digits Nov 1998 Brandon Galbraith; Proth
n = 34276 10321 digits Nov 1998 Brandon Galbraith; Proth
n = 35860 10798 digits Nov 1998 Brandon Galbraith; Proth
n = 38152 11488 digits Nov 1998 Brandon Galbraith; Proth
n = 61256 18443 digits Sep 1998 David W Linton; Proth
n = 76828 23130 digits Oct 1998 David W Linton; Proth
n = 169312 50971 digits Apr 2001 Dennis Okon; Proth
n = 186218 56060 digits
n = 204140 61455 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 335828 101097 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 483768 145632 digits Jun 2007 Ruediger K. Eckhard; LLR
n = 485188 146059 digits Jun 2007 Ruediger K. Eckhard; LLR
n = 507316 152720 digits Jan 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 854010 257086 digits Mar 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1086068 326942 digits May 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1092256 328805 digits May 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1465908 441285 digits Jan 2012 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 2126968 640284 digits Feb 2014 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 2705844 814543 digits Feb 2015 Sylvain Charrondiere; PSieve; srsieve; PrimeGrid; LLR
n = 4358512 1312046 digits Nov 2023 Donald Hatland; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 255
max n: 5.499.999
n = 2 4 digits
n = 5 4 digits
n = 32 13 digits
n = 36 14 digits
n = 38 14 digits
n = 41 15 digits
n = 57 20 digits
n = 69 24 digits
n = 71 24 digits
n = 72 25 digits
n = 116 38 digits
n = 137 44 digits
n = 156 50 digits
n = 197 62 digits
n = 237 74 digits
n = 336 104 digits
n = 353 109 digits
n = 489 150 digits
n = 545 167 digits
n = 678 207 digits
n = 1040 316 digits
n = 1137 345 digits
n = 1217 369 digits
n = 1451 440 digits
n = 1577 478 digits
n = 1589 481 digits
n = 1836 556 digits
n = 3077 929 digits
n = 4640 1400 digits
n = 4850 1463 digits
n = 5145 1552 digits
n = 7139 2152 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7766 2341 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8051 2426 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9662 2911 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11159 3362 digits May 1996 Patrick Demichel
n = 13433 4047 digits Jul 1997 Jim Buddenhagen; Proth
n = 13763 4146 digits Jul 1997 Jim Buddenhagen; Proth
n = 15998 4819 digits
n = 16862 5079 digits May 1996 Patrick Demichel
n = 19002 5723 digits Oct 1996 Patrick Demichel
n = 25412 7653 digits Mar 1998 Ray Ballinger; Proth
n = 35558 10707 digits Jun 1998 Judson McCranie; Proth
n = 47916 14427 digits Jul 1998 Steven Whitaker; Proth
n = 48509 14606 digits Jul 1998 Steven Whitaker; Proth
n = 86900 26162 digits Feb 1998 Jeffrey Young
n = 88046 26507 digits Jul 1999 Peter JH Dodson; Proth
n = 116228 34991 digits May 1999 Daval Davis; Proth
n = 161486 48615 digits Jun 2000 Daval Davis; Proth
n = 253233 76234 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 265808 80019 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 373580 112462 digits Dec 2008 Jonathan Champ; srsieve; PrimeGrid; LLR
n = 411408 123849 digits Nov 2006 Steven Harvey; FermFact; OpenPFGW
n = 463229 139449 digits May 2007 Ruediger K. Eckhard; LLR
n = 668348 201196 digits Aug 2009 Brad Dick; srsieve; PrimeGrid; LLR
n = 883046 265826 digits Mar 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 884769 266345 digits Mar 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 942620 283760 digits Jul 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1122897 338029 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1155630 347882 digits Dec 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1275596 383996 digits Jan 2012 Kazuki Yoshikawa; PSieve; srsieve; PrimeGrid; LLR
n = 1675403 504349 digits Feb 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1765113 531355 digits Mar 2013 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 2488562 749135 digits Jan 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2668448 803286 digits Feb 2015 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 3395661 1022199 digits Dec 2014 John Christy; PSieve; srsieve; PrimeGrid; LLR
n = 3824348 1151246 digits Nov 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 257
max n: 5.499.999
n = 279 87 digits
n = 415 128 digits
n = 711 217 digits
n = 115807 34864 digits Jun 1998 Wilfrid Keller; Proth
n = 241071 72573 digits Jul 2004 Jacques Molné; Proth
k: 259
max n: 5.499.999
n = 38 14 digits
n = 70 24 digits
n = 3230 975 digits
n = 62918 18943 digits Oct 1998 David W Linton; Proth
n = 82878 24952 digits Oct 1998 David W Linton; Proth
n = 1282582 386099 digits Jan 2012 Yusup Khadjiyev; PSieve; srsieve; PrimeGrid; LLR
n = 3094582 931565 digits Sep 2021 Sascha Beat Dinkel; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4395550 1323195 digits Dec 2023 Raphaël Gervais Lavoie; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 261
max n: 5.499.999
n = 1 3 digits
n = 3 4 digits
n = 4 4 digits
n = 5 4 digits
n = 7 5 digits
n = 9 6 digits
n = 11 6 digits
n = 27 11 digits
n = 29 12 digits
n = 37 14 digits
n = 57 20 digits
n = 59 21 digits
n = 67 23 digits
n = 71 24 digits
n = 73 25 digits
n = 101 33 digits
n = 117 38 digits
n = 155 50 digits
n = 157 50 digits
n = 160 51 digits
n = 193 61 digits
n = 195 62 digits
n = 208 66 digits
n = 273 85 digits
n = 303 94 digits
n = 328 102 digits
n = 357 110 digits
n = 433 133 digits
n = 443 136 digits
n = 444 137 digits
n = 479 147 digits
n = 587 180 digits
n = 1095 333 digits
n = 1101 334 digits
n = 1149 349 digits
n = 1291 392 digits
n = 1319 400 digits
n = 1580 479 digits
n = 2065 625 digits
n = 2137 646 digits
n = 2225 673 digits
n = 2796 845 digits
n = 3025 914 digits
n = 3195 965 digits
n = 4396 1326 digits
n = 6309 1902 digits
n = 6396 1928 digits
n = 6933 2090 digits 1993 Harvey Dubner; Dubner Cruncher
n = 6955 2097 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8271 2493 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8691 2619 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10688 3220 digits
n = 11709 3528 digits
n = 11711 3528 digits
n = 12993 3914 digits Feb 1998 Ray Ballinger; Proth
n = 15120 4554 digits Feb 1998 Ray Ballinger; Proth
n = 16509 4973 digits Feb 1998 Ray Ballinger; Proth
n = 18105 5453 digits Oct 1996 Patrick Demichel
n = 20115 6058 digits Oct 1996 Patrick Demichel
n = 21685 6531 digits Oct 1996 Patrick Demichel
n = 22213 6690 digits 1996 Patrick Demichel
n = 24411 7351 digits Feb 1998 Ray Ballinger; Proth
n = 27227 8199 digits Feb 1998 Ray Ballinger; Proth
n = 41868 12606 digits Feb 1998 Ray Ballinger; Proth
n = 42201 12707 digits Feb 1998 Ray Ballinger; Proth
n = 56939 17143 digits Mar 1998 Ray Ballinger; Proth
n = 57371 17273 digits Mar 1998 Ray Ballinger; Proth
n = 61444 18499 digits Feb 1998 Ray Ballinger; Proth
n = 62445 18801 digits Mar 1998 Ray Ballinger; Proth
n = 96360 29010 digits Apr 1998 Ray Ballinger; Proth
n = 100677 30310 digits Apr 1998 Ray Ballinger; Proth
n = 107639 32405 digits Jun 1998 Ray Ballinger; Proth
n = 119447 35960 digits Jun 1998 Ray Ballinger; Proth
n = 152951 46046 digits Dec 1999 Ray Ballinger; Proth
n = 165575 49846 digits Mar 2000 Ray Ballinger; Proth
n = 231025 69548 digits Dec 2004 Jacques Molné; Proth
n = 258179 77723 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 260997 78571 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 271361 81691 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 345171 103910 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 492999 148410 digits Nov 2006 Jacques Molné; Proth
n = 715965 215530 digits Feb 2010 Edward Gordon; srsieve; PrimeGrid; LLR
n = 768815 231439 digits Feb 2010 Dustin Brase; srsieve; PrimeGrid; LLR
n = 806980 242928 digits Nov 2009 Michael Dressner; NewPGen; LLR
n = 895203 269486 digits Jan 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 933869 281125 digits May 2010 Ruediger K. Eckhard; LLR
n = 1331356 400781 digits Jan 2012 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 1586347 477541 digits Feb 2013 Melody Reifschneider; PSieve; srsieve; PrimeGrid; LLR
n = 1751160 527155 digits Mar 2013 Klaus Gundermann; PSieve; srsieve; PrimeGrid; LLR
n = 1848217 556372 digits Mar 2013 Scott Safford; PSieve; srsieve; PrimeGrid; LLR
n = 1995105 600589 digits Sep 2013 Benjamin Glasgow; PSieve; srsieve; PrimeGrid; LLR
n = 2152805 648062 digits Feb 2014 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 2671677 804258 digits Feb 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2879941 866952 digits Jun 2015 Greg Nelson; PSieve; srsieve; PrimeGrid; LLR
n = 3066009 922964 digits Jul 2021 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4106385 1236148 digits May 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 263
max n: 5.499.999
n = 29 12 digits
n = 85 29 digits
n = 605 185 digits
n = 1293 392 digits
n = 1597 484 digits
n = 27813 8375 digits May 1998 Ray Ballinger; Proth
n = 89317 26890 digits Jan 1999 Jo Yeong Uk; Proth
n = 249117 74995 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 4688269 1411313 digits Feb 2024 Daniel Rix; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 265
max n: 5.499.999
n = 2 4 digits
n = 4 4 digits
n = 16 8 digits
n = 58 20 digits
n = 70 24 digits
n = 80 27 digits
n = 158 50 digits
n = 202 64 digits
n = 322 100 digits
n = 356 110 digits
n = 616 188 digits
n = 2152 651 digits
n = 3136 947 digits
n = 3308 999 digits
n = 3626 1094 digits
n = 5930 1788 digits
n = 6046 1823 digits
n = 8930 2691 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9100 2742 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10046 3027 digits
n = 10142 3056 digits
n = 16696 5029 digits Mar 1998 Charles F. Kerchner III; Proth
n = 17996 5420 digits Oct 1996 Patrick Demichel
n = 23318 7022 digits May 1998 Ray Ballinger; Proth
n = 25900 7800 digits May 1998 Ray Ballinger; Proth
n = 39934 12024 digits Jul 1998 Harvey Dubner; Proth
n = 63794 19207 digits Jul 1998 Harvey Dubner; Proth
n = 69260 20852 digits Jul 1998 Harvey Dubner; Proth
n = 300632 90502 digits Jan 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 302248 90989 digits Feb 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 307132 92459 digits Jan 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 311924 93901 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 451724 135985 digits Apr 2007 Ruediger K. Eckhard; LLR
n = 1155950 347979 digits Dec 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1639448 493526 digits Feb 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1745450 525436 digits Mar 2013 Robert Collins; PSieve; srsieve; PrimeGrid; LLR
k: 267
max n: 5.499.999
n = 2 4 digits
n = 3 4 digits
n = 4 4 digits
n = 12 7 digits
n = 34 13 digits
n = 40 15 digits
n = 46 17 digits
n = 70 24 digits
n = 82 28 digits
n = 102 34 digits
n = 118 38 digits
n = 119 39 digits
n = 192 61 digits
n = 202 64 digits
n = 300 93 digits
n = 434 134 digits
n = 508 156 digits
n = 515 158 digits
n = 516 158 digits
n = 612 187 digits
n = 690 211 digits
n = 718 219 digits
n = 795 242 digits
n = 846 258 digits
n = 1112 338 digits
n = 1786 541 digits
n = 3884 1172 digits 1986 Hiromi Suyama
n = 5112 1542 digits
n = 5136 1549 digits
n = 8628 2600 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10218 3079 digits
n = 10222 3080 digits
n = 16415 4944 digits Feb 1998 Charles F. Kerchner III; Proth
n = 28866 8692 digits
n = 38796 11682 digits Jul 1998 Harvey Dubner; Proth
n = 40642 12237 digits Jul 1998 Harvey Dubner; Proth
n = 47318 14247 digits Jul 1998 Harvey Dubner; Proth
n = 48134 14493 digits Jul 1998 Harvey Dubner; Proth
n = 48634 14643 digits Jul 1998 Harvey Dubner; Proth
n = 50778 15289 digits Jul 1998 Harvey Dubner; Proth
n = 60134 18105 digits Jul 1998 Harvey Dubner; Proth
n = 60282 18150 digits Jul 1998 Harvey Dubner; Proth
n = 88088 26520 digits Dec 1998 Jo Yeong Uk; Proth
n = 240778 72484 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 314228 94595 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 331154 99690 digits Jan 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 383172 115349 digits Jun 2007 Steven Harvey; FermFact; OpenPFGW
n = 388655 117000 digits Jun 2007 Steven Harvey; FermFact; OpenPFGW
n = 556486 167522 digits Dec 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 754570 227151 digits Feb 2010 Steffen Klaus; srsieve; PrimeGrid; SG Booster; LLR
n = 1053203 317049 digits Nov 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1876604 564917 digits Jul 2013 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 2233376 672316 digits Sep 2014 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 2629210 791474 digits Feb 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2662090 801372 digits Feb 2015 Jay Parangalan; PSieve; srsieve; PrimeGrid; LLR
k: 269
max n: 5.499.999
n = 3 4 digits
n = 5 4 digits
n = 15 7 digits
n = 27 11 digits
n = 53 19 digits
n = 137 44 digits
n = 153 49 digits
n = 155 50 digits
n = 185 59 digits
n = 239 75 digits
n = 717 219 digits
n = 735 224 digits
n = 789 240 digits
n = 1343 407 digits
n = 3485 1052 digits 1986 Hiromi Suyama
n = 5109 1541 digits
n = 6195 1868 digits
n = 14927 4496 digits Feb 1998 Ray Ballinger; Proth
n = 110463 33256 digits Nov 1999 Bruce Ziemienski; Proth
n = 132695 39948 digits Jan 2000 Bruce Ziemienski; Proth
n = 143027 43058 digits Feb 2000 Bruce Ziemienski; Proth
n = 183725 55310 digits Aug 2000 Bruce Ziemienski; Proth
n = 216803 65267 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 317859 95688 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 469595 141365 digits Nov 2007 Ruediger K. Eckhard; LLR
n = 1011107 304376 digits Sep 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1317053 396475 digits Jan 2012 Enzo Castigliola; PSieve; srsieve; PrimeGrid; LLR
n = 1348497 405941 digits Jan 2012 Paul Chism; PSieve; srsieve; PrimeGrid; LLR
n = 1618877 487333 digits Feb 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1942389 584720 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2189235 659028 digits Feb 2014 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2918105 878440 digits Aug 2015 William Donovan; PSieve; srsieve; PrimeGrid; LLR
n = 3877485 1167242 digits Jan 2023 Sascha Thorsten Dietsch; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4198809 1263970 digits Jul 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4636583 1395753 digits Feb 2024 Eric Nietering; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4777025 1438031 digits Feb 2024 Wolfram Glatte; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 271
max n: 5.499.999
n = 4 4 digits
n = 84 28 digits
n = 2164 654 digits
n = 7780 2345 digits 1983 Wilfrid Keller
n = 48100 14482 digits Jul 1998 Kevin O'Hare; Proth
n = 1165420 350829 digits Dec 2011 Michel Johnson; PSieve; srsieve; PrimeGrid; LLR
k: 273
max n: 5.499.999
n = 1 3 digits
n = 2 4 digits
n = 5 4 digits
n = 10 6 digits
n = 13 7 digits
n = 40 15 digits
n = 41 15 digits
n = 45 16 digits
n = 56 20 digits
n = 64 22 digits
n = 72 25 digits
n = 86 29 digits
n = 94 31 digits
n = 121 39 digits
n = 160 51 digits
n = 213 67 digits
n = 338 105 digits
n = 352 109 digits
n = 833 254 digits
n = 1014 308 digits
n = 1072 326 digits
n = 1098 333 digits
n = 1297 393 digits
n = 1381 419 digits
n = 1952 591 digits
n = 1990 602 digits
n = 2421 732 digits
n = 2600 786 digits
n = 3474 1049 digits 1992 Harvey Dubner; Dubner Cruncher
n = 3533 1066 digits
n = 3602 1087 digits
n = 4361 1316 digits
n = 5846 1763 digits
n = 6234 1880 digits
n = 6926 2088 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7562 2279 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8238 2483 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10866 3274 digits
n = 11240 3387 digits May 1996 Patrick Demichel
n = 11765 3545 digits
n = 26408 7953 digits May 1998 Ray Ballinger; Proth
n = 26648 8025 digits May 1998 Ray Ballinger; Proth
n = 28258 8509 digits May 1998 Ray Ballinger; Proth
n = 53233 16028 digits Oct 1998 Kevin O'Hare; Proth
n = 53405 16079 digits Oct 1998 Kevin O'Hare; Proth
n = 67344 20276 digits Oct 1998 Kevin O'Hare; Proth
n = 73453 22114 digits Oct 1998 Kevin O'Hare; Proth
n = 76122 22918 digits Oct 1998 Kevin O'Hare; Proth
n = 118225 35592 digits Oct 1998 Kevin O'Hare; Proth
n = 155645 46857 digits Jan 2002 Dennis Okon; Proth
n = 192457 57938 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 250338 75362 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 391137 117747 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 529094 159276 digits Apr 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 532597 160331 digits May 2008 Steven Harvey; FermFact; OpenPFGW
n = 604822 182073 digits Apr 2009 Christopher D. Beane; srsieve; PrimeGrid; LLR
n = 800790 241065 digits Feb 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 814061 245060 digits Feb 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 899288 270716 digits Apr 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1076470 324053 digits Feb 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1418856 427121 digits Jan 2012 Bartosz Michałowski; PSieve; srsieve; PrimeGrid; LLR
n = 1966630 592018 digits Aug 2013 Gergely Papp; PSieve; srsieve; PrimeGrid; LLR
n = 2388104 718894 digits Nov 2014 Alexander Prokopchuk; PSieve; srsieve; PrimeGrid; LLR
n = 3665736 1103499 digits Jul 2022 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3919321 1179836 digits Feb 2023 Christian Wallbaum; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3929128 1182788 digits Feb 2023 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 5242597 1578182 digits Aug 2024 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 275
max n: 5.499.999
n = 7 5 digits
n = 15 7 digits
n = 21 9 digits
n = 25 10 digits
n = 27 11 digits
n = 69 24 digits
n = 71 24 digits
n = 105 35 digits
n = 207 65 digits
n = 285 89 digits
n = 611 187 digits
n = 635 194 digits
n = 647 198 digits
n = 969 295 digits
n = 1127 342 digits
n = 1159 352 digits
n = 2407 728 digits
n = 2529 764 digits
n = 3517 1062 digits
n = 3577 1080 digits
n = 6275 1892 digits
n = 6729 2029 digits Mar 1996 Patrick Demichel
n = 7919 2387 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8809 2655 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9375 2825 digits 1993 Harvey Dubner; Dubner Cruncher
n = 27369 8242 digits May 1998 Ray Ballinger; Proth
n = 31657 9533 digits Jan 1999 Kevin O'Hare; Proth
n = 44149 13293 digits Jan 1999 Kevin O'Hare; Proth
n = 58579 17637 digits Jan 1999 Kevin O'Hare; Proth
n = 59355 17871 digits Jan 1999 Kevin O'Hare; Proth
n = 274255 82562 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 285435 85927 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 350949 105649 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 485505 146155 digits Sep 2007 Ruediger K. Eckhard; LLR
n = 821221 247215 digits Mar 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 834297 251151 digits Mar 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 3585539 1079358 digits Feb 2016 Tyler Bredl; PSieve; srsieve; PrimeGrid; LLR
k: 277
max n: 5.499.999
n = 2 4 digits
n = 6 5 digits
n = 8 5 digits
n = 18 8 digits
n = 20 9 digits
n = 22 10 digits
n = 36 14 digits
n = 62 22 digits
n = 108 35 digits
n = 120 39 digits
n = 162 52 digits
n = 180 57 digits
n = 222 70 digits
n = 450 138 digits
n = 530 162 digits
n = 706 215 digits
n = 1028 312 digits
n = 1200 364 digits
n = 1296 393 digits
n = 1362 413 digits
n = 2280 689 digits
n = 3788 1143 digits
n = 7130 2149 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8082 2436 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8150 2456 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10226 3081 digits
n = 10302 3104 digits
n = 11578 3488 digits
n = 48426 14581 digits Nov 1998 Eduard Kostolansky; Proth
n = 57890 17430 digits Jul 1999 Ray Ballinger; Proth
n = 73890 22246 digits Jan 2000 Kirk Pearson; Proth
n = 139346 41950 digits Oct 1999 Joe DeMaio; Proth
n = 201378 60624 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 225322 67832 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 1134740 341594 digits Nov 2011 Stephen Hutchinson; PSieve; srsieve; PrimeGrid; LLR
n = 1584740 477057 digits Feb 2013 Jonathan Champ; PSieve; srsieve; PrimeGrid; LLR
n = 1634878 492150 digits Mar 2013 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1728302 520274 digits Mar 2013 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 1880022 565946 digits Aug 2013 Guido Stein; PSieve; srsieve; PrimeGrid; LLR
n = 2340182 704468 digits Nov 2014 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 5185268 1560924 digits Jul 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 279
max n: 5.499.999
n = 2 4 digits
n = 5 4 digits
n = 10 6 digits
n = 67 23 digits
n = 70 24 digits
n = 185 59 digits
n = 218 69 digits
n = 254 79 digits
n = 530 162 digits
n = 539 165 digits
n = 587 180 digits
n = 767 234 digits
n = 806 246 digits
n = 1142 347 digits
n = 1169 355 digits
n = 2098 635 digits
n = 3035 917 digits
n = 4310 1300 digits
n = 8909 2685 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14150 4263 digits Feb 1998 Ray Ballinger; Proth
n = 15461 4657 digits Feb 1998 Ray Ballinger; Proth
n = 15778 4753 digits Feb 1998 Ray Ballinger; Proth
n = 15962 4808 digits Feb 1998 Ray Ballinger; Proth
n = 16711 5033 digits May 1996 Patrick Demichel
n = 17819 5367 digits Jul 1996 Patrick Demichel
n = 41915 12621 digits Oct 1998 Eduard Kostolansky; Proth
n = 78578 23657 digits Apr 1999 Rachel Lewis; Proth
n = 90047 27110 digits Nov 2000 Ray Ballinger; Proth
n = 274202 82546 digits Jan 2005 Jim Fougeron; OpenPFGW
n = 335351 100954 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 430342 129549 digits Dec 2006 Ruediger K. Eckhard; LLR
n = 888782 267553 digits Apr 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1465658 441210 digits Feb 2012 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 1526518 459531 digits Jan 2013 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 2079167 625895 digits Jan 2014 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
k: 281
max n: 5.499.999
n = 1 3 digits
n = 7 5 digits
n = 9 6 digits
n = 11 6 digits
n = 33 13 digits
n = 81 27 digits
n = 113 37 digits
n = 143 46 digits
n = 185 59 digits
n = 227 71 digits
n = 359 111 digits
n = 393 121 digits
n = 631 193 digits
n = 1123 341 digits
n = 1273 386 digits
n = 1351 410 digits
n = 3721 1123 digits
n = 4753 1434 digits
n = 6617 1995 digits
n = 9281 2797 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12539 3778 digits
n = 12961 3905 digits
n = 19513 5877 digits Oct 1996 Patrick Demichel
n = 23497 7076 digits May 1998 Ray Ballinger; Proth
n = 29695 8942 digits May 1998 Ray Ballinger; Proth
n = 33361 10046 digits Aug 1998 Skip Key; Proth
n = 88153 26540 digits Dec 1998 Chris Nash; Proth
n = 150751 45384 digits Nov 1999 Thomas J. Engelsma; Proth
n = 448129 134903 digits Feb 2005 Souichi Murata; NewPGen; PRP; Proth
n = 456377 137386 digits Feb 2005 Souichi Murata; NewPGen; PRP; Proth
n = 563713 169697 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 612083 184258 digits Mar 2009 Adam Corrall; srsieve; PrimeGrid; LLR
n = 935999 281767 digits Sep 2010 Ruediger K. Eckhard; LLR
n = 1041641 313568 digits Aug 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 2051865 617676 digits Mar 2022 Pavel Atnashev; LLR2; PSieve; srsieve; Private GFN server; PrimeGrid; LLR
n = 2363327 711435 digits Oct 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3151457 948686 digits Jan 2022 Barry Walsh; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3798465 1143455 digits Oct 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3926467 1181987 digits Feb 2023 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4879761 1468957 digits Mar 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4886723 1471053 digits Mar 2024 Benoit Da Mota; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 283
max n: 5.499.999
n = 30 12 digits
n = 264 82 digits
n = 486 149 digits
n = 1950 590 digits
n = 3480 1051 digits 1984 Hiromi Suyama
n = 14106 4249 digits Feb 1998 Ray Ballinger; Proth
n = 77394 23301 digits Jan 1999 Nick Craig-Wood; Proth
n = 472530 142249 digits Jan 2008 Ruediger K. Eckhard; LLR
n = 1494614 449927 digits Feb 2012 Rom Sey; PSieve; srsieve; PrimeGrid; LLR
n = 2868750 863583 digits Jun 2015 Javi Jarne; PSieve; srsieve; PrimeGrid; LLR
k: 285
max n: 5.499.999
n = 1 3 digits
n = 3 4 digits
n = 4 4 digits
n = 15 7 digits
n = 18 8 digits
n = 21 9 digits
n = 27 11 digits
n = 37 14 digits
n = 45 17 digits
n = 55 20 digits
n = 58 20 digits
n = 69 24 digits
n = 73 25 digits
n = 87 29 digits
n = 171 54 digits
n = 201 63 digits
n = 232 73 digits
n = 307 95 digits
n = 375 116 digits
n = 567 174 digits
n = 882 268 digits
n = 2869 867 digits
n = 3364 1016 digits
n = 4071 1228 digits
n = 4825 1455 digits
n = 15328 4617 digits Feb 1998 Charles F. Kerchner III; Proth
n = 20341 6126 digits Oct 1996 Patrick Demichel
n = 26641 8023 digits May 1998 Ray Ballinger; Proth
n = 36703 11052 digits Aug 1998 Randy Dunaieff; Robert Burrowes; Proth
n = 57291 17249 digits Aug 1998 Randy Dunaieff; Robert Burrowes; Proth
n = 62973 18960 digits Aug 1998 Randy Dunaieff; Robert Burrowes; Proth
n = 67347 20276 digits Aug 1998 Randy Dunaieff; Robert Burrowes; Proth
n = 141253 42524 digits Aug 1998 Randy Dunaieff; Robert Burrowes; Proth
n = 155637 46854 digits Sep 1998 Randy Dunaieff; Robert Burrowes; Proth
n = 165957 49961 digits Oct 1998 Randy Dunaieff; Robert Burrowes; Proth
n = 230629 69429 digits Feb 2005 Souichi Murata; NewPGen; PRP; Proth
n = 295791 89045 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 343144 103300 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 372841 112239 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 454378 136784 digits May 2007 Ruediger K. Eckhard; LLR
n = 604747 182050 digits Mar 2009 Colin Nish; srsieve; PrimeGrid; LLR
n = 690973 208007 digits Nov 2009 Ian Bartholomew; srsieve; PrimeGrid; LLR
n = 736084 221586 digits Feb 2010 Koichi Okubo; srsieve; PrimeGrid; LLR
n = 852381 256595 digits Mar 2010 Steven Harvey; srsieve; PrimeGrid; LLR
n = 1241173 373633 digits Jan 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1588353 478145 digits Feb 2013 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 2028495 610641 digits Jan 2014 John Sheridan; PSieve; srsieve; PrimeGrid; LLR
n = 5408709 1628187 digits Oct 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 287
max n: 4.999.999
n = 3 4 digits
n = 27 11 digits
n = 59 21 digits
n = 291 91 digits
n = 699 213 digits
n = 1259 382 digits
n = 1771 536 digits
n = 3051 921 digits
n = 19379 5837 digits Oct 1996 Patrick Demichel
n = 23323 7024 digits May 1998 Ray Ballinger; Proth
n = 41459 12483 digits Jul 1998 John F. (Jack) Brennen; Proth
n = 121747 36652 digits Feb 2000 Ruediger K. Eckhard; Proth
n = 206539 62177 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 515827 155282 digits Feb 2008 Steven Harvey; srsieve; PRP; OpenPFGW
k: 289
max n: 4.999.999
n = 10 6 digits
n = 22 10 digits
n = 34 13 digits
n = 42 16 digits
n = 150 48 digits
n = 1758 532 digits
n = 6706 2022 digits Mar 1996 Patrick Demichel
n = 11634 3505 digits
n = 18502 5573 digits 1984 Wilfrid Keller
n = 52614 15841 digits Oct 1998 Daval Davis; Proth
n = 102150 30753 digits Dec 1999 Ruediger K. Eckhard; Proth
n = 194830 58653 digits Jan 2003 Greg Childers; OpenPFGW
n = 207546 62481 digits Dec 2004 Jim Fougeron; OpenPFGW
n = 252858 76121 digits Feb 2005 Jim Fougeron; OpenPFGW
n = 333406 100368 digits Apr 2007 Ruediger K. Eckhard; LLR
n = 638902 192332 digits Apr 2009 Lukas Hron; srsieve; PrimeGrid; LLR
n = 989182 297776 digits Oct 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1117182 336308 digits Nov 2011 Alison Bowler; PSieve; srsieve; PrimeGrid; LLR
n = 1317378 396573 digits Jan 2012 Tim Rickard; PSieve; srsieve; PrimeGrid; LLR
n = 1522650 458366 digits Jan 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 4911870 1478623 digits Apr 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 291
max n: 4.999.999
n = 4 4 digits
n = 12 7 digits
n = 16 8 digits
n = 20 9 digits
n = 24 10 digits
n = 39 15 digits
n = 40 15 digits
n = 65 23 digits
n = 77 26 digits
n = 95 32 digits
n = 240 75 digits
n = 256 80 digits
n = 303 94 digits
n = 376 116 digits
n = 416 128 digits
n = 596 182 digits
n = 760 232 digits
n = 1037 315 digits
n = 1045 318 digits
n = 1553 470 digits
n = 2452 741 digits
n = 2559 773 digits
n = 2596 784 digits
n = 2607 788 digits
n = 4616 1393 digits
n = 5703 1720 digits
n = 8620 2598 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8799 2652 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10180 3067 digits
n = 12756 3843 digits
n = 13124 3954 digits
n = 16620 5006 digits May 1997 Steffen Polster; Proth
n = 17312 5214 digits Jul 1996 Patrick Demichel
n = 29489 8880 digits May 1998 Ray Ballinger; Proth
n = 33576 10110 digits Jul 1998 Paul Jobling; Proth
n = 51149 15400 digits Jul 1998 Paul Jobling; Proth
n = 74832 22530 digits Jul 1998 Paul Jobling; Proth
n = 77560 23351 digits Aug 1998 Paul Jobling; Proth
n = 106863 32172 digits Aug 1998 Paul Jobling; Proth
n = 154544 46525 digits Feb 1999 Paul Jobling; Proth
n = 178223 53653 digits Oct 2004 Jim Fougeron; OpenPFGW
n = 319157 96079 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 368876 111046 digits Dec 2007 Steven Harvey; srsieve; PRP; OpenPFGW
n = 429460 129283 digits Oct 2006 Ruediger K. Eckhard; LLR
n = 550040 165582 digits Jan 2009 Steven Harvey; FermFact; LLR; OpenPFGW
n = 711217 214101 digits Feb 2010 Frans Englund; srsieve; PrimeGrid; LLR
n = 913960 275132 digits May 2010 Ruediger K. Eckhard; LLR
n = 1260056 379318 digits Jan 2012 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1516592 456543 digits Jan 2013 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 3037904 914503 digits May 2015 Eric Eskam; PSieve; srsieve; PrimeGrid; LLR
n = 4708553 1417419 digits Feb 2024 James Krauss; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 293
max n: 4.999.999
n = 1 3 digits
n = 5 4 digits
n = 181 57 digits
n = 257 80 digits
n = 469 144 digits
n = 1541 467 digits
n = 2857 863 digits
n = 3521 1063 digits 1984 Hiromi Suyama
n = 14245 4291 digits Feb 1998 Ray Ballinger; Proth
n = 1049569 315955 digits Oct 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
k: 295
max n: 4.999.999
n = 2 4 digits
n = 4 4 digits
n = 8 5 digits
n = 30 12 digits
n = 52 19 digits
n = 68 23 digits
n = 128 42 digits
n = 140 45 digits
n = 170 54 digits
n = 182 58 digits
n = 186 59 digits
n = 294 91 digits
n = 332 103 digits
n = 498 153 digits
n = 516 158 digits
n = 528 162 digits
n = 534 164 digits
n = 1106 336 digits
n = 1932 585 digits
n = 2248 680 digits
n = 2262 684 digits
n = 4560 1376 digits
n = 5046 1522 digits
n = 11978 3609 digits
n = 13670 4118 digits Jul 1997 Jim Buddenhagen; Proth
n = 14510 4371 digits Feb 1998 Ray Ballinger; Proth
n = 20262 6102 digits Oct 1996 Patrick Demichel
n = 23588 7104 digits May 1998 Ray Ballinger; Proth
n = 26550 7995 digits May 1998 Ray Ballinger; Proth
n = 31730 9555 digits Sep 1998 Jo Yeong Uk; Proth
n = 37788 11378 digits Sep 1998 Jo Yeong Uk; Proth
n = 42002 12647 digits Oct 1998 Michal Misztal; Proth
n = 71068 21397 digits Oct 1998 Michal Misztal; Proth
n = 95736 28822 digits Nov 1998 Michal Misztal; Proth
n = 172802 52022 digits Jul 1999 Eduard Kostolansky; Proth
n = 296862 89367 digits Mar 2005 Jim Fougeron; OpenPFGW
n = 312776 94158 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 398136 119854 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 475400 143113 digits Jan 2008 Ruediger K. Eckhard; LLR
n = 501770 151051 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 561426 169009 digits Mar 2009 Stephen Moody; srsieve; PrimeGrid; LLR
n = 1648168 496151 digits Feb 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 2168448 652771 digits Feb 2014 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 2680932 807044 digits Feb 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3642206 1096416 digits Jul 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 297
max n: 4.999.999
n = 3 4 digits
n = 6 5 digits
n = 14 7 digits
n = 15 7 digits
n = 20 9 digits
n = 27 11 digits
n = 38 14 digits
n = 123 40 digits
n = 276 86 digits
n = 327 101 digits
n = 380 117 digits
n = 411 127 digits
n = 546 167 digits
n = 819 250 digits
n = 1155 351 digits
n = 1274 386 digits
n = 1800 545 digits
n = 1875 567 digits
n = 3135 947 digits
n = 3411 1030 digits
n = 7514 2265 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9446 2847 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12615 3800 digits
n = 23400 7047 digits 1996 Patrick Demichel
n = 23564 7096 digits 1996 Patrick Demichel
n = 99344 29908 digits Dec 1998 Janusz Szmidt; Proth
n = 108258 32592 digits Dec 1998 Janusz Szmidt; Proth
n = 148988 44853 digits
n = 153818 46307 digits
n = 157623 47452 digits Apr 2000 Thom Adams; Proth
n = 306596 92298 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 622800 187484 digits Apr 2009 Stephen Turner; srsieve; PrimeGrid; LLR
n = 2660048 800757 digits Feb 2015 Paulo Silva; PSieve; srsieve; PrimeGrid; LLR
n = 3087543 929446 digits Sep 2021 Phil Deakin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3765140 1133423 digits Sep 2022 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4432947 1334453 digits Dec 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 299
max n: 4.999.999
n = 1 3 digits
n = 3 4 digits
n = 7 5 digits
n = 9 6 digits
n = 45 17 digits
n = 57 20 digits
n = 73 25 digits
n = 79 27 digits
n = 81 27 digits
n = 91 30 digits
n = 141 45 digits
n = 177 56 digits
n = 193 61 digits
n = 241 76 digits
n = 267 83 digits
n = 493 151 digits
n = 777 237 digits
n = 921 280 digits
n = 1167 354 digits
n = 1179 358 digits
n = 1191 362 digits
n = 1689 511 digits
n = 2389 722 digits
n = 4635 1398 digits
n = 5377 1622 digits
n = 9487 2859 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13573 4089 digits Jul 1997 Jim Buddenhagen; Proth
n = 15781 4754 digits Mar 1998 Charles F. Kerchner III; Proth
n = 26017 7835 digits May 1998 Ray Ballinger; Proth
n = 31977 9629 digits May 1998 Richard Jones; Proth
n = 40455 12181 digits Jun 1998 Richard Jones; Proth
n = 59487 17910 digits Aug 1998 Richard Jones; Proth
n = 64417 19394 digits Aug 1998 Richard Jones; Proth
n = 70441 21208 digits Sep 1998 Janusz Szmidt; Proth
n = 85263 25670 digits Sep 1998 Michal Misztal; Proth
n = 366103 110211 digits Apr 2007 Hans Overmann; Proth
n = 1692271 509427 digits Mar 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2070979 623430 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3130621 942414 digits Nov 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4333939 1304649 digits Oct 2023 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 301
max n: 4.999.999
n = 4 4 digits
n = 184 58 digits
n = 344 107 digits
n = 352 109 digits
n = 392 121 digits
n = 1060 322 digits
n = 2452 741 digits
n = 7360 2219 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9736 2934 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10324 3111 digits
n = 21316 6420 digits
n = 22752 6852 digits
n = 27272 8213 digits Mar 1999 Wolfgang Elsner; Proth
n = 27744 8355 digits Jun 1998 David Hanson; Proth
n = 28068 8452 digits Jun 1998 David Hanson; Proth
n = 55628 16749 digits May 2000 Nestor Sergio de Araujo Melo; Proth
n = 72864 21937 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 88472 26636 digits Jul 2000 Nestor Sergio de Araujo Melo; Proth
n = 95872 28863 digits Sep 2000 Nestor Sergio de Araujo Melo; Proth
n = 124628 37520 digits Mar 2001 Peter Crickman; Proth
n = 218584 65803 digits Jul 2003 Peter Crickman; Proth
n = 424448 127775 digits Dec 2005 Peter Crickman; Proth
n = 517960 155924 digits Dec 2007 Ruediger K. Eckhard; LLR
n = 880792 265148 digits Dec 2009 Peter Crickman; Proth
n = 1455620 438188 digits Jan 2012 Gus Obermeyer; PSieve; srsieve; PrimeGrid; LLR
n = 3284232 988655 digits Jul 2022 Scott Lee; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 303
max n: 4.999.999
n = 1 3 digits
n = 2 4 digits
n = 5 4 digits
n = 8 5 digits
n = 9 6 digits
n = 10 6 digits
n = 13 7 digits
n = 17 8 digits
n = 21 9 digits
n = 30 12 digits
n = 38 14 digits
n = 93 31 digits
n = 125 41 digits
n = 140 45 digits
n = 170 54 digits
n = 178 57 digits
n = 181 57 digits
n = 394 122 digits
n = 453 139 digits
n = 588 180 digits
n = 1161 352 digits
n = 1221 371 digits
n = 1573 477 digits
n = 1665 504 digits
n = 1745 528 digits
n = 3613 1091 digits
n = 3661 1105 digits
n = 5750 1734 digits
n = 6002 1810 digits
n = 6198 1869 digits
n = 6393 1927 digits Oct 1993 Harvey Dubner; Dubner Cruncher
n = 6764 2039 digits Mar 1996 Patrick Demichel
n = 7209 2173 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7514 2265 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9444 2846 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13034 3927 digits
n = 15277 4602 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16070 4841 digits Feb 1998 Charles F. Kerchner III; Proth
n = 20042 6036 digits Oct 1996 Patrick Demichel
n = 22970 6918 digits 1996 Patrick Demichel
n = 22977 6920 digits 1996 Patrick Demichel
n = 25674 7732 digits
n = 28438 8564 digits
n = 31040 9347 digits
n = 35137 10580 digits Aug 1998 David Hanson; Proth
n = 42410 12770 digits May 2000 Nestor Sergio de Araujo Melo; Proth
n = 60285 18151 digits Feb 1999 Gregory van Deventer; Proth
n = 61205 18428 digits Feb 1999 Gregory van Deventer; Proth
n = 73798 22218 digits Jul 2000 Nestor Sergio de Araujo Melo; Proth
n = 85737 25812 digits Jul 2000 Nestor Sergio de Araujo Melo; Proth
n = 109861 33074 digits Mar 2001 Peter Crickman; Proth
n = 116033 34932 digits Aug 2002 Steven Harvey; Proth
n = 173477 52225 digits Apr 2003 Peter Crickman; Proth
n = 184790 55630 digits May 2003 Peter Crickman; Proth
n = 246281 74141 digits Nov 2003 Peter Crickman; Proth
n = 303513 91369 digits Dec 2003 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 365412 110003 digits Mar 2006 Peter Crickman; Proth
n = 390873 117667 digits Mar 2006 Peter Crickman; Proth
n = 397629 119701 digits Mar 2006 Peter Crickman; Proth
n = 419809 126378 digits Mar 2006 Peter Crickman; Proth
n = 440274 132539 digits Mar 2006 Peter Crickman; Proth
n = 468977 141179 digits Aug 2006 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 692409 208439 digits Nov 2009 Grant Busler; srsieve; PrimeGrid; LLR
n = 1044010 314281 digits Aug 2010 Ruediger K. Eckhard; LLR
n = 1416878 426526 digits Jan 2012 Dennis Chi; PSieve; srsieve; PrimeGrid; LLR
n = 1470065 442537 digits Feb 2012 David Sas; PSieve; srsieve; PrimeGrid; LLR
n = 1491450 448974 digits Feb 2012 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 1523973 458765 digits Jan 2013 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 2406433 724411 digits Sep 2016 Michael H.W. Weber; PSieve; srsieve; PrimeGrid; LLR
n = 2486629 748553 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2601525 783140 digits Jul 2018 Matthew Doenges; PSieve; srsieve; PrimeGrid; LLR
n = 2703864 813947 digits Feb 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 3391977 1021090 digits May 2016 Andreas Mueller; PSieve; srsieve; PrimeGrid; LLR
n = 3725438 1121472 digits Aug 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4694937 1413320 digits Feb 2024 Marian Brockerhoff; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4829593 1453855 digits Mar 2024 Christian Wallbaum; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 305
max n: 4.999.999
n = 3 4 digits
n = 7 5 digits
n = 21 9 digits
n = 23 10 digits
n = 29 12 digits
n = 35 14 digits
n = 53 19 digits
n = 87 29 digits
n = 91 30 digits
n = 95 32 digits
n = 115 38 digits
n = 165 53 digits
n = 179 57 digits
n = 233 73 digits
n = 367 113 digits
n = 419 129 digits
n = 609 186 digits
n = 791 241 digits
n = 2937 887 digits
n = 3713 1121 digits
n = 4087 1233 digits
n = 5071 1530 digits
n = 6497 1959 digits
n = 30011 9037 digits Jun 1998 Ola Svallmark; Proth
n = 30783 9270 digits
n = 32861 9895 digits May 1998 Tadashi Taura; Proth
n = 48299 14542 digits May 2000 Nestor Sergio de Araujo Melo; Proth
n = 60155 18111 digits Feb 1999 Gregory van Deventer; Proth
n = 143623 43238 digits Jan 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 293525 88363 digits Jul 2005 Peter Crickman; Proth
n = 465959 140271 digits Feb 2008 Ruediger K. Eckhard; LLR
n = 567161 170735 digits Mar 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 975215 293572 digits Jun 2010 Ruediger K. Eckhard; LLR
n = 1024223 308325 digits Jun 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
n = 1106333 333042 digits Nov 2011 Scott Aston; PSieve; srsieve; PrimeGrid; LLR
n = 1285643 387020 digits Jan 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1597089 480775 digits Feb 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2233655 672400 digits Apr 2015 Timothy Slegel; PSieve; srsieve; PrimeGrid; LLR
n = 2733989 823016 digits Jun 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 2840155 854975 digits Feb 2020 Keith Reinhardt; PSieve; srsieve; PrimeGrid; LLR
n = 3171039 954581 digits Jan 2022 Vesa Harju; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 307
max n: 4.999.999
n = 2 4 digits
n = 8 5 digits
n = 16 8 digits
n = 26 11 digits
n = 34 13 digits
n = 112 37 digits
n = 182 58 digits
n = 226 71 digits
n = 304 95 digits
n = 782 238 digits
n = 6886 2076 digits 1993 Harvey Dubner; Dubner Cruncher
n = 36422 10967 digits Jul 1999 Peter JH Dodson; Proth
n = 647786 195006 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 1289306 388123 digits Jan 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2862962 861840 digits Apr 2020 Eudy Silva; PSieve; srsieve; PrimeGrid; LLR
k: 309
max n: 4.999.999
n = 1 3 digits
n = 2 4 digits
n = 3 4 digits
n = 6 5 digits
n = 9 6 digits
n = 21 9 digits
n = 51 18 digits
n = 53 19 digits
n = 57 20 digits
n = 67 23 digits
n = 69 24 digits
n = 106 35 digits
n = 143 46 digits
n = 163 52 digits
n = 193 61 digits
n = 194 61 digits
n = 231 73 digits
n = 338 105 digits
n = 343 106 digits
n = 1197 363 digits
n = 1314 399 digits
n = 2178 659 digits
n = 2266 685 digits
n = 3401 1027 digits
n = 3422 1033 digits
n = 4751 1433 digits
n = 5914 1783 digits
n = 6097 1838 digits
n = 11403 3436 digits
n = 16519 4976 digits Mar 1998 Charles F. Kerchner III; Proth
n = 24227 7296 digits May 1996 Patrick Demichel
n = 24447 7362 digits
n = 27041 8143 digits
n = 29591 8911 digits
n = 41466 12485 digits
n = 44459 13386 digits May 2000 Nestor Sergio de Araujo Melo; Proth
n = 46522 14008 digits May 2000 Nestor Sergio de Araujo Melo; Proth
n = 49458 14891 digits May 2000 Nestor Sergio de Araujo Melo; Proth
n = 55198 16619 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 64177 19322 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 71877 21640 digits Sep 1998 David Hanson; Proth
n = 79898 24055 digits Jul 2000 Nestor Sergio de Araujo Melo; Proth
n = 102411 30832 digits May 2001 Nestor Sergio de Araujo Melo; Proth
n = 110503 33268 digits Aug 1997 Henri Lifchitz; Proth
n = 113258 34097 digits May 2001 Nestor Sergio de Araujo Melo; Proth
n = 121319 36524 digits Jun 2001 Nestor Sergio de Araujo Melo; Proth
n = 164187 49428 digits Nov 2003 Peter Crickman; Proth
n = 316134 95169 digits Mar 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 349902 105334 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 441542 132920 digits Aug 2006 Peter Crickman; Proth
n = 570389 171707 digits Mar 2009 Eric Ueda; srsieve; PrimeGrid; LLR
n = 627517 188904 digits May 2009 Mackenzie Ballentyne; srsieve; PrimeGrid; LLR
n = 918006 276350 digits Nov 2009 Ruediger K. Eckhard; LLR
n = 1012107 304678 digits Aug 2010 Ruediger K. Eckhard; LLR
n = 1679867 505693 digits Mar 2013 Jianwen Ling; PSieve; srsieve; PrimeGrid; LLR
n = 1834379 552206 digits Mar 2013 Jerzy Gieorgijewski; PSieve; srsieve; PrimeGrid; LLR
n = 1836139 552736 digits Mar 2013 Raymond Ottusch; PSieve; srsieve; PrimeGrid; LLR
n = 3577339 1076889 digits Jun 2016 Russell Mathers; PSieve; srsieve; PrimeGrid; LLR
n = 4054114 1220413 digits May 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 311
max n: 4.999.999
n = 9 6 digits
n = 29 12 digits
n = 35 14 digits
n = 105 35 digits
n = 125 41 digits
n = 131 42 digits
n = 179 57 digits
n = 359 111 digits
n = 2735 826 digits
n = 28199 8492 digits
n = 47349 14256 digits May 2000 Nestor Sergio de Araujo Melo; Proth
n = 64485 19415 digits May 2000 Nestor Sergio de Araujo Melo; Proth
n = 1094135 329370 digits Aug 2010 Ruediger K. Eckhard; LLR
n = 1171199 352569 digits Dec 2011 Brian Ball; PSieve; srsieve; PrimeGrid; LLR
n = 1323071 398287 digits Jan 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 2798459 842423 digits Aug 2019 Bill Michael; PSieve; srsieve; PrimeGrid; LLR
n = 3037565 914401 digits May 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3270759 984600 digits Jun 2022 Axel Amberg; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3282455 988120 digits Jul 2022 Frederik Schiøler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 313
max n: 4.999.999
n = 4 4 digits
n = 10 6 digits
n = 16 8 digits
n = 24 10 digits
n = 70 24 digits
n = 184 58 digits
n = 250 78 digits
n = 432 133 digits
n = 460 141 digits
n = 792 241 digits
n = 8482 2556 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9868 2974 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10954 3300 digits
n = 14098 4247 digits Feb 1998 Ray Ballinger; Proth
n = 16260 4898 digits Feb 1998 Charles F. Kerchner III; Proth
n = 17770 5352 digits Jul 1996 Patrick Demichel
n = 19354 5829 digits Oct 1996 Patrick Demichel
n = 81504 24538 digits Feb 1999 David Hanson; Proth
n = 85672 25793 digits Aug 2000 Nestor Sergio de Araujo Melo; Proth
n = 158662 47765 digits Oct 2003 Raffi Chaglassian; 'K' sieves; OpenPFGW
n = 166354 50081 digits Oct 2003 Raffi Chaglassian; 'K' sieves; OpenPFGW
n = 188914 56872 digits Oct 2003 Raffi Chaglassian; 'K' sieves; OpenPFGW
n = 327924 98718 digits Dec 2003 Raffi Chaglassian; 'K' sieves; OpenPFGW
n = 337942 101734 digits Dec 2003 Raffi Chaglassian; 'K' sieves; OpenPFGW
n = 424318 127735 digits Nov 2005 Peter Crickman; Proth
n = 519748 156463 digits Jan 2008 Ruediger K. Eckhard; LLR
n = 621432 187073 digits Apr 2009 Bruno Usai; srsieve; PrimeGrid; LLR
n = 888288 267404 digits May 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 1949544 586874 digits Aug 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 3716716 1118846 digits Aug 2022 Wolfgang Schwieger; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3837304 1155147 digits Dec 2022 Tomasz Kaczmarek; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3869536 1164849 digits Jan 2023 Ruben Steinberg; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 315
max n: 4.999.999
n = 1 3 digits
n = 3 4 digits
n = 6 5 digits
n = 9 6 digits
n = 20 9 digits
n = 22 10 digits
n = 27 11 digits
n = 32 13 digits
n = 72 25 digits
n = 97 32 digits
n = 99 33 digits
n = 104 34 digits
n = 107 35 digits
n = 120 39 digits
n = 140 45 digits
n = 142 46 digits
n = 151 48 digits
n = 180 57 digits
n = 304 95 digits
n = 305 95 digits
n = 342 106 digits
n = 440 135 digits
n = 489 150 digits
n = 521 160 digits
n = 635 194 digits
n = 665 203 digits
n = 673 206 digits
n = 767 234 digits
n = 876 267 digits
n = 1040 316 digits
n = 1313 398 digits
n = 1359 412 digits
n = 1764 534 digits
n = 2032 615 digits
n = 2224 672 digits
n = 2280 689 digits
n = 2783 841 digits
n = 2832 856 digits
n = 2875 868 digits
n = 5256 1585 digits
n = 8225 2479 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10297 3103 digits
n = 11124 3352 digits May 1996 Patrick Demichel
n = 12124 3653 digits
n = 17552 5287 digits Jul 1996 Patrick Demichel
n = 18592 5600 digits Oct 1996 Patrick Demichel
n = 24435 7359 digits
n = 30704 9246 digits
n = 37467 11282 digits Sep 1998 Tadashi Taura; Proth
n = 39097 11772 digits
n = 40936 12326 digits
n = 41000 12345 digits Dec 1997 Gerben Dirksen; Proth
n = 43624 13135 digits Sep 1998 Tadashi Taura; Proth
n = 45670 13751 digits Sep 1998 Tadashi Taura; Proth
n = 65897 19840 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 83600 25169 digits Aug 2000 Nestor Sergio de Araujo Melo; Proth
n = 85241 25663 digits Sep 2000 Nestor Sergio de Araujo Melo; Proth
n = 95934 28882 digits Sep 2000 Nestor Sergio de Araujo Melo; Proth
n = 99512 29959 digits Sep 2000 Nestor Sergio de Araujo Melo; Proth
n = 115425 34749 digits Jun 2001 Nestor Sergio de Araujo Melo; Proth
n = 134770 40573 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 266935 80358 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 344033 103567 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 349352 105168 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 359364 108182 digits Jan 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 363154 109323 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 498239 149988 digits Oct 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 565722 170302 digits Apr 2007 Jacques Molné; Proth
n = 658900 198352 digits Jul 2009 Jochen Beck; srsieve; PrimeGrid; LLR
n = 1162371 349912 digits Dec 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1218433 366788 digits Dec 2011 David Pyke; PSieve; srsieve; PrimeGrid; LLR
n = 1239735 373200 digits Jan 2012 Daniel Holmes; PSieve; srsieve; PrimeGrid; LLR
n = 1459160 439254 digits Jan 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 1595314 480240 digits Feb 2013 Jiří Volf; PSieve; srsieve; PrimeGrid; LLR
n = 2002904 602937 digits Feb 2014 Hirofumi Tamagawa; PSieve; srsieve; PrimeGrid; LLR
n = 2139665 644106 digits Apr 2014 Darren Boyden; PSieve; srsieve; PrimeGrid; LLR
n = 2550412 767754 digits Dec 2017 Sönke Gravemeyer; PSieve; srsieve; PrimeGrid; LLR
k: 317
max n: 4.999.999
n = 7 5 digits
n = 11 6 digits
n = 243 76 digits
n = 291 91 digits
n = 327 101 digits
n = 1211 368 digits
n = 7331 2210 digits 1993 Harvey Dubner; Dubner Cruncher
n = 26775 8063 digits
n = 101603 30589 digits May 2001 Michael Angel; NewPGen; Proth
n = 171071 51501 digits Jul 2004 Jay Berg; Proth
n = 284795 85735 digits Dec 2005 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 295195 88866 digits Dec 2005 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 323871 97498 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 589755 177537 digits Mar 2009 Frans Englund; srsieve; PrimeGrid; LLR
n = 833467 250902 digits Apr 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1047471 315323 digits Jul 2011 Ruediger K. Eckhard; srsieve; PrimeGrid; LLR
k: 319
max n: 4.999.999
n = 2 4 digits
n = 10 6 digits
n = 18 8 digits
n = 274 85 digits
n = 314 98 digits
n = 522 160 digits
n = 562 172 digits
n = 578 177 digits
n = 594 182 digits
n = 602 184 digits
n = 930 283 digits
n = 1074 326 digits
n = 23826 7175 digits
n = 184554 55559 digits Jul 2004 Jay Berg; Proth
n = 1923378 578997 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2248914 676994 digits Apr 2015 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2290722 689579 digits Apr 2015 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 3069362 923973 digits Jul 2021 Yasuhisa Omori; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 321
max n: 4.999.999
n = 1 3 digits
n = 5 5 digits
n = 32 13 digits
n = 68 23 digits
n = 109 36 digits
n = 128 42 digits
n = 133 43 digits
n = 212 67 digits
n = 241 76 digits
n = 653 200 digits
n = 776 237 digits
n = 1339 406 digits
n = 1787 541 digits
n = 2659 803 digits
n = 6388 1926 digits
n = 6547 1974 digits
n = 8365 2521 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16699 5030 digits Mar 1998 Charles F. Kerchner III; Proth
n = 62861 18926 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 64795 19508 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 83227 25057 digits May 2001 David Terr; Proth
n = 195376 58817 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 278875 83953 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 442480 133203 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 542876 163425 digits Feb 2009 Patrick W. McKibbon; srsieve; PrimeGrid; LLR
n = 730321 219852 digits Feb 2010 Vaughan Davies; srsieve; PrimeGrid; LLR
n = 1168576 351779 digits Dec 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1257859 378656 digits Jan 2012 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1629307 490473 digits Feb 2013 Yuki Yoshigoe; PSieve; srsieve; PrimeGrid; LLR
n = 4715725 1419578 digits Feb 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 323
max n: 4.999.999
n = 1 3 digits
n = 5 5 digits
n = 145 47 digits
n = 329 102 digits
n = 381 118 digits
n = 465 143 digits
n = 3121 943 digits
n = 4201 1268 digits
n = 4309 1300 digits
n = 12669 3817 digits
n = 13601 4097 digits Jul 1997 Jim Buddenhagen; Proth
n = 17221 5187 digits Jul 1996 Patrick Demichel
n = 33601 10118 digits Apr 1998 Kenneth J. Brazier; Proth
n = 41741 12568 digits
n = 46921 14128 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 65745 19794 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 80269 24166 digits May 2001 David Terr; Proth
n = 384685 115805 digits May 2007 Dennis Okon; Proth
n = 1072285 322793 digits Nov 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 3482789 1048427 digits Jun 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 325
max n: 4.999.999
n = 2 4 digits
n = 14 7 digits
n = 18 8 digits
n = 32 13 digits
n = 42 16 digits
n = 72 25 digits
n = 144 46 digits
n = 174 55 digits
n = 282 88 digits
n = 318 99 digits
n = 828 252 digits
n = 1338 406 digits
n = 2154 651 digits
n = 2750 831 digits
n = 4034 1217 digits
n = 9858 2971 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13692 4125 digits Jul 1997 Jim Buddenhagen; Proth
n = 49052 14769 digits Mar 2000 Peter Shaw; Proth
n = 63522 19125 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 86784 26128 digits May 2001 David Terr; Proth
n = 117162 35272 digits Mar 2002 David Terr; Proth
n = 126014 37937 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 273090 82211 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 302574 91087 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 413862 124588 digits Mar 2007 Steven Harvey; FermFact; OpenPFGW
n = 901902 271503 digits Feb 2010 Ruediger K. Eckhard; LLR
n = 3231474 972774 digits Apr 2022 Gregory Bennett; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4097700 1233534 digits May 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 327
max n: 4.999.999
n = 3 4 digits
n = 4 4 digits
n = 6 5 digits
n = 15 8 digits
n = 30 12 digits
n = 64 22 digits
n = 99 33 digits
n = 108 36 digits
n = 135 44 digits
n = 363 112 digits
n = 414 128 digits
n = 531 163 digits
n = 576 176 digits
n = 811 247 digits
n = 1326 402 digits
n = 1414 429 digits
n = 1476 447 digits
n = 1936 586 digits
n = 2371 717 digits
n = 3951 1192 digits
n = 4195 1266 digits
n = 13324 4014 digits Jul 1997 Jim Buddenhagen; Proth
n = 21696 6534 digits Oct 1996 Patrick Demichel
n = 23203 6988 digits 1996 Patrick Demichel
n = 35790 10777 digits Oct 2000 Nestor Sergio de Araujo Melo; Proth
n = 46950 14136 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 51756 15583 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 55174 16612 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 61876 18630 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 92487 27844 digits Nov 2000 Nestor Sergio de Araujo Melo; Proth
n = 134104 40372 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 691951 208301 digits Nov 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 706915 212806 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1743751 524924 digits Mar 2013 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
k: 329
max n: 4.999.999
n = 1 3 digits
n = 3 4 digits
n = 5 5 digits
n = 9 6 digits
n = 11 6 digits
n = 15 8 digits
n = 27 11 digits
n = 55 20 digits
n = 87 29 digits
n = 105 35 digits
n = 111 36 digits
n = 163 52 digits
n = 225 71 digits
n = 311 97 digits
n = 487 150 digits
n = 537 165 digits
n = 723 221 digits
n = 735 224 digits
n = 771 235 digits
n = 1515 459 digits
n = 1599 484 digits
n = 4685 1413 digits
n = 5523 1666 digits
n = 5895 1778 digits
n = 9723 2930 digits 1993 Harvey Dubner; Dubner Cruncher
n = 20107 6056 digits Oct 1996 Patrick Demichel
n = 55035 16570 digits Jun 2000 Nestor Sergio de Araujo Melo; Proth
n = 66355 19978 digits Jul 2000 Nestor Sergio de Araujo Melo; Proth
n = 108393 32633 digits Mar 2001 Göran Axelsson; Proth
n = 181189 54546 digits Jul 2004 Jay Berg; Proth
n = 455645 137166 digits May 2007 Ruediger K. Eckhard; LLR
n = 604999 182126 digits Dec 2008 Ruediger K. Eckhard; LLR
n = 623005 187546 digits May 2009 Dave Sunderland; srsieve; PrimeGrid; LLR
n = 829207 249619 digits Apr 2011 Allen Reed; PSieve; srsieve; PrimeGrid; LLR
n = 1019093 306781 digits May 2011 Jaakko Reinman; PSieve; srsieve; PrimeGrid; LLR
n = 1246017 375092 digits Jan 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 2099771 632097 digits Mar 2014 Simon Geis; PSieve; srsieve; PrimeGrid; LLR
n = 2163717 651347 digits Apr 2014 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 2266631 682327 digits Apr 2015 Don Palmer; PSieve; srsieve; PrimeGrid; LLR
n = 2348105 706853 digits Jun 2016 Barry Walsh; PSieve; srsieve; PrimeGrid; LLR
n = 2688221 809238 digits Dec 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3002295 903784 digits Apr 2021 Michael Ruber; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3518451 1059162 digits Jun 2016 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 4136019 1245069 digits Jun 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4193199 1262282 digits Jul 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 331
max n: 4.999.999
n = 4 4 digits
n = 8 5 digits
n = 12 7 digits
n = 20 9 digits
n = 28 11 digits
n = 36 14 digits
n = 120 39 digits
n = 184 58 digits
n = 200 63 digits
n = 756 231 digits
n = 788 240 digits
n = 1304 396 digits
n = 6412 1933 digits
n = 7848 2366 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12944 3900 digits
n = 40116 12079 digits Oct 1999 Thomas J. Engelsma; Proth
n = 45056 13566 digits Oct 1999 Thomas J. Engelsma; Proth
n = 67520 20329 digits Oct 1999 Thomas J. Engelsma; Proth
n = 129172 38888 digits Dec 1998 Lars A Carlen; Proth
n = 204592 61591 digits Nov 2003 Raffi Chaglassian; 'K' sieves; OpenPFGW
n = 225568 67906 digits Feb 2005 Peter Crickman; Proth
n = 615116 185171 digits Jan 2009 Ruediger K. Eckhard; LLR
n = 803668 241931 digits Feb 2011 Bill Scarince; PSieve; srsieve; PrimeGrid; LLR
n = 1646668 495699 digits Feb 2013 Dave Wintrip; PSieve; srsieve; PrimeGrid; LLR
n = 2917844 878362 digits Jan 2021 A.J.Brech; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 333
max n: 4.999.999
n = 5 5 digits
n = 6 5 digits
n = 9 6 digits
n = 18 8 digits
n = 25 11 digits
n = 33 13 digits
n = 50 18 digits
n = 54 19 digits
n = 69 24 digits
n = 70 24 digits
n = 101 33 digits
n = 153 49 digits
n = 176 56 digits
n = 245 77 digits
n = 401 124 digits
n = 448 138 digits
n = 745 227 digits
n = 768 234 digits
n = 806 246 digits
n = 840 256 digits
n = 1338 406 digits
n = 1718 520 digits
n = 3504 1058 digits
n = 4164 1257 digits
n = 5581 1683 digits
n = 5729 1728 digits
n = 6010 1812 digits
n = 6705 2021 digits Mar 1996 Patrick Demichel
n = 8076 2434 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10233 3083 digits
n = 12169 3666 digits
n = 13345 4020 digits Jul 1997 Jim Buddenhagen; Proth
n = 55285 16645 digits Jul 2000 Nestor Sergio de Araujo Melo; Proth
n = 58138 17504 digits May 1999 David Hanson; Proth
n = 113589 34197 digits Feb 2001 Nestor Sergio de Araujo Melo; Proth
n = 197820 59553 digits Nov 2003 Raffi Chaglassian; 'K' sieves; OpenPFGW
n = 203453 61248 digits Nov 2003 Raffi Chaglassian; 'K' sieves; OpenPFGW
n = 238130 71687 digits Jan 2004 Raffi Chaglassian; 'K' sieves; OpenPFGW
n = 364946 109863 digits Jan 2007 Dennis Okon; Proth
n = 817201 246005 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1068320 321599 digits Nov 2011 Tom Shewbridge; PSieve; srsieve; PrimeGrid; LLR
n = 1708106 514194 digits Mar 2013 Ralf Hentrich; PSieve; srsieve; PrimeGrid; LLR
n = 1837105 553027 digits Mar 2013 Andrew I. Fisan; PSieve; srsieve; PrimeGrid; LLR
k: 335
max n: 4.999.999
n = 19 9 digits
n = 23 10 digits
n = 29 12 digits
n = 173 55 digits
n = 263 82 digits
n = 295 92 digits
n = 659 201 digits
n = 803 245 digits
n = 1075 327 digits
n = 1087 330 digits
n = 1129 343 digits
n = 1189 361 digits
n = 3173 958 digits
n = 4519 1363 digits
n = 16277 4903 digits Feb 1998 Charles F. Kerchner III; Proth
n = 44425 13376 digits
n = 67069 20193 digits Sep 2000 Kirk Pearson; Proth
n = 103789 31247 digits Jan 2001 Nestor Sergio de Araujo Melo; Proth
n = 151319 45555 digits
n = 189379 57012 digits Aug 2004 Peter Crickman; Proth
n = 323767 97467 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 356029 107178 digits Feb 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 409429 123253 digits Oct 2006 Steven Harvey; FermFact; OpenPFGW
n = 528439 159079 digits May 2008 Steven Harvey; FermFact; OpenPFGW
n = 1335337 401980 digits Jan 2012 Michael D. Hittle; PSieve; srsieve; PrimeGrid; LLR
n = 3266237 983238 digits Jun 2022 Fred Roberts; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 337
max n: 4.999.999
n = 4 4 digits
n = 6 5 digits
n = 10 6 digits
n = 26 11 digits
n = 64 22 digits
n = 66 23 digits
n = 70 24 digits
n = 102 34 digits
n = 322 100 digits
n = 370 114 digits
n = 570 175 digits
n = 1750 530 digits
n = 1782 539 digits
n = 1974 597 digits
n = 2482 750 digits
n = 6886 2076 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7782 2346 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9784 2948 digits 1993 Harvey Dubner; Dubner Cruncher
n = 20476 6167 digits Oct 1996 Patrick Demichel
n = 34826 10487 digits Jul 1998 David Hanson; Proth
n = 37546 11305 digits Oct 1999 Thomas J. Engelsma; Proth
n = 46566 14021 digits Oct 1999 Thomas J. Engelsma; Proth
n = 47800 14392 digits May 1996 Patrick Demichel
n = 132962 40029 digits Feb 2001 Nestor Sergio de Araujo Melo; Proth
n = 184230 55462 digits Aug 2004 Peter Crickman; Proth
n = 257930 77648 digits Mar 2005 Peter Crickman; Proth
n = 286554 86264 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 370274 111467 digits Jan 2007 Dennis Okon; Proth
n = 544852 164020 digits Feb 2009 Eric Ueda; srsieve; PrimeGrid; LLR
n = 648856 195328 digits May 2009 Ron Sheckler; srsieve; PrimeGrid; LLR
n = 2585660 778364 digits Apr 2018 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 2750860 828094 digits Jul 2019 Brendon Gory; PSieve; srsieve; PrimeGrid; LLR
n = 3274106 985607 digits Jul 2022 Scott Lee; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 339
max n: 4.999.999
n = 3 4 digits
n = 11 6 digits
n = 17 8 digits
n = 21 9 digits
n = 26 11 digits
n = 50 18 digits
n = 62 22 digits
n = 125 41 digits
n = 165 53 digits
n = 278 87 digits
n = 290 90 digits
n = 1227 372 digits
n = 1275 387 digits
n = 1325 402 digits
n = 2153 651 digits
n = 2450 741 digits
n = 2811 849 digits
n = 3327 1005 digits
n = 5921 1785 digits
n = 6321 1906 digits
n = 7095 2139 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8657 2609 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8786 2648 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9687 2919 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12221 3682 digits
n = 14163 4267 digits Feb 1998 Ray Ballinger; Proth
n = 30686 9240 digits
n = 63975 19261 digits Oct 2000 Peter Crickman; Proth
n = 73767 22209 digits Jan 2001 Nestor Sergio de Araujo Melo; Proth
n = 132551 39905 digits Mar 2001 Nestor Sergio de Araujo Melo; Proth
n = 356991 107468 digits Feb 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 364797 109818 digits Nov 2006 Dennis Okon; Proth
n = 442065 133078 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 464483 139826 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 559637 168471 digits Feb 2009 Stephen Moody; srsieve; PrimeGrid; LLR
n = 632297 190343 digits Apr 2009 Michael Spall; srsieve; PrimeGrid; LLR
n = 972755 292831 digits Nov 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1685135 507279 digits Feb 2013 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 2408337 724985 digits Sep 2016 Barry Walsh; PSieve; srsieve; PrimeGrid; LLR
n = 3974295 1196385 digits Mar 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4592225 1382401 digits Feb 2024 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 341
max n: 4.999.999
n = 1 3 digits
n = 3 4 digits
n = 7 5 digits
n = 19 9 digits
n = 21 9 digits
n = 33 13 digits
n = 43 16 digits
n = 99 33 digits
n = 183 58 digits
n = 235 74 digits
n = 499 153 digits
n = 579 177 digits
n = 1137 345 digits
n = 1225 372 digits
n = 1941 587 digits
n = 1987 601 digits
n = 2409 728 digits
n = 3285 992 digits
n = 9093 2740 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9121 2749 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11043 3327 digits May 1996 Patrick Demichel
n = 14997 4518 digits Feb 1998 Ray Ballinger; Proth
n = 17919 5397 digits Oct 1996 Patrick Demichel
n = 31543 9498 digits
n = 57163 17211 digits Oct 2000 Nestor Sergio de Araujo Melo; Proth
n = 83595 25168 digits Mar 2001 Nestor Sergio de Araujo Melo; Proth
n = 127915 38509 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 129199 38896 digits Dec 1998 Lars A Carlen; Proth
n = 220651 66426 digits Apr 2005 Peter Crickman; Proth
n = 384961 115888 digits Dec 2006 Dennis Okon; Proth
n = 1255881 378061 digits Jan 2012 Christophe Hippeau; PSieve; srsieve; PrimeGrid; LLR
n = 1325277 398951 digits Jan 2012 John Longden; PSieve; srsieve; PrimeGrid; LLR
n = 1728697 520393 digits Mar 2013 Yuki Yoshigoe; PSieve; srsieve; PrimeGrid; LLR
n = 3300789 993640 digits Jul 2022 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3686613 1109784 digits Jul 2022 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3938565 1185629 digits Feb 2023 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 343
max n: 4.999.999
n = 2 4 digits
n = 20 9 digits
n = 22 10 digits
n = 46 17 digits
n = 58 20 digits
n = 226 71 digits
n = 3760 1135 digits
n = 7060 2128 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16192 4877 digits Feb 1998 Charles F. Kerchner III; Proth
n = 22018 6631 digits
n = 35576 10712 digits
n = 103952 31296 digits Nov 2001 Anton Oleynick; Proth
n = 113326 34118 digits May 2003 John Metcalf; Proth
n = 120716 36342 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 285122 85833 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 543148 163507 digits Feb 2009 Alan J Hidy; srsieve; PrimeGrid; LLR
n = 785510 236465 digits Aug 2010 Wolfgang Straubinger; srsieve; PrimeGrid; LLR
n = 1033126 311005 digits Mar 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
k: 345
max n: 4.999.999
n = 1 3 digits
n = 2 4 digits
n = 4 4 digits
n = 8 5 digits
n = 9 6 digits
n = 11 6 digits
n = 15 8 digits
n = 18 8 digits
n = 20 9 digits
n = 24 10 digits
n = 30 12 digits
n = 40 15 digits
n = 47 17 digits
n = 87 29 digits
n = 88 30 digits
n = 150 48 digits
n = 154 49 digits
n = 166 53 digits
n = 195 62 digits
n = 264 83 digits
n = 360 111 digits
n = 412 127 digits
n = 438 135 digits
n = 546 167 digits
n = 569 174 digits
n = 621 190 digits
n = 625 191 digits
n = 778 237 digits
n = 814 248 digits
n = 1041 316 digits
n = 1189 361 digits
n = 1302 395 digits
n = 1356 411 digits
n = 1397 424 digits
n = 1465 444 digits
n = 1541 467 digits
n = 1549 469 digits
n = 1568 475 digits
n = 3246 980 digits
n = 6557 1977 digits
n = 6627 1998 digits
n = 9477 2856 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10552 3180 digits
n = 12744 3839 digits
n = 13515 4071 digits Jul 1997 Jim Buddenhagen; Proth
n = 14850 4473 digits Feb 1998 Ray Ballinger; Proth
n = 15951 4805 digits Feb 1998 Charles F. Kerchner III; Proth
n = 18378 5535 digits Oct 1996 Patrick Demichel
n = 18456 5559 digits Oct 1996 Patrick Demichel
n = 27705 8343 digits Jun 1998 David Hanson; Proth
n = 27719 8347 digits Jun 1998 David Hanson; Proth
n = 27815 8376 digits Jun 1998 David Hanson; Proth
n = 30165 9084 digits Jun 1998 Ola Svallmark; Proth
n = 32121 9672 digits Feb 1999 Iago L Camboa; Proth
n = 41780 12580 digits
n = 43276 13030 digits
n = 48136 14493 digits
n = 49048 14768 digits Mar 2000 Peter Shaw; Proth
n = 62526 18825 digits Dec 2000 Peter Crickman; Proth
n = 79172 23836 digits Mar 2001 Nestor Sergio de Araujo Melo; Proth
n = 87977 26487 digits Mar 2001 Nestor Sergio de Araujo Melo; Proth
n = 103500 31160 digits Nov 2001 Anton Oleynick; Proth
n = 144054 43368 digits Feb 2002 Michael Angel; OpenPFGW
n = 155708 46876 digits Feb 2002 Michael Angel; OpenPFGW
n = 161261 48547 digits Feb 2002 Michael Angel; OpenPFGW
n = 180726 54407 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 181434 54620 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 194562 58572 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 213060 64140 digits Jan 2005 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 261455 78709 digits Mar 2005 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 441719 132974 digits Oct 2007 Ruediger K. Eckhard; LLR
n = 442566 133229 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 459204 138237 digits Oct 2007 Ruediger K. Eckhard; LLR
n = 525977 158338 digits Sep 2007 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 613086 184560 digits Apr 2009 Stanislav Helvich; srsieve; PrimeGrid; LLR
n = 633911 190829 digits Apr 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 808726 243454 digits Feb 2011 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 838479 252410 digits Apr 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 958896 288659 digits Dec 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1010394 304162 digits Mar 2011 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1039566 312944 digits Nov 2011 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1051282 316470 digits Nov 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1335896 402148 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1441905 434060 digits Jan 2012 James Nobis; PSieve; srsieve; PrimeGrid; LLR
n = 2042295 614795 digits Feb 2014 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 2405701 724191 digits Sep 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2792269 840560 digits Jul 2019 Ricky L Hubbard; PSieve; srsieve; PrimeGrid; LLR
n = 3027769 911452 digits May 2021 Sota Tajika; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3532957 1063529 digits Jun 2016 William de Thomas; PSieve; srsieve; PrimeGrid; LLR
n = 3779921 1137873 digits Sep 2022 Jonathan Drake; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3817949 1149320 digits Nov 2022 Alexander E. Baranchikov; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4173969 1256493 digits Jul 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 347
max n: 4.999.999
n = 3 4 digits
n = 7 5 digits
n = 15 8 digits
n = 23 10 digits
n = 27 11 digits
n = 175 56 digits
n = 259 81 digits
n = 391 121 digits
n = 607 186 digits
n = 679 207 digits
n = 863 263 digits
n = 927 282 digits
n = 999 304 digits
n = 1339 406 digits
n = 1371 416 digits
n = 1555 471 digits
n = 2103 636 digits
n = 2151 651 digits
n = 2715 820 digits
n = 5619 1695 digits
n = 6411 1933 digits
n = 7055 2127 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12927 3894 digits
n = 19015 5727 digits Oct 1996 Patrick Demichel
n = 26095 7858 digits
n = 42523 12804 digits
n = 45719 13766 digits
n = 55519 16716 digits Sep 2000 Nestor Sergio de Araujo Melo; Proth
n = 70971 21367 digits Feb 2001 Nestor Sergio de Araujo Melo; Proth
n = 87663 26392 digits Mar 2001 Nestor Sergio de Araujo Melo; Proth
n = 176007 52986 digits Nov 2004 Peter Crickman; Proth
n = 243391 73271 digits Apr 2005 Peter Crickman; Proth
n = 287083 86424 digits Jan 2006 Steven Harvey; FermFact; OpenPFGW
n = 544887 164030 digits Feb 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 696327 209618 digits Dec 2009 Matthias Holzinger; srsieve; PrimeGrid; LLR
n = 902995 271832 digits Jan 2010 Ruediger K. Eckhard; LLR
n = 1041223 313442 digits Nov 2011 Oliver Gurney Champion; PSieve; srsieve; PrimeGrid; LLR
n = 1061675 319599 digits Nov 2011 Lawrence Weetman; PSieve; srsieve; PrimeGrid; LLR
n = 1218211 366721 digits Jan 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1355595 408078 digits Jan 2012 Ovidiu Cioca; PSieve; srsieve; PrimeGrid; LLR
n = 1372215 413081 digits Jan 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1887507 568199 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 3737875 1125216 digits Aug 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4798851 1444601 digits Mar 2024 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 349
max n: 4.999.999
n = 10 6 digits
n = 26 11 digits
n = 38 14 digits
n = 46 17 digits
n = 1114 338 digits
n = 2294 694 digits
n = 26566 8000 digits
n = 115870 34883 digits Apr 2003 B. H. Zhan; Proth
n = 433066 130369 digits Mar 2007 Ruediger K. Eckhard; LLR
n = 561646 169075 digits Mar 2009 Jennings Johnson; srsieve; PrimeGrid; LLR
k: 351
max n: 4.999.999
n = 12 7 digits
n = 13 7 digits
n = 15 8 digits
n = 31 12 digits
n = 36 14 digits
n = 45 17 digits
n = 53 19 digits
n = 123 40 digits
n = 153 49 digits
n = 155 50 digits
n = 172 55 digits
n = 223 70 digits
n = 247 77 digits
n = 269 84 digits
n = 287 89 digits
n = 353 109 digits
n = 1416 429 digits
n = 2601 786 digits
n = 3525 1064 digits
n = 3833 1157 digits
n = 4709 1421 digits
n = 5533 1669 digits
n = 6091 1837 digits
n = 6163 1858 digits
n = 7545 2274 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7879 2375 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10995 3313 digits
n = 11036 3325 digits May 1996 Patrick Demichel
n = 12361 3724 digits
n = 12953 3902 digits
n = 13132 3956 digits
n = 13252 3992 digits Oct 1996 Tadashi Taura
n = 19885 5989 digits Oct 1996 Patrick Demichel
n = 20108 6056 digits Oct 1996 Patrick Demichel
n = 22891 6894 digits 1996 Patrick Demichel
n = 28795 8671 digits
n = 33195 9996 digits
n = 34213 10302 digits Sep 1998 Tadashi Taura; Proth
n = 39372 11855 digits
n = 46689 14058 digits
n = 57273 17244 digits Oct 2000 Nestor Sergio de Araujo Melo; Proth
n = 62733 18888 digits Dec 2000 Peter Crickman; Proth
n = 66492 20019 digits Dec 2000 Peter Crickman; Proth
n = 68291 20561 digits Dec 2000 Peter Crickman; Proth
n = 79685 23991 digits Mar 2001 Nestor Sergio de Araujo Melo; Proth
n = 94415 28425 digits Sep 2001 David Terr; Proth
n = 99837 30057 digits Sep 2001 David Terr; Proth
