Known Proth primes ; 7000 < k < 8000
Expression: k * 2^n + 1
k: 7001
max n: 2.370.422
n = 3 5 digits
n = 5 6 digits
n = 27 12 digits
n = 33 14 digits
n = 49 19 digits
n = 117 40 digits
n = 169 55 digits
n = 227 73 digits
n = 423 132 digits
n = 1433 436 digits
n = 3683 1113 digits 1993 Jeffrey Young
n = 4049 1223 digits 1993 Jeffrey Young
n = 10229 3084 digits
n = 17177 5175 digits
n = 28293 8521 digits
n = 28575 8606 digits
n = 30719 9252 digits
n = 76317 22978 digits
n = 145089 43680 digits Jul 2003 Bruce Ziemienski; Proth
n = 335365 100959 digits Apr 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 891773 268455 digits Jun 2012 Enzo Castigliola; PSieve; srsieve; PrimeGrid; LLR
n = 1207849 363603 digits Dec 2013 Jon Beard; PSieve; srsieve; PrimeGrid; LLR
k: 7003
max n: 2.372.669
n = 6 6 digits
n = 26 12 digits
n = 36 15 digits
n = 44 18 digits
n = 62 23 digits
n = 236 75 digits
n = 260 83 digits
n = 270 86 digits
n = 494 153 digits
n = 654 201 digits
n = 666 205 digits
n = 1932 586 digits
n = 2940 889 digits
n = 6026 1818 digits
n = 21626 6514 digits
n = 49742 14978 digits
n = 55770 16793 digits
n = 79460 23924 digits
n = 132566 39911 digits Oct 2003 Bruce Ziemienski; Proth
n = 182454 54928 digits
n = 457422 137702 digits Jun 2009 Rodger M. Ewing; srsieve; PrimeGrid; LLR
n = 892086 268549 digits Jun 2012 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
n = 2163606 651315 digits Feb 2025 Ludovic Ferrandis; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3364172 1012721 digits May 2021 Marc Wiseler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7005
max n: 2.373.017
n = 1 5 digits
n = 3 5 digits
n = 6 6 digits
n = 13 8 digits
n = 18 10 digits
n = 42 17 digits
n = 67 25 digits
n = 72 26 digits
n = 87 31 digits
n = 114 39 digits
n = 123 41 digits
n = 126 42 digits
n = 216 69 digits
n = 333 105 digits
n = 523 162 digits
n = 643 198 digits
n = 831 255 digits
n = 1197 365 digits
n = 2161 655 digits
n = 2461 745 digits
n = 3373 1020 digits 1993 Jeffrey Young
n = 6153 1857 digits
n = 10093 3043 digits
n = 11166 3366 digits
n = 11473 3458 digits
n = 24291 7317 digits
n = 24547 7394 digits
n = 24723 7447 digits
n = 28141 8476 digits
n = 31743 9560 digits
n = 42601 12829 digits
n = 62794 18907 digits
n = 164181 49428 digits
n = 216331 65126 digits
n = 293611 88390 digits
n = 348607 104946 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 374086 112615 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 400894 120685 digits Jul 2012 Brook Harste; PPSE; PrimeGrid
n = 410487 123573 digits Sep 2012 Bart Kus; PPSE; PrimeGrid
n = 444117 133697 digits Dec 2012 Oleksandr Vynogradov; PPSE; PrimeGrid
n = 580654 174799 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 722707 217561 digits Nov 2011 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 808861 243496 digits Mar 2012 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 1699551 511620 digits Jun 2022 Richard H Taylor; PPSE; PrimeGrid
k: 7007
max n: 2.373.018
n = 7 6 digits
n = 11 8 digits
n = 15 9 digits
n = 23 11 digits
n = 47 18 digits
n = 91 32 digits
n = 487 151 digits
n = 1591 483 digits
n = 2875 870 digits
n = 4515 1363 digits 1993 Jeffrey Young
n = 5811 1754 digits
n = 8815 2658 digits
n = 17935 5403 digits
n = 71479 21522 digits
n = 176115 53020 digits
n = 203575 61287 digits
n = 212403 63944 digits
n = 322127 96974 digits
n = 462219 139146 digits Jul 2009 Rodger M. Ewing; srsieve; PrimeGrid; LLR
n = 709055 213451 digits Sep 2011 Arjan Thomas; PSieve; srsieve; PrimeGrid; LLR
k: 7009
max n: 2.373.337
n = 10 7 digits
n = 386 121 digits
n = 2130 646 digits
n = 2302 697 digits
n = 2530 766 digits
n = 4830 1458 digits 1993 Jeffrey Young
n = 8350 2518 digits
n = 42290 12735 digits
n = 200646 60405 digits Feb 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 1341478 403829 digits Jun 2015 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1706510 513715 digits Aug 2022 PPSE; PrimeGrid
n = 1857138 559059 digits Feb 2024 Ivica Kelava; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1880058 565958 digits Feb 2024 Jan Kožíšek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7011
max n: 2.372.704
n = 8 7 digits
n = 19 10 digits
n = 39 16 digits
n = 67 25 digits
n = 79 28 digits
n = 121 41 digits
n = 131 44 digits
n = 149 49 digits
n = 175 57 digits
n = 189 61 digits
n = 204 66 digits
n = 277 88 digits
n = 287 91 digits
n = 305 96 digits
n = 329 103 digits
n = 569 176 digits
n = 588 181 digits
n = 1044 319 digits
n = 1664 505 digits
n = 1739 528 digits
n = 2029 615 digits
n = 2091 634 digits
n = 2211 670 digits
n = 2324 704 digits
n = 2600 787 digits
n = 2915 882 digits
n = 3119 943 digits
n = 4428 1337 digits 1993 Jeffrey Young
n = 5879 1774 digits
n = 7635 2303 digits
n = 8775 2646 digits
n = 9659 2912 digits
n = 23991 7226 digits
n = 26351 7937 digits
n = 32315 9732 digits
n = 38780 11678 digits
n = 50009 15059 digits May 1999 Tadashi Taura; Proth
n = 58079 17488 digits
n = 73625 22168 digits
n = 79761 24015 digits
n = 87792 26432 digits
n = 100419 30233 digits
n = 131379 39553 digits
n = 163640 49265 digits
n = 228852 68896 digits
n = 244381 73570 digits
n = 278541 83854 digits
n = 286169 86150 digits
n = 294551 88673 digits
n = 322731 97156 digits
n = 616199 185499 digits Jan 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 844807 254317 digits Apr 2012 Paul Lantinga; PSieve; srsieve; PrimeGrid; LLR
n = 1007155 303188 digits Oct 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1111439 334581 digits Jul 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1232784 371109 digits Jan 2014 Heinz Durstewitz; PSieve; srsieve; PrimeGrid; LLR
n = 1473341 443524 digits Feb 2018 Bob Calvin; PSieve; srsieve; PrimeGrid; LLR
n = 1934941 582480 digits Apr 2024 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2031499 611546 digits Dec 2024 Pietari Snow; PPSE; PrimeGrid
n = 2169761 653167 digits Feb 2025 Christian Guilleminot; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7013
max n: 2.373.376
n = 126113 37968 digits Aug 1997 Jeffrey Young
n = 338921 102030 digits Dec 2006 Jon Goral; PPSE; PrimeGrid
k: 7015
max n: 2.373.009
n = 4 6 digits
n = 24 12 digits
n = 34 15 digits
n = 36 15 digits
n = 44 18 digits
n = 54 21 digits
n = 66 24 digits
n = 90 31 digits
n = 94 33 digits
n = 124 42 digits
n = 164 54 digits
n = 180 59 digits
n = 218 70 digits
n = 224 72 digits
n = 256 81 digits
n = 286 90 digits
n = 334 105 digits
n = 376 118 digits
n = 506 157 digits
n = 720 221 digits
n = 746 229 digits
n = 1124 343 digits
n = 1860 564 digits
n = 2104 638 digits
n = 2610 790 digits
n = 2994 906 digits
n = 4170 1260 digits 1993 Jeffrey Young
n = 4536 1370 digits 1993 Jeffrey Young
n = 8976 2706 digits
n = 12464 3756 digits
n = 16314 4915 digits
n = 22294 6716 digits
n = 24010 7232 digits
n = 38646 11638 digits
n = 38798 11684 digits
n = 46496 14001 digits
n = 153964 46352 digits
n = 292814 88150 digits
n = 295344 88912 digits Oct 2004 Joel Hopper; NewPGen; PRP; Proth
n = 613836 184787 digits Jan 2011 Eric Ueda; PSieve; srsieve; PrimeGrid; LLR
n = 1179244 354992 digits Oct 2013 Carlos Loureiro; PSieve; srsieve; PrimeGrid; LLR
n = 1633950 491872 digits Feb 2021 JanPeter Fischer; PSieve; srsieve; PrimeGrid; LLR
n = 2163566 651303 digits Feb 2025 Detlef Lexut; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2351086 707752 digits Mar 2026 Adrian Baker; PPSE; PrimeGrid
k: 7017
max n: 2.372.066
n = 2 5 digits
n = 11 8 digits
n = 63 23 digits
n = 143 47 digits
n = 459 143 digits
n = 594 183 digits
n = 5087 1536 digits
n = 9042 2726 digits
n = 10944 3299 digits
n = 29711 8948 digits
n = 41319 12443 digits
n = 74562 22450 digits
n = 98991 29804 digits
n = 171186 51536 digits
n = 248076 74683 digits
n = 812331 244540 digits Mar 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1624547 489042 digits Feb 2021 Roman Strajt; PSieve; srsieve; PrimeGrid; LLR
k: 7019
max n: 2.373.457
n = 13 8 digits
n = 33 14 digits
n = 43 17 digits
n = 69 25 digits
n = 73 26 digits
n = 163 53 digits
n = 513 159 digits
n = 657 202 digits
n = 769 236 digits
n = 1369 416 digits
n = 1857 563 digits
n = 2533 767 digits
n = 4681 1413 digits 1993 Jeffrey Young
n = 4741 1432 digits 1993 Jeffrey Young
n = 22593 6806 digits
n = 33957 10226 digits
n = 85557 25760 digits
n = 338083 101777 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 392617 118194 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 446697 134474 digits Jan 2013 Gary Craig; PPSE; PrimeGrid
k: 7021
max n: 2.372.159
n = 4 6 digits
n = 8 7 digits
n = 48 19 digits
n = 72 26 digits
n = 148 49 digits
n = 180 59 digits
n = 204 66 digits
n = 328 103 digits
n = 664 204 digits
n = 1148 350 digits
n = 1528 464 digits
n = 5568 1680 digits
n = 6424 1938 digits
n = 8052 2428 digits
n = 9960 3003 digits
n = 10420 3141 digits
n = 11264 3395 digits May 1996 Patrick Demichel
n = 12928 3896 digits
n = 20520 6181 digits
n = 26204 7893 digits
n = 93072 28022 digits
n = 150352 45265 digits
n = 442160 133108 digits Dec 2012 Oleksandr Vynogradov; PPSE; PrimeGrid
n = 450372 135580 digits Apr 2009 Kevin Tatterson; srsieve; PrimeGrid; LLR
n = 1927088 580116 digits Mar 2024 Jerry Lin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3362208 1012130 digits Apr 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7023
max n: 2.372.383
n = 5 6 digits
n = 6 6 digits
n = 9 7 digits
n = 13 8 digits
n = 16 9 digits
n = 17 9 digits
n = 24 12 digits
n = 64 24 digits
n = 68 25 digits
n = 70 25 digits
n = 72 26 digits
n = 78 28 digits
n = 106 36 digits
n = 124 42 digits
n = 149 49 digits
n = 186 60 digits
n = 224 72 digits
n = 420 131 digits
n = 453 141 digits
n = 533 165 digits
n = 574 177 digits
n = 625 192 digits
n = 960 293 digits
n = 994 304 digits
n = 1136 346 digits
n = 1153 351 digits
n = 1157 353 digits
n = 1412 429 digits
n = 1513 460 digits
n = 1817 551 digits
n = 2489 754 digits
n = 3406 1030 digits 1993 Jeffrey Young
n = 3480 1052 digits 1993 Jeffrey Young
n = 6046 1824 digits
n = 6565 1981 digits
n = 9356 2821 digits
n = 9414 2838 digits
n = 12762 3846 digits
n = 32213 9701 digits
n = 38505 11596 digits
n = 61253 18443 digits
n = 70128 21115 digits
n = 87730 26414 digits
n = 107158 32262 digits
n = 155088 46690 digits
n = 156397 47085 digits
n = 173044 52096 digits
n = 226569 68208 digits
n = 396917 119488 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 456646 137468 digits May 2009 Alan J Hidy; srsieve; PrimeGrid; LLR
n = 472858 142349 digits Oct 2009 Jeff Webster; srsieve; PrimeGrid; LLR
n = 619229 186411 digits Feb 2011 Ben Rhodes; PSieve; srsieve; PrimeGrid; LLR
n = 1759377 529630 digits Aug 2023 Jürgen Heinrich; PPSE; PrimeGrid
n = 2002302 602757 digits Oct 2024 Samuel Williams ; PPSE; PrimeGrid
k: 7025
max n: 2.372.814
n = 1 5 digits
n = 11 8 digits
n = 19 10 digits
n = 61 23 digits
n = 65 24 digits
n = 71 26 digits
n = 107 37 digits
n = 211 68 digits
n = 231 74 digits
n = 341 107 digits
n = 361 113 digits
n = 527 163 digits
n = 701 215 digits
n = 721 221 digits
n = 853 261 digits
n = 1023 312 digits
n = 2371 718 digits
n = 2459 745 digits
n = 2885 873 digits
n = 4249 1283 digits 1993 Jeffrey Young
n = 4851 1465 digits 1993 Jeffrey Young
n = 9515 2869 digits
n = 11571 3488 digits
n = 12809 3860 digits
n = 13691 4126 digits
n = 19339 5826 digits
n = 37469 11284 digits
n = 44427 13378 digits