n = 137697 41454 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 164865 49632 digits Feb 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 177629 53475 digits Feb 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 177815 53531 digits Feb 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 277896 83658 digits Apr 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 299793 90250 digits May 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 312439 94057 digits Jun 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 449453 135302 digits Feb 2005 Peter Grobstich; NewPGen; PRP; Proth
n = 588325 177107 digits Mar 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 680731 204923 digits Oct 2009 Jeff Webster; srsieve; PrimeGrid; LLR
n = 721669 217247 digits Feb 2010 Benoãt Perichon; srsieve; PrimeGrid; LLR
n = 789555 237683 digits Sep 2010 Dale Laluk; srsieve; PrimeGrid; LLR
n = 825183 248408 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1010661 304242 digits Mar 2011 Jon Antonides; PSieve; srsieve; PrimeGrid; LLR
n = 1221009 367563 digits Jan 2012 Greg Gatewood; PSieve; srsieve; PrimeGrid; LLR
n = 1306875 393412 digits Jan 2012 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1954003 588217 digits Aug 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 3545752 1067381 digits Jun 2016 Sylvanus A. Zimmerman; PSieve; srsieve; PrimeGrid; LLR
n = 3815467 1148573 digits Nov 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 353
max n: 4.999.999
n = 21 9 digits
n = 369 114 digits
n = 143841 43304 digits Feb 2003 Hans Overmann; Proth
n = 286149 86142 digits Oct 2003 Hans Overmann; Proth
k: 355
max n: 4.999.999
n = 6 5 digits
n = 12 7 digits
n = 24 10 digits
n = 34 13 digits
n = 46 17 digits
n = 138 45 digits
n = 174 55 digits
n = 816 249 digits
n = 1164 353 digits
n = 1668 505 digits
n = 1704 516 digits
n = 5334 1609 digits
n = 10126 3051 digits
n = 11340 3417 digits May 1996 Patrick Demichel
n = 13818 4163 digits Jul 1997 Jim Buddenhagen; Proth
n = 18564 5591 digits Oct 1996 Patrick Demichel
n = 82968 24979 digits Sep 2001 David Terr; Proth
n = 202986 61108 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 241368 72662 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 285492 85945 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 1482390 446247 digits Feb 2012 Eugeny Mamonov; PSieve; srsieve; PrimeGrid; LLR
n = 3027372 911333 digits May 2021 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 357
max n: 4.999.999
n = 2 4 digits
n = 3 4 digits
n = 7 5 digits
n = 8 5 digits
n = 10 6 digits
n = 14 7 digits
n = 18 8 digits
n = 23 10 digits
n = 26 11 digits
n = 27 11 digits
n = 35 14 digits
n = 44 16 digits
n = 46 17 digits
n = 50 18 digits
n = 55 20 digits
n = 56 20 digits
n = 59 21 digits
n = 67 23 digits
n = 80 27 digits
n = 115 38 digits
n = 138 45 digits
n = 248 78 digits
n = 280 87 digits
n = 319 99 digits
n = 372 115 digits
n = 416 128 digits
n = 454 140 digits
n = 624 191 digits
n = 662 202 digits
n = 686 210 digits
n = 702 214 digits
n = 707 216 digits
n = 806 246 digits
n = 847 258 digits
n = 866 264 digits
n = 1422 431 digits
n = 1930 584 digits
n = 2115 640 digits
n = 2835 856 digits
n = 3283 991 digits
n = 3358 1014 digits
n = 3510 1060 digits
n = 4420 1334 digits
n = 9284 2798 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10007 3015 digits
n = 10990 3311 digits
n = 13775 4150 digits Jul 1997 Jim Buddenhagen; Proth
n = 14466 4358 digits Feb 1998 Ray Ballinger; Proth
n = 14558 4385 digits
n = 16099 4849 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16319 4916 digits Feb 1998 Charles F. Kerchner III; Proth
n = 22116 6661 digits 1996 Patrick Demichel
n = 24318 7324 digits
n = 35567 10710 digits Aug 2000 Nestor Sergio de Araujo Melo; Proth
n = 49420 14880 digits
n = 54392 16377 digits Sep 2000 Nestor Sergio de Araujo Melo; Proth
n = 56306 16953 digits Sep 2000 Nestor Sergio de Araujo Melo; Proth
n = 87607 26375 digits Nov 2000 Nestor Sergio de Araujo Melo; Proth
n = 122339 36831 digits Apr 2001 Nestor Sergio de Araujo Melo; Proth
n = 125339 37734 digits Apr 2001 Nestor Sergio de Araujo Melo; Proth
n = 185400 55814 digits Mar 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 221430 66660 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 286262 86177 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 286672 86300 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 299826 90260 digits Jan 2006 Steven Harvey; FermFact; OpenPFGW
n = 311519 93780 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 406810 122465 digits Nov 2006 Steven Harvey; FermFact; OpenPFGW
n = 836586 251841 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 849599 255758 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1006483 302985 digits Feb 2011 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1051783 316621 digits Nov 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1311930 394933 digits Jan 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1355535 408060 digits Jan 2012 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 1491595 449018 digits Feb 2012 Michael Huenicke; PSieve; srsieve; PrimeGrid; LLR
n = 1615655 486364 digits Mar 2013 Ken Micom; PSieve; srsieve; PrimeGrid; LLR
n = 1679872 505695 digits Feb 2013 Yannick Berker; PSieve; srsieve; PrimeGrid; LLR
n = 1739732 523715 digits Mar 2013 Pekka Pasanen; PSieve; srsieve; PrimeGrid; LLR
n = 2026846 610144 digits Feb 2014 Bart van Rooijen; PSieve; srsieve; PrimeGrid; LLR
n = 2148518 646771 digits Apr 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3273543 985438 digits Jul 2022 Wolfgang Schwieger; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4843507 1458044 digits Mar 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4972628 1496913 digits Apr 2024 Marshall Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 359
max n: 4.999.999
n = 1 3 digits
n = 5 5 digits
n = 7 5 digits
n = 9 6 digits
n = 47 17 digits
n = 55 20 digits
n = 65 23 digits
n = 69 24 digits
n = 97 32 digits
n = 103 34 digits
n = 273 85 digits
n = 1231 374 digits
n = 1721 521 digits
n = 2277 689 digits
n = 3981 1201 digits
n = 4125 1245 digits
n = 4569 1378 digits
n = 5135 1549 digits
n = 8327 2510 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8593 2590 digits 1993 Harvey Dubner; Dubner Cruncher
n = 24249 7303 digits May 1996 Patrick Demichel
n = 37609 11324 digits
n = 396617 119397 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 633247 190629 digits Apr 2009 Andreas Adolfsson; srsieve; PrimeGrid; LLR
n = 920709 277164 digits May 2010 Ruediger K. Eckhard; LLR
n = 2165551 651899 digits Apr 2014 Darren Boyden; PSieve; srsieve; PrimeGrid; LLR
n = 2870935 864241 digits Jun 2020 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 4578161 1378167 digits Feb 2024 Naotaka Tamai; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 361
max n: 4.999.999
n = 28 11 digits
n = 36 14 digits
n = 100 33 digits
n = 312 97 digits
n = 568 174 digits
n = 2584 781 digits
n = 9144 2756 digits 1993 Harvey Dubner; Dubner Cruncher
n = 37284 11227 digits Jun 1999 Stephen Scott; Proth
n = 96720 29119 digits Sep 2000 Nestor Sergio de Araujo Melo; Proth
n = 105132 31651 digits Nov 2001 Anton Oleynick; Proth
n = 147084 44280 digits
n = 222292 66920 digits Sep 2004 Martin Weil; Proth
n = 280728 84511 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 292600 88084 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 1459308 439299 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 2312832 696235 digits Mar 2016 Brad Johnston; PSieve; srsieve; PrimeGrid; LLR
n = 2424232 729770 digits Nov 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 363
max n: 4.999.999
n = 1 3 digits
n = 2 4 digits
n = 5 5 digits
n = 16 8 digits
n = 29 12 digits
n = 61 21 digits
n = 136 44 digits
n = 145 47 digits
n = 157 50 digits
n = 178 57 digits
n = 560 172 digits
n = 581 178 digits
n = 1001 304 digits
n = 1234 375 digits
n = 1325 402 digits
n = 1370 415 digits
n = 1405 426 digits
n = 1541 467 digits
n = 2761 834 digits
n = 2984 901 digits
n = 5441 1641 digits
n = 6386 1925 digits
n = 9769 2944 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10756 3241 digits
n = 14144 4261 digits Feb 1998 Ray Ballinger; Proth
n = 18385 5537 digits Oct 1996 Patrick Demichel
n = 26233 7900 digits Oct 2000 Nestor Sergio de Araujo Melo; Proth
n = 27496 8280 digits
n = 42422 12773 digits Sep 1998 Tadashi Taura; Proth
n = 48865 14713 digits
n = 72473 21820 digits Apr 2001 David Terr; Proth
n = 115372 34733 digits
n = 123262 37109 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 123836 37281 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 229264 69018 digits Jan 2004 John Dilick; NewPGen; Proth
n = 359725 108291 digits Feb 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 401653 120913 digits Nov 2006 Steven Harvey; FermFact; OpenPFGW
n = 484076 145724 digits Apr 2008 Ruediger K. Eckhard; LLR
n = 611998 184233 digits Mar 2009 Rodney Cyr; srsieve; PrimeGrid; LLR
n = 762961 229677 digits Feb 2010 Bryan Barnett; srsieve; PrimeGrid; LLR
n = 1319756 397289 digits Jan 2012 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 1752116 527443 digits Mar 2013 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1932724 581811 digits Aug 2013 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 2890208 870042 digits Oct 2020 Serge Batalov; PSieve; srsieve; PrimeGrid; LLR
n = 4119017 1239951 digits Jun 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4334518 1304823 digits Oct 2023 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 365
max n: 4.999.999
n = 5 5 digits
n = 11 6 digits
n = 19 9 digits
n = 63 22 digits
n = 93 31 digits
n = 95 32 digits
n = 103 34 digits
n = 147 47 digits
n = 275 86 digits
n = 293 91 digits
n = 539 165 digits
n = 623 191 digits
n = 1115 339 digits
n = 1181 359 digits
n = 1691 512 digits
n = 1811 548 digits
n = 2711 819 digits
n = 2919 882 digits
n = 3467 1047 digits
n = 4067 1227 digits
n = 5115 1543 digits
n = 5815 1754 digits
n = 6279 1893 digits
n = 7877 2374 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8831 2661 digits 1993 Harvey Dubner; Dubner Cruncher
n = 18717 5637 digits Oct 1996 Patrick Demichel
n = 24399 7348 digits
n = 25125 7566 digits Apr 1998 Ray Ballinger; Proth
n = 27199 8191 digits
n = 32823 9884 digits Jul 1998 David Hanson; Proth
n = 122075 36751 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 162789 49007 digits Apr 2004 Jan Buda; Proth
n = 276735 83309 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 561783 169117 digits Mar 2009 Stephen Moody; srsieve; PrimeGrid; LLR
n = 586189 176464 digits Mar 2009 Doug Barker; srsieve; PrimeGrid; LLR
n = 1577413 474852 digits Feb 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2355607 709111 digits Jun 2016 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 2494991 751070 digits Jun 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 367
max n: 4.999.999
n = 12 7 digits
n = 48 18 digits
n = 72 25 digits
n = 84 28 digits
n = 228 72 digits
n = 306 95 digits
n = 360 111 digits
n = 404 125 digits
n = 524 161 digits
n = 1062 323 digits
n = 1992 603 digits
n = 4320 1304 digits
n = 4460 1346 digits
n = 9396 2832 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10832 3264 digits
n = 15834 4770 digits Feb 1998 Charles F. Kerchner III; Proth
n = 43500 13098 digits Jun 1999 Stephen Scott; Proth
n = 117828 35473 digits May 2003 John Metcalf; Proth
n = 142760 42978 digits
n = 204360 61522 digits Mar 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 251898 75832 digits Mar 2004 Peter Grobstich; NewPGen; PRP; Proth
n = 693348 208722 digits Nov 2009 Dave Sunderland; srsieve; PrimeGrid; LLR
n = 713484 214783 digits Mar 2010 Dusan Vykouril; srsieve; PrimeGrid; LLR
n = 1103912 332314 digits Nov 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 3004536 904459 digits Apr 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3712952 1117713 digits Aug 2022 Honza Cholt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 369
max n: 4.999.999
n = 1 3 digits
n = 3 4 digits
n = 13 7 digits
n = 39 15 digits
n = 61 21 digits
n = 99 33 digits
n = 111 36 digits
n = 121 39 digits
n = 142 46 digits
n = 385 119 digits
n = 1753 531 digits
n = 2203 666 digits
n = 2581 780 digits
n = 3603 1088 digits
n = 8674 2614 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10507 3166 digits
n = 13815 4162 digits Jul 1997 Jim Buddenhagen; Proth
n = 19231 5792 digits Oct 1996 Patrick Demichel
n = 49255 14830 digits
n = 53593 16136 digits Sep 2000 Nestor Sergio de Araujo Melo; Proth
n = 56754 17088 digits Sep 2000 Nestor Sergio de Araujo Melo; Proth
n = 73849 22234 digits Apr 2001 David Terr; Proth
n = 98655 29701 digits Oct 2001 David Terr; Proth
n = 100710 30320 digits Oct 2001 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 171001 51479 digits Jun 2000 David Underbakke; Proth
n = 241359 72659 digits Jul 2005 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 423535 127500 digits Jan 2007 Ruediger K. Eckhard; LLR
n = 617047 185753 digits Apr 2009 Michael D. Haines; srsieve; PrimeGrid; LLR
n = 623979 187839 digits Apr 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 1209435 364079 digits Dec 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1240510 373434 digits Jan 2012 David Cannell; PSieve; srsieve; PrimeGrid; LLR
n = 2093022 630065 digits Mar 2014 Marshall Bishop; PSieve; srsieve; PrimeGrid; OpenPFGW; LLR
n = 2846547 856899 digits Feb 2020 Eric Nietering; PSieve; srsieve; PrimeGrid; LLR
n = 3365614 1013154 digits Apr 2016 Will Steinbach; PSieve; srsieve; PrimeGrid; LLR
n = 3805321 1145519 digits Oct 2022 Mike Parker; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 371
max n: 4.999.999
n = 1 3 digits
n = 3 4 digits
n = 23 10 digits
n = 27 11 digits
n = 39 15 digits
n = 41 15 digits
n = 97 32 digits
n = 101 33 digits
n = 123 40 digits
n = 183 58 digits
n = 201 64 digits
n = 311 97 digits
n = 411 127 digits
n = 519 159 digits
n = 551 169 digits
n = 557 171 digits
n = 867 264 digits
n = 1583 480 digits
n = 1607 487 digits
n = 2007 607 digits
n = 2207 667 digits
n = 2213 669 digits
n = 5999 1809 digits
n = 8253 2487 digits 1993 Harvey Dubner; Dubner Cruncher
n = 15573 4691 digits Feb 1998 Charles F. Kerchner III; Proth
n = 23163 6976 digits
n = 29939 9016 digits
n = 36371 10952 digits
n = 40403 12166 digits
n = 61977 18660 digits Apr 2000 Jo Yeong Uk; Proth
n = 126861 38192 digits Jan 2001 Jo Yeong Uk; Proth
n = 127419 38360 digits Jan 2001 Jo Yeong Uk; Proth
n = 267911 80652 digits May 2005 Hans Overmann; Proth
n = 299159 90059 digits May 2005 Hans Overmann; Proth
n = 341511 102808 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 367439 110613 digits Jan 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 373847 112542 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 614517 184991 digits Mar 2009 Mark Codding; srsieve; PrimeGrid; LLR
n = 665639 200380 digits Aug 2009 Ian Bartholomew; srsieve; PrimeGrid; LLR
n = 1099061 330853 digits Nov 2011 John Williams; PSieve; srsieve; PrimeGrid; LLR
n = 1475337 444124 digits Feb 2012 許世甫 Chih Fu Hsu; PSieve; srsieve; PrimeGrid; LLR
n = 1559073 469331 digits Feb 2013 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 2150871 647480 digits Apr 2014 Masato Nose; PSieve; srsieve; PrimeGrid; LLR
n = 2651663 798233 digits Sep 2018 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 2907377 875211 digits Dec 2020 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4715211 1419423 digits Feb 2024 Frank Doornink; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 373
max n: 4.999.999
n = 2 4 digits
n = 6 5 digits
n = 14 7 digits
n = 36 14 digits
n = 62 22 digits
n = 92 31 digits
n = 122 40 digits
n = 292 91 digits
n = 758 231 digits
n = 4436 1338 digits
n = 5526 1667 digits
n = 11066 3334 digits May 1996 Patrick Demichel
n = 14076 4240 digits Feb 1998 Ray Ballinger; Proth
n = 17036 5131 digits May 1996 Patrick Demichel
n = 23618 7113 digits
n = 25412 7653 digits Jun 1998 Ray Ballinger; Proth
n = 33692 10145 digits
n = 61358 18474 digits Oct 2000 Daval Davis; Proth
n = 71018 21382 digits
n = 92156 27745 digits Sep 2001 Daniel Hermle; Proth
n = 158476 47709 digits Oct 2001 Daniel Hermle; Proth
n = 334026 100555 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 641606 193146 digits Apr 2009 Peter Tibbott; srsieve; PrimeGrid; LLR
n = 3036746 914155 digits May 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3404702 1024921 digits May 2016 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
n = 4487274 1350807 digits Jan 2024 Brian D. Niegocki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 375
max n: 4.999.999
n = 1 3 digits
n = 3 4 digits
n = 6 5 digits
n = 8 5 digits
n = 10 6 digits
n = 13 7 digits
n = 14 7 digits
n = 16 8 digits
n = 17 8 digits
n = 21 9 digits
n = 22 10 digits
n = 26 11 digits
n = 30 12 digits
n = 32 13 digits
n = 33 13 digits
n = 39 15 digits
n = 49 18 digits
n = 53 19 digits
n = 152 49 digits
n = 162 52 digits
n = 181 58 digits
n = 233 73 digits
n = 328 102 digits
n = 576 176 digits
n = 629 192 digits
n = 666 204 digits
n = 824 251 digits
n = 850 259 digits
n = 919 280 digits
n = 1131 344 digits
n = 1738 526 digits
n = 1782 540 digits
n = 1957 592 digits
n = 1983 600 digits
n = 2601 786 digits
n = 2643 799 digits
n = 2729 825 digits
n = 2784 841 digits
n = 2817 851 digits
n = 2973 898 digits
n = 3226 974 digits
n = 3478 1050 digits
n = 3759 1135 digits May 1996 Patrick Demichel
n = 5479 1652 digits
n = 6642 2003 digits
n = 10889 3281 digits
n = 12869 3877 digits
n = 15926 4797 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16718 5036 digits May 1996 Patrick Demichel
n = 18022 5428 digits Oct 1996 Patrick Demichel
n = 23104 6958 digits 1996 Patrick Demichel
n = 27901 8402 digits Jun 1998 David Hanson; Proth
n = 36168 10891 digits
n = 39850 11999 digits
n = 41227 12414 digits Dec 1999 Alfredo Cano; Proth
n = 48984 14749 digits
n = 60693 18273 digits Feb 1999 David Hanson; Proth
n = 61423 18493 digits Oct 2000 Daval Davis; Proth
n = 67469 20313 digits Oct 2000 Daval Davis; Proth
n = 94190 28357 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 101037 30418 digits Nov 2001 Anton Oleynick; Proth
n = 101046 30421 digits Nov 2001 Anton Oleynick; Proth
n = 106736 32134 digits Nov 2001 Anton Oleynick; Proth
n = 107139 32255 digits Nov 2001 Anton Oleynick; Proth
n = 126096 37962 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 129298 38926 digits Jun 1999 Lars A Carlen; Proth
n = 158463 47705 digits
n = 203442 61245 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 207936 62598 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 209240 62991 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 224232 67504 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 274741 82708 digits Jun 2005 Hans Overmann; Proth
n = 321490 96781 digits Jan 2006 Jun Tajima; NewPGen; PRP; Proth
n = 428451 128980 digits Jun 2006 Jun Tajima; NewPGen; PRP; Proth
n = 485466 146143 digits Sep 2006 Jun Tajima; NewPGen; PRP; Proth
n = 546458 164503 digits Feb 2009 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 671720 202211 digits Aug 2009 Dale Laluk; srsieve; PrimeGrid; LLR
n = 726199 218611 digits Feb 2010 Steven F. Bohl; srsieve; PrimeGrid; LLR
n = 995829 299777 digits Feb 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1244550 374650 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1806591 543841 digits Mar 2013 Charles E. Nadeau; PSieve; srsieve; PrimeGrid; LLR
n = 2071598 623616 digits Mar 2014 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 2401881 723041 digits Sep 2016 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 3733510 1123902 digits Aug 2022 Andy Barr; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3884634 1169394 digits Jan 2023 Ruben Steinberg; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4824253 1452248 digits Mar 2024 Dirk Sellsted; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4950021 1490108 digits Apr 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 377
max n: 4.999.999
n = 11 6 digits
n = 143 46 digits
n = 619 189 digits
n = 3859 1165 digits 1984 Hiromi Suyama
n = 2452639 738321 digits Feb 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 379
max n: 4.999.999
n = 14 7 digits
n = 26 11 digits
n = 30 12 digits
n = 94 31 digits
n = 334 104 digits
n = 498 153 digits
n = 714 218 digits
n = 1446 438 digits
n = 2086 631 digits
n = 110994 33416 digits
n = 257734 77589 digits Jun 2005 Hans Overmann; Proth
n = 314070 94548 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1453534 437560 digits Jan 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
k: 381
max n: 4.999.999
n = 3 4 digits
n = 15 8 digits
n = 17 8 digits
n = 20 9 digits
n = 21 9 digits
n = 41 15 digits
n = 44 16 digits
n = 51 18 digits
n = 113 37 digits
n = 140 45 digits
n = 179 57 digits
n = 219 69 digits
n = 249 78 digits
n = 323 100 digits
n = 461 142 digits
n = 521 160 digits
n = 671 205 digits
n = 680 208 digits
n = 692 211 digits
n = 695 212 digits
n = 716 219 digits
n = 809 247 digits
n = 825 251 digits
n = 887 270 digits
n = 897 273 digits
n = 1055 321 digits
n = 1439 436 digits
n = 1641 497 digits
n = 2873 868 digits
n = 4103 1238 digits
n = 4593 1386 digits
n = 6912 2084 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9551 2878 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13472 4059 digits Jul 1997 Jim Buddenhagen; Proth
n = 21131 6364 digits Oct 1996 Patrick Demichel
n = 23403 7048 digits 1996 Patrick Demichel
n = 101225 30475 digits Nov 2001 Anton Oleynick; Proth
n = 104471 31452 digits Nov 2001 Anton Oleynick; Proth
n = 135993 40941 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 163931 49351 digits
n = 169824 51125 digits
n = 182969 55082 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 224085 67459 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 273672 82387 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 287543 86562 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 309701 93232 digits Feb 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 315812 95072 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 409395 123243 digits Dec 2006 Steven Harvey; FermFact; OpenPFGW
n = 428660 129043 digits Jan 2007 Ruediger K. Eckhard; LLR
n = 461496 138927 digits Jun 2008 Ruediger K. Eckhard; LLR
n = 636195 191517 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 893913 269098 digits May 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 914549 275310 digits Mar 2010 Ruediger K. Eckhard; LLR
n = 1279983 385316 digits Jan 2012 Michael Wild; PSieve; srsieve; PrimeGrid; LLR
n = 1771493 533276 digits Mar 2013 Earl Crane; PSieve; srsieve; PrimeGrid; LLR
n = 2103999 633370 digits Apr 2014 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2314743 696810 digits Mar 2016 Rich Tesarz; PSieve; srsieve; PrimeGrid; LLR
n = 3563676 1072776 digits Jun 2016 Milan Fňašek; PSieve; srsieve; PrimeGrid; LLR
n = 3764189 1133137 digits Sep 2022 Miroslav Kupka; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4069617 1225080 digits May 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4373129 1316446 digits Nov 2023 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 383
max n: 4.999.999
n = 6393 1928 digits 1983 Robert Baillie
n = 23265 7007 digits May 1998 Ray Ballinger; Proth
n = 84057 25307 digits Oct 2000 Nestor Sergio de Araujo Melo; Proth
n = 1164513 350556 digits Dec 2011 Micah Smukler; PSieve; srsieve; PrimeGrid; LLR
n = 3309321 996208 digits Jul 2022 Lorin Arnold; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 385
max n: 4.999.999
n = 8 5 digits
n = 10 6 digits
n = 14 7 digits
n = 16 8 digits
n = 36 14 digits
n = 62 22 digits
n = 76 26 digits
n = 88 30 digits
n = 114 37 digits
n = 138 45 digits
n = 258 81 digits
n = 278 87 digits
n = 338 105 digits
n = 416 128 digits
n = 538 165 digits
n = 590 181 digits
n = 736 225 digits
n = 1074 326 digits
n = 1154 350 digits
n = 1262 383 digits
n = 1768 535 digits
n = 2602 786 digits
n = 2820 852 digits
n = 3436 1037 digits 1993 Jeffrey Young
n = 3702 1117 digits 1993 Jeffrey Young
n = 3970 1198 digits 1993 Jeffrey Young
n = 4778 1441 digits 1993 Jeffrey Young
n = 5990 1806 digits 1993 Jeffrey Young
n = 7598 2290 digits 1993 Jeffrey Young
n = 8088 2438 digits 1993 Jeffrey Young
n = 9398 2832 digits 1993 Jeffrey Young
n = 9628 2901 digits 1993 Jeffrey Young
n = 13036 3927 digits May 1993 Jeffrey Young
n = 14954 4505 digits May 1993 Jeffrey Young
n = 15112 4552 digits May 1993 Jeffrey Young
n = 16334 4920 digits May 1993 Jeffrey Young
n = 16636 5011 digits May 1993 Jeffrey Young
n = 17958 5409 digits May 1993 Jeffrey Young
n = 22994 6925 digits Oct 1993 Jeffrey Young
n = 23054 6943 digits Oct 1993 Jeffrey Young
n = 25130 7568 digits Oct 1993 Jeffrey Young
n = 30660 9233 digits Oct 1993 Jeffrey Young
n = 35358 10647 digits
n = 64560 19438 digits Oct 2000 Daval Davis; Proth
n = 78770 23715 digits
n = 83172 25040 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 83632 25179 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 87742 26416 digits Oct 2001 Göran Axelsson; Proth
n = 94908 28573 digits Oct 2001 Göran Axelsson; Proth
n = 177136 53326 digits
n = 190524 57357 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 238760 71877 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 270684 81487 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 534324 160851 digits May 2008 Steven Harvey; FermFact; OpenPFGW
n = 557488 167824 digits Feb 2009 Mike Parker; srsieve; PrimeGrid; LLR
n = 676390 203617 digits Sep 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 676460 203638 digits Sep 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 864614 260278 digits May 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 1016080 305874 digits May 2011 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 1802362 542568 digits Mar 2013 Victor de Hollander; PSieve; srsieve; PrimeGrid; LLR
n = 2321502 698845 digits Apr 2016 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 2584280 777949 digits Apr 2018 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 3226814 971371 digits Apr 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 387
max n: 4.999.999
n = 2 4 digits
n = 7 5 digits
n = 15 8 digits
n = 27 11 digits
n = 28 12 digits
n = 60 21 digits
n = 67 23 digits
n = 82 28 digits
n = 88 30 digits
n = 122 40 digits
n = 179 57 digits
n = 202 64 digits
n = 235 74 digits
n = 298 93 digits
n = 519 159 digits
n = 655 200 digits
n = 2712 819 digits
n = 4132 1247 digits
n = 5018 1514 digits
n = 9378 2826 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9688 2919 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17080 5145 digits May 1996 Patrick Demichel
n = 21367 6435 digits Oct 1996 Patrick Demichel
n = 23127 6965 digits 1996 Patrick Demichel
n = 61803 18608 digits Oct 2000 Daval Davis; Proth
n = 109408 32938 digits Oct 2001 Kirk Pearson; Proth
n = 143095 43079 digits Nov 2001 Kirk Pearson; Proth
n = 143440 43183 digits Nov 2001 Kirk Pearson; Proth
n = 285780 86031 digits Jan 2006 Steven Harvey; FermFact; OpenPFGW
n = 867355 261103 digits May 2011 Larry Hays; PSieve; srsieve; PrimeGrid; LLR
n = 1752919 527684 digits Mar 2013 William Fick; PSieve; srsieve; PrimeGrid; LLR
n = 1930200 581051 digits Aug 2013 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 3144483 946587 digits Dec 2021 Yuki Mizusawa; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3322763 1000254 digits Feb 2016 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
k: 389
max n: 4.999.999
n = 11 6 digits
n = 57 20 digits
n = 59 21 digits
n = 115 38 digits
n = 299 93 digits
n = 347 108 digits
n = 715 218 digits
n = 3845 1161 digits
n = 5157 1556 digits
n = 16945 5104 digits May 1996 Patrick Demichel
n = 27949 8417 digits Jun 1998 David Hanson; Proth
n = 66379 19985 digits Oct 2000 Daval Davis; Proth
n = 142649 42945 digits Apr 2002 Kirk Pearson; Proth
n = 233985 70440 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 572625 172380 digits Mar 2009 Eric Embling; srsieve; PrimeGrid; LLR
n = 976169 293859 digits Jan 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1186577 357198 digits Dec 2011 Justin Keenan; PSieve; srsieve; PrimeGrid; LLR
n = 1824385 549198 digits Mar 2013 Roman Krompolc; PSieve; srsieve; PrimeGrid; LLR
n = 2916499 877957 digits Dec 2020 William Hawkinson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3019025 908820 digits May 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 391
max n: 4.999.999
n = 4 4 digits
n = 20 9 digits
n = 28 12 digits
n = 40 15 digits
n = 88 30 digits
n = 92 31 digits
n = 328 102 digits
n = 1052 320 digits
n = 1420 431 digits
n = 2888 872 digits
n = 3944 1190 digits
n = 5888 1776 digits
n = 22544 6790 digits Sep 1997 Henri Lifchitz; Proth
n = 154912 46636 digits
n = 716668 215742 digits Feb 2010 Robert Wirgler; srsieve; PrimeGrid; LLR
n = 2971600 894544 digits Feb 2021 Roman Krompolc; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3693728 1111926 digits Jul 2022 Dao Heng Liu; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 393
max n: 4.617.728
n = 1 3 digits
n = 5 5 digits
n = 6 5 digits
n = 8 6 digits
n = 13 7 digits
n = 17 8 digits
n = 21 9 digits
n = 24 10 digits
n = 25 11 digits
n = 37 14 digits
n = 41 15 digits
n = 46 17 digits
n = 173 55 digits
n = 185 59 digits
n = 285 89 digits
n = 313 97 digits
n = 344 107 digits
n = 368 114 digits
n = 421 130 digits
n = 550 169 digits
n = 558 171 digits
n = 669 204 digits
n = 709 217 digits
n = 749 229 digits
n = 781 238 digits
n = 956 291 digits
n = 1009 307 digits
n = 1141 347 digits
n = 1165 354 digits
n = 1441 437 digits
n = 1461 443 digits
n = 1849 560 digits
n = 1961 593 digits
n = 2070 626 digits
n = 2409 728 digits
n = 2453 742 digits
n = 2658 803 digits
n = 2998 906 digits
n = 4493 1356 digits
n = 5737 1730 digits
n = 6281 1894 digits
n = 7113 2144 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8488 2558 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8877 2675 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9198 2772 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9777 2946 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10266 3093 digits
n = 11428 3443 digits
n = 14200 4278 digits Feb 1998 Ray Ballinger; Proth
n = 20728 6243 digits
n = 21018 6330 digits Oct 1996 Patrick Demichel
n = 23600 7107 digits 1996 Patrick Demichel
n = 26469 7971 digits
n = 35098 10569 digits Aug 1998 David Hanson; Proth
n = 45126 13587 digits
n = 78058 23501 digits
n = 118824 35773 digits Oct 2001 Nuutti Kuosa; Proth
n = 161008 48471 digits
n = 163501 49222 digits
n = 171861 51738 digits
n = 247685 74564 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 278045 83703 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 313573 94398 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 402457 121155 digits Dec 2006 Steven Harvey; FermFact; OpenPFGW
n = 482773 145332 digits Jun 2008 Ruediger K. Eckhard; LLR
n = 513153 154478 digits Apr 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 571884 172157 digits Mar 2009 Mark Codding; srsieve; PrimeGrid; LLR
n = 816693 245852 digits Feb 2011 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 951236 286354 digits Feb 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1534045 461797 digits Jan 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1658625 499299 digits Feb 2013 Rickard Rehnberg; PSieve; srsieve; PrimeGrid; LLR
n = 2066540 622094 digits Mar 2014 T. S. Kim; PSieve; srsieve; PrimeGrid; LLR
n = 2436849 733568 digits Dec 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2584957 778153 digits Apr 2018 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 2698956 812470 digits Feb 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3349525 1008311 digits Mar 2016 Timothy Reichard; PSieve; srsieve; PrimeGrid; LLR
k: 395
max n: 4.620.434
n = 5 5 digits
n = 11 6 digits
n = 23 10 digits
n = 41 15 digits
n = 221 70 digits
n = 485 149 digits
n = 839 256 digits
n = 3029 915 digits
n = 6479 1953 digits
n = 15455 4656 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16715 5035 digits May 1996 Patrick Demichel
n = 38399 11562 digits
n = 38525 11600 digits
n = 38645 11636 digits
n = 167501 50426 digits
n = 185571 55866 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 505679 152228 digits Apr 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 649445 195506 digits May 2009 Dmitry Domanov; srsieve; PrimeGrid; LLR
n = 764369 230101 digits Feb 2010 Michał Porzeziński; srsieve; PrimeGrid; LLR
n = 797849 240180 digits Feb 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 1106091 332970 digits Nov 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1309751 394277 digits Jan 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1447971 435886 digits Jan 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1480715 445743 digits Feb 2012 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1538975 463281 digits Jan 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 3701693 1114324 digits Aug 2022 Gregory Bennett; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 397
max n: 4.618.457
n = 4 4 digits
n = 6 5 digits
n = 16 8 digits
n = 24 10 digits
n = 30 12 digits
n = 36 14 digits
n = 40 15 digits
n = 52 19 digits
n = 60 21 digits
n = 78 27 digits
n = 132 43 digits
n = 204 65 digits
n = 352 109 digits
n = 556 170 digits
n = 1936 586 digits
n = 4876 1471 digits
n = 5278 1592 digits
n = 6450 1945 digits
n = 6546 1974 digits
n = 9498 2862 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10878 3278 digits
n = 13012 3920 digits
n = 22356 6733 digits
n = 24498 7378 digits
n = 28768 8663 digits
n = 29952 9020 digits
n = 41050 12360 digits Aug 1999 Alfredo Cano; Proth
n = 46242 13923 digits
n = 56874 17124 digits Oct 2000 Nestor Sergio de Araujo Melo; Proth
n = 61414 18491 digits Sep 2000 Daval Davis; Proth
n = 74148 22324 digits Nov 2000 Kirk Pearson; Proth
n = 81306 24479 digits Dec 2000 Kirk Pearson; Proth
n = 118090 35552 digits Dec 2000 Kirk Pearson; Proth
n = 134056 40358 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 391200 117766 digits Nov 2007 Steven Harvey; FermFact; OpenPFGW
n = 598342 180122 digits Mar 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 825972 248645 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1293028 389243 digits Jan 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 2598796 782319 digits Jul 2018 Javi Jarne; PSieve; srsieve; PrimeGrid; LLR
n = 3859450 1161813 digits Jan 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 399
max n: 4.620.329
n = 2 4 digits
n = 6 5 digits
n = 11 6 digits
n = 14 7 digits
n = 15 8 digits
n = 42 16 digits
n = 59 21 digits
n = 66 23 digits
n = 75 26 digits
n = 91 30 digits
n = 102 34 digits
n = 126 41 digits
n = 131 43 digits
n = 195 62 digits
n = 795 242 digits
n = 811 247 digits
n = 1410 428 digits
n = 1631 494 digits
n = 2219 671 digits
n = 2259 683 digits
n = 2394 724 digits
n = 2971 897 digits
n = 3811 1150 digits
n = 5742 1732 digits
n = 8725 2630 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8822 2659 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10950 3299 digits
n = 11870 3576 digits
n = 15895 4788 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16350 4925 digits Feb 1998 Charles F. Kerchner III; Proth
n = 24731 7448 digits
n = 27819 8377 digits Jun 1998 David Hanson; Proth
n = 29669 8934 digits
n = 30151 9079 digits Jun 1998 Ola Svallmark; Proth
n = 42499 12797 digits
n = 43899 13218 digits
n = 57134 17202 digits Oct 2000 Nestor Sergio de Araujo Melo; Proth
n = 59759 17992 digits Oct 2000 Nestor Sergio de Araujo Melo; Proth
n = 77622 23370 digits Oct 2000 Kirk Pearson; Proth
n = 78675 23687 digits Oct 2000 Kirk Pearson; Proth
n = 78735 23705 digits Oct 2000 Kirk Pearson; Proth
n = 81739 24609 digits Oct 2000 Kirk Pearson; Proth
n = 87379 26307 digits Oct 2000 Kirk Pearson; Proth
n = 127975 38527 digits Oct 2000 Kirk Pearson; Proth
n = 131474 39581 digits Nov 2000 Kirk Pearson; Proth
n = 242531 73012 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 499635 150408 digits Jul 2008 Ruediger K. Eckhard; LLR
n = 1307450 393585 digits Jan 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 2288691 688968 digits Apr 2015 Aleksander Makowski; PSieve; srsieve; PrimeGrid; LLR
n = 2384115 717693 digits Aug 2016 Benjamin Simpson; PSieve; srsieve; PrimeGrid; LLR
n = 2851994 858539 digits Feb 2020 Eric Nietering; PSieve; srsieve; PrimeGrid; LLR
k: 401
max n: 4.624.752
n = 3 4 digits
n = 7 5 digits
n = 57 20 digits
n = 123 40 digits
n = 615 188 digits
n = 2103 636 digits
n = 2793 844 digits
n = 7873 2373 digits 1993 Harvey Dubner; Dubner Cruncher
n = 2088713 628768 digits Mar 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 403
max n: 4.614.091
n = 2 4 digits
n = 4 4 digits
n = 6 5 digits
n = 14 7 digits
n = 16 8 digits
n = 32 13 digits
n = 40 15 digits
n = 74 25 digits
n = 110 36 digits
n = 134 43 digits
n = 252 79 digits
n = 280 87 digits
n = 306 95 digits
n = 356 110 digits
n = 410 127 digits
n = 692 211 digits
n = 760 232 digits
n = 1220 370 digits
n = 1286 390 digits
n = 1742 527 digits
n = 2060 623 digits
n = 2514 760 digits
n = 3632 1096 digits
n = 7104 2142 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7376 2224 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10220 3080 digits
n = 10980 3308 digits
n = 18914 5697 digits Oct 1996 Patrick Demichel
n = 20472 6166 digits Oct 1996 Patrick Demichel
n = 20676 6227 digits Oct 1996 Patrick Demichel
n = 22456 6763 digits
n = 24122 7265 digits
n = 40834 12295 digits
n = 42110 12679 digits
n = 44182 13303 digits
n = 44814 13493 digits
n = 45852 13806 digits
n = 60030 18074 digits
n = 67826 20421 digits Mar 2001 Thom Adams; Proth
n = 68360 20582 digits Mar 2001 Thom Adams; Proth
n = 87434 26323 digits Mar 2001 Thom Adams; Proth
n = 94386 28416 digits Mar 2001 Thom Adams; Proth
n = 158774 47799 digits
n = 180520 54345 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 201250 60585 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 237524 71505 digits Jun 2005 Steven Harvey; NewPGen; LLR
n = 238276 71731 digits Jun 2005 Steven Harvey; NewPGen; LLR
n = 316882 95394 digits Mar 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 457660 137772 digits Mar 2007 Ruediger K. Eckhard; LLR
n = 688290 207199 digits Jun 2008 Souichi Murata; LLR
n = 732860 220616 digits Jul 2008 Souichi Murata; LLR
n = 817706 246157 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 992780 298860 digits Feb 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1209326 364047 digits Dec 2011 Torsten Netzeband; PSieve; srsieve; PrimeGrid; LLR
n = 1337280 402564 digits Jan 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1664194 500975 digits Feb 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 2012412 605799 digits Feb 2014 William Beard; PSieve; srsieve; PrimeGrid; LLR
n = 2357572 709703 digits Jun 2016 Barry Walsh; PSieve; srsieve; PrimeGrid; LLR
n = 2894566 871354 digits Nov 2020 Dale Laluk; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3334410 1003761 digits Jun 2016 Roman Trunov; PSieve; srsieve; PrimeGrid; LLR
k: 405
max n: 4.623.439
n = 1 3 digits
n = 2 4 digits
n = 4 4 digits
n = 8 6 digits
n = 10 6 digits
n = 14 7 digits
n = 32 13 digits
n = 43 16 digits
n = 46 17 digits
n = 58 21 digits
n = 80 27 digits
n = 163 52 digits
n = 184 58 digits
n = 227 71 digits
n = 262 82 digits
n = 361 112 digits
n = 592 181 digits
n = 602 184 digits
n = 623 191 digits
n = 638 195 digits
n = 2287 692 digits
n = 2680 810 digits
n = 3674 1109 digits
n = 11221 3381 digits May 1996 Patrick Demichel
n = 12278 3699 digits
n = 12556 3783 digits
n = 12763 3845 digits
n = 15412 4643 digits Feb 1998 Charles F. Kerchner III; Proth
n = 21472 6467 digits Oct 1996 Patrick Demichel
n = 49118 14789 digits
n = 57040 17174 digits
n = 64825 19517 digits Sep 1998 Tadashi Taura; Proth
n = 121262 36507 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 127495 38383 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 300604 90494 digits Feb 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 572623 172380 digits Oct 2007 Souichi Murata; LLR
n = 769828 231744 digits Jan 2009 Souichi Murata; LLR
n = 904000 272134 digits Oct 2009 Ruediger K. Eckhard; LLR
n = 1693765 509877 digits Mar 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2099716 632081 digits Mar 2014 Ralf Hentrich; PSieve; srsieve; PrimeGrid; LLR
n = 3757192 1131031 digits Sep 2022 James Schumacher; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 407
max n: 4.619.834
n = 3 4 digits
n = 11 6 digits
n = 15 8 digits
n = 23 10 digits
n = 75 26 digits
n = 119 39 digits
n = 159 51 digits
n = 215 68 digits
n = 227 71 digits
n = 235 74 digits
n = 931 283 digits
n = 979 298 digits
n = 1147 348 digits
n = 1727 523 digits
n = 2495 754 digits
n = 2827 854 digits
n = 3219 972 digits
n = 4787 1444 digits
n = 6191 1867 digits
n = 11815 3560 digits
n = 12823 3863 digits
n = 18619 5608 digits Oct 1996 Patrick Demichel
n = 21203 6386 digits
n = 24547 7392 digits
n = 34115 10273 digits
n = 61455 18503 digits Mar 2000 Jo Yeong Uk; Proth
n = 71495 21525 digits Sep 2000 Jo Yeong Uk; Proth
n = 105091 31639 digits Dec 2000 Jo Yeong Uk; Proth
n = 109115 32850 digits Dec 2000 Jo Yeong Uk; Proth
n = 120827 36376 digits Dec 2000 Jo Yeong Uk; Proth
n = 121203 36489 digits Dec 2000 Jo Yeong Uk; Proth
n = 149607 45039 digits
n = 198907 59880 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 211167 63571 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 499431 150347 digits Mar 2007 Souichi Murata; LLR
n = 541955 163148 digits Dec 2007 Souichi Murata; LLR
n = 584491 175952 digits Jan 2008 Souichi Murata; LLR
n = 864871 260355 digits May 2011 Devin CorrRobinett; PSieve; srsieve; PrimeGrid; LLR
n = 1013603 305128 digits Mar 2011 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1171719 352726 digits Dec 2011 Oliver Gurney Champion; PSieve; srsieve; PrimeGrid; LLR
n = 1337203 402541 digits Jan 2012 Kingsley Jarrett; PSieve; srsieve; PrimeGrid; LLR
n = 1864735 561344 digits Jul 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
k: 409
max n: 4.617.457
n = 2 4 digits
n = 6 5 digits
n = 18 9 digits
n = 110 36 digits
n = 186 59 digits
n = 318 99 digits
n = 398 123 digits
n = 1922 582 digits
n = 3290 994 digits
n = 4346 1311 digits
n = 5042 1521 digits
n = 6638 2001 digits
n = 8306 2503 digits 1993 Harvey Dubner; Dubner Cruncher
n = 59066 17784 digits Nov 2000 Peter Shaw; Proth
n = 66758 20099 digits Nov 2000 Peter Shaw; Proth
n = 182198 54850 digits Nov 2001 Joe Eversole; Proth
n = 214406 64546 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 260810 78515 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 709350 213539 digits Feb 2010 Pietari Snow; srsieve; PrimeGrid; LLR
n = 947018 285084 digits Oct 2010 Ruediger K. Eckhard; LLR
n = 1384346 416733 digits Jan 2012 Andre Schulz; PSieve; srsieve; PrimeGrid; LLR
n = 1546542 465559 digits Jan 2013 Masashi Kumagai; PSieve; srsieve; PrimeGrid; LLR
n = 2360166 710484 digits Jun 2016 Ward De Ridder; PSieve; srsieve; PrimeGrid; LLR
k: 411
max n: 4.620.276
n = 1 3 digits
n = 4 4 digits
n = 7 5 digits
n = 19 9 digits
n = 37 14 digits
n = 55 20 digits
n = 72 25 digits
n = 79 27 digits
n = 81 27 digits
n = 136 44 digits
n = 139 45 digits
n = 955 291 digits
n = 976 297 digits
n = 979 298 digits
n = 1537 466 digits
n = 1579 478 digits
n = 2292 693 digits
n = 3277 990 digits
n = 4644 1401 digits
n = 6007 1811 digits
n = 6391 1927 digits
n = 6805 2052 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17959 5409 digits Oct 1996 Patrick Demichel
n = 25999 7830 digits
n = 58327 17561 digits
n = 60919 18342 digits Jan 1999 David Hanson; Proth
n = 112957 34007 digits Apr 2003 John Dilick; Proth
n = 117781 35459 digits May 2003 John Dilick; Proth
n = 130204 39198 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 181176 54543 digits Jun 2003 John Dilick; Proth
n = 192637 57993 digits Jun 2003 John Dilick; Proth
n = 459595 138355 digits Mar 2007 Ruediger K. Eckhard; LLR
n = 793944 239004 digits Nov 2008 Ruediger K. Eckhard; LLR
n = 1078339 324615 digits Nov 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1677196 504889 digits Feb 2013 Eugeny Mamonov; PSieve; srsieve; PrimeGrid; LLR
n = 1861627 560409 digits Jul 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2115559 636850 digits Mar 2014 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
n = 3759067 1131595 digits Sep 2022 Miroslav Kupka; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 413
max n: 4.623.088
n = 1 3 digits
n = 5 5 digits
n = 9 6 digits
n = 13 7 digits
n = 25 11 digits
n = 85 29 digits
n = 113 37 digits
n = 133 43 digits
n = 185 59 digits
n = 217 68 digits
n = 269 84 digits
n = 285 89 digits
n = 469 144 digits
n = 1025 312 digits
n = 2289 692 digits
n = 4849 1463 digits
n = 5681 1713 digits
n = 8489 2559 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12937 3898 digits
n = 18485 5568 digits Oct 1996 Patrick Demichel
n = 18809 5665 digits Oct 1996 Patrick Demichel
n = 20189 6081 digits Oct 1996 Patrick Demichel
n = 34361 10347 digits
n = 40509 12198 digits
n = 41593 12524 digits
n = 44181 13303 digits
n = 46517 14006 digits Jul 2000 Thom Adams; Proth
n = 68681 20678 digits
n = 130421 39264 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 186893 56264 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 187937 56578 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 255137 76807 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 457801 137815 digits Mar 2007 Ruediger K. Eckhard; LLR
n = 469901 141457 digits Apr 2007 Ruediger K. Eckhard; LLR
n = 970353 292108 digits Feb 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1387625 417720 digits Jan 2012 Andre Schulz; PSieve; srsieve; PrimeGrid; LLR
n = 2043829 615257 digits Feb 2014 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
k: 415
max n: 4.623.583
n = 6 5 digits
n = 10 6 digits
n = 26 11 digits
n = 30 12 digits
n = 40 15 digits
n = 50 18 digits
n = 68 24 digits
n = 94 31 digits
n = 106 35 digits
n = 114 37 digits
n = 140 45 digits
n = 328 102 digits
n = 386 119 digits
n = 438 135 digits
n = 1540 467 digits
n = 1976 598 digits
n = 2024 612 digits
n = 3944 1190 digits
n = 3988 1204 digits
n = 5378 1622 digits
n = 6068 1830 digits
n = 6394 1928 digits
n = 7198 2170 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9040 2724 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10666 3214 digits
n = 35860 10798 digits Nov 2000 Michael Ian Hartley; Proth
n = 39884 12009 digits Feb 1999 Jefferson M Wolski; Proth
n = 119234 35896 digits Feb 2001 Nestor Sergio de Araujo Melo; Proth
n = 131246 39512 digits Mar 2001 Nestor Sergio de Araujo Melo; Proth
n = 240190 72308 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 315390 94945 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 392106 118039 digits Mar 2007 Souichi Murata; LLR
n = 438776 132088 digits May 2007 Ruediger K. Eckhard; LLR
n = 675284 203284 digits Sep 2009 Pietari Snow; srsieve; PrimeGrid; LLR
n = 758994 228483 digits Feb 2010 Bartosz Komin; srsieve; PrimeGrid; LLR
n = 1055734 317811 digits Nov 2011 Patrick Goldbach; PSieve; srsieve; PrimeGrid; LLR
n = 1684046 506951 digits Feb 2013 Aleksander Makowski; PSieve; srsieve; PrimeGrid; LLR
n = 1743176 524751 digits Mar 2013 Sergio Cristian; PSieve; srsieve; PrimeGrid; LLR
n = 2549590 767506 digits Dec 2017 Peter Wiedemann; PSieve; srsieve; PrimeGrid; LLR
n = 3559614 1071554 digits Oct 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 4280864 1288672 digits Sep 2023 Alex Belozersky; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4629610 1393655 digits Jun 2026 David Steel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 417
max n: 4.606.550
n = 2 4 digits
n = 4 4 digits
n = 7 5 digits
n = 8 6 digits
n = 11 6 digits
n = 12 7 digits
n = 15 8 digits
n = 16 8 digits
n = 19 9 digits
n = 24 10 digits
n = 28 12 digits
n = 51 18 digits
n = 59 21 digits
n = 62 22 digits
n = 63 22 digits
n = 64 22 digits
n = 75 26 digits
n = 79 27 digits
n = 132 43 digits
n = 338 105 digits
n = 355 110 digits
n = 518 159 digits
n = 692 211 digits
n = 806 246 digits
n = 1287 391 digits
n = 1618 490 digits
n = 1803 546 digits
n = 2715 820 digits
n = 2743 829 digits
n = 2834 856 digits
n = 3055 923 digits
n = 3255 983 digits
n = 3323 1003 digits
n = 4067 1227 digits
n = 5255 1585 digits
n = 6094 1838 digits
n = 6254 1886 digits
n = 6796 2049 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7063 2129 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7476 2254 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7787 2347 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8067 2432 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10795 3253 digits
n = 13342 4019 digits Feb 1998 Ray Ballinger; Proth
n = 14407 4340 digits
n = 22292 6714 digits 1996 Patrick Demichel
n = 23132 6967 digits 1996 Patrick Demichel
n = 27076 8154 digits Apr 1999 Wolfgang Elsner; Proth
n = 30286 9120 digits Jul 1998 Ola Svallmark; Proth
n = 50486 15201 digits Jun 1998 David Hanson; Proth
n = 54391 16376 digits
n = 78423 23611 digits
n = 97375 29316 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 130858 39395 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 133756 40268 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 162292 48858 digits
n = 170947 51463 digits
n = 234179 70498 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 239956 72237 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 276419 83214 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 305859 92076 digits Apr 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 351632 105855 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 435482 131096 digits May 2007 Ruediger K. Eckhard; LLR
n = 506332 152424 digits Oct 2007 Souichi Murata; LLR
n = 642156 193311 digits Apr 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 828566 249426 digits Apr 2011 Paul Medcalf; PSieve; srsieve; PrimeGrid; LLR
n = 1104563 332510 digits Dec 2011 John R H Graham; PSieve; srsieve; PrimeGrid; LLR
n = 1439196 433244 digits Jan 2012 James Nobis; PSieve; srsieve; PrimeGrid; LLR
n = 1759055 529531 digits Mar 2013 Mateusz Pabis; PSieve; srsieve; PrimeGrid; LLR
n = 1943755 585132 digits Aug 2013 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 2036482 613045 digits Feb 2014 Yang Liu; PSieve; srsieve; PrimeGrid; LLR
n = 2284402 687677 digits Apr 2015 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2698652 812378 digits Feb 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3026492 911068 digits May 2021 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3029342 911926 digits May 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3136187 944089 digits Dec 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3160443 951391 digits Jan 2022 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3248255 977825 digits May 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3895404 1172637 digits Feb 2023 Ruben Steinberg; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4003224 1205094 digits Apr 2023 NitaMinttu Tirkkonen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4473466 1346651 digits Jan 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4539143 1366421 digits May 2026 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 419
max n: 4.616.860
n = 1 3 digits
n = 7 5 digits
n = 11 6 digits
n = 19 9 digits
n = 53 19 digits
n = 91 31 digits
n = 133 43 digits
n = 187 59 digits
n = 211 67 digits
n = 263 82 digits
n = 281 88 digits
n = 331 103 digits
n = 437 135 digits
n = 793 242 digits
n = 1151 350 digits
n = 3689 1114 digits
n = 6547 1974 digits
n = 13771 4149 digits
n = 14749 4443 digits Feb 1998 Ray Ballinger; Proth
n = 32009 9639 digits Feb 1999 Iago L Camboa; Proth
n = 32843 9890 digits Jul 1998 David Hanson; Proth
n = 46223 13918 digits
n = 79801 24026 digits Jun 2001 Ray Ballinger; Proth
n = 169463 51017 digits Aug 2003 John Dilick; NewPGen; Proth
n = 180733 54409 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 463079 139404 digits Apr 2007 Ruediger K. Eckhard; LLR
n = 2552363 768341 digits Jan 2018 Michael Post; PSieve; srsieve; PrimeGrid; LLR
k: 421
max n: 4.620.659
n = 4 4 digits
n = 8 6 digits
n = 12 7 digits
n = 16 8 digits
n = 24 10 digits
n = 36 14 digits
n = 72 25 digits
n = 196 62 digits
n = 576 177 digits
n = 928 282 digits
n = 3336 1007 digits
n = 5172 1560 digits
n = 5996 1808 digits
n = 6196 1868 digits
n = 13204 3978 digits
n = 28484 8578 digits
n = 36984 11136 digits
n = 43740 13170 digits
n = 58744 17687 digits
n = 62244 18740 digits
n = 112876 33982 digits Dec 2001 Joe Eversole; Proth
n = 127852 38490 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 143208 43113 digits Jul 2003 John Dilick; Proth
n = 170612 51362 digits Aug 2003 John Dilick; NewPGen; Proth
n = 174372 52494 digits Aug 2003 John Dilick; NewPGen; Proth
n = 221372 66643 digits Mar 2005 Keith P. Adney; NewPGen; PRP; Proth
n = 350356 105471 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 832528 250619 digits Apr 2011 Jean Schmalen; PSieve; srsieve; PrimeGrid; LLR
n = 1070460 322244 digits Dec 2011 David Smelser; PSieve; srsieve; PrimeGrid; LLR
n = 1729092 520512 digits Mar 2013 Jay Parangalan; PSieve; srsieve; PrimeGrid; LLR
n = 2539336 764419 digits Nov 2017 Wolfram Glatte; PSieve; srsieve; PrimeGrid; LLR
n = 3905144 1175569 digits Feb 2023 Ruben Steinberg; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 423
max n: 4.607.815
n = 2 4 digits
n = 5 5 digits
n = 6 5 digits
n = 8 6 digits
n = 9 6 digits
n = 12 7 digits
n = 17 8 digits
n = 24 10 digits
n = 44 16 digits
n = 48 18 digits
n = 57 20 digits
n = 68 24 digits
n = 74 25 digits
n = 125 41 digits
n = 204 65 digits
n = 272 85 digits
n = 306 95 digits
n = 345 107 digits
n = 378 117 digits
n = 488 150 digits
n = 528 162 digits
n = 678 207 digits
n = 750 229 digits
n = 974 296 digits
n = 1140 346 digits
n = 2274 688 digits
n = 2928 885 digits
n = 4532 1367 digits
n = 4533 1368 digits
n = 6173 1861 digits
n = 7784 2346 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12500 3766 digits
n = 14436 4349 digits
n = 15404 4640 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16406 4942 digits Feb 1998 Charles F. Kerchner III; Proth
n = 56730 17081 digits
n = 76332 22981 digits Jul 2001 Ray Ballinger; Proth
n = 150317 45253 digits Aug 2003 John Dilick; NewPGen; Proth
n = 207956 62604 digits Mar 2005 Keith P. Adney; NewPGen; PRP; Proth
n = 215652 64921 digits Mar 2005 Keith P. Adney; NewPGen; PRP; Proth
n = 256686 77273 digits Mar 2005 Keith P. Adney; NewPGen; PRP; Proth
n = 269598 81160 digits Mar 2005 Keith P. Adney; NewPGen; PRP; Proth
n = 276024 83095 digits Mar 2005 Keith P. Adney; NewPGen; PRP; Proth
n = 509720 153444 digits Jan 2008 Souichi Murata; LLR
n = 644966 194157 digits Apr 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 850217 255944 digits Apr 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1075392 323728 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1105874 332904 digits Dec 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 1714680 516173 digits Mar 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1794546 540215 digits Mar 2013 Jeff Kopp; PSieve; srsieve; PrimeGrid; LLR
n = 1835585 552569 digits Mar 2013 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
k: 425
max n: 4.612.904
n = 7 5 digits
n = 27 11 digits
n = 31 12 digits
n = 43 16 digits
n = 79 27 digits
n = 169 54 digits
n = 193 61 digits
n = 241 76 digits
n = 511 157 digits
n = 987 300 digits
n = 1273 386 digits
n = 1807 547 digits
n = 2671 807 digits
n = 3327 1005 digits
n = 3409 1029 digits
n = 8469 2553 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12691 3824 digits
n = 16465 4960 digits Mar 1998 Charles F. Kerchner III; Proth
n = 50595 15234 digits Jun 1998 David Hanson; Proth
n = 62155 18714 digits
n = 154323 46459 digits
n = 336465 101289 digits May 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 479187 144253 digits May 2007 Ruediger K. Eckhard; LLR
n = 524997 158043 digits Jan 2008 Souichi Murata; LLR
n = 641553 193130 digits Apr 2009 Ville Koskinen; srsieve; PrimeGrid; LLR
n = 1048563 315652 digits Nov 2011 Michael D. Hittle; PSieve; srsieve; PrimeGrid; LLR
k: 427
max n: 4.618.457
n = 2 4 digits
n = 4 4 digits
n = 6 5 digits
n = 8 6 digits
n = 12 7 digits
n = 20 9 digits
n = 22 10 digits
n = 56 20 digits
n = 66 23 digits
n = 94 31 digits
n = 136 44 digits
n = 142 46 digits
n = 174 56 digits
n = 186 59 digits
n = 200 63 digits
n = 286 89 digits
n = 352 109 digits
n = 362 112 digits
n = 512 157 digits
n = 582 178 digits
n = 842 257 digits
n = 1056 321 digits
n = 1080 328 digits
n = 1144 348 digits
n = 1242 377 digits
n = 1810 548 digits
n = 4802 1449 digits
n = 5106 1540 digits
n = 6914 2084 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12982 3911 digits
n = 16760 5048 digits May 1996 Patrick Demichel
n = 19958 6011 digits Oct 1996 Patrick Demichel
n = 20108 6056 digits Oct 1996 Patrick Demichel
n = 22194 6684 digits
n = 23512 7081 digits
n = 29636 8924 digits
n = 42816 12892 digits
n = 66178 19925 digits Feb 2001 Michael Ian Hartley; Proth
n = 70624 21263 digits
n = 81390 24504 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 129958 39124 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 184046 55406 digits Jul 2003 John Dilick; NewPGen; Proth
n = 278876 83953 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 343432 103386 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 396612 119395 digits May 2007 Souichi Murata; LLR
n = 492076 148133 digits May 2007 Ruediger K. Eckhard; LLR
n = 570112 171624 digits May 2008 Souichi Murata; LLR
n = 600836 180873 digits Dec 2008 Ruediger K. Eckhard; LLR
n = 817200 246005 digits Feb 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 861652 259386 digits May 2011 Justin Clift; PSieve; srsieve; PrimeGrid; LLR
n = 872414 262626 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1321706 397876 digits Jan 2012 John Longden; PSieve; srsieve; PrimeGrid; LLR
n = 1385238 417001 digits Jan 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1863702 561033 digits Jul 2013 Brandon Wharton; PSieve; srsieve; PrimeGrid; LLR
n = 2153306 648213 digits Apr 2014 Darren Boyden; PSieve; srsieve; PrimeGrid; LLR
n = 2282080 686978 digits Apr 2015 Konstantin Stanko; PSieve; srsieve; PrimeGrid; LLR
n = 2326288 700286 digits Apr 2016 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 3275606 986059 digits Jul 2022 Cédric Latge; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3768104 1134315 digits Sep 2022 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3811610 1147412 digits Nov 2022 Michael Becker; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 429
max n: 4.614.084
n = 1 3 digits
n = 3 4 digits
n = 5 5 digits
n = 6 5 digits
n = 9 6 digits
n = 11 6 digits
n = 21 9 digits
n = 27 11 digits
n = 37 14 digits
n = 54 19 digits
n = 55 20 digits
n = 113 37 digits
n = 147 47 digits
n = 181 58 digits
n = 185 59 digits
n = 222 70 digits
n = 313 97 digits
n = 317 99 digits
n = 695 212 digits
n = 1003 305 digits
n = 1270 385 digits
n = 1385 420 digits
n = 1483 450 digits
n = 1519 460 digits
n = 1567 475 digits
n = 2057 622 digits
n = 2550 771 digits
n = 4014 1211 digits
n = 4467 1348 digits
n = 5773 1741 digits
n = 6078 1833 digits
n = 6103 1840 digits
n = 7951 2397 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9958 3001 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11317 3410 digits May 1996 Patrick Demichel
n = 11807 3557 digits
n = 12974 3909 digits
n = 14046 4231 digits Feb 1998 Ray Ballinger; Proth
n = 14401 4338 digits Feb 1998 Ray Ballinger; Proth
n = 14585 4394 digits
n = 16686 5026 digits Mar 1998 Charles F. Kerchner III; Proth
n = 17433 5251 digits Nov 1997 Henri Lifchitz; Proth
n = 37525 11299 digits
n = 62486 18813 digits
n = 65195 19629 digits Jun 1998 David Hanson; Proth
n = 76726 23100 digits Dec 2000 Jefferson M Wolski; Proth
n = 85881 25856 digits Jul 2001 Patrick Pirson; Proth
n = 86670 26093 digits Jul 2001 Patrick Pirson; Proth
n = 334091 100575 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 423821 127586 digits Apr 2007 Ruediger K. Eckhard; LLR
n = 472505 142241 digits May 2007 Ruediger K. Eckhard; LLR
n = 498391 150034 digits Jun 2007 Ruediger K. Eckhard; LLR
n = 599478 180464 digits Jun 2008 Souichi Murata; LLR
n = 611081 183957 digits Jan 2009 Ruediger K. Eckhard; LLR
n = 656445 197613 digits Jun 2009 Jochen Beck; srsieve; PrimeGrid; LLR
n = 761198 229147 digits Feb 2010 Doug Cushing; srsieve; PrimeGrid; LLR
n = 1076923 324189 digits Nov 2011 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 1220185 367315 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1301821 391890 digits Jan 2012 Nick Merrylees; PSieve; srsieve; PrimeGrid; LLR
n = 1400083 421470 digits Jan 2012 Michael Ruber; PSieve; srsieve; PrimeGrid; LLR
n = 1499779 451482 digits Feb 2012 Robert Hoffman; PSieve; srsieve; PrimeGrid; LLR
n = 1569942 472603 digits Feb 2013 Jianwen Ling; PSieve; srsieve; PrimeGrid; LLR
k: 431
max n: 4.620.246
n = 1 3 digits
n = 3 4 digits
n = 9 6 digits
n = 15 8 digits
n = 23 10 digits
n = 45 17 digits
n = 47 17 digits
n = 95 32 digits
n = 225 71 digits
n = 309 96 digits
n = 363 112 digits
n = 923 281 digits
n = 1425 432 digits
n = 1473 447 digits
n = 1667 505 digits
n = 2073 627 digits
n = 2099 635 digits
n = 2483 751 digits
n = 2575 778 digits
n = 3183 961 digits
n = 4483 1353 digits
n = 5807 1751 digits
n = 6537 1971 digits
n = 10761 3243 digits
n = 18217 5487 digits Oct 1996 Patrick Demichel
n = 18847 5677 digits Jul 1998 Ray Ballinger; Proth
n = 27357 8238 digits
n = 36847 11095 digits
n = 53527 16116 digits
n = 67645 20366 digits
n = 67785 20408 digits
n = 91527 27556 digits Sep 2001 Ray Ballinger; Proth
n = 140545 42311 digits Aug 2003 John Dilick; NewPGen; Proth
n = 196309 59098 digits Sep 2003 John Dilick; NewPGen; Proth
n = 199513 60063 digits Sep 2003 John Dilick; NewPGen; Proth
n = 266999 80378 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 538215 162022 digits Mar 2008 Souichi Murata; LLR
n = 720583 216920 digits Feb 2010 Wolfgang Schwieger; srsieve; PrimeGrid; LLR
n = 778485 234350 digits Feb 2010 Pietari Snow; srsieve; PrimeGrid; LLR
n = 989383 297837 digits Mar 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1022695 307865 digits Jul 2011 Matthias Schimmel; PSieve; srsieve; PrimeGrid; LLR
n = 1315773 396090 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1505493 453202 digits Jan 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1791441 539281 digits Mar 2013 Karel Benes; PSieve; srsieve; PrimeGrid; LLR
n = 2019693 607991 digits Feb 2014 Lonnie Christensen; PSieve; srsieve; PrimeGrid; LLR
n = 2323633 699486 digits Apr 2016 Konstantin Stanko; PSieve; srsieve; PrimeGrid; LLR
n = 2916429 877936 digits Dec 2020 Sascha Beat Dinkel; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3835247 1154528 digits Dec 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3953647 1190169 digits Feb 2023 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 433
max n: 4.618.591
n = 2 4 digits
n = 8 6 digits
n = 32 13 digits
n = 38 15 digits
n = 46 17 digits
n = 58 21 digits
n = 92 31 digits
n = 212 67 digits
n = 242 76 digits
n = 332 103 digits
n = 494 152 digits
n = 1088 331 digits
n = 3428 1035 digits
n = 39758 11971 digits
n = 58214 17527 digits Jul 1999 David Hanson; Proth
n = 70196 21134 digits
n = 101474 30550 digits Nov 2001 Anton Oleynick; Proth
n = 2109146 634919 digits Apr 2014 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 2188076 658680 digits Apr 2014 Eirik Lunner; PSieve; srsieve; PrimeGrid; LLR
n = 2348252 706897 digits May 2016 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
k: 435
max n: 4.617.722
n = 2 4 digits
n = 4 4 digits
n = 5 5 digits
n = 7 5 digits
n = 11 6 digits
n = 18 9 digits
n = 19 9 digits
n = 33 13 digits
n = 51 18 digits
n = 68 24 digits
n = 69 24 digits
n = 82 28 digits
n = 93 31 digits
n = 99 33 digits
n = 101 34 digits
n = 113 37 digits
n = 132 43 digits
n = 138 45 digits
n = 141 46 digits
n = 198 63 digits
n = 201 64 digits
n = 255 80 digits
n = 298 93 digits
n = 522 160 digits
n = 528 162 digits
n = 533 164 digits
n = 537 165 digits
n = 547 168 digits
n = 790 241 digits
n = 903 275 digits
n = 1032 314 digits
n = 1195 363 digits
n = 1365 414 digits
n = 1612 488 digits
n = 1725 522 digits
n = 2223 672 digits
n = 2343 708 digits
n = 2398 725 digits
n = 3740 1129 digits
n = 4138 1249 digits
n = 4315 1302 digits
n = 6285 1895 digits
n = 7161 2159 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10401 3134 digits
n = 13444 4050 digits Feb 1998 Ray Ballinger; Proth
n = 19922 6000 digits Oct 1996 Patrick Demichel
n = 23030 6936 digits 1996 Patrick Demichel
n = 26104 7861 digits
n = 26922 8107 digits
n = 28617 8618 digits
n = 29297 8822 digits
n = 31543 9499 digits
n = 35370 10651 digits
n = 56818 17107 digits Sep 1998 Tadashi Taura; Proth
n = 73111 22012 digits Dec 2000 Daval Davis; Proth
n = 87221 26259 digits Dec 2000 Daval Davis; Proth
n = 88708 26707 digits Dec 2000 Daval Davis; Proth
n = 93319 28095 digits Jan 2001 Daval Davis; Proth
n = 106800 32153 digits Jul 2001 Daval Davis; Proth
n = 107174 32266 digits Jul 2001 Daval Davis; Proth
n = 157397 47384 digits Dec 2002 Kevin Odermatt; Proth
n = 169192 50935 digits Dec 2002 Kevin Odermatt; Proth
n = 170218 51244 digits Dec 2002 Kevin Odermatt; Proth
n = 187785 56532 digits Apr 2003 Kevin Odermatt; Proth
n = 200455 60346 digits Feb 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 235444 70879 digits Apr 2003 Kevin Odermatt; Proth
n = 270243 81354 digits Apr 2003 Kevin Odermatt; Proth
n = 304661 91715 digits Apr 2003 Kevin Odermatt; Proth
n = 342582 103131 digits Jul 2003 Kevin Odermatt; Proth
n = 364178 109632 digits Jul 2003 Kevin Odermatt; Proth
n = 412858 124286 digits Mar 2007 Steven Harvey; FermFact; OpenPFGW
n = 440433 132587 digits Aug 2007 Souichi Murata; LLR
n = 529247 159322 digits Feb 2008 Souichi Murata; LLR
n = 547893 164935 digits Mar 2008 Souichi Murata; LLR
n = 565591 170263 digits Mar 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 653451 196711 digits May 2009 Ben Rhodes; srsieve; PrimeGrid; LLR
n = 700257 210802 digits Jan 2010 Martin Siegrist; srsieve; PrimeGrid; LLR
n = 748240 225246 digits Feb 2010 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 772448 232533 digits Feb 2010 Paul Arthur MacIain; srsieve; PrimeGrid; LLR
n = 885602 266596 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1096682 330137 digits Nov 2011 Jean Pascal Baron; PSieve; srsieve; PrimeGrid; LLR
n = 1177574 354488 digits Dec 2011 Jessicalind Ah Kit; PSieve; srsieve; PrimeGrid; LLR
n = 1183997 356422 digits Dec 2011 Greg Gatewood; PSieve; srsieve; PrimeGrid; LLR
n = 1239504 373131 digits Jan 2012 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 1402809 422291 digits Jan 2012 Caspar van Leeuwen; PSieve; srsieve; PrimeGrid; LLR
n = 1908579 574543 digits Aug 2013 Vladislav Rassokhin; PSieve; srsieve; PrimeGrid; LLR
n = 2327152 700546 digits Apr 2016 Jean Schmalen; PSieve; srsieve; PrimeGrid; LLR
n = 2329948 701387 digits May 2016 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2378522 716010 digits Jul 2016 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 2473905 744723 digits Apr 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2831709 852432 digits Jan 2020 Brian D. Niegocki; PSieve; srsieve; PrimeGrid; LLR
n = 2997453 902326 digits Mar 2021 Robert Gelhar; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3041954 915723 digits May 2021 Brian D. Niegocki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4216447 1269280 digits Jul 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4292968 1292315 digits Sep 2023 Marshall Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 437
max n: 4.621.006
n = 23 10 digits
n = 83 28 digits
n = 467 144 digits
n = 2267 686 digits
n = 64835 19520 digits
n = 105599 31792 digits Aug 2001 Joe Eversole; Proth
n = 2769299 833645 digits Jul 2019 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 2803775 844024 digits Sep 2019 Frank Schwegler; PSieve; srsieve; PrimeGrid; LLR
k: 439
max n: 4.620.485
n = 6 5 digits
n = 18 9 digits
n = 34 13 digits
n = 54 19 digits
n = 58 21 digits
n = 454 140 digits
n = 538 165 digits
n = 994 302 digits
n = 1122 341 digits
n = 3222 973 digits
n = 6582 1985 digits
n = 8886 2678 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14974 4511 digits Feb 1998 Ray Ballinger; Proth
n = 53014 15962 digits
n = 127086 38260 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 499662 150416 digits Jul 2007 Ruediger K. Eckhard; LLR
n = 1112314 334843 digits Dec 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 1288818 387976 digits Jan 2012 Maarten Wiegers; PSieve; srsieve; PrimeGrid; LLR
n = 1408326 423952 digits Jan 2012 HansJuergen Franke; PSieve; srsieve; PrimeGrid; LLR
n = 3318318 998916 digits Jul 2022 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3773958 1136078 digits Sep 2022 Jonathan Drake; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 441
max n: 4.620.132
n = 1 3 digits
n = 3 4 digits
n = 4 4 digits
n = 13 7 digits
n = 17 8 digits
n = 21 9 digits
n = 47 17 digits
n = 76 26 digits
n = 91 31 digits
n = 137 44 digits
n = 167 53 digits
n = 181 58 digits
n = 211 67 digits
n = 347 108 digits
n = 353 109 digits
n = 407 126 digits
n = 479 147 digits
n = 553 170 digits
n = 591 181 digits
n = 747 228 digits
n = 981 298 digits
n = 1407 427 digits
n = 3009 909 digits
n = 3127 944 digits
n = 6483 1955 digits
n = 10269 3094 digits
n = 17427 5249 digits Jul 1996 Patrick Demichel
n = 21181 6379 digits Oct 1996 Patrick Demichel
n = 24349 7333 digits
n = 36081 10865 digits
n = 54843 16513 digits
n = 56607 17044 digits Sep 1998 Tadashi Taura; Proth
n = 64369 19380 digits Sep 1998 Tadashi Taura; Proth
n = 64917 19545 digits
n = 66583 20047 digits
n = 79719 24001 digits
n = 83187 25045 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 109149 32860 digits Nov 2001 Anton Oleynick; Proth
n = 133580 40215 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 137788 41481 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 141836 42700 digits
n = 145604 43834 digits
n = 146909 44227 digits Mar 2001 Thomas J. Engelsma; Proth
n = 181439 54622 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 203089 61139 digits Apr 2005 Thierry Gaillard; Proth
n = 293727 88424 digits Jun 2005 Thierry Gaillard; Proth
n = 400444 120549 digits Sep 2005 Thierry Gaillard; Proth
n = 776036 233613 digits Nov 2007 Thierry Gaillard; NewPGen; LLR
n = 920683 277156 digits Apr 2009 Jérôme Le Bouec; Thierry Gaillard; NewPGen; LLR
n = 1662069 500336 digits Feb 2013 Kel Utendorf; PSieve; srsieve; PrimeGrid; LLR
n = 1787789 538181 digits Mar 2013 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1879067 565659 digits Jul 2013 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
n = 1968431 592560 digits Aug 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2648307 797223 digits Aug 2018 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 2754188 829096 digits Jul 2019 Jörg Bravin; PSieve; srsieve; PrimeGrid; LLR
n = 2809881 845862 digits Sep 2019 KaiMing Poon; PSieve; srsieve; PrimeGrid; LLR
k: 443
max n: 4.622.404
n = 1 3 digits
n = 5 5 digits
n = 9 6 digits
n = 33 13 digits
n = 45 17 digits
n = 245 77 digits
n = 401 124 digits
n = 565 173 digits
n = 289073 87023 digits Aug 2003 Yves Minet; Proth
n = 291693 87811 digits Aug 2003 Yves Minet; Proth
n = 1189865 358188 digits Dec 2011 Dylan Kenney; PSieve; srsieve; PrimeGrid; LLR
k: 445
max n: 4.622.847
n = 4 4 digits
n = 8 6 digits
n = 10 6 digits
n = 22 10 digits
n = 40 15 digits
n = 52 19 digits
n = 56 20 digits
n = 58 21 digits
n = 136 44 digits
n = 152 49 digits
n = 154 50 digits
n = 208 66 digits
n = 316 98 digits
n = 356 110 digits
n = 364 113 digits
n = 472 145 digits
n = 752 230 digits
n = 1006 306 digits
n = 1244 378 digits
n = 2324 703 digits
n = 2684 811 digits
n = 3980 1201 digits
n = 5468 1649 digits
n = 8552 2578 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10236 3084 digits
n = 14240 4290 digits Nov 1997 Henri Lifchitz; Proth
n = 15460 4657 digits Feb 1998 Charles F. Kerchner III; Proth
n = 20984 6320 digits Oct 1996 Patrick Demichel
n = 21862 6584 digits
n = 24682 7433 digits
n = 26900 8101 digits
n = 35588 10716 digits
n = 39344 11847 digits
n = 45984 13846 digits
n = 64762 19498 digits Feb 2001 Ray Ballinger; Proth
n = 73786 22215 digits Feb 2001 Ray Ballinger; Proth
n = 142612 42934 digits
n = 189464 57037 digits
n = 230204 69301 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 292018 87909 digits Jan 2006 Steven Harvey; FermFact; OpenPFGW
n = 449804 135408 digits Aug 2007 Souichi Murata; LLR
n = 1138720 342792 digits Dec 2011 Art Charette; PSieve; srsieve; PrimeGrid; LLR
n = 1328250 399846 digits Jan 2012 Ken Heinicken; PSieve; srsieve; PrimeGrid; LLR
n = 1408906 424126 digits Jan 2012 Alexey Tarasov; PSieve; srsieve; PrimeGrid; LLR
n = 1646888 495766 digits Feb 2013 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1980900 596313 digits Aug 2013 Chaichontat Sriworarat; PSieve; srsieve; PrimeGrid; LLR
n = 3860780 1162214 digits Jan 2023 Xuechen Xu; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4410256 1327622 digits Dec 2023 Shawn Schafer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4501292 1355027 digits Apr 2026 Sanghyeok Lee; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 447
max n: 4.619.829
n = 2 4 digits
n = 16 8 digits
n = 19 9 digits
n = 20 9 digits
n = 23 10 digits
n = 50 18 digits
n = 52 19 digits
n = 71 25 digits
n = 116 38 digits
n = 286 89 digits
n = 379 117 digits
n = 391 121 digits
n = 395 122 digits
n = 410 127 digits
n = 454 140 digits
n = 476 146 digits
n = 700 214 digits
n = 716 219 digits
n = 1340 407 digits
n = 1442 437 digits
n = 1712 519 digits
n = 1996 604 digits
n = 2231 675 digits
n = 2396 724 digits
n = 2783 841 digits
n = 2959 894 digits
n = 4124 1245 digits
n = 4466 1348 digits
n = 7424 2238 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8186 2467 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9542 2876 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10523 3171 digits
n = 12959 3904 digits
n = 14803 4459 digits Feb 1998 Ray Ballinger; Proth
n = 19136 5764 digits Oct 1996 Patrick Demichel
n = 23011 6930 digits
n = 27032 8141 digits
n = 33091 9965 digits
n = 35276 10622 digits
n = 35302 10630 digits Sep 1998 Tadashi Taura; Proth
n = 36052 10856 digits
n = 39139 11785 digits Jul 1997 Carlos B. Rivera F.
n = 81736 24608 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 125815 37877 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 167695 50484 digits May 2002 Peter Grobstich; NewPGen; PRP; Proth
n = 189350 57003 digits Aug 2002 Peter Grobstich; NewPGen; PRP; Proth
n = 248539 74821 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 608666 183230 digits Apr 2009 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 784892 236279 digits Mar 2010 Robert Michael Andrews; srsieve; PrimeGrid; LLR
n = 789416 237641 digits Sep 2010 Ronald Schneider; srsieve; PrimeGrid; LLR
n = 899570 270801 digits May 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 982256 295692 digits Apr 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1077379 324327 digits Nov 2011 Jim Foody; PSieve; srsieve; PrimeGrid; LLR
n = 2180102 656279 digits Apr 2014 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 3533656 1063740 digits Sep 2016 Stefan Geiger; PSieve; srsieve; PrimeGrid; LLR
n = 3719024 1119541 digits Aug 2022 Dao Heng Liu; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3780151 1137942 digits Sep 2022 Jan Kožíšek; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4457132 1341734 digits Jan 2024 Alan E. Monroe; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 449
max n: 4.620.856
n = 3 4 digits
n = 5 5 digits
n = 17 8 digits
n = 25 11 digits
n = 53 19 digits
n = 65 23 digits
n = 75 26 digits
n = 93 31 digits
n = 227 71 digits
n = 263 82 digits
n = 265 83 digits
n = 455 140 digits
n = 627 192 digits
n = 805 245 digits
n = 1187 360 digits
n = 1253 380 digits
n = 3345 1010 digits
n = 6377 1923 digits
n = 11465 3454 digits
n = 11977 3609 digits
n = 12317 3711 digits
n = 25097 7558 digits Apr 1998 Ray Ballinger; Proth
n = 34683 10444 digits Jul 1998 David Hanson; Proth
n = 42097 12676 digits
n = 113387 34136 digits Jan 2002 Peter Grobstich; NewPGen; PRP; Proth
n = 139585 42022 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 186287 56081 digits May 2002 Peter Grobstich; NewPGen; PRP; Proth
n = 214323 64521 digits Jul 2002 Peter Grobstich; NewPGen; PRP; Proth
n = 1093035 329039 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
k: 451
max n: 4.620.679
n = 12 7 digits
n = 24 10 digits
n = 4128 1246 digits
n = 6444 1943 digits
n = 6740 2032 digits
n = 49344 14857 digits
n = 66300 19961 digits Mar 2000 David Hanson; Proth
n = 72468 21818 digits Feb 2001 Ray Ballinger; Proth
n = 186740 56217 digits Sep 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 282540 85056 digits Sep 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 512076 154153 digits Feb 2008 Ruediger K. Eckhard; LLR
n = 976320 293905 digits Mar 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1316832 396409 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 2124636 639582 digits Mar 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2323952 699582 digits Apr 2016 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
k: 453
max n: 4.620.540
n = 1 3 digits
n = 10 6 digits
n = 16 8 digits
n = 18 9 digits
n = 21 9 digits
n = 33 13 digits
n = 37 14 digits
n = 48 18 digits
n = 57 20 digits
n = 66 23 digits
n = 96 32 digits
n = 108 36 digits
n = 133 43 digits
n = 198 63 digits
n = 262 82 digits
n = 480 148 digits
n = 550 169 digits
n = 673 206 digits
n = 858 261 digits
n = 988 301 digits
n = 1065 324 digits
n = 1576 478 digits
n = 1737 526 digits
n = 1756 532 digits
n = 1920 581 digits
n = 2362 714 digits
n = 2860 864 digits
n = 2917 881 digits
n = 4666 1408 digits
n = 5988 1806 digits
n = 6598 1989 digits
n = 11206 3376 digits May 1996 Patrick Demichel
n = 14326 4316 digits Feb 1998 Ray Ballinger; Proth
n = 28317 8527 digits
n = 37158 11189 digits
n = 53617 16143 digits
n = 53896 16227 digits
n = 63925 19246 digits
n = 80022 24092 digits
n = 125992 37931 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 186325 56093 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 211897 63791 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 318880 95996 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 428428 128973 digits Apr 2007 Ruediger K. Eckhard; LLR
n = 443212 133423 digits Aug 2007 Souichi Murata; LLR
n = 511288 153916 digits Feb 2008 Ruediger K. Eckhard; LLR
n = 563253 169559 digits Mar 2009 Simon Yakovlev; srsieve; PrimeGrid; LLR
n = 860497 259039 digits May 2011 Devin CorrRobinett; PSieve; srsieve; PrimeGrid; LLR
n = 965572 290669 digits Apr 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 2367388 712658 digits Jul 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2458461 740074 digits Feb 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3056181 920005 digits Jun 2021 Brian D. Niegocki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3303073 994327 digits Jul 2022 Frederik Schiøler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3387048 1019606 digits Jul 2016 Andreas Mueller; PSieve; srsieve; PrimeGrid; LLR
n = 3461688 1042075 digits Aug 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 455
max n: 4.617.236
n = 1 3 digits
n = 5 5 digits
n = 9 6 digits
n = 15 8 digits
n = 17 8 digits
n = 37 14 digits
n = 111 37 digits
n = 139 45 digits
n = 185 59 digits
n = 287 90 digits
n = 297 93 digits
n = 561 172 digits
n = 705 215 digits
n = 769 235 digits
n = 1187 360 digits
n = 1537 466 digits
n = 1795 544 digits
n = 2571 777 digits
n = 3391 1024 digits
n = 9367 2823 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11355 3421 digits May 1996 Patrick Demichel
n = 11871 3577 digits
n = 13739 4139 digits Feb 1998 Ray Ballinger; Proth
n = 15381 4633 digits Feb 1998 Charles F. Kerchner III; Proth
n = 30201 9095 digits Jul 1998 Ola Svallmark; Proth
n = 34227 10307 digits
n = 40515 12199 digits
n = 201207 60573 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 220397 66349 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 247841 74611 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 461215 138843 digits Sep 2007 Ruediger K. Eckhard; LLR
n = 599531 180480 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 689757 207641 digits Oct 2009 Andreas Adolfsson; srsieve; PrimeGrid; LLR
n = 897885 270293 digits May 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 1289501 388182 digits Jan 2012 Arne Brys; PSieve; srsieve; PrimeGrid; LLR
n = 1493715 449656 digits Feb 2012 Eugeny Mamonov; PSieve; srsieve; PrimeGrid; LLR
n = 1779315 535630 digits Mar 2013 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 3981067 1198424 digits Mar 2023 Uwe Pilz; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4598467 1384280 digits Jun 2026 Jamie Eubank; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 457
max n: 4.619.867
n = 8 6 digits
n = 28 12 digits
n = 34 13 digits
n = 70 24 digits
n = 90 30 digits
n = 158 51 digits
n = 280 87 digits
n = 320 99 digits
n = 448 138 digits
n = 1240 376 digits
n = 3700 1117 digits
n = 6608 1992 digits
n = 7508 2263 digits 1993 Harvey Dubner; Dubner Cruncher
n = 23514 7082 digits
n = 34144 10282 digits
n = 74760 22508 digits Jun 2000 Eduard Kostolansky; Proth
n = 118920 35802 digits Oct 2001 Heath Gerhardt; Proth
n = 131668 39639 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 353700 106477 digits Mar 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 863568 259963 digits May 2011 Robert Ślęzak; PSieve; srsieve; PrimeGrid; LLR
n = 915684 275652 digits Mar 2010 Ruediger K. Eckhard; LLR
k: 459
max n: 4.617.230
n = 1 3 digits
n = 3 4 digits
n = 9 6 digits
n = 18 9 digits
n = 19 9 digits
n = 21 9 digits
n = 29 12 digits
n = 35 14 digits
n = 51 19 digits
n = 53 19 digits
n = 57 20 digits
n = 75 26 digits
n = 111 37 digits
n = 150 48 digits
n = 175 56 digits
n = 273 85 digits
n = 279 87 digits
n = 306 95 digits
n = 317 99 digits
n = 475 146 digits
n = 669 205 digits
n = 717 219 digits
n = 750 229 digits
n = 1291 392 digits
n = 1326 402 digits
n = 1449 439 digits
n = 1483 450 digits
n = 1505 456 digits
n = 1779 539 digits
n = 2011 609 digits
n = 2745 829 digits
n = 3503 1058 digits
n = 3978 1201 digits
n = 6190 1867 digits
n = 6634 2000 digits
n = 7137 2152 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8529 2571 digits Dec 1993 Harvey Dubner; Dubner Cruncher
n = 10883 3279 digits
n = 12465 3756 digits
n = 17777 5355 digits Jul 1996 Patrick Demichel
n = 18155 5468 digits Oct 1996 Patrick Demichel
n = 18490 5569 digits Oct 1996 Patrick Demichel
n = 26211 7893 digits
n = 26723 8048 digits
n = 27730 8351 digits Jun 1998 David Hanson; Proth
n = 28038 8443 digits Jun 1998 David Hanson; Proth
n = 28074 8454 digits Jun 1998 David Hanson; Proth
n = 32795 9875 digits Jul 1998 David Hanson; Proth
n = 42770 12878 digits
n = 48715 14668 digits
n = 52949 15942 digits
n = 60323 18162 digits Jan 2001 Reto Keiser; Proth
n = 66203 19932 digits Jan 2001 Reto Keiser; Proth
n = 66383 19986 digits Jan 2001 Reto Keiser; Proth
n = 95589 28778 digits Feb 2001 Reto Keiser; Proth
n = 125085 37657 digits Jun 2001 Reto Keiser; Proth
n = 149146 44901 digits Oct 2001 Reto Keiser; Proth
n = 153774 46294 digits Nov 2001 Reto Keiser; Proth
n = 241665 72752 digits Mar 2002 Peter Grobstich; NewPGen; PRP; Proth
n = 304739 91739 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 313426 94354 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 562794 169421 digits Mar 2009 Stephen Moody; srsieve; PrimeGrid; LLR
n = 565374 170198 digits Mar 2009 Bruno Usai; srsieve; PrimeGrid; LLR
n = 574949 173080 digits Mar 2009 Brock Reiter; srsieve; PrimeGrid; LLR
n = 593309 178607 digits Mar 2009 Andreas Tamasko; srsieve; PrimeGrid; LLR
n = 777071 233925 digits Apr 2009 Darren Wallace; NewPGen; LLR
n = 816031 245653 digits Feb 2011 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 858806 258530 digits May 2011 Stefan Schmitt; PSieve; srsieve; PrimeGrid; LLR
n = 1176058 354032 digits Dec 2011 Nico Hunger; PSieve; srsieve; PrimeGrid; LLR
n = 1609603 484542 digits Feb 2013 Arif Mert Kapicioglu; PSieve; srsieve; PrimeGrid; LLR
n = 2249183 677075 digits Apr 2015 Javi Jarne; PSieve; srsieve; PrimeGrid; LLR
n = 2573899 774824 digits Mar 2018 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2742310 825521 digits Jul 2019 Mike Kinney; PSieve; srsieve; PrimeGrid; LLR
n = 2990134 900123 digits Mar 2021 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3011814 906650 digits May 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3163175 952214 digits Jan 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3795969 1142704 digits Oct 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4129577 1243130 digits Jun 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 461
max n: 4.620.510
n = 5 5 digits
n = 7 5 digits
n = 17 8 digits
n = 41 16 digits
n = 175 56 digits
n = 14621 4405 digits Feb 1998 Ray Ballinger; Proth
n = 14711 4432 digits Feb 1998 Ray Ballinger; Proth
n = 25775 7762 digits
n = 49591 14932 digits
n = 120767 36358 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 204809 61657 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 655327 197276 digits Jun 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 2007631 604360 digits Feb 2014 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
k: 463
max n: 4.614.029
n = 6 5 digits
n = 8 6 digits
n = 30 12 digits
n = 62 22 digits
n = 96 32 digits
n = 118 39 digits
n = 222 70 digits
n = 332 103 digits
n = 472 145 digits
n = 528 162 digits
n = 1086 330 digits
n = 1388 421 digits
n = 1720 521 digits
n = 2110 638 digits
n = 2726 824 digits
n = 4120 1243 digits
n = 9112 2746 digits 1993 Harvey Dubner; Dubner Cruncher
n = 20120 6060 digits Oct 1996 Patrick Demichel
n = 24750 7454 digits
n = 27512 8285 digits
n = 39332 11843 digits
n = 50832 15305 digits
n = 64140 19311 digits
n = 65668 19771 digits
n = 86092 25919 digits
n = 89190 26852 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 109500 32966 digits Dec 2001 Anton Oleynick; Proth
n = 226710 68250 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 353160 106315 digits Apr 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 575902 173367 digits Mar 2009 Mike Ingram; srsieve; PrimeGrid; LLR
n = 728692 219361 digits Feb 2010 Robert M Weis; srsieve; PrimeGrid; LLR
n = 1122510 337912 digits Dec 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 3671262 1105163 digits Jul 2022 Frank Matillek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 465
max n: 4.617.968
n = 2 4 digits
n = 6 5 digits
n = 9 6 digits
n = 21 9 digits
n = 41 16 digits
n = 50 18 digits
n = 74 25 digits
n = 105 35 digits
n = 119 39 digits
n = 161 52 digits
n = 191 61 digits
n = 246 77 digits
n = 255 80 digits
n = 402 124 digits
n = 419 129 digits
n = 540 166 digits
n = 941 286 digits
n = 1085 330 digits
n = 1245 378 digits
n = 1250 379 digits
n = 1415 429 digits
n = 1992 603 digits
n = 2169 656 digits
n = 2243 678 digits
n = 2640 798 digits
n = 4908 1481 digits
n = 5102 1539 digits
n = 6410 1933 digits
n = 9078 2736 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13215 3981 digits
n = 15609 4702 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16239 4892 digits Feb 1998 Charles F. Kerchner III; Proth
n = 19059 5740 digits Oct 1996 Patrick Demichel
n = 25070 7550 digits Apr 1998 Ray Ballinger; Proth
n = 27326 8229 digits
n = 30455 9171 digits
n = 30681 9239 digits
n = 44255 13325 digits
n = 64833 19520 digits
n = 81269 24468 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 112710 33932 digits May 2002 Michael B. Porter; Proth
n = 119001 35826 digits Jun 2002 Michael B. Porter; Proth
n = 187589 56473 digits Jun 2003 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 201468 60651 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 202299 60901 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 207246 62390 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 297375 89522 digits Jan 2006 Steven Harvey; FermFact; OpenPFGW
n = 320493 96481 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 366696 110390 digits Jun 2007 Souichi Murata; LLR
n = 573441 172626 digits Mar 2009 Douglas A. Wood; srsieve; PrimeGrid; LLR
n = 652931 196555 digits May 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 671915 202270 digits Aug 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 876113 263739 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1042293 313765 digits Nov 2011 John S. Burningham; PSieve; srsieve; PrimeGrid; LLR
n = 1096176 329985 digits Nov 2011 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1146888 345251 digits Dec 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1606272 483539 digits Feb 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1720310 517868 digits Mar 2013 Caspar van Leeuwen; PSieve; srsieve; PrimeGrid; LLR
n = 2395133 721010 digits Aug 2016 Ralf Graeber; PSieve; srsieve; PrimeGrid; LLR
n = 2431455 731944 digits Nov 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2630496 791861 digits Aug 2018 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 2914079 877228 digits Dec 2020 A.J.Brech; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3536871 1064707 digits Sep 2016 Kenneth Biscop; PSieve; srsieve; PrimeGrid; LLR
k: 467
max n: 4.623.798
n = 19 9 digits
n = 247 78 digits
n = 547 168 digits
n = 1783 540 digits
n = 3475 1049 digits 1984 Hiromi Suyama
n = 10987 3311 digits
n = 23599 7107 digits
n = 266899 80348 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 387139 116544 digits Jan 2006 Jacques Molné; Proth
n = 785695 236521 digits Aug 2010 Benjamin J. Molineaux; srsieve; PrimeGrid; LLR
n = 2085835 627902 digits Mar 2014 Jacques Haymoz; PSieve; srsieve; PrimeGrid; LLR
n = 2749195 827593 digits Jul 2019 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
k: 469
max n: 4.624.681
n = 2 4 digits
n = 190 60 digits
n = 242 76 digits
n = 326 101 digits
n = 1562 473 digits
n = 31430 9465 digits
n = 43666 13148 digits
n = 497206 149677 digits Sep 2007 Souichi Murata; LLR
n = 504610 151906 digits Mar 2008 Ruediger K. Eckhard; LLR
n = 4414802 1328991 digits Dec 2023 Reginald McLean; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 471
max n: 4.619.183
n = 3 4 digits
n = 4 4 digits
n = 5 5 digits
n = 7 5 digits
n = 8 6 digits
n = 11 6 digits
n = 17 8 digits
n = 20 9 digits
n = 36 14 digits
n = 40 15 digits
n = 43 16 digits
n = 47 17 digits
n = 53 19 digits
n = 71 25 digits
n = 107 35 digits
n = 123 40 digits
n = 225 71 digits
n = 345 107 digits
n = 368 114 digits
n = 460 142 digits
n = 468 144 digits
n = 625 191 digits
n = 652 199 digits
n = 807 246 digits
n = 1036 315 digits
n = 1107 336 digits
n = 1285 390 digits
n = 1531 464 digits
n = 1613 489 digits
n = 1820 551 digits
n = 1837 556 digits
n = 2084 631 digits
n = 2195 664 digits
n = 3512 1060 digits
n = 3604 1088 digits
n = 4427 1336 digits
n = 6273 1892 digits
n = 6945 2094 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7112 2144 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8615 2597 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9223 2780 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9564 2882 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12265 3695 digits
n = 22697 6836 digits 1996 Patrick Demichel
n = 23895 7196 digits Oct 1998 Christ van Willegen; Proth
n = 26435 7961 digits Oct 1998 Christ van Willegen; Proth
n = 26492 7978 digits Oct 1998 Christ van Willegen; Proth
n = 31313 9429 digits Nov 1998 Reinhard F. Stenzel; Proth
n = 35297 10629 digits
n = 48795 14692 digits Sep 1998 Tadashi Taura; Proth
n = 58577 17637 digits
n = 75104 22612 digits
n = 75573 22753 digits
n = 103323 31106 digits Dec 2001 Anton Oleynick; Proth
n = 109387 32932 digits Dec 2001 Anton Oleynick; Proth
n = 127824 38482 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 200475 60352 digits Feb 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 303831 91465 digits Feb 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 347540 104623 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 459963 138466 digits May 2007 Ruediger K. Eckhard; LLR
n = 498476 150059 digits Sep 2007 Ruediger K. Eckhard; LLR
n = 1023095 307985 digits Jul 2011 James Winskill; PSieve; srsieve; PrimeGrid; LLR
n = 1273000 383214 digits Jan 2012 Mike Ingram; PSieve; srsieve; PrimeGrid; LLR
n = 1320865 397623 digits Jan 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1732587 521564 digits Mar 2013 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 2890148 870024 digits Oct 2020 Fred Zuschlag; PSieve; srsieve; PrimeGrid; LLR
k: 473
max n: 4.622.160
n = 1 3 digits
n = 5 5 digits
n = 37 14 digits
n = 109 36 digits
n = 2045 619 digits
n = 49141 14796 digits
n = 54569 16430 digits
n = 65485 19716 digits
n = 148957 44844 digits Apr 2002 Michael B. Porter; Proth
n = 174989 52680 digits
n = 180613 54373 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 231197 69600 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 479081 144221 digits Nov 2007 Ruediger K. Eckhard; LLR
n = 1055381 317705 digits Nov 2011 Stefano D'Urso; PSieve; srsieve; PrimeGrid; LLR
n = 1769101 532556 digits Mar 2013 Michal Boruvka; PSieve; srsieve; PrimeGrid; LLR
k: 475
max n: 4.624.245
n = 2 4 digits
n = 26 11 digits
n = 38 15 digits
n = 100 33 digits
n = 340 106 digits
n = 686 210 digits
n = 2062 624 digits
n = 2786 842 digits
n = 26698 8040 digits
n = 40330 12144 digits
n = 377668 113693 digits Jul 2007 Souichi Murata; LLR
n = 447826 134812 digits Sep 2007 Souichi Murata; LLR
n = 759412 228609 digits Feb 2010 Peter Verstappen; srsieve; PrimeGrid; LLR
n = 1269578 382184 digits Jan 2012 Mike Day; PSieve; srsieve; PrimeGrid; LLR
n = 2403220 723444 digits Sep 2016 Florian Leudesdorff; PSieve; srsieve; PrimeGrid; LLR
n = 2908802 875640 digits Jan 2021 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3670046 1104797 digits Jul 2022 Frank Matillek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 477
max n: 4.604.377
n = 6 5 digits
n = 7 5 digits
n = 14 7 digits
n = 15 8 digits
n = 18 9 digits
n = 27 11 digits
n = 39 15 digits
n = 42 16 digits
n = 50 18 digits
n = 54 19 digits
n = 71 25 digits
n = 88 30 digits
n = 99 33 digits
n = 102 34 digits
n = 104 34 digits
n = 138 45 digits
n = 168 54 digits
n = 275 86 digits
n = 306 95 digits
n = 615 188 digits
n = 1274 387 digits
n = 1375 417 digits
n = 1824 552 digits
n = 1890 572 digits
n = 3055 923 digits
n = 4379 1321 digits
n = 5167 1559 digits
n = 5538 1670 digits
n = 11775 3548 digits
n = 11895 3584 digits
n = 14567 4388 digits
n = 15547 4683 digits Feb 1998 Charles F. Kerchner III; Proth
n = 21746 6549 digits Oct 1996 Patrick Demichel
n = 23250 7002 digits 1996 Patrick Demichel
n = 24824 7476 digits
n = 25322 7626 digits Jun 1998 Ray Ballinger; Proth
n = 29310 8826 digits
n = 39567 11914 digits
n = 43806 13190 digits
n = 50560 15223 digits Jun 1998 David Hanson; Proth
n = 73370 22090 digits
n = 76074 22904 digits
n = 100215 30171 digits Oct 2001 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 123528 37189 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 127599 38414 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 135470 40784 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 361971 108967 digits May 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 365800 110120 digits Jul 2007 Souichi Murata; LLR
n = 423704 127551 digits May 2007 Ruediger K. Eckhard; LLR
n = 433299 130439 digits Aug 2007 Souichi Murata; LLR
n = 447278 134647 digits Aug 2007 Souichi Murata; LLR
n = 735735 221481 digits Feb 2010 Mark Timbrell; srsieve; PrimeGrid; LLR
n = 743610 223852 digits Feb 2010 Bruno Usai; srsieve; PrimeGrid; LLR
n = 1545648 465290 digits Jan 2013 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 2006719 604086 digits Feb 2014 Tyler Bredl; PSieve; srsieve; PrimeGrid; LLR
n = 3779871 1137858 digits Sep 2022 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 479
max n: 4.622.636
n = 3 4 digits
n = 5 5 digits
n = 21 10 digits
n = 45 17 digits
n = 123 40 digits
n = 209 66 digits
n = 297 93 digits
n = 401 124 digits
n = 489 150 digits
n = 761 232 digits
n = 3159 954 digits
n = 4023 1214 digits
n = 5321 1605 digits
n = 5907 1781 digits
n = 7041 2123 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10407 3136 digits
n = 10491 3161 digits
n = 11477 3458 digits
n = 11577 3488 digits
n = 12471 3757 digits
n = 12651 3812 digits
n = 24353 7334 digits
n = 78905 23756 digits
n = 122561 36898 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 205385 61830 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 280713 84506 digits Jan 2006 Steven Harvey; FermFact; OpenPFGW
n = 336651 101345 digits May 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 2209541 665141 digits Mar 2015 YoungJun Ga; PSieve; srsieve; PrimeGrid; LLR
n = 3411975 1027110 digits Jul 2016 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 4492481 1352375 digits Jan 2024 Angus Basil; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 481
max n: 4.622.079
n = 64 22 digits
n = 196 62 digits
n = 2164 655 digits
n = 2956 893 digits
n = 110748 33342 digits Mar 2002 Michael B. Porter; Proth
n = 1263444 380338 digits Jan 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1593660 479743 digits Feb 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2201148 662615 digits Mar 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 483
max n: 4.620.632
n = 1 3 digits
n = 2 4 digits
n = 13 7 digits
n = 14 7 digits
n = 18 9 digits
n = 21 10 digits
n = 22 10 digits
n = 26 11 digits
n = 56 20 digits
n = 73 25 digits
n = 74 25 digits
n = 121 40 digits
n = 133 43 digits
n = 169 54 digits
n = 192 61 digits
n = 193 61 digits
n = 226 71 digits
n = 242 76 digits
n = 282 88 digits
n = 346 107 digits
n = 356 110 digits
n = 416 128 digits
n = 517 159 digits
n = 812 248 digits
n = 1653 501 digits
n = 2458 743 digits
n = 2468 746 digits
n = 4492 1355 digits
n = 4994 1507 digits
n = 5648 1703 digits
n = 6498 1959 digits
n = 12188 3672 digits
n = 12741 3839 digits
n = 12973 3908 digits
n = 17026 5129 digits May 1996 Patrick Demichel
n = 18421 5548 digits Oct 1996 Patrick Demichel
n = 19112 5756 digits Oct 1996 Patrick Demichel
n = 22918 6902 digits 1996 Patrick Demichel
n = 23017 6932 digits 1996 Patrick Demichel
n = 33796 10177 digits
n = 47288 14238 digits Nov 2000 Nestor Sergio de Araujo Melo; Proth
n = 77054 23199 digits
n = 77638 23375 digits
n = 80998 24386 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 102157 30756 digits Nov 2001 Heath Gerhardt; Proth
n = 104204 31372 digits Nov 2001 Heath Gerhardt; Proth
n = 111682 33623 digits Nov 2001 Heath Gerhardt; Proth
n = 117322 35321 digits Dec 2001 Heath Gerhardt; Proth
n = 216397 65145 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 222141 66874 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 340489 102501 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 528297 159036 digits Jun 2008 Steven Harvey; FermFact; OpenPFGW
n = 689536 207574 digits Oct 2009 Payam Samidoost; srsieve; PrimeGrid; LLR
n = 895392 269543 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1568404 472140 digits Feb 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2155456 648860 digits Apr 2014 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 3264181 982620 digits Jun 2022 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4270112 1285435 digits Aug 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 485
max n: 4.619.898
n = 1 3 digits
n = 3 4 digits
n = 7 5 digits
n = 19 9 digits
n = 31 13 digits
n = 111 37 digits
n = 147 47 digits
n = 257 81 digits
n = 259 81 digits
n = 307 96 digits
n = 313 97 digits
n = 383 118 digits
n = 401 124 digits
n = 451 139 digits
n = 481 148 digits
n = 483 149 digits
n = 519 159 digits
n = 2361 714 digits
n = 5271 1590 digits
n = 9871 2975 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16571 4992 digits Mar 1998 Charles F. Kerchner III; Proth
n = 21097 6354 digits
n = 31369 9446 digits
n = 32547 9801 digits
n = 56873 17124 digits
n = 59089 17791 digits
n = 62599 18847 digits
n = 93193 28057 digits Oct 2001 Heath Gerhardt; Proth
n = 107519 32370 digits Nov 2001 Heath Gerhardt; Proth
n = 121913 36703 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 131649 39633 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 338297 101841 digits May 2007 Souichi Murata; LLR
n = 392353 118113 digits Jul 2007 Souichi Murata; LLR
n = 542823 163409 digits Feb 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 591787 178149 digits Mar 2009 Jonathan Yates; srsieve; PrimeGrid; LLR
n = 617483 185884 digits Apr 2009 John Reeves; srsieve; PrimeGrid; LLR
n = 1755887 528578 digits Mar 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1884579 567318 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2778151 836310 digits Jul 2019 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 3618563 1089299 digits Mar 2019 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
n = 3688111 1110235 digits Jul 2022 Wolfgang Schwieger; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 487
max n: 4.613.489
n = 2 4 digits
n = 4 4 digits
n = 8 6 digits
n = 10 6 digits
n = 14 7 digits
n = 16 8 digits
n = 18 9 digits
n = 24 10 digits
n = 26 11 digits
n = 28 12 digits
n = 36 14 digits
n = 44 16 digits
n = 62 22 digits
n = 64 22 digits
n = 94 31 digits
n = 110 36 digits
n = 136 44 digits
n = 220 69 digits
n = 352 109 digits
n = 538 165 digits
n = 546 168 digits
n = 836 255 digits
n = 1104 336 digits
n = 1364 414 digits
n = 2860 864 digits
n = 2914 880 digits
n = 3028 915 digits
n = 3066 926 digits
n = 3416 1032 digits
n = 4600 1388 digits
n = 7552 2277 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7910 2384 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10098 3043 digits
n = 11572 3487 digits
n = 17722 5338 digits Jul 1996 Patrick Demichel
n = 19792 5961 digits Oct 1996 Patrick Demichel
n = 21980 6620 digits
n = 27526 8289 digits
n = 30366 9144 digits
n = 36062 10859 digits
n = 38544 11606 digits
n = 60774 18298 digits
n = 198836 59859 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 198998 59908 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 246494 74205 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 290788 87539 digits Jan 2006 Steven Harvey; FermFact; OpenPFGW
n = 299416 90136 digits Jan 2006 Steven Harvey; FermFact; OpenPFGW
n = 391180 117760 digits Jul 2007 Souichi Murata; LLR
n = 412864 124288 digits Jun 2007 Steven Harvey; FermFact; OpenPFGW
n = 509982 153523 digits Apr 2008 Ruediger K. Eckhard; LLR
n = 713174 214690 digits Feb 2010 Keith Pattenden; srsieve; PrimeGrid; LLR
n = 804524 242189 digits Feb 2011 Albert J. Klein; PSieve; srsieve; PrimeGrid; LLR
n = 1005892 302807 digits Feb 2011 Eric Ueda; PSieve; srsieve; PrimeGrid; LLR
n = 1340126 403421 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1382068 416047 digits Jan 2012 Radoslaw Szumlakowski; PSieve; srsieve; PrimeGrid; LLR
n = 2655008 799240 digits Sep 2018 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 489
max n: 4.621.998
n = 5 5 digits
n = 13 7 digits
n = 19 9 digits
n = 37 14 digits
n = 49 18 digits
n = 50 18 digits
n = 65 23 digits
n = 119 39 digits
n = 599 184 digits
n = 803 245 digits
n = 919 280 digits
n = 1045 318 digits
n = 1106 336 digits
n = 1789 542 digits
n = 6155 1856 digits
n = 9226 2780 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9415 2837 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17759 5349 digits Jul 1996 Patrick Demichel
n = 46834 14102 digits
n = 75977 22875 digits
n = 97789 29441 digits Oct 2001 Heath Gerhardt; Proth
n = 327298 98530 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 704557 212096 digits Jan 2010 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 851818 256426 digits May 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1864339 561225 digits Jul 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2944673 886438 digits Feb 2021 Robert Gelhar; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 491
max n: 4.620.688
n = 1 3 digits
n = 3 4 digits
n = 9 6 digits
n = 25 11 digits
n = 29 12 digits
n = 73 25 digits
n = 85 29 digits
n = 89 30 digits
n = 161 52 digits
n = 169 54 digits
n = 233 73 digits
n = 241 76 digits
n = 261 82 digits
n = 273 85 digits
n = 859 262 digits
n = 1197 364 digits
n = 1565 474 digits
n = 5619 1695 digits
n = 6707 2022 digits Mar 1996 Patrick Demichel
n = 12059 3633 digits
n = 21673 6527 digits
n = 22169 6677 digits
n = 28521 8589 digits
n = 54245 16333 digits
n = 60789 18303 digits
n = 66685 20077 digits
n = 92217 27763 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 97049 29218 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 112457 33856 digits Nov 2001 Heath Gerhardt; Proth
n = 123281 37114 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 137833 41495 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 143029 43059 digits Jan 2002 Heath Gerhardt; Proth
n = 181753 54716 digits Jan 2005 Mark Rodenkirch; NewPGen; OpenPFGW
n = 205337 61816 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 331877 99908 digits Feb 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 394425 118737 digits Jul 2007 Souichi Murata; LLR
n = 532821 160398 digits Jun 2008 Steven Harvey; FermFact; OpenPFGW
n = 698645 210316 digits Dec 2009 Peter Tibbott; srsieve; PrimeGrid; LLR
n = 963373 290007 digits Jun 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 1382361 416135 digits Jan 2012 Kenta Miyakoshi; PSieve; srsieve; PrimeGrid; LLR
n = 1710497 514914 digits Mar 2013 Jesper Hedlund; PSieve; srsieve; PrimeGrid; LLR
n = 3473837 1045732 digits Aug 2016 Stephen P. Norton; PSieve; srsieve; PrimeGrid; LLR
k: 493
max n: 4.619.273
n = 2 4 digits
n = 680 208 digits
n = 798 243 digits
n = 1112 338 digits
n = 2858 864 digits
n = 5862 1768 digits
n = 11318 3410 digits May 1996 Patrick Demichel
n = 12056 3632 digits
n = 24812 7472 digits
n = 30242 9107 digits Jul 1998 Ola Svallmark; Proth
n = 30786 9271 digits
n = 31314 9430 digits
n = 81776 24620 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 398564 119983 digits Jun 2007 Souichi Murata; LLR
n = 473996 142690 digits Feb 2008 Ruediger K. Eckhard; LLR
n = 2002964 602955 digits Feb 2014 Georg Amschl; PSieve; srsieve; PrimeGrid; LLR
n = 2857856 860304 digits Mar 2020 Gregory Coscia; PSieve; srsieve; PrimeGrid; LLR
n = 2912552 876769 digits Jan 2021 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3929192 1182808 digits Feb 2023 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 495
max n: 4.618.967
n = 1 3 digits
n = 7 5 digits
n = 16 8 digits
n = 24 10 digits
n = 28 12 digits
n = 33 13 digits
n = 39 15 digits
n = 46 17 digits
n = 49 18 digits
n = 73 25 digits
n = 84 28 digits
n = 127 41 digits
n = 223 70 digits
n = 271 85 digits
n = 276 86 digits
n = 591 181 digits
n = 636 195 digits
n = 663 203 digits
n = 973 296 digits
n = 1248 379 digits
n = 1768 535 digits
n = 2968 897 digits
n = 3633 1097 digits
n = 6856 2067 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12256 3693 digits
n = 13657 4114 digits Feb 1998 Ray Ballinger; Proth
n = 20206 6086 digits Oct 1996 Patrick Demichel
n = 28396 8551 digits
n = 30856 9292 digits
n = 32734 9857 digits Jul 1998 David Hanson; Proth
n = 37378 11255 digits
n = 72541 21840 digits
n = 134209 40404 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 149433 44987 digits
n = 214668 64625 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 340276 102436 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 439656 132353 digits Sep 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 496551 149480 digits Jan 2008 Ruediger K. Eckhard; LLR
n = 915316 275541 digits Mar 2010 Ruediger K. Eckhard; LLR
n = 959268 288772 digits Jun 2011 Alexandre Garcia; PSieve; srsieve; PrimeGrid; LLR
n = 1616716 486683 digits Feb 2013 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 1744183 525055 digits Mar 2013 Mike Ingram; PSieve; srsieve; PrimeGrid; LLR
n = 1874077 564157 digits Jul 2013 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 2255944 679110 digits Apr 2015 Greg Nelson; PSieve; srsieve; PrimeGrid; LLR
n = 3123624 940308 digits Nov 2021 Sai Yik Tang; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3484656 1048989 digits Sep 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 497
max n: 4.622.866
n = 7 5 digits
n = 11 7 digits
n = 19 9 digits
n = 31 13 digits
n = 35 14 digits
n = 71 25 digits
n = 79 27 digits
n = 235 74 digits
n = 319 99 digits
n = 1391 422 digits
n = 1559 473 digits
n = 43815 13193 digits
n = 60651 18261 digits Jan 1999 David Hanson; Proth
n = 86135 25932 digits
n = 420907 126709 digits Jan 2007 Souichi Murata; LLR
n = 687675 207014 digits Oct 2009 Mark Schell; srsieve; PrimeGrid; LLR
n = 1154735 347613 digits Dec 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1366295 411299 digits Jan 2012 Minki Li; PSieve; srsieve; PrimeGrid; LLR
n = 1994051 600272 digits Aug 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 2818787 848543 digits Nov 2019 Stephanie Smith; PSieve; srsieve; PrimeGrid; LLR
k: 499
max n: 4.623.325
n = 2 4 digits
n = 18 9 digits
n = 58 21 digits
n = 94 31 digits
n = 146 47 digits
n = 362 112 digits
n = 610 187 digits
n = 714 218 digits
n = 898 274 digits
n = 994 302 digits
n = 1514 459 digits
n = 1718 520 digits
n = 5742 1732 digits
n = 8278 2495 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8374 2524 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13610 4100 digits Feb 1998 Ray Ballinger; Proth
n = 16306 4912 digits Feb 1998 Charles F. Kerchner III; Proth
n = 23798 7167 digits
n = 26314 7925 digits
n = 28854 8689 digits
n = 29222 8800 digits
n = 69358 20882 digits Apr 2001 Jan Munch Pedersen; Proth
n = 70646 21270 digits Apr 2001 Jan Munch Pedersen; Proth
n = 206986 62312 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 701434 211156 digits Aug 2008 Souichi Murata; LLR
n = 1150034 346198 digits Dec 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1651814 497249 digits Feb 2013 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 3066970 923253 digits Jul 2021 Alexander E. Baranchikov; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 501
max n: 4.620.022
n = 4 4 digits
n = 5 5 digits
n = 8 6 digits
n = 12 7 digits
n = 13 7 digits
n = 37 14 digits
n = 40 15 digits
n = 45 17 digits
n = 53 19 digits
n = 60 21 digits
n = 61 22 digits
n = 77 26 digits
n = 120 39 digits
n = 125 41 digits
n = 152 49 digits
n = 159 51 digits
n = 205 65 digits
n = 269 84 digits
n = 323 100 digits
n = 344 107 digits
n = 351 109 digits
n = 629 193 digits
n = 992 302 digits
n = 1484 450 digits
n = 1525 462 digits
n = 1619 491 digits
n = 1717 520 digits
n = 2067 625 digits
n = 2389 722 digits
n = 2968 897 digits
n = 3219 972 digits
n = 3508 1059 digits 1987 Gary B. Gostin
n = 3624 1094 digits
n = 3749 1132 digits
n = 4180 1262 digits
n = 6711 2023 digits Mar 1996 Patrick Demichel
n = 6744 2033 digits Mar 1996 Patrick Demichel
n = 9143 2756 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10805 3256 digits
n = 13688 4124 digits Feb 1998 Ray Ballinger; Proth
n = 20240 6096 digits Oct 1996 Patrick Demichel
n = 23269 7008 digits 1996 Patrick Demichel
n = 28045 8446 digits Jun 1998 David Hanson; Proth
n = 31301 9426 digits Jul 1998 Tadashi Taura; Proth
n = 32944 9920 digits Aug 1998 David Hanson; Proth
n = 36344 10944 digits Feb 1999 David Hanson; Proth
n = 63005 18970 digits Nov 2000 Ruediger K. Eckhard; Proth
n = 72312 21771 digits Nov 2000 Ruediger K. Eckhard; Proth
n = 82053 24704 digits Nov 2000 Ruediger K. Eckhard; Proth
n = 86477 26035 digits Nov 2000 Ruediger K. Eckhard; Proth
n = 102983 31004 digits Aug 1999 Mark D. Turner; Proth
n = 122919 37006 digits Oct 2000 Mark D. Turner; Proth
n = 176392 53102 digits Oct 1999 Mark D. Turner; Proth
n = 262493 79021 digits Jun 2005 Dennis Okon; Proth
n = 305468 91958 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 400632 120605 digits Dec 2005 Ruediger K. Eckhard; LLR
n = 515543 155197 digits Dec 2007 Ruediger K. Eckhard; LLR
n = 618284 186125 digits Jun 2008 Ruediger K. Eckhard; LLR
n = 621532 187103 digits Apr 2009 Scott Gilvey; srsieve; PrimeGrid; LLR
n = 2641052 795039 digits Aug 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2728224 821280 digits May 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 503
max n: 4.623.076
n = 5 5 digits
n = 13 7 digits
n = 17 8 digits
n = 277 87 digits
n = 461 142 digits
n = 1205 366 digits
n = 530429 159678 digits Nov 2006 Hans Overmann; Proth
n = 1481165 445878 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1868417 562453 digits Sep 2013 Benjamin Glasgow; PSieve; srsieve; PrimeGrid; LLR
n = 2106013 633976 digits Mar 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2668529 803310 digits Oct 2018 Giovanni Valentino; PSieve; srsieve; PrimeGrid; LLR
n = 3936845 1185112 digits Feb 2023 Christian Wallbaum; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 505
max n: 4.615.487
n = 4 4 digits
n = 6 5 digits
n = 8 6 digits
n = 14 7 digits
n = 32 13 digits
n = 36 14 digits
n = 38 15 digits
n = 42 16 digits
n = 54 19 digits
n = 68 24 digits
n = 96 32 digits
n = 138 45 digits
n = 158 51 digits
n = 182 58 digits
n = 214 68 digits
n = 386 119 digits
n = 684 209 digits
n = 754 230 digits
n = 964 293 digits
n = 1214 369 digits
n = 2308 698 digits
n = 5176 1561 digits
n = 10944 3298 digits
n = 11254 3391 digits May 1996 Patrick Demichel
n = 26242 7903 digits Jul 1998 Tadashi Taura; Proth
n = 38804 11684 digits
n = 100534 30267 digits Sep 2000 Mark D. Turner; Proth
n = 150714 45373 digits Jul 2001 Mark D. Turner; Proth
n = 177876 53549 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 196076 59028 digits Jul 2004 Martin Weil; Proth
n = 232858 70100 digits Mar 2005 Dennis Okon; Proth
n = 372068 112007 digits Aug 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 421148 126781 digits May 2006 Ruediger K. Eckhard; LLR
n = 729568 219625 digits Feb 2010 Alain Borgne; srsieve; PrimeGrid; LLR
n = 737538 222024 digits Feb 2010 Frans Englund; srsieve; PrimeGrid; LLR
n = 902346 271636 digits Oct 2009 Ruediger K. Eckhard; LLR
n = 1457394 438723 digits Jan 2012 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 1529188 460335 digits Oct 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 2225296 669884 digits Apr 2015 Olof Leps; PSieve; srsieve; PrimeGrid; LLR
n = 2649496 797581 digits Aug 2018 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 507
max n: 4.620.095
n = 2 4 digits
n = 3 4 digits
n = 8 6 digits
n = 11 7 digits
n = 20 9 digits
n = 23 10 digits
n = 26 11 digits
n = 30 12 digits
n = 32 13 digits
n = 72 25 digits
n = 74 25 digits
n = 92 31 digits
n = 180 57 digits
n = 200 63 digits
n = 236 74 digits
n = 251 79 digits
n = 342 106 digits
n = 360 112 digits
n = 563 173 digits
n = 702 215 digits
n = 962 293 digits
n = 1340 407 digits
n = 1398 424 digits
n = 1559 473 digits
n = 2034 616 digits
n = 3704 1118 digits
n = 4238 1279 digits
n = 5906 1781 digits
n = 8186 2467 digits 1993 Harvey Dubner; Dubner Cruncher
n = 22230 6695 digits 1996 Patrick Demichel
n = 32787 9873 digits Jul 1998 David Hanson; Proth
n = 41688 12553 digits
n = 157730 47485 digits Jan 2002 Göran Axelsson; Proth
n = 190328 57298 digits Oct 2002 L. Vincent Edmondson; Curtis Cooper; Proth
n = 200448 60344 digits Jun 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 266414 80202 digits Jun 2005 Dennis Okon; Proth
n = 287372 86511 digits Jul 2005 Dennis Okon; Proth
n = 305996 92117 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 504116 151757 digits Jan 2008 Ruediger K. Eckhard; LLR
n = 516086 155361 digits Jan 2008 Ruediger K. Eckhard; LLR
n = 545696 164274 digits Feb 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 766007 230594 digits Feb 2010 Shogo Iwai; srsieve; PrimeGrid; LLR
n = 1786194 537701 digits Mar 2013 Ken Micom; PSieve; srsieve; PrimeGrid; LLR
k: 509
max n: 4.618.220
n = 1 4 digits
n = 3 4 digits
n = 9 6 digits
n = 13 7 digits
n = 31 13 digits
n = 33 13 digits
n = 39 15 digits
n = 51 19 digits
n = 105 35 digits
n = 121 40 digits
n = 241 76 digits
n = 369 114 digits
n = 531 163 digits
n = 1459 442 digits
n = 1993 603 digits
n = 2215 670 digits
n = 4261 1286 digits
n = 6049 1824 digits
n = 43261 13026 digits Nov 1999 Thomas J. Engelsma; Proth
n = 88509 26647 digits Mar 2001 Thomas J. Engelsma; Proth
n = 120823 36375 digits Mar 2001 Thomas J. Engelsma; Proth
n = 128091 38562 digits Mar 2001 Thomas J. Engelsma; Proth
n = 196953 59292 digits Nov 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 233445 70277 digits Jan 2005 Pavlos Saridis; Proth
n = 687055 206827 digits Oct 2009 Mike Nicholls; srsieve; PrimeGrid; LLR
n = 702529 211486 digits Jan 2010 Michael Millette; srsieve; PrimeGrid; LLR
n = 703365 211737 digits Feb 2010 Jason Adams; srsieve; PrimeGrid; LLR
n = 903199 271893 digits Dec 2009 Ruediger K. Eckhard; LLR
n = 2144181 645466 digits Apr 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2370721 713661 digits Jul 2016 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
k: 511
max n: 4.627.199
n = 8 6 digits
n = 264 83 digits
n = 1392 422 digits
n = 317328 95528 digits Feb 2005 Yves Minet; Proth
n = 495800 149254 digits Nov 2006 Pavlos Saridis; Proth
n = 1777488 535080 digits Mar 2013 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
k: 513
max n: 4.597.941
n = 2 4 digits
n = 4 4 digits
n = 5 5 digits
n = 6 5 digits
n = 9 6 digits
n = 10 6 digits
n = 12 7 digits
n = 14 7 digits
n = 17 8 digits
n = 22 10 digits
n = 26 11 digits
n = 30 12 digits
n = 33 13 digits
n = 45 17 digits
n = 66 23 digits
n = 110 36 digits
n = 116 38 digits
n = 126 41 digits
n = 153 49 digits
n = 165 53 digits
n = 174 56 digits
n = 220 69 digits
n = 230 72 digits
n = 234 74 digits
n = 294 92 digits
n = 362 112 digits
n = 404 125 digits
n = 1576 478 digits
n = 1625 492 digits
n = 1640 497 digits
n = 2540 768 digits
n = 2936 887 digits
n = 3525 1064 digits
n = 5470 1650 digits
n = 9736 2934 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11004 3316 digits May 1996 Patrick Demichel
n = 11110 3348 digits May 1996 Patrick Demichel
n = 15652 4715 digits Feb 1998 Charles F. Kerchner III; Proth
n = 19965 6013 digits Oct 1996 Patrick Demichel
n = 23244 7000 digits 1996 Patrick Demichel
n = 24341 7331 digits Jul 1998 Tadashi Taura; Proth
n = 48386 14569 digits
n = 52234 15727 digits Oct 2000 Daval Davis; Proth
n = 54021 16265 digits Oct 2000 Daval Davis; Proth
n = 74264 22359 digits Jul 2001 Greg Childers; OpenPFGW
n = 78604 23665 digits Jul 2001 Greg Childers; OpenPFGW
n = 117992 35522 digits Apr 2002 Ruediger K. Eckhard; Proth
n = 136476 41087 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 175370 52795 digits Aug 2002 Ruediger K. Eckhard; Proth
n = 189156 56945 digits Sep 2002 Ruediger K. Eckhard; Proth
n = 193212 58166 digits Sep 2002 Ruediger K. Eckhard; Proth
n = 273482 82329 digits May 2005 Dennis Okon; Proth
n = 279213 84055 digits May 2005 Dennis Okon; Proth
n = 337140 101492 digits Dec 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 369969 111375 digits Jan 2006 Predrag Minovic; FermFact; OpenPFGW; LLR
n = 392925 118285 digits Mar 2006 Marco Crosa; LLR
n = 797084 239949 digits Feb 2011 Jeff Webster; PSieve; srsieve; PrimeGrid; LLR
n = 818964 246536 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 861512 259344 digits May 2011 Victor Wedge; PSieve; srsieve; PrimeGrid; LLR
n = 1820982 548173 digits Sep 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 2135642 642896 digits Apr 2014 Joshua Whiteley; PSieve; srsieve; PrimeGrid; LLR
n = 3092705 931000 digits Feb 2016 Dennis Okon; srsieve; LLR
k: 515
max n: 4.622.276
n = 1 4 digits
n = 5 5 digits
n = 7 5 digits
n = 11 7 digits
n = 17 8 digits
n = 31 13 digits
n = 65 23 digits
n = 77 26 digits
n = 81 28 digits
n = 93 31 digits
n = 127 41 digits
n = 131 43 digits
n = 265 83 digits
n = 401 124 digits
n = 671 205 digits
n = 751 229 digits
n = 815 249 digits
n = 1123 341 digits
n = 1271 386 digits
n = 2003 606 digits
n = 2623 793 digits
n = 2801 846 digits
n = 3477 1050 digits
n = 3573 1079 digits
n = 3677 1110 digits
n = 4697 1417 digits
n = 6801 2051 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9655 2910 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12905 3888 digits
n = 13403 4038 digits Feb 1998 Ray Ballinger; Proth
n = 14505 4370 digits Feb 1998 Ray Ballinger; Proth
n = 25521 7686 digits Jul 1998 Ray Ballinger; Proth
n = 26071 7851 digits Jul 1998 Tadashi Taura; Proth
n = 33781 10172 digits
n = 36227 10909 digits Dec 1998 David Hanson; Proth
n = 41753 12572 digits
n = 42011 12650 digits
n = 46957 14139 digits
n = 57077 17185 digits Nov 2000 Daval Davis; Proth
n = 64451 19405 digits
n = 118345 35629 digits Apr 2002 Ruediger K. Eckhard; Proth
n = 157093 47293 digits Jun 2002 Ruediger K. Eckhard; Proth
n = 235937 71027 digits May 2005 Dennis Okon; Proth
n = 296633 89299 digits Sep 2005 Ruediger K. Eckhard; Proth
n = 451661 135967 digits Aug 2007 Ruediger K. Eckhard; LLR
n = 523017 157447 digits Jun 2008 Steven Harvey; FermFact; OpenPFGW
n = 555895 167344 digits Feb 2009 Patrick W. McKibbon; srsieve; PrimeGrid; LLR
n = 844391 254190 digits Apr 2011 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 903307 271926 digits Jan 2010 Ruediger K. Eckhard; LLR
n = 963097 289924 digits May 2011 Souichi Murata; LLR
n = 1223805 368405 digits Nov 2011 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2484885 748028 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 4021165 1210494 digits Apr 2023 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 517
max n: 4.623.181
n = 2 4 digits
n = 4 4 digits
n = 22 10 digits
n = 40 15 digits
n = 50 18 digits
n = 64 22 digits
n = 148 48 digits
n = 244 77 digits
n = 310 97 digits
n = 466 143 digits
n = 532 163 digits
n = 626 192 digits
n = 1186 360 digits
n = 1754 531 digits
n = 3074 929 digits
n = 3406 1029 digits
n = 5692 1717 digits
n = 6098 1839 digits
n = 7546 2275 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8330 2511 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12274 3698 digits
n = 18232 5492 digits Oct 1996 Patrick Demichel
n = 48242 14526 digits
n = 52622 15844 digits Oct 2000 Daval Davis; Proth
n = 53618 16144 digits Oct 2000 Daval Davis; Proth
n = 62618 18853 digits
n = 72826 21926 digits May 2001 Hans Overmann; Proth
n = 75322 22677 digits May 2001 Hans Overmann; Proth
n = 77102 23213 digits May 2001 Hans Overmann; Proth
n = 431558 129915 digits Nov 2006 Pavlos Saridis; Proth
n = 514430 154862 digits Feb 2008 Ruediger K. Eckhard; LLR
n = 654868 197138 digits Jun 2009 Andreas Adolfsson; srsieve; PrimeGrid; LLR
n = 1117948 336539 digits Sep 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 2648698 797341 digits Sep 2018 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 519
max n: 4.611.989
n = 1 4 digits
n = 3 4 digits
n = 9 6 digits
n = 10 6 digits
n = 11 7 digits
n = 15 8 digits
n = 26 11 digits
n = 38 15 digits
n = 55 20 digits
n = 63 22 digits
n = 70 24 digits
n = 73 25 digits
n = 75 26 digits
n = 129 42 digits
n = 145 47 digits
n = 166 53 digits
n = 186 59 digits
n = 239 75 digits
n = 310 97 digits
n = 311 97 digits
n = 370 115 digits
n = 503 155 digits
n = 585 179 digits
n = 638 195 digits
n = 675 206 digits
n = 879 268 digits
n = 961 293 digits
n = 1103 335 digits
n = 1110 337 digits
n = 1139 346 digits
n = 1150 349 digits
n = 1811 548 digits
n = 2115 640 digits
n = 2921 883 digits
n = 3283 991 digits
n = 3465 1046 digits
n = 4218 1273 digits
n = 4673 1410 digits
n = 5358 1616 digits
n = 5489 1656 digits
n = 9490 2860 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10855 3271 digits
n = 10963 3303 digits
n = 16610 5003 digits May 1997 Steffen Polster; Proth
n = 17223 5188 digits Jul 1996 Patrick Demichel
n = 19790 5961 digits Oct 1996 Patrick Demichel
n = 23258 7005 digits 1996 Patrick Demichel
n = 28391 8550 digits Jul 1998 Tadashi Taura; Proth
n = 29961 9022 digits Jul 1998 Tadashi Taura; Proth
n = 30639 9226 digits
n = 41726 12564 digits
n = 62585 18843 digits
n = 64466 19409 digits
n = 99246 29879 digits Aug 2001 Nils Blix; Proth
n = 178503 53738 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 188699 56807 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 218615 65813 digits Apr 2005 Dennis Okon; Proth
n = 230775 69473 digits Apr 2005 Dennis Okon; Proth
n = 295153 88853 digits May 2005 Dennis Okon; Proth
n = 296969 89400 digits May 2005 Dennis Okon; Proth
n = 302118 90950 digits May 2005 Dennis Okon; Proth
n = 306606 92301 digits May 2005 Dennis Okon; Proth
n = 483915 145676 digits Mar 2008 Ruediger K. Eckhard; LLR
n = 538118 161993 digits Jun 2008 Steven Harvey; FermFact; OpenPFGW
n = 567235 170758 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 598018 180025 digits Mar 2009 James Elliott; srsieve; PrimeGrid; LLR
n = 629945 189636 digits Apr 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 839859 252826 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1035179 311623 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1081499 325567 digits Sep 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1831415 551314 digits Sep 2013 Ron Wijnen; PSieve; srsieve; PrimeGrid; LLR
n = 2108910 634848 digits Apr 2014 Andrew Gockel; PSieve; srsieve; PrimeGrid; LLR
n = 2140311 644301 digits Apr 2014 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 2458058 739952 digits Feb 2017 Tyler Bredl; PSieve; srsieve; PrimeGrid; LLR
n = 2991849 900640 digits Mar 2021 Andreas Reich; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3800625 1144105 digits Oct 2022 Paweł Dec; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4095491 1232869 digits May 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 521
max n: 4.620.596
n = 5 5 digits
n = 11 7 digits
n = 21 10 digits
n = 29 12 digits
n = 39 15 digits
n = 47 17 digits
n = 65 23 digits
n = 71 25 digits
n = 89 30 digits
n = 119 39 digits
n = 869 265 digits
n = 1599 485 digits
n = 2027 613 digits
n = 2781 840 digits
n = 2877 869 digits
n = 5217 1574 digits
n = 5361 1617 digits
n = 5757 1736 digits
n = 5897 1778 digits
n = 12815 3861 digits
n = 30011 9037 digits Jun 1998 Ola Svallmark; Proth
n = 38477 11586 digits
n = 49317 14849 digits
n = 222551 66998 digits Aug 2002 Pavlos Saridis; Proth
n = 312137 93966 digits Sep 2002 Pavlos Saridis; Proth
n = 443237 133431 digits Aug 2006 Pavlos Saridis; Proth
n = 494105 148744 digits Sep 2006 Pavlos Saridis; Proth
n = 808841 243489 digits Feb 2011 Siegfried Niklas; PSieve; srsieve; PrimeGrid; LLR
n = 861731 259410 digits May 2011 Yuma Hayashi; PSieve; srsieve; PrimeGrid; LLR
n = 1608779 484294 digits Dec 2012 Andreas Reich; PSieve; srsieve; PrimeGrid; LLR
n = 1659077 499435 digits Dec 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 2022059 608704 digits Feb 2014 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 2700095 812813 digits Feb 2019 Brendon Gory; PSieve; srsieve; PrimeGrid; LLR
k: 523
max n: 4.622.081
n = 4 4 digits
n = 250 78 digits
n = 300 94 digits
n = 11424 3442 digits
n = 27570 8303 digits Jul 1998 Tadashi Taura; Proth
n = 106920 32189 digits May 2001 Pavlos Saridis; Proth
n = 293904 88477 digits Jul 2002 Pavlos Saridis; Proth
k: 525
max n: 4.609.187
n = 1 4 digits
n = 3 4 digits
n = 6 5 digits
n = 8 6 digits
n = 11 7 digits
n = 13 7 digits
n = 26 11 digits
n = 28 12 digits
n = 35 14 digits
n = 56 20 digits
n = 125 41 digits
n = 170 54 digits
n = 190 60 digits
n = 245 77 digits
n = 315 98 digits
n = 368 114 digits
n = 666 204 digits
n = 1006 306 digits
n = 1148 349 digits
n = 2030 614 digits
n = 2336 706 digits
n = 3058 924 digits
n = 3358 1014 digits
n = 3560 1075 digits
n = 4105 1239 digits
n = 4218 1273 digits
n = 5130 1548 digits
n = 5576 1682 digits
n = 6360 1918 digits
n = 7370 2222 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8161 2460 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8476 2555 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11318 3410 digits May 1996 Patrick Demichel
n = 12848 3871 digits Dec 1997 Henri Lifchitz; Proth
n = 14766 4448 digits Feb 1998 Ray Ballinger; Proth
n = 37148 11186 digits
n = 43453 13084 digits
n = 46186 13907 digits
n = 55690 16768 digits Jan 1998 Henri Lifchitz; Proth
n = 69050 20789 digits Apr 2001 Greg Childers; Proth
n = 91126 27435 digits Apr 2001 Greg Childers; Proth
n = 113560 34188 digits
n = 182776 55024 digits Nov 2002 Pavlos Saridis; Proth
n = 183716 55307 digits Nov 2002 Pavlos Saridis; Proth
n = 523046 157456 digits Jun 2008 Steven Harvey; FermFact; OpenPFGW
n = 540866 162820 digits Feb 2009 Dale Laluk; srsieve; PrimeGrid; LLR
n = 701955 211313 digits Jan 2010 Werner Soika; srsieve; PrimeGrid; LLR
n = 707670 213033 digits Feb 2010 Axel Pfeiffer; srsieve; PrimeGrid; LLR
n = 914283 275230 digits Nov 2009 Ruediger K. Eckhard; LLR
n = 1258688 378906 digits Nov 2011 Michael Martinez; PSieve; srsieve; PrimeGrid; LLR
n = 1668316 502216 digits Dec 2012 Marian Vicena; PSieve; srsieve; PrimeGrid; LLR
n = 1740056 523812 digits Jan 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2180848 656504 digits May 2014 Jozsef Schmidt; PSieve; srsieve; PrimeGrid; LLR
n = 2467658 742842 digits Mar 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2698118 812218 digits Feb 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3263227 982332 digits Jun 2022 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3840963 1156248 digits Dec 2022 Jean Sébastien Delisle; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 527
max n: 4.620.674
n = 3 4 digits
n = 11 7 digits
n = 47 17 digits
n = 71 25 digits
n = 179 57 digits
n = 431 133 digits
n = 8595 2591 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11991 3613 digits
n = 13599 4097 digits Feb 1998 Ray Ballinger; Proth
n = 16715 5035 digits May 1996 Patrick Demichel
n = 19335 5824 digits Oct 1996 Patrick Demichel
n = 22383 6741 digits
n = 23063 6946 digits
n = 24251 7304 digits May 1996 Patrick Demichel
n = 67331 20272 digits Apr 2001 Greg Childers; Proth
n = 76643 23075 digits Apr 2001 Greg Childers; Proth
n = 124919 37608 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 344799 103798 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 450695 135676 digits Aug 2007 Ruediger K. Eckhard; LLR
n = 2045751 615836 digits Feb 2014 Jonathan Bush; PSieve; srsieve; PrimeGrid; LLR
n = 4486247 1350498 digits Jan 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 529
max n: 4.624.333
n = 6 5 digits
n = 14 7 digits
n = 26 11 digits
n = 62 22 digits
n = 66 23 digits
n = 102 34 digits
n = 122 40 digits
n = 126 41 digits
n = 230 72 digits
n = 234 74 digits
n = 246 77 digits
n = 410 127 digits
n = 1554 471 digits
n = 6186 1865 digits
n = 16566 4990 digits Mar 1998 Charles F. Kerchner III; Proth
n = 31410 9459 digits Jul 1998 Tadashi Taura; Proth
n = 133314 40135 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 160602 48349 digits
n = 261462 78711 digits Sep 2005 Dennis Okon; Proth
n = 2470514 743702 digits Mar 2017 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
k: 531
max n: 4.622.400
n = 1 4 digits
n = 5 5 digits
n = 8 6 digits
n = 28 12 digits
n = 41 16 digits
n = 49 18 digits
n = 52 19 digits
n = 53 19 digits
n = 76 26 digits
n = 80 27 digits
n = 124 41 digits
n = 136 44 digits
n = 209 66 digits
n = 329 102 digits
n = 584 179 digits
n = 700 214 digits
n = 944 287 digits
n = 2633 796 digits
n = 3568 1077 digits May 1996 Patrick Demichel
n = 4052 1223 digits
n = 4085 1233 digits
n = 5488 1655 digits
n = 5503 1660 digits
n = 5672 1711 digits
n = 5993 1807 digits
n = 6625 1998 digits
n = 16781 5055 digits May 1996 Patrick Demichel
n = 23536 7088 digits 1996 Patrick Demichel
n = 26995 8130 digits Jul 1998 Tadashi Taura; Proth
n = 28129 8471 digits Jul 1998 Tadashi Taura; Proth
n = 29188 8790 digits Jul 1998 Tadashi Taura; Proth
n = 39245 11817 digits
n = 43780 13182 digits
n = 48548 14618 digits
n = 51544 15520 digits Oct 2000 Daval Davis; Proth
n = 74740 22502 digits Apr 2001 Greg Childers; Proth
n = 78949 23769 digits Apr 2001 Greg Childers; Proth
n = 79961 24074 digits Apr 2001 Greg Childers; Proth
n = 86593 26070 digits Apr 2001 Greg Childers; Proth
n = 98248 29579 digits Apr 2001 Greg Childers; Proth
n = 145129 43691 digits Dec 2002 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 213721 64340 digits Mar 2005 Darren Bedwell; Proth
n = 235273 70827 digits Mar 2005 Darren Bedwell; NewPGen; LLR
n = 244952 73741 digits Mar 2005 Darren Bedwell; Proth
n = 279188 84047 digits Apr 2005 Darren Bedwell; NewPGen; LLR
n = 285341 85899 digits Apr 2005 Darren Bedwell; NewPGen; LLR
n = 285421 85924 digits Apr 2005 Darren Bedwell; NewPGen; LLR
n = 311500 93774 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 320981 96628 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 345145 103902 digits Feb 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 373000 112287 digits May 2006 Dennis Okon; Proth
n = 755972 227573 digits Feb 2010 Joerg Steinmetz; srsieve; PrimeGrid; LLR
n = 807349 243039 digits Feb 2011 Lukas Hron; PSieve; srsieve; PrimeGrid; LLR
n = 1128640 339758 digits Nov 2011 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1233440 371306 digits Nov 2011 Anton Barbyshev; PSieve; srsieve; PrimeGrid; LLR
n = 1637465 492929 digits Dec 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1761689 530324 digits Mar 2013 Dongyan Jia; PSieve; srsieve; PrimeGrid; LLR
n = 3284944 988870 digits Jul 2022 Gregory Bennett; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3301693 993912 digits Jul 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3918985 1179735 digits Feb 2023 Christian Wallbaum; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 533
max n: 4.620.656
n = 13 7 digits
n = 29 12 digits
n = 229 72 digits
n = 237 75 digits
n = 1245 378 digits
n = 1349 409 digits
n = 1357 412 digits
n = 1513 459 digits
n = 2049 620 digits
n = 2153 651 digits
n = 4069 1228 digits
n = 19465 5863 digits Oct 1996 Patrick Demichel
n = 21229 6394 digits
n = 54965 16549 digits Oct 2000 Daval Davis; Proth
n = 83077 25012 digits Apr 2001 Greg Childers; Proth
n = 120997 36427 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 201797 60750 digits Mar 2005 Darren Bedwell; Proth
n = 302349 91019 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1462557 440277 digits Jan 2012 Fred Richard; PSieve; srsieve; PrimeGrid; LLR
n = 1499097 451276 digits Feb 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1660425 499841 digits Dec 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 3362857 1012324 digits Feb 2017 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 4338237 1305943 digits Oct 2023 Krzysztof Ostaszewski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 535
max n: 4.618.249
n = 2 4 digits
n = 26 11 digits
n = 90 30 digits
n = 210 66 digits
n = 242 76 digits
n = 260 81 digits
n = 606 186 digits
n = 1626 493 digits
n = 2234 676 digits
n = 2526 764 digits
n = 3134 947 digits
n = 4754 1434 digits
n = 7154 2157 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11610 3498 digits
n = 28350 8537 digits Jul 1998 Tadashi Taura; Proth
n = 36974 11134 digits
n = 47414 14276 digits
n = 149690 45064 digits Oct 2002 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 186972 56287 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 326442 98272 digits Oct 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 430370 129558 digits Oct 2007 Ruediger K. Eckhard; LLR
n = 873944 263087 digits May 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 4517274 1359838 digits Apr 2026 Gregory Coscia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 537
max n: 4.620.285
n = 3 4 digits
n = 6 5 digits
n = 7 5 digits
n = 18 9 digits
n = 24 10 digits
n = 30 12 digits
n = 34 13 digits
n = 82 28 digits
n = 102 34 digits
n = 106 35 digits
n = 142 46 digits
n = 178 57 digits
n = 250 78 digits
n = 406 125 digits
n = 534 164 digits
n = 907 276 digits
n = 1071 326 digits
n = 1182 359 digits
n = 1476 448 digits
n = 1542 467 digits
n = 2083 630 digits
n = 2232 675 digits
n = 4798 1448 digits
n = 5011 1512 digits
n = 8323 2509 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9715 2928 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9852 2969 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14643 4411 digits Feb 1998 Ray Ballinger; Proth
n = 16315 4915 digits Feb 1998 Charles F. Kerchner III; Proth
n = 22003 6627 digits 1996 Patrick Demichel
n = 23286 7013 digits
n = 24946 7513 digits Jul 1998 Tadashi Taura; Proth
n = 89146 26839 digits May 2001 Greg Childers; Proth
n = 131746 39663 digits May 2001 Greg Childers; Proth
n = 134062 40360 digits May 2001 Greg Childers; Proth
n = 186714 56210 digits Dec 2004 Mark Rodenkirch; NewPGen; OpenPFGW
n = 190404 57321 digits Oct 2002 L. Vincent Edmondson; Curtis Cooper; Proth
n = 191022 57507 digits Nov 2002 L. Vincent Edmondson; Curtis Cooper; Proth
n = 283086 85221 digits Sep 2005 Dennis Okon; Proth
n = 350802 105605 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 610990 183930 digits Mar 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 666454 200626 digits Aug 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 750490 225923 digits Feb 2010 Robert Glinka; srsieve; PrimeGrid; LLR
n = 762171 229440 digits Feb 2010 Daniel Hagerty; srsieve; PrimeGrid; LLR
n = 872958 262790 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 997366 300240 digits Jun 2011 Anthony Storch; PSieve; srsieve; PrimeGrid; LLR
n = 1201791 361778 digits Nov 2011 Jeffrey Maruska; PSieve; srsieve; PrimeGrid; LLR
n = 1421571 427939 digits Jan 2012 Jack Clark; PSieve; srsieve; PrimeGrid; LLR
n = 2044162 615357 digits Feb 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2304115 693611 digits Mar 2016 Billy Cain; PSieve; srsieve; PrimeGrid; LLR
n = 2755164 829390 digits Jul 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3853860 1160131 digits Dec 2022 Galih Santosa; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 539
max n: 4.619.840
n = 7 5 digits
n = 9 6 digits
n = 11 7 digits
n = 33 13 digits
n = 35 14 digits
n = 53 19 digits
n = 55 20 digits
n = 65 23 digits
n = 151 49 digits
n = 159 51 digits
n = 167 54 digits
n = 197 63 digits
n = 233 73 digits
n = 251 79 digits
n = 293 91 digits
n = 461 142 digits
n = 545 167 digits
n = 1403 426 digits
n = 1755 532 digits
n = 1877 568 digits
n = 2255 682 digits
n = 4709 1421 digits
n = 8297 2501 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8959 2700 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11731 3535 digits
n = 12597 3795 digits
n = 14203 4279 digits Feb 1998 Ray Ballinger; Proth
n = 26739 8052 digits Jul 1998 Tadashi Taura; Proth
n = 29227 8801 digits Jul 1998 Tadashi Taura; Proth
n = 31727 9554 digits Jul 1998 Tadashi Taura; Proth
n = 31979 9630 digits Jul 1998 Tadashi Taura; Proth
n = 46027 13859 digits
n = 68811 20717 digits May 2001 Greg Childers; Proth
n = 82349 24793 digits May 2001 Greg Childers; Proth
n = 86983 26188 digits May 2001 Greg Childers; Proth
n = 176069 53005 digits
n = 207751 62543 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 208571 62789 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 256131 77106 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 356083 107195 digits Apr 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 359673 108276 digits Dec 2006 Joseph Bohanon; LLR; OpenPFGW
n = 621357 187050 digits Apr 2009 Kevin Tatterson; srsieve; PrimeGrid; LLR
n = 712665 214537 digits Feb 2010 Rory Smith; srsieve; PrimeGrid; LLR
n = 1028727 309681 digits Sep 2011 Michal Beranek; PSieve; srsieve; PrimeGrid; LLR
n = 1350581 406569 digits Jan 2012 Jan Fiedler; PSieve; srsieve; PrimeGrid; LLR
n = 1545909 465368 digits Nov 2012 Mariusz Mierzejowski; PSieve; srsieve; PrimeGrid; LLR
n = 1632705 491496 digits Dec 2012 Melody Reifschneider; PSieve; srsieve; PrimeGrid; LLR
n = 1949135 586751 digits Oct 2013 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 2102167 632819 digits Mar 2014 Matej Rizman; PSieve; srsieve; PrimeGrid; LLR
n = 2398227 721941 digits Aug 2016 Matt Lee; PSieve; srsieve; PrimeGrid; LLR
n = 2664603 802129 digits Oct 2018 James Wypych; PSieve; srsieve; PrimeGrid; LLR
n = 3801705 1144430 digits Oct 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3894953 1172501 digits Feb 2023 Nick Merrylees; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 541
max n: 4.623.767
n = 8 6 digits
n = 16 8 digits
n = 36 14 digits
n = 56 20 digits
n = 120 39 digits
n = 272 85 digits
n = 328 102 digits
n = 560 172 digits
n = 900 274 digits
n = 1160 352 digits
n = 1552 470 digits
n = 1608 487 digits
n = 8320 2508 digits 1993 Harvey Dubner; Dubner Cruncher
n = 42260 12725 digits
n = 79696 23994 digits Jun 2001 Greg Childers; Proth
n = 79796 24024 digits Jun 2001 Greg Childers; Proth
n = 107832 32464 digits Nov 2001 Anton Oleynick; Proth
n = 273916 82460 digits Oct 2005 Dennis Okon; Proth
n = 319132 96072 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 454960 136960 digits Sep 2007 Ruediger K. Eckhard; LLR
n = 1130876 340431 digits Oct 2011 Karl Pohorily; PSieve; srsieve; PrimeGrid; LLR
n = 2614676 787099 digits Aug 2018 Pete Allivato; PSieve; srsieve; PrimeGrid; LLR
k: 543
max n: 4.622.420
n = 1 4 digits
n = 4 4 digits
n = 5 5 digits
n = 9 6 digits
n = 18 9 digits
n = 21 10 digits
n = 26 11 digits
n = 29 12 digits
n = 36 14 digits
n = 41 16 digits
n = 45 17 digits
n = 46 17 digits
n = 65 23 digits
n = 85 29 digits
n = 125 41 digits
n = 181 58 digits
n = 460 142 digits
n = 481 148 digits
n = 689 211 digits
n = 1605 486 digits
n = 2137 647 digits
n = 2212 669 digits
n = 2406 728 digits
n = 3364 1016 digits
n = 3676 1110 digits
n = 4129 1246 digits
n = 4458 1345 digits
n = 6460 1948 digits
n = 7638 2303 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7814 2355 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8581 2586 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10321 3110 digits
n = 11746 3539 digits
n = 18037 5433 digits Oct 1996 Patrick Demichel
n = 20461 6163 digits Oct 1996 Patrick Demichel
n = 30606 9217 digits
n = 32466 9776 digits
n = 49886 15020 digits
n = 55789 16797 digits Oct 2000 Daval Davis; Proth
n = 61634 18557 digits
n = 97985 29500 digits Aug 2001 Greg Childers; OpenPFGW
n = 100165 30156 digits Nov 2001 Anton Oleynick; Proth
n = 129214 38901 digits Jun 1999 Lars A Carlen; Proth
n = 132510 39893 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 181565 54660 digits Dec 2003 Ruediger K. Eckhard; Proth
n = 196185 59061 digits Apr 2004 Ruediger K. Eckhard; Proth
n = 196204 59067 digits Apr 2004 Ruediger K. Eckhard; Proth
n = 238252 71724 digits Jun 2005 Jay Berg; Proth
n = 291950 87889 digits Oct 2005 Dennis Okon; Proth
n = 327396 98559 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 350089 105391 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 359917 108349 digits Dec 2006 Joseph Bohanon; LLR; OpenPFGW