n = 44539 13412 digits
n = 54397 16379 digits
n = 61541 18530 digits
n = 97225 29272 digits
n = 116071 34945 digits
n = 220141 66273 digits
n = 357005 107474 digits May 2012 David Yost; PPSE; PrimeGrid
n = 856685 257892 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1507603 453838 digits Dec 2018 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 1897923 571336 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7027
max n: 2.373.079
n = 2 5 digits
n = 8 7 digits
n = 14 9 digits
n = 44 18 digits
n = 98 34 digits
n = 184 60 digits
n = 274 87 digits
n = 560 173 digits
n = 1508 458 digits
n = 3304 999 digits
n = 4160 1257 digits 1993 Jeffrey Young
n = 4382 1323 digits 1993 Jeffrey Young
n = 4480 1353 digits 1993 Jeffrey Young
n = 10220 3081 digits
n = 15548 4685 digits
n = 21992 6625 digits
n = 24064 7248 digits
n = 35522 10698 digits
n = 41420 12473 digits
n = 41896 12616 digits
n = 48392 14572 digits
n = 51464 15497 digits
n = 88732 26715 digits
n = 99520 29963 digits
n = 223732 67354 digits
n = 328030 98751 digits
n = 567080 170712 digits Nov 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 721870 217309 digits Nov 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 845956 254662 digits Apr 2012 Timothy Winkler; PSieve; srsieve; PrimeGrid; LLR
n = 2238896 673979 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7029
max n: 2.372.900
n = 5 6 digits
n = 13 8 digits
n = 19 10 digits
n = 23 11 digits
n = 31 14 digits
n = 35 15 digits
n = 53 20 digits
n = 66 24 digits
n = 71 26 digits
n = 133 44 digits
n = 451 140 digits
n = 469 146 digits
n = 530 164 digits
n = 851 261 digits
n = 899 275 digits
n = 1338 407 digits
n = 5223 1577 digits
n = 6021 1817 digits
n = 6413 1935 digits
n = 10219 3081 digits
n = 15371 4631 digits
n = 18295 5512 digits
n = 37271 11224 digits
n = 42771 12880 digits
n = 62795 18908 digits
n = 63930 19249 digits
n = 101863 30668 digits
n = 151266 45540 digits
n = 310830 93574 digits
n = 422123 127076 digits Nov 2012 Bart Kus; PPSE; PrimeGrid
n = 621758 187172 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 2006051 603886 digits Oct 2024 Gregory Bennett; PPSE; PrimeGrid
n = 2188331 658758 digits Feb 2025 David Perek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7031
max n: 2.372.792
n = 3 5 digits
n = 5 6 digits
n = 15 9 digits
n = 93 32 digits
n = 353 111 digits
n = 507 157 digits
n = 669 206 digits
n = 1193 363 digits
n = 1347 410 digits
n = 1877 569 digits
n = 4469 1350 digits 1993 Jeffrey Young
n = 7989 2409 digits
n = 8859 2671 digits
n = 9029 2722 digits
n = 11657 3513 digits
n = 15855 4777 digits
n = 32333 9738 digits
n = 43167 12999 digits
n = 78339 23587 digits
n = 94233 28371 digits
n = 134717 40558 digits
n = 285645 85992 digits
n = 582953 175491 digits Nov 2010 Del S. Brand; PSieve; srsieve; PrimeGrid; LLR
k: 7033
max n: 2.372.735
n = 6 6 digits
n = 10 7 digits
n = 16 9 digits
n = 22 11 digits
n = 42 17 digits
n = 60 22 digits
n = 82 29 digits
n = 96 33 digits
n = 130 43 digits
n = 162 53 digits
n = 252 80 digits
n = 310 98 digits
n = 1492 453 digits
n = 1690 513 digits
n = 1986 602 digits
n = 2206 668 digits
n = 2286 693 digits
n = 3402 1028 digits 1993 Jeffrey Young
n = 4650 1404 digits 1993 Jeffrey Young
n = 19530 5883 digits
n = 30334 9136 digits
n = 43210 13012 digits
n = 67810 20417 digits
n = 458052 137892 digits Jun 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 1359196 409163 digits Sep 2015 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 1756992 528912 digits Aug 2023 Sanghyeok Lee; PPSE; PrimeGrid
n = 1993234 600028 digits Sep 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7035
max n: 2.372.967
n = 1 5 digits
n = 7 6 digits
n = 8 7 digits
n = 13 8 digits
n = 18 10 digits
n = 20 10 digits
n = 22 11 digits
n = 32 14 digits
n = 33 14 digits
n = 48 19 digits
n = 50 19 digits
n = 51 20 digits
n = 72 26 digits
n = 75 27 digits
n = 82 29 digits
n = 85 30 digits
n = 122 41 digits
n = 131 44 digits
n = 150 50 digits
n = 163 53 digits
n = 172 56 digits
n = 195 63 digits
n = 228 73 digits
n = 240 77 digits
n = 268 85 digits
n = 323 102 digits
n = 338 106 digits
n = 483 150 digits
n = 492 152 digits
n = 838 257 digits
n = 890 272 digits
n = 910 278 digits
n = 987 301 digits
n = 1031 315 digits
n = 1095 334 digits
n = 1131 345 digits
n = 1483 451 digits
n = 1995 605 digits
n = 2385 722 digits
n = 2470 748 digits
n = 2507 759 digits
n = 3151 953 digits
n = 3873 1170 digits 1993 Jeffrey Young
n = 5278 1593 digits
n = 6182 1865 digits
n = 8481 2557 digits
n = 11488 3463 digits
n = 17490 5269 digits
n = 23361 7037 digits
n = 32608 9820 digits
n = 35078 10564 digits
n = 35135 10581 digits
n = 39095 11773 digits
n = 50917 15332 digits
n = 51202 15418 digits
n = 57597 17343 digits
n = 71715 21593 digits
n = 90642 27290 digits
n = 96091 28931 digits
n = 124532 37492 digits
n = 192733 58023 digits
n = 211102 63552 digits
n = 213400 64244 digits
n = 378542 113957 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 415911 125206 digits Oct 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 420752 126663 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 607058 182747 digits Jan 2011 Ian Dickinson; PSieve; srsieve; PrimeGrid; LLR
n = 829585 249734 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 895735 269647 digits Jun 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 1017807 306395 digits Oct 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1072638 322901 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1208088 363675 digits Dec 2013 Kevin Kerr; PSieve; srsieve; PrimeGrid; LLR
n = 1391180 418791 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1480107 445561 digits Feb 2018 Bill Cavnaugh; PSieve; srsieve; PrimeGrid; LLR
n = 2017483 607327 digits Dec 2024 Kai Presler; PPSE; PrimeGrid
n = 2232393 672022 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3378141 1016926 digits Sep 2021 Nils Kreth; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7037
max n: 2.372.998
n = 7 6 digits
n = 15 9 digits
n = 23 11 digits
n = 47 18 digits
n = 51 20 digits
n = 59 22 digits
n = 127 43 digits
n = 163 53 digits
n = 175 57 digits
n = 295 93 digits
n = 1631 495 digits
n = 9967 3005 digits
n = 29179 8788 digits
n = 57323 17260 digits
n = 170523 51337 digits
n = 177343 53390 digits
n = 211223 63589 digits
n = 253611 76349 digits
n = 289951 87288 digits
n = 434315 130746 digits Dec 2012 Michael Millerick; PPSE; PrimeGrid
n = 462587 139257 digits Aug 2009 Andrew Barrett; srsieve; PrimeGrid; LLR
n = 568939 171272 digits Nov 2010 John M. Dunn; PSieve; srsieve; PrimeGrid; LLR
n = 780239 234880 digits Feb 2012 Lammert van der Veen; PSieve; srsieve; PrimeGrid; LLR
n = 780903 235080 digits Feb 2012 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 979623 294900 digits Aug 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1261259 379681 digits Apr 2014 Eric Prestemon; PSieve; srsieve; PrimeGrid; LLR
k: 7039
max n: 2.373.417
n = 26 12 digits
n = 58 22 digits
n = 62 23 digits
n = 86 30 digits
n = 354 111 digits
n = 1654 502 digits
n = 4654 1405 digits 1993 Jeffrey Young
n = 112618 33906 digits
n = 144858 43611 digits
n = 158106 47599 digits
n = 320278 96418 digits
n = 334942 100832 digits Apr 2012 Senji Yamashita; PPSE; PrimeGrid
n = 1475594 444202 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 1480098 445558 digits Feb 2018 Rob Gahan; PSieve; srsieve; PrimeGrid; LLR
k: 7041
max n: 2.371.975
n = 1 5 digits
n = 4 6 digits
n = 7 6 digits
n = 13 8 digits
n = 17 9 digits
n = 23 11 digits
n = 28 13 digits
n = 29 13 digits
n = 32 14 digits
n = 47 18 digits
n = 56 21 digits
n = 71 26 digits
n = 89 31 digits
n = 116 39 digits
n = 133 44 digits
n = 151 50 digits
n = 179 58 digits
n = 532 164 digits
n = 539 167 digits
n = 544 168 digits
n = 656 202 digits
n = 812 249 digits
n = 820 251 digits
n = 953 291 digits
n = 971 297 digits
n = 980 299 digits
n = 1100 335 digits
n = 1600 486 digits
n = 1663 505 digits
n = 1861 565 digits
n = 2128 645 digits
n = 2321 703 digits
n = 2711 820 digits
n = 2723 824 digits
n = 4307 1301 digits 1993 Jeffrey Young
n = 6836 2062 digits Mar 1996 Patrick Demichel
n = 7216 2177 digits
n = 13759 4146 digits
n = 17176 5175 digits
n = 24352 7335 digits
n = 28700 8644 digits
n = 40733 12266 digits
n = 42011 12651 digits
n = 97487 29351 digits
n = 99403 29928 digits
n = 107893 32483 digits
n = 111239 33491 digits
n = 119276 35910 digits
n = 269341 81084 digits
n = 309656 93220 digits
n = 317839 95683 digits
n = 454319 136768 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 588121 177046 digits Dec 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 741287 223154 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 817916 246222 digits Apr 2012 Jeff Javens; PSieve; srsieve; PrimeGrid; LLR
n = 1006748 303066 digits Oct 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1111772 334681 digits Jul 2013 Jon Beard; PSieve; srsieve; PrimeGrid; LLR
n = 1128511 339720 digits Aug 2013 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1188277 357711 digits Oct 2013 Dirk Dhuyvetters; PSieve; srsieve; PrimeGrid; LLR
n = 1259284 379087 digits Apr 2014 Victor Vacaretu; PSieve; srsieve; PrimeGrid; LLR
k: 7043
max n: 2.373.152
n = 1 5 digits
n = 9 7 digits
n = 13 8 digits
n = 29 13 digits
n = 81 29 digits
n = 209 67 digits
n = 1429 435 digits
n = 2461 745 digits
n = 3729 1127 digits 1993 Jeffrey Young
n = 8853 2669 digits
n = 9221 2780 digits
n = 19921 6001 digits
n = 30161 9084 digits
n = 495301 149105 digits
n = 1792429 539579 digits Jan 2024 Dr. James Scott Brown; PPSE; PrimeGrid
k: 7045
max n: 2.372.605
n = 2 5 digits
n = 6 6 digits
n = 14 9 digits
n = 30 13 digits
n = 176 57 digits
n = 212 68 digits
n = 230 74 digits
n = 800 245 digits
n = 1268 386 digits
n = 1650 501 digits
n = 1706 518 digits
n = 2402 727 digits
n = 4722 1426 digits 1993 Jeffrey Young
n = 6080 1835 digits
n = 7856 2369 digits
n = 16754 5048 digits
n = 18002 5423 digits
n = 19374 5837 digits
n = 20708 6238 digits
n = 24402 7350 digits May 1998 Baptiste Heyman; Proth
n = 25602 7711 digits
n = 29186 8790 digits
n = 122550 36896 digits
n = 290342 87406 digits
n = 669182 201448 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 979844 294967 digits Aug 2012 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1115270 335734 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1593020 479551 digits Sep 2020 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 7047
max n: 2.373.045
n = 3 5 digits
n = 7 6 digits
n = 10 7 digits
n = 15 9 digits
n = 16 9 digits
n = 22 11 digits
n = 39 16 digits
n = 76 27 digits
n = 84 30 digits
n = 87 31 digits
n = 94 33 digits
n = 127 43 digits
n = 175 57 digits
n = 196 63 digits
n = 216 69 digits
n = 252 80 digits
n = 262 83 digits
n = 271 86 digits
n = 319 100 digits
n = 600 185 digits
n = 619 191 digits
n = 622 192 digits
n = 651 200 digits
n = 826 253 digits
n = 939 287 digits
n = 1054 322 digits
n = 1192 363 digits
n = 1402 426 digits
n = 1599 486 digits
n = 2650 802 digits
n = 3420 1034 digits 1993 Jeffrey Young
n = 5590 1687 digits
n = 6103 1842 digits
n = 6543 1974 digits
n = 7963 2401 digits
n = 8026 2420 digits
n = 12459 3755 digits
n = 15123 4557 digits
n = 19183 5779 digits
n = 22174 6679 digits
n = 139143 41891 digits
n = 155055 46681 digits
n = 196491 59154 digits
n = 238515 71805 digits
n = 426751 128469 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 587803 176951 digits Dec 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 841471 253312 digits Apr 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
n = 1007311 303235 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1094811 329575 digits May 2013 Stan Hebr; PSieve; srsieve; PrimeGrid; LLR
n = 1505475 453197 digits Nov 2018 Margus Sõmer; PSieve; srsieve; PrimeGrid; LLR
n = 1539291 463377 digits May 2019 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 3341482 1005891 digits Dec 2020 István Jónás; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7049
max n: 2.372.912
n = 3 5 digits
n = 5 6 digits
n = 21 11 digits
n = 27 12 digits
n = 105 36 digits
n = 217 70 digits
n = 305 96 digits
n = 1061 324 digits
n = 1353 412 digits
n = 1623 493 digits
n = 2045 620 digits
n = 3131 947 digits
n = 4311 1302 digits 1993 Jeffrey Young
n = 5481 1654 digits
n = 5691 1718 digits
n = 24155 7276 digits
n = 59853 18022 digits
n = 77451 23319 digits
n = 119737 36049 digits
n = 403153 121365 digits Jul 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 754875 227244 digits Feb 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 756197 227642 digits Feb 2012 Yuriy Bogachov; PSieve; srsieve; PrimeGrid; LLR
n = 879731 264830 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 972527 292764 digits Aug 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1163243 350175 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1815015 546378 digits Jan 2024 LeRoy Blanchard; PPSE; PrimeGrid
n = 2112973 636073 digits Jan 2025 Michael Rauh; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7051
max n: 2.372.744
n = 64 24 digits
n = 276 87 digits
n = 996 304 digits
n = 1164 355 digits
n = 3144 951 digits
n = 3816 1153 digits 1993 Jeffrey Young
n = 4684 1414 digits 1993 Jeffrey Young
n = 11288 3402 digits
n = 13948 4203 digits
n = 25292 7618 digits
n = 725528 218410 digits Feb 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1136256 342051 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1400136 421487 digits Mar 2016 Landon Kryger; PSieve; srsieve; PrimeGrid; LLR
n = 1639084 493418 digits May 2021 Tuna Ertemalp; PSieve; srsieve; PrimeGrid; LLR
n = 1785456 537480 digits Dec 2023 Derek Gordon; PPSE; PrimeGrid
k: 7053
max n: 2.372.857
n = 1 5 digits
n = 5 6 digits
n = 17 9 digits
n = 18 10 digits
n = 29 13 digits
n = 33 14 digits
n = 93 32 digits
n = 121 41 digits
n = 132 44 digits
n = 253 81 digits
n = 282 89 digits
n = 738 227 digits
n = 785 241 digits
n = 902 276 digits
n = 1188 362 digits
n = 1692 514 digits
n = 2025 614 digits
n = 2106 638 digits
n = 2553 773 digits
n = 2589 784 digits
n = 2788 844 digits
n = 3449 1043 digits 1993 Jeffrey Young
n = 3600 1088 digits 1993 Jeffrey Young
n = 5182 1564 digits
n = 5428 1638 digits
n = 5666 1710 digits
n = 5946 1794 digits
n = 11357 3423 digits
n = 12169 3668 digits
n = 12569 3788 digits
n = 12969 3908 digits
n = 14657 4417 digits
n = 16536 4982 digits
n = 32385 9753 digits
n = 32758 9865 digits
n = 35745 10765 digits
n = 38880 11708 digits
n = 54382 16375 digits
n = 55648 16756 digits
n = 60780 18301 digits
n = 67569 20345 digits
n = 74338 22382 digits
n = 84549 25456 digits
n = 87618 26380 digits
n = 90706 27310 digits
n = 99300 29897 digits
n = 108700 32726 digits
n = 139121 41884 digits
n = 140597 42328 digits
n = 193785 58339 digits
n = 236989 71345 digits
n = 243008 73157 digits
n = 249492 75109 digits
n = 261278 78657 digits
n = 303766 91447 digits
n = 387749 116728 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 576520 173554 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 780022 234814 digits Feb 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 799241 240600 digits Mar 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1380721 415643 digits Feb 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1686449 507676 digits Apr 2022 Benjamin Lynch; PPSE; PrimeGrid
n = 1723145 518723 digits Dec 2022 Raphaël Gervais Lavoie; PPSE; PrimeGrid
n = 1966958 592118 digits May 2024 Derek Gordon; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2172386 653958 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7055
max n: 2.373.040
n = 17 9 digits
n = 25 12 digits
n = 97 34 digits
n = 131 44 digits
n = 191 62 digits
n = 401 125 digits
n = 437 136 digits
n = 1037 317 digits
n = 1117 341 digits
n = 1549 471 digits
n = 10817 3261 digits
n = 20041 6037 digits
n = 34117 10275 digits
n = 240899 72522 digits
n = 242777 73088 digits
n = 277991 83688 digits
n = 436169 131304 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 568609 171173 digits Nov 2010 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 1143989 344379 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1236229 372146 digits Jan 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 3458909 1041240 digits Feb 2023 Eric Nietering; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7057
max n: 2.372.743
n = 2 5 digits
n = 4 6 digits
n = 10 7 digits
n = 14 9 digits
n = 22 11 digits
n = 44 18 digits
n = 52 20 digits
n = 82 29 digits
n = 104 36 digits
n = 142 47 digits
n = 270 86 digits
n = 322 101 digits
n = 370 116 digits
n = 442 137 digits
n = 648 199 digits
n = 2732 827 digits
n = 2800 847 digits
n = 3658 1106 digits 1993 Jeffrey Young
n = 4060 1227 digits 1993 Jeffrey Young
n = 4770 1440 digits 1993 Jeffrey Young
n = 9828 2963 digits
n = 11910 3590 digits
n = 14270 4300 digits
n = 15712 4734 digits
n = 29350 8840 digits
n = 29638 8926 digits
n = 78750 23710 digits
n = 88852 26751 digits
n = 106358 32021 digits
n = 621022 186951 digits Feb 2011 Bob Hurd; PSieve; srsieve; PrimeGrid; LLR
n = 811988 244437 digits Mar 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1055578 317765 digits May 2013 Philip Poon; PSieve; srsieve; PrimeGrid; LLR
n = 1261444 379737 digits May 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 7059
max n: 2.372.752
n = 3 5 digits
n = 5 6 digits
n = 9 7 digits
n = 11 8 digits
n = 23 11 digits
n = 27 12 digits
n = 89 31 digits
n = 110 37 digits
n = 111 38 digits
n = 191 62 digits
n = 206 66 digits
n = 269 85 digits
n = 279 88 digits
n = 281 89 digits
n = 297 94 digits
n = 854 261 digits
n = 1190 363 digits
n = 2478 750 digits
n = 3443 1041 digits 1993 Jeffrey Young
n = 3447 1042 digits 1993 Jeffrey Young
n = 4550 1374 digits 1993 Jeffrey Young
n = 4769 1440 digits 1993 Jeffrey Young
n = 5219 1575 digits
n = 6249 1885 digits
n = 9381 2828 digits
n = 17201 5182 digits
n = 20165 6075 digits
n = 21638 6518 digits Oct 1996 Patrick Demichel
n = 28565 8603 digits
n = 45813 13795 digits
n = 47430 14282 digits
n = 52958 15946 digits
n = 56054 16878 digits
n = 61998 18668 digits
n = 94230 28370 digits
n = 97523 29362 digits
n = 131981 39735 digits
n = 132246 39814 digits
n = 146037 43966 digits
n = 149286 44944 digits
n = 150453 45295 digits
n = 174933 52664 digits
n = 328073 98764 digits
n = 509763 153458 digits May 2010 Daishin Ueyama; PSieve; srsieve; PrimeGrid; LLR
n = 560814 168826 digits Oct 2010 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 777473 234047 digits Feb 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 833045 250776 digits Apr 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1974659 594436 digits Jun 2024 Riley Fisher; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7061
max n: 2.372.238
n = 3 5 digits
n = 21 11 digits
n = 27 12 digits
n = 39 16 digits
n = 49 19 digits
n = 51 20 digits
n = 61 23 digits
n = 129 43 digits
n = 367 115 digits
n = 417 130 digits
n = 439 137 digits
n = 721 221 digits
n = 1165 355 digits
n = 1339 407 digits
n = 2301 697 digits
n = 3405 1029 digits 1993 Jeffrey Young
n = 3799 1148 digits 1993 Jeffrey Young
n = 4923 1486 digits 1993 Jeffrey Young
n = 6181 1865 digits
n = 6571 1982 digits
n = 15903 4792 digits
n = 65979 19866 digits
n = 83359 25098 digits
n = 116941 35207 digits
n = 142387 42867 digits
n = 204307 61507 digits
n = 278017 83696 digits
n = 290211 87367 digits
n = 293569 88377 digits
n = 309409 93146 digits
n = 588853 177267 digits Dec 2010 Glen Martin; PSieve; srsieve; PrimeGrid; LLR
n = 720517 216902 digits Nov 2011 Mark Doom; PSieve; srsieve; PrimeGrid; LLR
n = 859137 258630 digits May 2012 Kennichi Uehara; PSieve; srsieve; PrimeGrid; LLR
n = 959461 288831 digits Aug 2012 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
n = 1320231 397433 digits Mar 2015 Takashi Iwasaki; PSieve; srsieve; PrimeGrid; LLR
n = 2059923 620103 digits Jan 2025 Ryan Becker; PPSE; PrimeGrid
n = 2181571 656723 digits Feb 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2187051 658372 digits Feb 2025 Eric Lagueuniere; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7063
max n: 2.372.675
n = 6 6 digits
n = 12 8 digits
n = 22 11 digits
n = 26 12 digits
n = 36 15 digits
n = 48 19 digits
n = 98 34 digits
n = 198 64 digits
n = 226 72 digits
n = 248 79 digits
n = 306 96 digits
n = 550 170 digits
n = 872 267 digits
n = 986 301 digits
n = 2254 683 digits
n = 2422 733 digits
n = 2856 864 digits
n = 4634 1399 digits 1993 Jeffrey Young
n = 5226 1578 digits
n = 7068 2132 digits
n = 30288 9122 digits
n = 34712 10454 digits
n = 43258 13026 digits
n = 44094 13278 digits
n = 54310 16353 digits
n = 59298 17855 digits
n = 84802 25532 digits
n = 86994 26192 digits
n = 103968 31302 digits
n = 170184 51235 digits
n = 170322 51276 digits
n = 187826 56546 digits
n = 188190 56655 digits
n = 321792 96873 digits
n = 369658 111282 digits May 2012 Michael Becker; PPSE; PrimeGrid
n = 460934 138759 digits Jul 2009 Robert M Weis; srsieve; PrimeGrid; LLR
n = 753862 226939 digits Feb 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 812852 244697 digits Mar 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1012652 304843 digits Oct 2012 H.J. Laqua; PSieve; srsieve; PrimeGrid; LLR
n = 1238138 372721 digits Jan 2014 Klaus Olszowi; PSieve; srsieve; PrimeGrid; LLR
n = 1630022 490690 digits Feb 2021 Bryan Little; PSieve; srsieve; PrimeGrid; LLR
n = 1829490 550736 digits Jan 2024 Ricky L Hubbard; PPSE; PrimeGrid
n = 1872888 563800 digits Feb 2024 Eli Weiss; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3406122 1025349 digits Feb 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7065
max n: 2.372.515
n = 4 6 digits
n = 6 6 digits
n = 9 7 digits
n = 11 8 digits
n = 12 8 digits
n = 20 10 digits
n = 26 12 digits
n = 39 16 digits
n = 42 17 digits
n = 48 19 digits
n = 66 24 digits
n = 93 32 digits
n = 96 33 digits
n = 128 43 digits
n = 155 51 digits
n = 192 62 digits
n = 200 65 digits
n = 219 70 digits
n = 226 72 digits
n = 249 79 digits
n = 366 115 digits
n = 381 119 digits
n = 388 121 digits
n = 600 185 digits
n = 643 198 digits
n = 693 213 digits
n = 1001 306 digits
n = 1098 335 digits
n = 1192 363 digits
n = 1593 484 digits
n = 2218 672 digits
n = 2463 746 digits
n = 2632 797 digits
n = 3726 1126 digits 1993 Jeffrey Young
n = 3816 1153 digits 1993 Jeffrey Young
n = 3944 1192 digits 1993 Jeffrey Young
n = 4013 1212 digits 1993 Jeffrey Young
n = 5083 1534 digits
n = 5172 1561 digits
n = 5202 1570 digits
n = 5779 1744 digits
n = 6399 1931 digits
n = 12202 3678 digits
n = 13131 3957 digits May 1997 Chris Caldwell; Dubner Cruncher
n = 17311 5215 digits
n = 20692 6233 digits
n = 24528 7388 digits
n = 27562 8301 digits
n = 59304 17857 digits May 1999 Tadashi Taura; Proth