n = 400370 120527 digits Dec 2005 Ruediger K. Eckhard; LLR
n = 400981 120711 digits Dec 2005 Ruediger K. Eckhard; LLR
n = 540826 162808 digits Mar 2009 Mark Codding; srsieve; PrimeGrid; LLR
n = 684986 206205 digits Oct 2009 Michael Mattiszik; srsieve; PrimeGrid; LLR
n = 751477 226220 digits Feb 2010 Michael Moeller; srsieve; PrimeGrid; LLR
n = 815377 245456 digits Feb 2011 Eric R Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 986194 296877 digits Jun 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 2608129 785128 digits Aug 2018 Georgios Magklaras; PSieve; srsieve; PrimeGrid; LLR
n = 2828217 851381 digits Dec 2019 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
n = 3351686 1008961 digits Jan 2017 Simon Rawles; PSieve; srsieve; PrimeGrid; LLR
n = 3438810 1035188 digits Oct 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 545
max n: 4.621.002
n = 1 4 digits
n = 7 5 digits
n = 13 7 digits
n = 17 8 digits
n = 31 13 digits
n = 35 14 digits
n = 67 23 digits
n = 73 25 digits
n = 109 36 digits
n = 221 70 digits
n = 293 91 digits
n = 325 101 digits
n = 341 106 digits
n = 395 122 digits
n = 397 123 digits
n = 439 135 digits
n = 541 166 digits
n = 583 179 digits
n = 1727 523 digits
n = 2003 606 digits
n = 2195 664 digits
n = 2233 675 digits
n = 2563 775 digits
n = 2591 783 digits
n = 2615 790 digits
n = 2945 890 digits
n = 3433 1037 digits
n = 3629 1096 digits
n = 3961 1196 digits
n = 9157 2760 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10543 3177 digits
n = 11965 3605 digits
n = 25535 7690 digits Jul 1998 Ray Ballinger; Proth
n = 26455 7967 digits Jul 1998 Tadashi Taura; Proth
n = 40675 12248 digits
n = 51313 15450 digits Oct 2000 Daval Davis; Proth
n = 76247 22956 digits
n = 116411 35046 digits Jan 2003 Ruediger K. Eckhard; Proth
n = 129355 38943 digits Dec 1999 Lars A Carlen; Proth
n = 175793 52922 digits Apr 2003 Ruediger K. Eckhard; Proth
n = 266603 80259 digits Oct 2005 Dennis Okon; Proth
n = 346843 104413 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 950609 286165 digits Jun 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 982037 295626 digits Jun 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1185295 356813 digits Oct 2011 Giles Averay-Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1200769 361471 digits Nov 2011 Thomas Schmidt; PSieve; srsieve; PrimeGrid; LLR
n = 1719517 517629 digits Jan 2013 Takeshi Nakamura; PSieve; srsieve; PrimeGrid; LLR
n = 1735043 522303 digits Jan 2013 Robert Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 2528179 761061 digits Oct 2017 Jonathan Champ; PSieve; srsieve; PrimeGrid; LLR
n = 4198333 1263827 digits Jul 2023 Michael Bowe; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 547
max n: 4.623.069
n = 4 4 digits
n = 24 10 digits
n = 36 14 digits
n = 74 26 digits
n = 76 26 digits
n = 104 35 digits
n = 228 72 digits
n = 764 233 digits
n = 1148 349 digits
n = 1740 527 digits
n = 5798 1749 digits
n = 6218 1875 digits
n = 6500 1960 digits
n = 7330 2210 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7668 2312 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7736 2332 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9728 2932 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12334 3716 digits
n = 18228 5490 digits Oct 1996 Patrick Demichel
n = 31020 9341 digits Jul 1998 Tadashi Taura; Proth
n = 35264 10619 digits
n = 45670 13751 digits
n = 47304 14243 digits
n = 112918 33995 digits Dec 2002 Ruediger K. Eckhard; Proth
n = 288540 86862 digits Nov 2005 Ruediger K. Eckhard; LLR
n = 1118868 336816 digits Sep 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 1723020 518684 digits Jan 2013 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1731248 521161 digits Jan 2013 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 1990606 599235 digits Oct 2013 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 2216110 667119 digits Mar 2015 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2276648 685343 digits May 2015 Konstantin Stanko; PSieve; srsieve; PrimeGrid; LLR
n = 4511988 1358247 digits Apr 2026 Michael Wang; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 549
max n: 4.623.077
n = 5 5 digits
n = 11 7 digits
n = 21 10 digits
n = 42 16 digits
n = 65 23 digits
n = 155 50 digits
n = 231 73 digits
n = 273 85 digits
n = 275 86 digits
n = 285 89 digits
n = 1437 436 digits
n = 3705 1119 digits
n = 7722 2328 digits 1993 Harvey Dubner; Dubner Cruncher
n = 21173 6377 digits Oct 1996 Patrick Demichel
n = 126879 38198 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 243209 73216 digits Jun 2005 Jay Berg; Proth
n = 279417 84116 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 290511 87456 digits Jan 2006 Steven Harvey; FermFact; OpenPFGW
n = 471189 141845 digits Jul 2008 Ruediger K. Eckhard; LLR
n = 529887 159515 digits Jun 2008 Steven Harvey; FermFact; OpenPFGW
n = 603675 181728 digits Mar 2009 Josef Mikula; srsieve; PrimeGrid; LLR
n = 1033187 311024 digits Sep 2011 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1832457 551628 digits Sep 2013 Greg Adams; PSieve; srsieve; PrimeGrid; LLR
n = 1971183 593388 digits Oct 2013 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
n = 2450523 737684 digits Feb 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 4411029 1327855 digits Dec 2023 Michael Oppliger; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 551
max n: 4.622.850
n = 1 4 digits
n = 3 4 digits
n = 7 5 digits
n = 13 7 digits
n = 19 9 digits
n = 469 144 digits
n = 631 193 digits
n = 1291 392 digits
n = 3111 940 digits
n = 3241 979 digits
n = 27879 8396 digits Jun 1998 David Hanson; Proth
n = 58743 17687 digits Oct 2000 Daval Davis; Proth
n = 97861 29462 digits
n = 230403 69361 digits Jun 2005 Jay Berg; Proth
n = 1132501 340920 digits Oct 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 4126303 1242144 digits Jun 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 553
max n: 4.622.627
n = 2 4 digits
n = 4 4 digits
n = 6 5 digits
n = 10 6 digits
n = 22 10 digits
n = 24 10 digits
n = 30 12 digits
n = 42 16 digits
n = 46 17 digits
n = 50 18 digits
n = 56 20 digits
n = 60 21 digits
n = 64 23 digits
n = 84 29 digits
n = 182 58 digits
n = 190 60 digits
n = 202 64 digits
n = 204 65 digits
n = 214 68 digits
n = 256 80 digits
n = 322 100 digits
n = 382 118 digits
n = 384 119 digits
n = 402 124 digits
n = 768 234 digits
n = 1100 334 digits
n = 2236 676 digits
n = 3424 1034 digits
n = 3470 1048 digits
n = 3514 1061 digits
n = 4170 1259 digits
n = 4398 1327 digits
n = 4712 1422 digits
n = 5196 1567 digits
n = 5708 1722 digits
n = 6944 2094 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7146 2154 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8182 2466 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8370 2523 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11648 3510 digits
n = 11792 3553 digits
n = 13090 3944 digits
n = 14844 4472 digits Feb 1998 Ray Ballinger; Proth
n = 15206 4581 digits Feb 1998 Charles F. Kerchner III; Proth
n = 24216 7293 digits Jul 1998 Tadashi Taura; Proth
n = 25518 7685 digits Jul 1998 Tadashi Taura; Proth
n = 28494 8581 digits Jul 1998 Tadashi Taura; Proth
n = 32556 9804 digits
n = 38722 11660 digits
n = 43068 12968 digits
n = 56362 16970 digits Oct 2000 Daval Davis; Proth
n = 56804 17103 digits Oct 2000 Daval Davis; Proth
n = 58080 17487 digits Oct 2000 Daval Davis; Proth
n = 68712 20688 digits Apr 2001 Pavlos Saridis; Proth
n = 69870 21036 digits
n = 112944 34003 digits
n = 164944 49656 digits Mar 2003 Ruediger K. Eckhard; Proth
n = 172118 51816 digits Apr 2003 Ruediger K. Eckhard; Proth
n = 202064 60831 digits Feb 2004 Ruediger K. Eckhard; Proth
n = 287146 86443 digits Nov 2005 Ruediger K. Eckhard; Proth
n = 292460 88042 digits Jan 2006 Steven Harvey; FermFact; OpenPFGW
n = 370040 111396 digits Dec 2006 Joseph Bohanon; LLR; OpenPFGW
n = 371716 111901 digits Dec 2006 Joseph Bohanon; LLR; OpenPFGW
n = 404754 121846 digits Jan 2006 Ruediger K. Eckhard; LLR
n = 574760 173023 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 681652 205201 digits Oct 2009 Joerg Steinmetz; srsieve; PrimeGrid; LLR
n = 686506 206662 digits Oct 2009 Andreas Kobara; srsieve; PrimeGrid; LLR
n = 737048 221877 digits Feb 2010 Alan Munton; srsieve; PrimeGrid; LLR
n = 852760 256710 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 907328 273136 digits Dec 2009 Ruediger K. Eckhard; LLR
n = 1058992 318792 digits Sep 2011 Ricardo Almeida; PSieve; srsieve; PrimeGrid; LLR
n = 1216046 366070 digits Nov 2011 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1344056 404604 digits Jan 2012 Jun Ying; PSieve; srsieve; PrimeGrid; LLR
n = 1577344 474831 digits Nov 2012 Konstantin Stanko; PSieve; srsieve; PrimeGrid; LLR
n = 1902102 572593 digits Oct 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2815596 847582 digits Oct 2019 KaiMing Poon; PSieve; srsieve; PrimeGrid; LLR
n = 3066838 923213 digits Jul 2021 Giovanni Valentino; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3094072 931412 digits Sep 2021 Adrian Schori; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3532758 1063469 digits Jul 2018 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 555
max n: 4.619.854
n = 2 4 digits
n = 3 4 digits
n = 5 5 digits
n = 6 5 digits
n = 9 6 digits
n = 14 7 digits
n = 16 8 digits
n = 17 8 digits
n = 18 9 digits
n = 20 9 digits
n = 27 11 digits
n = 33 13 digits
n = 44 16 digits
n = 48 18 digits
n = 52 19 digits
n = 60 21 digits
n = 62 22 digits
n = 65 23 digits
n = 73 25 digits
n = 84 29 digits
n = 99 33 digits
n = 112 37 digits
n = 132 43 digits
n = 184 59 digits
n = 189 60 digits
n = 217 69 digits
n = 282 88 digits
n = 360 112 digits
n = 365 113 digits
n = 412 127 digits
n = 444 137 digits
n = 553 170 digits
n = 588 180 digits
n = 739 226 digits
n = 756 231 digits
n = 1084 330 digits
n = 1184 360 digits
n = 1686 511 digits
n = 1850 560 digits
n = 2512 759 digits
n = 2678 809 digits
n = 5740 1731 digits
n = 6856 2067 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8306 2504 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8810 2655 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11064 3334 digits May 1996 Patrick Demichel
n = 12110 3649 digits
n = 12882 3881 digits
n = 12978 3910 digits
n = 14088 4244 digits Feb 1998 Ray Ballinger; Proth
n = 16609 5003 digits May 1997 Steffen Polster; Proth
n = 16777 5054 digits May 1996 Patrick Demichel
n = 18447 5556 digits Oct 1996 Patrick Demichel
n = 18977 5716 digits Oct 1996 Patrick Demichel
n = 20042 6036 digits Oct 1996 Patrick Demichel
n = 23114 6961 digits 1996 Patrick Demichel
n = 25627 7718 digits Jul 1998 Tadashi Taura; Proth
n = 27338 8233 digits Jul 1998 Tadashi Taura; Proth
n = 32840 9889 digits Jul 1998 David Hanson; Proth
n = 33835 10189 digits
n = 36085 10866 digits Sep 1998 Tadashi Taura; Proth
n = 36602 11022 digits
n = 78475 23627 digits Nov 2000 Bruce Ziemienski; Proth
n = 82783 24923 digits Dec 2000 Bruce Ziemienski; Proth
n = 82819 24934 digits Dec 2000 Bruce Ziemienski; Proth
n = 98008 29507 digits Feb 2001 Bruce Ziemienski; Proth
n = 108354 32621 digits Dec 2001 Anton Oleynick; Proth
n = 116258 35000 digits Feb 2001 Bruce Ziemienski; Proth
n = 125608 37815 digits Mar 2001 Bruce Ziemienski; Proth
n = 134406 40463 digits Mar 2001 Bruce Ziemienski; Proth
n = 139535 42007 digits Apr 2001 Bruce Ziemienski; Proth
n = 151277 45542 digits Mar 2001 Bruce Ziemienski; Proth
n = 202098 60841 digits Aug 2001 Bruce Ziemienski; Proth
n = 210377 63333 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 266006 80079 digits Nov 2005 Ruediger K. Eckhard; Proth
n = 288845 86954 digits Nov 2005 Ruediger K. Eckhard; LLR
n = 316039 95140 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 343854 103514 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 356267 107250 digits Apr 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 414830 124880 digits Mar 2006 Ruediger K. Eckhard; LLR
n = 461262 138857 digits Jun 2008 Hans Overmann; Proth
n = 591776 178146 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 660664 198883 digits Jul 2009 Simon Yakovlev; srsieve; PrimeGrid; LLR
n = 750460 225914 digits Feb 2010 Kai Strang; srsieve; PrimeGrid; LLR
n = 1111663 334647 digits Sep 2011 Chen Hsun Chang; PSieve; srsieve; PrimeGrid; LLR
n = 1174603 353594 digits Oct 2011 Ulrich Hartel; PSieve; srsieve; PrimeGrid; LLR
n = 1257047 378412 digits Nov 2011 Ricardo Almeida; PSieve; srsieve; PrimeGrid; LLR
n = 1363577 410481 digits Jan 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1422674 428271 digits Jan 2012 Mark Stahl; PSieve; srsieve; PrimeGrid; LLR
n = 1593788 479781 digits Nov 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1597517 480904 digits Nov 2012 Toshiya Satoh; PSieve; srsieve; PrimeGrid; LLR
n = 1629059 490399 digits Dec 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1679952 505719 digits Dec 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1813556 545938 digits Sep 2013 Charles E. Nadeau; PSieve; srsieve; PrimeGrid; LLR
n = 1937595 583277 digits Oct 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 3016352 908016 digits May 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3078792 926812 digits Aug 2021 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3325925 1001206 digits Oct 2016 Alexander Falk; PSieve; srsieve; PrimeGrid; LLR
n = 3393389 1021515 digits May 2017 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 3502765 1054441 digits Mar 2018 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3563328 1072672 digits Oct 2018 Andrew Jones; PSieve; srsieve; PrimeGrid; LLR
n = 3916875 1179100 digits Feb 2023 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 557
max n: 4.617.578
n = 3 4 digits
n = 39 15 digits
n = 63 22 digits
n = 451 139 digits
n = 1011 308 digits
n = 7599 2291 digits 1993 Harvey Dubner; Dubner Cruncher
n = 1819191 547634 digits Sep 2013 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
k: 559
max n: 4.618.821
n = 2 4 digits
n = 10 6 digits
n = 22 10 digits
n = 70 24 digits
n = 74 26 digits
n = 202 64 digits
n = 226 71 digits
n = 314 98 digits
n = 338 105 digits
n = 382 118 digits
n = 506 156 digits
n = 530 163 digits
n = 710 217 digits
n = 1154 351 digits
n = 1862 564 digits
n = 3026 914 digits
n = 3034 917 digits
n = 7798 2351 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9326 2811 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11366 3425 digits
n = 19810 5967 digits Oct 1996 Patrick Demichel
n = 21962 6614 digits
n = 155726 46881 digits Sep 2001 Göran Axelsson; Proth
n = 215774 64958 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 275470 82928 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 383746 115522 digits Jan 2007 Joseph Bohanon; LLR; OpenPFGW
n = 624122 187883 digits May 2009 Michael Spall; srsieve; PrimeGrid; LLR
n = 868190 261354 digits May 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 920830 277201 digits Aug 2010 Ruediger K. Eckhard; LLR
n = 1062454 319834 digits Sep 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 1677446 504965 digits Dec 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 2163382 651246 digits Apr 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2351894 707994 digits Jun 2016 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
k: 561
max n: 4.620.118
n = 1 4 digits
n = 7 5 digits
n = 8 6 digits
n = 9 6 digits
n = 12 7 digits
n = 13 7 digits
n = 15 8 digits
n = 16 8 digits
n = 39 15 digits
n = 40 15 digits
n = 44 16 digits
n = 49 18 digits
n = 51 19 digits
n = 67 23 digits
n = 72 25 digits
n = 81 28 digits
n = 93 31 digits
n = 105 35 digits
n = 108 36 digits
n = 117 38 digits
n = 124 41 digits
n = 195 62 digits
n = 235 74 digits
n = 248 78 digits
n = 275 86 digits
n = 277 87 digits
n = 324 101 digits
n = 443 137 digits
n = 472 145 digits
n = 484 149 digits
n = 588 180 digits
n = 589 181 digits
n = 815 249 digits
n = 1415 429 digits
n = 1527 463 digits
n = 2023 612 digits
n = 2128 644 digits
n = 2395 724 digits
n = 2401 726 digits
n = 2780 840 digits
n = 2815 851 digits
n = 3192 964 digits
n = 3328 1005 digits
n = 3421 1033 digits
n = 3423 1034 digits
n = 3904 1178 digits
n = 3927 1185 digits Jun 1998 Henri Lifchitz; Samuli Larvala
n = 4011 1211 digits
n = 4319 1303 digits
n = 7688 2318 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7879 2375 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10113 3048 digits
n = 14799 4458 digits Feb 1998 Ray Ballinger; Proth
n = 15515 4674 digits Feb 1998 Charles F. Kerchner III; Proth
n = 18156 5469 digits Oct 1996 Patrick Demichel
n = 21745 6549 digits Oct 1996 Patrick Demichel
n = 21901 6596 digits Oct 1996 Patrick Demichel
n = 26792 8068 digits Jul 1998 Tadashi Taura; Proth
n = 29519 8889 digits Jul 1998 Tadashi Taura; Proth
n = 41689 12553 digits
n = 43792 13186 digits
n = 51013 15360 digits
n = 68411 20597 digits Nov 2000 Jukka Santala; Proth
n = 95793 28840 digits Jan 2001 Jukka Santala; Proth
n = 100160 30154 digits Dec 2001 Anton Oleynick; Proth
n = 132679 39944 digits Apr 2001 Jukka Santala; Proth
n = 194136 58444 digits Feb 2002 Jukka Santala; Proth
n = 298156 89757 digits Jan 2006 Steven Harvey; FermFact; OpenPFGW
n = 373080 112312 digits Jan 2007 Joseph Bohanon; LLR; OpenPFGW
n = 516347 155439 digits May 2008 Ruediger K. Eckhard; LLR
n = 654972 197169 digits May 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 664923 200165 digits Aug 2009 Andreas Kobara; srsieve; PrimeGrid; LLR
n = 739547 222629 digits Feb 2010 Dave Sunderland; srsieve; PrimeGrid; LLR
n = 783417 235835 digits Mar 2010 Robert M Weis; srsieve; PrimeGrid; LLR
n = 837235 252036 digits Apr 2011 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 896763 269956 digits May 2011 Konstantin Manz; PSieve; srsieve; PrimeGrid; LLR
n = 994052 299243 digits Jun 2011 Haisong Zou; PSieve; srsieve; PrimeGrid; LLR
n = 1423021 428375 digits Jan 2012 Christian Schäfer; PSieve; srsieve; PrimeGrid; LLR
n = 1697783 511087 digits Dec 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 2256600 679308 digits Apr 2015 Javi Jarne; PSieve; srsieve; PrimeGrid; LLR
n = 2964753 892483 digits Feb 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2994132 901327 digits Mar 2021 Toshiya Satoh; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3281889 987950 digits Jul 2022 Frank Meador; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4595457 1383374 digits Jun 2026 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 563
max n: 4.619.180
n = 9 6 digits
n = 41 16 digits
n = 53 19 digits
n = 57 20 digits
n = 185 59 digits
n = 417 129 digits
n = 549 169 digits
n = 609 187 digits
n = 3261 985 digits
n = 9953 2999 digits 1993 Harvey Dubner; Dubner Cruncher
n = 44465 13389 digits Oct 1999 Steven Harvey; Proth
n = 91013 27401 digits Nov 1999 Steven Harvey; Proth
n = 310901 93594 digits May 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 3819237 1149708 digits Nov 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 565
max n: 4.620.483
n = 4 4 digits
n = 6 5 digits
n = 12 7 digits
n = 22 10 digits
n = 28 12 digits
n = 48 18 digits
n = 168 54 digits
n = 204 65 digits
n = 256 80 digits
n = 294 92 digits
n = 372 115 digits
n = 424 131 digits
n = 556 171 digits
n = 990 301 digits
n = 2392 723 digits
n = 3550 1072 digits
n = 4198 1267 digits
n = 7452 2247 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7948 2396 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10630 3203 digits
n = 11094 3343 digits May 1996 Patrick Demichel
n = 35380 10654 digits
n = 37632 11332 digits
n = 117240 35296 digits Aug 2001 Göran Axelsson; Proth
n = 149020 44863 digits Sep 2001 Göran Axelsson; Proth
n = 193900 58373 digits Oct 2004 Ruediger K. Eckhard; Proth
n = 235726 70964 digits Jun 2005 Jay Berg; Proth
n = 329140 99084 digits May 2006 Ruediger K. Eckhard; LLR
n = 364806 109821 digits Jan 2007 Joseph Bohanon; LLR; OpenPFGW
n = 899740 270852 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1462336 440210 digits Jan 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 1787136 537985 digits Mar 2013 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 2308984 695077 digits Mar 2016 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
k: 567
max n: 4.619.441
n = 2 4 digits
n = 7 5 digits
n = 11 7 digits
n = 24 10 digits
n = 34 13 digits
n = 64 23 digits
n = 78 27 digits
n = 120 39 digits
n = 138 45 digits
n = 191 61 digits
n = 220 69 digits
n = 299 93 digits
n = 372 115 digits
n = 378 117 digits
n = 450 139 digits
n = 478 147 digits
n = 582 178 digits
n = 680 208 digits
n = 974 296 digits
n = 1004 305 digits
n = 1183 359 digits
n = 1728 523 digits
n = 4367 1318 digits
n = 6042 1822 digits
n = 6407 1932 digits
n = 7392 2228 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8371 2523 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10064 3033 digits
n = 17479 5265 digits Jul 1996 Patrick Demichel
n = 22078 6649 digits 1996 Patrick Demichel
n = 22579 6800 digits 1996 Patrick Demichel
n = 23023 6934 digits 1996 Patrick Demichel
n = 23630 7117 digits
n = 26318 7926 digits Jul 1998 Tadashi Taura; Proth
n = 31339 9437 digits Jul 1998 Tadashi Taura; Proth
n = 32082 9661 digits Feb 1999 Iago L Camboa; Proth
n = 85700 25802 digits Jul 2001 Greg Childers; OpenPFGW
n = 96527 29061 digits Aug 2001 Göran Axelsson; Proth
n = 221059 66549 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 286027 86106 digits Nov 2005 Ruediger K. Eckhard; Proth
n = 313327 94324 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 403432 121448 digits Jan 2006 Ruediger K. Eckhard; LLR
n = 524044 157756 digits Jun 2008 Steven Harvey; FermFact; OpenPFGW
n = 643700 193776 digits May 2009 James Wesley Reed; srsieve; PrimeGrid; LLR
n = 848228 255345 digits Apr 2011 Dmitriy Kodochigov; PSieve; srsieve; PrimeGrid; LLR
n = 1169602 352089 digits Nov 2011 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 1676783 504765 digits Dec 2012 Gary Craig; PSieve; srsieve; PrimeGrid; LLR
n = 2910402 876122 digits Dec 2020 Wayne K Ford; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3639287 1095538 digits Jul 2019 Phil Deakin; PSieve; srsieve; PrimeGrid; LLR
n = 3897588 1173294 digits Feb 2023 Ruben Steinberg; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4001998 1204725 digits Dec 2025 Sascha Beat Dinkel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 569
max n: 4.617.234
n = 15 8 digits
n = 27 11 digits
n = 39 15 digits
n = 43 16 digits
n = 51 19 digits
n = 85 29 digits
n = 111 37 digits
n = 151 49 digits
n = 275 86 digits
n = 831 253 digits
n = 903 275 digits
n = 919 280 digits
n = 1391 422 digits
n = 1499 454 digits
n = 2535 766 digits
n = 3043 919 digits
n = 3205 968 digits
n = 5285 1594 digits
n = 6125 1847 digits
n = 38023 11449 digits Oct 2000 Jukka Santala; Proth
n = 61203 18427 digits
n = 71099 21406 digits Jul 2001 Ruediger K. Eckhard; Proth
n = 87119 26229 digits Jul 2001 Greg Childers; OpenPFGW
n = 188655 56794 digits Jun 2003 Ruediger K. Eckhard; Proth
n = 270519 81438 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 375307 112982 digits Jan 2007 Joseph Bohanon; LLR; OpenPFGW
n = 580181 174655 digits Mar 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 662317 199381 digits Jul 2009 Fred Roberts; srsieve; PrimeGrid; LLR
n = 830367 249969 digits Apr 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1075029 323619 digits Sep 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1282077 385947 digits Dec 2011 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 1608879 484324 digits Dec 2012 Bhagwandas Jogibhai; NewPGen; PrimeGrid; Twin Prime Search; LLR
n = 2248709 676932 digits Apr 2015 Nayuta Ito; PSieve; srsieve; PrimeGrid; LLR
n = 2711451 816231 digits Mar 2019 Nicholas Vrontakis; PSieve; srsieve; PrimeGrid; LLR
n = 3682167 1108446 digits Jul 2022 Alen Kecic; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3810475 1147071 digits Nov 2022 Jens Katzur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3823191 1150898 digits Nov 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4069283 1224979 digits Jan 2026 Takeru Takesue; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 571
max n: 4.620.687
n = 4 4 digits
n = 16 8 digits
n = 32 13 digits
n = 44 17 digits
n = 56 20 digits
n = 404 125 digits
n = 9872 2975 digits 1993 Harvey Dubner; Dubner Cruncher
n = 22432 6756 digits
n = 29624 8921 digits Jul 1998 Tadashi Taura; Proth
n = 36116 10875 digits
n = 36304 10932 digits Jan 1999 David Hanson; Proth
n = 101072 30429 digits Aug 2001 Göran Axelsson; Proth
n = 108052 32530 digits Aug 2001 Göran Axelsson; Proth
n = 222592 67010 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 512192 154188 digits Jul 2008 Ruediger K. Eckhard; LLR
n = 1078408 324636 digits Sep 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 1258052 378715 digits Nov 2011 Brendan Gallagher; PSieve; srsieve; PrimeGrid; LLR
n = 3127388 941441 digits Nov 2021 Liam McGonegal; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3460216 1041632 digits Jan 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3910616 1177216 digits Feb 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 573
max n: 4.619.841
n = 2 4 digits
n = 13 7 digits
n = 17 8 digits
n = 22 10 digits
n = 89 30 digits
n = 92 31 digits
n = 193 61 digits
n = 269 84 digits
n = 314 98 digits
n = 344 107 digits
n = 377 117 digits
n = 814 248 digits
n = 1190 361 digits
n = 3397 1026 digits
n = 3977 1200 digits
n = 4877 1471 digits
n = 5332 1608 digits
n = 27238 8203 digits Jul 1998 Tadashi Taura; Proth
n = 39604 11925 digits
n = 46550 14016 digits Jul 2000 Thom Adams; Proth
n = 70804 21317 digits
n = 321688 96841 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1400092 421473 digits Jan 2012 Lubomir Kostal; PSieve; srsieve; PrimeGrid; LLR
n = 1735454 522427 digits Jan 2013 Jianwen Ling; PSieve; srsieve; PrimeGrid; LLR
n = 1907450 574203 digits Oct 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1998232 601531 digits Nov 2013 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 3002662 903895 digits Apr 2021 Howard Abbey; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3179293 957066 digits Feb 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 575
max n: 4.620.020
n = 1 4 digits
n = 5 5 digits
n = 15 8 digits
n = 21 10 digits
n = 35 14 digits
n = 39 15 digits
n = 43 16 digits
n = 51 19 digits
n = 53 19 digits
n = 61 22 digits
n = 81 28 digits
n = 93 31 digits
n = 103 34 digits
n = 111 37 digits
n = 131 43 digits
n = 133 43 digits
n = 165 53 digits
n = 181 58 digits
n = 291 91 digits
n = 319 99 digits
n = 323 100 digits
n = 1975 598 digits
n = 2095 634 digits
n = 2175 658 digits
n = 2381 720 digits
n = 2455 742 digits
n = 2499 756 digits
n = 3009 909 digits
n = 5049 1523 digits
n = 6139 1851 digits
n = 10229 3082 digits
n = 12731 3836 digits
n = 13319 4013 digits
n = 20473 6166 digits Oct 1996 Patrick Demichel
n = 32271 9718 digits Feb 1999 Iago L Camboa; Proth
n = 43843 13201 digits
n = 49305 14846 digits
n = 55903 16832 digits Nov 2000 Daval Davis; Proth
n = 65283 19655 digits
n = 69939 21057 digits
n = 104475 31453 digits Aug 2001 Göran Axelsson; Proth
n = 120715 36342 digits Aug 2001 Göran Axelsson; Proth
n = 172141 51823 digits Oct 2001 Göran Axelsson; Proth
n = 439101 132186 digits Sep 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 857203 258047 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1054995 317588 digits Sep 2011 John Michael Blazek; PSieve; srsieve; PrimeGrid; LLR
n = 1781313 536232 digits Mar 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1869989 562926 digits Sep 2013 Derek Smit; PSieve; srsieve; PrimeGrid; LLR
n = 1938673 583602 digits Oct 2013 Douglas A. Wood; PSieve; srsieve; PrimeGrid; LLR
n = 2056081 618945 digits Mar 2014 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 2098483 631710 digits Mar 2014 Frank Schwegler; PSieve; srsieve; PrimeGrid; LLR
n = 2250751 677547 digits Apr 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2679711 806677 digits Nov 2018 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 577
max n: 4.622.081
n = 2 4 digits
n = 6 5 digits
n = 12 7 digits
n = 14 7 digits
n = 18 9 digits
n = 20 9 digits
n = 92 31 digits
n = 98 33 digits
n = 102 34 digits
n = 156 50 digits
n = 290 91 digits
n = 330 103 digits
n = 524 161 digits
n = 1602 486 digits
n = 6036 1820 digits
n = 7142 2153 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10706 3226 digits
n = 12300 3706 digits
n = 13166 3967 digits
n = 21150 6370 digits
n = 28550 8598 digits Jul 1998 Tadashi Taura; Proth
n = 33812 10182 digits
n = 35738 10761 digits
n = 37610 11325 digits
n = 45294 13638 digits
n = 94254 28377 digits Aug 2001 Göran Axelsson; Proth
n = 101322 30504 digits Aug 2001 Göran Axelsson; Proth
n = 121838 36680 digits Aug 2001 Göran Axelsson; Proth
n = 149078 44880 digits Sep 2001 Göran Axelsson; Proth
n = 168654 50773 digits Oct 2001 Göran Axelsson; Proth
n = 173082 52106 digits Oct 2001 Göran Axelsson; Proth
n = 359574 108246 digits Jun 2005 Jaromir Muzik; Proth
n = 673046 202610 digits Aug 2009 Jeff Morales; srsieve; PrimeGrid; LLR
n = 904476 272278 digits Feb 2010 Ruediger K. Eckhard; LLR
n = 1235058 371793 digits Nov 2011 Philipp Krapp; PSieve; srsieve; PrimeGrid; LLR
n = 1994634 600448 digits Oct 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2420868 728757 digits Nov 2016 Lucjan R. Szreter; PSieve; srsieve; PrimeGrid; LLR
n = 2925602 880697 digits Jan 2021 Wayne K Ford; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 579
max n: 4.619.840
n = 6 5 digits
n = 10 6 digits
n = 21 10 digits
n = 45 17 digits
n = 46 17 digits
n = 69 24 digits
n = 99 33 digits
n = 273 85 digits
n = 346 107 digits
n = 537 165 digits
n = 630 193 digits
n = 1110 337 digits
n = 2206 667 digits
n = 2710 819 digits
n = 4674 1410 digits
n = 7422 2238 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17674 5324 digits Jul 1996 Patrick Demichel
n = 29919 9010 digits Jul 1998 Tadashi Taura; Proth
n = 68286 20559 digits
n = 125190 37689 digits Aug 2001 Göran Axelsson; Proth
n = 151047 45473 digits Sep 2001 Göran Axelsson; Proth
n = 186177 56048 digits Jul 2003 Ruediger K. Eckhard; Proth
n = 226762 68265 digits Dec 2004 Joseph Bohanon; LLR; Proth
n = 444561 133829 digits Mar 2006 Andrea Pacini; NewPGen; PRP; Proth
n = 895467 269566 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1255762 378025 digits Nov 2011 Daniel Skoog; PSieve; srsieve; PrimeGrid; LLR
n = 1471002 442819 digits Feb 2012 Peter Leschek; PSieve; srsieve; PrimeGrid; LLR
n = 1500429 451677 digits Oct 2012 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 2068647 622728 digits Mar 2014 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 2754370 829151 digits Jul 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3102639 933991 digits Oct 2021 Paweł Dec; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3269850 984326 digits Jul 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4563430 1373733 digits May 2026 Margus Sõmer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 581
max n: 4.613.480
n = 1 4 digits
n = 3 4 digits
n = 5 5 digits
n = 13 7 digits
n = 21 10 digits
n = 31 13 digits
n = 43 16 digits
n = 55 20 digits
n = 75 26 digits
n = 91 31 digits
n = 93 31 digits
n = 203 64 digits
n = 271 85 digits
n = 315 98 digits
n = 605 185 digits
n = 613 188 digits
n = 853 260 digits
n = 1101 335 digits
n = 1541 467 digits
n = 1615 489 digits
n = 2345 709 digits
n = 3081 931 digits
n = 3125 944 digits
n = 13131 3956 digits May 1997 Chris Caldwell; Dubner Cruncher
n = 20635 6215 digits Oct 1996 Patrick Demichel
n = 33393 10056 digits
n = 37783 11377 digits
n = 38541 11605 digits
n = 45345 13653 digits Jan 2001 Nestor Sergio de Araujo Melo; Proth
n = 71053 21392 digits Jul 2001 Ruediger K. Eckhard; Proth
n = 203315 61207 digits Dec 2004 Ruediger K. Eckhard; Proth
n = 489603 147388 digits Nov 2007 Hans Overmann; Proth
n = 606443 182561 digits Mar 2009 Catherine Chaton; srsieve; PrimeGrid; LLR
n = 1438385 433000 digits Jan 2012 James Nobis; PSieve; srsieve; PrimeGrid; LLR
n = 3114611 937595 digits Nov 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 583
max n: 4.620.447
n = 2 4 digits
n = 6 5 digits
n = 8 6 digits
n = 12 7 digits
n = 30 12 digits
n = 48 18 digits
n = 66 23 digits
n = 134 44 digits
n = 316 98 digits
n = 366 113 digits
n = 476 147 digits
n = 530 163 digits
n = 554 170 digits
n = 646 198 digits
n = 710 217 digits
n = 1184 360 digits
n = 1428 433 digits
n = 1478 448 digits
n = 2224 673 digits
n = 3138 948 digits
n = 3966 1197 digits
n = 6904 2082 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7012 2114 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8512 2566 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9300 2803 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14354 4324 digits Feb 1998 Ray Ballinger; Proth
n = 14736 4439 digits Feb 1998 Ray Ballinger; Proth
n = 22454 6763 digits
n = 22780 6861 digits
n = 27422 8258 digits Jul 1998 Tadashi Taura; Proth
n = 32772 9869 digits Jul 1998 David Hanson; Proth
n = 123476 37173 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 485520 146159 digits Dec 2007 Hans Overmann; Proth
n = 494466 148852 digits Dec 2007 Hans Overmann; Proth
n = 943948 284160 digits Jun 2011 Tatsunori Tsuno; PSieve; srsieve; PrimeGrid; LLR
n = 1219350 367064 digits Nov 2011 Jochen Luedemann; PSieve; srsieve; PrimeGrid; LLR
n = 1480974 445821 digits Feb 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 2126166 640043 digits Mar 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2889248 869754 digits Oct 2020 Alex Belozersky; PSieve; srsieve; PrimeGrid; LLR
n = 2996526 902047 digits Mar 2021 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3009698 906013 digits Apr 2021 Claudius Dräger; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3578402 1077210 digits Dec 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3846196 1157824 digits Dec 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 585
max n: 4.620.359
n = 1 4 digits
n = 2 4 digits
n = 6 5 digits
n = 9 6 digits
n = 11 7 digits
n = 17 8 digits
n = 19 9 digits
n = 32 13 digits
n = 45 17 digits
n = 57 20 digits
n = 61 22 digits
n = 66 23 digits
n = 86 29 digits
n = 95 32 digits
n = 162 52 digits
n = 217 69 digits
n = 230 73 digits
n = 339 105 digits
n = 399 123 digits
n = 456 141 digits
n = 812 248 digits
n = 1441 437 digits
n = 1469 445 digits
n = 1810 548 digits
n = 2255 682 digits
n = 2337 707 digits
n = 2610 789 digits
n = 3536 1068 digits
n = 3690 1114 digits
n = 3870 1168 digits
n = 6137 1851 digits
n = 9355 2819 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10457 3151 digits
n = 14052 4233 digits Feb 1998 Ray Ballinger; Proth
n = 14715 4433 digits Feb 1998 Ray Ballinger; Proth
n = 14847 4473 digits Feb 1998 Ray Ballinger; Proth
n = 23437 7059 digits 1996 Patrick Demichel
n = 24062 7247 digits Jul 1998 Tadashi Taura; Proth
n = 26862 8090 digits Jul 1998 Tadashi Taura; Proth
n = 28137 8473 digits Jul 1998 Tadashi Taura; Proth
n = 30426 9162 digits
n = 30476 9177 digits
n = 48160 14501 digits
n = 55066 16580 digits Nov 2000 Daval Davis; Proth
n = 74557 22447 digits Nov 2000 Jeremy A. Rouse; Proth
n = 78755 23711 digits Nov 2000 Jeremy A. Rouse; Proth
n = 91215 27462 digits Jul 2001 Göran Axelsson; Proth
n = 96541 29065 digits Aug 2001 Göran Axelsson; Proth
n = 103867 31270 digits Nov 2001 Anton Oleynick; Proth
n = 115920 34899 digits
n = 133669 40242 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 147799 44495 digits Oct 2003 David Kokales; NewPGen; Proth
n = 189812 57142 digits Jul 2003 Ruediger K. Eckhard; Proth
n = 216701 65237 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 218089 65655 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 274017 82491 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 342299 103046 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 360135 108415 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 604450 181961 digits Mar 2009 Ben Rhodes; srsieve; PrimeGrid; LLR
n = 675972 203491 digits Sep 2009 Patrick Persch; srsieve; PrimeGrid; LLR
n = 713989 214935 digits Feb 2010 Pietari Snow; srsieve; PrimeGrid; LLR
n = 971070 292324 digits Jun 2011 Reuben Gathright; PSieve; srsieve; PrimeGrid; LLR
n = 1121215 337523 digits Sep 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1251530 376751 digits Nov 2011 Joachim Sander; PSieve; srsieve; PrimeGrid; LLR
n = 1887819 568293 digits Oct 2013 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 2002589 602843 digits Feb 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2184510 657606 digits May 2014 Darren Boyden; PSieve; srsieve; PrimeGrid; LLR
n = 2329350 701207 digits May 2016 Marcel Out; PSieve; srsieve; PrimeGrid; LLR
n = 4049347 1218978 digits Jan 2026 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 587
max n: 4.619.830
n = 227 72 digits
n = 2147 650 digits
n = 4195 1266 digits
n = 21811 6569 digits
n = 116831 35173 digits Oct 2000 Fumitaka Yura; Proth
n = 1198111 360671 digits Oct 2011 Xavier Droniou; PSieve; srsieve; PrimeGrid; LLR
n = 1300051 391358 digits Jan 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 2124947 639676 digits Mar 2014 Darren Boyden; PSieve; srsieve; PrimeGrid; LLR
n = 2217355 667494 digits Mar 2015 Don Palmer; PSieve; srsieve; PrimeGrid; LLR
n = 3173567 955342 digits Jan 2022 Vesa Harju; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 589
max n: 4.619.789
n = 2 4 digits
n = 22 10 digits
n = 34 14 digits
n = 62 22 digits
n = 102 34 digits
n = 310 97 digits
n = 318 99 digits
n = 542 166 digits
n = 2090 632 digits
n = 3082 931 digits
n = 5782 1744 digits
n = 6410 1933 digits
n = 49422 14881 digits
n = 65334 19671 digits
n = 149402 44978 digits Nov 2003 Ruediger K. Eckhard; Proth
n = 459218 138242 digits Nov 2007 Ruediger K. Eckhard; LLR
n = 1148198 345645 digits Oct 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1440410 433610 digits Jan 2012 James P. Burt; PSieve; srsieve; PrimeGrid; LLR
n = 1992774 599888 digits Oct 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 3699954 1113800 digits Aug 2022 Vitor Amorim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 591
max n: 4.622.366
n = 3 4 digits
n = 5 5 digits
n = 9 6 digits
n = 11 7 digits
n = 41 16 digits
n = 53 19 digits
n = 56 20 digits
n = 93 31 digits
n = 195 62 digits
n = 245 77 digits
n = 249 78 digits
n = 411 127 digits
n = 651 199 digits
n = 993 302 digits
n = 1541 467 digits
n = 1757 532 digits
n = 5243 1582 digits
n = 5340 1611 digits
n = 5564 1678 digits
n = 6657 2007 digits Mar 1996 Patrick Demichel
n = 8744 2635 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12695 3825 digits
n = 13116 3952 digits
n = 22097 6655 digits 1996 Patrick Demichel
n = 30008 9037 digits Jun 1998 Ola Svallmark; Proth
n = 35127 10578 digits Aug 1998 David Hanson; Proth
n = 42797 12886 digits
n = 46397 13970 digits
n = 114941 34604 digits
n = 136239 41015 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 185669 55895 digits Sep 2003 Ruediger K. Eckhard; Proth
n = 273080 82209 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 338187 101808 digits May 2006 Steven Harvey; FermFact; OpenPFGW
n = 446597 134442 digits Nov 2007 Dennis Okon; Proth
n = 558045 167992 digits Feb 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 1176188 354071 digits Oct 2011 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 2111001 635478 digits Mar 2014 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 2748315 827329 digits Jul 2019 Barry Walsh; PSieve; srsieve; PrimeGrid; LLR
n = 2975069 895588 digits Feb 2021 Luca Corlatti; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4475388 1347229 digits Apr 2026 Hideyasu Kawamura; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 593
max n: 4.623.584
n = 1 4 digits
n = 9 6 digits
n = 33 13 digits
n = 117 38 digits
n = 141 46 digits
n = 1129 343 digits
n = 1345 408 digits
n = 4981 1503 digits
n = 10849 3269 digits
n = 78085 23509 digits
n = 96489 29049 digits Aug 2001 Göran Axelsson; Proth
n = 143361 43159 digits Nov 2003 Ruediger K. Eckhard; Proth
n = 222121 66868 digits Apr 2005 Jaromir Muzik; Proth
n = 546309 164459 digits Feb 2009 Christian Suchi; srsieve; PrimeGrid; LLR
n = 975577 293681 digits Jun 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1818825 547524 digits Sep 2013 Jerome Brebois; PSieve; srsieve; PrimeGrid; LLR
n = 3006969 905191 digits Apr 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3309333 996212 digits Jul 2022 Hans Sveen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 595
max n: 4.620.099
n = 2 4 digits
n = 4 4 digits
n = 12 7 digits
n = 16 8 digits
n = 38 15 digits
n = 46 17 digits
n = 54 20 digits
n = 66 23 digits
n = 72 25 digits
n = 84 29 digits
n = 106 35 digits
n = 130 42 digits
n = 144 47 digits
n = 232 73 digits
n = 262 82 digits
n = 312 97 digits
n = 450 139 digits
n = 470 145 digits
n = 546 168 digits
n = 554 170 digits
n = 690 211 digits
n = 750 229 digits
n = 844 257 digits
n = 1270 386 digits
n = 1278 388 digits
n = 1984 601 digits
n = 2602 787 digits
n = 3250 982 digits
n = 3868 1168 digits
n = 5150 1554 digits
n = 6358 1917 digits
n = 7068 2131 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7518 2266 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7828 2360 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8998 2712 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12898 3886 digits
n = 17728 5340 digits Jul 1996 Patrick Demichel
n = 21004 6326 digits Oct 1996 Patrick Demichel
n = 24622 7415 digits Jul 1998 Tadashi Taura; Proth
n = 31792 9574 digits Jul 1998 Tadashi Taura; Proth
n = 34654 10435 digits Jul 1998 David Hanson; Proth
n = 139214 41911 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 176964 53275 digits Oct 2001 Göran Axelsson; Proth
n = 178402 53708 digits Oct 2001 Göran Axelsson; Proth
n = 187122 56333 digits Oct 2001 Göran Axelsson; Proth
n = 232086 69868 digits Jun 2005 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 331980 99939 digits Mar 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 374416 112714 digits Jun 2007 Mark Rodenkirch; srsieve; LLR
n = 403070 121339 digits Feb 2007 Steven Harvey; FermFact; OpenPFGW
n = 516324 155432 digits Oct 2008 Ruediger K. Eckhard; LLR
n = 872926 262780 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 904444 272268 digits Jan 2010 Ruediger K. Eckhard; LLR
n = 1163818 350347 digits Oct 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1211446 364685 digits Nov 2011 Wong Hin Wai; PSieve; srsieve; PrimeGrid; LLR
n = 2833406 852943 digits Jan 2020 Stephen P. Norton; PSieve; srsieve; PrimeGrid; LLR
k: 597
max n: 4.619.287
n = 2 4 digits
n = 8 6 digits
n = 14 7 digits
n = 18 9 digits
n = 28 12 digits
n = 70 24 digits
n = 82 28 digits
n = 116 38 digits
n = 190 60 digits
n = 196 62 digits
n = 218 69 digits
n = 270 85 digits
n = 316 98 digits
n = 382 118 digits
n = 534 164 digits
n = 674 206 digits
n = 710 217 digits
n = 1772 537 digits
n = 2066 625 digits
n = 2151 651 digits
n = 2375 718 digits
n = 3374 1019 digits
n = 3812 1151 digits
n = 6802 2051 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7330 2210 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8572 2584 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12634 3806 digits
n = 13360 4025 digits Feb 1998 Ray Ballinger; Proth
n = 14992 4516 digits Feb 1998 Ray Ballinger; Proth
n = 65282 19655 digits
n = 71674 21579 digits
n = 86500 26042 digits Aug 2001 Greg Childers; OpenPFGW
n = 111690 33625 digits
n = 119038 35837 digits Aug 2003 Frank Schickel; Proth
n = 137519 41401 digits Aug 2003 Frank Schickel; Proth
n = 165758 49901 digits Sep 2001 Göran Axelsson; Proth
n = 216278 65109 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 319842 96285 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 356674 107373 digits Mar 2006 Jaromir Muzik; Proth
n = 379888 114361 digits Apr 2006 Jaromir Muzik; Proth
n = 457470 137715 digits Aug 2006 Jaromir Muzik; Proth
n = 459736 138398 digits Aug 2006 Jaromir Muzik; Proth
n = 490528 147667 digits Aug 2006 Jaromir Muzik; Proth
n = 729490 219602 digits Feb 2010 Greg Gatewood; srsieve; PrimeGrid; LLR
n = 931706 280475 digits Mar 2011 Ruediger K. Eckhard; LLR
n = 1126638 339155 digits Oct 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 1726268 519662 digits Jan 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 3322871 1000287 digits Oct 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 599
max n: 4.622.572
n = 3 4 digits
n = 7 5 digits
n = 9 6 digits
n = 13 7 digits
n = 17 8 digits
n = 27 11 digits
n = 35 14 digits
n = 53 19 digits
n = 65 23 digits
n = 97 32 digits
n = 115 38 digits
n = 143 46 digits
n = 327 102 digits
n = 379 117 digits
n = 447 138 digits
n = 517 159 digits
n = 545 167 digits
n = 679 208 digits
n = 787 240 digits
n = 815 249 digits
n = 823 251 digits
n = 1627 493 digits
n = 1715 520 digits
n = 2303 697 digits
n = 2317 701 digits
n = 2577 779 digits
n = 2683 811 digits
n = 3453 1043 digits
n = 4377 1321 digits
n = 4909 1481 digits
n = 5887 1775 digits
n = 6439 1942 digits
n = 9193 2771 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12539 3778 digits
n = 14667 4418 digits Feb 1998 Ray Ballinger; Proth
n = 19085 5748 digits Oct 1996 Patrick Demichel
n = 40217 12110 digits
n = 46269 13932 digits
n = 48993 14752 digits
n = 331817 99890 digits Mar 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 459935 138458 digits Aug 2007 Dennis Okon; Proth
n = 677727 204019 digits Sep 2009 Dale Laluk; srsieve; PrimeGrid; LLR
n = 716277 215624 digits Feb 2010 Mark Souders; srsieve; PrimeGrid; LLR
n = 741427 223195 digits Feb 2010 Kevin Thomson; srsieve; PrimeGrid; LLR
n = 815357 245450 digits Feb 2011 Stuart Gibbons; PSieve; srsieve; PrimeGrid; LLR
n = 965537 290659 digits Jun 2011 Reuben Gathright; PSieve; srsieve; PrimeGrid; LLR
n = 1687659 508039 digits Dec 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 3515959 1058412 digits May 2018 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3551793 1069200 digits Sep 2018 Michele T. Mazzucato; PSieve; srsieve; PrimeGrid; LLR
n = 3963655 1193182 digits Mar 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4173177 1256255 digits Feb 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4498795 1354276 digits Apr 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 601
max n: 4.620.123
n = 16 8 digits
n = 32 13 digits
n = 44 17 digits
n = 52 19 digits
n = 184 59 digits
n = 424 131 digits
n = 556 171 digits
n = 5116 1543 digits
n = 19664 5923 digits Oct 1996 Patrick Demichel
n = 20992 6323 digits Oct 1996 Patrick Demichel
n = 22264 6705 digits
n = 29900 9004 digits Jul 1998 Tadashi Taura; Proth
n = 30980 9329 digits Aug 1998 Ola Svallmark; Proth
n = 1117772 336486 digits Sep 2011 Jamie Johnston; PSieve; srsieve; PrimeGrid; LLR
k: 603
max n: 4.619.495
n = 4 4 digits
n = 6 5 digits
n = 8 6 digits
n = 10 6 digits
n = 12 7 digits
n = 18 9 digits
n = 46 17 digits
n = 54 20 digits
n = 70 24 digits
n = 76 26 digits
n = 152 49 digits
n = 220 70 digits
n = 286 89 digits
n = 400 124 digits
n = 462 142 digits
n = 568 174 digits
n = 584 179 digits
n = 586 180 digits
n = 1181 359 digits
n = 1242 377 digits
n = 1756 532 digits
n = 1922 582 digits
n = 2834 856 digits
n = 3218 972 digits
n = 12176 3669 digits
n = 13580 4091 digits Feb 1998 Ray Ballinger; Proth
n = 20830 6274 digits Oct 1996 Patrick Demichel
n = 21130 6364 digits
n = 21518 6481 digits Oct 1996 Patrick Demichel
n = 24196 7287 digits Jul 1998 Tadashi Taura; Proth
n = 45162 13598 digits
n = 53050 15973 digits
n = 62384 18783 digits
n = 75158 22628 digits
n = 129204 38898 digits Dec 1998 Lars A Carlen; Proth
n = 203573 61285 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 677816 204046 digits Sep 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 709572 213606 digits Feb 2010 Adam Alexander; srsieve; PrimeGrid; LLR
n = 748340 225276 digits Feb 2010 Joerg Steinmetz; srsieve; PrimeGrid; LLR
n = 805206 242394 digits Feb 2011 Mark Gatenby; PSieve; srsieve; PrimeGrid; LLR
n = 1002662 301835 digits May 2007 Payam Samidoost; FermFact; LLR; OpenPFGW
n = 1286394 387246 digits Nov 2011 Jeffrey Maruska; PSieve; srsieve; PrimeGrid; LLR
n = 1578398 475148 digits Nov 2012 Bhagwandas Jogibhai; NewPGen; PrimeGrid; Twin Prime Search; LLR
n = 1756142 528655 digits Mar 2013 Takeshi Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 2252402 678044 digits Jan 2016 Alessandro Puppi; PSieve; srsieve; PrimeGrid; LLR
k: 605
max n: 4.620.538
n = 11 7 digits
n = 15 8 digits
n = 33 13 digits
n = 45 17 digits
n = 57 20 digits
n = 65 23 digits
n = 197 63 digits
n = 243 76 digits
n = 291 91 digits
n = 351 109 digits
n = 363 113 digits
n = 1473 447 digits
n = 1703 516 digits
n = 2055 622 digits
n = 2469 747 digits
n = 5415 1633 digits
n = 5481 1653 digits
n = 10799 3254 digits
n = 37599 11322 digits
n = 76493 23030 digits
n = 85229 25660 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 112175 33771 digits
n = 179493 54036 digits Oct 2002 Anton Oleynick; Proth
n = 365019 109885 digits Jan 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 647639 194962 digits May 2009 Travis Parker; srsieve; PrimeGrid; LLR
n = 693237 208688 digits Nov 2009 Wolfgang Straubinger; srsieve; PrimeGrid; LLR
n = 736625 221750 digits Feb 2010 Aleksey Ledovskiy; srsieve; PrimeGrid; LLR
n = 968871 291663 digits Jun 2011 Paul Arthur MacIain; PSieve; srsieve; PrimeGrid; LLR
n = 1022087 307682 digits Jul 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 4021103 1210476 digits Dec 2025 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4353245 1310461 digits Feb 2026 Stephen Eldred; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 607
max n: 4.623.797
n = 12 7 digits
n = 28 12 digits
n = 52 19 digits
n = 256 80 digits
n = 352 109 digits
n = 372 115 digits
n = 696 213 digits
n = 930 283 digits
n = 2236 676 digits
n = 3162 955 digits
n = 5802 1750 digits
n = 6688 2017 digits Mar 1996 Patrick Demichel
n = 11856 3572 digits
n = 17212 5185 digits Jul 1996 Patrick Demichel
n = 30282 9119 digits Jul 1998 Ola Svallmark; Proth
n = 107908 32487 digits Sep 2001 Anton Oleynick; Proth
n = 119118 35861 digits
n = 129568 39007 digits Oct 1998 Lars A Carlen; Proth
n = 271338 81684 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 393760 118537 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 395652 119106 digits Nov 2007 Steven Harvey; FermFact; OpenPFGW
n = 431862 130007 digits Aug 2006 Ruediger K. Eckhard; LLR
n = 640146 192706 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 649860 195631 digits May 2009 Colin Nish; srsieve; PrimeGrid; LLR
n = 653872 196838 digits Jun 2009 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 1342336 404087 digits Jan 2012 Jianwen Ling; PSieve; srsieve; PrimeGrid; LLR
n = 1790196 538906 digits Mar 2013 Jonathan Bush; PSieve; srsieve; PrimeGrid; LLR
n = 2447836 736875 digits Jan 2017 Dennis Mull; PSieve; srsieve; PrimeGrid; LLR
n = 2483616 747646 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 4504926 1356121 digits Apr 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 609
max n: 4.618.976
n = 2 4 digits
n = 5 5 digits
n = 6 5 digits
n = 10 6 digits
n = 18 9 digits
n = 19 9 digits
n = 26 11 digits
n = 37 14 digits
n = 46 17 digits
n = 55 20 digits
n = 61 22 digits
n = 82 28 digits
n = 94 32 digits
n = 134 44 digits
n = 139 45 digits
n = 402 124 digits
n = 537 165 digits
n = 542 166 digits
n = 577 177 digits
n = 741 226 digits
n = 1245 378 digits
n = 1369 415 digits
n = 1734 525 digits
n = 4558 1375 digits
n = 5154 1555 digits
n = 5206 1570 digits
n = 5821 1756 digits
n = 7430 2240 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7639 2303 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11017 3320 digits May 1996 Patrick Demichel
n = 13327 4015 digits
n = 13414 4041 digits Feb 1998 Ray Ballinger; Proth
n = 25131 7568 digits Apr 1998 Ray Ballinger; Proth
n = 28286 8518 digits Jul 1998 Tadashi Taura; Proth
n = 33926 10216 digits
n = 34077 10261 digits Sep 1998 Tadashi Taura; Proth
n = 35677 10743 digits Sep 1998 Tadashi Taura; Proth
n = 37246 11215 digits
n = 42358 12754 digits
n = 45349 13655 digits
n = 53161 16006 digits
n = 61745 18590 digits
n = 62594 18846 digits
n = 67729 20392 digits
n = 77242 23255 digits
n = 108710 32728 digits Sep 2001 Anton Oleynick; Proth
n = 116547 35087 digits
n = 120201 36187 digits
n = 121918 36704 digits
n = 135958 40931 digits
n = 136537 41105 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 148150 44601 digits
n = 202359 60919 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 220421 66357 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 244606 73637 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 331798 99884 digits Mar 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 370221 111451 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 457969 137866 digits Dec 2008 Rory Smith; srsieve; PrimeGrid; LLR
n = 893317 268918 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1302898 392215 digits Jan 2012 Mike Ingram; PSieve; srsieve; PrimeGrid; LLR
n = 1368375 411925 digits Jan 2012 Dave Sanny; PSieve; srsieve; PrimeGrid; LLR
n = 1380766 415655 digits Jan 2012 Jörg Meili; PSieve; srsieve; PrimeGrid; LLR
n = 1478341 445028 digits Feb 2012 Massimo Isetti; PSieve; srsieve; PrimeGrid; LLR
n = 2735031 823330 digits Jun 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 2741078 825150 digits Jul 2019 Ben Ridgway; PSieve; srsieve; PrimeGrid; LLR
n = 3392301 1021188 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3497474 1052848 digits Mar 2018 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3662931 1102655 digits Jul 2022 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3928441 1182582 digits Feb 2023 Frank Doornink; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3928682 1182654 digits Feb 2023 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4321418 1300880 digits Feb 2026 Glenn Hall; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4401634 1325027 digits Feb 2026 Fangping Wen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 611
max n: 4.613.478
n = 1 4 digits
n = 3 4 digits
n = 5 5 digits
n = 11 7 digits
n = 17 8 digits
n = 21 10 digits
n = 25 11 digits
n = 39 15 digits
n = 53 19 digits
n = 87 29 digits
n = 89 30 digits
n = 155 50 digits
n = 165 53 digits
n = 263 82 digits
n = 283 88 digits
n = 317 99 digits
n = 455 140 digits
n = 471 145 digits
n = 537 165 digits
n = 617 189 digits
n = 915 279 digits
n = 969 295 digits
n = 1025 312 digits
n = 1055 321 digits
n = 1115 339 digits
n = 1289 391 digits
n = 1313 399 digits
n = 1391 422 digits
n = 1485 450 digits
n = 1765 535 digits
n = 1901 576 digits
n = 2299 695 digits
n = 2379 719 digits
n = 2473 748 digits
n = 2915 881 digits
n = 3239 978 digits
n = 3415 1031 digits
n = 4655 1405 digits
n = 4965 1498 digits
n = 5281 1593 digits
n = 8219 2477 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11591 3493 digits
n = 15557 4686 digits Feb 1998 Charles F. Kerchner III; Proth
n = 15841 4772 digits Feb 1998 Charles F. Kerchner III; Proth
n = 24245 7302 digits Jan 1998 Henri Lifchitz; Proth
n = 24323 7325 digits Jul 1998 Tadashi Taura; Proth
n = 29191 8791 digits Jul 1998 Tadashi Taura; Proth
n = 36489 10988 digits
n = 39407 11866 digits Jan 1998 Henri Lifchitz; Proth
n = 42365 12756 digits
n = 67331 20272 digits
n = 76609 23065 digits
n = 110897 33387 digits
n = 149787 45094 digits
n = 193207 58164 digits Feb 2005 Steven Harvey; FermFact; OpenPFGW
n = 213927 64402 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 258339 77771 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 263825 79423 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 504137 151764 digits Jan 2008 Ruediger K. Eckhard; LLR
n = 504751 151948 digits Jan 2008 Ruediger K. Eckhard; LLR
n = 768703 231406 digits Feb 2010 Andreas Kobara; srsieve; PrimeGrid; LLR
n = 774259 233078 digits Feb 2010 Markus Schoenberger; srsieve; PrimeGrid; LLR
n = 860287 258975 digits May 2011 Krzysztof Ostaszewski; PSieve; srsieve; PrimeGrid; LLR
n = 1163621 350288 digits Oct 2011 Tull Gearreald; PSieve; srsieve; PrimeGrid; LLR
n = 1909525 574828 digits Oct 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 3334875 1003901 digits Nov 2016 John S Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 3398273 1022985 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 613
max n: 4.624.337
n = 6 5 digits
n = 26 11 digits
n = 38 15 digits
n = 88 30 digits
n = 194 62 digits
n = 366 113 digits
n = 398 123 digits
n = 414 128 digits
n = 546 168 digits
n = 1170 355 digits
n = 1270 386 digits
n = 1426 433 digits
n = 2206 667 digits
n = 3106 938 digits
n = 10534 3174 digits
n = 11358 3422 digits
n = 11824 3563 digits
n = 15174 4571 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16538 4982 digits Mar 1998 Charles F. Kerchner III; Proth
n = 23270 7008 digits
n = 38230 11512 digits
n = 40078 12068 digits
n = 68894 20742 digits Aug 2000 James Carpenter; Proth
n = 106450 32048 digits Sep 2001 Anton Oleynick; Proth
n = 182118 54826 digits Feb 2005 Steven Harvey; FermFact; OpenPFGW
n = 395146 118954 digits Nov 2007 Steven Harvey; FermFact; OpenPFGW
n = 562536 169343 digits Mar 2009 Stephen Moody; srsieve; PrimeGrid; LLR
n = 806090 242661 digits Feb 2011 Martin Novak; PSieve; srsieve; PrimeGrid; LLR
n = 1228474 369811 digits Nov 2011 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1876758 564964 digits Sep 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 4410230 1327615 digits Feb 2026 Frederik Schiøler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 615
max n: 4.604.362
n = 1 4 digits
n = 5 5 digits
n = 7 5 digits
n = 14 8 digits
n = 23 10 digits
n = 32 13 digits
n = 37 14 digits
n = 59 21 digits
n = 65 23 digits
n = 109 36 digits
n = 115 38 digits
n = 146 47 digits
n = 199 63 digits
n = 203 64 digits
n = 209 66 digits
n = 215 68 digits
n = 389 120 digits
n = 391 121 digits
n = 557 171 digits
n = 617 189 digits
n = 709 217 digits
n = 1049 319 digits
n = 1574 477 digits
n = 1763 534 digits
n = 2273 688 digits
n = 2497 755 digits
n = 2734 826 digits
n = 3389 1023 digits
n = 3743 1130 digits
n = 4867 1468 digits
n = 10982 3309 digits
n = 11372 3427 digits
n = 11878 3579 digits
n = 14989 4515 digits Feb 1998 Ray Ballinger; Proth
n = 18254 5498 digits Oct 1996 Patrick Demichel
n = 22249 6701 digits 1996 Patrick Demichel
n = 23039 6939 digits 1996 Patrick Demichel
n = 26174 7882 digits Jul 1998 Tadashi Taura; Proth
n = 26894 8099 digits Jul 1998 Tadashi Taura; Proth
n = 48179 14507 digits
n = 52663 15856 digits
n = 53806 16201 digits
n = 59153 17810 digits
n = 80318 24181 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 104407 31433 digits Sep 2001 Anton Oleynick; Proth
n = 130664 39337 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 142097 42779 digits
n = 164797 49612 digits Feb 2002 Anton Oleynick; Proth
n = 169022 50884 digits Feb 2002 Anton Oleynick; Proth
n = 177953 53572 digits Oct 2002 Anton Oleynick; Proth
n = 219197 65988 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 542783 163397 digits Feb 2009 Paweł Rudnik; srsieve; PrimeGrid; LLR
n = 575972 173388 digits Mar 2009 Alan J Hidy; srsieve; PrimeGrid; LLR
n = 624752 188072 digits Apr 2009 Adam Corrall; srsieve; PrimeGrid; LLR
n = 701305 211117 digits Jan 2010 Luuk Geurts; srsieve; PrimeGrid; LLR
n = 832925 250739 digits Apr 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1041203 313437 digits Sep 2011 Chen Hsun Chang; PSieve; srsieve; PrimeGrid; LLR
n = 1041857 313633 digits Sep 2011 Dwayne Sterling Roberts; PSieve; srsieve; PrimeGrid; LLR
n = 1298251 390816 digits Nov 2011 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1724209 519042 digits Jan 2013 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 2235833 673056 digits Jan 2016 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3019445 908947 digits May 2021 Krzysztof Ostaszewski; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3738023 1125260 digits Aug 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3844151 1157208 digits Dec 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 617
max n: 4.624.310
n = 3 4 digits
n = 7 5 digits
n = 23 10 digits
n = 71 25 digits
n = 183 58 digits
n = 187 60 digits
n = 267 84 digits
n = 279 87 digits
n = 283 88 digits
n = 687 210 digits
n = 723 221 digits
n = 3451 1042 digits
n = 7287 2197 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11619 3501 digits
n = 13323 4014 digits Nov 2000 Nestor Sergio de Araujo Melo; Proth
n = 136583 41119 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 180279 54273 digits
n = 205347 61819 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 214979 64718 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 467627 140773 digits Dec 2008 Payam Samidoost; srsieve; PrimeGrid; LLR
n = 591187 177968 digits Mar 2009 Joerg Steinmetz; srsieve; PrimeGrid; LLR
n = 655259 197256 digits Jun 2009 Robert M Weis; srsieve; PrimeGrid; LLR
n = 2156699 649234 digits Apr 2014 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 2485919 748339 digits May 2017 Krzysztof Ostaszewski; PSieve; srsieve; PrimeGrid; LLR
n = 3368119 1013908 digits Feb 2017 Kimmo Koski; PSieve; srsieve; PrimeGrid; LLR
n = 4263387 1283411 digits Feb 2026 Margus Sõmer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 619
max n: 4.624.777
n = 2 4 digits
n = 194 62 digits
n = 642 197 digits
n = 1302 395 digits
n = 3098 936 digits
n = 4242 1280 digits
n = 121686 36634 digits Sep 2003 John Metcalf; Proth
n = 251726 75780 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 1143986 344377 digits Oct 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 3362814 1012311 digits Feb 2017 Daniel Frużyński; PSieve; srsieve; PrimeGrid; LLR
k: 621
max n: 4.619.699
n = 3 4 digits
n = 12 7 digits
n = 39 15 digits
n = 48 18 digits
n = 55 20 digits
n = 103 34 digits
n = 124 41 digits
n = 267 84 digits
n = 345 107 digits
n = 543 167 digits
n = 556 171 digits
n = 625 191 digits
n = 633 194 digits
n = 723 221 digits
n = 1060 322 digits
n = 1119 340 digits
n = 1147 349 digits
n = 1204 366 digits
n = 2712 820 digits
n = 4417 1333 digits
n = 8380 2526 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11239 3387 digits
n = 15723 4736 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16908 5093 digits May 1996 Patrick Demichel
n = 44148 13293 digits
n = 74548 22444 digits
n = 131604 39620 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 338356 101859 digits Feb 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 369337 111185 digits Feb 2006 Predrag Minovic; FermFact; OpenPFGW; LLR
n = 373305 112379 digits Jul 2007 Steven Harvey; FermFact; OpenPFGW
n = 1204299 362533 digits Nov 2011 Juraj Drusc; PSieve; srsieve; PrimeGrid; LLR
n = 1218520 366814 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1909716 574885 digits Oct 2013 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 2026864 610150 digits Apr 2014 Joseph Marshall; PSieve; srsieve; PrimeGrid; LLR
n = 3378148 1016927 digits Mar 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3551472 1069103 digits Sep 2018 Hazel Victoria Campbell; PSieve; srsieve; PrimeGrid; LLR
k: 623
max n: 4.620.092
n = 5 5 digits
n = 21 10 digits
n = 33 13 digits
n = 105 35 digits
n = 173 55 digits
n = 209 66 digits
n = 341 106 digits
n = 397 123 digits
n = 453 140 digits
n = 573 176 digits
n = 973 296 digits
n = 1069 325 digits
n = 2489 753 digits
n = 3281 991 digits
n = 3665 1107 digits
n = 10609 3197 digits
n = 13573 4089 digits Feb 1998 Ray Ballinger; Proth
n = 14173 4270 digits Feb 1998 Ray Ballinger; Proth
n = 14321 4314 digits Feb 1998 Ray Ballinger; Proth
n = 15449 4654 digits Feb 1998 Charles F. Kerchner III; Proth
n = 67785 20409 digits
n = 83481 25134 digits
n = 114229 34390 digits
n = 287665 86599 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 1280125 385359 digits Nov 2011 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 4288273 1290902 digits Feb 2026 LLR2; PSieve; srsieve; Rechenkraft.net e.V.; PrimeGrid; LLR
k: 625
max n: 4.614.723
n = 8 6 digits
n = 16 8 digits
n = 20 9 digits
n = 24 11 digits
n = 32 13 digits
n = 36 14 digits
n = 88 30 digits
n = 104 35 digits
n = 320 100 digits
n = 456 141 digits
n = 496 153 digits
n = 588 180 digits
n = 4940 1490 digits
n = 12048 3630 digits
n = 14464 4357 digits Feb 1998 Ray Ballinger; Proth
n = 16084 4845 digits Feb 1998 Charles F. Kerchner III; Proth
n = 44640 13441 digits
n = 144748 43577 digits
n = 338852 102008 digits Feb 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 463656 139578 digits Dec 2008 Simon Yakovlev; srsieve; PrimeGrid; LLR
n = 671200 202055 digits Aug 2009 Christophe Gillet; srsieve; PrimeGrid; LLR
n = 948932 285660 digits Jun 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1410668 424657 digits Jan 2012 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 1921056 578299 digits Oct 2013 Benjamin Glasgow; PSieve; srsieve; PrimeGrid; LLR
n = 2039416 613929 digits Apr 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2483272 747543 digits May 2017 Quasar Liao; PSieve; srsieve; PrimeGrid; LLR
n = 2970336 894164 digits Feb 2021 Jonathan Sipes; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3180780 957513 digits Feb 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3438572 1035117 digits Oct 2017 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 3676300 1106680 digits Jul 2022 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 627
max n: 4.619.831
n = 6 5 digits
n = 10 6 digits
n = 19 9 digits
n = 22 10 digits
n = 30 12 digits
n = 40 15 digits
n = 58 21 digits
n = 99 33 digits
n = 106 35 digits
n = 216 68 digits
n = 243 76 digits
n = 286 89 digits
n = 430 133 digits
n = 570 175 digits
n = 652 200 digits
n = 659 202 digits
n = 894 272 digits
n = 918 280 digits
n = 1380 419 digits
n = 1875 568 digits
n = 1899 575 digits
n = 1944 588 digits
n = 2842 859 digits
n = 3730 1126 digits
n = 4630 1397 digits
n = 5224 1576 digits
n = 7740 2333 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8248 2486 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8827 2660 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10780 3248 digits
n = 13299 4007 digits
n = 15259 4597 digits Feb 1998 Charles F. Kerchner III; Proth
n = 55459 16698 digits
n = 56302 16952 digits
n = 61532 18526 digits
n = 63468 19109 digits
n = 86994 26191 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 99960 30094 digits Feb 2002 Göran Axelsson; Proth
n = 120694 36336 digits
n = 148339 44658 digits
n = 165990 49971 digits Feb 2002 Anton Oleynick; Proth
n = 548302 165059 digits Feb 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 621252 187019 digits Apr 2009 Eric Potter; srsieve; PrimeGrid; LLR
n = 977002 294110 digits Jun 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1037086 312197 digits Sep 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1137547 342439 digits Oct 2011 Jeffrey Maruska; PSieve; srsieve; PrimeGrid; LLR
n = 1299702 391253 digits Nov 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 1738864 523454 digits Jan 2013 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 2343140 705359 digits May 2016 Matej Rizman; PSieve; srsieve; PrimeGrid; LLR
n = 2567718 772963 digits Feb 2018 Tyler Bredl; PSieve; srsieve; PrimeGrid; LLR
n = 2891514 870436 digits Oct 2020 William Hawkinson; PSieve; srsieve; PrimeGrid; LLR
n = 2959098 890781 digits Feb 2021 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 629
max n: 4.614.088
n = 1 4 digits
n = 5 5 digits
n = 7 5 digits
n = 11 7 digits
n = 17 8 digits
n = 19 9 digits
n = 29 12 digits
n = 31 13 digits
n = 43 16 digits
n = 59 21 digits
n = 61 22 digits
n = 71 25 digits
n = 83 28 digits
n = 103 34 digits
n = 125 41 digits
n = 161 52 digits
n = 257 81 digits
n = 281 88 digits
n = 445 137 digits
n = 499 154 digits
n = 619 190 digits
n = 623 191 digits
n = 637 195 digits
n = 661 202 digits
n = 787 240 digits
n = 1027 312 digits
n = 1573 477 digits
n = 2267 686 digits
n = 3521 1063 digits
n = 3587 1083 digits
n = 4043 1220 digits
n = 4571 1379 digits
n = 5915 1784 digits
n = 6485 1955 digits
n = 6509 1963 digits
n = 10487 3160 digits
n = 11669 3516 digits
n = 11843 3568 digits
n = 13007 3919 digits
n = 20809 6267 digits Oct 1996 Patrick Demichel
n = 26681 8035 digits Jul 1998 Tadashi Taura; Proth
n = 29131 8773 digits Jul 1998 Tadashi Taura; Proth
n = 37915 11417 digits Jan 2001 Nestor Sergio de Araujo Melo; Proth
n = 53779 16192 digits
n = 59789 18002 digits