n = 63993 19268 digits
n = 106312 32007 digits
n = 107779 32449 digits
n = 114048 34336 digits
n = 119103 35858 digits
n = 124456 37469 digits
n = 147719 44472 digits
n = 172533 51942 digits
n = 192354 57909 digits
n = 216921 65304 digits
n = 271528 81742 digits
n = 285401 85919 digits
n = 341028 102664 digits Apr 2012 Mark Doom; PPSE; PrimeGrid
n = 352899 106238 digits May 2012 PPSE; PrimeGrid
n = 353544 106432 digits May 2012 PPSE; PrimeGrid
n = 359814 108319 digits May 2012 PPSE; PrimeGrid
n = 390701 117617 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 405246 121996 digits Aug 2012 PPSE; PrimeGrid
n = 407918 122800 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 411274 123810 digits Sep 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 436852 131510 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 543832 163714 digits Aug 2010 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 569873 171553 digits Nov 2010 Nick Schradick; PSieve; srsieve; PrimeGrid; LLR
n = 580710 174815 digits Nov 2010 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 588504 177162 digits Dec 2010 Rick Reynolds; PSieve; srsieve; PrimeGrid; LLR
n = 788248 237291 digits Mar 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 861909 259465 digits May 2012 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 1001355 301442 digits Sep 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1147620 345472 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1306222 393216 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1695129 510289 digits May 2022 Frank Meador; PPSE; PrimeGrid
n = 2140649 644404 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2175198 654804 digits Feb 2025 Martin Neujahr; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7067
max n: 2.373.463
n = 7 6 digits
n = 19 10 digits
n = 179 58 digits
n = 287 91 digits
n = 583 180 digits
n = 683 210 digits
n = 3107 940 digits
n = 15287 4606 digits
n = 17839 5374 digits
n = 21703 6538 digits
n = 22883 6893 digits
n = 301543 90778 digits
n = 553679 166678 digits Oct 2010 James P. Burt; PSieve; srsieve; PrimeGrid; LLR
n = 1882747 566768 digits Feb 2024 Lorin Arnold; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2139503 644059 digits Jan 2025 Thorsten Sambale; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3384667 1018891 digits Nov 2021 Serge Batalov; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7069
max n: 2.373.153
n = 2 5 digits
n = 14 9 digits
n = 86 30 digits
n = 346 109 digits
n = 470 146 digits
n = 1094 334 digits
n = 2486 753 digits
n = 8302 2504 digits
n = 12494 3765 digits
n = 13522 4075 digits
n = 17290 5209 digits
n = 41722 12564 digits
n = 49846 15009 digits
n = 140026 42156 digits
n = 201566 60682 digits
n = 227306 68430 digits
n = 246550 74223 digits
n = 345134 103900 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 489442 147341 digits Feb 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 739790 222703 digits Mar 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1049854 316042 digits Feb 2013 Melody Reifschneider; PSieve; srsieve; PrimeGrid; LLR
n = 1715314 516365 digits Oct 2022 Giles Averay-Jones; PPSE; PrimeGrid
n = 2237086 673434 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7071
max n: 2.372.710
n = 1 5 digits
n = 3 5 digits
n = 21 11 digits
n = 25 12 digits
n = 27 12 digits
n = 28 13 digits
n = 43 17 digits
n = 44 18 digits
n = 53 20 digits
n = 63 23 digits
n = 91 32 digits
n = 115 39 digits
n = 253 81 digits
n = 265 84 digits
n = 347 109 digits
n = 351 110 digits
n = 380 119 digits
n = 381 119 digits
n = 423 132 digits
n = 555 171 digits
n = 575 177 digits
n = 665 205 digits
n = 681 209 digits
n = 743 228 digits
n = 935 286 digits
n = 1037 317 digits
n = 1091 333 digits
n = 1877 569 digits
n = 2092 634 digits
n = 8591 2590 digits May 1996 Patrick Demichel
n = 12221 3683 digits
n = 12980 3912 digits
n = 13195 3976 digits
n = 16305 4913 digits
n = 21507 6479 digits
n = 23276 7011 digits
n = 26295 7920 digits
n = 30383 9151 digits
n = 38415 11568 digits
n = 46291 13939 digits
n = 52803 15900 digits
n = 68803 20716 digits
n = 78373 23597 digits
n = 86997 26193 digits
n = 98651 29701 digits
n = 110561 33287 digits
n = 113747 34246 digits
n = 202517 60968 digits
n = 345145 103903 digits Apr 2012 Bruce Dodson; PPSE; PrimeGrid
n = 416385 125349 digits Oct 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 421577 126912 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 426572 128415 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 473321 142488 digits Oct 2009 Andreas Adolfsson; srsieve; PrimeGrid; LLR
n = 776871 233866 digits Feb 2012 Rene Schick; PSieve; srsieve; PrimeGrid; LLR
n = 1321231 397735 digits Mar 2015 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1415591 426140 digits Jul 2016 Michele T. Mazzucato; PSieve; srsieve; PrimeGrid; LLR
n = 1810537 545030 digits Jan 2024 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2154268 648504 digits Feb 2025 Robert Heindl; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7073
max n: 2.373.429
n = 5 6 digits
n = 17 9 digits
n = 21 11 digits
n = 53 20 digits
n = 77 28 digits
n = 129 43 digits
n = 161 53 digits
n = 345 108 digits
n = 401 125 digits
n = 1017 310 digits
n = 1125 343 digits
n = 3569 1079 digits 1993 Jeffrey Young
n = 6753 2037 digits Mar 1996 Patrick Demichel
n = 16005 4822 digits
n = 22517 6783 digits
n = 71861 21637 digits
n = 108545 32680 digits
n = 111785 33655 digits
n = 1150613 346373 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1476053 444341 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
k: 7075
max n: 2.373.298
n = 22 11 digits
n = 30 13 digits
n = 36 15 digits
n = 48 19 digits
n = 676 208 digits
n = 910 278 digits
n = 4198 1268 digits 1993 Jeffrey Young
n = 4506 1361 digits 1993 Jeffrey Young
n = 11322 3413 digits
n = 24898 7499 digits
n = 101478 30552 digits
n = 1547656 465895 digits Oct 2019 Pawel Jedrzejczyk; PSieve; srsieve; PrimeGrid; LLR
n = 1787730 538165 digits Dec 2023 ZinSig Kim; PPSE; PrimeGrid
n = 2067630 622423 digits Jan 2025 John Natividad; PPSE; PrimeGrid
k: 7077
max n: 2.372.711
n = 2 5 digits
n = 4 6 digits
n = 18 10 digits
n = 26 12 digits
n = 31 14 digits
n = 32 14 digits
n = 38 16 digits
n = 58 22 digits
n = 64 24 digits
n = 84 30 digits
n = 92 32 digits
n = 134 45 digits
n = 164 54 digits
n = 188 61 digits
n = 351 110 digits
n = 368 115 digits
n = 698 214 digits
n = 852 261 digits
n = 931 285 digits
n = 992 303 digits
n = 1088 332 digits
n = 1379 419 digits
n = 1667 506 digits
n = 1786 542 digits
n = 2034 617 digits
n = 2048 621 digits
n = 2207 669 digits
n = 2727 825 digits
n = 2762 836 digits
n = 3027 916 digits
n = 3170 959 digits
n = 3188 964 digits
n = 5799 1750 digits
n = 14759 4447 digits
n = 15228 4588 digits
n = 16568 4992 digits
n = 17588 5299 digits
n = 24979 7524 digits
n = 25220 7596 digits
n = 26984 8127 digits
n = 28820 8680 digits
n = 33327 10037 digits
n = 33971 10231 digits
n = 52888 15925 digits
n = 56246 16936 digits
n = 62522 18825 digits
n = 69795 21015 digits
n = 83748 25215 digits
n = 138412 41671 digits
n = 153050 46077 digits
n = 155540 46827 digits
n = 284054 85513 digits
n = 368492 110931 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 432828 130299 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 491234 147881 digits Feb 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 639120 192399 digits Feb 2011 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 798187 240283 digits Mar 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 824127 248091 digits Apr 2012 Sławomir Jagsz; PSieve; srsieve; PrimeGrid; LLR
n = 829760 249787 digits Apr 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 914082 275170 digits Jun 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1038834 312725 digits Jan 2013 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1161787 349737 digits Sep 2013 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1204646 362639 digits Dec 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 2033942 612282 digits Dec 2024 LeRoy Blanchard; PPSE; PrimeGrid
n = 2283115 687290 digits Jun 2025 Chase Tarson; PPSE; PrimeGrid
k: 7079
max n: 2.372.832
n = 1 5 digits
n = 3 5 digits
n = 21 11 digits
n = 29 13 digits
n = 75 27 digits
n = 135 45 digits
n = 471 146 digits
n = 529 164 digits
n = 713 219 digits
n = 783 240 digits
n = 1237 377 digits
n = 1523 463 digits
n = 2029 615 digits
n = 2421 733 digits
n = 4885 1475 digits 1993 Jeffrey Young
n = 5593 1688 digits
n = 7059 2129 digits
n = 8861 2672 digits
n = 16209 4884 digits
n = 17085 5147 digits
n = 20183 6080 digits
n = 47901 14424 digits
n = 63277 19053 digits
n = 301969 90906 digits
n = 444577 133835 digits Dec 2012 Pietari Snow; PPSE; PrimeGrid
n = 644801 194109 digits Feb 2011 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 2064753 621557 digits Jan 2025 LeRoy Blanchard; PPSE; PrimeGrid
n = 3452367 1039270 digits Feb 2023 Vladislav Ketamino; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7081
max n: 2.372.983
n = 24 12 digits
n = 60 22 digits
n = 100 34 digits
n = 516 160 digits
n = 1396 425 digits
n = 1424 433 digits
n = 4860 1467 digits 1993 Jeffrey Young
n = 14120 4255 digits
n = 14984 4515 digits
n = 25980 7825 digits
n = 45144 13594 digits
n = 65964 19861 digits
n = 1069684 322011 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1235808 372020 digits Jan 2014 Eric Prestemon; PSieve; srsieve; PrimeGrid; LLR
n = 2137320 643402 digits
k: 7083
max n: 2.372.608
n = 4 6 digits
n = 5 6 digits
n = 13 8 digits
n = 28 13 digits
n = 29 13 digits
n = 68 25 digits
n = 82 29 digits
n = 98 34 digits
n = 205 66 digits
n = 265 84 digits
n = 409 127 digits
n = 509 158 digits
n = 874 267 digits
n = 2177 660 digits
n = 7585 2288 digits
n = 10342 3118 digits
n = 11425 3444 digits
n = 13177 3971 digits
n = 37313 11237 digits
n = 41422 12474 digits
n = 52568 15829 digits
n = 55388 16678 digits
n = 58837 17716 digits
n = 95177 28655 digits
n = 214889 64692 digits
n = 284425 85625 digits
n = 545648 164261 digits Sep 2010 Mathias Striecks; PSieve; srsieve; PrimeGrid; LLR
n = 645173 194221 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 664189 199945 digits Apr 2011 Kenneth J. Brazier; PSieve; srsieve; PrimeGrid; LLR
n = 755234 227352 digits Feb 2012 Sander Kõluvere; PSieve; srsieve; PrimeGrid; LLR
n = 802493 241579 digits Mar 2012 Yusup Khadjiyev; PSieve; srsieve; PrimeGrid; LLR
n = 1107188 333301 digits Jul 2013 Naoaki Tokuda; PSieve; srsieve; PrimeGrid; LLR
n = 1218653 366855 digits Dec 2013 Yosuke Kizu; PSieve; srsieve; PrimeGrid; LLR
n = 2272609 684128 digits May 2025 Gerry Michaud; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7085
max n: 2.373.068
n = 3 5 digits
n = 7 6 digits
n = 21 11 digits
n = 39 16 digits
n = 41 17 digits
n = 43 17 digits
n = 99 34 digits
n = 207 67 digits
n = 239 76 digits
n = 273 87 digits
n = 293 93 digits
n = 343 108 digits
n = 349 109 digits
n = 501 155 digits
n = 609 188 digits
n = 867 265 digits
n = 887 271 digits
n = 1503 457 digits
n = 1783 541 digits
n = 2099 636 digits
n = 2247 681 digits
n = 3111 941 digits
n = 3367 1018 digits 1993 Jeffrey Young
n = 5807 1752 digits
n = 6123 1848 digits
n = 9029 2722 digits
n = 23691 7136 digits
n = 73019 21985 digits
n = 84539 25453 digits
n = 87169 26245 digits
n = 150603 45340 digits
n = 386831 116452 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 548527 165127 digits Sep 2010 Mathias Striecks; PSieve; srsieve; PrimeGrid; LLR
n = 997929 300411 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1489083 448263 digits Apr 2018 Jared Brandt; PSieve; srsieve; PrimeGrid; LLR
n = 1864323 561221 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7087
max n: 2.372.983
n = 2 5 digits
n = 6 6 digits
n = 18 10 digits
n = 26 12 digits
n = 38 16 digits
n = 44 18 digits
n = 74 27 digits
n = 80 28 digits
n = 228 73 digits
n = 312 98 digits
n = 470 146 digits
n = 698 214 digits
n = 2244 680 digits
n = 2474 749 digits
n = 2514 761 digits
n = 2522 764 digits
n = 4088 1235 digits 1993 Jeffrey Young
n = 5784 1746 digits
n = 8012 2416 digits
n = 9374 2826 digits
n = 10200 3075 digits
n = 10298 3104 digits
n = 25304 7622 digits
n = 29768 8965 digits
n = 36200 10902 digits
n = 37610 11326 digits
n = 40172 12097 digits
n = 40538 12208 digits
n = 40812 12290 digits
n = 63164 19019 digits
n = 77084 23209 digits
n = 104354 31418 digits
n = 181740 54714 digits
n = 253350 76270 digits
n = 321516 96790 digits
n = 681744 205230 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1029666 309965 digits Oct 2012 Stefan Baumgärtner; PSieve; srsieve; PrimeGrid; LLR
n = 1250288 376379 digits Apr 2014 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2048300 616604 digits Jan 2025 Zack Friedrichsen; PPSE; PrimeGrid
k: 7089
max n: 2.372.886
n = 3 5 digits
n = 7 6 digits
n = 10 7 digits
n = 19 10 digits
n = 25 12 digits
n = 73 26 digits
n = 85 30 digits
n = 114 39 digits
n = 190 62 digits
n = 294 93 digits
n = 363 114 digits
n = 414 129 digits
n = 493 153 digits
n = 913 279 digits
n = 1243 379 digits
n = 1279 389 digits
n = 2979 901 digits
n = 4605 1391 digits 1993 Jeffrey Young
n = 4683 1414 digits 1993 Jeffrey Young
n = 5919 1786 digits
n = 6730 2030 digits
n = 7575 2285 digits
n = 22426 6755 digits
n = 32823 9885 digits
n = 53814 16204 digits
n = 69826 21024 digits
n = 72123 21716 digits
n = 76930 23163 digits
n = 109230 32886 digits
n = 148105 44588 digits
n = 174115 52418 digits
n = 180195 54248 digits
n = 229149 68985 digits
n = 300397 90433 digits
n = 304710 91731 digits
n = 345639 104052 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 452466 136210 digits May 2009 Björn Guth; srsieve; PrimeGrid; LLR
n = 812583 244616 digits Mar 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1309849 394308 digits Feb 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2044710 615523 digits Jan 2025 LeRoy Blanchard; PPSE; PrimeGrid
n = 2080627 626335 digits Jan 2025 Thorsten Sambale; PPSE; PrimeGrid
n = 2336409 703334 digits Jan 2026 Joachim Haberer; PPSE; PrimeGrid
k: 7091
max n: 2.373.425
n = 5 6 digits
n = 9 7 digits
n = 63 23 digits
n = 65 24 digits
n = 69 25 digits
n = 173 56 digits
n = 321 101 digits
n = 393 123 digits
n = 1581 480 digits
n = 2849 862 digits
n = 7615 2297 digits
n = 9175 2766 digits
n = 20685 6231 digits
n = 91613 27583 digits
n = 108189 32572 digits
n = 117705 35437 digits
n = 121725 36647 digits
n = 185925 55973 digits
n = 333041 100260 digits Apr 2012 Olivier Tarnus; PPSE; PrimeGrid
n = 449529 135326 digits Jan 2013 Carlos Loureiro; PPSE; PrimeGrid
n = 462871 139342 digits Jul 2009 Paulo Silva; srsieve; PrimeGrid; LLR
n = 663561 199756 digits Apr 2011 Adrian Schori; PSieve; srsieve; PrimeGrid; LLR
n = 1900281 572046 digits Feb 2024 Jens Katzur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2193849 660419 digits Feb 2025 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7093
max n: 2.372.701
n = 4 6 digits
n = 8 7 digits
n = 12 8 digits
n = 14 9 digits
n = 22 11 digits
n = 60 22 digits
n = 116 39 digits
n = 156 51 digits
n = 172 56 digits
n = 176 57 digits
n = 192 62 digits
n = 416 130 digits
n = 468 145 digits
n = 552 171 digits
n = 728 224 digits
n = 812 249 digits
n = 880 269 digits
n = 1126 343 digits
n = 1172 357 digits
n = 1392 423 digits
n = 1728 525 digits
n = 1784 541 digits
n = 1920 582 digits
n = 2854 863 digits
n = 3070 929 digits
n = 3110 941 digits
n = 3444 1041 digits 1993 Jeffrey Young
n = 4440 1341 digits 1993 Jeffrey Young
n = 4502 1360 digits 1993 Jeffrey Young
n = 8148 2457 digits May 1996 Patrick Demichel
n = 9342 2817 digits
n = 10800 3255 digits
n = 11988 3613 digits
n = 20072 6047 digits
n = 22574 6800 digits
n = 26404 7953 digits
n = 27716 8348 digits
n = 29246 8808 digits
n = 39124 11782 digits
n = 46422 13979 digits
n = 51324 15454 digits
n = 70268 21157 digits
n = 97534 29365 digits
n = 149296 44947 digits
n = 159000 47868 digits
n = 263044 79188 digits
n = 264480 79621 digits
n = 342172 103008 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 476262 143373 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 1288616 387916 digits Aug 2014 Kennichi Uehara; PSieve; srsieve; PrimeGrid; LLR
n = 1582212 476298 digits Jul 2020 Edward McKernan; PSieve; srsieve; PrimeGrid; LLR
n = 1926926 580067 digits Mar 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7095
max n: 2.372.316
n = 10 7 digits
n = 15 9 digits
n = 16 9 digits
n = 17 9 digits
n = 19 10 digits
n = 30 13 digits
n = 37 15 digits
n = 55 21 digits
n = 57 22 digits
n = 76 27 digits
n = 159 52 digits
n = 181 59 digits
n = 190 62 digits
n = 207 67 digits
n = 337 106 digits
n = 605 186 digits
n = 640 197 digits
n = 691 212 digits
n = 767 235 digits
n = 1576 479 digits
n = 1577 479 digits
n = 1692 514 digits
n = 2131 646 digits
n = 8172 2464 digits May 1996 Patrick Demichel
n = 8257 2490 digits
n = 10059 3032 digits
n = 10666 3215 digits
n = 11785 3552 digits
n = 18797 5663 digits
n = 24722 7446 digits
n = 40600 12226 digits
n = 46816 14097 digits
n = 54777 16494 digits
n = 72706 21891 digits
n = 83754 25217 digits
n = 87037 26205 digits
n = 88511 26649 digits
n = 127180 38289 digits
n = 289347 87106 digits
n = 304142 91560 digits
n = 312174 93978 digits
n = 487801 146847 digits Feb 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 564930 170065 digits Oct 2010 Alessandro Puppi; PSieve; srsieve; PrimeGrid; LLR
n = 716707 215755 digits Nov 2011 Milan Štefko; PSieve; srsieve; PrimeGrid; LLR
n = 883599 265994 digits May 2012 Andrew Gockel; PSieve; srsieve; PrimeGrid; LLR
n = 1194811 359678 digits Nov 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1682899 506607 digits Apr 2022 Alessandro Puppi; PPSE; PrimeGrid
n = 1921247 578357 digits Feb 2024 Cédric Latge; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7097
max n: 2.373.270
n = 7 6 digits
n = 283 90 digits
n = 463 144 digits
n = 691 212 digits
n = 1687 512 digits
n = 3655 1105 digits 1993 Jeffrey Young
n = 6031 1820 digits
n = 17995 5421 digits
n = 24487 7376 digits Feb 1999 Baptiste Heyman; Proth
n = 27923 8410 digits
n = 55151 16606 digits
n = 116863 35184 digits
n = 481163 144849 digits Nov 2009 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 619787 186579 digits Feb 2011 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 1078991 324813 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1287007 387432 digits Jul 2014 Philippe Jaillet; PSieve; srsieve; PrimeGrid; LLR
k: 7099
max n: 2.372.985
n = 14 9 digits
n = 26 12 digits
n = 34 15 digits
n = 86 30 digits
n = 502 155 digits
n = 898 275 digits
n = 1930 585 digits
n = 4498 1358 digits 1993 Jeffrey Young
n = 9574 2886 digits
n = 10330 3114 digits
n = 16642 5014 digits
n = 29186 8790 digits
n = 30230 9104 digits
n = 43594 13127 digits
n = 91942 27682 digits
n = 171118 51516 digits
n = 305674 92021 digits
n = 337150 101497 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 814166 245093 digits Mar 2012 Hon Ching Wong; PSieve; srsieve; PrimeGrid; LLR
n = 952466 286725 digits Jul 2012 Sue Maddern; PSieve; srsieve; PrimeGrid; LLR
k: 7101
max n: 2.372.803
n = 3 5 digits
n = 5 6 digits
n = 11 8 digits
n = 17 9 digits
n = 80 28 digits
n = 84 30 digits
n = 89 31 digits
n = 161 53 digits
n = 197 64 digits
n = 513 159 digits
n = 540 167 digits
n = 1097 335 digits
n = 1148 350 digits
n = 1199 365 digits
n = 1379 419 digits
n = 2063 625 digits
n = 2240 679 digits
n = 2525 764 digits
n = 2783 842 digits
n = 2804 848 digits
n = 2832 857 digits
n = 5048 1524 digits
n = 5445 1643 digits
n = 7817 2358 digits
n = 10020 3021 digits
n = 12129 3656 digits
n = 17280 5206 digits
n = 18572 5595 digits
n = 21905 6598 digits
n = 23897 7198 digits
n = 24980 7524 digits
n = 25019 7536 digits
n = 34224 10307 digits
n = 44517 13405 digits
n = 48617 14640 digits
n = 58100 17494 digits
n = 72612 21863 digits
n = 77280 23268 digits
n = 79629 23975 digits
n = 128597 38716 digits
n = 151295 45549 digits
n = 620969 186935 digits Feb 2011 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 705215 212295 digits Sep 2011 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 905213 272501 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1277000 384420 digits Jun 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1495395 450163 digits Jun 2018 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 3328905 1002105 digits Feb 2020 Nicholas Vrontakis; PSieve; srsieve; PrimeGrid; LLR
k: 7103
max n: 2.372.940
n = 1 5 digits
n = 433 135 digits
n = 913 279 digits
n = 1573 478 digits
n = 5785 1746 digits
n = 22237 6698 digits
n = 61297 18457 digits
n = 65545 19735 digits
n = 159565 48038 digits
n = 169813 51123 digits
n = 187873 56560 digits
n = 2270293 683431 digits Apr 2025 Sebastien Deram; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7105
max n: 2.372.877
n = 6 6 digits
n = 22 11 digits
n = 28 13 digits
n = 46 18 digits
n = 94 33 digits
n = 172 56 digits
n = 334 105 digits
n = 374 117 digits
n = 398 124 digits
n = 412 128 digits
n = 788 242 digits
n = 1102 336 digits
n = 1534 466 digits
n = 1966 596 digits
n = 3322 1004 digits 1993 Jeffrey Young
n = 3454 1044 digits 1993 Jeffrey Young
n = 4442 1342 digits 1993 Jeffrey Young
n = 4508 1361 digits 1993 Jeffrey Young
n = 6196 1870 digits
n = 7238 2183 digits
n = 8798 2653 digits
n = 15244 4593 digits
n = 17134 5162 digits
n = 26716 8047 digits
n = 55514 16716 digits
n = 112622 33907 digits
n = 205548 61880 digits
n = 207862 62577 digits
n = 449638 135359 digits Jan 2013 Justin Van Klein; PPSE; PrimeGrid
n = 603942 181809 digits Jan 2011 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
k: 7107
max n: 2.372.545
n = 2 5 digits
n = 3 5 digits
n = 6 6 digits
n = 7 6 digits
n = 8 7 digits
n = 11 8 digits
n = 16 9 digits
n = 19 10 digits
n = 23 11 digits
n = 32 14 digits
n = 38 16 digits
n = 50 19 digits
n = 62 23 digits
n = 72 26 digits
n = 79 28 digits
n = 87 31 digits
n = 107 37 digits
n = 122 41 digits
n = 179 58 digits
n = 192 62 digits
n = 203 65 digits
n = 223 71 digits
n = 251 80 digits
n = 407 127 digits
n = 482 149 digits
n = 507 157 digits
n = 638 196 digits
n = 803 246 digits
n = 1083 330 digits
n = 1368 416 digits
n = 1424 433 digits
n = 1874 568 digits
n = 2523 764 digits
n = 4067 1229 digits 1993 Jeffrey Young
n = 4691 1416 digits 1993 Jeffrey Young
n = 5631 1699 digits
n = 6243 1884 digits
n = 7432 2242 digits
n = 8754 2640 digits
n = 10859 3273 digits
n = 13003 3919 digits
n = 15390 4637 digits
n = 22370 6738 digits
n = 41856 12604 digits
n = 50019 15062 digits
n = 61491 18515 digits
n = 111943 33703 digits
n = 128166 38586 digits
n = 144880 43618 digits
n = 161051 48486 digits