n = 72331 21777 digits
n = 73651 22174 digits
n = 80857 24344 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 81595 24566 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 124871 37593 digits
n = 131345 39542 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 134873 40604 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 142511 42903 digits
n = 164297 49462 digits Feb 2002 Anton Oleynick; Proth
n = 178621 53774 digits Dec 2002 Anton Oleynick; Proth
n = 201187 60567 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 317369 95541 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 383299 115388 digits Nov 2007 Steven Harvey; FermFact; OpenPFGW
n = 399503 120266 digits Feb 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 457877 137838 digits Dec 2008 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 526211 158409 digits Jul 2008 Steven Harvey; FermFact; OpenPFGW
n = 726049 218566 digits Feb 2010 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 1043191 314035 digits Sep 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1084915 326595 digits Sep 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 1469471 442358 digits Feb 2012 Gus Obermeyer; PSieve; srsieve; PrimeGrid; LLR
n = 1988579 598625 digits Oct 2013 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 2857891 860314 digits Mar 2020 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2892961 870871 digits Nov 2020 Drew Bishop; PSieve; srsieve; PrimeGrid; LLR
n = 3066827 923210 digits Jul 2021 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3731479 1123290 digits Aug 2022 David Hua; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 631
max n: 4.620.523
n = 144 47 digits
n = 392 121 digits
n = 428 132 digits
n = 584 179 digits
n = 904 275 digits
n = 2488 752 digits
n = 3272 988 digits
n = 4936 1489 digits
n = 5732 1729 digits
n = 8544 2575 digits 1993 Harvey Dubner; Dubner Cruncher
n = 37912 11416 digits
n = 39928 12023 digits
n = 69668 20975 digits
n = 175532 52844 digits Dec 2002 Anton Oleynick; Proth
n = 497092 149643 digits Jan 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 800640 241020 digits Feb 2011 Siegfried Niklas; PSieve; srsieve; PrimeGrid; LLR
n = 846420 254801 digits Apr 2011 Robert Ślęzak; PSieve; srsieve; PrimeGrid; LLR
n = 989268 297803 digits Jun 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1115708 335865 digits Sep 2011 George Ajayi; PSieve; srsieve; PrimeGrid; LLR
n = 1169088 351934 digits Oct 2011 Ernst Fluttert; PSieve; srsieve; PrimeGrid; LLR
n = 1351932 406975 digits Jan 2012 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 2210260 665358 digits Dec 2015 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
k: 633
max n: 4.622.860
n = 9 6 digits
n = 12 7 digits
n = 21 10 digits
n = 24 11 digits
n = 32 13 digits
n = 45 17 digits
n = 182 58 digits
n = 233 73 digits
n = 252 79 digits
n = 452 139 digits
n = 684 209 digits
n = 1521 461 digits
n = 1524 462 digits
n = 1740 527 digits
n = 2669 807 digits
n = 2688 812 digits
n = 5652 1705 digits
n = 9413 2837 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9593 2891 digits 1993 Harvey Dubner; Dubner Cruncher
n = 18308 5515 digits Oct 1996 Patrick Demichel
n = 29708 8946 digits Jul 1998 Tadashi Taura; Proth
n = 43928 13227 digits
n = 101972 30700 digits Oct 2001 Anton Oleynick; Proth
n = 116993 35222 digits
n = 164598 49552 digits Mar 2002 Anton Oleynick; Proth
n = 227025 68345 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 417624 125721 digits Apr 2007 Steven Harvey; FermFact; OpenPFGW
n = 671129 202033 digits Aug 2009 Kevin Hollings; srsieve; PrimeGrid; LLR
n = 1189809 358171 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1897632 571247 digits Oct 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1925684 579692 digits Oct 2013 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 2007897 604441 digits Apr 2014 Milos Hudec; PSieve; srsieve; PrimeGrid; LLR
n = 2391222 719833 digits Aug 2016 Travis Parker; PSieve; srsieve; PrimeGrid; LLR
k: 635
max n: 4.614.092
n = 3 4 digits
n = 7 5 digits
n = 115 38 digits
n = 133 43 digits
n = 153 49 digits
n = 357 111 digits
n = 763 233 digits
n = 1129 343 digits
n = 1329 403 digits
n = 2977 899 digits
n = 3727 1125 digits
n = 4075 1230 digits
n = 5403 1630 digits
n = 5713 1723 digits
n = 7375 2223 digits 1993 Harvey Dubner; Dubner Cruncher
n = 21213 6389 digits
n = 24997 7528 digits Jul 1998 Tadashi Taura; Proth
n = 39439 11876 digits
n = 48325 14551 digits
n = 66925 20150 digits
n = 71953 21663 digits Sep 1998 David Hanson; Proth
n = 78163 23533 digits
n = 176383 53100 digits Dec 2002 Anton Oleynick; Proth
n = 207667 62517 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 211719 63737 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 310605 93505 digits May 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 325437 97970 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 406653 122418 digits Dec 2006 Steven Harvey; FermFact; OpenPFGW
n = 500689 150726 digits Jun 2008 Ruediger K. Eckhard; LLR
n = 1065463 320740 digits Sep 2011 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
k: 637
max n: 4.623.277
n = 2 4 digits
n = 4 5 digits
n = 14 8 digits
n = 16 8 digits
n = 22 10 digits
n = 54 20 digits
n = 58 21 digits
n = 96 32 digits
n = 102 34 digits
n = 114 38 digits
n = 138 45 digits
n = 186 59 digits
n = 202 64 digits
n = 258 81 digits
n = 304 95 digits
n = 398 123 digits
n = 548 168 digits
n = 882 269 digits
n = 1202 365 digits
n = 2916 881 digits
n = 3084 932 digits
n = 5016 1513 digits
n = 8306 2504 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9418 2838 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12164 3665 digits
n = 15208 4581 digits Feb 1998 Charles F. Kerchner III; Proth
n = 15322 4616 digits Aug 1997 Chris Caldwell; Dubner Cruncher
n = 22106 6658 digits
n = 31194 9394 digits Jul 1998 Tadashi Taura; Proth
n = 38346 11547 digits
n = 39242 11816 digits
n = 53332 16058 digits
n = 55326 16658 digits
n = 132226 39807 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 299478 90155 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 342308 103048 digits Dec 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 426234 128313 digits Aug 2006 Ruediger K. Eckhard; LLR
n = 449304 135257 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 513284 154517 digits Jun 2008 Ruediger K. Eckhard; LLR
n = 810692 244046 digits Feb 2011 Phillip Butler; PSieve; srsieve; PrimeGrid; LLR
n = 1438112 432918 digits Jan 2012 Steven F. Bohl; PSieve; srsieve; PrimeGrid; LLR
n = 2675976 805552 digits Nov 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 639
max n: 4.620.477
n = 1 4 digits
n = 2 4 digits
n = 3 4 digits
n = 6 5 digits
n = 13 7 digits
n = 18 9 digits
n = 22 10 digits
n = 26 11 digits
n = 27 11 digits
n = 31 13 digits
n = 34 14 digits
n = 46 17 digits
n = 50 18 digits
n = 73 25 digits
n = 119 39 digits
n = 187 60 digits
n = 190 61 digits
n = 194 62 digits
n = 199 63 digits
n = 306 95 digits
n = 326 101 digits
n = 358 111 digits
n = 393 122 digits
n = 611 187 digits
n = 663 203 digits
n = 1298 394 digits
n = 1314 399 digits
n = 1329 403 digits
n = 1567 475 digits
n = 2067 626 digits
n = 2146 649 digits
n = 2186 661 digits
n = 2591 783 digits
n = 2689 813 digits
n = 2706 818 digits
n = 3138 948 digits
n = 3330 1006 digits
n = 3483 1052 digits
n = 4509 1361 digits
n = 4714 1422 digits
n = 5602 1690 digits
n = 6679 2014 digits Mar 1996 Patrick Demichel
n = 6699 2020 digits Mar 1996 Patrick Demichel
n = 8877 2676 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9409 2836 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10046 3027 digits
n = 12767 3847 digits
n = 15154 4565 digits Feb 1998 Charles F. Kerchner III; Proth
n = 19234 5793 digits Oct 1996 Patrick Demichel
n = 23341 7030 digits 1996 Patrick Demichel
n = 26631 8020 digits Jul 1998 Tadashi Taura; Proth
n = 32594 9815 digits
n = 36107 10873 digits
n = 42922 12924 digits
n = 58642 17656 digits
n = 70187 21132 digits
n = 70342 21178 digits
n = 72718 21894 digits
n = 74423 22407 digits
n = 78731 23704 digits
n = 84026 25298 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 99090 29832 digits Feb 2002 Göran Axelsson; Proth
n = 100426 30235 digits Oct 2001 Anton Oleynick; Proth
n = 107602 32395 digits Oct 2001 Anton Oleynick; Proth
n = 113391 34137 digits
n = 117607 35407 digits
n = 144059 43369 digits
n = 198039 59619 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 227574 68510 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 247677 74562 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 397790 119750 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 509058 153245 digits Jun 2008 Ruediger K. Eckhard; LLR
n = 623113 187579 digits Apr 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 639554 192528 digits Apr 2009 Mike Ingram; srsieve; PrimeGrid; LLR
n = 710709 213948 digits Feb 2010 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 782159 235457 digits Mar 2010 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 881991 265509 digits May 2011 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 903407 271956 digits Feb 2010 Ruediger K. Eckhard; LLR
n = 1310707 394565 digits Feb 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1848903 556579 digits Sep 2013 PoChun Huang; PSieve; srsieve; PrimeGrid; LLR
n = 1880451 566075 digits Sep 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1945473 585649 digits Oct 2013 Lucas Brandstaetter; PSieve; srsieve; PrimeGrid; LLR
n = 2740186 824881 digits Jul 2019 Kellen Shenton; PSieve; srsieve; PrimeGrid; LLR
n = 3040438 915266 digits May 2021 Brian D. Niegocki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3635707 1094460 digits Jun 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 641
max n: 4.620.458
n = 1 4 digits
n = 11 7 digits
n = 19 9 digits
n = 29 12 digits
n = 123 40 digits
n = 191 61 digits
n = 193 61 digits
n = 195 62 digits
n = 889 271 digits
n = 945 288 digits
n = 1525 462 digits
n = 1693 513 digits
n = 1761 533 digits
n = 4263 1287 digits
n = 11053 3331 digits May 1996 Patrick Demichel
n = 22779 6860 digits
n = 26091 7857 digits Jul 1998 Tadashi Taura; Proth
n = 26729 8050 digits Jul 1998 Tadashi Taura; Proth
n = 36109 10873 digits
n = 70465 21215 digits
n = 83143 25032 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 161831 48719 digits Mar 2002 Anton Oleynick; Proth
n = 214435 64555 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 220869 66492 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 267613 80563 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 399723 120332 digits Mar 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 710331 213834 digits Feb 2010 Pietari Snow; srsieve; PrimeGrid; LLR
n = 1751823 527355 digits Mar 2013 Michal Boruvka; PSieve; srsieve; PrimeGrid; LLR
n = 1952941 587897 digits Oct 2013 Evan Ziemann; PSieve; srsieve; PrimeGrid; LLR
n = 2302879 693239 digits Mar 2016 Andreas Reich; PSieve; srsieve; PrimeGrid; LLR
n = 3464061 1042790 digits Feb 2018 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
k: 643
max n: 4.619.817
n = 4 5 digits
n = 10 6 digits
n = 14 8 digits
n = 40 15 digits
n = 74 26 digits
n = 124 41 digits
n = 280 88 digits
n = 346 107 digits
n = 410 127 digits
n = 604 185 digits
n = 806 246 digits
n = 2318 701 digits
n = 3358 1014 digits
n = 4508 1360 digits
n = 4586 1384 digits
n = 5738 1731 digits
n = 7174 2163 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13006 3919 digits
n = 26798 8070 digits Jul 1998 Tadashi Taura; Proth
n = 36940 11123 digits
n = 38770 11674 digits
n = 39244 11817 digits
n = 51500 15506 digits
n = 59116 17799 digits
n = 157808 47508 digits
n = 237350 71453 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 318958 96019 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 368558 110950 digits Jan 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 371354 111792 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 782318 235504 digits Mar 2010 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 1272644 383107 digits Nov 2011 Jim Foody; PSieve; srsieve; PrimeGrid; LLR
n = 2078306 625636 digits Apr 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3030650 912320 digits May 2021 Brian D. Niegocki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3501974 1054203 digits Mar 2018 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 4082060 1228826 digits Jan 2026 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 645
max n: 4.619.268
n = 1 4 digits
n = 4 5 digits
n = 5 5 digits
n = 6 5 digits
n = 7 5 digits
n = 9 6 digits
n = 11 7 digits
n = 12 7 digits
n = 22 10 digits
n = 34 14 digits
n = 62 22 digits
n = 65 23 digits
n = 70 24 digits
n = 71 25 digits
n = 105 35 digits
n = 113 37 digits
n = 206 65 digits
n = 249 78 digits
n = 284 89 digits
n = 371 115 digits
n = 402 124 digits
n = 437 135 digits
n = 551 169 digits
n = 601 184 digits
n = 613 188 digits
n = 727 222 digits
n = 1337 406 digits
n = 1372 416 digits
n = 1681 509 digits
n = 1739 527 digits
n = 2234 676 digits
n = 2437 737 digits
n = 2827 854 digits
n = 3122 943 digits
n = 3641 1099 digits
n = 3659 1105 digits
n = 3765 1137 digits
n = 3943 1190 digits
n = 4642 1401 digits
n = 5822 1756 digits
n = 6599 1990 digits
n = 7060 2129 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8433 2542 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8557 2579 digits Dec 1993 Harvey Dubner; Dubner Cruncher
n = 9149 2757 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12899 3886 digits
n = 14322 4315 digits Feb 1998 Ray Ballinger; Proth
n = 15322 4616 digits Aug 1997 Chris Caldwell; Dubner Cruncher
n = 16262 4899 digits Feb 1998 Charles F. Kerchner III; Proth
n = 18117 5457 digits Oct 1996 Patrick Demichel
n = 23041 6939 digits 1996 Patrick Demichel
n = 33389 10054 digits
n = 38676 11646 digits
n = 39967 12035 digits
n = 42681 12852 digits
n = 53125 15996 digits
n = 60244 18139 digits
n = 85049 25606 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 122771 36961 digits
n = 193681 58307 digits Sep 2004 John Metcalf; Proth
n = 193726 58321 digits Sep 2004 John Metcalf; Proth
n = 203005 61114 digits Oct 2004 John Metcalf; Proth
n = 219213 65993 digits Dec 2004 John Metcalf; Proth
n = 282710 85107 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 288212 86764 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 359534 108234 digits Jan 2008 Steven Harvey; FermFact; OpenPFGW
n = 536435 161486 digits Jul 2008 Steven Harvey; FermFact; OpenPFGW
n = 580866 174861 digits Mar 2009 Charles Morton; srsieve; PrimeGrid; LLR
n = 591556 178079 digits Mar 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 930940 280244 digits Feb 2011 Ruediger K. Eckhard; LLR
n = 1633521 491742 digits Dec 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1877756 565264 digits Sep 2013 Yuki Yoshigoe; PSieve; srsieve; PrimeGrid; LLR
n = 2320231 698462 digits Apr 2016 Vincent Ollivier; PSieve; srsieve; PrimeGrid; LLR
n = 2426494 730451 digits Nov 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2532811 762455 digits Oct 2017 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 3893849 1172169 digits Feb 2023 Ruben Steinberg; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4290935 1291703 digits Feb 2026 Brandon Wharton; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 647
max n: 4.620.574
n = 15 8 digits
n = 87 30 digits
n = 371 115 digits
n = 707 216 digits
n = 1155 351 digits
n = 2687 812 digits
n = 65535 19731 digits Sep 2000 Chris Monico; Unspecified Proving Program
n = 74535 22441 digits
n = 95831 28851 digits Dec 2001 Göran Axelsson; Proth
n = 141747 42673 digits Aug 2003 John Metcalf; Proth
n = 661991 199282 digits Jul 2009 Gary Desmond; srsieve; PrimeGrid; LLR
n = 1402275 422130 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1461075 439831 digits Feb 2012 Eugeny Mamonov; PSieve; srsieve; PrimeGrid; LLR
n = 4195295 1262913 digits Feb 2026 Jens Katzur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 649
max n: 4.624.245
n = 22 10 digits
n = 166 53 digits
n = 318 99 digits
n = 1162 353 digits
n = 1218 370 digits
n = 1318 400 digits
n = 6642 2003 digits
n = 14290 4305 digits Feb 1998 Ray Ballinger; Proth
n = 58590 17641 digits
n = 77310 23276 digits
n = 99430 29935 digits Feb 2002 Göran Axelsson; Proth
n = 202518 60967 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 259390 78087 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 2247490 676565 digits Jan 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2841318 855325 digits Feb 2020 Greg Miller; PSieve; srsieve; PrimeGrid; LLR
n = 4498870 1354298 digits May 2026 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 651
max n: 4.611.571
n = 1 4 digits
n = 3 4 digits
n = 8 6 digits
n = 16 8 digits
n = 21 10 digits
n = 27 11 digits
n = 32 13 digits
n = 37 14 digits
n = 76 26 digits
n = 89 30 digits
n = 120 39 digits
n = 135 44 digits
n = 163 52 digits
n = 179 57 digits
n = 189 60 digits
n = 217 69 digits
n = 219 69 digits
n = 223 70 digits
n = 783 239 digits
n = 835 255 digits
n = 1132 344 digits
n = 1351 410 digits
n = 2727 824 digits
n = 3000 906 digits
n = 3169 957 digits
n = 3465 1046 digits
n = 5769 1740 digits
n = 6619 1996 digits
n = 9683 2918 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10737 3235 digits
n = 11119 3350 digits May 1996 Patrick Demichel
n = 11159 3363 digits May 1996 Patrick Demichel
n = 13692 4125 digits Feb 1998 Ray Ballinger; Proth
n = 15243 4592 digits Feb 1998 Charles F. Kerchner III; Proth
n = 17260 5199 digits Jul 1996 Patrick Demichel
n = 19623 5910 digits Oct 1996 Patrick Demichel
n = 20360 6132 digits Oct 1996 Patrick Demichel
n = 30065 9054 digits Jun 1998 Ola Svallmark; Proth
n = 30391 9152 digits Mar 1999 Tadashi Taura; Proth
n = 31591 9513 digits Jul 1998 Tadashi Taura; Proth
n = 44983 13545 digits
n = 89883 27061 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 91407 27520 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 121159 36476 digits
n = 121720 36645 digits
n = 165679 49878 digits Mar 2002 Anton Oleynick; Proth
n = 178920 53864 digits Nov 2002 Anton Oleynick; Proth
n = 198647 59802 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 207892 62585 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 231045 69555 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 258292 77757 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 426217 128307 digits Sep 2006 Ruediger K. Eckhard; LLR
n = 442475 133202 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 476632 143484 digits Dec 2008 Eric Ueda; srsieve; PrimeGrid; LLR
n = 509299 153318 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 655935 197459 digits Jun 2009 Alessandro Moreno; srsieve; PrimeGrid; LLR
n = 664899 200158 digits Aug 2009 Gary Desmond; srsieve; PrimeGrid; LLR
n = 734801 221200 digits Feb 2010 Uwe Senftleben; srsieve; PrimeGrid; LLR
n = 813441 244873 digits Feb 2011 Hans Ulrich Hugi; PSieve; srsieve; PrimeGrid; LLR
n = 817732 246165 digits Feb 2011 Jonathan Balza; PSieve; srsieve; PrimeGrid; LLR
n = 858781 258522 digits May 2011 Marcin Kościuk; PSieve; srsieve; PrimeGrid; LLR
n = 1175149 353758 digits Oct 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1493757 449669 digits Feb 2012 Takeshi Nakamura; PSieve; srsieve; PrimeGrid; LLR
n = 1558979 469303 digits Nov 2012 Michal Tatárka; PSieve; srsieve; PrimeGrid; LLR
n = 1621489 488120 digits Dec 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 2034352 612404 digits Apr 2014 Michal Boruvka; PSieve; srsieve; PrimeGrid; LLR
n = 2173159 654189 digits Apr 2014 Roberto Piantoni; PSieve; srsieve; PrimeGrid; LLR
n = 2241783 674847 digits Jan 2016 Konstantin Stanko; PSieve; srsieve; PrimeGrid; LLR
n = 2275040 684859 digits Feb 2016 Sylvanus A. Zimmerman; PSieve; srsieve; PrimeGrid; LLR
n = 3337101 1004571 digits Dec 2016 Konstantin Stanko; PSieve; srsieve; PrimeGrid; LLR
n = 3579843 1077643 digits Dec 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 653
max n: 4.624.136
n = 1 4 digits
n = 5 5 digits
n = 17 8 digits
n = 29 12 digits
n = 89 30 digits
n = 105 35 digits
n = 141 46 digits
n = 149 48 digits
n = 297 93 digits
n = 409 126 digits
n = 1025 312 digits
n = 1041 317 digits
n = 6165 1859 digits
n = 8501 2562 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12529 3775 digits
n = 14885 4484 digits Feb 1998 Ray Ballinger; Proth
n = 29729 8953 digits Jul 1998 Tadashi Taura; Proth
n = 109057 32833 digits Oct 2001 Anton Oleynick; Proth
n = 268569 80851 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 434661 130849 digits Oct 2006 Ruediger K. Eckhard; LLR
n = 737785 222099 digits Feb 2010 Robert Lyons; srsieve; PrimeGrid; LLR
n = 767537 231055 digits Feb 2010 Samuel Fortin; srsieve; PrimeGrid; LLR
n = 1055929 317870 digits Sep 2011 Michel Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 1129481 340011 digits Oct 2011 Tomasz R. Gwiazda; PSieve; srsieve; PrimeGrid; LLR
n = 1377857 414780 digits Jan 2012 Marc Harper; PSieve; srsieve; PrimeGrid; LLR
k: 655
max n: 4.620.487
n = 2 4 digits
n = 22 10 digits
n = 24 11 digits
n = 28 12 digits
n = 30 12 digits
n = 68 24 digits
n = 208 66 digits
n = 230 73 digits
n = 290 91 digits
n = 428 132 digits
n = 612 188 digits
n = 894 272 digits
n = 1498 454 digits
n = 2354 712 digits
n = 5458 1646 digits
n = 5888 1776 digits
n = 12098 3645 digits
n = 18322 5519 digits Oct 1996 Patrick Demichel
n = 19192 5781 digits Oct 1996 Patrick Demichel
n = 22102 6657 digits
n = 31430 9465 digits Jul 1998 Tadashi Taura; Proth
n = 33590 10115 digits
n = 36888 11108 digits
n = 54070 16280 digits
n = 92152 27744 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 132648 39934 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 197224 59374 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 208992 62916 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 620922 186919 digits Apr 2009 Tetsuya Wakayama; srsieve; PrimeGrid; LLR
n = 836294 251753 digits Apr 2011 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 941610 283456 digits Jun 2011 Renato Chagas; PSieve; srsieve; PrimeGrid; LLR
n = 945864 284737 digits Jun 2011 Jan Mihrmeister; PSieve; srsieve; PrimeGrid; LLR
n = 956794 288027 digits Jun 2011 Roman Diestelberger; PSieve; srsieve; PrimeGrid; LLR
n = 2080562 626315 digits Apr 2014 Eric Clifton; PSieve; srsieve; PrimeGrid; LLR
n = 3327518 1001686 digits Nov 2016 Paul Mazumdar; PSieve; srsieve; PrimeGrid; LLR
n = 3653008 1099668 digits Jul 2022 Sylvain Laboisne; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3846352 1157871 digits Dec 2022 Margus Sõmer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4413710 1328662 digits Feb 2026 Brandon Wharton; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 657
max n: 4.620.466
n = 4 5 digits
n = 8 6 digits
n = 11 7 digits
n = 58 21 digits
n = 95 32 digits
n = 100 33 digits
n = 154 50 digits
n = 191 61 digits
n = 335 104 digits
n = 526 162 digits
n = 854 260 digits
n = 968 295 digits
n = 1268 385 digits
n = 1816 550 digits
n = 2678 809 digits
n = 2735 827 digits
n = 3200 967 digits
n = 3424 1034 digits
n = 7883 2376 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17366 5231 digits Jul 1996 Patrick Demichel
n = 18178 5475 digits Oct 1996 Patrick Demichel
n = 26246 7904 digits Jul 1998 Tadashi Taura; Proth
n = 46156 13898 digits
n = 57988 17459 digits Oct 1998 Tadashi Taura; Proth
n = 85391 25709 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 88211 26557 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 89314 26890 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 95476 28744 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 114646 34515 digits
n = 228491 68786 digits Jul 2005 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 295784 89043 digits Mar 2006 Steven Harvey; FermFact; OpenPFGW
n = 298738 89932 digits Mar 2006 Steven Harvey; FermFact; OpenPFGW
n = 519647 156433 digits Apr 2008 Steven Harvey; FermFact; OpenPFGW
n = 793718 238936 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1008364 303551 digits Feb 2011 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1045595 314759 digits Sep 2011 Robert Long; PSieve; srsieve; PrimeGrid; LLR
n = 1148795 345825 digits Oct 2011 John S. Burningham; PSieve; srsieve; PrimeGrid; LLR
n = 1699031 511463 digits Dec 2012 Serge Batalov; PSieve; srsieve; PrimeGrid; LLR
n = 1998854 601718 digits Oct 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2705620 814476 digits Feb 2019 Keith Reinhardt; PSieve; srsieve; PrimeGrid; LLR
k: 659
max n: 4.617.458
n = 1 4 digits
n = 3 4 digits
n = 5 5 digits
n = 13 7 digits
n = 15 8 digits
n = 23 10 digits
n = 35 14 digits
n = 47 17 digits
n = 57 20 digits
n = 83 28 digits
n = 95 32 digits
n = 145 47 digits
n = 149 48 digits
n = 175 56 digits
n = 179 57 digits
n = 255 80 digits
n = 289 90 digits
n = 377 117 digits
n = 495 152 digits
n = 597 183 digits
n = 775 237 digits
n = 815 249 digits
n = 845 258 digits
n = 1055 321 digits
n = 1193 362 digits
n = 1221 371 digits
n = 1231 374 digits
n = 1255 381 digits
n = 1511 458 digits
n = 1619 491 digits
n = 2163 654 digits
n = 2521 762 digits
n = 2689 813 digits
n = 3235 977 digits
n = 3311 1000 digits
n = 7553 2277 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7607 2293 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8065 2431 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8947 2697 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9861 2972 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12595 3795 digits
n = 15863 4779 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16171 4871 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16543 4983 digits Mar 1998 Charles F. Kerchner III; Proth
n = 18199 5482 digits Oct 1996 Patrick Demichel
n = 21769 6556 digits
n = 25245 7603 digits May 1998 Ray Ballinger; Proth
n = 30437 9166 digits Mar 1999 Tadashi Taura; Proth
n = 31761 9564 digits Jul 1998 Tadashi Taura; Proth
n = 43231 13017 digits
n = 43969 13239 digits
n = 47577 14325 digits
n = 57167 17212 digits
n = 65303 19661 digits Oct 1999 Alan W. Altman; Proth
n = 76949 23167 digits
n = 80949 24371 digits
n = 106055 31929 digits Oct 2001 Anton Oleynick; Proth
n = 128379 38649 digits
n = 190947 57484 digits Nov 2002 Richard D Parry Jr; Proth
n = 204273 61496 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 209587 63095 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 347307 104553 digits Aug 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 471751 142015 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 508117 152962 digits Apr 2008 Steven Harvey; FermFact; OpenPFGW
n = 570903 171862 digits Mar 2009 Lucas Hill; srsieve; PrimeGrid; LLR
n = 592243 178286 digits Mar 2009 Michael E. Jones; srsieve; PrimeGrid; LLR
n = 617815 185984 digits Apr 2009 Eric Embling; srsieve; PrimeGrid; LLR
n = 656845 197733 digits Jun 2009 Patrick Keller; srsieve; PrimeGrid; LLR
n = 714431 215068 digits Feb 2010 Frank Schneider; srsieve; PrimeGrid; LLR
n = 912723 274760 digits Feb 2010 Ruediger K. Eckhard; LLR
n = 1414237 425731 digits Feb 2012 Yuriy Bogachov; PSieve; srsieve; PrimeGrid; LLR
n = 1595363 480255 digits Nov 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1808691 544474 digits Sep 2013 Jacques Haymoz; PSieve; srsieve; PrimeGrid; LLR
n = 2058623 619711 digits Apr 2014 Jara Cimrman; PSieve; srsieve; PrimeGrid; LLR
n = 2294393 690684 digits Feb 2016 Benjamin Glasgow; PSieve; srsieve; PrimeGrid; LLR
n = 2372657 714244 digits Jul 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2397567 721743 digits Aug 2016 Ryuji Miyauchi; PSieve; srsieve; PrimeGrid; LLR
n = 3327371 1001642 digits Nov 2016 Dejana Ristic; PSieve; srsieve; PrimeGrid; LLR
n = 4627699 1393080 digits Jun 2026 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 661
max n: 4.623.335
n = 8 6 digits
n = 12 7 digits
n = 80 27 digits
n = 84 29 digits
n = 248 78 digits
n = 1676 508 digits
n = 7848 2366 digits 1993 Harvey Dubner; Dubner Cruncher
n = 24396 7347 digits Jul 1998 Tadashi Taura; Proth
n = 43076 12970 digits
n = 67068 20193 digits
n = 72564 21847 digits
n = 264272 79557 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 1802024 542467 digits Aug 2013 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
k: 663
max n: 4.618.212
n = 1 4 digits
n = 6 5 digits
n = 12 7 digits
n = 13 7 digits
n = 18 9 digits
n = 22 10 digits
n = 24 11 digits
n = 30 12 digits
n = 48 18 digits
n = 132 43 digits
n = 169 54 digits
n = 238 75 digits
n = 265 83 digits
n = 346 107 digits
n = 840 256 digits
n = 1041 317 digits
n = 1206 366 digits
n = 1222 371 digits
n = 1324 402 digits
n = 1326 402 digits
n = 1408 427 digits
n = 1674 507 digits
n = 1812 549 digits
n = 2194 664 digits
n = 2644 799 digits
n = 2725 824 digits
n = 2953 892 digits
n = 3769 1138 digits
n = 4270 1289 digits
n = 4480 1352 digits
n = 6222 1876 digits
n = 11073 3337 digits May 1996 Patrick Demichel
n = 12108 3648 digits
n = 12360 3724 digits
n = 16780 5055 digits May 1996 Patrick Demichel
n = 17764 5351 digits Jul 1996 Patrick Demichel
n = 29598 8913 digits Jul 1998 Tadashi Taura; Proth
n = 35310 10633 digits
n = 44161 13297 digits
n = 49269 14835 digits
n = 58104 17494 digits May 1999 David Hanson; Proth
n = 63109 19001 digits
n = 108342 32618 digits Oct 2001 Anton Oleynick; Proth
n = 112872 33981 digits
n = 274332 82585 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 287262 86478 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 333942 100530 digits Jul 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 386653 116397 digits Nov 2007 Steven Harvey; FermFact; OpenPFGW
n = 392224 118075 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 411265 123806 digits Jun 2007 Steven Harvey; FermFact; OpenPFGW
n = 828613 249441 digits Apr 2011 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 919212 276714 digits Oct 2009 Ruediger K. Eckhard; LLR
n = 1113450 335185 digits Sep 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 2542990 765520 digits Nov 2017 Andrea Pacini; PSieve; srsieve; PrimeGrid; LLR
n = 3390469 1020636 digits Apr 2017 Rolf Henrik Nilsson; PSieve; srsieve; PrimeGrid; LLR
k: 665
max n: 4.622.158
n = 7 5 digits
n = 9 6 digits
n = 23 10 digits
n = 143 46 digits
n = 345 107 digits
n = 3199 966 digits
n = 4807 1450 digits
n = 4957 1496 digits
n = 10513 3168 digits
n = 40569 12216 digits
n = 46377 13964 digits
n = 51577 15530 digits
n = 258637 77861 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 413329 124428 digits Jun 2007 Steven Harvey; FermFact; OpenPFGW
n = 774337 233102 digits Feb 2010 Satoshi Matsumoto; srsieve; PrimeGrid; LLR
n = 981093 295342 digits Jun 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1289005 388032 digits Nov 2011 Łukasz Pecio; PSieve; srsieve; PrimeGrid; LLR
n = 1769303 532617 digits Mar 2013 Tarmo Ilves; PSieve; srsieve; PrimeGrid; LLR
n = 2425789 730239 digits Nov 2016 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 2869847 863913 digits May 2020 Henning Busacker; PSieve; srsieve; PrimeGrid; LLR
k: 667
max n: 4.623.331
n = 6 5 digits
n = 32 13 digits
n = 46 17 digits
n = 200 64 digits
n = 214 68 digits
n = 374 116 digits
n = 660 202 digits
n = 822 251 digits
n = 1172 356 digits
n = 2532 766 digits
n = 2624 793 digits
n = 9894 2982 digits 1993 Harvey Dubner; Dubner Cruncher
n = 41806 12588 digits
n = 59366 17874 digits
n = 61782 18602 digits
n = 142812 42994 digits
n = 143784 43287 digits
n = 261776 78806 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 267276 80461 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 306606 92301 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 389072 117126 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 1010424 304171 digits Mar 2011 David Glogau; PSieve; srsieve; PrimeGrid; LLR
n = 2394430 720799 digits Aug 2016 Lars Fricke; PSieve; srsieve; PrimeGrid; LLR
k: 669
max n: 4.617.230
n = 2 4 digits
n = 10 6 digits
n = 11 7 digits
n = 22 10 digits
n = 26 11 digits
n = 27 11 digits
n = 30 12 digits
n = 34 14 digits
n = 38 15 digits
n = 50 18 digits
n = 54 20 digits
n = 102 34 digits
n = 111 37 digits
n = 131 43 digits
n = 175 56 digits
n = 226 71 digits
n = 230 73 digits
n = 233 73 digits
n = 266 83 digits
n = 314 98 digits
n = 323 101 digits
n = 333 104 digits
n = 418 129 digits
n = 458 141 digits
n = 483 149 digits
n = 578 177 digits
n = 831 253 digits
n = 933 284 digits
n = 1414 429 digits
n = 1677 508 digits
n = 2242 678 digits
n = 2314 700 digits
n = 3230 976 digits
n = 5206 1570 digits
n = 8551 2577 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9018 2718 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9451 2848 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10815 3259 digits
n = 12138 3657 digits
n = 12905 3888 digits
n = 16915 5095 digits May 1996 Patrick Demichel
n = 18486 5568 digits Oct 1996 Patrick Demichel
n = 19805 5965 digits Oct 1996 Patrick Demichel
n = 20358 6132 digits Oct 1996 Patrick Demichel
n = 32981 9932 digits Aug 1998 David Hanson; Proth
n = 38525 11601 digits
n = 43191 13005 digits
n = 43421 13074 digits
n = 44691 13457 digits Oct 2001 Göran Axelsson; Proth
n = 50646 15249 digits Jun 1998 David Hanson; Proth
n = 56138 16903 digits
n = 63075 18991 digits
n = 70507 21228 digits
n = 74107 22312 digits
n = 76298 22971 digits
n = 95337 28703 digits May 1996 Patrick Demichel
n = 111758 33646 digits
n = 126225 38001 digits
n = 128454 38672 digits Jul 1999 Kazuyoshi Asao; Proth
n = 152983 46056 digits
n = 175785 52920 digits Dec 2002 Anton Oleynick; Proth
n = 226926 68315 digits Jul 2005 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 337994 101750 digits Dec 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 541685 163067 digits Feb 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 866567 260866 digits May 2011 Bernhard Frey; PSieve; srsieve; PrimeGrid; LLR
n = 1857223 559083 digits Sep 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1995918 600835 digits Nov 2013 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 3606266 1085598 digits Feb 2019 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
k: 671
max n: 4.620.562
n = 7 5 digits
n = 11 7 digits
n = 19 9 digits
n = 23 10 digits
n = 29 12 digits
n = 107 36 digits
n = 151 49 digits
n = 155 50 digits
n = 253 79 digits
n = 275 86 digits
n = 325 101 digits
n = 541 166 digits
n = 829 253 digits
n = 1783 540 digits
n = 2935 887 digits
n = 3079 930 digits
n = 10823 3261 digits
n = 11483 3460 digits
n = 16763 5049 digits May 1996 Patrick Demichel
n = 16955 5107 digits Mar 1998 Charles F. Kerchner III; Proth
n = 1137467 342415 digits Oct 2011 Claude Dulaurens; PSieve; srsieve; PrimeGrid; LLR
n = 3159523 951115 digits Jan 2022 Steven Wong; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3185411 958908 digits Feb 2022 Paweł Dec; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 673
max n: 4.620.915
n = 2 4 digits
n = 12 7 digits
n = 16 8 digits
n = 40 15 digits
n = 62 22 digits
n = 72 25 digits
n = 122 40 digits
n = 306 95 digits
n = 406 126 digits
n = 520 160 digits
n = 1062 323 digits
n = 2066 625 digits
n = 2152 651 digits
n = 3232 976 digits
n = 4446 1342 digits
n = 6058 1827 digits
n = 7406 2233 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14918 4494 digits Feb 1998 Ray Ballinger; Proth
n = 14978 4512 digits Feb 1998 Ray Ballinger; Proth
n = 17328 5220 digits Jul 1996 Patrick Demichel
n = 21306 6417 digits
n = 29746 8958 digits Jul 1998 Tadashi Taura; Proth
n = 32368 9747 digits
n = 49806 14996 digits
n = 65066 19590 digits
n = 77702 23394 digits
n = 86862 26151 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 570898 171861 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 1241262 373660 digits Nov 2011 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 1492542 449303 digits Feb 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1954456 588353 digits Oct 2013 Steven Bielecki; PSieve; srsieve; PrimeGrid; LLR
n = 2403606 723561 digits Sep 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2547226 766795 digits Dec 2017 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 3330436 1002564 digits Nov 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 4450598 1339767 digits Mar 2026 Hideyasu Kawamura; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 675
max n: 4.618.606
n = 5 5 digits
n = 6 5 digits
n = 8 6 digits
n = 9 6 digits
n = 14 8 digits
n = 15 8 digits
n = 21 10 digits
n = 26 11 digits
n = 116 38 digits
n = 174 56 digits
n = 321 100 digits
n = 590 181 digits
n = 662 203 digits
n = 825 252 digits
n = 1076 327 digits
n = 1508 457 digits
n = 1679 509 digits
n = 1832 555 digits
n = 2319 701 digits
n = 2409 729 digits
n = 2661 804 digits
n = 2762 835 digits
n = 3068 927 digits
n = 3110 940 digits
n = 3849 1162 digits
n = 3968 1198 digits
n = 4011 1211 digits
n = 4820 1454 digits
n = 7131 2150 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9042 2725 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12081 3640 digits
n = 36545 11004 digits
n = 53612 16142 digits Sep 1998 Tadashi Taura; Proth
n = 56534 17022 digits Sep 1998 Tadashi Taura; Proth
n = 75015 22585 digits
n = 80432 24216 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 83615 25174 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 105494 31760 digits Oct 2001 Anton Oleynick; Proth
n = 122696 36939 digits
n = 126045 37947 digits
n = 150506 45310 digits
n = 168930 50856 digits Feb 2002 Anton Oleynick; Proth
n = 178017 53592 digits Dec 2002 Anton Oleynick; Proth
n = 216638 65218 digits
n = 280842 84545 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 282848 85149 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 347154 104507 digits Aug 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 447966 134855 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 1386270 417312 digits Jan 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 1429386 430291 digits Jan 2012 Kennichi Uehara; PSieve; srsieve; PrimeGrid; LLR
n = 1632285 491370 digits Dec 2012 Konstantin Stanko; PSieve; srsieve; PrimeGrid; LLR
n = 1945232 585577 digits Nov 2013 Sandor Hasznos; PSieve; srsieve; PrimeGrid; LLR
n = 2053578 618192 digits Apr 2014 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 2236244 673180 digits Jan 2016 Lawrence Mahan; PSieve; srsieve; PrimeGrid; LLR
n = 2805669 844594 digits Sep 2019 Stefan Dragnev; PSieve; srsieve; PrimeGrid; LLR
n = 3606447 1085652 digits Feb 2019 JanPeter Fischer; PSieve; srsieve; PrimeGrid; LLR
n = 3682616 1108581 digits Jul 2022 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 677
max n: 4.623.102
n = 3 4 digits
n = 63 22 digits
n = 127 42 digits
n = 547 168 digits
n = 823 251 digits
n = 6663 2009 digits Mar 1996 Patrick Demichel
n = 11767 3546 digits
n = 46035 13861 digits
n = 51235 15427 digits
n = 85695 25800 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 480447 144632 digits Dec 2008 Jim Foody; srsieve; PrimeGrid; LLR
n = 3063403 922180 digits Jul 2021 Kyle Polansky; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3369115 1014208 digits Feb 2017 Wolfgang Schmidt; PSieve; srsieve; PrimeGrid; LLR
k: 679
max n: 4.622.129
n = 6 5 digits
n = 10 6 digits
n = 538 165 digits
n = 1150 350 digits
n = 1650 500 digits
n = 6934 2091 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7794 2350 digits 1993 Harvey Dubner; Dubner Cruncher
n = 22506 6778 digits
n = 31278 9419 digits Jul 1998 Tadashi Taura; Proth
n = 31998 9636 digits Jul 1998 Tadashi Taura; Proth
n = 37374 11254 digits
n = 59278 17848 digits
n = 155046 46677 digits
n = 1824918 549358 digits Sep 2013 Lonnie Christensen; PSieve; srsieve; PrimeGrid; LLR
n = 2511814 756135 digits Aug 2017 Jonathan Connaughty; PSieve; srsieve; PrimeGrid; LLR
k: 681
max n: 4.617.840
n = 3 4 digits
n = 8 6 digits
n = 13 7 digits
n = 27 11 digits
n = 31 13 digits
n = 37 14 digits
n = 48 18 digits
n = 73 25 digits
n = 111 37 digits
n = 223 70 digits
n = 269 84 digits
n = 301 94 digits
n = 888 271 digits
n = 2203 667 digits
n = 2699 816 digits
n = 2743 829 digits
n = 2787 842 digits
n = 3901 1178 digits
n = 5723 1726 digits
n = 5888 1776 digits
n = 6259 1887 digits
n = 7823 2358 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8048 2426 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12808 3859 digits
n = 12811 3860 digits
n = 14681 4423 digits Feb 1998 Ray Ballinger; Proth
n = 21744 6549 digits Oct 1996 Patrick Demichel
n = 23071 6948 digits 1996 Patrick Demichel
n = 110547 33281 digits
n = 250661 75460 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 351432 105795 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 374177 112642 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 655393 197296 digits Jun 2009 Robert M Weis; srsieve; PrimeGrid; LLR
n = 823771 247983 digits Apr 2011 Devin CorrRobinett; PSieve; srsieve; PrimeGrid; LLR
n = 1839269 553678 digits Sep 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 3553141 1069605 digits Sep 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 683
max n: 4.622.080
n = 1 4 digits
n = 9 6 digits
n = 17 8 digits
n = 33 13 digits
n = 53 19 digits
n = 73 25 digits
n = 201 64 digits
n = 313 98 digits
n = 441 136 digits
n = 461 142 digits
n = 701 214 digits
n = 889 271 digits
n = 3689 1114 digits
n = 4493 1356 digits
n = 6297 1899 digits
n = 8541 2574 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12717 3832 digits
n = 16233 4890 digits Feb 1998 Charles F. Kerchner III; Proth
n = 70621 21262 digits
n = 110821 33364 digits
n = 658857 198339 digits Jun 2009 Robert M Weis; srsieve; PrimeGrid; LLR
n = 2909217 875765 digits Dec 2020 Jordan Romaidis; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3262037 981974 digits Jun 2022 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3962937 1192966 digits Mar 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 685
max n: 4.623.103
n = 2 4 digits
n = 8 6 digits
n = 16 8 digits
n = 20 9 digits
n = 38 15 digits
n = 124 41 digits
n = 266 83 digits
n = 662 203 digits
n = 968 295 digits
n = 1076 327 digits
n = 1910 578 digits
n = 4684 1413 digits
n = 4946 1492 digits
n = 6344 1913 digits
n = 6496 1959 digits
n = 19910 5997 digits Oct 1996 Patrick Demichel
n = 27716 8347 digits Jun 1998 David Hanson; Proth
n = 41632 12536 digits
n = 53198 16018 digits
n = 60314 18160 digits
n = 65528 19729 digits
n = 72230 21747 digits
n = 106924 32191 digits Oct 2001 Anton Oleynick; Proth
n = 240782 72486 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 260558 78439 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 298160 89758 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 427076 128566 digits Nov 2006 Ruediger K. Eckhard; LLR
n = 519476 156381 digits Apr 2008 Steven Harvey; FermFact; OpenPFGW
n = 597544 179882 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 746258 224649 digits Feb 2010 Patrick Leitch; srsieve; PrimeGrid; LLR
n = 836776 251898 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 3847268 1158146 digits Dec 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3856790 1161013 digits Jan 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 687
max n: 4.623.089
n = 2 4 digits
n = 4 5 digits
n = 6 5 digits
n = 8 6 digits
n = 10 6 digits
n = 34 14 digits
n = 62 22 digits
n = 67 24 digits
n = 138 45 digits
n = 404 125 digits
n = 579 178 digits
n = 895 273 digits
n = 1254 381 digits
n = 2864 865 digits
n = 3124 944 digits
n = 3624 1094 digits
n = 3698 1117 digits
n = 4376 1321 digits
n = 5847 1763 digits
n = 7310 2204 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9288 2799 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12595 3795 digits
n = 14240 4290 digits Feb 1998 Ray Ballinger; Proth
n = 21586 6501 digits Oct 1996 Patrick Demichel
n = 23199 6987 digits 1996 Patrick Demichel
n = 39980 12039 digits
n = 80778 24320 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 135218 40708 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 136044 40957 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 157983 47561 digits
n = 196544 59169 digits Apr 2005 John Metcalf; NewPGen; LLR
n = 201108 60543 digits May 2005 John Metcalf; NewPGen; LLR
n = 213366 64233 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 366267 110261 digits Jan 2008 Steven Harvey; FermFact; OpenPFGW
n = 652368 196386 digits May 2009 Simon Yakovlev; srsieve; PrimeGrid; LLR
n = 822876 247714 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 847836 255227 digits Apr 2011 Damian Peter Shaw; PSieve; srsieve; PrimeGrid; LLR
n = 1496330 450444 digits Feb 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1522087 458197 digits Oct 2012 Tod Slakans; PSieve; srsieve; PrimeGrid; LLR
n = 1739343 523598 digits Jan 2013 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1891730 569471 digits Oct 2013 Marian Vicena; PSieve; srsieve; PrimeGrid; LLR
n = 2100243 632239 digits Apr 2014 Dirk Träbert; PSieve; srsieve; PrimeGrid; LLR
n = 3955918 1190853 digits Feb 2023 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 689
max n: 4.620.914
n = 15 8 digits
n = 27 11 digits
n = 51 19 digits
n = 267 84 digits
n = 395 122 digits
n = 753 230 digits
n = 963 293 digits
n = 1167 355 digits
n = 3195 965 digits
n = 7703 2322 digits 1993 Harvey Dubner; Dubner Cruncher
n = 38663 11642 digits
n = 71375 21489 digits
n = 99041 29818 digits Feb 2002 Göran Axelsson; Proth
n = 447551 134730 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 1165785 350940 digits Oct 2011 Daniele Gordini; PSieve; srsieve; PrimeGrid; LLR
n = 1651563 497173 digits Dec 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 3311423 996841 digits Jul 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 691
max n: 4.620.903
n = 4 5 digits
n = 28 12 digits
n = 124 41 digits
n = 244 77 digits
n = 2548 770 digits
n = 7308 2203 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17428 5250 digits Jul 1996 Patrick Demichel
n = 29044 8746 digits Jul 1998 Tadashi Taura; Proth
n = 46188 13907 digits
n = 207120 62353 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 211756 63748 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 252208 75926 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 522556 157308 digits Jun 2008 Steven Harvey; FermFact; OpenPFGW
n = 748900 225445 digits Feb 2010 Kai Strang; srsieve; PrimeGrid; LLR
n = 1255260 377874 digits Nov 2011 Виктор Фоменко; PSieve; srsieve; PrimeGrid; LLR
n = 1279212 385085 digits Nov 2011 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1804332 543161 digits Sep 2013 Jacques Haymoz; PSieve; srsieve; PrimeGrid; LLR
k: 693
max n: 4.619.784
n = 8 6 digits
n = 13 7 digits
n = 32 13 digits
n = 45 17 digits
n = 56 20 digits
n = 69 24 digits
n = 77 27 digits
n = 92 31 digits
n = 97 33 digits
n = 153 49 digits
n = 169 54 digits
n = 266 83 digits
n = 276 86 digits
n = 281 88 digits
n = 368 114 digits
n = 716 219 digits
n = 741 226 digits
n = 762 233 digits
n = 825 252 digits
n = 882 269 digits
n = 1250 380 digits
n = 1466 445 digits
n = 1597 484 digits
n = 1674 507 digits
n = 1705 517 digits
n = 2570 777 digits
n = 2796 845 digits
n = 3821 1154 digits
n = 7250 2186 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13121 3953 digits
n = 15480 4663 digits Feb 1998 Charles F. Kerchner III; Proth
n = 18825 5670 digits Jul 1998 Ray Ballinger; Proth
n = 29245 8807 digits Jul 1998 Tadashi Taura; Proth
n = 37922 11419 digits
n = 38717 11658 digits
n = 68801 20715 digits
n = 69045 20788 digits
n = 72456 21815 digits
n = 107025 32221 digits Nov 2001 Anton Oleynick; Proth
n = 163185 49127 digits Apr 2002 Anton Oleynick; Proth
n = 268109 80712 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 324720 97754 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 428957 129132 digits Nov 2006 Ruediger K. Eckhard; LLR
n = 639986 192658 digits May 2009 Mark Codding; srsieve; PrimeGrid; LLR
n = 738121 222200 digits Feb 2010 Kohei Imai; srsieve; PrimeGrid; LLR
n = 801525 241286 digits Feb 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 927356 279165 digits Mar 2011 Ruediger K. Eckhard; LLR
n = 1685544 507403 digits Dec 2012 Oleksandr Vynogradov; PSieve; srsieve; PrimeGrid; LLR
n = 1811517 545324 digits Sep 2013 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 1881882 566506 digits Sep 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2072564 623907 digits Apr 2014 Pavel Bednar; PSieve; srsieve; PrimeGrid; LLR
n = 2121393 638606 digits Apr 2014 JanPeter Fischer; PSieve; srsieve; PrimeGrid; LLR
n = 2147024 646322 digits Apr 2014 Dirk Gudenschwager; PSieve; srsieve; PrimeGrid; LLR
n = 2547752 766953 digits Dec 2017 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 2605905 784459 digits Jul 2018 Viktor Svantner; PSieve; srsieve; PrimeGrid; LLR
n = 2623557 789773 digits Aug 2018 JanPeter Fischer; PSieve; srsieve; PrimeGrid; LLR
n = 2728537 821375 digits May 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2921528 879471 digits Jan 2021 Wayne K Ford; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 695
max n: 4.625.936
n = 9 6 digits
n = 11 7 digits
n = 91 31 digits
n = 149 48 digits
n = 449 139 digits
n = 701 214 digits
n = 1011 308 digits
n = 1147 349 digits
n = 1301 395 digits
n = 2147 650 digits
n = 3465 1046 digits
n = 7443 2244 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11097 3344 digits May 1996 Patrick Demichel
n = 12155 3662 digits
n = 15917 4795 digits Feb 1998 Charles F. Kerchner III; Proth
n = 17861 5380 digits Jul 1996 Patrick Demichel
n = 19169 5774 digits Oct 1996 Patrick Demichel
n = 41491 12493 digits
n = 81369 24498 digits
n = 158553 47733 digits
n = 189585 57074 digits Apr 2005 John Metcalf; NewPGen; LLR
n = 193469 58243 digits Apr 2005 John Metcalf; NewPGen; LLR
n = 208085 62643 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 254045 76479 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 376277 113274 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 431757 129975 digits Jan 2007 Ruediger K. Eckhard; LLR
n = 789705 237728 digits Sep 2010 Steve Martin; srsieve; PrimeGrid; LLR
n = 1560515 469765 digits Nov 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1742755 524625 digits Jan 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 4553531 1370753 digits May 2026 Charlie McDonald; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 697
max n: 4.615.487
n = 2 4 digits
n = 24 11 digits
n = 30 12 digits
n = 38 15 digits
n = 64 23 digits
n = 118 39 digits
n = 160 52 digits
n = 174 56 digits
n = 208 66 digits
n = 232 73 digits
n = 268 84 digits
n = 314 98 digits
n = 624 191 digits
n = 750 229 digits
n = 1128 343 digits
n = 1430 434 digits
n = 2158 653 digits
n = 2948 891 digits
n = 3330 1006 digits
n = 3372 1018 digits
n = 4258 1285 digits
n = 8748 2637 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10164 3063 digits
n = 14288 4304 digits Feb 1998 Ray Ballinger; Proth
n = 16238 4891 digits Feb 1998 Charles F. Kerchner III; Proth
n = 37424 11269 digits Mar 1998 David Hanson; Proth
n = 42842 12900 digits
n = 86520 26048 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 100122 30143 digits Nov 2001 Anton Oleynick; Proth
n = 121374 36541 digits
n = 154472 46504 digits
n = 163432 49201 digits Apr 2002 Anton Oleynick; Proth
n = 530150 159594 digits Jul 2008 Steven Harvey; FermFact; OpenPFGW
n = 637234 191830 digits May 2009 Anonymous; srsieve; PrimeGrid; LLR
n = 3229518 972185 digits Apr 2022 Richard Cervelle; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4146780 1248309 digits Feb 2026 Glenn Hall; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 699
max n: 4.618.477
n = 1 4 digits
n = 2 4 digits
n = 5 5 digits
n = 10 6 digits
n = 13 7 digits
n = 31 13 digits
n = 38 15 digits
n = 41 16 digits
n = 85 29 digits
n = 119 39 digits
n = 125 41 digits
n = 199 63 digits
n = 202 64 digits
n = 218 69 digits
n = 263 83 digits
n = 295 92 digits
n = 311 97 digits
n = 470 145 digits
n = 674 206 digits
n = 782 239 digits
n = 1265 384 digits
n = 1270 386 digits
n = 2231 675 digits
n = 2377 719 digits
n = 7631 2301 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7822 2358 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13583 4092 digits Feb 1998 Ray Ballinger; Proth
n = 14671 4420 digits Feb 1998 Ray Ballinger; Proth
n = 22303 6717 digits 1996 Patrick Demichel
n = 46543 14014 digits Jul 2000 Thom Adams; Proth
n = 61922 18644 digits
n = 63913 19243 digits
n = 75002 22581 digits
n = 142423 42877 digits
n = 185770 55926 digits
n = 420743 126660 digits Nov 2006 Ruediger K. Eckhard; LLR
n = 431402 129868 digits Jan 2007 Ruediger K. Eckhard; LLR
n = 467839 140837 digits Dec 2008 Paul Steffener; srsieve; PrimeGrid; LLR
n = 570581 171765 digits Mar 2009 Simon Yakovlev; srsieve; PrimeGrid; LLR
n = 877511 264160 digits May 2011 Ossi Mauno; PSieve; srsieve; PrimeGrid; LLR
n = 907870 273299 digits Jan 2010 Ruediger K. Eckhard; LLR
n = 1143143 344124 digits Oct 2011 Yusup Khadjiyev; PSieve; srsieve; PrimeGrid; LLR
n = 1200343 361343 digits Nov 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1535678 462288 digits Nov 2012 Mike Parker; PSieve; srsieve; PrimeGrid; LLR
n = 1674293 504016 digits Dec 2012 Toshiya Satoh; PSieve; srsieve; PrimeGrid; LLR
n = 2175031 654753 digits Apr 2014 Paulo Silva; PSieve; srsieve; PrimeGrid; LLR
n = 3023263 910096 digits May 2021 Thurmond Harvey; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3487253 1049771 digits Feb 2018 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 3974045 1196310 digits Mar 2023 Howard Shi; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4295654 1293124 digits Feb 2026 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 701
max n: 4.622.406
n = 5 5 digits
n = 29 12 digits
n = 39 15 digits
n = 55 20 digits
n = 69 24 digits
n = 75 26 digits
n = 85 29 digits
n = 91 31 digits
n = 95 32 digits
n = 119 39 digits
n = 147 48 digits
n = 157 51 digits
n = 169 54 digits
n = 203 64 digits
n = 219 69 digits
n = 291 91 digits
n = 407 126 digits
n = 603 185 digits
n = 723 221 digits
n = 813 248 digits
n = 817 249 digits
n = 1257 382 digits
n = 1377 418 digits
n = 1443 438 digits
n = 2261 684 digits
n = 3691 1114 digits
n = 3775 1140 digits
n = 8121 2448 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9063 2732 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10683 3219 digits
n = 14225 4285 digits Feb 1998 Ray Ballinger; Proth
n = 16475 4963 digits Mar 1998 Charles F. Kerchner III; Proth
n = 17339 5223 digits Jul 1996 Patrick Demichel
n = 37409 11265 digits
n = 49403 14875 digits
n = 54839 16512 digits
n = 56539 17023 digits
n = 107829 32463 digits Oct 2001 Anton Oleynick; Proth
n = 111039 33429 digits Jan 2003 Michael Richard Eaton; Proth
n = 133659 40239 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 198631 59797 digits May 2005 John Metcalf; NewPGen; LLR
n = 425957 128229 digits Dec 2006 Ruediger K. Eckhard; LLR
n = 452363 136178 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 923455 277991 digits Jun 2010 Ruediger K. Eckhard; LLR
n = 931653 280459 digits Jun 2010 Ruediger K. Eckhard; LLR
n = 1129531 340026 digits Oct 2011 Michael R. McPherson; PSieve; srsieve; PrimeGrid; LLR
n = 1455225 438070 digits Feb 2012 Atsushi Nagasawa; PSieve; srsieve; PrimeGrid; LLR
n = 2035955 612887 digits Apr 2014 Carlos Loureiro; PSieve; srsieve; PrimeGrid; LLR
n = 2169041 652950 digits Apr 2014 Karyn WaldenForrest; PSieve; srsieve; PrimeGrid; LLR
n = 2750267 827916 digits Jul 2019 Bill Cavnaugh; PSieve; srsieve; PrimeGrid; LLR
n = 2867141 863099 digits Jun 2020 James Steichen; PSieve; srsieve; PrimeGrid; LLR
n = 3479779 1047521 digits Feb 2018 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 3744713 1127274 digits Aug 2022 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 703
max n: 4.622.867
n = 8 6 digits
n = 14 8 digits
n = 26 11 digits
n = 44 17 digits
n = 48 18 digits
n = 92 31 digits
n = 164 53 digits
n = 326 101 digits
n = 1064 324 digits
n = 2192 663 digits
n = 9756 2940 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10352 3120 digits
n = 12974 3909 digits
n = 18332 5522 digits Oct 1996 Patrick Demichel
n = 19976 6017 digits Oct 1996 Patrick Demichel
n = 188762 56826 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 224084 67459 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 376068 113211 digits Jul 2007 Steven Harvey; FermFact; OpenPFGW
n = 437132 131593 digits Jan 2007 Ruediger K. Eckhard; LLR
n = 809204 243598 digits Feb 2011 Kosei Ueda; PSieve; srsieve; PrimeGrid; LLR
n = 1208892 363916 digits Nov 2011 Lonnie Christensen; PSieve; srsieve; PrimeGrid; LLR
n = 1353866 407558 digits Jan 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1542084 464217 digits Nov 2012 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1572182 473277 digits Nov 2012 Toshiya Satoh; PSieve; srsieve; PrimeGrid; LLR
n = 2446472 736465 digits Jan 2017 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 2586728 778686 digits May 2018 Jan Gniesmer; PSieve; srsieve; PrimeGrid; LLR
k: 705
max n: 4.620.687
n = 3 4 digits
n = 6 5 digits
n = 10 6 digits
n = 18 9 digits
n = 36 14 digits
n = 51 19 digits
n = 54 20 digits
n = 84 29 digits
n = 103 34 digits
n = 108 36 digits
n = 109 36 digits
n = 111 37 digits
n = 171 55 digits
n = 190 61 digits
n = 279 87 digits
n = 301 94 digits
n = 304 95 digits
n = 319 99 digits
n = 571 175 digits
n = 1128 343 digits
n = 1698 514 digits
n = 1978 599 digits
n = 3004 908 digits
n = 3343 1010 digits
n = 3421 1033 digits
n = 3658 1105 digits
n = 4194 1266 digits
n = 5151 1554 digits
n = 6334 1910 digits
n = 7530 2270 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7948 2396 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10776 3247 digits
n = 15234 4589 digits Feb 1998 Charles F. Kerchner III; Proth
n = 21741 6548 digits Oct 1996 Patrick Demichel
n = 25518 7685 digits Jul 1998 Ray Ballinger; Proth
n = 32244 9710 digits
n = 34060 10256 digits
n = 42148 12691 digits
n = 54319 16355 digits
n = 78463 23623 digits
n = 105618 31798 digits Oct 2001 Anton Oleynick; Proth
n = 113464 34159 digits
n = 142686 42956 digits
n = 157470 47407 digits
n = 183531 55252 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 301629 90803 digits Aug 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 306871 92381 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 314616 94712 digits Mar 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 358549 107937 digits Dec 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 411891 123995 digits Jun 2007 Steven Harvey; FermFact; OpenPFGW
n = 426703 128454 digits Dec 2006 Ruediger K. Eckhard; LLR
n = 560319 168676 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 1086798 327162 digits Sep 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1093359 329137 digits Sep 2011 Gergely Papp; PSieve; srsieve; PrimeGrid; LLR
n = 1442509 434242 digits Jan 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1478286 445012 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1972428 593763 digits Oct 2013 Gen Hayase; PSieve; srsieve; PrimeGrid; LLR
n = 2542464 765361 digits Nov 2017 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 2846638 856927 digits Feb 2020 Rick Reynolds; PSieve; srsieve; PrimeGrid; LLR
n = 4075468 1226841 digits Jan 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 707
max n: 4.619.834
n = 3 4 digits
n = 31 13 digits
n = 39 15 digits
n = 59 21 digits
n = 155 50 digits
n = 675 207 digits
n = 1911 579 digits
n = 2615 791 digits
n = 3015 911 digits
n = 13539 4079 digits Feb 1998 Ray Ballinger; Proth
n = 20855 6281 digits Oct 1996 Patrick Demichel
n = 23643 7121 digits
n = 25303 7620 digits Jun 1998 Ray Ballinger; Proth
n = 37923 11419 digits
n = 73219 22044 digits
n = 568259 171066 digits Mar 2009 Ikumi Yuki; srsieve; PrimeGrid; LLR
n = 1241499 373732 digits Nov 2011 Blake Tatsuta; PSieve; srsieve; PrimeGrid; LLR
n = 1895035 570466 digits Oct 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2745815 826576 digits Jul 2019 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 2856331 859845 digits Mar 2020 Hirohito Yagi; PSieve; srsieve; PrimeGrid; LLR
k: 709
max n: 4.623.225
n = 2 4 digits
n = 6 5 digits
n = 46 17 digits
n = 66 23 digits
n = 126 41 digits
n = 214 68 digits
n = 222 70 digits
n = 266 83 digits
n = 290 91 digits
n = 302 94 digits
n = 542 167 digits
n = 730 223 digits
n = 1622 492 digits
n = 2426 734 digits
n = 8990 2710 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11214 3379 digits May 1996 Patrick Demichel
n = 23386 7043 digits
n = 39650 11939 digits
n = 103130 31049 digits Oct 2001 Anton Oleynick; Proth
n = 315622 95015 digits Mar 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 961674 289496 digits Jun 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 1171934 352791 digits Oct 2011 Robin Weezepoel; PSieve; srsieve; PrimeGrid; LLR
n = 1351346 406799 digits Jan 2012 James Nobis; PSieve; srsieve; PrimeGrid; LLR
k: 711
max n: 4.612.340
n = 1 4 digits
n = 3 4 digits
n = 7 5 digits
n = 12 7 digits
n = 13 7 digits
n = 17 8 digits
n = 20 9 digits
n = 25 11 digits
n = 31 13 digits
n = 36 14 digits
n = 63 22 digits
n = 75 26 digits
n = 91 31 digits
n = 111 37 digits
n = 137 45 digits
n = 273 86 digits
n = 301 94 digits
n = 315 98 digits
n = 360 112 digits
n = 372 115 digits
n = 471 145 digits
n = 500 154 digits
n = 801 244 digits
n = 1065 324 digits
n = 1293 393 digits
n = 1633 495 digits
n = 1640 497 digits
n = 1655 502 digits
n = 2433 736 digits
n = 2456 743 digits
n = 2555 772 digits
n = 2997 906 digits
n = 3015 911 digits
n = 3143 949 digits
n = 4557 1375 digits
n = 5823 1756 digits
n = 6851 2066 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7052 2126 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13241 3989 digits
n = 13627 4105 digits Feb 1998 Ray Ballinger; Proth
n = 23083 6952 digits
n = 23291 7015 digits 1996 Patrick Demichel
n = 24721 7445 digits Aug 1998 Tadashi Taura; Proth
n = 25613 7714 digits Aug 1998 Tadashi Taura; Proth
n = 26387 7947 digits Aug 1998 Tadashi Taura; Proth
n = 31673 9538 digits Jul 1998 Tadashi Taura; Proth
n = 32333 9737 digits Oct 1998 David Hanson; Proth
n = 34933 10519 digits Jul 1998 David Hanson; Proth
n = 45360 13658 digits
n = 56433 16991 digits
n = 97857 29461 digits Feb 2002 Göran Axelsson; Proth
n = 104441 31443 digits Oct 2001 Anton Oleynick; Proth
n = 133585 40216 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 146481 44099 digits Dec 2001 Thomas J. Engelsma; Proth
n = 162145 48814 digits Jan 2002 Anton Oleynick; Proth
n = 192453 57937 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 250677 75465 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 312713 94139 digits Mar 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 325637 98030 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 437320 131650 digits Feb 2007 Ruediger K. Eckhard; LLR
n = 585381 176221 digits Apr 2009 Andreas Adolfsson; srsieve; PrimeGrid; LLR
n = 755940 227564 digits Feb 2010 John R. Bailey; srsieve; PrimeGrid; LLR
n = 1180481 355364 digits Oct 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1232535 371033 digits Nov 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1446472 435435 digits Feb 2012 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1493231 449511 digits Feb 2012 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 2132477 641943 digits Apr 2014 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 2516187 757451 digits Aug 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2600535 782842 digits Jul 2018 Jan Kožíšek; PSieve; srsieve; PrimeGrid; LLR
n = 2784213 838135 digits Jul 2019 Hazel Victoria Campbell; PSieve; srsieve; PrimeGrid; LLR
n = 2792072 840501 digits Jul 2019 Jan Gniesmer; PSieve; srsieve; PrimeGrid; LLR
n = 2808473 845438 digits Sep 2019 Jonathan Champ; PSieve; srsieve; PrimeGrid; LLR
n = 3767492 1134131 digits Sep 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3886480 1169950 digits Feb 2023 Brian D. Niegocki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 713
max n: 4.618.212
n = 1 4 digits
n = 5 5 digits
n = 73 25 digits
n = 85 29 digits
n = 433 134 digits
n = 1081 329 digits
n = 2801 847 digits
n = 11153 3361 digits May 1996 Patrick Demichel
n = 34241 10311 digits
n = 42221 12713 digits
n = 66137 19913 digits
n = 74261 22358 digits
n = 221297 66620 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 264925 79754 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 286301 86189 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 293693 88414 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 351557 105833 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1610773 484894 digits Dec 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 4375865 1317270 digits Feb 2026 HyeongShin Kang; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 715
max n: 4.623.661
n = 2 4 digits
n = 8 6 digits
n = 18 9 digits
n = 22 10 digits
n = 40 15 digits
n = 88 30 digits
n = 142 46 digits
n = 200 64 digits
n = 230 73 digits
n = 538 165 digits
n = 790 241 digits
n = 1016 309 digits
n = 1352 410 digits
n = 2158 653 digits
n = 2456 743 digits
n = 2632 796 digits
n = 3242 979 digits
n = 8098 2441 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8296 2501 digits 1993 Harvey Dubner; Dubner Cruncher
n = 20440 6156 digits
n = 29702 8945 digits Aug 1998 Tadashi Taura; Proth
n = 62386 18783 digits
n = 64570 19441 digits
n = 65886 19837 digits
n = 442402 133180 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1624000 488876 digits Dec 2012 Stewart Kramer; PSieve; srsieve; PrimeGrid; LLR
n = 2465640 742235 digits Mar 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3368210 1013936 digits Feb 2017 Daniel Frużyński; PSieve; srsieve; PrimeGrid; LLR
k: 717
max n: 4.617.458
n = 3 4 digits
n = 12 7 digits
n = 23 10 digits
n = 26 11 digits
n = 27 11 digits
n = 30 12 digits
n = 36 14 digits
n = 48 18 digits
n = 59 21 digits
n = 71 25 digits
n = 108 36 digits
n = 338 105 digits
n = 350 109 digits
n = 431 133 digits
n = 432 133 digits
n = 462 142 digits
n = 536 165 digits
n = 695 213 digits
n = 1238 376 digits
n = 2219 671 digits
n = 2235 676 digits
n = 2799 846 digits
n = 2862 865 digits
n = 3339 1008 digits
n = 4899 1478 digits
n = 5511 1662 digits
n = 6071 1831 digits
n = 6951 2096 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11988 3612 digits
n = 13388 4034 digits Feb 1998 Ray Ballinger; Proth
n = 22559 6794 digits 1996 Patrick Demichel
n = 31431 9465 digits Jul 1998 Tadashi Taura; Proth
n = 46335 13952 digits
n = 69390 20892 digits
n = 78416 23609 digits
n = 123480 37175 digits
n = 224118 67470 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 300330 90412 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 480680 144702 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 495026 149021 digits Jan 2009 Eric Ueda; srsieve; PrimeGrid; LLR
n = 512802 154372 digits Apr 2008 Steven Harvey; FermFact; OpenPFGW
n = 990747 298248 digits Jun 2011 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 1073495 323158 digits Sep 2011 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1174056 353429 digits Oct 2011 Renato Chagas; PSieve; srsieve; PrimeGrid; LLR
n = 1260087 379327 digits Nov 2011 Masato Nose; PSieve; srsieve; PrimeGrid; LLR
n = 1763367 530830 digits Mar 2013 Pavel Pelikan; PSieve; srsieve; PrimeGrid; LLR
n = 2848598 857517 digits Feb 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2900775 873224 digits Nov 2020 Reiner Elgetz; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2937963 884418 digits Feb 2021 Pietari Snow; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2995326 901686 digits Mar 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3934760 1184484 digits Feb 2023 Nick Merrylees; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 719
max n: 4.620.684
n = 1 4 digits
n = 7 5 digits
n = 9 6 digits
n = 19 9 digits
n = 27 11 digits
n = 49 18 digits
n = 55 20 digits
n = 61 22 digits
n = 69 24 digits
n = 87 30 digits
n = 99 33 digits
n = 105 35 digits
n = 127 42 digits
n = 249 78 digits
n = 351 109 digits
n = 465 143 digits
n = 621 190 digits
n = 1647 499 digits
n = 2109 638 digits
n = 4681 1412 digits
n = 4915 1483 digits
n = 13671 4119 digits Feb 1998 Ray Ballinger; Proth
n = 17517 5276 digits Jul 1996 Patrick Demichel
n = 17599 5301 digits Jul 1996 Patrick Demichel
n = 21469 6466 digits
n = 25801 7770 digits Aug 1998 Tadashi Taura; Proth
n = 43047 12962 digits
n = 60069 18086 digits
n = 62817 18913 digits
n = 79887 24052 digits
n = 111855 33675 digits
n = 122731 36949 digits
n = 150841 45411 digits
n = 156589 47141 digits