n = 218154 65675 digits
n = 245622 73944 digits
n = 271840 81836 digits
n = 279824 84240 digits
n = 279938 84274 digits
n = 294410 88631 digits
n = 455106 137005 digits May 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 712811 214582 digits Nov 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1151427 346618 digits Sep 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1195843 359989 digits Nov 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1278920 384998 digits Jun 2014 Ian M Gunn; PSieve; srsieve; PrimeGrid; LLR
n = 1449990 436495 digits Jun 2017 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 1817904 547248 digits Jan 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 2196328 661165 digits Feb 2025 Andrew McNary; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2298671 691973 digits Aug 2025 David Perek; PPSE; PrimeGrid
k: 7109
max n: 2.373.453
n = 3 5 digits
n = 5 6 digits
n = 13 8 digits
n = 29 13 digits
n = 45 18 digits
n = 75 27 digits
n = 105 36 digits
n = 161 53 digits
n = 231 74 digits
n = 235 75 digits
n = 363 114 digits
n = 425 132 digits
n = 761 233 digits
n = 1233 376 digits
n = 1529 465 digits
n = 1649 501 digits
n = 2511 760 digits
n = 3565 1078 digits 1993 Jeffrey Young
n = 3603 1089 digits 1993 Jeffrey Young
n = 4309 1301 digits 1993 Jeffrey Young
n = 9099 2743 digits
n = 9703 2925 digits
n = 10181 3069 digits
n = 10653 3211 digits
n = 20005 6026 digits
n = 35835 10792 digits
n = 46023 13859 digits
n = 52395 15777 digits
n = 111391 33536 digits
n = 195051 58721 digits
n = 252389 75981 digits
n = 269479 81126 digits
n = 309305 93114 digits
n = 336405 101272 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 412371 124140 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 444149 133707 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 452139 136112 digits May 2009 Bryan Barnett; srsieve; PrimeGrid; LLR
n = 490743 147733 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1451655 436996 digits Jun 2017 Paul Medcalf; PSieve; srsieve; PrimeGrid; LLR
n = 1651241 497077 digits Jan 2022 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1893381 569969 digits Feb 2024 Mike Doneske; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7111
max n: 2.373.079
n = 4 6 digits
n = 16 9 digits
n = 20 10 digits
n = 40 16 digits
n = 1160 354 digits
n = 1168 356 digits
n = 1808 549 digits
n = 2288 693 digits
n = 2536 768 digits
n = 3652 1104 digits 1993 Jeffrey Young
n = 9784 2950 digits
n = 13984 4214 digits
n = 217312 65422 digits
n = 651200 196035 digits Feb 2011 Takaharu Yamamura; PSieve; srsieve; PrimeGrid; LLR
n = 1508576 454131 digits Dec 2018 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
n = 1520252 457646 digits Feb 2019 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
n = 1701320 512153 digits Jul 2022 Randall Scalise; PPSE; PrimeGrid
n = 1760884 530083 digits Sep 2023 Sanghyeok Lee; PPSE; PrimeGrid
n = 3407452 1025750 digits Feb 2022 Bastian Gauch; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7113
max n: 2.372.709
n = 4 6 digits
n = 6 6 digits
n = 9 7 digits
n = 16 9 digits
n = 49 19 digits
n = 69 25 digits
n = 97 34 digits
n = 132 44 digits
n = 162 53 digits
n = 190 62 digits
n = 225 72 digits
n = 242 77 digits
n = 289 91 digits
n = 322 101 digits
n = 410 128 digits
n = 424 132 digits
n = 429 133 digits
n = 670 206 digits
n = 772 237 digits
n = 865 265 digits
n = 996 304 digits
n = 1016 310 digits
n = 1264 385 digits
n = 1284 391 digits
n = 1293 394 digits
n = 1366 416 digits
n = 1414 430 digits
n = 2049 621 digits
n = 2064 626 digits
n = 2413 731 digits
n = 2442 739 digits
n = 2926 885 digits
n = 3542 1071 digits 1993 Jeffrey Young
n = 4353 1315 digits 1993 Jeffrey Young
n = 5540 1672 digits
n = 5880 1774 digits
n = 6657 2008 digits Mar 1996 Patrick Demichel
n = 7389 2229 digits May 1996 Patrick Demichel
n = 8056 2429 digits
n = 8976 2706 digits
n = 9193 2772 digits
n = 11593 3494 digits
n = 18492 5571 digits
n = 19017 5729 digits
n = 22144 6670 digits
n = 23050 6943 digits
n = 32256 9714 digits
n = 33526 10097 digits
n = 36484 10987 digits
n = 39002 11745 digits
n = 53746 16184 digits
n = 71992 21676 digits
n = 111666 33619 digits
n = 124050 37347 digits
n = 141510 42603 digits
n = 170692 51388 digits
n = 174286 52470 digits
n = 175400 52805 digits
n = 183349 55198 digits
n = 190329 57299 digits
n = 196100 59036 digits
n = 209490 63067 digits
n = 231144 69586 digits
n = 341514 102810 digits Apr 2012 Stefan Larsson; PPSE; PrimeGrid
n = 406393 122341 digits Aug 2012 Brian Carpenter; PPSE; PrimeGrid
n = 535054 161072 digits Jul 2010 Stefan Badura; PSieve; srsieve; PrimeGrid; LLR
n = 592594 178393 digits Dec 2010 Serge Grondin; PSieve; srsieve; PrimeGrid; LLR
n = 676962 203790 digits Aug 2011 Quasar Liao; PSieve; srsieve; PrimeGrid; LLR
n = 731696 220267 digits Feb 2012 Marián Pčolinský; PSieve; srsieve; PrimeGrid; LLR
n = 777769 234136 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 936424 281896 digits Jul 2012 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 1007922 303419 digits Oct 2012 Henryk Jeka; PSieve; srsieve; PrimeGrid; LLR
n = 1126417 339090 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1526034 459386 digits Feb 2019 David Steel; PSieve; srsieve; PrimeGrid; LLR
n = 2127445 640429 digits Jan 2025 Wolfram Glatte; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7115
max n: 2.373.080
n = 3 5 digits
n = 15 9 digits
n = 17 9 digits
n = 23 11 digits
n = 41 17 digits
n = 81 29 digits
n = 143 47 digits
n = 1683 511 digits
n = 1943 589 digits
n = 3441 1040 digits 1993 Jeffrey Young
n = 4601 1389 digits 1993 Jeffrey Young
n = 16331 4920 digits
n = 18761 5652 digits
n = 20603 6206 digits
n = 21683 6532 digits
n = 23043 6941 digits
n = 28353 8539 digits
n = 42531 12807 digits
n = 43491 13096 digits
n = 45257 13628 digits
n = 69363 20885 digits
n = 73217 22045 digits
n = 85473 25734 digits
n = 205307 61808 digits
n = 311961 93914 digits
n = 621593 187122 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1056003 317893 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 7117
max n: 2.372.771
n = 6 6 digits
n = 24 12 digits
n = 30 13 digits
n = 54 21 digits
n = 88 31 digits
n = 144 48 digits
n = 168 55 digits
n = 552 171 digits
n = 1084 331 digits
n = 1242 378 digits
n = 2040 618 digits
n = 2652 803 digits
n = 3294 996 digits
n = 3712 1122 digits 1993 Jeffrey Young
n = 6088 1837 digits
n = 6558 1979 digits
n = 11058 3333 digits
n = 38868 11705 digits
n = 112062 33738 digits
n = 160404 48291 digits
n = 163438 49204 digits
n = 188418 56724 digits
n = 327774 98674 digits
n = 408832 123075 digits Sep 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 453000 136371 digits May 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 477780 143830 digits Oct 2009 Ian Dickinson; srsieve; PrimeGrid; LLR
n = 822084 247476 digits Apr 2012 Chen Hsun Chang; PSieve; srsieve; PrimeGrid; LLR
n = 1032504 310819 digits Jan 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1654020 497914 digits Jan 2022 Jörg Böddener; PSieve; srsieve; PrimeGrid; LLR
k: 7119
max n: 2.372.648
n = 2 5 digits
n = 7 6 digits
n = 10 7 digits
n = 13 8 digits
n = 17 9 digits
n = 21 11 digits
n = 26 12 digits
n = 61 23 digits
n = 67 25 digits
n = 93 32 digits
n = 98 34 digits
n = 133 44 digits
n = 139 46 digits
n = 283 90 digits
n = 333 105 digits
n = 405 126 digits
n = 417 130 digits
n = 425 132 digits
n = 427 133 digits
n = 485 150 digits
n = 923 282 digits
n = 1322 402 digits
n = 2482 752 digits
n = 2501 757 digits
n = 2658 804 digits
n = 3199 967 digits
n = 3581 1082 digits 1993 Jeffrey Young
n = 4797 1448 digits 1993 Jeffrey Young
n = 5649 1705 digits
n = 9945 2998 digits
n = 13567 4088 digits
n = 16121 4857 digits
n = 17201 5182 digits
n = 17771 5354 digits
n = 23809 7172 digits
n = 23843 7182 digits
n = 30189 9092 digits
n = 35709 10754 digits
n = 39153 11791 digits
n = 49569 14926 digits
n = 57106 17195 digits
n = 73171 22031 digits
n = 324645 97732 digits
n = 381509 114850 digits Mar 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 616058 185456 digits Jan 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 647057 194788 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 649313 195467 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 695458 209358 digits Sep 2011 Takeshi Sasahara; PSieve; srsieve; PrimeGrid; LLR
n = 743090 223697 digits Feb 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 744155 224017 digits Feb 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1228866 369930 digits Jan 2014 Masato Furushima; PSieve; srsieve; PrimeGrid; LLR
n = 1438962 433175 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1713619 515855 digits Oct 2022 PPSE; PrimeGrid
n = 2231423 671730 digits Feb 2025 Anthony Roy; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7121
max n: 2.372.786
n = 1 5 digits
n = 5 6 digits
n = 9 7 digits
n = 19 10 digits
n = 21 11 digits
n = 25 12 digits
n = 29 13 digits
n = 35 15 digits
n = 75 27 digits
n = 101 35 digits
n = 121 41 digits
n = 201 65 digits
n = 269 85 digits
n = 401 125 digits
n = 585 180 digits
n = 877 268 digits
n = 997 304 digits
n = 1355 412 digits
n = 1899 576 digits
n = 1981 601 digits
n = 6547 1975 digits
n = 6637 2002 digits
n = 11201 3376 digits
n = 11925 3594 digits
n = 19365 5834 digits
n = 19545 5888 digits
n = 27949 8418 digits
n = 29947 9019 digits
n = 38857 11701 digits
n = 79501 23937 digits
n = 87531 26354 digits
n = 115017 34628 digits
n = 120141 36170 digits
n = 153821 46309 digits
n = 419801 126377 digits Oct 2012 Ronny Willig; PPSE; PrimeGrid
n = 1167461 351445 digits Sep 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1868211 562392 digits Feb 2024 David Åkesson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7123
max n: 2.373.331
n = 2 5 digits
n = 4 6 digits
n = 8 7 digits
n = 18 10 digits
n = 22 11 digits
n = 88 31 digits
n = 102 35 digits
n = 114 39 digits
n = 122 41 digits
n = 174 57 digits
n = 184 60 digits
n = 338 106 digits
n = 644 198 digits
n = 794 243 digits
n = 1494 454 digits
n = 1542 469 digits
n = 2972 899 digits
n = 3278 991 digits
n = 4334 1309 digits 1993 Jeffrey Young
n = 7562 2281 digits
n = 21848 6581 digits
n = 23164 6977 digits
n = 25262 7609 digits
n = 25564 7700 digits
n = 28922 8711 digits
n = 32058 9655 digits
n = 36820 11088 digits
n = 59934 18046 digits
n = 75058 22599 digits
n = 92122 27736 digits
n = 113858 34279 digits
n = 120824 36376 digits
n = 170704 51391 digits
n = 190694 57409 digits
n = 301900 90885 digits
n = 732134 220399 digits Feb 2012 Peter Leschek; PSieve; srsieve; PrimeGrid; LLR
n = 1102462 331878 digits Jul 2013 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
n = 1123144 338104 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 3352180 1009111 digits Feb 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7125
max n: 2.371.959
n = 1 5 digits
n = 4 6 digits
n = 8 7 digits
n = 10 7 digits
n = 14 9 digits
n = 17 9 digits
n = 20 10 digits
n = 29 13 digits
n = 31 14 digits
n = 37 15 digits
n = 38 16 digits
n = 44 18 digits
n = 55 21 digits
n = 70 25 digits
n = 76 27 digits
n = 86 30 digits
n = 94 33 digits
n = 124 42 digits
n = 128 43 digits
n = 148 49 digits
n = 154 51 digits
n = 181 59 digits
n = 193 62 digits
n = 218 70 digits
n = 256 81 digits
n = 314 99 digits
n = 361 113 digits
n = 575 177 digits
n = 889 272 digits
n = 1094 334 digits
n = 1369 416 digits
n = 1711 519 digits
n = 2239 678 digits
n = 2989 904 digits
n = 3196 966 digits
n = 3358 1015 digits 1993 Jeffrey Young
n = 3806 1150 digits 1993 Jeffrey Young
n = 4409 1332 digits 1993 Jeffrey Young
n = 7801 2353 digits
n = 9121 2750 digits
n = 11789 3553 digits
n = 14128 4257 digits
n = 14996 4519 digits
n = 21029 6335 digits
n = 32188 9694 digits
n = 61930 18647 digits
n = 114110 34355 digits
n = 121126 36467 digits
n = 228730 68859 digits
n = 284966 85788 digits
n = 360743 108599 digits Feb 2009 Randy Wilson; srsieve; PrimeGrid; LLR
n = 566306 170479 digits Oct 2010 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 631973 190247 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 822626 247639 digits Apr 2012 Ron Eunson; PSieve; srsieve; PrimeGrid; LLR
n = 964631 290387 digits Aug 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1521928 458150 digits Feb 2019 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 1765567 531493 digits Oct 2023 PPSE; PrimeGrid
n = 1951309 587407 digits Apr 2024 Nicholas Yakubchak; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3432836 1033391 digits Sep 2022 Joshua Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3479509 1047441 digits Aug 2023 Xinle Song; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7127
max n: 2.372.634
n = 15 9 digits
n = 19 10 digits
n = 51 20 digits
n = 99 34 digits
n = 199 64 digits
n = 295 93 digits
n = 387 121 digits
n = 495 153 digits
n = 527 163 digits
n = 1207 368 digits
n = 3307 1000 digits 1993 Jeffrey Young
n = 19399 5844 digits
n = 33171 9990 digits
n = 39767 11975 digits
n = 45731 13771 digits
n = 77639 23376 digits
n = 129071 38859 digits
n = 172143 51825 digits
n = 172975 52075 digits
n = 198187 59665 digits
n = 228523 68797 digits
n = 229355 69047 digits
n = 253007 76167 digits
n = 265747 80002 digits
n = 494943 148997 digits Apr 2010 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 932119 280600 digits Jul 2012 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1031059 310384 digits Dec 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1072303 322800 digits May 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1683447 506772 digits Apr 2022 Robert Lacroix; PPSE; PrimeGrid
n = 1998463 601602 digits Sep 2024 Ward De Ridder; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7129
max n: 2.373.377
n = 2 5 digits
n = 14 9 digits
n = 122 41 digits
n = 4886 1475 digits 1993 Jeffrey Young
n = 18138 5464 digits
n = 96174 28956 digits
n = 154854 46620 digits
n = 165954 49961 digits
n = 443954 133648 digits Dec 2012 Adrian Schori; PPSE; PrimeGrid
n = 1916682 576983 digits Feb 2024 Michael Bowe; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7131
max n: 2.372.835
n = 21 11 digits
n = 64 24 digits
n = 72 26 digits
n = 93 32 digits
n = 99 34 digits
n = 180 59 digits
n = 196 63 digits
n = 429 133 digits
n = 472 146 digits
n = 2125 644 digits
n = 3069 928 digits
n = 4263 1288 digits 1993 Jeffrey Young
n = 6661 2010 digits Mar 1996 Patrick Demichel
n = 12556 3784 digits
n = 18723 5641 digits
n = 23223 6995 digits
n = 50848 15311 digits
n = 195639 58898 digits
n = 250020 75268 digits
n = 264616 79662 digits
n = 295119 88844 digits
n = 327808 98684 digits
n = 344524 103716 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 371691 111894 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 643581 193742 digits Feb 2011 Tom Brodal; PSieve; srsieve; PrimeGrid; LLR
n = 1159696 349108 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1870741 563154 digits Feb 2024 Ian Dickinson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7133
max n: 2.373.457
n = 5 6 digits
n = 9 7 digits
n = 37 15 digits
n = 133 44 digits
n = 153 50 digits
n = 317 100 digits
n = 329 103 digits
n = 2165 656 digits
n = 2997 907 digits
n = 3833 1158 digits 1993 Jeffrey Young
n = 3853 1164 digits 1993 Jeffrey Young
n = 14873 4482 digits
n = 24633 7420 digits
n = 30653 9232 digits
n = 40905 12318 digits
n = 104885 31578 digits
n = 673205 202659 digits Jun 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 960897 289263 digits Aug 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 3406377 1025426 digits Feb 2022 Rene Schick; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7135
max n: 2.372.831
n = 2 5 digits
n = 4 6 digits
n = 6 6 digits
n = 22 11 digits
n = 32 14 digits
n = 72 26 digits
n = 84 30 digits
n = 86 30 digits
n = 102 35 digits
n = 162 53 digits
n = 194 63 digits
n = 252 80 digits
n = 264 84 digits
n = 432 134 digits
n = 1840 558 digits
n = 9094 2742 digits
n = 17076 5145 digits
n = 43604 13130 digits
n = 77864 23444 digits
n = 262064 78893 digits
n = 274640 82679 digits
n = 641684 193170 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 647512 194925 digits Mar 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 865312 260489 digits May 2012 Ivan Cere; PSieve; srsieve; PrimeGrid; LLR
n = 1634080 491911 digits Feb 2021 Philippe G. Goossens; PSieve; srsieve; PrimeGrid; LLR
n = 1910626 575160 digits Feb 2024 Davide Bressani; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7137
max n: 2.372.790
n = 2 5 digits
n = 3 5 digits
n = 4 6 digits
n = 6 6 digits
n = 10 7 digits
n = 15 9 digits
n = 20 10 digits
n = 23 11 digits
n = 31 14 digits
n = 50 19 digits
n = 55 21 digits
n = 78 28 digits
n = 83 29 digits
n = 96 33 digits
n = 104 36 digits
n = 122 41 digits
n = 208 67 digits
n = 307 97 digits
n = 395 123 digits
n = 424 132 digits
n = 484 150 digits
n = 488 151 digits
n = 1028 314 digits
n = 1343 409 digits
n = 1462 444 digits
n = 1658 503 digits
n = 2238 678 digits
n = 2908 880 digits
n = 3020 913 digits
n = 4063 1227 digits 1993 Jeffrey Young
n = 6022 1817 digits
n = 10235 3085 digits
n = 14264 4298 digits
n = 14986 4516 digits
n = 27064 8151 digits
n = 46403 13973 digits
n = 53491 16107 digits
n = 85427 25720 digits
n = 200250 60286 digits Nov 2003 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 236380 71162 digits
n = 456275 137357 digits May 2009 Olivier Tarnus; srsieve; PrimeGrid; LLR
n = 470578 141662 digits Oct 2009 Holger Czirpka; srsieve; PrimeGrid; LLR
n = 494456 148850 digits Mar 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 548428 165098 digits Sep 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 589831 177561 digits Dec 2010 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 721800 217288 digits Nov 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 862438 259624 digits May 2012 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 863955 260081 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 866602 260878 digits May 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
n = 1439474 433329 digits Feb 2017 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1590535 478803 digits Sep 2020 Jiri Eisler; PSieve; srsieve; PrimeGrid; LLR
n = 1680712 505949 digits Mar 2022 Benjamin Lynch; PPSE; PrimeGrid
k: 7139
max n: 2.373.438
n = 13 8 digits
n = 19 10 digits
n = 59 22 digits
n = 115 39 digits
n = 551 170 digits
n = 619 191 digits
n = 949 290 digits
n = 1651 501 digits
n = 2075 629 digits
n = 4597 1388 digits 1993 Jeffrey Young
n = 7639 2304 digits
n = 12619 3803 digits
n = 16999 5122 digits
n = 28487 8580 digits
n = 40399 12166 digits
n = 79699 23996 digits
n = 98935 29787 digits
n = 105487 31759 digits
n = 112507 33872 digits
n = 144313 43447 digits
n = 516337 155437 digits Jun 2010 Eric Markle; PSieve; srsieve; PrimeGrid; LLR
n = 705011 212234 digits Sep 2011 Renato Chagas; PSieve; srsieve; PrimeGrid; LLR
n = 1397035 420554 digits Mar 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1626061 489497 digits Feb 2021 Bruce E. Slade; PSieve; srsieve; PrimeGrid; LLR
k: 7141
max n: 2.373.175
n = 128 43 digits
n = 152 50 digits
n = 1872 568 digits
n = 6912 2085 digits
n = 78720 23701 digits
n = 80168 24137 digits
n = 180512 54344 digits
n = 352896 106237 digits May 2012 James Boerner; PPSE; PrimeGrid
k: 7143
max n: 2.372.545
n = 2 5 digits
n = 5 6 digits
n = 6 6 digits
n = 8 7 digits
n = 9 7 digits
n = 20 10 digits
n = 24 12 digits
n = 30 13 digits
n = 41 17 digits
n = 45 18 digits
n = 48 19 digits
n = 56 21 digits
n = 74 27 digits
n = 81 29 digits
n = 84 30 digits
n = 117 40 digits
n = 188 61 digits
n = 249 79 digits
n = 264 84 digits
n = 296 93 digits
n = 350 110 digits
n = 681 209 digits
n = 762 234 digits
n = 965 295 digits
n = 2108 639 digits
n = 4200 1269 digits 1993 Jeffrey Young
n = 4364 1318 digits 1993 Jeffrey Young
n = 4746 1433 digits 1993 Jeffrey Young
n = 6285 1896 digits
n = 12740 3839 digits
n = 68822 20722 digits May 2000 James Carpenter; Proth
n = 121632 36619 digits
n = 195488 58852 digits
n = 220632 66421 digits
n = 231902 69814 digits
n = 317100 95461 digits
n = 382098 115027 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 593984 178811 digits Dec 2010 Ian Dickinson; PSieve; srsieve; PrimeGrid; LLR
n = 635646 191353 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1041686 313583 digits Jan 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1198797 360878 digits Nov 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1473272 443503 digits Feb 2018 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
n = 1544984 465091 digits Aug 2019 Nick Merrylees; PSieve; srsieve; PrimeGrid; LLR
k: 7145
max n: 2.372.324
n = 7 6 digits
n = 13 8 digits
n = 25 12 digits
n = 105 36 digits
n = 1015 310 digits
n = 1315 400 digits
n = 5275 1592 digits
n = 12165 3666 digits
n = 55353 16667 digits
n = 65913 19846 digits
n = 92563 27869 digits
n = 206887 62284 digits
n = 852825 256730 digits May 2012 Fred Richard; PSieve; srsieve; PrimeGrid; LLR
n = 1182427 355950 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 7147
max n: 2.373.177
n = 10 7 digits
n = 74 27 digits
n = 76 27 digits
n = 94 33 digits
n = 264 84 digits
n = 324 102 digits
n = 390 122 digits
n = 406 127 digits
n = 438 136 digits
n = 1074 328 digits
n = 1926 584 digits
n = 1966 596 digits
n = 2766 837 digits
n = 2788 844 digits
n = 2954 894 digits
n = 3756 1135 digits 1993 Jeffrey Young
n = 3996 1207 digits 1993 Jeffrey Young
n = 5174 1562 digits
n = 5796 1749 digits
n = 6364 1920 digits
n = 6378 1924 digits
n = 6586 1987 digits
n = 7386 2228 digits May 1996 Patrick Demichel
n = 7606 2294 digits
n = 8686 2619 digits
n = 11866 3576 digits
n = 12186 3673 digits
n = 20898 6295 digits
n = 37486 11289 digits
n = 47374 14265 digits
n = 95078 28626 digits
n = 102334 30810 digits
n = 177834 53538 digits
n = 281380 84708 digits
n = 602676 181428 digits Jan 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 663650 199783 digits Apr 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1184808 356667 digits Oct 2013 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
k: 7149
max n: 2.372.545
n = 2 5 digits
n = 3 5 digits
n = 18 10 digits
n = 25 12 digits
n = 33 14 digits
n = 35 15 digits
n = 41 17 digits
n = 46 18 digits
n = 58 22 digits
n = 81 29 digits
n = 89 31 digits
n = 98 34 digits
n = 134 45 digits
n = 151 50 digits
n = 193 62 digits
n = 241 77 digits
n = 271 86 digits
n = 279 88 digits
n = 418 130 digits
n = 1425 433 digits
n = 1547 470 digits
n = 2257 684 digits
n = 2742 830 digits
n = 2794 845 digits
n = 3455 1044 digits 1993 Jeffrey Young
n = 7318 2207 digits May 1996 Patrick Demichel
n = 8153 2459 digits May 1996 Patrick Demichel