n = 198649 59803 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 231721 69758 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 300891 90581 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 427575 128716 digits Jan 2007 Ruediger K. Eckhard; LLR
n = 590715 177826 digits Mar 2009 Takashi Yoshida; srsieve; PrimeGrid; LLR
n = 748527 225332 digits Feb 2010 Nicolas Gateau; srsieve; PrimeGrid; LLR
n = 846645 254869 digits Apr 2011 Damian Peter Shaw; PSieve; srsieve; PrimeGrid; LLR
n = 3308127 995849 digits Jul 2022 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4379169 1318265 digits Feb 2026 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4424985 1332057 digits Feb 2026 Charlie McDonald; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 721
max n: 4.620.911
n = 8 6 digits
n = 192 61 digits
n = 204 65 digits
n = 408 126 digits
n = 532 164 digits
n = 2712 820 digits
n = 6600 1990 digits
n = 21412 6449 digits
n = 45904 13822 digits
n = 52732 15877 digits
n = 108904 32787 digits Nov 2001 Anton Oleynick; Proth
n = 238220 71715 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 381260 114774 digits Nov 2007 Steven Harvey; FermFact; OpenPFGW
n = 406700 122432 digits Jan 2007 Steven Harvey; FermFact; OpenPFGW
n = 516520 155491 digits May 2008 Steven Harvey; FermFact; OpenPFGW
n = 747772 225105 digits Feb 2010 Thorsten Woell; srsieve; PrimeGrid; LLR
n = 1346084 405215 digits Feb 2012 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 2246420 676243 digits Jan 2016 Julius Noltensmeier; PSieve; srsieve; PrimeGrid; LLR
k: 723
max n: 4.623.317
n = 1 4 digits
n = 6 5 digits
n = 8 6 digits
n = 16 8 digits
n = 18 9 digits
n = 24 11 digits
n = 34 14 digits
n = 50 18 digits
n = 73 25 digits
n = 84 29 digits
n = 98 33 digits
n = 120 39 digits
n = 134 44 digits
n = 216 68 digits
n = 286 89 digits
n = 496 153 digits
n = 524 161 digits
n = 841 257 digits
n = 1504 456 digits
n = 2570 777 digits
n = 3874 1170 digits
n = 4078 1231 digits
n = 5826 1757 digits
n = 6193 1868 digits
n = 7129 2149 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7526 2269 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8708 2625 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14498 4368 digits Feb 1998 Ray Ballinger; Proth
n = 17297 5210 digits Jul 1996 Patrick Demichel
n = 21866 6586 digits Oct 1996 Patrick Demichel
n = 35040 10551 digits Aug 1998 David Hanson; Proth
n = 42825 12895 digits
n = 70356 21183 digits
n = 77273 23265 digits
n = 78353 23590 digits
n = 124577 37505 digits
n = 129180 38890 digits Dec 1998 Lars A Carlen; Proth
n = 144696 43561 digits
n = 241954 72839 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 252198 75923 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 274073 82508 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 321530 96794 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 413224 124396 digits Jul 2007 Steven Harvey; FermFact; OpenPFGW
n = 875833 263655 digits May 2011 Robert Ślęzak; PSieve; srsieve; PrimeGrid; LLR
n = 1318416 396886 digits Jan 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2482064 747179 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 4054404 1220501 digits Jan 2026 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 725
max n: 4.618.224
n = 1 4 digits
n = 3 4 digits
n = 5 5 digits
n = 7 5 digits
n = 17 8 digits
n = 29 12 digits
n = 31 13 digits
n = 39 15 digits
n = 43 16 digits
n = 55 20 digits
n = 77 27 digits
n = 101 34 digits
n = 109 36 digits
n = 207 66 digits
n = 339 105 digits
n = 373 116 digits
n = 399 123 digits
n = 441 136 digits
n = 607 186 digits
n = 629 193 digits
n = 835 255 digits
n = 1003 305 digits
n = 1023 311 digits
n = 1863 564 digits
n = 3481 1051 digits
n = 5641 1701 digits
n = 5873 1771 digits
n = 7053 2127 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8025 2419 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8997 2712 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9171 2764 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9271 2794 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10241 3086 digits Oct 1998 Ray Ballinger; Proth
n = 12449 3751 digits
n = 13839 4169 digits
n = 17029 5130 digits Feb 1998 Charles F. Kerchner III; Proth
n = 20193 6082 digits Oct 1996 Patrick Demichel
n = 28481 8577 digits Aug 1998 Tadashi Taura; Proth
n = 33415 10062 digits
n = 41083 12371 digits Aug 1999 Alfredo Cano; Proth
n = 56355 16968 digits
n = 63861 19227 digits
n = 72801 21919 digits
n = 95647 28796 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 110637 33308 digits
n = 116821 35170 digits
n = 171037 51491 digits Jun 2003 Anton Oleynick; Proth
n = 172375 51893 digits Jun 2003 Anton Oleynick; Proth
n = 180523 54346 digits
n = 245805 73998 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 275227 82855 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 487759 146833 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 601599 181103 digits Nov 2008 Ruediger K. Eckhard; LLR
n = 709821 213681 digits Feb 2010 Jan Koval; srsieve; PrimeGrid; LLR
n = 811075 244161 digits Feb 2011 Gerry Michaud; PSieve; srsieve; PrimeGrid; LLR
n = 892829 268772 digits May 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 959681 288896 digits Jun 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1029787 310000 digits Sep 2011 Douglas A. Wood; PSieve; srsieve; PrimeGrid; LLR
n = 1076001 323912 digits Oct 2011 Jeffrey Maruska; PSieve; srsieve; PrimeGrid; LLR
n = 1479843 445480 digits Feb 2012 John R H Graham; PSieve; srsieve; PrimeGrid; LLR
n = 2250697 677531 digits Jan 2016 Justin Keenan; PSieve; srsieve; PrimeGrid; LLR
n = 2854661 859342 digits Mar 2020 James Schumacher; PSieve; srsieve; PrimeGrid; LLR
n = 3983355 1199113 digits Mar 2023 Christian Wallbaum; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4437841 1335927 digits Mar 2026 Andres Rojas; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 727
max n: 4.623.631
n = 2 4 digits
n = 4 5 digits
n = 8 6 digits
n = 16 8 digits
n = 32 13 digits
n = 44 17 digits
n = 52 19 digits
n = 100 33 digits
n = 428 132 digits
n = 800 244 digits
n = 808 247 digits
n = 2180 660 digits
n = 5480 1653 digits
n = 7136 2152 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7592 2289 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10964 3304 digits
n = 41348 12450 digits
n = 59872 18027 digits
n = 440276 132540 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 925960 278745 digits Nov 2010 Ruediger K. Eckhard; LLR
n = 1704196 513017 digits Dec 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 729
max n: 4.617.460
n = 1 4 digits
n = 2 4 digits
n = 10 6 digits
n = 11 7 digits
n = 35 14 digits
n = 46 17 digits
n = 53 19 digits
n = 154 50 digits
n = 358 111 digits
n = 530 163 digits
n = 1009 307 digits
n = 1262 383 digits
n = 1373 417 digits
n = 1393 423 digits
n = 2062 624 digits
n = 2341 708 digits
n = 2566 776 digits
n = 3050 922 digits
n = 3901 1178 digits
n = 5243 1582 digits
n = 5666 1709 digits
n = 5699 1719 digits
n = 7061 2129 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7406 2233 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11509 3468 digits Jul 1997 Henri Lifchitz; Proth
n = 17771 5353 digits Jul 1996 Patrick Demichel
n = 23693 7136 digits 1996 Patrick Demichel
n = 32906 9909 digits Aug 1998 David Hanson; Proth
n = 36142 10883 digits
n = 41866 12606 digits
n = 86651 26088 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 137270 41326 digits
n = 146029 43962 digits Dec 2001 Thomas J. Engelsma; Proth
n = 203750 61338 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 374654 112785 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 537230 161726 digits Aug 2008 Steven Harvey; FermFact; OpenPFGW
n = 554074 166796 digits Feb 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 640874 192926 digits Apr 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 667013 200794 digits Aug 2009 Colin Nish; srsieve; PrimeGrid; LLR
n = 694235 208989 digits Nov 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 716258 215619 digits Feb 2010 Nikolay Dovgiy; srsieve; PrimeGrid; LLR
n = 783790 235948 digits Mar 2010 Sean Faith; srsieve; PrimeGrid; LLR
n = 794243 239094 digits Dec 2010 Alexander Gramolin; NewPGen; OpenPFGW
n = 983299 296006 digits Dec 2010 Alexander Gramolin; NewPGen; LLR
n = 1430906 430749 digits Jul 2011 Alexander Gramolin; NewPGen; LLR
n = 1724434 519110 digits Jan 2013 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 1737901 523164 digits Jan 2013 Robert Hoffman; PSieve; srsieve; PrimeGrid; LLR
n = 1877995 565336 digits Sep 2013 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 2300290 692460 digits Mar 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2303162 693324 digits Mar 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2955389 889664 digits Feb 2021 Margus Sõmer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4172578 1256074 digits Feb 2026 Uwe Beckert; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 731
max n: 4.619.174
n = 3 4 digits
n = 17 8 digits
n = 39 15 digits
n = 59 21 digits
n = 113 37 digits
n = 119 39 digits
n = 135 44 digits
n = 137 45 digits
n = 263 83 digits
n = 563 173 digits
n = 1835 556 digits
n = 2379 720 digits
n = 5547 1673 digits
n = 6359 1918 digits
n = 11093 3343 digits May 1996 Patrick Demichel
n = 161939 48752 digits Mar 2002 Anton Oleynick; Proth
n = 173207 52144 digits Jul 2003 Anton Oleynick; Proth
n = 189527 57057 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 190145 57243 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 210687 63426 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 233675 70347 digits Aug 2005 Steven Harvey; FermFact; OpenPFGW
n = 283355 85302 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 320735 96554 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 520155 156586 digits Jul 2008 Steven Harvey; FermFact; OpenPFGW
n = 617957 186027 digits Feb 2009 Ruediger K. Eckhard; LLR
n = 920273 277033 digits Dec 2010 Ruediger K. Eckhard; LLR
n = 1110267 334227 digits Sep 2011 Yang Liu; PSieve; srsieve; PrimeGrid; LLR
n = 1518257 457044 digits Oct 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1522457 458309 digits Oct 2012 AJ Noon; PSieve; srsieve; PrimeGrid; LLR
n = 1968039 592442 digits Oct 2013 Adam Schaible; PSieve; srsieve; PrimeGrid; LLR
n = 1980503 596194 digits Oct 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 4102409 1234952 digits Feb 2026 Charlie McDonald; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 733
max n: 4.618.091
n = 12 7 digits
n = 22 10 digits
n = 24 11 digits
n = 42 16 digits
n = 46 17 digits
n = 60 21 digits
n = 126 41 digits
n = 252 79 digits
n = 352 109 digits
n = 444 137 digits
n = 730 223 digits
n = 1600 485 digits
n = 2086 631 digits
n = 2136 646 digits
n = 3342 1009 digits
n = 4042 1220 digits
n = 4662 1407 digits
n = 6406 1932 digits
n = 7882 2376 digits 1993 Harvey Dubner; Dubner Cruncher
n = 21642 6518 digits
n = 21736 6547 digits
n = 36132 10880 digits
n = 39762 11973 digits
n = 45780 13785 digits
n = 69526 20933 digits
n = 99862 30065 digits Feb 2002 Göran Axelsson; Proth
n = 117514 35379 digits
n = 403972 121611 digits Jan 2007 Steven Harvey; FermFact; OpenPFGW
n = 763522 229846 digits Feb 2010 Andrew Graham; srsieve; PrimeGrid; LLR
n = 1084014 326324 digits Sep 2011 Costas Katsavounidis; PSieve; srsieve; PrimeGrid; LLR
n = 1093762 329259 digits Sep 2011 Krzysztof Ostaszewski; PSieve; srsieve; PrimeGrid; LLR
n = 1263802 380446 digits Nov 2011 John Chadwick; PSieve; srsieve; PrimeGrid; LLR
n = 1988086 598477 digits Oct 2013 Dejana Ristic; PSieve; srsieve; PrimeGrid; LLR
n = 3340464 1005583 digits Dec 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 4386196 1320380 digits Feb 2026 Krzysztof Ostaszewski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 735
max n: 4.619.283
n = 1 4 digits
n = 3 4 digits
n = 6 5 digits
n = 14 8 digits
n = 16 8 digits
n = 20 9 digits
n = 21 10 digits
n = 23 10 digits
n = 25 11 digits
n = 30 12 digits
n = 36 14 digits
n = 80 27 digits
n = 95 32 digits
n = 105 35 digits
n = 141 46 digits
n = 147 48 digits
n = 160 52 digits
n = 291 91 digits
n = 340 106 digits
n = 381 118 digits
n = 447 138 digits
n = 651 199 digits
n = 653 200 digits
n = 685 210 digits
n = 1047 319 digits
n = 1472 446 digits
n = 1577 478 digits
n = 1712 519 digits
n = 1911 579 digits
n = 2406 728 digits
n = 2504 757 digits
n = 2831 856 digits
n = 4167 1258 digits
n = 4526 1366 digits
n = 9023 2720 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9972 3005 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10356 3121 digits
n = 11027 3323 digits May 1996 Patrick Demichel
n = 11558 3483 digits Jul 1997 Henri Lifchitz; Proth
n = 13316 4012 digits Jul 1997 Henri Lifchitz; Proth
n = 18340 5524 digits Oct 1996 Patrick Demichel
n = 20183 6079 digits Oct 1996 Patrick Demichel
n = 30885 9301 digits Mar 1999 Tadashi Taura; Proth
n = 32291 9724 digits
n = 40184 12100 digits
n = 40488 12191 digits
n = 42737 12868 digits
n = 47525 14310 digits
n = 48228 14521 digits
n = 48526 14611 digits
n = 68631 20663 digits
n = 74072 22301 digits
n = 74958 22568 digits
n = 95423 28729 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 112847 33974 digits
n = 121845 36682 digits
n = 152728 45979 digits
n = 158384 47682 digits
n = 167747 50500 digits Mar 2002 Anton Oleynick; Proth
n = 170375 51291 digits Aug 2003 Anton Oleynick; Proth
n = 273567 82355 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 316204 95190 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 345542 104022 digits Mar 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 363188 109334 digits Jun 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 453063 136389 digits Dec 2008 Alexander Rydekull; srsieve; PrimeGrid; LLR
n = 868781 261533 digits May 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 976588 293986 digits Jun 2011 Steven F. Bohl; PSieve; srsieve; PrimeGrid; LLR
n = 1009476 303886 digits Mar 2011 Takaharu Yamamura; PSieve; srsieve; PrimeGrid; LLR
n = 1509857 454516 digits Oct 2012 Armin Kusig; PSieve; srsieve; PrimeGrid; LLR
n = 1870118 562965 digits Oct 2013 Bob Goellner; PSieve; srsieve; PrimeGrid; LLR
n = 1929225 580758 digits Oct 2013 Benjamin Glasgow; PSieve; srsieve; PrimeGrid; LLR
n = 2254660 678724 digits Jan 2016 Ronald Crawford; PSieve; srsieve; PrimeGrid; LLR
n = 3670991 1105082 digits Jul 2022 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4464323 1343898 digits Mar 2026 Chaichontat Sriworarat; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 737
max n: 4.621.554
n = 3 4 digits
n = 11 7 digits
n = 15 8 digits
n = 19 9 digits
n = 23 10 digits
n = 39 15 digits
n = 47 18 digits
n = 67 24 digits
n = 79 27 digits
n = 87 30 digits
n = 163 52 digits
n = 167 54 digits
n = 191 61 digits
n = 263 83 digits
n = 319 99 digits
n = 435 134 digits
n = 659 202 digits
n = 1607 487 digits
n = 1899 575 digits
n = 1903 576 digits
n = 2411 729 digits
n = 2563 775 digits
n = 3263 986 digits
n = 25423 7656 digits Jun 1998 Ray Ballinger; Proth
n = 28459 8570 digits Aug 1998 Tadashi Taura; Proth
n = 178431 53716 digits Aug 2003 Anton Oleynick; Proth
n = 195023 58711 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 545287 164151 digits Feb 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 563135 169524 digits Mar 2009 Catherine Chaton; srsieve; PrimeGrid; LLR
n = 776411 233726 digits Feb 2010 Pietari Snow; srsieve; PrimeGrid; LLR
k: 739
max n: 4.624.485
n = 2 4 digits
n = 6 5 digits
n = 42 16 digits
n = 82 28 digits
n = 222 70 digits
n = 458 141 digits
n = 766 234 digits
n = 4698 1418 digits
n = 5266 1589 digits
n = 28982 8728 digits Aug 1998 Tadashi Taura; Proth
n = 74598 22460 digits
n = 76322 22979 digits
n = 148822 44803 digits
n = 224198 67494 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 303826 91464 digits Jan 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1335442 402011 digits Jan 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 2051658 617614 digits Apr 2014 Darren Boyden; PSieve; srsieve; PrimeGrid; LLR
n = 2170786 653475 digits Apr 2014 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 2266602 682319 digits Feb 2016 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2272938 684226 digits Feb 2016 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 4253438 1280416 digits Feb 2026 Anthony Templin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 741
max n: 4.618.234
n = 1 4 digits
n = 7 5 digits
n = 8 6 digits
n = 11 7 digits
n = 35 14 digits
n = 40 15 digits
n = 56 20 digits
n = 61 22 digits
n = 67 24 digits
n = 116 38 digits
n = 296 92 digits
n = 388 120 digits
n = 565 173 digits
n = 847 258 digits
n = 857 261 digits
n = 859 262 digits
n = 1108 337 digits
n = 1361 413 digits
n = 1376 418 digits
n = 1484 450 digits
n = 2189 662 digits
n = 2267 686 digits
n = 2999 906 digits
n = 3257 984 digits
n = 3880 1171 digits
n = 4052 1223 digits
n = 4292 1295 digits
n = 4616 1393 digits
n = 8029 2420 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11096 3344 digits May 1996 Patrick Demichel
n = 12521 3773 digits
n = 23216 6992 digits
n = 38449 11578 digits Sep 1998 Tadashi Taura; Proth
n = 59771 17996 digits Sep 1998 Tadashi Taura; Proth
n = 92935 27980 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 95461 28740 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 149387 44973 digits
n = 261688 78779 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 328691 98949 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 354175 106621 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 615439 185269 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 864436 260225 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1259168 379051 digits Nov 2011 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1733507 521841 digits Jan 2013 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 2634385 793032 digits Aug 2018 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 743
max n: 4.620.800
n = 1 4 digits
n = 9 6 digits
n = 13 7 digits
n = 21 10 digits
n = 129 42 digits
n = 553 170 digits
n = 873 266 digits
n = 969 295 digits
n = 2869 867 digits
n = 15853 4776 digits Feb 1998 Charles F. Kerchner III; Proth
n = 18609 5605 digits Oct 1996 Patrick Demichel
n = 19689 5930 digits Oct 1996 Patrick Demichel
n = 21469 6466 digits
n = 76197 22941 digits
n = 211521 63678 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 325737 98060 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 752289 226465 digits Feb 2010 Maurice Steikert; srsieve; PrimeGrid; LLR
n = 810001 243838 digits Feb 2011 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
k: 745
max n: 4.621.003
n = 6 5 digits
n = 14 8 digits
n = 108 36 digits
n = 138 45 digits
n = 194 62 digits
n = 234 74 digits
n = 408 126 digits
n = 434 134 digits
n = 504 155 digits
n = 560 172 digits
n = 924 282 digits
n = 1356 412 digits
n = 1760 533 digits
n = 2190 663 digits
n = 3204 968 digits
n = 4104 1239 digits
n = 4688 1415 digits
n = 5096 1537 digits
n = 6408 1932 digits
n = 10196 3073 digits
n = 15660 4718 digits Feb 1998 Charles F. Kerchner III; Proth
n = 27668 8332 digits Jun 1998 David Hanson; Proth
n = 66510 20025 digits
n = 81060 24405 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 314118 94562 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 359604 108255 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 360726 108593 digits Feb 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1253108 377226 digits Nov 2011 Jim Foody; PSieve; srsieve; PrimeGrid; LLR
n = 2540726 764838 digits Nov 2017 David Plottel; PSieve; srsieve; PrimeGrid; LLR
n = 2761514 831302 digits Jul 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 3087428 929412 digits Sep 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4023044 1211060 digits Dec 2025 Logan Hood; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 747
max n: 4.615.131
n = 4 5 digits
n = 6 5 digits
n = 7 5 digits
n = 19 9 digits
n = 43 16 digits
n = 138 45 digits
n = 183 58 digits
n = 292 91 digits
n = 547 168 digits
n = 667 204 digits
n = 918 280 digits
n = 1446 439 digits
n = 2226 673 digits
n = 5218 1574 digits
n = 6532 1970 digits
n = 6558 1978 digits
n = 6636 2001 digits
n = 54148 16304 digits
n = 69783 21010 digits
n = 80259 24164 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 88116 26529 digits Jan 2002 Göran Axelsson; Proth
n = 480003 144499 digits Dec 2008 Peter Tibbott; srsieve; PrimeGrid; LLR
n = 497206 149677 digits Jan 2009 Amy Chambers; srsieve; PrimeGrid; LLR
n = 666718 200705 digits Aug 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 761874 229350 digits Feb 2010 Andreas Kobara; srsieve; PrimeGrid; LLR
n = 1077654 324410 digits Sep 2011 Michael E. Jones; PSieve; srsieve; PrimeGrid; LLR
n = 2228814 670943 digits Jan 2016 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
n = 2895307 871578 digits Nov 2020 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4150119 1249314 digits Feb 2026 Robert Lacroix; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 749
max n: 4.619.272
n = 1 4 digits
n = 7 5 digits
n = 9 6 digits
n = 11 7 digits
n = 21 10 digits
n = 33 13 digits
n = 47 18 digits
n = 49 18 digits
n = 67 24 digits
n = 69 24 digits
n = 81 28 digits
n = 101 34 digits
n = 109 36 digits
n = 117 39 digits
n = 137 45 digits
n = 143 46 digits
n = 153 49 digits
n = 209 66 digits
n = 237 75 digits
n = 593 182 digits
n = 689 211 digits
n = 741 226 digits
n = 1103 335 digits
n = 1373 417 digits
n = 2521 762 digits
n = 2959 894 digits
n = 3289 993 digits
n = 4357 1315 digits
n = 5241 1581 digits
n = 5361 1617 digits
n = 7579 2285 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12349 3721 digits
n = 12551 3782 digits
n = 14473 4360 digits Feb 1998 Ray Ballinger; Proth
n = 19229 5792 digits Oct 1996 Patrick Demichel
n = 28629 8622 digits Aug 1998 Tadashi Taura; Proth
n = 29519 8889 digits Aug 1998 Tadashi Taura; Proth
n = 42769 12878 digits
n = 53393 16076 digits
n = 67009 20175 digits
n = 123897 37300 digits
n = 135719 40859 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 139091 41874 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 187617 56482 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 269701 81191 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 449713 135380 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 501083 150844 digits Apr 2008 Steven Harvey; FermFact; OpenPFGW
n = 521099 156870 digits Aug 2008 Steven Harvey; FermFact; OpenPFGW
n = 619737 186563 digits Apr 2009 Robert Michael Andrews; srsieve; PrimeGrid; LLR
n = 1160897 349468 digits Oct 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1433277 431463 digits Jan 2012 Keith Thompson; PSieve; srsieve; PrimeGrid; LLR
n = 1494203 449803 digits Feb 2012 Mike Lane; PSieve; srsieve; PrimeGrid; LLR
n = 1986977 598143 digits Oct 2013 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 2519457 758436 digits Sep 2017 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 751
max n: 4.626.467
n = 12 7 digits
n = 36 14 digits
n = 972 296 digits
n = 1092 332 digits
n = 1420 431 digits
n = 5844 1763 digits
n = 15312 4613 digits Feb 1998 Charles F. Kerchner III; Proth
n = 39708 11957 digits Apr 1998 Henri Lifchitz; Proth
n = 123564 37200 digits Sep 2003 John Metcalf; Proth
n = 867832 261247 digits May 2011 Mike Parker; PSieve; srsieve; PrimeGrid; LLR
n = 2010924 605352 digits Apr 2014 Eric Clifton; PSieve; srsieve; PrimeGrid; LLR
k: 753
max n: 4.612.352
n = 4 5 digits
n = 5 5 digits
n = 6 5 digits
n = 9 6 digits
n = 10 6 digits
n = 17 8 digits
n = 25 11 digits
n = 32 13 digits
n = 33 13 digits
n = 40 15 digits
n = 49 18 digits
n = 53 19 digits
n = 58 21 digits
n = 62 22 digits
n = 82 28 digits
n = 133 43 digits
n = 160 52 digits
n = 166 53 digits
n = 229 72 digits
n = 345 107 digits
n = 412 127 digits
n = 458 141 digits
n = 774 236 digits
n = 1138 346 digits
n = 1153 350 digits
n = 1417 430 digits
n = 1458 442 digits
n = 1473 447 digits
n = 1502 456 digits
n = 3210 970 digits
n = 3496 1056 digits
n = 4705 1420 digits
n = 4858 1466 digits
n = 5728 1728 digits
n = 7993 2410 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8929 2691 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10129 3053 digits
n = 10376 3127 digits
n = 12050 3631 digits 1989 Harvey Dubner; Dubner Cruncher
n = 12765 3846 digits
n = 13525 4075 digits Feb 1998 Ray Ballinger; Proth
n = 16958 5108 digits Mar 1998 Charles F. Kerchner III; Proth
n = 28014 8436 digits Jun 1998 David Hanson; Proth
n = 29228 8802 digits Aug 1998 Tadashi Taura; Proth
n = 31610 9519 digits Jul 1998 Tadashi Taura; Proth
n = 35212 10603 digits
n = 36625 11029 digits
n = 38314 11537 digits
n = 52917 15933 digits
n = 53118 15993 digits
n = 62480 18812 digits
n = 65274 19653 digits
n = 65986 19867 digits
n = 69710 20988 digits
n = 91892 27666 digits Feb 2002 Göran Axelsson; Proth
n = 116697 35133 digits
n = 172557 51948 digits Jun 2003 Anton Oleynick; Proth
n = 194017 58408 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 214970 64716 digits Aug 2004 Satoshi Noda; NewPGen; PRP; Proth
n = 347357 104568 digits Aug 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 363978 109572 digits Jun 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 406929 122501 digits Feb 2007 Steven Harvey; FermFact; OpenPFGW
n = 473164 142440 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 644053 193883 digits Apr 2009 Daniel Marsh; srsieve; PrimeGrid; LLR
n = 878182 264363 digits May 2011 Toshiya Satoh; PSieve; srsieve; PrimeGrid; LLR
n = 2143388 645227 digits Apr 2014 Takeshi Nakamura; PSieve; srsieve; PrimeGrid; LLR
n = 2422914 729373 digits Nov 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2701925 813364 digits Feb 2019 William de Thomas; PSieve; srsieve; PrimeGrid; LLR
n = 2844700 856343 digits Feb 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 3488818 1050242 digits Feb 2018 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3631472 1093185 digits May 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 4171717 1255815 digits Feb 2026 Martin Dressler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4260184 1282447 digits Feb 2026 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 755
max n: 4.618.434
n = 1 4 digits
n = 11 7 digits
n = 17 8 digits
n = 19 9 digits
n = 23 10 digits
n = 37 15 digits
n = 43 16 digits
n = 47 18 digits
n = 67 24 digits
n = 125 41 digits
n = 137 45 digits
n = 169 54 digits
n = 235 74 digits
n = 301 94 digits
n = 385 119 digits
n = 499 154 digits
n = 505 155 digits
n = 1019 310 digits
n = 1415 429 digits
n = 3755 1134 digits
n = 6101 1840 digits
n = 6671 2012 digits Mar 1996 Patrick Demichel
n = 7549 2276 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8065 2431 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9475 2856 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13691 4125 digits Feb 1998 Ray Ballinger; Proth
n = 48323 14550 digits Mar 2000 Jo Yeong Uk; Proth
n = 51905 15628 digits
n = 63091 18996 digits
n = 87353 26299 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 125587 37809 digits
n = 170243 51252 digits Jun 2003 Anton Oleynick; Proth
n = 214331 64523 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 389285 117190 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 409439 123257 digits Feb 2007 Steven Harvey; FermFact; OpenPFGW
n = 453695 136579 digits Dec 2008 Frans Englund; srsieve; PrimeGrid; LLR
n = 562655 169379 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 730559 219924 digits Feb 2010 Eric R Johnson; srsieve; PrimeGrid; LLR
n = 976273 293891 digits Jun 2011 Bruce Pine; PSieve; srsieve; PrimeGrid; LLR
n = 1150559 346356 digits Oct 2011 Vladislav Ketamino; PSieve; srsieve; PrimeGrid; LLR
n = 3110759 936435 digits Oct 2021 Brian D. Niegocki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3170701 954479 digits Jan 2022 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4010351 1207239 digits Dec 2025 Marshall Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4143781 1247406 digits Feb 2026 Ryo Takahashi; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 757
max n: 4.617.849
n = 4 5 digits
n = 6 5 digits
n = 8 6 digits
n = 22 10 digits
n = 34 14 digits
n = 68 24 digits
n = 90 30 digits
n = 100 33 digits
n = 104 35 digits
n = 238 75 digits
n = 246 77 digits
n = 454 140 digits
n = 588 180 digits
n = 772 236 digits
n = 884 269 digits
n = 1632 495 digits
n = 1942 588 digits
n = 3196 965 digits
n = 3920 1183 digits
n = 4878 1472 digits
n = 6634 2000 digits
n = 8604 2593 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10390 3131 digits
n = 12498 3766 digits
n = 16076 4843 digits Feb 1998 Charles F. Kerchner III; Proth
n = 25208 7592 digits Apr 1998 Ray Ballinger; Proth
n = 31290 9423 digits Jul 1998 Tadashi Taura; Proth
n = 44158 13296 digits
n = 50716 15270 digits
n = 126772 38166 digits
n = 127644 38428 digits
n = 184782 55628 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 253882 76429 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 297776 89643 digits Mar 2006 Steven Harvey; FermFact; OpenPFGW
n = 464076 139704 digits Dec 2008 Ikumi Yuki; srsieve; PrimeGrid; LLR
n = 526680 158550 digits Aug 2008 Steven Harvey; FermFact; OpenPFGW
n = 1227234 369438 digits Nov 2011 Ben Rhodes; PSieve; srsieve; PrimeGrid; LLR
n = 1274676 383719 digits Nov 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 2566468 772587 digits Feb 2018 Tod Slakans; PSieve; srsieve; PrimeGrid; LLR
n = 2942742 885857 digits Feb 2021 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 759
max n: 4.620.688
n = 2 4 digits
n = 3 4 digits
n = 17 8 digits
n = 29 12 digits
n = 42 16 digits
n = 78 27 digits
n = 98 33 digits
n = 179 57 digits
n = 263 83 digits
n = 327 102 digits
n = 725 222 digits
n = 755 231 digits
n = 1107 337 digits
n = 1517 460 digits
n = 1547 469 digits
n = 1590 482 digits
n = 2490 753 digits
n = 5079 1532 digits
n = 5378 1622 digits
n = 6378 1923 digits
n = 10542 3177 digits
n = 12803 3857 digits
n = 15725 4737 digits Feb 1998 Charles F. Kerchner III; Proth
n = 17417 5246 digits Jul 1996 Patrick Demichel
n = 18690 5630 digits Oct 1996 Patrick Demichel
n = 24905 7501 digits Aug 1998 Tadashi Taura; Proth
n = 32933 9917 digits Aug 1998 David Hanson; Proth
n = 38195 11501 digits Sep 1998 Tadashi Taura; Proth
n = 38739 11665 digits
n = 71570 21548 digits
n = 72173 21730 digits
n = 87063 26212 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 124247 37405 digits
n = 139427 41975 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 347099 104491 digits Aug 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 679127 204441 digits Sep 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 1319718 397278 digits Jan 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1537049 462701 digits Nov 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 3015314 907703 digits May 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3933042 1183967 digits Nov 2025 Alex Hogan; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 761
max n: 4.622.868
n = 1 4 digits
n = 3 4 digits
n = 13 7 digits
n = 61 22 digits
n = 69 24 digits
n = 277 87 digits
n = 375 116 digits
n = 591 181 digits
n = 1779 539 digits
n = 2109 638 digits
n = 2607 788 digits
n = 2677 809 digits
n = 2859 864 digits
n = 6961 2099 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7981 2406 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8193 2470 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10837 3266 digits
n = 25113 7563 digits Apr 1998 Ray Ballinger; Proth
n = 51601 15537 digits
n = 53673 16161 digits
n = 64587 19446 digits
n = 74101 22310 digits
n = 102157 30756 digits Dec 2001 Anton Oleynick; Proth
n = 108933 32795 digits Dec 2001 Anton Oleynick; Proth
n = 122565 36899 digits
n = 126507 38086 digits
n = 380013 114399 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 578113 174033 digits Mar 2009 Dustin Brase; srsieve; PrimeGrid; LLR
n = 742083 223393 digits Feb 2010 Jon Goral; srsieve; PrimeGrid; LLR
n = 988549 297586 digits Jun 2011 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
n = 1831569 551361 digits Sep 2013 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 3105087 934728 digits Oct 2021 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3206341 965208 digits Mar 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 763
max n: 4.623.821
n = 8 6 digits
n = 20 9 digits
n = 24 11 digits
n = 26 11 digits
n = 40 15 digits
n = 64 23 digits
n = 152 49 digits
n = 186 59 digits
n = 904 276 digits
n = 1026 312 digits
n = 1048 319 digits
n = 1230 374 digits
n = 1512 459 digits
n = 3332 1006 digits
n = 4194 1266 digits
n = 4322 1304 digits
n = 4434 1338 digits
n = 6210 1873 digits Dec 1993 Harvey Dubner; Dubner Cruncher
n = 9542 2876 digits 1993 Harvey Dubner; Dubner Cruncher
n = 21364 6435 digits
n = 30892 9303 digits Mar 1999 Tadashi Taura; Proth
n = 33740 10160 digits
n = 100824 30354 digits Dec 2001 Anton Oleynick; Proth
n = 135422 40769 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 312140 93967 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 737752 222089 digits Mar 2010 Robert Kahl; srsieve; PrimeGrid; LLR
n = 1095860 329890 digits Sep 2011 Lukasz Piotrowski; PSieve; srsieve; PrimeGrid; LLR
n = 1164124 350440 digits Oct 2011 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 1309300 394142 digits Jan 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1352872 407258 digits Jan 2012 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 1583512 476688 digits Nov 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 2458592 740113 digits Feb 2017 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 2727928 821192 digits May 2019 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
n = 2811726 846417 digits Oct 2019 Todd Pickering; PSieve; srsieve; PrimeGrid; LLR
n = 2885928 868754 digits Sep 2020 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 3115684 937918 digits Nov 2021 Adrian Schori; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4591746 1382257 digits Jun 2026 HyeongShin Kang; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 765
max n: 4.623.338
n = 1 4 digits
n = 2 4 digits
n = 3 4 digits
n = 4 5 digits
n = 5 5 digits
n = 10 6 digits
n = 12 7 digits
n = 15 8 digits
n = 18 9 digits
n = 20 9 digits
n = 22 10 digits
n = 25 11 digits
n = 40 15 digits
n = 41 16 digits
n = 50 18 digits
n = 52 19 digits
n = 67 24 digits
n = 72 25 digits
n = 77 27 digits
n = 87 30 digits
n = 90 30 digits
n = 121 40 digits
n = 135 44 digits
n = 151 49 digits
n = 168 54 digits
n = 282 88 digits
n = 288 90 digits
n = 390 121 digits
n = 408 126 digits
n = 423 131 digits
n = 445 137 digits
n = 450 139 digits
n = 471 145 digits
n = 538 165 digits
n = 572 176 digits
n = 578 177 digits
n = 777 237 digits
n = 894 273 digits
n = 921 281 digits
n = 1188 361 digits
n = 1382 419 digits
n = 2251 681 digits
n = 3861 1166 digits
n = 5217 1574 digits
n = 5775 1742 digits
n = 8337 2513 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9568 2884 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10347 3118 digits
n = 10500 3164 digits
n = 11570 3486 digits
n = 14413 4342 digits
n = 15561 4688 digits Feb 1998 Charles F. Kerchner III; Proth
n = 17862 5380 digits Jul 1996 Patrick Demichel
n = 24728 7447 digits Aug 1998 Tadashi Taura; Proth
n = 28041 8445 digits Jun 1998 David Hanson; Proth
n = 32211 9700 digits
n = 38824 11691 digits Oct 1998 Tadashi Taura; Proth
n = 44508 13402 digits
n = 51550 15521 digits
n = 56028 16869 digits Oct 1998 Tadashi Taura; Proth
n = 64722 19487 digits
n = 85119 25627 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 93355 28106 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 118330 35624 digits
n = 124000 37331 digits
n = 129751 39062 digits
n = 179985 54184 digits Jul 2003 Anton Oleynick; Proth
n = 285088 85823 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 293794 88444 digits Mar 2006 Steven Harvey; FermFact; OpenPFGW
n = 296373 89221 digits Mar 2006 Steven Harvey; FermFact; OpenPFGW
n = 344115 103592 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 353165 106317 digits Feb 2004 Curtis Cooper; Proth
n = 403590 121496 digits Mar 2004 Curtis Cooper; Proth
n = 787971 237206 digits Sep 2010 Steve Martin; srsieve; PrimeGrid; LLR
n = 858453 258423 digits Apr 2011 Mark Doom; PSieve; srsieve; PrimeGrid; LLR
n = 974997 293507 digits Jun 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 983445 296050 digits Jun 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1006459 302978 digits Feb 2011 Michał Gasewicz; PSieve; srsieve; PrimeGrid; LLR
n = 1179540 355080 digits Oct 2011 Lukasz Piotrowski; PSieve; srsieve; PrimeGrid; LLR
n = 1346535 405351 digits Jan 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1398051 420859 digits Jan 2012 Alexander Savchenko; PSieve; srsieve; PrimeGrid; LLR
n = 1635531 492347 digits Dec 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1849609 556791 digits Sep 2013 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 2106027 633981 digits Apr 2014 Darren Boyden; PSieve; srsieve; PrimeGrid; LLR
n = 2448660 737123 digits Jan 2017 Benjamin Simpson; PSieve; srsieve; PrimeGrid; LLR
n = 2735232 823390 digits Jun 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3068511 923717 digits Jul 2021 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3680091 1107821 digits Sep 2025 Don Birzer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3767432 1134113 digits Oct 2025 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3807519 1146181 digits Oct 2025 Takeru Takesue; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4288778 1291054 digits Feb 2026 Sanghyeok Lee; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4633190 1394733 digits Jun 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 767
max n: 4.623.102
n = 23 10 digits
n = 239 75 digits
n = 1071 326 digits
n = 1711 518 digits
n = 22119 6662 digits
n = 26191 7888 digits Aug 1998 Tadashi Taura; Proth
n = 42471 12788 digits
n = 61831 18616 digits
n = 240991 72549 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 3949751 1188997 digits Dec 2025 Greg Miller; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 769
max n: 4.623.333
n = 14 8 digits
n = 46 17 digits
n = 934 285 digits
n = 1118 340 digits
n = 10222 3081 digits
n = 119374 35939 digits
n = 179798 54128 digits Jul 2003 Anton Oleynick; Proth
n = 712534 214497 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
k: 771
max n: 4.622.418
n = 1 4 digits
n = 7 5 digits
n = 11 7 digits
n = 19 9 digits
n = 36 14 digits
n = 39 15 digits
n = 129 42 digits
n = 132 43 digits
n = 351 109 digits
n = 732 224 digits
n = 1260 383 digits
n = 1681 509 digits
n = 1811 549 digits
n = 2132 645 digits
n = 2291 693 digits
n = 4411 1331 digits
n = 5072 1530 digits
n = 5972 1801 digits
n = 8459 2550 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10731 3234 digits
n = 11231 3384 digits May 1996 Patrick Demichel
n = 21319 6421 digits Oct 1996 Patrick Demichel
n = 43884 13214 digits
n = 67229 20241 digits
n = 90641 27289 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 110207 33179 digits
n = 144341 43454 digits
n = 157419 47391 digits
n = 172191 51838 digits Jul 2003 Anton Oleynick; Proth
n = 309936 93303 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 713364 214747 digits Feb 2010 Bruno Usai; srsieve; PrimeGrid; LLR
n = 816036 245655 digits Feb 2011 Alexander Schüpstuhl; PSieve; srsieve; PrimeGrid; LLR
n = 1354880 407863 digits Jan 2012 Rickie Marsh; PSieve; srsieve; PrimeGrid; LLR
n = 1369709 412327 digits Jan 2012 Yuriy Bogachov; PSieve; srsieve; PrimeGrid; LLR
n = 1385696 417139 digits Jan 2012 Gerhard Sattler; PSieve; srsieve; PrimeGrid; LLR
n = 1529249 460353 digits Oct 2012 Jesper Hedlund; PSieve; srsieve; PrimeGrid; LLR
n = 1643321 494692 digits Dec 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2115741 636905 digits Apr 2014 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 3564109 1072907 digits Nov 2018 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 773
max n: 4.626.524
n = 53 19 digits
n = 693 212 digits
n = 4085 1233 digits
n = 11445 3449 digits
n = 402101 121048 digits Apr 2005 John Metcalf; Proth
n = 3550373 1068772 digits Sep 2018 Rick Reynolds; PSieve; srsieve; PrimeGrid; LLR
k: 775
max n: 4.624.625
n = 4 5 digits
n = 10 6 digits
n = 12 7 digits
n = 60 21 digits
n = 82 28 digits
n = 112 37 digits
n = 114 38 digits
n = 148 48 digits
n = 460 142 digits
n = 532 164 digits
n = 732 224 digits
n = 750 229 digits
n = 1140 347 digits
n = 1914 580 digits
n = 2092 633 digits
n = 2110 639 digits
n = 4306 1300 digits
n = 5386 1625 digits
n = 11820 3562 digits
n = 12354 3722 digits
n = 20026 6032 digits Oct 1996 Patrick Demichel
n = 20322 6121 digits Oct 1996 Patrick Demichel
n = 22362 6735 digits
n = 23230 6996 digits
n = 36220 10907 digits Dec 1998 David Hanson; Proth
n = 36834 11092 digits
n = 36948 11126 digits
n = 95368 28712 digits Feb 2002 Göran Axelsson; Proth
n = 105232 31681 digits Dec 2001 Anton Oleynick; Proth
n = 144208 43414 digits
n = 161002 48470 digits Mar 2002 Anton Oleynick; Proth
n = 270540 81444 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 303330 91315 digits Jan 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 359176 108126 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 637012 191763 digits Apr 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 642772 193497 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 751452 226213 digits Feb 2010 Kirill Scherbakov; srsieve; PrimeGrid; LLR
n = 793876 238984 digits Feb 2011 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 1250106 376323 digits Nov 2011 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 2027562 610360 digits Apr 2014 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2162344 650934 digits Apr 2014 Josef Matousek; PSieve; srsieve; PrimeGrid; LLR
n = 3170580 954443 digits Jan 2022 Keith Reinhardt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4571316 1376107 digits May 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 777
max n: 4.619.883
n = 2 4 digits
n = 3 4 digits
n = 4 5 digits
n = 10 6 digits
n = 27 12 digits
n = 51 19 digits
n = 55 20 digits
n = 66 23 digits
n = 86 29 digits
n = 96 32 digits
n = 171 55 digits
n = 203 64 digits
n = 210 67 digits
n = 310 97 digits
n = 1202 365 digits
n = 1250 380 digits
n = 1911 579 digits
n = 2194 664 digits
n = 2247 680 digits
n = 2414 730 digits
n = 2812 850 digits
n = 3002 907 digits
n = 3302 997 digits
n = 5243 1582 digits
n = 6570 1981 digits
n = 9300 2803 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17052 5137 digits May 1996 Patrick Demichel
n = 23675 7130 digits 1996 Patrick Demichel
n = 28044 8445 digits Jun 1998 David Hanson; Proth
n = 29327 8832 digits Aug 1998 Tadashi Taura; Proth
n = 39676 11947 digits Oct 1998 Tadashi Taura; Proth
n = 40083 12070 digits
n = 43103 12979 digits
n = 47507 14304 digits
n = 48351 14558 digits
n = 78330 23583 digits
n = 84250 25365 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 149656 45054 digits
n = 196594 59184 digits Dec 2004 Predrag Minovic; NewPGen; PRP; Proth
n = 225984 68031 digits Dec 2004 Predrag Minovic; NewPGen; PRP; Proth
n = 293220 88271 digits Dec 2004 Predrag Minovic; NewPGen; PRP; Proth
n = 443376 133473 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 540606 162742 digits Feb 2009 Jeff Smith; srsieve; PrimeGrid; LLR
n = 630736 189874 digits Apr 2009 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 692430 208446 digits Dec 2009 Vobbert Becking; srsieve; PrimeGrid; LLR
n = 707856 213089 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 720720 216962 digits Feb 2010 Steven F. Bohl; srsieve; PrimeGrid; LLR
n = 883434 265944 digits May 2011 Michael D. Hittle; PSieve; srsieve; PrimeGrid; LLR
n = 942223 283641 digits May 2011 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 2492560 750339 digits Jun 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2737282 824007 digits Jun 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 2742196 825487 digits Jul 2019 Todd Pickering; PSieve; srsieve; PrimeGrid; LLR
n = 2901907 873564 digits Dec 2020 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3367372 1013683 digits Feb 2017 Lars Fricke; PSieve; srsieve; PrimeGrid; LLR
k: 779
max n: 4.616.652
n = 1 4 digits
n = 7 5 digits
n = 11 7 digits
n = 13 7 digits
n = 23 10 digits
n = 73 25 digits
n = 77 27 digits
n = 83 28 digits
n = 111 37 digits
n = 123 40 digits
n = 185 59 digits
n = 363 113 digits
n = 401 124 digits
n = 691 211 digits
n = 717 219 digits
n = 1321 401 digits
n = 2683 811 digits
n = 3591 1084 digits
n = 3657 1104 digits
n = 3953 1193 digits
n = 5497 1658 digits
n = 6343 1913 digits
n = 9307 2805 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9755 2940 digits 1993 Harvey Dubner; Dubner Cruncher
n = 35345 10643 digits
n = 42361 12755 digits Nov 1998 J. K. Smith; Proth
n = 46347 13955 digits
n = 58861 17722 digits
n = 62251 18743 digits
n = 93353 28105 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 118091 35552 digits
n = 120345 36231 digits
n = 127697 38444 digits
n = 161655 48666 digits Mar 2002 Anton Oleynick; Proth
n = 381245 114770 digits Nov 2007 Steven Harvey; FermFact; OpenPFGW
n = 455275 137055 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 544147 163808 digits Feb 2009 Gary Desmond; srsieve; PrimeGrid; LLR
n = 573211 172557 digits Mar 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 617133 185779 digits Apr 2009 Emanuele Vecchia; srsieve; PrimeGrid; LLR
n = 878081 264332 digits May 2011 Justin Clift; PSieve; srsieve; PrimeGrid; LLR
n = 1838955 553584 digits Sep 2013 Eric Stopper; PSieve; srsieve; PrimeGrid; LLR
n = 2050881 617380 digits Apr 2014 Karel Benes; PSieve; srsieve; PrimeGrid; LLR
n = 2290273 689444 digits Feb 2016 Stefan Wakolbinger; PSieve; srsieve; PrimeGrid; LLR
n = 3253063 979273 digits May 2022 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3713283 1117813 digits Sep 2025 Wolfgang Schmidt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3799613 1143801 digits Oct 2025 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4475055 1347129 digits Apr 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4558221 1372165 digits May 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 781
max n: 4.623.275
n = 4 5 digits
n = 12 7 digits
n = 20 9 digits
n = 108 36 digits
n = 452 139 digits
n = 492 151 digits
n = 716 219 digits
n = 17316 5216 digits Jul 1996 Patrick Demichel
n = 105060 31630 digits Dec 2001 Anton Oleynick; Proth
n = 211604 63703 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 352788 106203 digits Jun 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1258420 378826 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1269036 382021 digits Nov 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
k: 783
max n: 4.623.364
n = 1 4 digits
n = 5 5 digits
n = 17 9 digits
n = 56 20 digits
n = 77 27 digits
n = 160 52 digits
n = 269 84 digits
n = 509 157 digits
n = 616 189 digits
n = 733 224 digits
n = 929 283 digits
n = 1685 511 digits
n = 2122 642 digits
n = 2333 706 digits
n = 4232 1277 digits
n = 4306 1300 digits
n = 5969 1800 digits
n = 8536 2573 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8765 2642 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16150 4865 digits Nov 1997 Andy Penrose; Proth
n = 18538 5584 digits Oct 1996 Patrick Demichel
n = 33257 10015 digits
n = 35741 10763 digits
n = 39262 11822 digits
n = 41621 12533 digits
n = 61493 18515 digits
n = 93200 28059 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 169246 50952 digits Mar 2002 Anton Oleynick; Proth
n = 317173 95482 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 795793 239561 digits Feb 2011 David Black; PSieve; srsieve; PrimeGrid; LLR
n = 797237 239996 digits Feb 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 797638 240116 digits Feb 2011 Annette Virlogeux; PSieve; srsieve; PrimeGrid; LLR
n = 931138 280304 digits Mar 2011 Ruediger K. Eckhard; LLR
n = 2031629 611585 digits Apr 2014 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 2200256 662346 digits Nov 2015 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
n = 2500912 752853 digits Jul 2017 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3494129 1051841 digits Mar 2018 Michele T. Mazzucato; PSieve; srsieve; PrimeGrid; LLR
k: 785
max n: 4.620.546
n = 1 4 digits
n = 5 5 digits
n = 11 7 digits
n = 25 11 digits
n = 91 31 digits
n = 151 49 digits
n = 327 102 digits
n = 595 183 digits
n = 599 184 digits
n = 925 282 digits
n = 2771 838 digits
n = 5789 1746 digits
n = 8127 2450 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8859 2670 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8897 2682 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14995 4517 digits Feb 1998 Ray Ballinger; Proth
n = 15347 4623 digits Feb 1998 Charles F. Kerchner III; Proth
n = 15641 4712 digits Feb 1998 Charles F. Kerchner III; Proth
n = 19505 5875 digits Oct 1996 Patrick Demichel
n = 25211 7593 digits May 1998 Ray Ballinger; Proth
n = 37915 11417 digits
n = 42095 12675 digits
n = 77651 23379 digits
n = 84391 25408 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 276427 83216 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 376815 113436 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 562861 169441 digits Mar 2009 Mike Joyner; srsieve; PrimeGrid; LLR
n = 823777 247985 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 942627 283762 digits May 2011 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1650459 496841 digits Dec 2012 Pavel Pryazhentsev; PSieve; srsieve; PrimeGrid; LLR
n = 2045419 615736 digits Apr 2014 Juergen Roemer; PSieve; srsieve; PrimeGrid; LLR
k: 787
max n: 4.619.897
n = 8 6 digits
n = 18 9 digits
n = 90 30 digits
n = 98 33 digits
n = 120 40 digits
n = 1214 369 digits
n = 1740 527 digits
n = 54344 16363 digits
n = 97272 29285 digits Feb 2002 Göran Axelsson; Proth
n = 541934 163142 digits Feb 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 1757702 529124 digits Mar 2013 Enrico Linder; PSieve; srsieve; PrimeGrid; LLR
n = 2026242 609963 digits Apr 2014 Martin Megele; PSieve; srsieve; PrimeGrid; LLR
k: 789
max n: 4.618.232
n = 1 4 digits
n = 6 5 digits
n = 9 6 digits
n = 13 7 digits
n = 21 10 digits
n = 30 12 digits
n = 57 21 digits
n = 69 24 digits
n = 105 35 digits
n = 151 49 digits
n = 171 55 digits
n = 243 77 digits
n = 978 298 digits
n = 1251 380 digits
n = 1611 488 digits
n = 1779 539 digits
n = 1909 578 digits
n = 1914 580 digits
n = 2307 698 digits
n = 2397 725 digits
n = 2589 783 digits
n = 3103 937 digits
n = 3199 966 digits
n = 4975 1501 digits
n = 6390 1927 digits
n = 13173 3969 digits
n = 19519 5879 digits Oct 1996 Patrick Demichel
n = 22713 6841 digits 1996 Patrick Demichel
n = 59593 17943 digits Oct 1998 Tadashi Taura; Proth
n = 135393 40761 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 148647 44751 digits
n = 160375 48281 digits Mar 2002 Anton Oleynick; Proth
n = 182263 54870 digits Mar 2005 John Metcalf; NewPGen; LLR
n = 273075 82207 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 434965 130941 digits May 2007 Ruediger K. Eckhard; LLR
n = 444439 133793 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 535627 161243 digits Aug 2008 Steven Harvey; FermFact; OpenPFGW
n = 746301 224662 digits Feb 2010 R Bruce Kennedy; srsieve; PrimeGrid; LLR
n = 759679 228690 digits Feb 2010 Pietari Snow; srsieve; PrimeGrid; LLR
n = 1114779 335585 digits Sep 2011 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1262973 380196 digits Nov 2011 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 1367445 411645 digits Jan 2012 Karl Josef Tonner; PSieve; srsieve; PrimeGrid; LLR
n = 1489887 448504 digits Feb 2012 Harvey Patterson; PSieve; srsieve; PrimeGrid; LLR
n = 2670409 803877 digits Oct 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3183463 958321 digits Feb 2022 Aaron Raimist; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3795409 1142535 digits Oct 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 791
max n: 4.618.832
n = 1 4 digits
n = 3 4 digits
n = 27 12 digits
n = 31 13 digits
n = 49 18 digits
n = 81 28 digits
n = 91 31 digits
n = 105 35 digits
n = 193 61 digits
n = 243 77 digits
n = 483 149 digits
n = 577 177 digits
n = 715 219 digits
n = 889 271 digits
n = 937 285 digits
n = 2641 798 digits
n = 4467 1348 digits
n = 6289 1897 digits
n = 10239 3086 digits
n = 17617 5307 digits Jul 1996 Patrick Demichel
n = 22825 6874 digits
n = 29049 8748 digits Aug 1998 Tadashi Taura; Proth
n = 29767 8964 digits Aug 1998 Tadashi Taura; Proth
n = 31071 9357 digits Jul 1998 Tadashi Taura; Proth
n = 56847 17116 digits
n = 65775 19804 digits
n = 82865 24948 digits
n = 116833 35174 digits
n = 265627 79965 digits
n = 272353 81990 digits
n = 286121 86134 digits
n = 630135 189693 digits Apr 2009 Sebastian Schwarz; srsieve; PrimeGrid; LLR
n = 752311 226472 digits Feb 2010 Arnaud Lemarotel; srsieve; PrimeGrid; LLR
n = 1135983 341968 digits Oct 2011 John Williams; PSieve; srsieve; PrimeGrid; LLR
n = 1885961 567734 digits Oct 2013 Bob Goellner; PSieve; srsieve; PrimeGrid; LLR
n = 3055695 919859 digits Jun 2021 Rudi Tapper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3323995 1000626 digits Oct 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 793
max n: 4.614.083
n = 4 5 digits
n = 6 5 digits
n = 10 6 digits
n = 16 8 digits
n = 18 9 digits
n = 58 21 digits
n = 70 24 digits
n = 90 30 digits
n = 126 41 digits
n = 136 44 digits
n = 152 49 digits
n = 156 50 digits
n = 174 56 digits
n = 204 65 digits
n = 212 67 digits
n = 262 82 digits
n = 412 127 digits
n = 478 147 digits
n = 608 186 digits
n = 828 253 digits
n = 908 277 digits
n = 1026 312 digits
n = 1384 420 digits
n = 1436 436 digits
n = 1678 509 digits
n = 1996 604 digits
n = 3408 1029 digits
n = 7016 2115 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7230 2180 digits 1993 Harvey Dubner; Dubner Cruncher
n = 27782 8367 digits Jun 1998 David Hanson; Proth
n = 31374 9448 digits Jul 1998 Tadashi Taura; Proth
n = 64008 19272 digits
n = 73542 22142 digits
n = 109504 32967 digits Dec 2001 Anton Oleynick; Proth
n = 117286 35310 digits
n = 159946 48152 digits
n = 225898 68005 digits Nov 2005 John Metcalf; NewPGen; LLR
n = 251716 75777 digits
n = 381230 114765 digits Nov 2007 Steven Harvey; FermFact; OpenPFGW
n = 422926 127317 digits May 2007 Ruediger K. Eckhard; LLR
n = 442194 133117 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 447604 134746 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 1075356 323718 digits Sep 2011 John S. Burningham; PSieve; srsieve; PrimeGrid; LLR
n = 1738400 523314 digits Jan 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2173720 654358 digits Apr 2014 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 3832174 1153603 digits Oct 2025 Andres Rojas; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 795
max n: 4.619.827
n = 2 4 digits
n = 3 4 digits
n = 4 5 digits
n = 10 6 digits
n = 11 7 digits
n = 19 9 digits
n = 20 9 digits
n = 31 13 digits
n = 58 21 digits
n = 76 26 digits
n = 79 27 digits
n = 81 28 digits
n = 83 28 digits
n = 282 88 digits
n = 288 90 digits
n = 345 107 digits
n = 360 112 digits
n = 1084 330 digits
n = 1543 468 digits
n = 1794 543 digits
n = 2149 650 digits
n = 2314 700 digits
n = 2584 781 digits
n = 4116 1242 digits
n = 5239 1580 digits
n = 6772 2042 digits Mar 1996 Patrick Demichel
n = 7779 2345 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8320 2508 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9916 2988 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13015 3921 digits
n = 32539 9799 digits
n = 42980 12942 digits
n = 50229 15124 digits May 1998 David Hanson; Proth
n = 57154 17208 digits
n = 63139 19010 digits
n = 64321 19366 digits
n = 164002 49373 digits Apr 2002 Anton Oleynick; Proth
n = 177530 53445 digits Jul 2003 Anton Oleynick; Proth
n = 307684 92626 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 313210 94289 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 389920 117381 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 431144 129791 digits Jun 2007 Ruediger K. Eckhard; LLR
n = 512914 154406 digits Apr 2008 Steven Harvey; FermFact; OpenPFGW
n = 582242 175276 digits Mar 2009 Pietari Snow; srsieve; PrimeGrid; LLR
n = 608479 183174 digits Mar 2009 Dale Laluk; srsieve; PrimeGrid; LLR
n = 921242 277325 digits May 2011 Ruediger K. Eckhard; LLR
n = 1040096 313103 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1770840 533079 digits Mar 2013 Tetsuya Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 2332488 702152 digits May 2016 Barry Walsh; PSieve; srsieve; PrimeGrid; LLR
n = 2848360 857445 digits Feb 2020 Eric Nietering; PSieve; srsieve; PrimeGrid; LLR
n = 3969719 1195008 digits Dec 2025 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4292436 1292155 digits Feb 2026 Ryo Takahashi; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 797
max n: 4.621.002
n = 35 14 digits
n = 83 28 digits
n = 179 57 digits
n = 859 262 digits
n = 107219 32280 digits Dec 2001 Anton Oleynick; Proth
k: 799
max n: 4.623.753
n = 6 5 digits
n = 26 11 digits
n = 102 34 digits
n = 242 76 digits
n = 366 114 digits
n = 386 120 digits
n = 1086 330 digits
n = 1226 372 digits
n = 1394 423 digits
n = 1570 476 digits
n = 1810 548 digits
n = 2350 711 digits
n = 3586 1083 digits
n = 5790 1746 digits
n = 30870 9296 digits Mar 1999 Tadashi Taura; Proth
n = 55746 16785 digits
n = 110326 33215 digits
n = 183370 55203 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 233454 70280 digits Sep 2005 John Metcalf; NewPGen; LLR
n = 445902 134233 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 846390 254792 digits Apr 2011 Wes Cure; PSieve; srsieve; PrimeGrid; LLR
n = 1192254 358908 digits Oct 2011 Raymond Brooks; PSieve; srsieve; PrimeGrid; LLR
n = 1293702 389447 digits Nov 2011 Michael Corsello; PSieve; srsieve; PrimeGrid; LLR
n = 1413586 425535 digits Jan 2012 Ondrej Hajek; PSieve; srsieve; PrimeGrid; LLR
k: 801
max n: 4.612.904
n = 5 5 digits
n = 12 7 digits
n = 23 10 digits
n = 36 14 digits
n = 41 16 digits
n = 132 43 digits
n = 288 90 digits
n = 432 133 digits
n = 743 227 digits
n = 876 267 digits
n = 1181 359 digits
n = 1193 363 digits
n = 1433 435 digits
n = 1845 559 digits
n = 2100 636 digits
n = 2381 720 digits
n = 11316 3410 digits May 1996 Patrick Demichel
n = 12215 3680 digits
n = 13637 4109 digits Feb 1998 Ray Ballinger; Proth
n = 17397 5240 digits Jul 1996 Patrick Demichel
n = 17952 5407 digits Oct 1996 Patrick Demichel
n = 20001 6024 digits Oct 1996 Patrick Demichel
n = 23220 6993 digits 1996 Patrick Demichel
n = 87117 26228 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 116625 35111 digits
n = 128207 38598 digits
n = 448596 135044 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 469733 141407 digits Dec 2008 Eric Ueda; srsieve; PrimeGrid; LLR
n = 474900 142963 digits Dec 2008 Jim Foody; srsieve; PrimeGrid; LLR
n = 485328 146102 digits Jan 2009 Volker Milbrandt; srsieve; PrimeGrid; LLR
n = 912071 274564 digits Jul 2010 Ruediger K. Eckhard; LLR
n = 3036045 913944 digits May 2021 Nathaniel Adam; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4519857 1360616 digits Apr 2026 Adrian Baker; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 803
max n: 4.619.856
n = 1 4 digits
n = 13 7 digits
n = 25 11 digits
n = 33 13 digits
n = 37 15 digits
n = 1449 440 digits
n = 2277 689 digits
n = 6553 1976 digits
n = 60825 18314 digits
n = 143721 43268 digits
n = 940693 283180 digits May 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 1959445 589855 digits Dec 2013 Giles Averay-Jones; PSieve; srsieve; PrimeGrid; LLR
n = 4241601 1276853 digits Feb 2026 Bryan Little; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 805
max n: 4.620.135
n = 2 4 digits
n = 6 5 digits
n = 8 6 digits
n = 18 9 digits
n = 62 22 digits
n = 66 23 digits
n = 1688 512 digits
n = 1782 540 digits
n = 2478 749 digits
n = 2896 875 digits
n = 2992 904 digits
n = 3498 1056 digits
n = 5862 1768 digits
n = 6328 1908 digits
n = 10322 3111 digits
n = 11896 3584 digits
n = 19792 5961 digits
n = 22242 6699 digits
n = 23692 7135 digits
n = 26058 7848 digits Aug 1998 Tadashi Taura; Proth
n = 164272 49454 digits Jan 2002 Anton Oleynick; Proth
n = 275442 82920 digits
n = 283918 85471 digits
n = 318212 95795 digits Mar 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 541106 162893 digits Feb 2009 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 1386368 417342 digits Jan 2012 Andreas Oelrich; PSieve; srsieve; PrimeGrid; LLR
n = 1576258 474504 digits Nov 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3391818 1021042 digits Apr 2017 Reiner Elgetz; PSieve; srsieve; PrimeGrid; LLR
k: 807
max n: 4.620.685
n = 2 4 digits
n = 8 6 digits
n = 11 7 digits
n = 12 7 digits
n = 26 11 digits
n = 31 13 digits
n = 39 15 digits
n = 44 17 digits
n = 51 19 digits
n = 68 24 digits
n = 84 29 digits
n = 87 30 digits
n = 107 36 digits
n = 170 55 digits
n = 187 60 digits
n = 299 93 digits
n = 334 104 digits
n = 447 138 digits
n = 574 176 digits
n = 608 186 digits
n = 1148 349 digits
n = 1280 389 digits
n = 1735 526 digits
n = 1790 542 digits
n = 2360 714 digits
n = 2472 748 digits
n = 2504 757 digits
n = 3446 1041 digits
n = 3971 1199 digits
n = 3972 1199 digits
n = 4067 1228 digits
n = 4376 1321 digits
n = 4608 1391 digits
n = 9412 2837 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10640 3206 digits
n = 17671 5323 digits Jul 1996 Patrick Demichel
n = 18971 5714 digits Oct 1996 Patrick Demichel
n = 19906 5996 digits Oct 1996 Patrick Demichel
n = 45015 13554 digits
n = 45178 13603 digits
n = 69516 20930 digits
n = 100095 30135 digits Oct 2001 Anton Oleynick; Proth
n = 138034 41556 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 149751 45083 digits
n = 154739 46584 digits
n = 157955 47553 digits
n = 183708 55305 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 206984 62312 digits Aug 2005 John Metcalf; Proth
n = 210082 63244 digits Sep 2005 John Metcalf; Proth
n = 210828 63469 digits Sep 2005 John Metcalf; Proth
n = 228279 68722 digits
n = 280324 84389 digits
n = 287686 86606 digits
n = 323679 97440 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 371324 111783 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 484727 145921 digits Jan 2009 Anthony Stockalis; srsieve; PrimeGrid; LLR
n = 532358 160259 digits Aug 2008 Steven Harvey; FermFact; OpenPFGW
n = 696608 209703 digits Jan 2010 Thurmond Harvey; srsieve; PrimeGrid; LLR
n = 817535 246106 digits Feb 2011 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 835928 251643 digits Apr 2011 John ODonnell; PSieve; srsieve; PrimeGrid; LLR
n = 2075519 624797 digits Jun 2014 Richard Cervelle; PSieve; srsieve; PrimeGrid; LLR
n = 2625044 790220 digits Aug 2018 Michael E. Jones; PSieve; srsieve; PrimeGrid; LLR
n = 3901696 1174531 digits Nov 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4037587 1215438 digits Dec 2025 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4202631 1265121 digits Feb 2026 Kyle Lewis; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 809
max n: 4.621.552
n = 1 4 digits
n = 3 4 digits
n = 5 5 digits
n = 7 6 digits
n = 9 6 digits
n = 17 9 digits
n = 19 9 digits
n = 31 13 digits
n = 35 14 digits
n = 37 15 digits
n = 41 16 digits
n = 47 18 digits
n = 61 22 digits
n = 131 43 digits
n = 143 46 digits
n = 279 87 digits
n = 399 124 digits
n = 675 207 digits
n = 1211 368 digits
n = 8249 2487 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12305 3708 digits
n = 38601 11623 digits
n = 68281 20558 digits
n = 124475 37474 digits
n = 175337 52785 digits Dec 2002 Anton Oleynick; Proth
n = 175519 52840 digits Dec 2002 Anton Oleynick; Proth
n = 239079 71973 digits
n = 264337 79577 digits
n = 353883 106533 digits Apr 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 486521 146461 digits Jan 2009 Eric Ueda; srsieve; PrimeGrid; LLR
n = 520875 156802 digits Aug 2008 Steven Harvey; FermFact; OpenPFGW
n = 749745 225699 digits Feb 2010 Michał Porzeziński; srsieve; PrimeGrid; LLR
n = 867053 261012 digits May 2011 Robert Ślęzak; PSieve; srsieve; PrimeGrid; LLR
n = 1029731 309983 digits Sep 2011 Matt Cooper; PSieve; srsieve; PrimeGrid; LLR
n = 2319373 698204 digits Apr 2016 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
n = 2333017 702312 digits May 2016 Jianwen Ling; PSieve; srsieve; PrimeGrid; LLR
k: 811
max n: 4.620.915
n = 16 8 digits
n = 20 9 digits
n = 44 17 digits
n = 68 24 digits
n = 124 41 digits
n = 460 142 digits
n = 608 186 digits
n = 680 208 digits
n = 2068 626 digits
n = 7316 2206 digits 1993 Harvey Dubner; Dubner Cruncher
n = 149540 45019 digits
n = 273116 82220 digits
n = 322016 96940 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 629404 189473 digits Apr 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 748484 225320 digits Feb 2010 Ian Bartholomew; srsieve; PrimeGrid; LLR
n = 2408096 724913 digits Sep 2016 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
n = 3216944 968400 digits Mar 2022 Jonathan Sipes; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 813
max n: 4.620.437
n = 1 4 digits
n = 2 4 digits
n = 4 5 digits
n = 5 5 digits
n = 8 6 digits
n = 9 6 digits
n = 28 12 digits
n = 29 12 digits
n = 33 13 digits
n = 45 17 digits
n = 48 18 digits
n = 49 18 digits
n = 57 21 digits
n = 58 21 digits
n = 69 24 digits
n = 76 26 digits
n = 85 29 digits
n = 86 29 digits
n = 89 30 digits
n = 93 31 digits
n = 173 55 digits
n = 209 66 digits
n = 241 76 digits
n = 345 107 digits
n = 373 116 digits
n = 374 116 digits
n = 438 135 digits
n = 496 153 digits
n = 528 162 digits
n = 696 213 digits
n = 788 241 digits
n = 873 266 digits
n = 909 277 digits
n = 925 282 digits
n = 957 291 digits
n = 1197 364 digits
n = 1749 530 digits
n = 4357 1315 digits
n = 4561 1376 digits
n = 4781 1443 digits
n = 8477 2555 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11306 3407 digits May 1996 Patrick Demichel
n = 11741 3538 digits
n = 12217 3681 digits
n = 15077 4542 digits Feb 1998 Charles F. Kerchner III; Proth
n = 15273 4601 digits Feb 1998 Charles F. Kerchner III; Proth
n = 22793 6865 digits 1996 Patrick Demichel
n = 24229 7297 digits Aug 1998 Tadashi Taura; Proth
n = 30342 9137 digits Mar 1999 Tadashi Taura; Proth
n = 34474 10381 digits
n = 41394 12464 digits Jul 1999 Jim Liddle; Proth
n = 42954 12934 digits Jul 1999 Jim Liddle; Proth
n = 43908 13221 digits Jul 1999 Jim Liddle; Proth
n = 70833 21326 digits
n = 81765 24617 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 106932 32193 digits Oct 2001 Anton Oleynick; Proth
n = 113774 34253 digits
n = 168756 50804 digits Jan 2002 Anton Oleynick; Proth
n = 198113 59641 digits Jun 2005 John Metcalf; NewPGen; LLR
n = 261493 78721 digits Jan 2007 John Metcalf; Proth
n = 529552 159414 digits Aug 2008 Steven Harvey; FermFact; OpenPFGW
n = 723802 217890 digits Feb 2010 Robert Zarecki; srsieve; PrimeGrid; LLR
n = 825068 248374 digits Apr 2011 John ODonnell; PSieve; srsieve; PrimeGrid; LLR
n = 963061 289914 digits Jun 2011 Bob Hurd; PSieve; srsieve; PrimeGrid; LLR
n = 1090874 328389 digits Sep 2011 John M. Dunn; PSieve; srsieve; PrimeGrid; LLR
n = 1111489 334595 digits Sep 2011 Kennichi Uehara; PSieve; srsieve; PrimeGrid; LLR
n = 1152824 347038 digits Oct 2011 Jelle Baris; PSieve; srsieve; PrimeGrid; LLR
n = 1179185 354973 digits Oct 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1267125 381446 digits Nov 2011 Maarten de Jong; PSieve; srsieve; PrimeGrid; LLR
n = 1725925 519559 digits Jan 2013 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 2626224 790576 digits Aug 2018 Jiri Eisler; PSieve; srsieve; PrimeGrid; LLR
n = 2639092 794449 digits Aug 2018 James Krauss; PSieve; srsieve; PrimeGrid; LLR
n = 2831757 852447 digits Jan 2020 Brian D. Niegocki; PSieve; srsieve; PrimeGrid; LLR
n = 3479728 1047506 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 4335309 1305061 digits Feb 2026 Will Steinbach; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 815
max n: 4.622.260
n = 3 4 digits
n = 11 7 digits
n = 21 10 digits
n = 47 18 digits
n = 219 69 digits
n = 371 115 digits
n = 717 219 digits
n = 1877 568 digits
n = 2937 888 digits
n = 13829 4166 digits
n = 17799 5361 digits Jul 1996 Patrick Demichel
n = 20261 6103 digits
n = 25583 7705 digits Jul 1998 Ray Ballinger; Proth
n = 52047 15671 digits
n = 158331 47666 digits
n = 392691 118215 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 415091 124958 digits May 2007 Steven Harvey; FermFact; OpenPFGW
n = 485457 146141 digits Jan 2009 Lukas Hron; srsieve; PrimeGrid; LLR
n = 497063 149634 digits Jan 2009 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 1164279 350486 digits Nov 2011 Kenichiro Ueta; PSieve; srsieve; PrimeGrid; LLR
n = 2185439 657886 digits Aug 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 817
max n: 4.619.895
n = 6 5 digits
n = 10 6 digits
n = 18 9 digits
n = 30 12 digits
n = 40 15 digits
n = 54 20 digits
n = 238 75 digits
n = 838 256 digits
n = 840 256 digits
n = 1054 321 digits
n = 1416 430 digits
n = 1510 458 digits
n = 8814 2657 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11242 3388 digits May 1996 Patrick Demichel
n = 15658 4717 digits Feb 1998 Charles F. Kerchner III; Proth
n = 18654 5619 digits Oct 1996 Patrick Demichel
n = 21430 6454 digits Nov 1998 Alfredo Cano; Proth
n = 26698 8040 digits Aug 1998 Tadashi Taura; Proth
n = 45462 13689 digits
n = 51430 15485 digits
n = 51726 15574 digits
n = 83502 25140 digits Feb 1999 David Hanson; Proth
n = 159630 48057 digits
n = 164266 49452 digits Jan 2002 Anton Oleynick; Proth
n = 212482 63967 digits Oct 2005 John Metcalf; Proth
n = 257728 77587 digits Dec 2006 John Metcalf; NewPGen; LLR
n = 264246 79549 digits Jan 2007 John Metcalf; Proth
n = 358578 107946 digits Dec 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 835966 251654 digits Apr 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 900664 271130 digits Jul 2010 Ruediger K. Eckhard; LLR
n = 1554994 468103 digits Nov 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 3753850 1130025 digits Sep 2025 Ken Preston; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3826096 1151773 digits Oct 2025 Joachim Haberer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3894442 1172347 digits Nov 2025 Honza Cholt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4564042 1373917 digits May 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 819
max n: 4.619.816
n = 3 4 digits
n = 5 5 digits
n = 9 6 digits
n = 10 6 digits
n = 15 8 digits
n = 19 9 digits
n = 22 10 digits
n = 59 21 digits
n = 63 22 digits
n = 70 24 digits
n = 82 28 digits
n = 97 33 digits
n = 157 51 digits
n = 167 54 digits
n = 205 65 digits
n = 210 67 digits
n = 274 86 digits
n = 290 91 digits
n = 363 113 digits
n = 477 147 digits
n = 750 229 digits
n = 815 249 digits
n = 1086 330 digits
n = 1114 339 digits
n = 1477 448 digits
n = 1479 449 digits
n = 1613 489 digits
n = 1707 517 digits
n = 1793 543 digits
n = 2730 825 digits
n = 2823 853 digits
n = 3575 1080 digits
n = 4786 1444 digits
n = 4862 1467 digits
n = 5135 1549 digits
n = 7770 2342 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9287 2799 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11745 3539 digits
n = 13830 4167 digits
n = 21217 6390 digits Oct 1996 Patrick Demichel
n = 21865 6585 digits Oct 1996 Patrick Demichel
n = 25110 7562 digits Apr 1998 Ray Ballinger; Proth
n = 26009 7833 digits Aug 1998 Tadashi Taura; Proth
n = 43454 13084 digits
n = 45078 13573 digits
n = 53657 16156 digits
n = 54405 16381 digits Oct 1998 Tadashi Taura; Proth
n = 66906 20144 digits
n = 75643 22774 digits
n = 104283 31396 digits Nov 2001 Anton Oleynick; Proth
n = 121602 36609 digits
n = 135573 40815 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 168057 50594 digits Jan 2002 Anton Oleynick; Proth
n = 168793 50815 digits Jan 2002 Anton Oleynick; Proth
n = 204345 61517 digits Aug 2005 John Metcalf; Proth
n = 237197 71407 digits May 2006 John Metcalf; Proth
n = 240734 72472 digits Jun 2006 John Metcalf; Proth
n = 303077 91239 digits Nov 2003 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 383666 115498 digits Dec 2007 Steven Harvey; FermFact; OpenPFGW
n = 586330 176506 digits Mar 2009 Dave Sunderland; srsieve; PrimeGrid; LLR
n = 691330 208114 digits Nov 2009 Thurmond Harvey; srsieve; PrimeGrid; LLR
n = 749966 225766 digits Feb 2010 Marc Roulleau; srsieve; PrimeGrid; LLR
n = 1058286 318579 digits Sep 2011 William Donovan; PSieve; srsieve; PrimeGrid; LLR
n = 2054470 618461 digits May 2014 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 2088423 628681 digits Jun 2014 Malcolm Beeson; PSieve; srsieve; PrimeGrid; LLR
n = 2190853 659516 digits Aug 2014 Jay Parangalan; PSieve; srsieve; PrimeGrid; LLR
n = 2206370 664187 digits Dec 2015 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
n = 2627529 790968 digits Aug 2018 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 2805389 844510 digits Sep 2019 Larry Ryan; PSieve; srsieve; PrimeGrid; LLR
n = 4633742 1394899 digits Jun 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 821
max n: 4.620.666
n = 3 4 digits
n = 9 6 digits
n = 13 7 digits
n = 57 21 digits
n = 93 31 digits
n = 175 56 digits
n = 549 169 digits
n = 597 183 digits
n = 613 188 digits
n = 685 210 digits
n = 1823 552 digits
n = 3735 1128 digits
n = 9795 2952 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10787 3251 digits
n = 11785 3551 digits
n = 13509 4070 digits Feb 1998 Ray Ballinger; Proth
n = 13623 4104 digits Feb 1998 Ray Ballinger; Proth
n = 51839 15609 digits
n = 54687 16466 digits
n = 71623 21564 digits
n = 188707 56810 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 198855 59865 digits May 2005 John Metcalf; Proth
n = 324885 97804 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 340209 102417 digits Dec 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 547803 164909 digits Feb 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 1177285 354402 digits Oct 2011 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 1248033 375699 digits Nov 2011 Ludovic Ferrandis; PSieve; srsieve; PrimeGrid; LLR
n = 1461453 439945 digits Jan 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 3327003 1001531 digits Nov 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 823
max n: 4.621.967
n = 6 5 digits
n = 18 9 digits
n = 20 9 digits
n = 22 10 digits
n = 26 11 digits
n = 36 14 digits
n = 98 33 digits
n = 224 71 digits
n = 522 161 digits
n = 560 172 digits
n = 1352 410 digits
n = 4440 1340 digits
n = 8014 2416 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8264 2491 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8528 2571 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11722 3532 digits
n = 13028 3925 digits
n = 18058 5439 digits Oct 1996 Patrick Demichel
n = 26744 8054 digits Aug 1998 Tadashi Taura; Proth
n = 28650 8628 digits Aug 1998 Tadashi Taura; Proth
n = 30416 9160 digits Mar 1999 Tadashi Taura; Proth
n = 40706 12257 digits
n = 65006 19572 digits
n = 70256 21153 digits
n = 120550 36293 digits
n = 148440 44688 digits
n = 156626 47153 digits
n = 191576 57674 digits Apr 2005 John Metcalf; Proth
n = 221924 66809 digits Jun 2005 John Metcalf; Proth
n = 240306 72343 digits
n = 275702 82998 digits
n = 939894 282940 digits Nov 2010 Ruediger K. Eckhard; LLR
n = 1023818 308203 digits Sep 2011 James Winskill; PSieve; srsieve; PrimeGrid; LLR
n = 1084526 326478 digits Sep 2011 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 4564836 1374156 digits May 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4570664 1375910 digits May 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 825
max n: 4.499.962
n = 2 4 digits
n = 7 6 digits
n = 11 7 digits
n = 16 8 digits
n = 28 12 digits
n = 31 13 digits
n = 41 16 digits
n = 44 17 digits
n = 89 30 digits
n = 115 38 digits
n = 236 74 digits
n = 292 91 digits
n = 647 198 digits
n = 734 224 digits
n = 959 292 digits
n = 1214 369 digits
n = 1904 577 digits
n = 2210 669 digits
n = 2344 709 digits
n = 2735 827 digits
n = 3113 941 digits
n = 4751 1434 digits
n = 5458 1646 digits
n = 6599 1990 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7139 2152 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7828 2360 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8122 2448 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8804 2654 digits 1993 Harvey Dubner; Dubner Cruncher
n = 15175 4572 digits Feb 1998 Charles F. Kerchner III; Proth
n = 24521 7385 digits Aug 1998 Tadashi Taura; Proth
n = 63328 19067 digits
n = 94436 28431 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 119795 36065 digits
n = 129236 38907 digits Jun 1999 Lars A Carlen; Proth
n = 140978 42442 digits
n = 142154 42796 digits
n = 169811 51122 digits Jan 2002 Anton Oleynick; Proth
n = 200534 60370 digits Feb 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 224992 67733 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 270370 81393 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 330952 99630 digits Dec 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 373331 112387 digits Nov 2008 Kai Strang; srsieve; PrimeGrid; LLR
n = 386225 116269 digits Dec 2007 Steven Harvey; FermFact; OpenPFGW
n = 433454 130486 digits Jan 2007 Ruediger K. Eckhard; LLR
n = 470111 141521 digits Jan 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 636779 191693 digits Apr 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 1243193 374242 digits Nov 2011 Tomasz R. Gwiazda; PSieve; srsieve; PrimeGrid; LLR
n = 1433131 431419 digits Jan 2012 Damian Peter Shaw; PSieve; srsieve; PrimeGrid; LLR
n = 1433899 431650 digits Jan 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 1515604 456246 digits Oct 2012 Rob Bosma; PSieve; srsieve; PrimeGrid; LLR
n = 1616204 486529 digits Dec 2012 Leo Janda; PSieve; srsieve; PrimeGrid; LLR
n = 1660087 499739 digits Dec 2012 Toshiya Satoh; PSieve; srsieve; PrimeGrid; LLR
n = 1825439 549515 digits Nov 2013 Allen Evans; PSieve; srsieve; PrimeGrid; LLR
n = 2474996 745051 digits Apr 2017 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
k: 827
max n: 4.499.987
n = 19 9 digits
n = 59 21 digits
n = 95 32 digits
n = 179 57 digits
n = 283 89 digits
n = 623 191 digits
n = 1183 360 digits
n = 1495 453 digits
n = 3775 1140 digits
n = 4835 1459 digits
n = 5207 1571 digits
n = 21727 6544 digits Nov 1998 Alfredo Cano; Proth
n = 127199 38294 digits
n = 262499 79023 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 1940747 584226 digits Dec 2013 Wayne Chang; PSieve; srsieve; PrimeGrid; LLR
k: 829
max n: 4.499.730
n = 18 9 digits
n = 7106 2143 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9770 2944 digits 1993 Harvey Dubner; Dubner Cruncher
n = 21354 6432 digits Nov 1998 Alfredo Cano; Proth
n = 190274 57282 digits Jan 2005 John Metcalf; NewPGen; LLR
n = 235314 70840 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 2561730 771161 digits Feb 2018 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 831
max n: 4.499.989
n = 1 4 digits
n = 4 5 digits
n = 9 6 digits
n = 27 12 digits
n = 45 17 digits
n = 99 33 digits
n = 195 62 digits
n = 580 178 digits
n = 709 217 digits
n = 717 219 digits
n = 747 228 digits
n = 892 272 digits
n = 1309 397 digits
n = 2197 665 digits
n = 2740 828 digits
n = 3700 1117 digits
n = 6667 2010 digits Mar 1996 Patrick Demichel
n = 7501 2261 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9345 2817 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12820 3863 digits
n = 14563 4387 digits
n = 17659 5319 digits Dec 1997 James Carpenter; Proth
n = 42547 12811 digits
n = 76777 23116 digits
n = 103365 31119 digits Nov 2001 Anton Oleynick; Proth
n = 162043 48783 digits Jan 2002 Anton Oleynick; Proth
n = 189573 57071 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 233539 70306 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 338605 101934 digits Mar 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 361161 108724 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 398905 120086 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 903717 272049 digits Sep 2010 Ruediger K. Eckhard; LLR
n = 2235253 672882 digits May 2013 Serge Batalov; srsieve; LLR
n = 4380595 1318694 digits Feb 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 833
max n: 4.499.985
n = 1 4 digits
n = 57 21 digits
n = 145 47 digits
n = 345 107 digits
n = 3037 918 digits
n = 5349 1614 digits
n = 42777 12881 digits
n = 115521 34779 digits
n = 502165 151170 digits Mar 2008 Peter Grobstich; NewPGen; PRP; Proth
n = 1708797 514403 digits Dec 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1967841 592383 digits Dec 2013 Joshua Green; PSieve; srsieve; PrimeGrid; LLR
n = 2578029 776067 digits Mar 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 3282181 988038 digits Jul 2022 Scott Lee; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3403765 1024639 digits Jun 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 835
max n: 4.499.976
n = 6 5 digits
n = 12 7 digits
n = 56 20 digits
n = 76 26 digits
n = 92 31 digits
n = 102 34 digits
n = 208 66 digits
n = 478 147 digits
n = 1128 343 digits
n = 1918 581 digits
n = 2046 619 digits
n = 4472 1350 digits
n = 6052 1825 digits 1993 Harvey Dubner; Dubner Cruncher
n = 69576 20948 digits
n = 76796 23121 digits
n = 191172 57552 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 297616 89595 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 320748 96558 digits Jul 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 396552 119377 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 483718 145617 digits Jan 2009 Ian Dickinson; srsieve; PrimeGrid; LLR
n = 856276 257768 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1337808 402724 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 837
max n: 4.499.984
n = 6 5 digits
n = 7 6 digits
n = 11 7 digits
n = 12 7 digits
n = 16 8 digits
n = 19 9 digits
n = 22 10 digits
n = 24 11 digits
n = 47 18 digits
n = 60 21 digits
n = 70 24 digits
n = 94 32 digits
n = 107 36 digits
n = 124 41 digits
n = 328 102 digits
n = 542 167 digits
n = 647 198 digits
n = 703 215 digits
n = 731 223 digits
n = 896 273 digits
n = 934 285 digits
n = 1168 355 digits
n = 1236 375 digits
n = 1452 441 digits
n = 1643 498 digits
n = 1694 513 digits
n = 1704 516 digits
n = 1823 552 digits
n = 2351 711 digits
n = 2974 899 digits
n = 4824 1456 digits
n = 7854 2368 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8512 2566 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9988 3010 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11100 3345 digits May 1996 Patrick Demichel
n = 12291 3703 digits
n = 12320 3712 digits
n = 12800 3857 digits
n = 17243 5194 digits Jul 1996 Patrick Demichel
n = 17502 5272 digits Jul 1996 Patrick Demichel
n = 23368 7038 digits 1996 Patrick Demichel
n = 23622 7114 digits 1996 Patrick Demichel
n = 26748 8055 digits Aug 1998 Tadashi Taura; Proth
n = 29276 8816 digits Aug 1998 Tadashi Taura; Proth
n = 59520 17921 digits
n = 60608 18248 digits Jan 1999 David Hanson; Proth
n = 113598 34200 digits
n = 133511 40194 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 195287 58791 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 212971 64114 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 222704 67044 digits
n = 315199 94888 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 349388 105180 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 402779 121252 digits Feb 2007 Steven Harvey; FermFact; OpenPFGW
n = 546024 164373 digits Feb 2009 Olaf Eiterig; srsieve; PrimeGrid; LLR
n = 604188 181882 digits Mar 2009 Michael Millette; srsieve; PrimeGrid; LLR
n = 614222 184903 digits Mar 2009 Bradford Nye; srsieve; PrimeGrid; LLR
n = 941654 283470 digits May 2011 Axel Pfeiffer; PSieve; srsieve; PrimeGrid; LLR
n = 1157520 348452 digits Oct 2011 Anders Åström; PSieve; srsieve; PrimeGrid; LLR
n = 1350463 406533 digits Jan 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 2259470 680172 digits Feb 2016 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 2402798 723318 digits Sep 2016 Larry Ryan; PSieve; srsieve; PrimeGrid; LLR
n = 2708160 815241 digits Feb 2019 William de Thomas; PSieve; srsieve; PrimeGrid; LLR
n = 3902111 1174656 digits Nov 2025 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4044971 1217661 digits Jan 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 839
max n: 4.499.873
n = 5 5 digits
n = 13 7 digits
n = 53 19 digits
n = 65 23 digits
n = 125 41 digits
n = 2321 702 digits
n = 2753 832 digits
n = 3005 908 digits
n = 27665 8331 digits Aug 1998 Tadashi Taura; Proth
n = 37925 11420 digits
n = 67889 20440 digits
n = 88103 26525 digits
n = 2928551 881585 digits Feb 2021 Roman Krompolc; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3369383 1014289 digits Feb 2017 Robert Lacroix; PSieve; srsieve; PrimeGrid; LLR
k: 841
max n: 4.499.996
n = 4 5 digits
n = 8 6 digits
n = 24 11 digits
n = 76 26 digits
n = 132 43 digits
n = 144 47 digits
n = 344 107 digits
n = 412 127 digits
n = 1304 396 digits
n = 1408 427 digits
n = 2292 693 digits
n = 17852 5377 digits Jul 1996 Patrick Demichel
n = 18136 5463 digits Jun 1998 Ray Ballinger; Proth
n = 54672 16461 digits
n = 59624 17952 digits
n = 78364 23593 digits
n = 144376 43465 digits
n = 179132 53928 digits Dec 2002 Anton Oleynick; Proth
n = 221544 66695 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 239976 72243 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 396028 119220 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 453236 136441 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 2264184 681591 digits Feb 2016 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 843
max n: 4.499.942
n = 2 4 digits
n = 9 6 digits
n = 12 7 digits
n = 14 8 digits
n = 20 9 digits
n = 26 11 digits
n = 29 12 digits
n = 81 28 digits
n = 89 30 digits
n = 101 34 digits
n = 110 37 digits
n = 149 48 digits
n = 192 61 digits
n = 230 73 digits
n = 245 77 digits
n = 300 94 digits
n = 392 121 digits
n = 422 130 digits
n = 590 181 digits
n = 810 247 digits
n = 1230 374 digits
n = 1392 422 digits
n = 3252 982 digits
n = 3734 1127 digits
n = 3854 1164 digits
n = 5390 1626 digits
n = 9770 2944 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12710 3830 digits
n = 12857 3874 digits
n = 13914 4192 digits
n = 32697 9846 digits
n = 47300 14242 digits Oct 1998 Tadashi Taura; Proth
n = 73394 22097 digits
n = 91076 27420 digits
n = 105330 31711 digits Dec 2001 Anton Oleynick; Proth
n = 120002 36128 digits
n = 138701 41757 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 175742 52907 digits Dec 2002 Anton Oleynick; Proth
n = 214220 64490 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 584873 176068 digits Mar 2009 Dr. Marcus Sackrow; srsieve; PrimeGrid; LLR
n = 1079652 325011 digits Sep 2011 John Utsey; PSieve; srsieve; PrimeGrid; LLR
n = 1137249 342349 digits Nov 2011 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 4301562 1294903 digits Feb 2026 Detlef Lexut; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4310840 1297696 digits Feb 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 845
max n: 4.499.883
n = 3 4 digits
n = 7 6 digits
n = 15 8 digits
n = 25 11 digits
n = 31 13 digits
n = 33 13 digits
n = 51 19 digits
n = 151 49 digits
n = 171 55 digits
n = 205 65 digits
n = 231 73 digits
n = 241 76 digits
n = 457 141 digits
n = 465 143 digits
n = 625 192 digits
n = 781 239 digits
n = 823 251 digits
n = 993 302 digits
n = 2211 669 digits
n = 2283 691 digits
n = 6637 2001 digits
n = 16027 4828 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16351 4926 digits Feb 1998 Charles F. Kerchner III; Proth
n = 47343 14255 digits
n = 79657 23983 digits
n = 99691 30013 digits
n = 148167 44606 digits
n = 219093 65957 digits
n = 234303 70536 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 390553 117572 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 399837 120366 digits Sep 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 738177 222217 digits Feb 2010 John S Morris III; srsieve; PrimeGrid; LLR
n = 952081 286608 digits Jun 2011 Dajgoro Labinac; PSieve; srsieve; PrimeGrid; LLR
n = 1036957 312159 digits Sep 2011 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 2868291 863445 digits May 2020 Lee Stephens; PSieve; srsieve; PrimeGrid; LLR
k: 847
max n: 4.499.956
n = 2 4 digits
n = 4 5 digits
n = 12 7 digits
n = 14 8 digits
n = 18 9 digits
n = 22 10 digits
n = 26 11 digits
n = 38 15 digits
n = 54 20 digits
n = 68 24 digits
n = 74 26 digits
n = 118 39 digits
n = 326 102 digits
n = 338 105 digits
n = 376 117 digits
n = 508 156 digits
n = 1108 337 digits
n = 1470 446 digits
n = 1766 535 digits
n = 1922 582 digits
n = 2284 691 digits
n = 2420 732 digits
n = 2438 737 digits
n = 2608 789 digits
n = 2820 852 digits
n = 3482 1052 digits
n = 3678 1111 digits
n = 7142 2153 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8524 2569 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10194 3072 digits
n = 12028 3624 digits
n = 32540 9799 digits
n = 36924 11119 digits
n = 41304 12437 digits
n = 61900 18637 digits
n = 68816 20719 digits
n = 97984 29500 digits
n = 98200 29565 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 125862 37892 digits
n = 182528 54950 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 184876 55657 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 254350 76570 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 277602 83570 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 353134 106307 digits May 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 388348 116908 digits Dec 2007 Steven Harvey; FermFact; OpenPFGW
n = 519964 156528 digits Oct 2008 Ruediger K. Eckhard; LLR
n = 1105730 332861 digits Sep 2011 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1477272 444707 digits Feb 2012 Martyn Bamber; PSieve; srsieve; PrimeGrid; LLR
n = 1670014 502728 digits Dec 2012 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 2049400 616934 digits May 2014 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2505540 754246 digits Jul 2017 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
k: 849
max n: 4.499.995
n = 1 4 digits
n = 3 4 digits
n = 9 6 digits
n = 13 7 digits
n = 17 9 digits
n = 25 11 digits
n = 27 12 digits
n = 29 12 digits
n = 31 13 digits
n = 45 17 digits
n = 51 19 digits
n = 81 28 digits
n = 90 31 digits
n = 91 31 digits
n = 93 31 digits
n = 102 34 digits
n = 113 37 digits
n = 125 41 digits
n = 129 42 digits
n = 163 52 digits
n = 178 57 digits
n = 190 61 digits
n = 211 67 digits
n = 217 69 digits
n = 221 70 digits
n = 237 75 digits
n = 242 76 digits
n = 350 109 digits
n = 371 115 digits
n = 843 257 digits
n = 877 267 digits
n = 883 269 digits
n = 1111 338 digits
n = 1183 360 digits
n = 1287 391 digits
n = 1453 441 digits
n = 1665 505 digits
n = 2486 752 digits
n = 2598 786 digits
n = 3331 1006 digits
n = 3655 1104 digits
n = 5085 1534 digits
n = 5841 1762 digits
n = 7327 2209 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7791 2349 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12125 3653 digits
n = 13009 3920 digits
n = 13066 3937 digits
n = 14933 4499 digits Feb 1998 Ray Ballinger; Proth
n = 18478 5566 digits Oct 1996 Patrick Demichel
n = 22113 6660 digits 1996 Patrick Demichel
n = 22385 6742 digits 1996 Patrick Demichel
n = 26655 8027 digits Aug 1998 Tadashi Taura; Proth
n = 27027 8139 digits Aug 1998 Tadashi Taura; Proth
n = 32401 9757 digits
n = 33683 10143 digits
n = 37429 11271 digits Mar 1998 David Hanson; Proth
n = 39111 11777 digits
n = 40323 12142 digits
n = 41995 12645 digits
n = 63817 19214 digits
n = 65821 19818 digits
n = 88425 26622 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 127739 38457 digits
n = 134902 40613 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 206779 62250 digits Sep 2004 Michael Sobolewski; Proth
n = 213650 64318 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 243949 73439 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 256410 77191 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 258721 77886 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 321139 96676 digits Oct 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 341413 102779 digits Feb 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 342679 103160 digits Jan 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 375237 112961 digits Nov 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 388261 116882 digits Dec 2007 Steven Harvey; FermFact; OpenPFGW
n = 478885 144162 digits Dec 2008 Patrick W. McKibbon; srsieve; PrimeGrid; LLR
n = 599283 180406 digits Mar 2009 Robert Birnie; srsieve; PrimeGrid; LLR
n = 619157 186388 digits Apr 2009 Andrzej Paweł Wójtowicz; srsieve; PrimeGrid; LLR
n = 636306 191551 digits Apr 2009 Ryan Dunlop; srsieve; PrimeGrid; LLR
n = 1913021 575880 digits Dec 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 3161727 951778 digits Jan 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3296427 992327 digits Jul 2022 Mark Williams; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3335669 1004140 digits Nov 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 4422543 1331322 digits Mar 2026 Jens Katzur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 851
max n: 4.499.991
n = 7 6 digits
n = 41 16 digits
n = 45 17 digits
n = 65 23 digits
n = 67 24 digits
n = 79 27 digits
n = 237 75 digits
n = 927 282 digits
n = 1735 526 digits
n = 1935 586 digits
n = 3599 1087 digits
n = 8059 2429 digits 1993 Harvey Dubner; Dubner Cruncher
n = 24591 7406 digits Aug 1998 Tadashi Taura; Proth
n = 47649 14347 digits
n = 53119 15994 digits
n = 60179 18119 digits
n = 62339 18769 digits
n = 70499 21226 digits
n = 91839 27650 digits
n = 93879 28264 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 118619 35711 digits
n = 137159 41292 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 140499 42298 digits
n = 194747 58628 digits Mar 2005 Jiong Sun; NewPGen; OpenPFGW
n = 224295 67523 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 310377 93436 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1126707 339176 digits Oct 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1438625 433073 digits Jan 2012 Michał Gasewicz; PSieve; srsieve; PrimeGrid; LLR
n = 1702569 512528 digits Dec 2012 Thierry Fausten; PSieve; srsieve; PrimeGrid; LLR
n = 1922179 578637 digits Dec 2013 Philip Poon; PSieve; srsieve; PrimeGrid; LLR
n = 2265691 682044 digits Feb 2016 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 2656411 799663 digits Sep 2018 James Wypych; PSieve; srsieve; PrimeGrid; LLR
n = 2902731 873813 digits Nov 2020 Rudi Tapper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3604395 1085034 digits Feb 2019 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 853
max n: 4.499.984
n = 2 4 digits
n = 4 5 digits
n = 22 10 digits
n = 28 12 digits
n = 38 15 digits
n = 40 15 digits
n = 44 17 digits
n = 50 18 digits
n = 112 37 digits
n = 154 50 digits
n = 304 95 digits
n = 478 147 digits
n = 784 239 digits
n = 794 242 digits
n = 1784 540 digits
n = 2482 751 digits
n = 2540 768 digits
n = 2710 819 digits
n = 2900 876 digits
n = 3278 990 digits
n = 4558 1376 digits
n = 5734 1730 digits
n = 9674 2916 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12178 3669 digits
n = 12608 3799 digits
n = 15308 4612 digits Feb 1998 Charles F. Kerchner III; Proth
n = 17972 5414 digits Jun 1998 Ray Ballinger; Proth
n = 30604 9216 digits Mar 1999 Tadashi Taura; Proth
n = 37144 11185 digits
n = 56158 16909 digits
n = 57448 17297 digits
n = 62924 18945 digits
n = 102274 30791 digits Oct 2001 Anton Oleynick; Proth
n = 127750 38460 digits
n = 130712 39352 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 147764 44485 digits
n = 155828 46912 digits
n = 165400 49794 digits Feb 2002 Anton Oleynick; Proth
n = 246418 74183 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 375412 113014 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 508240 152999 digits Apr 2008 Steven Harvey; FermFact; OpenPFGW
n = 1089560 327994 digits Sep 2011 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1592254 479320 digits Nov 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 855
max n: 4.499.995
n = 3 4 digits
n = 4 5 digits
n = 5 5 digits
n = 6 5 digits
n = 7 6 digits
n = 10 6 digits
n = 11 7 digits
n = 17 9 digits
n = 18 9 digits
n = 25 11 digits
n = 27 12 digits
n = 31 13 digits
n = 33 13 digits
n = 40 15 digits
n = 41 16 digits
n = 65 23 digits
n = 66 23 digits
n = 70 25 digits
n = 91 31 digits
n = 93 31 digits
n = 94 32 digits
n = 109 36 digits
n = 127 42 digits
n = 133 43 digits
n = 136 44 digits
n = 189 60 digits
n = 213 68 digits
n = 274 86 digits
n = 287 90 digits
n = 335 104 digits
n = 454 140 digits
n = 457 141 digits
n = 478 147 digits
n = 481 148 digits
n = 539 166 digits
n = 691 211 digits
n = 797 243 digits
n = 1114 339 digits
n = 1199 364 digits
n = 1234 375 digits
n = 1515 459 digits
n = 1585 481 digits
n = 1875 568 digits
n = 1994 604 digits
n = 2151 651 digits
n = 3168 957 digits
n = 3861 1166 digits
n = 4420 1334 digits
n = 4626 1396 digits
n = 5341 1611 digits
n = 5958 1797 digits
n = 7018 2116 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8666 2612 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10074 3036 digits
n = 10498 3164 digits
n = 11353 3421 digits May 1996 Patrick Demichel
n = 14839 4470 digits Feb 1998 Ray Ballinger; Proth
n = 17338 5223 digits Jul 1996 Patrick Demichel
n = 17894 5390 digits Oct 1996 Patrick Demichel
n = 28153 8478 digits Aug 1998 Tadashi Taura; Proth
n = 28991 8731 digits Aug 1998 Tadashi Taura; Proth
n = 40507 12197 digits
n = 51785 15592 digits
n = 54876 16523 digits
n = 55379 16674 digits
n = 64178 19323 digits Dec 2000 Jeremy A. Rouse; Proth
n = 67245 20246 digits Dec 2000 Jeremy A. Rouse; Proth
n = 71629 21566 digits Dec 2000 Jeremy A. Rouse; Proth
n = 78761 23713 digits Dec 2000 Jeremy A. Rouse; Proth
n = 101525 30566 digits Dec 2000 Jeremy A. Rouse; Proth
n = 105349 31717 digits Dec 2000 Jeremy A. Rouse; Proth
n = 112535 33880 digits Dec 2000 Jeremy A. Rouse; Proth
n = 129408 38959 digits Jun 1999 Lars A Carlen; Proth
n = 165027 49682 digits Feb 2002 Anton Oleynick; Proth
n = 166831 50225 digits Feb 2002 Anton Oleynick; Proth
n = 193716 58318 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 207833 62567 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 213807 64366 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 243334 73254 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 376141 113233 digits May 2007 Peter Benson; NewPGen; LLR
n = 452455 136206 digits May 2007 Peter Benson; NewPGen; LLR
n = 552791 166410 digits Jul 2007 Peter Benson; FermFact; LLR
n = 1129695 340076 digits Oct 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1145019 344688 digits Oct 2011 Dylan Kenney; PSieve; srsieve; PrimeGrid; LLR
n = 1444094 434719 digits Jan 2012 James Nobis; PSieve; srsieve; PrimeGrid; LLR
n = 1449637 436388 digits Feb 2012 James P. Burt; PSieve; srsieve; PrimeGrid; LLR
n = 1582921 476510 digits Nov 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1703065 512677 digits Dec 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1756269 528693 digits Mar 2013 William Fick; PSieve; srsieve; PrimeGrid; LLR
n = 1768644 532418 digits Mar 2013 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 2929550 881886 digits Jan 2021 Tim Terry; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3183158 958229 digits Feb 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3798877 1143579 digits Oct 2025 Vince Mendrik; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3968567 1194661 digits Dec 2025 Michael Wang; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3996465 1203059 digits Dec 2025 Adrian Baker; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4217734 1269668 digits Feb 2026 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4310877 1297707 digits Feb 2026 Michael Becker; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4368658 1315101 digits Feb 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 857
max n: 4.499.663
n = 3 4 digits
n = 15 8 digits
n = 47 18 digits
n = 147 48 digits
n = 687 210 digits
n = 3819 1153 digits
n = 6663 2009 digits Mar 1996 Patrick Demichel
n = 6999 2110 digits 1993 Harvey Dubner; Dubner Cruncher
n = 29775 8967 digits Aug 1998 Tadashi Taura; Proth
n = 51531 15516 digits
n = 187215 56361 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 206627 62204 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 330035 99354 digits Dec 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 2463411 741564 digits Mar 2017 Hendrik Schawe; PSieve; srsieve; PrimeGrid; LLR
k: 859
max n: 4.499.938
n = 10 6 digits
n = 22 10 digits
n = 118 39 digits
n = 1294 393 digits
n = 2458 743 digits
n = 109222 32883 digits Oct 2001 Anton Oleynick; Proth
k: 861
max n: 4.499.980
n = 1 4 digits
n = 12 7 digits
n = 25 11 digits
n = 51 19 digits
n = 61 22 digits
n = 76 26 digits
n = 96 32 digits
n = 99 33 digits
n = 120 40 digits
n = 131 43 digits
n = 164 53 digits
n = 168 54 digits
n = 188 60 digits
n = 228 72 digits
n = 276 87 digits
n = 336 105 digits
n = 361 112 digits
n = 388 120 digits
n = 405 125 digits
n = 628 192 digits
n = 680 208 digits
n = 839 256 digits
n = 1228 373 digits
n = 1232 374 digits
n = 1360 413 digits
n = 1968 596 digits
n = 2256 683 digits
n = 2355 712 digits
n = 2392 723 digits
n = 3863 1166 digits
n = 4075 1230 digits
n = 5176 1562 digits
n = 7405 2233 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8915 2687 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9395 2832 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10052 3029 digits
n = 12099 3646 digits
n = 17183 5176 digits Jul 1996 Patrick Demichel
n = 18812 5666 digits
n = 19941 6006 digits Oct 1996 Patrick Demichel
n = 22020 6632 digits 1996 Patrick Demichel
n = 26604 8012 digits Aug 1998 Tadashi Taura; Proth
n = 29532 8893 digits Aug 1998 Tadashi Taura; Proth
n = 51708 15569 digits
n = 63772 19201 digits
n = 77848 23438 digits
n = 93616 28185 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 158929 47846 digits
n = 196341 59108 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 271544 81746 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 372424 112114 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 548116 165003 digits Feb 2009 Joakim Bergman; srsieve; PrimeGrid; LLR
n = 557092 167705 digits Feb 2009 Peter Tibbott; srsieve; PrimeGrid; LLR
n = 615463 185276 digits Mar 2009 Carl Liberato; srsieve; PrimeGrid; LLR
n = 620508 186795 digits Apr 2009 Benjamin Bohlke; srsieve; PrimeGrid; LLR
n = 706780 212765 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 775199 233362 digits Feb 2010 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 3377601 1016763 digits Mar 2017 Mike Kinney; PSieve; srsieve; PrimeGrid; LLR
n = 3611815 1087268 digits Mar 2019 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 3708816 1116468 digits Sep 2025 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 863
max n: 4.499.837
n = 5 5 digits
n = 17 9 digits
n = 37 15 digits
n = 193 62 digits
n = 377 117 digits
n = 2165 655 digits
n = 2933 886 digits
n = 13957 4205 digits
n = 27745 8356 digits Aug 1998 Tadashi Taura; Proth
n = 31165 9385 digits Jul 1998 Tadashi Taura; Proth
n = 110905 33389 digits
n = 249745 75184 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 504085 151748 digits Apr 2008 Steven Harvey; FermFact; OpenPFGW
n = 1020077 307077 digits Jun 2011 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1200565 361410 digits Nov 2011 Ken Heinicken; PSieve; srsieve; PrimeGrid; LLR
n = 1336093 402208 digits Jan 2012 Ross Goudie; PSieve; srsieve; PrimeGrid; LLR
n = 1778737 535457 digits Mar 2013 Tetsuya Watanabe; PSieve; srsieve; PrimeGrid; LLR
k: 865
max n: 4.499.994
n = 2 4 digits
n = 4 5 digits
n = 12 7 digits
n = 14 8 digits
n = 20 9 digits
n = 22 10 digits
n = 84 29 digits
n = 142 46 digits
n = 180 58 digits
n = 210 67 digits
n = 266 84 digits
n = 516 159 digits
n = 520 160 digits
n = 614 188 digits
n = 624 191 digits
n = 632 194 digits
n = 1662 504 digits
n = 3200 967 digits
n = 3822 1154 digits
n = 10670 3215 digits
n = 29492 8881 digits Aug 1998 Tadashi Taura; Proth
n = 57226 17230 digits
n = 57662 17361 digits
n = 66432 20001 digits
n = 91542 27560 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 192856 58059 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 204754 61641 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 210094 63248 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 382622 115184 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 972132 292644 digits Jun 2011 Mirko Wunder; PSieve; srsieve; PrimeGrid; LLR
n = 1161090 349526 digits Oct 2011 Takeshi Sasahara; PSieve; srsieve; PrimeGrid; LLR
n = 1938180 583454 digits Dec 2013 Charles E. Nadeau; PSieve; srsieve; PrimeGrid; LLR
n = 2687434 809002 digits Dec 2018 Giovanni Valentino; PSieve; srsieve; PrimeGrid; LLR
n = 3147482 947490 digits Dec 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3853066 1159892 digits Nov 2025 Robert Lacroix; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 867
max n: 4.499.851
n = 2 4 digits
n = 4 5 digits
n = 7 6 digits
n = 8 6 digits
n = 43 16 digits
n = 52 19 digits
n = 134 44 digits
n = 304 95 digits
n = 607 186 digits
n = 712 218 digits
n = 866 264 digits
n = 1387 421 digits
n = 2216 671 digits
n = 2947 891 digits
n = 3652 1103 digits
n = 11168 3365 digits May 1996 Patrick Demichel
n = 13274 3999 digits
n = 14011 4221 digits Jan 1998 Ray Ballinger; Proth
n = 19327 5821 digits
n = 22471 6768 digits 1996 Patrick Demichel
n = 32731 9856 digits
n = 42146 12691 digits
n = 56656 17059 digits
n = 117811 35468 digits
n = 201116 60545 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 228863 68898 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 323107 97268 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 688456 207249 digits Oct 2009 Valentin Baca; srsieve; PrimeGrid; LLR
n = 1742474 524540 digits Jan 2013 GertJan van Oenen; PSieve; srsieve; PrimeGrid; LLR
n = 3547711 1067971 digits Sep 2018 Mark Jones; PSieve; srsieve; PrimeGrid; LLR
n = 3923783 1181180 digits Nov 2025 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 869
max n: 4.499.961
n = 5 5 digits
n = 9 6 digits
n = 15 8 digits
n = 25 11 digits
n = 29 12 digits
n = 31 13 digits
n = 41 16 digits
n = 45 17 digits
n = 61 22 digits
n = 183 59 digits
n = 257 81 digits
n = 265 83 digits
n = 481 148 digits
n = 583 179 digits
n = 713 218 digits
n = 841 257 digits
n = 933 284 digits
n = 1095 333 digits
n = 1143 348 digits
n = 1709 518 digits
n = 2383 721 digits
n = 2559 774 digits
n = 4397 1327 digits
n = 6233 1880 digits
n = 12013 3620 digits
n = 31793 9574 digits Jul 1998 Tadashi Taura; Proth
n = 39679 11948 digits
n = 53671 16160 digits
n = 59997 18064 digits
n = 67165 20222 digits
n = 73845 22233 digits
n = 338197 101811 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 487791 146843 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1000725 301252 digits Feb 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1062609 319881 digits Sep 2011 Fabrício Aguirre; PSieve; srsieve; PrimeGrid; LLR
n = 1364737 410830 digits Jan 2012 Alexey Derkach; PSieve; srsieve; PrimeGrid; LLR
n = 1389895 418404 digits Jan 2012 Ross Goudie; PSieve; srsieve; PrimeGrid; LLR
n = 3030655 912322 digits May 2021 Krzysztof Ostaszewski; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3650049 1098778 digits Sep 2025 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4464279 1343885 digits Mar 2026 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 871
max n: 4.499.720
n = 8 6 digits
n = 20 9 digits
n = 132 43 digits
n = 312 97 digits
n = 1568 475 digits
n = 10208 3076 digits
n = 326672 98342 digits Oct 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 655608 197361 digits Jun 2009 Dale Laluk; srsieve; PrimeGrid; LLR
n = 1635488 492334 digits Dec 2012 Bogdan F. Horotan; PSieve; srsieve; PrimeGrid; LLR
k: 873
max n: 4.499.997
n = 1 4 digits
n = 16 8 digits
n = 25 11 digits
n = 81 28 digits
n = 82 28 digits
n = 85 29 digits
n = 106 35 digits
n = 112 37 digits
n = 145 47 digits
n = 190 61 digits
n = 369 115 digits
n = 420 130 digits
n = 477 147 digits
n = 489 151 digits
n = 501 154 digits
n = 520 160 digits
n = 525 161 digits
n = 1626 493 digits
n = 1678 509 digits
n = 5152 1554 digits
n = 5997 1809 digits
n = 6805 2052 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7858 2369 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8281 2496 digits 1993 Harvey Dubner; Dubner Cruncher
n = 15546 4683 digits Feb 1998 Charles F. Kerchner III; Proth
n = 22630 6816 digits 1996 Patrick Demichel
n = 41937 12628 digits
n = 45282 13635 digits
n = 112216 33784 digits
n = 135094 40671 digits
n = 181705 54702 digits
n = 801010 241131 digits Feb 2011 Ryszard Walczak; PSieve; srsieve; PrimeGrid; LLR
n = 922545 277717 digits Nov 2010 Ruediger K. Eckhard; LLR
n = 929422 279787 digits Nov 2010 Ruediger K. Eckhard; LLR
n = 1692706 509559 digits Dec 2012 Jacob Mueller; PSieve; srsieve; PrimeGrid; LLR
n = 2311086 695710 digits Mar 2016 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
n = 3796065 1142733 digits Oct 2025 Bruce Marler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4016748 1209165 digits Dec 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 875
max n: 4.499.979
n = 3 4 digits
n = 5 5 digits
n = 13 7 digits
n = 19 9 digits
n = 21 10 digits
n = 43 16 digits
n = 47 18 digits
n = 141 46 digits
n = 173 56 digits
n = 213 68 digits
n = 253 80 digits
n = 303 95 digits
n = 453 140 digits
n = 1815 550 digits
n = 4623 1395 digits
n = 6623 1997 digits
n = 10779 3248 digits
n = 16467 4961 digits Mar 1998 Charles F. Kerchner III; Proth
n = 16685 5026 digits Mar 1998 Charles F. Kerchner III; Proth
n = 17711 5335 digits Jul 1996 Patrick Demichel
n = 24711 7442 digits Aug 1998 Tadashi Taura; Proth
n = 74559 22448 digits
n = 90347 27201 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 129279 38920 digits Jun 1999 Lars A Carlen; Proth
n = 163927 49350 digits Feb 2002 Anton Oleynick; Proth
n = 166795 50214 digits Mar 2002 Anton Oleynick; Proth
n = 195343 58808 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 381471 114838 digits Dec 2007 Steven Harvey; FermFact; OpenPFGW
n = 883743 266037 digits May 2011 Paul Arthur MacIain; PSieve; srsieve; PrimeGrid; LLR
n = 1017103 306182 digits May 2011 Marco Micheli; PSieve; srsieve; PrimeGrid; LLR
n = 1163883 350367 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1591229 479011 digits Nov 2012 Marian Vicena; PSieve; srsieve; PrimeGrid; LLR
n = 1814911 546346 digits Nov 2013 Mark Williams; PSieve; srsieve; PrimeGrid; LLR
n = 1818427 547405 digits Nov 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2246363 676226 digits Jan 2016 Justin Keenan; PSieve; srsieve; PrimeGrid; LLR
n = 3018175 908565 digits May 2021 LaDonna Jones; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3063847 922313 digits Jul 2021 Lee Blyth; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3256589 980334 digits May 2022 Per Provencher; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 877
max n: 4.499.984
n = 4 5 digits
n = 8 6 digits
n = 20 9 digits
n = 28 12 digits
n = 36 14 digits
n = 56 20 digits
n = 144 47 digits
n = 154 50 digits
n = 224 71 digits
n = 228 72 digits
n = 238 75 digits
n = 308 96 digits
n = 340 106 digits
n = 416 129 digits
n = 810 247 digits
n = 974 297 digits
n = 1198 364 digits
n = 1258 382 digits
n = 1260 383 digits
n = 1320 401 digits
n = 1536 466 digits
n = 2104 637 digits
n = 2180 660 digits
n = 3976 1200 digits
n = 4240 1280 digits
n = 5458 1646 digits
n = 6568 1981 digits
n = 7778 2345 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9820 2960 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11296 3404 digits May 1996 Patrick Demichel
n = 22564 6796 digits
n = 28370 8544 digits Aug 1998 Tadashi Taura; Proth
n = 40320 12141 digits
n = 60884 18331 digits
n = 92530 27858 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 99276 29888 digits
n = 101160 30456 digits Oct 2001 Anton Oleynick; Proth
n = 110170 33168 digits
n = 140424 42275 digits
n = 380544 114559 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 413000 124329 digits Jun 2007 Steven Harvey; FermFact; OpenPFGW
n = 575074 173118 digits Mar 2009 Ville Koskinen; srsieve; PrimeGrid; LLR
n = 779320 234602 digits Feb 2010 Tomasz Knebel; srsieve; PrimeGrid; LLR
n = 1165554 350870 digits Oct 2011 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1251678 376796 digits Nov 2011 Edwin Schaap; PSieve; srsieve; PrimeGrid; LLR
n = 1489150 448282 digits Feb 2012 Eric Pozharski; PSieve; srsieve; PrimeGrid; LLR
n = 3684190 1109055 digits Sep 2025 Ken Preston; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 879
max n: 4.499.998
n = 1 4 digits
n = 2 4 digits
n = 13 7 digits
n = 17 9 digits
n = 18 9 digits
n = 19 9 digits
n = 22 10 digits
n = 31 13 digits
n = 35 14 digits
n = 41 16 digits
n = 55 20 digits
n = 85 29 digits
n = 161 52 digits
n = 165 53 digits
n = 193 62 digits
n = 301 94 digits
n = 331 103 digits
n = 366 114 digits
n = 535 164 digits
n = 598 183 digits
n = 779 238 digits
n = 938 286 digits
n = 1097 334 digits
n = 1519 461 digits
n = 1529 464 digits
n = 1547 469 digits
n = 1701 515 digits
n = 1718 521 digits
n = 2622 793 digits
n = 4429 1337 digits
n = 4982 1503 digits
n = 5165 1558 digits
n = 9757 2941 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11438 3447 digits
n = 11938 3597 digits
n = 16233 4890 digits Feb 1998 Charles F. Kerchner III; Proth
n = 20309 6117 digits Oct 1996 Patrick Demichel
n = 31225 9403 digits Jul 1998 Tadashi Taura; Proth
n = 60009 18068 digits
n = 66337 19973 digits
n = 104215 31375 digits Oct 2001 Anton Oleynick; Proth
n = 110075 33139 digits
n = 111461 33557 digits
n = 118762 35754 digits
n = 147382 44370 digits
n = 181521 54647 digits
n = 183746 55317 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 232162 69891 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 315917 95104 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 322065 96955 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 362725 109195 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 585649 176301 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 667629 200980 digits Aug 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 739675 222668 digits Feb 2010 Dene Gillaspy; srsieve; PrimeGrid; LLR
n = 1175478 353858 digits Oct 2011 Jim Foody; PSieve; srsieve; PrimeGrid; LLR
n = 1672525 503484 digits Dec 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1727602 520063 digits Jan 2013 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1883385 566959 digits Nov 2013 Nikolay Yurgandzhiev; PSieve; srsieve; PrimeGrid; LLR
n = 2026501 610041 digits May 2014 Thurmond Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 2177186 655402 digits Aug 2014 Yuki Yoshigoe; PSieve; srsieve; PrimeGrid; LLR
n = 2491342 749972 digits Jun 2017 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 2639962 794711 digits Aug 2018 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 3688853 1110459 digits Sep 2025 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4212887 1268209 digits Feb 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 881
max n: 4.499.959
n = 1027 313 digits
n = 1363 414 digits
n = 2243 679 digits
n = 3379 1021 digits
n = 6197 1869 digits
n = 12329 3715 digits
n = 13487 4063 digits Feb 1998 Ray Ballinger; Proth
n = 60907 18338 digits Feb 1999 David Hanson; Proth
n = 101633 30598 digits Oct 1999 Jim Liddle; Proth
n = 119377 35940 digits Oct 1999 Jim Liddle; Proth
n = 151931 45739 digits
n = 178159 53635 digits Feb 2003 Anton Oleynick; Proth
n = 472687 142296 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 638437 192192 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 1052749 316912 digits Sep 2011 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1399963 421434 digits Jan 2012 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 2008309 604565 digits Apr 2014 Konstantin Stanko; PSieve; srsieve; PrimeGrid; LLR
n = 4489747 1351552 digits Apr 2026 Hiroki Saito; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 883
max n: 4.499.998
n = 2 4 digits
n = 10 6 digits
n = 18 9 digits
n = 20 9 digits
n = 30 12 digits
n = 34 14 digits
n = 78 27 digits
n = 90 31 digits
n = 378 117 digits
n = 412 127 digits
n = 610 187 digits
n = 954 291 digits
n = 1382 419 digits
n = 1420 431 digits
n = 2108 638 digits
n = 3062 925 digits
n = 3722 1124 digits
n = 5598 1689 digits
n = 5660 1707 digits
n = 8854 2669 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8922 2689 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9798 2953 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14092 4246 digits Feb 1998 Ray Ballinger; Proth
n = 17602 5302 digits Jun 1998 Ray Ballinger; Proth
n = 17922 5399 digits Oct 1996 Patrick Demichel
n = 24110 7261 digits Aug 1998 Tadashi Taura; Proth
n = 56862 17121 digits
n = 86444 26026 digits
n = 124898 37601 digits
n = 181532 54650 digits
n = 205198 61774 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 237244 71421 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 394148 118654 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 453818 136616 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 469622 141374 digits Dec 2008 Patrick W. McKibbon; srsieve; PrimeGrid; LLR
n = 1167442 351439 digits Oct 2011 Hiroki Ishikawa; PSieve; srsieve; PrimeGrid; LLR
n = 1212322 364949 digits Nov 2011 Michael Thanry; PSieve; srsieve; PrimeGrid; LLR
n = 1257858 378656 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1694710 510162 digits Dec 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1780324 535934 digits Mar 2013 James Newberry; PSieve; srsieve; PrimeGrid; LLR
n = 2469268 743327 digits Mar 2017 Jeffrey Mangio; PSieve; srsieve; PrimeGrid; LLR
n = 2506382 754500 digits Jul 2017 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 885
max n: 4.499.894
n = 2 4 digits
n = 14 8 digits
n = 17 9 digits
n = 29 12 digits
n = 32 13 digits
n = 35 14 digits
n = 38 15 digits
n = 65 23 digits
n = 176 56 digits
n = 203 65 digits
n = 272 85 digits
n = 312 97 digits
n = 350 109 digits
n = 734 224 digits
n = 783 239 digits
n = 1016 309 digits
n = 1856 562 digits
n = 4154 1254 digits
n = 4977 1502 digits
n = 5645 1703 digits
n = 6107 1842 digits
n = 7133 2151 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8018 2417 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9152 2758 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9689 2920 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11544 3479 digits
n = 12312 3710 digits
n = 17072 5143 digits May 1996 Patrick Demichel
n = 24192 7286 digits Aug 1998 Tadashi Taura; Proth
n = 28665 8632 digits Aug 1998 Tadashi Taura; Proth
n = 70064 21095 digits
n = 125519 37788 digits
n = 127103 38265 digits
n = 197054 59323 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 360513 108529 digits Apr 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 447527 134722 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 640490 192810 digits May 2009 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 685064 206228 digits Oct 2009 John S Morris III; srsieve; PrimeGrid; LLR
n = 2234318 672600 digits Jan 2016 Matej Rizman; PSieve; srsieve; PrimeGrid; LLR
n = 2886389 868893 digits Sep 2020 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
n = 2995274 901671 digits Mar 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3290927 990671 digits Jul 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3883077 1168926 digits Nov 2025 Marshall Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 887
max n: 4.499.847
n = 7 6 digits
n = 31 13 digits
n = 51 19 digits
n = 255 80 digits
n = 367 114 digits
n = 399 124 digits
n = 859 262 digits
n = 931 284 digits
n = 1215 369 digits
n = 1255 381 digits
n = 1447 439 digits
n = 2559 774 digits
n = 23427 7056 digits
n = 84039 25302 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 98227 29573 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 354103 106599 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 450283 135552 digits Dec 2008 Ian Dickinson; srsieve; PrimeGrid; LLR
n = 614875 185099 digits Apr 2009 Stéphane Guichard; srsieve; PrimeGrid; LLR
n = 2124027 639399 digits Jul 2014 Paulo Silva; PSieve; srsieve; PrimeGrid; LLR
n = 2228179 670752 digits Dec 2015 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
k: 889
max n: 4.499.742
n = 2 4 digits
n = 6 5 digits
n = 94 32 digits
n = 114 38 digits
n = 1018 310 digits
n = 1054 321 digits
n = 1290 392 digits
n = 1346 409 digits
n = 8678 2616 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9942 2996 digits 1993 Harvey Dubner; Dubner Cruncher
n = 39126 11782 digits
n = 40526 12203 digits
n = 46346 13955 digits
n = 50030 15064 digits Apr 1998 David Hanson; Proth
n = 68394 20592 digits
n = 73558 22147 digits
n = 75586 22757 digits
n = 163662 49271 digits Mar 2002 Anton Oleynick; Proth
n = 232006 69844 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 395042 118923 digits Nov 2007 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 493346 148515 digits Jan 2009 Payam Samidoost; srsieve; PrimeGrid; LLR
n = 679238 204474 digits Oct 2009 Yuuichi Koyama; srsieve; PrimeGrid; LLR
n = 945442 284610 digits Jun 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1707094 513890 digits Dec 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1806470 543805 digits Oct 2013 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 2231034 671612 digits Jan 2016 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
n = 2471082 743873 digits Mar 2017 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 2637834 794071 digits Aug 2018 Eric Eskam; PSieve; srsieve; PrimeGrid; LLR
n = 3699050 1113528 digits Sep 2025 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4417858 1329911 digits Feb 2026 Gary Bauer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 891
max n: 4.499.993
n = 1 4 digits
n = 3 4 digits
n = 5 5 digits
n = 8 6 digits
n = 9 6 digits
n = 21 10 digits
n = 23 10 digits
n = 39 15 digits
n = 41 16 digits
n = 59 21 digits
n = 80 28 digits
n = 95 32 digits
n = 144 47 digits
n = 159 51 digits
n = 168 54 digits
n = 169 54 digits
n = 308 96 digits
n = 315 98 digits
n = 328 102 digits
n = 363 113 digits
n = 480 148 digits
n = 664 203 digits
n = 756 231 digits
n = 793 242 digits
n = 939 286 digits
n = 1849 560 digits
n = 2556 773 digits
n = 3704 1118 digits
n = 5020 1515 digits
n = 6421 1936 digits
n = 6581 1985 digits
n = 28824 8680 digits Aug 1998 Tadashi Taura; Proth
n = 41529 12505 digits
n = 41724 12564 digits
n = 44544 13413 digits
n = 50720 15272 digits
n = 79309 23878 digits
n = 102413 30833 digits Oct 2001 Anton Oleynick; Proth
n = 105629 31801 digits Oct 2001 Anton Oleynick; Proth
n = 130513 39292 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 153469 46202 digits
n = 168300 50667 digits Apr 2002 Anton Oleynick; Proth
n = 209625 63107 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 289949 87287 digits Mar 2006 Steven Harvey; FermFact; OpenPFGW
n = 311033 93634 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 359905 108346 digits Jan 2008 Steven Harvey; FermFact; OpenPFGW
n = 485040 146015 digits Jan 2009 Patrick W. McKibbon; srsieve; PrimeGrid; LLR
n = 614976 185130 digits Apr 2009 Michael Spall; srsieve; PrimeGrid; LLR
n = 769919 231772 digits Feb 2010 Adam Alexander; srsieve; PrimeGrid; LLR
n = 986476 296962 digits Jun 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1390163 418484 digits Jan 2012 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1561849 470167 digits Nov 2012 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 2000268 602144 digits Apr 2014 Pavel Pelikan; PSieve; srsieve; PrimeGrid; LLR
n = 2069024 622842 digits May 2014 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2810100 845928 digits Sep 2019 Daniel Martinez Cucalon; PSieve; srsieve; PrimeGrid; LLR
k: 893
max n: 4.499.993
n = 1 4 digits
n = 41 16 digits
n = 249 78 digits
n = 71537 21538 digits
n = 81041 24399 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 193921 58379 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 199961 60198 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 266137 80119 digits Dec 2005 Steven Harvey; FermFact; OpenPFGW
n = 459593 138355 digits Dec 2008 Alexander Rydekull; srsieve; PrimeGrid; LLR
n = 2758841 830497 digits Jul 2019 Koichi Soraku; PSieve; srsieve; PrimeGrid; LLR
n = 3800793 1144156 digits Oct 2025 Stephen P. Norton; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 895
max n: 4.499.884
n = 2 4 digits
n = 4 5 digits
n = 14 8 digits
n = 20 9 digits
n = 52 19 digits
n = 56 20 digits
n = 112 37 digits
n = 176 56 digits
n = 244 77 digits
n = 256 81 digits
n = 514 158 digits
n = 572 176 digits
n = 622 191 digits
n = 676 207 digits
n = 740 226 digits
n = 3710 1120 digits
n = 4072 1229 digits
n = 7526 2269 digits 1993 Harvey Dubner; Dubner Cruncher
n = 15526 4677 digits Feb 1998 Charles F. Kerchner III; Proth
n = 55504 16712 digits
n = 73346 22083 digits
n = 123022 37037 digits
n = 159634 48058 digits
n = 291340 87706 digits Mar 2006 Steven Harvey; FermFact; OpenPFGW
n = 514336 154834 digits May 2008 Steven Harvey; FermFact; OpenPFGW
n = 2417396 727712 digits Oct 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2671520 804211 digits Oct 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 897
max n: 4.499.995
n = 3 4 digits
n = 10 6 digits
n = 20 9 digits
n = 28 12 digits
n = 31 13 digits
n = 40 15 digits
n = 42 16 digits
n = 48 18 digits
n = 52 19 digits
n = 58 21 digits
n = 72 25 digits
n = 122 40 digits
n = 127 42 digits
n = 138 45 digits
n = 140 46 digits
n = 172 55 digits
n = 272 85 digits
n = 308 96 digits
n = 450 139 digits
n = 458 141 digits
n = 595 183 digits
n = 712 218 digits
n = 760 232 digits
n = 1200 365 digits
n = 1271 386 digits
n = 1407 427 digits
n = 1527 463 digits
n = 1575 478 digits
n = 2138 647 digits
n = 3140 949 digits
n = 5215 1573 digits
n = 9568 2884 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9732 2933 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9863 2973 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14228 4287 digits Feb 1998 Ray Ballinger; Proth
n = 15828 4768 digits Feb 1998 Charles F. Kerchner III; Proth
n = 17468 5262 digits
n = 21911 6599 digits Oct 1996 Patrick Demichel
n = 27020 8137 digits Aug 1998 Tadashi Taura; Proth
n = 28498 8582 digits Aug 1998 Tadashi Taura; Proth
n = 46688 14058 digits
n = 73260 22057 digits
n = 74883 22545 digits
n = 129220 38903 digits Jun 1999 Lars A Carlen; Proth
n = 139628 42036 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 166348 50079 digits Apr 2002 Anton Oleynick; Proth
n = 184492 55541 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 419223 126202 digits May 2007 Steven Harvey; FermFact; OpenPFGW
n = 465178 140036 digits Dec 2008 Eric Ueda; srsieve; PrimeGrid; LLR
n = 555048 167090 digits Mar 2009 Robert M Weis; srsieve; PrimeGrid; LLR
n = 666688 200697 digits Aug 2009 Andreas Kobara; srsieve; PrimeGrid; LLR
n = 1116263 336032 digits Sep 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 1303608 392429 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1322843 398219 digits Jan 2012 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1623927 488854 digits Dec 2012 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 1716807 516814 digits Jan 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 4035223 1214727 digits Dec 2025 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 899
max n: 4.499.925
n = 3 4 digits
n = 9 6 digits
n = 11 7 digits
n = 59 21 digits
n = 171 55 digits
n = 435 134 digits
n = 933 284 digits
n = 1979 599 digits
n = 8205 2473 digits 1993 Harvey Dubner; Dubner Cruncher
n = 50739 15277 digits
n = 97413 29328 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 104469 31452 digits Oct 2001 Anton Oleynick; Proth
n = 113517 34175 digits
n = 250917 75537 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 330405 99465 digits Jan 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 3198219 962763 digits Feb 2022 Larry Soule; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4285635 1290108 digits Feb 2026 Vladislav Ketamino; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 901
max n: 4.499.856
n = 12 7 digits
n = 732 224 digits
n = 864 264 digits
n = 984 300 digits
n = 40332 12145 digits
k: 903
max n: 4.499.996
n = 2 4 digits
n = 4 5 digits
n = 6 5 digits
n = 8 6 digits
n = 9 6 digits
n = 18 9 digits
n = 21 10 digits
n = 24 11 digits
n = 32 13 digits
n = 58 21 digits
n = 74 26 digits
n = 89 30 digits
n = 122 40 digits
n = 326 102 digits
n = 357 111 digits
n = 408 126 digits
n = 580 178 digits
n = 648 199 digits
n = 738 226 digits
n = 1122 341 digits
n = 1253 381 digits
n = 1473 447 digits
n = 2466 746 digits
n = 2806 848 digits
n = 4918 1484 digits
n = 5042 1521 digits
n = 7949 2396 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8600 2592 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14474 4361 digits Feb 1998 Ray Ballinger; Proth
n = 15686 4725 digits Feb 1998 Charles F. Kerchner III; Proth
n = 22184 6682 digits 1996 Patrick Demichel
n = 24756 7456 digits Aug 1998 Tadashi Taura; Proth
n = 25182 7584 digits Apr 1998 Ray Ballinger; Proth
n = 29621 8920 digits Aug 1998 Tadashi Taura; Proth
n = 35928 10819 digits
n = 43402 13069 digits
n = 70708 21289 digits
n = 71304 21468 digits
n = 79721 24002 digits
n = 100637 30298 digits Sep 2001 Anton Oleynick; Proth
n = 171000 51480 digits Jun 2000 David Underbakke; Proth
n = 200018 60215 digits Oct 1999 Takuro Tsujikawa; Proth
n = 212888 64089 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 221213 66595 digits May 2005 Steven Harvey; FermFact; OpenPFGW
n = 237549 71513 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 239777 72184 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 275421 82913 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 291833 87854 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 297921 89687 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 390648 117600 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 479544 144361 digits Jan 2009 Steven Wong; srsieve; PrimeGrid; LLR
n = 484562 145871 digits Jan 2009 Peter Tibbott; srsieve; PrimeGrid; LLR
n = 495560 149182 digits Jan 2009 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 574412 172919 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 681374 205117 digits Oct 2009 Ian Dickinson; srsieve; PrimeGrid; LLR
n = 706989 212828 digits Feb 2010 Andrew Graham; srsieve; PrimeGrid; LLR
n = 727668 219053 digits Feb 2010 Andreas Kobara; srsieve; PrimeGrid; LLR
n = 870574 262072 digits May 2011 Keith Pattenden; PSieve; srsieve; PrimeGrid; LLR
n = 892156 268569 digits May 2011 Aaron Hillier; PSieve; srsieve; PrimeGrid; LLR
n = 1111928 334727 digits Sep 2011 Florian Grimm; PSieve; srsieve; PrimeGrid; LLR
n = 2197294 661455 digits Aug 2014 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2345013 705923 digits May 2016 Daniel Rix; PSieve; srsieve; PrimeGrid; LLR
n = 2934602 883407 digits Feb 2021 Pauli Väisänen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4374933 1316990 digits Feb 2026 Lukas Sandhop; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 905
max n: 4.499.945
n = 1 4 digits
n = 5 5 digits
n = 13 7 digits
n = 31 13 digits
n = 49 18 digits
n = 55 20 digits
n = 125 41 digits
n = 141 46 digits
n = 151 49 digits
n = 169 54 digits
n = 173 56 digits
n = 235 74 digits
n = 343 107 digits
n = 393 122 digits
n = 413 128 digits
n = 619 190 digits
n = 701 214 digits
n = 1269 385 digits
n = 1941 588 digits
n = 3305 998 digits
n = 5503 1660 digits
n = 5851 1765 digits
n = 6005 1811 digits
n = 6619 1996 digits
n = 6955 2097 digits 1993 Harvey Dubner; Dubner Cruncher
n = 28509 8586 digits Aug 1998 Tadashi Taura; Proth
n = 28663 8632 digits Aug 1998 Tadashi Taura; Proth
n = 44161 13297 digits
n = 55625 16748 digits
n = 55705 16772 digits
n = 77613 23367 digits
n = 80125 24123 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 88869 26756 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 161839 48722 digits Feb 2002 Anton Oleynick; Proth
n = 288535 86861 digits Feb 2006 Steven Harvey; FermFact; OpenPFGW
n = 395069 118931 digits Aug 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 480913 144773 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 947735 285300 digits Jun 2011 Micah Smukler; PSieve; srsieve; PrimeGrid; LLR
n = 1009613 303927 digits Mar 2011 Takaharu Yamamura; PSieve; srsieve; PrimeGrid; LLR
n = 1147681 345490 digits Oct 2011 Reuben Gathright; PSieve; srsieve; PrimeGrid; LLR
n = 1677085 504856 digits Dec 2012 Håkan Lind; PSieve; srsieve; PrimeGrid; LLR
n = 2430509 731660 digits Nov 2016 Lars Fricke; PSieve; srsieve; PrimeGrid; LLR
n = 2739805 824767 digits Jul 2019 Kellen Shenton; PSieve; srsieve; PrimeGrid; LLR
n = 4238049 1275783 digits Feb 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 907
max n: 4.499.998
n = 6 5 digits
n = 10 6 digits
n = 36 14 digits
n = 46 17 digits
n = 64 23 digits
n = 88 30 digits
n = 174 56 digits
n = 196 62 digits
n = 624 191 digits
n = 690 211 digits
n = 712 218 digits
n = 746 228 digits
n = 924 282 digits
n = 1398 424 digits
n = 1552 471 digits
n = 2102 636 digits
n = 2142 648 digits
n = 3000 907 digits
n = 3058 924 digits
n = 3534 1067 digits
n = 4786 1444 digits
n = 6468 1951 digits
n = 7992 2409 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8026 2420 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8040 2424 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9602 2894 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11392 3433 digits
n = 15502 4670 digits Feb 1998 Charles F. Kerchner III; Proth
n = 28104 8464 digits Aug 1998 Tadashi Taura; Proth
n = 37214 11206 digits
n = 45696 13759 digits
n = 50860 15314 digits
n = 56286 16947 digits
n = 56752 17088 digits
n = 138554 41712 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 160860 48427 digits Mar 2002 Anton Oleynick; Proth
n = 165838 49926 digits Mar 2002 Anton Oleynick; Proth
n = 205006 61716 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 228586 68815 digits Jun 2005 Steven Harvey; NewPGen; NPLB; LLR
n = 306050 92134 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 338934 102033 digits Mar 2008 Steven Harvey; srsieve; PRP; OpenPFGW
n = 603448 181659 digits Jul 2008 Ruediger K. Eckhard; LLR
n = 792042 238432 digits Sep 2010 Werner Soika; srsieve; PrimeGrid; LLR
n = 1628548 490245 digits Dec 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 2095896 630931 digits Jun 2014 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 2230776 671534 digits Jan 2016 Vladimir Romanov; PSieve; srsieve; PrimeGrid; LLR
n = 3417890 1028891 digits Aug 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3738564 1125423 digits Sep 2025 Ilkka Varis; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 909
max n: 4.499.962
n = 2 4 digits
n = 10 6 digits
n = 14 8 digits
n = 29 12 digits
n = 35 14 digits
n = 37 15 digits
n = 46 17 digits
n = 85 29 digits
n = 94 32 digits
n = 157 51 digits
n = 229 72 digits
n = 245 77 digits
n = 263 83 digits
n = 359 112 digits
n = 362 112 digits
n = 685 210 digits
n = 895 273 digits
n = 1087 331 digits
n = 1213 369 digits
n = 1382 419 digits
n = 1570 476 digits
n = 1963 594 digits
n = 2269 686 digits
n = 3482 1052 digits
n = 6589 1987 digits
n = 6805 2052 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7435 2242 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10189 3071 digits
n = 16303 4911 digits Feb 1998 Charles F. Kerchner III; Proth
n = 17894 5390 digits Oct 1996 Patrick Demichel
n = 24311 7322 digits Aug 1998 Tadashi Taura; Proth
n = 27701 8342 digits Aug 1998 Tadashi Taura; Proth
n = 28030 8441 digits Aug 1998 Tadashi Taura; Proth
n = 28429 8561 digits Aug 1998 Tadashi Taura; Proth
n = 54722 16476 digits
n = 62234 18738 digits
n = 69277 20858 digits
n = 149995 45156 digits
n = 154415 46487 digits
n = 188050 56612 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 227221 68404 digits Jun 2005 Steven Harvey; NewPGen; NPLB; LLR
n = 296030 89117 digits Mar 2006 Steven Harvey; FermFact; OpenPFGW
n = 342106 102988 digits Jan 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 655606 197361 digits Jun 2009 Alan J Hidy; srsieve; PrimeGrid; LLR
n = 782554 235576 digits Mar 2010 Robert Scullin; srsieve; PrimeGrid; LLR
n = 803294 241819 digits Feb 2011 Scott Safford; PSieve; srsieve; PrimeGrid; LLR
n = 917750 276274 digits Apr 2010 Ruediger K. Eckhard; LLR
n = 1449002 436197 digits Jan 2012 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1576339 474529 digits Nov 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 2685019 808275 digits Dec 2018 Rob Gahan; PSieve; srsieve; PrimeGrid; LLR
k: 911
max n: 4.499.997
n = 1 4 digits
n = 5 5 digits
n = 11 7 digits
n = 13 7 digits