n = 8467 2553 digits
n = 12062 3635 digits
n = 13459 4056 digits
n = 25345 7634 digits
n = 28507 8586 digits
n = 39073 11766 digits
n = 50215 15121 digits
n = 71027 21386 digits
n = 77899 23454 digits
n = 116519 35080 digits
n = 130977 39432 digits
n = 192007 57804 digits
n = 221899 66803 digits
n = 223271 67216 digits
n = 330985 99641 digits
n = 351058 105683 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 607563 182899 digits Jan 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 674966 203189 digits Jul 2011 Martin Novak; PSieve; srsieve; PrimeGrid; LLR
n = 1254463 377635 digits Apr 2014 Philippe Jaillet; PSieve; srsieve; PrimeGrid; LLR
n = 1935246 582571 digits Mar 2024 Derek Gordon; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2120135 638229 digits Jan 2025 Dmytro Volosovsky; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7151
max n: 2.372.382
n = 1 5 digits
n = 11 8 digits
n = 19 10 digits
n = 23 11 digits
n = 27 12 digits
n = 31 14 digits
n = 33 14 digits
n = 47 19 digits
n = 59 22 digits
n = 81 29 digits
n = 123 41 digits
n = 179 58 digits
n = 239 76 digits
n = 281 89 digits
n = 377 118 digits
n = 649 200 digits
n = 1013 309 digits
n = 1619 492 digits
n = 1907 578 digits
n = 2069 627 digits
n = 2377 720 digits
n = 2867 867 digits
n = 3699 1118 digits 1993 Jeffrey Young
n = 3883 1173 digits 1993 Jeffrey Young
n = 4919 1485 digits 1993 Jeffrey Young
n = 7659 2310 digits
n = 14341 4321 digits
n = 14851 4475 digits
n = 15457 4657 digits
n = 36861 11101 digits
n = 38447 11578 digits
n = 55753 16788 digits
n = 94903 28573 digits
n = 124521 37489 digits
n = 142103 42782 digits
n = 208013 62623 digits
n = 290071 87324 digits
n = 388357 116911 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 453971 136663 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 653917 196853 digits Mar 2011 Takaharu Yamamura; PSieve; srsieve; PrimeGrid; LLR
n = 1618379 487185 digits Feb 2021 Brian D. Niegocki; PSieve; srsieve; PrimeGrid; LLR
k: 7153
max n: 2.373.187
n = 8 7 digits
n = 40 16 digits
n = 58 22 digits
n = 104 36 digits
n = 148 49 digits
n = 604 186 digits
n = 1018 311 digits
n = 1208 368 digits
n = 1324 403 digits
n = 6616 1996 digits
n = 15800 4761 digits
n = 89554 26963 digits
n = 99704 30018 digits
n = 113480 34165 digits
n = 126394 38053 digits
n = 133496 40191 digits
n = 255064 76786 digits
n = 399538 120277 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 514784 154970 digits Jun 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 709208 213497 digits Sep 2011 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1769216 532591 digits Nov 2023 Vaughan Davies; PPSE; PrimeGrid
k: 7155
max n: 2.372.707
n = 2 5 digits
n = 3 5 digits
n = 5 6 digits
n = 8 7 digits
n = 10 7 digits
n = 12 8 digits
n = 13 8 digits
n = 16 9 digits
n = 18 10 digits
n = 20 10 digits
n = 43 17 digits
n = 72 26 digits
n = 92 32 digits
n = 110 37 digits
n = 112 38 digits
n = 147 49 digits
n = 156 51 digits
n = 228 73 digits
n = 229 73 digits
n = 253 81 digits
n = 314 99 digits
n = 324 102 digits
n = 386 121 digits
n = 387 121 digits
n = 394 123 digits
n = 425 132 digits
n = 456 142 digits
n = 565 174 digits
n = 710 218 digits
n = 716 220 digits
n = 780 239 digits
n = 869 266 digits
n = 1172 357 digits
n = 1234 376 digits
n = 1523 463 digits
n = 1836 557 digits
n = 1894 575 digits
n = 1990 603 digits
n = 2204 668 digits
n = 2332 706 digits
n = 3459 1046 digits 1993 Jeffrey Young
n = 3829 1157 digits 1993 Jeffrey Young
n = 3860 1166 digits 1993 Jeffrey Young
n = 3995 1207 digits 1993 Jeffrey Young
n = 4066 1228 digits 1993 Jeffrey Young
n = 5350 1615 digits
n = 5674 1712 digits
n = 7945 2396 digits
n = 8473 2555 digits
n = 9805 2956 digits
n = 10284 3100 digits
n = 10787 3252 digits
n = 11648 3511 digits
n = 18844 5677 digits
n = 18902 5694 digits
n = 21643 6520 digits
n = 24456 7366 digits Nov 1998 Baptiste Heyman; Proth
n = 26379 7945 digits
n = 26388 7948 digits
n = 34105 10271 digits
n = 35830 10790 digits
n = 37994 11442 digits
n = 44228 13318 digits May 1999 Tadashi Taura; Proth
n = 49322 14852 digits
n = 54454 16397 digits
n = 55165 16611 digits May 1999 Tadashi Taura; Proth
n = 56419 16988 digits
n = 86894 26162 digits
n = 91459 27536 digits
n = 98890 29773 digits
n = 114044 34335 digits
n = 118660 35725 digits
n = 125982 37929 digits
n = 162714 48986 digits
n = 165408 49797 digits
n = 174930 52664 digits
n = 190152 57246 digits
n = 222733 67054 digits
n = 248524 74818 digits
n = 258122 77707 digits
n = 260747 78497 digits
n = 271556 81751 digits
n = 282590 85072 digits
n = 297000 89410 digits
n = 338010 101756 digits Apr 2012 Patrick Schöfer; PPSE; PrimeGrid
n = 351576 105839 digits May 2012 PPSE; PrimeGrid
n = 356180 107225 digits May 2012 PPSE; PrimeGrid
n = 372793 112226 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 394195 118669 digits Jul 2012 Dirk Dhuyvetters; PPSE; PrimeGrid
n = 473226 142460 digits Oct 2009 Boudewyn van Os; srsieve; PrimeGrid; LLR
n = 491394 147929 digits Feb 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 622468 187386 digits Feb 2011 Takaharu Yamamura; PSieve; srsieve; PrimeGrid; LLR
n = 710036 213746 digits Nov 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 731170 220108 digits Feb 2012 Shinya Matsuo; PSieve; srsieve; PrimeGrid; LLR
n = 793738 238943 digits Mar 2012 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 875922 263683 digits May 2012 Ivan Bileichyk; PSieve; srsieve; PrimeGrid; LLR
n = 1119014 336861 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1188689 357835 digits Oct 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1615105 486199 digits Feb 2021 Bryan Little; PSieve; srsieve; PrimeGrid; LLR
n = 1642177 494349 digits Jul 2021 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1743604 524881 digits May 2023 Ryan Propper; PPSE; PrimeGrid
n = 1750923 527085 digits Jun 2023 Yifei Gao; PPSE; PrimeGrid
n = 2222069 668914 digits Feb 2025 Michael Millerick; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7157
max n: 2.373.411
n = 15 9 digits
n = 27 12 digits
n = 35 15 digits
n = 579 179 digits
n = 9351 2819 digits
n = 16475 4964 digits
n = 16907 5094 digits
n = 17615 5307 digits
n = 26507 7984 digits
n = 32067 9657 digits
n = 148295 44646 digits
n = 153015 46066 digits
n = 332327 100045 digits Apr 2012 Dave Walker; PPSE; PrimeGrid
n = 382799 115238 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 914127 275184 digits Jun 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 948455 285518 digits Jul 2012 Detlef Gleim; PSieve; srsieve; PrimeGrid; LLR
n = 1750731 527027 digits Jun 2023 Cédric Latge; PPSE; PrimeGrid
n = 2069687 623042 digits Jan 2025 Greg Lobring; PPSE; PrimeGrid
k: 7159
max n: 2.373.450
n = 30 13 digits
n = 42 17 digits
n = 126 42 digits
n = 918 281 digits
n = 1002 306 digits
n = 1938 588 digits
n = 3870 1169 digits 1993 Jeffrey Young
n = 5610 1693 digits
n = 16890 5089 digits
n = 163242 49145 digits
k: 7161
max n: 2.372.628
n = 1 5 digits
n = 4 6 digits
n = 5 6 digits
n = 15 9 digits
n = 16 9 digits
n = 28 13 digits
n = 31 14 digits
n = 32 14 digits
n = 36 15 digits
n = 39 16 digits
n = 43 17 digits
n = 57 22 digits
n = 88 31 digits
n = 100 34 digits
n = 193 62 digits
n = 253 81 digits
n = 272 86 digits
n = 324 102 digits
n = 415 129 digits
n = 468 145 digits
n = 507 157 digits
n = 669 206 digits
n = 980 299 digits
n = 1011 309 digits
n = 1132 345 digits
n = 1276 388 digits
n = 1700 516 digits
n = 1712 520 digits
n = 1969 597 digits
n = 2511 760 digits
n = 2700 817 digits
n = 3300 998 digits
n = 6637 2002 digits
n = 7483 2257 digits
n = 7920 2389 digits
n = 8737 2634 digits
n = 9859 2972 digits
n = 9871 2976 digits
n = 13015 3922 digits
n = 15048 4534 digits Nov 1997 Henri Lifchitz; Proth
n = 24804 7471 digits
n = 27185 8188 digits
n = 34504 10391 digits
n = 35299 10630 digits
n = 37208 11205 digits
n = 46292 13940 digits
n = 54187 16316 digits
n = 68223 20542 digits
n = 104468 31452 digits
n = 113221 34087 digits
n = 168171 50629 digits
n = 174517 52539 digits
n = 181776 54724 digits
n = 278689 83898 digits
n = 317868 95692 digits
n = 335149 100894 digits Apr 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 618000 186041 digits Jan 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 755332 227382 digits Feb 2012 Greg Gatewood; PSieve; srsieve; PrimeGrid; LLR
n = 782884 235676 digits Mar 2012 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 819456 246685 digits Apr 2012 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 887581 267193 digits May 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 964387 290314 digits Aug 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1041792 313615 digits Jan 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1208613 363833 digits Dec 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1339465 403223 digits Jun 2015 Mark Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1497385 450762 digits Jul 2018 Dave Sunderland; PSieve; srsieve; PrimeGrid; LLR
n = 1584363 476945 digits Aug 2020 Richard Mortimore; PSieve; srsieve; PrimeGrid; LLR
n = 1726860 519841 digits Dec 2022 Latah Headrick; PPSE; PrimeGrid
n = 1752133 527449 digits Jun 2023 PPSE; PrimeGrid
n = 2207413 664502 digits Feb 2025 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7163
max n: 2.373.280
n = 1 5 digits
n = 5 6 digits
n = 25 12 digits
n = 189 61 digits
n = 269 85 digits
n = 325 102 digits
n = 569 176 digits
n = 581 179 digits
n = 1565 475 digits
n = 1977 599 digits
n = 1993 604 digits
n = 2601 787 digits
n = 2873 869 digits
n = 3817 1153 digits 1993 Jeffrey Young
n = 5501 1660 digits
n = 7873 2374 digits
n = 30757 9263 digits
n = 116009 34927 digits
n = 148885 44823 digits
n = 194981 58699 digits
n = 230013 69245 digits
n = 643573 193739 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 765905 230565 digits Feb 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 2210733 665501 digits Feb 2025 Don Wellck; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7165
max n: 2.372.853
n = 2 5 digits
n = 4 6 digits
n = 14 9 digits
n = 16 9 digits
n = 20 10 digits
n = 34 15 digits
n = 36 15 digits
n = 46 18 digits
n = 54 21 digits
n = 60 22 digits
n = 84 30 digits
n = 86 30 digits
n = 146 48 digits
n = 166 54 digits
n = 266 84 digits
n = 302 95 digits
n = 366 115 digits
n = 510 158 digits
n = 538 166 digits
n = 748 230 digits
n = 786 241 digits
n = 894 273 digits
n = 1428 434 digits
n = 2464 746 digits
n = 2714 821 digits
n = 3382 1022 digits 1993 Jeffrey Young
n = 5602 1691 digits
n = 5994 1809 digits
n = 6568 1982 digits
n = 7078 2135 digits
n = 9322 2811 digits
n = 9722 2931 digits
n = 10940 3298 digits
n = 20320 6121 digits
n = 29584 8910 digits
n = 32682 9843 digits
n = 39834 11996 digits
n = 40426 12174 digits
n = 69302 20866 digits
n = 71048 21392 digits
n = 167018 50282 digits
n = 181348 54596 digits
n = 275164 82837 digits
n = 277484 83535 digits
n = 296354 89216 digits
n = 412134 124069 digits Sep 2012 PPSE; PrimeGrid
n = 702904 211600 digits Sep 2011 Artyom Artyomov; PSieve; srsieve; PrimeGrid; LLR
n = 785442 236446 digits Mar 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 967462 291239 digits Aug 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1237210 372442 digits Jan 2014 Klaus Olszowi; PSieve; srsieve; PrimeGrid; LLR
n = 1547988 465