n = 25 11 digits
n = 43 16 digits
n = 97 33 digits
n = 103 34 digits
n = 113 37 digits
n = 285 89 digits
n = 617 189 digits
n = 1303 396 digits
n = 2365 715 digits
n = 3241 979 digits
n = 5685 1715 digits
n = 7531 2271 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8647 2606 digits 1993 Harvey Dubner; Dubner Cruncher
n = 41477 12489 digits
n = 64663 19469 digits
n = 96331 29002 digits
n = 164037 49384 digits Mar 2002 Anton Oleynick; Proth
n = 282861 85153 digits Mar 2006 Steven Harvey; FermFact; OpenPFGW
n = 369623 111271 digits Mar 2006 Predrag Minovic; FermFact; OpenPFGW; LLR
n = 389611 117288 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 669971 201685 digits Aug 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 739167 222515 digits Feb 2010 Joerg Steinmetz; srsieve; PrimeGrid; LLR
n = 1263831 380454 digits Nov 2011 Brandon Letzin; PSieve; srsieve; PrimeGrid; LLR
n = 1450865 436757 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 2068497 622683 digits May 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2218151 667733 digits Dec 2015 Konstantin Stanko; PSieve; srsieve; PrimeGrid; LLR
n = 3205225 964872 digits Mar 2022 Lee Blyth; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3432643 1033332 digits Oct 2017 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
k: 913
max n: 4.499.976
n = 18 9 digits
n = 20 9 digits
n = 32 13 digits
n = 66 23 digits
n = 68 24 digits
n = 114 38 digits
n = 120 40 digits
n = 164 53 digits
n = 176 56 digits
n = 198 63 digits
n = 236 75 digits
n = 336 105 digits
n = 428 132 digits
n = 522 161 digits
n = 1284 390 digits
n = 1640 497 digits
n = 2324 703 digits
n = 2820 852 digits
n = 4278 1291 digits
n = 4608 1391 digits
n = 17334 5222 digits Jul 1996 Patrick Demichel
n = 19740 5946 digits
n = 28740 8655 digits Aug 1998 Tadashi Taura; Proth
n = 54216 16324 digits
n = 89214 26860 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 278484 83835 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 514008 154735 digits Jun 2008 Ruediger K. Eckhard; LLR
n = 521804 157082 digits Aug 2008 Steven Harvey; FermFact; OpenPFGW
n = 1220010 367263 digits Nov 2011 Kenneth Dejong; PSieve; srsieve; PrimeGrid; LLR
n = 1619004 487372 digits Dec 2012 Jean Sébastien Delisle; PSieve; srsieve; PrimeGrid; LLR
n = 3906468 1175968 digits Nov 2025 Gregory Coscia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 915
max n: 4.499.983
n = 1 4 digits
n = 3 4 digits
n = 18 9 digits
n = 22 10 digits
n = 25 11 digits
n = 37 15 digits
n = 46 17 digits
n = 55 20 digits
n = 70 25 digits
n = 91 31 digits
n = 136 44 digits
n = 186 59 digits
n = 238 75 digits
n = 438 135 digits
n = 517 159 digits
n = 652 200 digits
n = 730 223 digits
n = 1090 332 digits
n = 1108 337 digits
n = 1723 522 digits
n = 2005 607 digits
n = 2550 771 digits
n = 2967 897 digits
n = 3559 1075 digits
n = 3856 1164 digits
n = 3895 1176 digits
n = 6831 2060 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9139 2755 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11455 3452 digits Mar 1998 Ray Ballinger; Proth
n = 11695 3524 digits
n = 13393 4035 digits Feb 1998 Ray Ballinger; Proth
n = 16993 5119 digits Mar 1998 Charles F. Kerchner III; Proth
n = 21915 6601 digits Oct 1996 Patrick Demichel
n = 23079 6951 digits 1996 Patrick Demichel
n = 23647 7122 digits 1996 Patrick Demichel
n = 28159 8480 digits Aug 1998 Tadashi Taura; Proth
n = 48211 14516 digits
n = 58455 17600 digits
n = 75408 22704 digits
n = 95977 28895 digits
n = 100140 30149 digits Oct 2001 Anton Oleynick; Proth
n = 110826 33365 digits
n = 134308 40434 digits Nov 2003 John Metcalf; Proth
n = 143250 43126 digits Jan 2004 John Metcalf; Proth
n = 155641 46856 digits
n = 847246 255050 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1051477 316530 digits Sep 2011 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1686699 507750 digits Dec 2012 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1805031 543372 digits Oct 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2064663 621529 digits May 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2135151 642748 digits Jul 2014 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2375923 715228 digits Jul 2016 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3033775 913261 digits May 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3141942 945822 digits Dec 2021 Mason Rubin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3719305 1119626 digits Sep 2025 Marshall Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4283070 1289336 digits Feb 2026 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 917
max n: 4.499.979
n = 27 12 digits
n = 71 25 digits
n = 651 199 digits
n = 3135 947 digits
n = 5595 1688 digits
n = 7079 2134 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9927 2992 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13859 4175 digits
n = 27687 8338 digits Aug 1998 Tadashi Taura; Proth
n = 54039 16271 digits
n = 157059 47283 digits
n = 159711 48081 digits
n = 168471 50718 digits Mar 2002 Anton Oleynick; Proth
n = 913935 275125 digits May 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 1258011 378703 digits Nov 2011 Jeffrey Maruska; PSieve; srsieve; PrimeGrid; LLR
k: 919
max n: 4.499.862
n = 2 4 digits
n = 1842 558 digits
n = 45338 13652 digits Sep 1999 Jim Liddle; Proth
n = 93350 28105 digits Oct 1999 Jim Liddle; Proth
n = 98222 29571 digits Oct 1999 Jim Liddle; Proth
n = 411662 123926 digits May 2007 Steven Harvey; FermFact; OpenPFGW
n = 1226562 369235 digits Nov 2011 Iurii Mark; PSieve; srsieve; PrimeGrid; LLR
n = 2024094 609316 digits May 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 921
max n: 4.499.936
n = 3 4 digits
n = 4 5 digits
n = 5 5 digits
n = 7 6 digits
n = 9 6 digits
n = 13 7 digits
n = 15 8 digits
n = 21 10 digits
n = 25 11 digits
n = 33 13 digits
n = 39 15 digits
n = 45 17 digits
n = 48 18 digits
n = 53 19 digits
n = 65 23 digits
n = 77 27 digits
n = 89 30 digits
n = 116 38 digits
n = 136 44 digits
n = 188 60 digits
n = 245 77 digits
n = 269 84 digits
n = 457 141 digits
n = 480 148 digits
n = 513 158 digits
n = 567 174 digits
n = 648 199 digits
n = 789 241 digits
n = 859 262 digits
n = 1204 366 digits
n = 1285 390 digits
n = 1296 394 digits
n = 1555 472 digits
n = 1680 509 digits
n = 2205 667 digits
n = 2597 785 digits
n = 3420 1033 digits
n = 3624 1094 digits
n = 3800 1147 digits
n = 4256 1285 digits
n = 4924 1486 digits
n = 6267 1890 digits
n = 7185 2166 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7717 2327 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8020 2418 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11901 3586 digits
n = 13660 4116 digits Feb 1998 Ray Ballinger; Proth
n = 19804 5965 digits Oct 1996 Patrick Demichel
n = 27309 8224 digits Aug 1998 Tadashi Taura; Proth
n = 30120 9070 digits Jun 1998 Ola Svallmark; Proth
n = 44381 13363 digits
n = 49121 14790 digits
n = 64155 19316 digits
n = 88675 26697 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 113341 34123 digits
n = 142765 42980 digits Dec 2003 John Metcalf; Proth
n = 146367 44064 digits Jan 2004 John Metcalf; Proth
n = 158513 47721 digits
n = 257100 77398 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 309688 93229 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 369225 111151 digits Mar 2006 Predrag Minovic; FermFact; OpenPFGW; LLR
n = 371607 111868 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 396463 119351 digits Nov 2007 Steven Harvey; FermFact; OpenPFGW
n = 423940 127622 digits Nov 2007 Ruediger K. Eckhard; LLR
n = 430517 129602 digits May 2007 Ruediger K. Eckhard; LLR
n = 450221 135533 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 459593 138355 digits Dec 2008 Andreas Adolfsson; srsieve; PrimeGrid; LLR
n = 530480 159694 digits Aug 2008 Steven Harvey; FermFact; OpenPFGW
n = 617888 186006 digits Oct 2008 Ruediger K. Eckhard; LLR
n = 758031 228194 digits Feb 2010 Bob Inman; srsieve; PrimeGrid; LLR
n = 855941 257667 digits May 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 936236 281839 digits Dec 2010 Ruediger K. Eckhard; LLR
n = 1205199 362805 digits Nov 2011 Roman Krawiec; PSieve; srsieve; PrimeGrid; LLR
n = 1330248 400448 digits Jan 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1338408 402904 digits Jan 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1460168 439558 digits Jan 2012 SeungChul Ahn; PSieve; srsieve; PrimeGrid; LLR
n = 1785808 537585 digits Mar 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1819560 547746 digits Nov 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2405056 723997 digits Sep 2016 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 3964356 1193394 digits Dec 2025 Sam Poulos; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3996981 1203215 digits Dec 2025 HyeongShin Kang; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 923
max n: 4.499.981
n = 1 4 digits
n = 5 5 digits
n = 41 16 digits
n = 61 22 digits
n = 73 25 digits
n = 149 48 digits
n = 197 63 digits
n = 389 121 digits
n = 445 137 digits
n = 2113 640 digits
n = 7217 2176 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8965 2702 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9077 2736 digits 1993 Harvey Dubner; Dubner Cruncher
n = 17453 5257 digits Jul 1996 Patrick Demichel
n = 23321 7024 digits
n = 26125 7868 digits Aug 1998 Tadashi Taura; Proth
n = 37457 11279 digits
n = 71005 21378 digits
n = 78245 23558 digits
n = 116773 35156 digits
n = 262313 78968 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 326989 98437 digits Oct 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 415373 125043 digits May 2007 Steven Harvey; FermFact; OpenPFGW
n = 480089 144525 digits Dec 2008 James P. Burt; srsieve; PrimeGrid; LLR
n = 884357 266221 digits May 2011 Matthew Bouch; PSieve; srsieve; PrimeGrid; LLR
n = 1273465 383355 digits Nov 2011 Wenzel Appenzeller; PSieve; srsieve; PrimeGrid; LLR
n = 1445405 435114 digits Jan 2012 Keith Grant; PSieve; srsieve; PrimeGrid; LLR
n = 2563709 771757 digits Feb 2018 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 2783153 837816 digits Jul 2019 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 3261401 981783 digits Jun 2022 Frank Meador; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4497653 1353932 digits Apr 2026 William Byerly; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 925
max n: 4.499.976
n = 2 4 digits
n = 28 12 digits
n = 34 14 digits
n = 54 20 digits
n = 74 26 digits
n = 156 50 digits
n = 160 52 digits
n = 234 74 digits
n = 326 102 digits
n = 392 121 digits
n = 612 188 digits
n = 622 191 digits
n = 640 196 digits
n = 914 279 digits
n = 2998 906 digits
n = 6708 2023 digits Mar 1996 Patrick Demichel
n = 6850 2066 digits 1993 Harvey Dubner; Dubner Cruncher
n = 6948 2095 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7868 2372 digits 1993 Harvey Dubner; Dubner Cruncher
n = 15462 4658 digits Feb 1998 Charles F. Kerchner III; Proth
n = 96634 29093 digits
n = 103662 31209 digits Nov 2001 Anton Oleynick; Proth
n = 117096 35253 digits
n = 118540 35688 digits
n = 202178 60865 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 212112 63856 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 241902 72823 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 469142 141229 digits Dec 2008 Mathew Steine; srsieve; PrimeGrid; LLR
n = 670294 201782 digits Aug 2009 Michael Manganiello; srsieve; PrimeGrid; LLR
n = 1649360 496510 digits Dec 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 927
max n: 4.499.970
n = 2 4 digits
n = 3 4 digits
n = 8 6 digits
n = 15 8 digits
n = 20 9 digits
n = 23 10 digits
n = 50 19 digits
n = 74 26 digits
n = 83 28 digits
n = 86 29 digits
n = 119 39 digits
n = 144 47 digits
n = 171 55 digits
n = 324 101 digits
n = 363 113 digits
n = 371 115 digits
n = 648 199 digits
n = 1670 506 digits
n = 1794 544 digits
n = 2138 647 digits
n = 4271 1289 digits May 1996 Patrick Demichel
n = 5126 1547 digits
n = 6866 2070 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7398 2230 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8714 2627 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14354 4324 digits Feb 1998 Ray Ballinger; Proth
n = 17120 5157 digits Mar 1998 Charles F. Kerchner III; Proth
n = 52863 15917 digits
n = 64299 19359 digits
n = 71384 21492 digits
n = 104000 31311 digits Nov 2001 Anton Oleynick; Proth
n = 104451 31446 digits Nov 2001 Anton Oleynick; Proth
n = 114179 34375 digits
n = 180051 54204 digits
n = 186983 56291 digits Feb 2005 Steven Harvey; FermFact; OpenPFGW
n = 194100 58433 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 246362 74166 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 266639 80270 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 521468 156981 digits Sep 2008 Steven Harvey; FermFact; OpenPFGW
n = 597860 179977 digits Mar 2009 Steven Wong; srsieve; PrimeGrid; LLR
n = 685398 206329 digits Oct 2009 Igor Loshak; srsieve; PrimeGrid; LLR
n = 802179 241483 digits Feb 2011 Peter Philip Nunes; PSieve; srsieve; PrimeGrid; LLR
n = 983250 295991 digits Jun 2011 Steven F. Bohl; PSieve; srsieve; PrimeGrid; LLR
n = 1048583 315658 digits Sep 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1059198 318854 digits Sep 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 1699446 511588 digits Dec 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2258112 679763 digits Jan 2016 Yasuhito Suzuki; PSieve; srsieve; PrimeGrid; LLR
n = 3853850 1160128 digits Nov 2025 Takeru Takesue; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4379168 1318264 digits Feb 2026 Wolfgang Schwieger; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 929
max n: 4.499.967
n = 3 4 digits
n = 7 6 digits
n = 9 6 digits
n = 19 9 digits
n = 67 24 digits
n = 123 40 digits
n = 183 59 digits
n = 267 84 digits
n = 273 86 digits
n = 363 113 digits
n = 897 273 digits
n = 1227 373 digits
n = 2307 698 digits
n = 2443 739 digits
n = 4533 1368 digits
n = 7327 2209 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7567 2281 digits 1993 Harvey Dubner; Dubner Cruncher
n = 24987 7525 digits Aug 1998 Tadashi Taura; Proth
n = 29863 8993 digits Aug 1998 Tadashi Taura; Proth
n = 55653 16757 digits
n = 65683 19776 digits Aug 2000 Amol Kapila; Proth
n = 97839 29456 digits
n = 105667 31812 digits Dec 2001 Anton Oleynick; Proth
n = 197299 59396 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 264567 79646 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 453847 136625 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 572799 172433 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 956457 287926 digits Jun 2011 Thomas Walton; PSieve; srsieve; PrimeGrid; LLR
n = 1728099 520213 digits Jan 2013 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 2114679 636585 digits Jun 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2417767 727824 digits Oct 2016 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
n = 3893187 1171970 digits Nov 2025 Honza Cholt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 931
max n: 4.499.984
n = 4 5 digits
n = 20 9 digits
n = 24 11 digits
n = 32 13 digits
n = 112 37 digits
n = 392 121 digits
n = 424 131 digits
n = 432 134 digits
n = 1116 339 digits
n = 1164 354 digits
n = 1232 374 digits
n = 3424 1034 digits
n = 4140 1250 digits
n = 6280 1894 digits
n = 8164 2461 digits 1993 Harvey Dubner; Dubner Cruncher
n = 22912 6901 digits
n = 30384 9150 digits Mar 1999 Tadashi Taura; Proth
n = 79072 23807 digits
n = 155216 46728 digits Jul 2005 Darren Bedwell; NewPGen; OpenPFGW; LLR
n = 331020 99650 digits May 2006 Steven Harvey; FermFact; OpenPFGW
n = 662216 199350 digits Jul 2009 Paulo Silva; srsieve; PrimeGrid; LLR
n = 833872 251024 digits Apr 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1009552 303909 digits Mar 2011 Takaharu Yamamura; PSieve; srsieve; PrimeGrid; LLR
n = 1344712 404802 digits Jan 2012 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 1561084 469937 digits Nov 2012 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
k: 933
max n: 4.499.985
n = 1 4 digits
n = 2 4 digits
n = 4 5 digits
n = 13 7 digits
n = 24 11 digits
n = 30 13 digits
n = 40 16 digits
n = 42 16 digits
n = 65 23 digits
n = 153 50 digits
n = 154 50 digits
n = 161 52 digits
n = 168 54 digits
n = 226 72 digits
n = 261 82 digits
n = 286 90 digits
n = 294 92 digits
n = 421 130 digits
n = 460 142 digits
n = 521 160 digits
n = 625 192 digits
n = 714 218 digits
n = 906 276 digits
n = 997 304 digits
n = 1174 357 digits
n = 1482 450 digits
n = 1585 481 digits
n = 1804 547 digits
n = 1961 594 digits
n = 2616 791 digits
n = 2845 860 digits
n = 3304 998 digits
n = 5268 1589 digits
n = 5764 1739 digits
n = 6546 1974 digits
n = 7068 2131 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10133 3054 digits
n = 10782 3249 digits
n = 12000 3616 digits May 1997 Chris Caldwell; Dubner Cruncher
n = 12102 3647 digits
n = 12721 3833 digits
n = 15865 4779 digits Feb 1998 Charles F. Kerchner III; Proth
n = 27216 8196 digits Aug 1998 Tadashi Taura; Proth
n = 50088 15081 digits May 1998 David Hanson; Proth
n = 54825 16507 digits
n = 62102 18698 digits
n = 65976 19864 digits
n = 69177 20828 digits
n = 73570 22150 digits
n = 85117 25626 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 95173 28653 digits
n = 98385 29620 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 102057 30726 digits Dec 2001 Anton Oleynick; Proth
n = 189398 57018 digits
n = 226416 68161 digits Jul 2005 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 264264 79555 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 282846 85149 digits Apr 2006 Steven Harvey; FermFact; OpenPFGW
n = 337677 101654 digits Jan 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 367230 110551 digits Jan 2008 Steven Harvey; FermFact; OpenPFGW
n = 443740 133583 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 470094 141516 digits Aug 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 541668 163062 digits Feb 2009 Luis Aparisi Hermoso; srsieve; PrimeGrid; LLR
n = 722277 217431 digits Feb 2010 Arne Sielemann; srsieve; PrimeGrid; LLR
n = 942033 283584 digits May 2011 Josef Schlereth; PSieve; srsieve; PrimeGrid; LLR
n = 959214 288756 digits Jun 2011 Mark Doom; PSieve; srsieve; PrimeGrid; LLR
n = 1336282 402264 digits Jan 2012 Brian Basson; PSieve; srsieve; PrimeGrid; LLR
n = 1642574 494468 digits Dec 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1786320 537739 digits Mar 2013 Tetsuya Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 1820068 547899 digits Nov 2013 Philip Leonard; PSieve; srsieve; PrimeGrid; LLR
n = 1868602 562509 digits Nov 2013 Jager Buss; PSieve; srsieve; PrimeGrid; LLR
n = 2345893 706188 digits May 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2567598 772927 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 2879973 866962 digits Aug 2020 Brian D. Niegocki; PSieve; srsieve; PrimeGrid; LLR
n = 3091825 930736 digits Sep 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3231438 972763 digits Apr 2022 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3270993 984670 digits Jul 2022 CHEUNG Tak Chuen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 935
max n: 4.499.995
n = 1 4 digits
n = 3 4 digits
n = 5 5 digits
n = 13 7 digits
n = 23 10 digits
n = 39 15 digits
n = 99 33 digits
n = 135 44 digits
n = 139 45 digits
n = 175 56 digits
n = 221 70 digits
n = 247 78 digits
n = 263 83 digits
n = 285 89 digits
n = 441 136 digits
n = 527 162 digits
n = 611 187 digits
n = 823 251 digits
n = 1013 308 digits
n = 1039 316 digits
n = 1059 322 digits
n = 1187 361 digits
n = 1325 402 digits
n = 1373 417 digits
n = 1459 443 digits
n = 1733 525 digits
n = 2423 733 digits
n = 2543 769 digits
n = 3975 1200 digits
n = 4493 1356 digits
n = 5231 1578 digits
n = 5253 1585 digits
n = 7973 2404 digits May 1996 Patrick Demichel
n = 9989 3010 digits
n = 12073 3638 digits Jan 1998 Baptiste Heyman; Proth
n = 14225 4286 digits Feb 1998 Ray Ballinger; Proth
n = 16581 4995 digits Mar 1998 Charles F. Kerchner III; Proth
n = 24411 7352 digits Aug 1998 Tadashi Taura; Proth
n = 35839 10792 digits
n = 47489 14299 digits
n = 50447 15190 digits Jun 1998 David Hanson; Proth
n = 61149 18411 digits
n = 101911 30682 digits Dec 2001 Anton Oleynick; Proth
n = 105907 31885 digits Dec 2001 Anton Oleynick; Proth
n = 420069 126457 digits Dec 2007 Ruediger K. Eckhard; LLR
n = 825171 248405 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1010191 304101 digits Mar 2011 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1136053 341990 digits Oct 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 1394813 419884 digits Jan 2012 Andrew Orr; PSieve; srsieve; PrimeGrid; LLR
n = 1707129 513901 digits Dec 2012 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 2050113 617149 digits May 2014 Martin Linderson; PSieve; srsieve; PrimeGrid; LLR
n = 3180599 957459 digits Feb 2022 Frank Meador; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 937
max n: 4.499.960
n = 8 6 digits
n = 10 6 digits
n = 38 15 digits
n = 52 19 digits
n = 92 31 digits
n = 110 37 digits
n = 196 62 digits
n = 826 252 digits
n = 1576 478 digits
n = 2522 763 digits
n = 3340 1009 digits
n = 4208 1270 digits
n = 11168 3365 digits May 1996 Patrick Demichel
n = 11606 3497 digits Dec 1997 Gerben Dirksen; Proth
n = 13106 3949 digits
n = 24886 7495 digits Aug 1998 Tadashi Taura; Proth
n = 27032 8141 digits Aug 1998 Tadashi Taura; Proth
n = 45160 13598 digits
n = 57830 17412 digits
n = 90338 27198 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 98746 29729 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 199066 59928 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 335956 101136 digits May 2006 Steven Harvey; FermFact; OpenPFGW
n = 354830 106818 digits Jan 2008 Steven Harvey; FermFact; OpenPFGW
n = 1060546 319260 digits Sep 2011 Michael D. Hittle; PSieve; srsieve; PrimeGrid; LLR
n = 1130278 340251 digits Oct 2011 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1267000 381408 digits Nov 2011 Zhiyuan Zhan; PSieve; srsieve; PrimeGrid; LLR
n = 1632080 491309 digits Dec 2012 Marian Vicena; PSieve; srsieve; PrimeGrid; LLR
n = 2887130 869116 digits Sep 2020 Robert Cooper; PSieve; srsieve; PrimeGrid; LLR
n = 3855022 1160481 digits Nov 2025 Stephen P. Norton; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4378180 1317967 digits Feb 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 939
max n: 4.499.965
n = 1 4 digits
n = 7 6 digits
n = 11 7 digits
n = 15 8 digits
n = 22 10 digits
n = 27 12 digits
n = 151 49 digits
n = 246 78 digits
n = 319 100 digits
n = 639 196 digits
n = 985 300 digits
n = 1007 307 digits
n = 2019 611 digits
n = 5215 1573 digits
n = 6085 1835 digits
n = 8662 2611 digits May 1996 Patrick Demichel
n = 18375 5535 digits Oct 1996 Patrick Demichel
n = 19422 5850 digits
n = 33781 10173 digits
n = 35835 10791 digits
n = 59515 17919 digits
n = 81382 24502 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 98782 29740 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 222942 67116 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 638941 192344 digits Apr 2009 Simon Bouchard; srsieve; PrimeGrid; LLR
n = 881046 265225 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1621215 488038 digits Dec 2012 Stanislav Perchenko; PSieve; srsieve; PrimeGrid; LLR
n = 3141397 945658 digits Dec 2021 Brian D. Niegocki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3219319 969115 digits Mar 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3727057 1121959 digits Sep 2025 Bruce E. Slade; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4328599 1303042 digits Feb 2026 Sascha Beat Dinkel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 941
max n: 4.499.957
n = 3 4 digits
n = 5 5 digits
n = 27 12 digits
n = 35 14 digits
n = 63 22 digits
n = 101 34 digits
n = 347 108 digits
n = 425 131 digits
n = 623 191 digits
n = 887 270 digits
n = 1049 319 digits
n = 1295 393 digits
n = 1431 434 digits
n = 1871 567 digits
n = 10067 3034 digits
n = 74081 22304 digits
n = 121583 36604 digits
n = 227441 68470 digits Jul 2005 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 341387 102771 digits Apr 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 443171 133411 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 1341569 403856 digits Jan 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1529195 460337 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 2090243 629229 digits Jun 2014 Andrew Gockel; PSieve; srsieve; PrimeGrid; LLR
n = 2564867 772105 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
k: 943
max n: 4.499.818
n = 6 5 digits
n = 34 14 digits
n = 88 30 digits
n = 124 41 digits
n = 240 76 digits
n = 366 114 digits
n = 438 135 digits
n = 1458 442 digits
n = 12768 3847 digits
n = 12834 3867 digits
n = 21714 6540 digits Nov 1998 Alfredo Cano; Proth
n = 45798 13790 digits
n = 78124 23521 digits
n = 92140 27740 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 97978 29498 digits
n = 124108 37364 digits
n = 175230 52753 digits Apr 2003 Anton Oleynick; Proth
n = 321498 96784 digits Jun 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 475938 143275 digits Dec 2008 Rytis Slatkevicius; srsieve; PrimeGrid; LLR
n = 653046 196590 digits May 2009 Dmitry Grankin; srsieve; PrimeGrid; LLR
n = 822030 247459 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 945744 284701 digits Jun 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 2068944 622818 digits May 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2269594 683219 digits Feb 2016 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3440196 1035606 digits Nov 2017 Lukas Hron; PSieve; srsieve; PrimeGrid; LLR
n = 3442990 1036447 digits Nov 2017 Hazel Victoria Campbell; PSieve; srsieve; PrimeGrid; LLR
n = 4382844 1319371 digits Feb 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 945
max n: 4.499.943
n = 3 4 digits
n = 4 5 digits
n = 5 5 digits
n = 8 6 digits
n = 12 7 digits
n = 13 7 digits
n = 15 8 digits
n = 17 9 digits
n = 19 9 digits
n = 24 11 digits
n = 39 15 digits
n = 44 17 digits
n = 48 18 digits
n = 68 24 digits
n = 135 44 digits
n = 147 48 digits
n = 234 74 digits
n = 444 137 digits
n = 744 227 digits
n = 984 300 digits
n = 1185 360 digits
n = 1692 513 digits
n = 2574 778 digits
n = 3282 991 digits
n = 4122 1244 digits
n = 5927 1788 digits
n = 8798 2652 digits
n = 9143 2756 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14377 4331 digits Feb 1998 Ray Ballinger; Proth
n = 15155 4566 digits Feb 1998 Charles F. Kerchner III; Proth
n = 15593 4697 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16973 5113 digits Mar 1998 Charles F. Kerchner III; Proth
n = 19083 5748 digits Oct 1996 Patrick Demichel
n = 24197 7287 digits Aug 1998 Tadashi Taura; Proth
n = 67434 20303 digits
n = 113697 34230 digits
n = 126397 38053 digits
n = 160497 48318 digits Mar 2002 Anton Oleynick; Proth
n = 179198 53947 digits May 2003 Anton Oleynick; Proth
n = 247043 74371 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 273354 82291 digits Nov 2005 Steven Harvey; FermFact; OpenPFGW
n = 280695 84501 digits Apr 2006 Steven Harvey; FermFact; OpenPFGW
n = 353727 106486 digits May 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 553388 166590 digits Feb 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 606384 182543 digits Mar 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 776503 233754 digits Feb 2010 Bob Naas; srsieve; PrimeGrid; LLR
n = 790084 237842 digits Sep 2010 Albert J. Klein; srsieve; PrimeGrid; LLR
n = 799019 240532 digits Feb 2011 Phil Gray; PSieve; srsieve; PrimeGrid; LLR
n = 1001719 301551 digits Apr 2007 Payam Samidoost; FermFact; LLR; OpenPFGW
n = 1174442 353546 digits Oct 2011 Samy Bourghol; PSieve; srsieve; PrimeGrid; LLR
n = 1278825 384968 digits Nov 2011 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1304747 392771 digits Jan 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1511373 454972 digits Oct 2012 Henryk Jeka; PSieve; srsieve; PrimeGrid; LLR
n = 3786772 1139935 digits Oct 2025 Emil Hristoskov; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4468533 1345166 digits Mar 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 947
max n: 4.499.823
n = 3 4 digits
n = 27 12 digits
n = 103 34 digits
n = 627 192 digits
n = 703 215 digits
n = 2731 826 digits
n = 6619 1996 digits
n = 7711 2325 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12559 3784 digits
n = 87483 26338 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 124143 37374 digits
n = 172483 51926 digits May 2003 Anton Oleynick; Proth
n = 407551 122689 digits Jun 2006 John Metcalf; Proth
n = 3673183 1105742 digits Sep 2025 Michael Becker; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 949
max n: 4.499.894
n = 2 4 digits
n = 6 5 digits
n = 14 8 digits
n = 38 15 digits
n = 70 25 digits
n = 110 37 digits
n = 118 39 digits
n = 122 40 digits
n = 138 45 digits
n = 142 46 digits
n = 210 67 digits
n = 230 73 digits
n = 334 104 digits
n = 598 183 digits
n = 606 186 digits
n = 742 227 digits
n = 894 273 digits
n = 930 283 digits
n = 4326 1306 digits
n = 35162 10588 digits
n = 50482 15200 digits Jun 1998 David Hanson; Proth
n = 98366 29615 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 161490 48617 digits Mar 2002 Anton Oleynick; Proth
n = 526586 158522 digits Sep 2008 Steven Harvey; FermFact; OpenPFGW
n = 767194 230952 digits Feb 2010 Steffen Klaus; srsieve; PrimeGrid; SG Booster; LLR
n = 2372902 714318 digits Jul 2016 Lars Fricke; PSieve; srsieve; PrimeGrid; LLR
n = 2854946 859428 digits Mar 2020 Toshiya Satoh; PSieve; srsieve; PrimeGrid; LLR
k: 951
max n: 4.499.939
n = 4 5 digits
n = 13 7 digits
n = 19 9 digits
n = 23 10 digits
n = 43 16 digits
n = 44 17 digits
n = 79 27 digits
n = 95 32 digits
n = 220 70 digits
n = 229 72 digits
n = 235 74 digits
n = 433 134 digits
n = 463 143 digits
n = 1237 376 digits
n = 1444 438 digits
n = 1988 602 digits
n = 3517 1062 digits
n = 4532 1368 digits
n = 10033 3024 digits
n = 10819 3260 digits
n = 19076 5746 digits
n = 22820 6873 digits 1996 Patrick Demichel
n = 24388 7345 digits Aug 1998 Tadashi Taura; Proth
n = 32263 9716 digits
n = 45239 13622 digits
n = 69829 21024 digits
n = 211645 63715 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 560599 168761 digits Mar 2009 David James; srsieve; PrimeGrid; LLR
n = 612740 184457 digits Mar 2009 Bruce Valk; srsieve; PrimeGrid; LLR
n = 714635 215130 digits Feb 2010 Giuseppe Strano; srsieve; PrimeGrid; LLR
n = 781285 235194 digits Mar 2010 Bruno Courty; srsieve; PrimeGrid; LLR
n = 2065180 621685 digits May 2014 Robert Michael Andrews; PSieve; srsieve; PrimeGrid; LLR
n = 2674564 805127 digits Nov 2018 Krzysztof Ostaszewski; PSieve; srsieve; PrimeGrid; LLR
n = 3623185 1090691 digits Apr 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 953
max n: 4.499.981
n = 1 4 digits
n = 5 5 digits
n = 13 7 digits
n = 21 10 digits
n = 33 13 digits
n = 53 19 digits
n = 225 71 digits
n = 233 74 digits
n = 305 95 digits
n = 413 128 digits
n = 429 133 digits
n = 1013 308 digits
n = 2141 648 digits
n = 2245 679 digits
n = 2605 788 digits
n = 3869 1168 digits
n = 4853 1464 digits
n = 12405 3738 digits
n = 15185 4575 digits Feb 1998 Charles F. Kerchner III; Proth
n = 18213 5486 digits Oct 1996 Patrick Demichel
n = 22333 6726 digits
n = 89721 27012 digits
n = 152489 45907 digits
n = 496693 149523 digits Jan 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 704485 212075 digits Feb 2010 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 1389449 418269 digits Jan 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1841461 554338 digits Nov 2013 Marinus Rinie Smits; PSieve; srsieve; PrimeGrid; LLR
n = 2531601 762091 digits Oct 2017 Pavel Štěpnička; PSieve; srsieve; PrimeGrid; LLR
n = 3405729 1025230 digits Jun 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 955
max n: 4.499.978
n = 2 4 digits
n = 6 5 digits
n = 8 6 digits
n = 12 7 digits
n = 32 13 digits
n = 38 15 digits
n = 44 17 digits
n = 60 22 digits
n = 72 25 digits
n = 318 99 digits
n = 446 138 digits
n = 596 183 digits
n = 636 195 digits
n = 726 222 digits
n = 1094 333 digits
n = 1176 357 digits
n = 1304 396 digits
n = 1452 441 digits
n = 1778 539 digits
n = 2190 663 digits
n = 2274 688 digits
n = 2306 698 digits
n = 2312 699 digits
n = 2478 749 digits
n = 3006 908 digits
n = 6362 1919 digits
n = 7290 2198 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8508 2565 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9068 2733 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10638 3206 digits
n = 11280 3399 digits May 1996 Patrick Demichel
n = 11556 3482 digits
n = 15812 4763 digits Feb 1998 Charles F. Kerchner III; Proth
n = 16530 4980 digits Mar 1998 Charles F. Kerchner III; Proth
n = 16586 4996 digits Mar 1998 Charles F. Kerchner III; Proth
n = 20078 6048 digits Oct 1996 Patrick Demichel
n = 36338 10942 digits Feb 1999 David Hanson; Proth
n = 39224 11811 digits
n = 50276 15138 digits Jun 1998 David Hanson; Proth
n = 63318 19064 digits
n = 66582 20047 digits
n = 98586 29681 digits
n = 103848 31265 digits Oct 2001 Anton Oleynick; Proth
n = 108114 32549 digits Oct 2001 Anton Oleynick; Proth
n = 124152 37377 digits
n = 328580 98916 digits Oct 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 374496 112738 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 493082 148436 digits Jan 2009 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 828692 249465 digits Apr 2011 Wolfgang Schmidt; PSieve; srsieve; PrimeGrid; LLR
n = 837416 252091 digits Apr 2011 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 1366700 411421 digits Jan 2012 Michael Utiuzh; PSieve; srsieve; PrimeGrid; LLR
n = 1369986 412410 digits Jan 2012 Krzysztof Kozłowski; PSieve; srsieve; PrimeGrid; LLR
n = 1755312 528405 digits Mar 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2844974 856426 digits Feb 2020 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 2887934 869358 digits Sep 2020 Kellen Shenton; PSieve; srsieve; PrimeGrid; LLR
n = 4107822 1236581 digits Feb 2026 Detlef Lexut; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4184016 1259518 digits Feb 2026 Roman Krompolc; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 957
max n: 4.499.976
n = 4 5 digits
n = 7 6 digits
n = 10 6 digits
n = 12 7 digits
n = 22 10 digits
n = 36 14 digits
n = 124 41 digits
n = 130 43 digits
n = 307 96 digits
n = 610 187 digits
n = 811 248 digits
n = 972 296 digits
n = 1152 350 digits
n = 1570 476 digits
n = 1650 500 digits
n = 1884 571 digits
n = 2056 622 digits
n = 4326 1306 digits
n = 7042 2123 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12342 3719 digits
n = 12412 3740 digits
n = 13900 4188 digits
n = 16126 4858 digits Feb 1998 Charles F. Kerchner III; Proth
n = 19984 6019 digits Oct 1996 Patrick Demichel
n = 37267 11222 digits
n = 38080 11467 digits
n = 41824 12594 digits
n = 49366 14864 digits
n = 78526 23642 digits
n = 85786 25828 digits
n = 113959 34309 digits
n = 120960 36416 digits Jun 2003 Bo Tornberg; NewPGen; PRP; Proth
n = 177144 53329 digits Jun 2003 Anton Oleynick; Proth
n = 184084 55418 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 401850 120972 digits Apr 2007 Steven Harvey; FermFact; OpenPFGW
n = 448584 135041 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 482230 145169 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 1231656 370769 digits Nov 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1325706 399081 digits Jan 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3829576 1152821 digits Oct 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4268430 1284929 digits Feb 2026 Detlef Lexut; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4398690 1324141 digits Feb 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 959
max n: 4.499.877
n = 3 4 digits
n = 5 5 digits
n = 7 6 digits
n = 11 7 digits
n = 15 8 digits
n = 17 9 digits
n = 23 10 digits
n = 25 11 digits
n = 27 12 digits
n = 33 13 digits
n = 123 41 digits
n = 207 66 digits
n = 211 67 digits
n = 353 110 digits
n = 375 116 digits
n = 531 163 digits
n = 543 167 digits
n = 547 168 digits
n = 587 180 digits
n = 1125 342 digits
n = 3051 922 digits
n = 3615 1092 digits
n = 7015 2115 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7591 2289 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8037 2423 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9621 2900 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14957 4506 digits Feb 1998 Ray Ballinger; Proth
n = 20861 6283 digits Oct 1996 Patrick Demichel
n = 21451 6461 digits Nov 1998 Alfredo Cano; Proth
n = 52727 15876 digits
n = 61851 18622 digits
n = 63763 19198 digits
n = 121903 36700 digits
n = 131273 39521 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 630963 189942 digits Apr 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 848705 255489 digits Apr 2011 Marcos Ostria; PSieve; srsieve; PrimeGrid; LLR
n = 942165 283623 digits May 2011 Yuuki Saito; PSieve; srsieve; PrimeGrid; LLR
n = 1600467 481792 digits Nov 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 2008035 604482 digits Apr 2014 James Steichen; PSieve; srsieve; PrimeGrid; LLR
n = 2370077 713468 digits Jul 2016 Jonathan Champ; PSieve; srsieve; PrimeGrid; LLR
n = 3821971 1150531 digits Oct 2025 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4208867 1266999 digits Feb 2026 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 961
max n: 4.499.984
n = 4 5 digits
n = 8 6 digits
n = 20 10 digits
n = 260 82 digits
n = 568 174 digits
n = 592 182 digits
n = 784 239 digits
n = 4616 1393 digits
n = 12064 3635 digits
n = 33004 9939 digits
n = 57404 17284 digits
n = 64004 19271 digits
n = 79732 24005 digits
n = 88300 26584 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 147592 44433 digits
n = 163304 49163 digits Mar 2002 Anton Oleynick; Proth
n = 365648 110074 digits Jan 2008 Steven Harvey; FermFact; OpenPFGW
n = 406696 122431 digits Apr 2007 Steven Harvey; FermFact; OpenPFGW
n = 1064440 320432 digits Oct 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1072768 322939 digits Sep 2011 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 2870596 864139 digits Jun 2020 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
k: 963
max n: 4.499.969
n = 2 4 digits
n = 5 5 digits
n = 10 6 digits
n = 12 7 digits
n = 17 9 digits
n = 28 12 digits
n = 37 15 digits
n = 77 27 digits
n = 82 28 digits
n = 89 30 digits
n = 104 35 digits
n = 137 45 digits
n = 280 88 digits
n = 290 91 digits
n = 658 202 digits
n = 889 271 digits
n = 1605 487 digits
n = 2392 724 digits
n = 4793 1446 digits
n = 7865 2371 digits 1993 Harvey Dubner; Dubner Cruncher
n = 12350 3721 digits
n = 26708 8043 digits Aug 1998 Tadashi Taura; Proth
n = 46745 14075 digits
n = 63685 19175 digits
n = 81692 24595 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 146324 44051 digits
n = 441729 132977 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 460473 138620 digits Dec 2008 Frank Laurijssens; srsieve; PrimeGrid; LLR
n = 1761050 530132 digits Mar 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2234249 672579 digits Jan 2016 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 2261357 680740 digits Feb 2016 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 3145753 946969 digits Dec 2021 Jim Wilkins; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3786073 1139725 digits Oct 2025 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4380310 1318608 digits Feb 2026 Anthony Templin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 965
max n: 4.499.971
n = 1 4 digits
n = 5 5 digits
n = 53 19 digits
n = 59 21 digits
n = 73 25 digits
n = 79 27 digits
n = 101 34 digits
n = 203 65 digits
n = 329 103 digits
n = 485 149 digits
n = 523 161 digits
n = 623 191 digits
n = 1141 347 digits
n = 1835 556 digits
n = 2137 647 digits
n = 2239 677 digits
n = 2303 697 digits
n = 2507 758 digits
n = 6539 1972 digits 1993 Harvey Dubner; Dubner Cruncher
n = 6569 1981 digits
n = 7507 2263 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8567 2582 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10705 3226 digits
n = 11959 3604 digits
n = 17933 5402 digits Oct 1996 Patrick Demichel
n = 19849 5979 digits Oct 1996 Patrick Demichel
n = 25417 7655 digits Jun 1998 Ray Ballinger; Proth
n = 26821 8077 digits Aug 1998 Tadashi Taura; Proth
n = 29669 8935 digits Aug 1998 Tadashi Taura; Proth
n = 33085 9963 digits
n = 74561 22449 digits
n = 96791 29140 digits
n = 130303 39229 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 156415 47089 digits
n = 172075 51803 digits Jun 2003 Anton Oleynick; Proth
n = 186181 56050 digits Feb 2005 Steven Harvey; FermFact; OpenPFGW
n = 209431 63048 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 312713 94139 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 342337 103057 digits Feb 2006 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 357769 107703 digits Jan 2008 Steven Harvey; FermFact; OpenPFGW
n = 373489 112435 digits Aug 2007 Steven Harvey; FermFact; OpenPFGW
n = 531295 159939 digits Sep 2008 Steven Harvey; FermFact; OpenPFGW
n = 593597 178694 digits Mar 2009 Pietari Snow; srsieve; PrimeGrid; LLR
n = 3279151 987126 digits Jul 2022 Scott Lee; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3685969 1109591 digits Sep 2025 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 967
max n: 4.499.962
n = 4 5 digits
n = 8 6 digits
n = 12 7 digits
n = 18 9 digits
n = 26 11 digits
n = 32 13 digits
n = 34 14 digits
n = 68 24 digits
n = 88 30 digits
n = 104 35 digits
n = 132 43 digits
n = 178 57 digits
n = 198 63 digits
n = 212 67 digits
n = 518 159 digits
n = 598 184 digits
n = 608 187 digits
n = 718 220 digits
n = 1832 555 digits
n = 3582 1082 digits
n = 3776 1140 digits
n = 4154 1254 digits
n = 4288 1294 digits
n = 5504 1660 digits
n = 5944 1793 digits
n = 6526 1968 digits
n = 10114 3048 digits
n = 12088 3642 digits
n = 14716 4433 digits Feb 1998 Ray Ballinger; Proth
n = 16942 5104 digits May 1996 Patrick Demichel
n = 19718 5939 digits Oct 1996 Patrick Demichel
n = 24718 7444 digits Aug 1998 Tadashi Taura; Proth
n = 26712 8045 digits Aug 1998 Tadashi Taura; Proth
n = 45748 13775 digits
n = 47716 14367 digits
n = 50012 15059 digits Apr 1998 David Hanson; Proth
n = 78226 23552 digits
n = 99278 29889 digits
n = 101286 30494 digits Oct 2001 Anton Oleynick; Proth
n = 109756 33043 digits Nov 2001 Anton Oleynick; Proth
n = 115056 34639 digits
n = 139782 42082 digits
n = 256938 77350 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 309392 93140 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 410948 123711 digits Apr 2007 Steven Harvey; FermFact; OpenPFGW
n = 411506 123879 digits Apr 2007 Steven Harvey; FermFact; OpenPFGW
n = 467098 140614 digits Dec 2008 Rory Smith; srsieve; PrimeGrid; LLR
n = 489572 147379 digits Jan 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 559594 168458 digits Feb 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 746962 224861 digits Feb 2010 Dave Mitchell; srsieve; PrimeGrid; LLR
n = 1085534 326782 digits Sep 2011 Václav Vinklát; PSieve; srsieve; PrimeGrid; LLR
n = 1453316 437495 digits Jan 2012 Art Charette; PSieve; srsieve; PrimeGrid; LLR
n = 2514698 757003 digits Aug 2017 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 2526276 760488 digits Oct 2017 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2629344 791515 digits Aug 2018 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 2768408 833377 digits Jul 2019 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 4191198 1261680 digits Feb 2026 Tyler Bredl; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 969
max n: 4.499.994
n = 2 4 digits
n = 3 4 digits
n = 6 5 digits
n = 69 24 digits
n = 90 31 digits
n = 113 38 digits
n = 153 50 digits
n = 269 84 digits
n = 273 86 digits
n = 279 87 digits
n = 947 289 digits
n = 1190 362 digits
n = 1230 374 digits
n = 1263 384 digits
n = 1307 397 digits
n = 1553 471 digits
n = 1814 550 digits
n = 2427 734 digits
n = 2603 787 digits
n = 2762 835 digits
n = 2918 882 digits
n = 3009 909 digits
n = 4053 1224 digits
n = 4206 1270 digits
n = 4313 1302 digits
n = 5409 1632 digits
n = 5913 1783 digits
n = 7446 2245 digits 1993 Harvey Dubner; Dubner Cruncher
n = 9237 2784 digits 1993 Harvey Dubner; Dubner Cruncher
n = 16277 4903 digits Feb 1998 Charles F. Kerchner III; Proth
n = 17801 5362 digits Jul 1996 Patrick Demichel
n = 181857 54748 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 184971 55685 digits Mar 2005 Steven Harvey; FermFact; OpenPFGW
n = 299310 90105 digits Apr 2006 Steven Harvey; FermFact; OpenPFGW
n = 405123 121958 digits Jun 2007 Steven Harvey; FermFact; OpenPFGW
n = 546938 164648 digits Feb 2009 Dave Sunderland; srsieve; PrimeGrid; LLR
n = 718947 216428 digits Feb 2010 Uli Waibel; srsieve; PrimeGrid; LLR
n = 980699 295223 digits Jun 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1435731 432202 digits Jan 2012 Lars Wallin; PSieve; srsieve; PrimeGrid; LLR
n = 1447062 435613 digits Jan 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1759430 529645 digits Mar 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1904357 573272 digits Dec 2013 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 2054054 618335 digits May 2014 Alexander Prokopchuk; PSieve; srsieve; PrimeGrid; LLR
n = 2200223 662337 digits Nov 2015 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 2228379 670812 digits Jan 2016 Dennis Hutchins; PSieve; srsieve; PrimeGrid; LLR
n = 4432638 1334360 digits Mar 2026 Gary Bauer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 971
max n: 4.499.991
n = 9 6 digits
n = 25 11 digits
n = 31 13 digits
n = 55 20 digits
n = 81 28 digits
n = 103 34 digits
n = 145 47 digits
n = 519 160 digits
n = 639 196 digits
n = 703 215 digits
n = 5223 1576 digits
n = 5521 1665 digits
n = 5559 1677 digits
n = 7791 2349 digits 1993 Harvey Dubner; Dubner Cruncher
n = 13239 3989 digits
n = 17941 5404 digits Oct 1996 Patrick Demichel
n = 128751 38761 digits
n = 162303 48862 digits Feb 2002 Anton Oleynick; Proth
n = 651325 196072 digits May 2009 Amy Chambers; srsieve; PrimeGrid; LLR
n = 1633735 491807 digits Dec 2012 Dylan Kenney; PSieve; srsieve; PrimeGrid; LLR
n = 2289135 689102 digits Feb 2016 Simon Rawles; PSieve; srsieve; PrimeGrid; LLR
n = 2982525 897833 digits Mar 2021 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 973
max n: 4.499.984
n = 4 5 digits
n = 6 5 digits
n = 8 6 digits
n = 12 7 digits
n = 14 8 digits
n = 16 8 digits
n = 30 13 digits
n = 32 13 digits
n = 68 24 digits
n = 70 25 digits
n = 112 37 digits
n = 134 44 digits
n = 152 49 digits
n = 184 59 digits
n = 224 71 digits
n = 278 87 digits
n = 280 88 digits
n = 320 100 digits
n = 422 131 digits
n = 676 207 digits
n = 768 235 digits
n = 1038 316 digits
n = 1086 330 digits
n = 1692 513 digits
n = 2104 637 digits
n = 2860 864 digits
n = 5048 1523 digits
n = 10604 3196 digits
n = 28062 8451 digits Aug 1998 Tadashi Taura; Proth
n = 31256 9412 digits Jul 1998 Tadashi Taura; Proth
n = 34928 10518 digits
n = 52424 15785 digits
n = 55592 16738 digits
n = 104076 31333 digits Nov 2001 Anton Oleynick; Proth
n = 132222 39806 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 486740 146527 digits Jan 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 588814 177254 digits Apr 2009 Bruno Usai; srsieve; PrimeGrid; LLR
n = 612382 184349 digits Mar 2009 Rodger M. Ewing; srsieve; PrimeGrid; LLR
n = 753040 226691 digits Feb 2010 Daniel J. Buckley; srsieve; PrimeGrid; LLR
n = 923318 277950 digits Jan 2011 Ruediger K. Eckhard; LLR
n = 1206088 363072 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1267246 381483 digits Nov 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 2254320 678621 digits Jan 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2511920 756167 digits Aug 2017 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 2789516 839731 digits Jul 2019 Larry Ryan; PSieve; srsieve; PrimeGrid; LLR
n = 2923062 879933 digits Jan 2021 Arnaud Jacques; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2937046 884142 digits Feb 2021 James P. Burt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3069092 923892 digits Jul 2021 Sascha Beat Dinkel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 975
max n: 4.499.983
n = 1 4 digits
n = 4 5 digits
n = 6 5 digits
n = 12 7 digits
n = 14 8 digits
n = 15 8 digits
n = 16 8 digits
n = 17 9 digits
n = 24 11 digits
n = 26 11 digits
n = 32 13 digits
n = 35 14 digits
n = 37 15 digits
n = 39 15 digits
n = 40 16 digits
n = 81 28 digits
n = 90 31 digits
n = 156 50 digits
n = 160 52 digits
n = 304 95 digits
n = 332 103 digits
n = 377 117 digits
n = 382 118 digits
n = 626 192 digits
n = 1330 404 digits
n = 1402 426 digits
n = 1424 432 digits
n = 1533 465 digits
n = 1540 467 digits
n = 1840 557 digits
n = 6406 1932 digits
n = 6407 1932 digits
n = 8027 2420 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8102 2442 digits 1993 Harvey Dubner; Dubner Cruncher
n = 14409 4341 digits
n = 17772 5353 digits Jul 1996 Patrick Demichel
n = 23091 6955 digits 1996 Patrick Demichel
n = 23217 6993 digits
n = 36816 11086 digits
n = 41230 12415 digits Dec 1999 Gary Chaffey; Proth
n = 42189 12704 digits Oct 1998 Tadashi Taura; Proth
n = 46864 14111 digits Jan 2003 Göran Axelsson; Proth
n = 57124 17200 digits Oct 1998 Tadashi Taura; Proth
n = 73301 22069 digits
n = 87010 26196 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 91856 27655 digits Dec 2001 Göran Axelsson; Proth
n = 102116 30743 digits Nov 2001 Anton Oleynick; Proth
n = 120716 36343 digits
n = 134050 40357 digits Jul 2001 Jim Fougeron; FermFact; OpenPFGW
n = 142781 42985 digits
n = 144860 43611 digits
n = 148033 44566 digits
n = 213395 64242 digits Apr 2005 Steven Harvey; FermFact; OpenPFGW
n = 231004 69543 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 253252 76240 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 299846 90266 digits May 2006 Steven Harvey; FermFact; OpenPFGW
n = 307013 92424 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 387082 116527 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 397717 119728 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 463041 139393 digits Dec 2008 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 467222 140651 digits Dec 2008 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 523544 157606 digits Sep 2008 Steven Harvey; FermFact; OpenPFGW
n = 533780 160687 digits Sep 2008 Steven Harvey; FermFact; OpenPFGW
n = 545986 164362 digits Feb 2009 Rytis Slatkevicius; srsieve; PrimeGrid; LLR
n = 577342 173801 digits Mar 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 616335 185539 digits Mar 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 624927 188125 digits Apr 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 630019 189658 digits Apr 2009 James P. Burt; srsieve; PrimeGrid; LLR
n = 636054 191475 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 691009 208018 digits Nov 2009 Jozef Borovsky; srsieve; PrimeGrid; LLR
n = 1274973 383809 digits Nov 2011 Andreas Heinz; PSieve; srsieve; PrimeGrid; LLR
n = 1347675 405694 digits Jan 2012 Nikolay Dovgiy; PSieve; srsieve; PrimeGrid; Ukraine; LLR
n = 1624794 489115 digits Dec 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1714004 515970 digits Dec 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1789341 538649 digits Apr 2013 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1885724 567663 digits Nov 2013 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 2119209 637949 digits Jul 2014 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 2681840 807318 digits Dec 2018 Mark Jones; PSieve; srsieve; PrimeGrid; LLR
n = 3312951 997301 digits Jul 2022 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3419230 1029294 digits Aug 2017 Eric Eskam; PSieve; srsieve; PrimeGrid; LLR
n = 3900804 1174263 digits Nov 2025 Yuki Mizusawa; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 977
max n: 4.499.875
n = 3 4 digits
n = 31 13 digits
n = 103 34 digits
n = 127 42 digits
n = 763 233 digits
n = 831 254 digits
n = 1195 363 digits
n = 3995 1206 digits
n = 7191 2168 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11663 3514 digits
n = 72487 21824 digits
n = 80043 24099 digits
n = 119863 36086 digits
n = 276951 83374 digits Oct 2005 Steven Harvey; FermFact; OpenPFGW
n = 309835 93273 digits May 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 2265655 682034 digits Feb 2016 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 2606211 784551 digits Jul 2018 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
k: 979
max n: 4.499.930
n = 2 4 digits
n = 22 10 digits
n = 50 19 digits
n = 182 58 digits
n = 1546 469 digits
n = 4874 1471 digits
n = 6154 1856 digits
n = 28150 8477 digits Aug 1998 Tadashi Taura; Proth
n = 73166 22029 digits
n = 126554 38100 digits Aug 2003 John Metcalf; Proth
n = 293450 88341 digits May 2006 Steven Harvey; FermFact; OpenPFGW
n = 387914 116777 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 1245698 374996 digits Nov 2011 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
k: 981
max n: 4.499.993
n = 5 5 digits
n = 28 12 digits
n = 33 13 digits
n = 35 14 digits
n = 75 26 digits
n = 99 33 digits
n = 100 34 digits
n = 113 38 digits
n = 115 38 digits
n = 135 44 digits
n = 139 45 digits
n = 219 69 digits
n = 340 106 digits
n = 381 118 digits
n = 387 120 digits
n = 405 125 digits
n = 508 156 digits
n = 623 191 digits
n = 773 236 digits
n = 1112 338 digits
n = 1363 414 digits
n = 1419 431 digits
n = 1892 573 digits
n = 2345 709 digits
n = 3365 1016 digits
n = 6448 1945 digits
n = 9427 2841 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10900 3285 digits
n = 13060 3935 digits
n = 18525 5580 digits Oct 1996 Patrick Demichel
n = 25805 7772 digits Aug 1998 Tadashi Taura; Proth
n = 33727 10156 digits
n = 47908 14425 digits
n = 49553 14920 digits
n = 52048 15672 digits
n = 77667 23384 digits
n = 94691 28508 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 94929 28580 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 94968 28592 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 103853 31266 digits Dec 2001 Anton Oleynick; Proth
n = 111705 33630 digits
n = 152189 45817 digits
n = 177107 53318 digits Sep 2003 Anton Oleynick; Proth
n = 186893 56264 digits Mar 2005 Jiong Sun; NewPGen; OpenPFGW
n = 243200 73214 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 293757 88433 digits Apr 2006 Steven Harvey; FermFact; OpenPFGW
n = 304635 91708 digits May 2004 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 384576 115772 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 448948 135150 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 453605 136552 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 588855 177267 digits Apr 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 745611 224455 digits Feb 2010 Frans Englund; srsieve; PrimeGrid; LLR
n = 1373643 413511 digits Jan 2012 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1765221 531388 digits Mar 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1805368 543473 digits Nov 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 2622032 789314 digits Aug 2018 Lukas Hron; PSieve; srsieve; PrimeGrid; LLR
n = 4018797 1209782 digits Dec 2025 Dustin Waller; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4275641 1287100 digits Mar 2026 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 983
max n: 4.499.997
n = 9 6 digits
n = 209 66 digits
n = 741 227 digits
n = 7697 2321 digits 1993 Harvey Dubner; Dubner Cruncher
n = 27725 8350 digits Aug 1998 Tadashi Taura; Proth
n = 239969 72241 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 638361 192169 digits May 2009 Bryan Barnett; srsieve; PrimeGrid; LLR
k: 985
max n: 4.499.914
n = 4 5 digits
n = 34 14 digits
n = 142 46 digits
n = 538 165 digits
n = 634 194 digits
n = 6660 2008 digits Mar 1996 Patrick Demichel
n = 31822 9583 digits Jul 1998 Tadashi Taura; Proth
n = 117034 35234 digits
n = 123718 37246 digits Sep 2003 John Metcalf; Proth
n = 357702 107683 digits Jan 2008 Steven Harvey; FermFact; OpenPFGW
n = 624114 187881 digits Apr 2009 Ikumi Yuki; srsieve; PrimeGrid; LLR
n = 1679754 505660 digits Dec 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1694268 510029 digits Dec 2012 Jean Sébastien Delisle; PSieve; srsieve; PrimeGrid; LLR
n = 1801582 542334 digits Oct 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 987
max n: 4.499.966
n = 7 6 digits
n = 11 7 digits
n = 16 8 digits
n = 19 9 digits
n = 23 10 digits
n = 31 13 digits
n = 34 14 digits
n = 35 14 digits
n = 38 15 digits
n = 47 18 digits
n = 66 23 digits
n = 91 31 digits
n = 127 42 digits
n = 136 44 digits
n = 183 59 digits
n = 187 60 digits
n = 190 61 digits
n = 323 101 digits
n = 651 199 digits
n = 678 208 digits
n = 687 210 digits
n = 734 224 digits
n = 1027 313 digits
n = 1179 358 digits
n = 1419 431 digits
n = 1431 434 digits
n = 1846 559 digits
n = 2219 671 digits
n = 3424 1034 digits
n = 4946 1492 digits
n = 12736 3837 digits
n = 14311 4312 digits Feb 1998 Ray Ballinger; Proth
n = 19466 5863 digits Oct 1996 Patrick Demichel
n = 27811 8375 digits Aug 1998 Tadashi Taura; Proth
n = 28023 8439 digits Aug 1998 Tadashi Taura; Proth
n = 37934 11423 digits
n = 41771 12578 digits
n = 42379 12761 digits
n = 83624 25177 digits Oct 2001 Jim Fougeron; FermFact; OpenPFGW
n = 86023 25899 digits Dec 1999 Giovanni La Barbera; Proth
n = 86095 25921 digits
n = 93206 28061 digits Nov 2001 Jim Fougeron; FermFact; OpenPFGW
n = 111056 33435 digits Jan 2003 Michael Richard Eaton; Proth
n = 117638 35416 digits
n = 129179 38890 digits Dec 1998 Lars A Carlen; Proth
n = 195143 58747 digits Mar 2005 Jiong Sun; NewPGen; OpenPFGW
n = 200447 60344 digits Jun 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 358954 108059 digits Dec 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 422984 127334 digits Mar 2008 Ruediger K. Eckhard; LLR
n = 447923 134842 digits Mar 2008 Steven Harvey; FermFact; OpenPFGW
n = 451058 135785 digits Dec 2008 Mark Codding; srsieve; PrimeGrid; LLR
n = 514910 155007 digits May 2008 Steven Harvey; FermFact; OpenPFGW
n = 898718 270545 digits May 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 930074 279984 digits Apr 2011 Ruediger K. Eckhard; LLR
n = 1232387 370989 digits Nov 2011 Marek Krawczyk; PSieve; srsieve; PrimeGrid; LLR
n = 1267175 381461 digits Nov 2011 Masato Nose; PSieve; srsieve; PrimeGrid; LLR
n = 1314127 395595 digits Jan 2012 Robert Lacroix; PSieve; srsieve; PrimeGrid; LLR
n = 1433326 431478 digits Jan 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1672475 503469 digits Dec 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1885160 567493 digits Nov 2013 Daniel Schemmel; PSieve; srsieve; PrimeGrid; LLR
n = 3195883 962060 digits Feb 2022 Margus Sõmer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3954743 1190500 digits Dec 2025 Chaichontat Sriworarat; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 4061658 1222684 digits Jan 2026 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 989
max n: 4.499.961
n = 1 4 digits
n = 5 5 digits
n = 19 9 digits
n = 41 16 digits
n = 47 18 digits
n = 57 21 digits
n = 59 21 digits
n = 95 32 digits
n = 101 34 digits
n = 105 35 digits
n = 115 38 digits
n = 119 39 digits
n = 129 42 digits
n = 167 54 digits
n = 179 57 digits
n = 221 70 digits
n = 237 75 digits
n = 499 154 digits
n = 629 193 digits
n = 691 212 digits
n = 799 244 digits
n = 885 270 digits
n = 1379 419 digits
n = 1513 459 digits
n = 1869 566 digits
n = 1873 567 digits
n = 2095 634 digits
n = 2299 696 digits
n = 3381 1021 digits
n = 5709 1722 digits
n = 5853 1765 digits
n = 7419 2237 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7441 2243 digits 1993 Harvey Dubner; Dubner Cruncher
n = 8311 2505 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10115 3048 digits
n = 11899 3585 digits
n = 19349 5828 digits Oct 1996 Patrick Demichel
n = 24113 7262 digits Aug 1998 Tadashi Taura; Proth
n = 26859 8089 digits Aug 1998 Tadashi Taura; Proth
n = 34859 10497 digits
n = 35031 10549 digits
n = 36515 10996 digits
n = 40197 12104 digits
n = 57229 17231 digits
n = 63191 19026 digits
n = 67525 20331 digits
n = 98237 29576 digits
n = 222305 66924 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 258521 77826 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 290505 87454 digits Mar 2006 Steven Harvey; FermFact; OpenPFGW
n = 458035 137886 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 869635 261790 digits May 2011 Dmitriy Kodochigov; PSieve; srsieve; PrimeGrid; LLR
n = 1580147 475675 digits Nov 2012 Ross Romer; PSieve; srsieve; PrimeGrid; LLR
n = 1967819 592376 digits Dec 2013 Sven B Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 2686591 808748 digits Dec 2018 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 3640585 1095929 digits Jul 2020 Erwin Doescher; LLR
n = 4215379 1268959 digits Feb 2026 Vladislav Ketamino; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 991
max n: 4.499.948
n = 16 8 digits
n = 24 11 digits
n = 72 25 digits
n = 88 30 digits
n = 144 47 digits
n = 852 260 digits
n = 54672 16461 digits
n = 69328 20873 digits
n = 672652 202492 digits Aug 2009 Uwe Wiesemann; srsieve; PrimeGrid; LLR
n = 1822216 548545 digits Nov 2013 Bradford Nye; PSieve; srsieve; PrimeGrid; LLR
n = 3010036 906115 digits Apr 2021 Phil Deakin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 993
max n: 4.499.996
n = 1 4 digits
n = 4 5 digits
n = 8 6 digits
n = 13 7 digits
n = 14 8 digits
n = 16 8 digits
n = 32 13 digits
n = 34 14 digits
n = 52 19 digits
n = 73 25 digits
n = 76 26 digits
n = 134 44 digits
n = 154 50 digits
n = 185 59 digits
n = 202 64 digits
n = 292 91 digits
n = 316 99 digits
n = 322 100 digits
n = 329 103 digits
n = 352 109 digits
n = 364 113 digits
n = 469 145 digits
n = 542 167 digits
n = 556 171 digits
n = 608 187 digits
n = 668 205 digits
n = 1021 311 digits
n = 1378 418 digits
n = 1886 571 digits
n = 2098 635 digits
n = 2453 742 digits
n = 2456 743 digits
n = 2869 867 digits
n = 2902 877 digits
n = 3493 1055 digits May 1996 Patrick Demichel
n = 4309 1301 digits
n = 4436 1339 digits
n = 5276 1592 digits
n = 7505 2263 digits 1993 Harvey Dubner; Dubner Cruncher
n = 7946 2395 digits 1989 Harvey Dubner; Dubner Cruncher
n = 8080 2436 digits 1993 Harvey Dubner; Dubner Cruncher
n = 10373 3126 digits
n = 12356 3723 digits
n = 14306 4310 digits Feb 1998 Ray Ballinger; Proth
n = 16480 4964 digits Mar 1998 Charles F. Kerchner III; Proth
n = 16768 5051 digits Mar 1998 Charles F. Kerchner III; Proth
n = 22876 6890 digits 1996 Patrick Demichel
n = 27998 8432 digits Aug 1998 Tadashi Taura; Proth
n = 31892 9604 digits Jul 1998 Tadashi Taura; Proth
n = 36364 10950 digits
n = 36532 11001 digits
n = 41161 12394 digits Nov 1999 Alfredo Cano; Proth
n = 43369 13059 digits
n = 45532 13710 digits
n = 66808 20115 digits
n = 169174 50930 digits Mar 2002 Anton Oleynick; Proth
n = 175796 52923 digits Dec 2003 Anton Oleynick; Proth
n = 192865 58062 digits Feb 2005 Steven Harvey; FermFact; OpenPFGW
n = 225998 68036 digits Jul 2005 Steven Harvey; FermFact; OpenPFGW
n = 243344 73257 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 290108 87335 digits Mar 2006 Steven Harvey; FermFact; OpenPFGW
n = 361906 108948 digits Feb 2008 Steven Harvey; FermFact; OpenPFGW
n = 376196 113250 digits Sep 2007 Steven Harvey; FermFact; OpenPFGW
n = 396322 119308 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 398624 120001 digits Oct 2007 Steven Harvey; FermFact; OpenPFGW
n = 658034 198091 digits Jun 2009 Jochen Beck; srsieve; PrimeGrid; LLR
n = 990604 298205 digits Jul 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 1047352 315288 digits Sep 2011 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 1262086 379929 digits Nov 2011 Anders Åström; PSieve; srsieve; PrimeGrid; LLR
n = 1691212 509109 digits Dec 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1821088 548206 digits Nov 2013 Robert Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 2148205 646678 digits Jul 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2464082 741766 digits Mar 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2649256 797509 digits Aug 2018 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 995
max n: 4.499.963
n = 9 6 digits
n = 27 12 digits
n = 35 14 digits
n = 303 95 digits
n = 2689 813 digits
n = 3473 1049 digits
n = 3625 1095 digits
n = 4403 1329 digits
n = 5033 1519 digits
n = 12185 3672 digits
n = 12777 3850 digits
n = 15167 4569 digits Feb 1998 Charles F. Kerchner III; Proth
n = 27539 8294 digits Aug 1998 Tadashi Taura; Proth
n = 41459 12484 digits
n = 46719 14067 digits
n = 67025 20180 digits
n = 226035 68047 digits Jul 2005 Steven Harvey; NewPGen; PRP; OpenPFGW
n = 266609 80261 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 277359 83497 digits Sep 2005 Steven Harvey; FermFact; OpenPFGW
n = 357089 107498 digits Jan 2008 Steven Harvey; FermFact; OpenPFGW
n = 429875 129409 digits Mar 2008 Ruediger K. Eckhard; LLR
n = 725127 218288 digits Feb 2010 Paul Broussard; srsieve; PrimeGrid; LLR
n = 834257 251140 digits Apr 2011 Wolfgang Schmidt; PSieve; srsieve; PrimeGrid; LLR
n = 917153 276094 digits Dec 2010 Ruediger K. Eckhard; LLR
n = 1450439 436629 digits Jan 2012 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 2178819 655893 digits Aug 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 4216057 1269163 digits Feb 2026 Sylvain Laboisne; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 997
max n: 4.499.964
n = 2 4 digits
n = 6 5 digits
n = 20 10 digits
n = 24 11 digits
n = 66 23 digits
n = 260 82 digits
n = 320 100 digits
n = 390 121 digits
n = 750 229 digits
n = 1064 324 digits
n = 1254 381 digits
n = 1392 423 digits
n = 1484 450 digits
n = 2214 670 digits
n = 2220 672 digits
n = 2954 893 digits
n = 5144 1552 digits
n = 5726 1727 digits
n = 7460 2249 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11000 3315 digits
n = 12920 3893 digits
n = 17852 5377 digits Jul 1996 Patrick Demichel
n = 28686 8639 digits Aug 1998 Tadashi Taura; Proth
n = 38244 11516 digits
n = 43776 13181 digits
n = 172716 51996 digits Jan 2004 Anton Oleynick; Proth
n = 222956 67120 digits Jun 2005 Steven Harvey; FermFact; OpenPFGW
n = 957762 288319 digits Jun 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 1012580 304820 digits Mar 2011 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1216484 366202 digits Nov 2011 Charley Gielkens; PSieve; srsieve; PrimeGrid; LLR
n = 1728146 520227 digits Jan 2013 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 3944690 1187474 digits Dec 2025 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 999
max n: 4.499.911
n = 1 4 digits
n = 3 4 digits
n = 7 6 digits
n = 10 7 digits
n = 13 7 digits
n = 18 9 digits
n = 21 10 digits
n = 27 12 digits
n = 67 24 digits
n = 261 82 digits
n = 282 88 digits
n = 330 103 digits
n = 363 113 digits
n = 463 143 digits
n = 877 268 digits
n = 1074 327 digits
n = 1165 354 digits
n = 2002 606 digits
n = 3445 1041 digits
n = 3625 1095 digits
n = 4266 1288 digits
n = 4935 1489 digits
n = 4962 1497 digits
n = 9378 2827 digits 1993 Harvey Dubner; Dubner Cruncher
n = 11875 3578 digits
n = 12037 3627 digits
n = 17685 5327 digits Jul 1996 Patrick Demichel
n = 17865 5381 digits Jul 1996 Patrick Demichel
n = 21337 6427 digits Oct 1996 Patrick Demichel
n = 21481 6470 digits Oct 1996 Patrick Demichel
n = 21675 6528 digits Oct 1996 Patrick Demichel
n = 22050 6641 digits Nov 1998 Alfredo Cano; Proth
n = 25122 7566 digits Apr 1998 Ray Ballinger; Proth
n = 29911 9008 digits Aug 1998 Tadashi Taura; Proth
n = 33613 10122 digits
n = 49215 14819 digits
n = 50218 15121 digits May 1998 David Hanson; Proth
n = 51805 15598 digits
n = 55890 16828 digits
n = 65178 19624 digits
n = 69258 20852 digits
n = 87291 26281 digits
n = 255231 76836 digits Apr 2005 Japke Rosink; NewPGen; LLR
n = 342381 103070 digits Apr 2005 Japke Rosink; NewPGen; LLR
n = 392241 118080 digits May 2005 Japke Rosink; NewPGen; LLR
n = 409437 123256 digits Apr 2005 Japke Rosink; NewPGen; LLR
n = 412690 124236 digits Apr 2005 Japke Rosink; NewPGen; LLR
n = 487426 146733 digits Apr 2005 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 585907 176379 digits Jul 2006 Japke Rosink; NewPGen; LLR
n = 1382497 416177 digits Jan 2012 Steven F. Bohl; PSieve; srsieve; PrimeGrid; LLR
n = 2125575 639865 digits Jul 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3418885 1029190 digits Aug 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 4255666 1281087 digits Feb 2026 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR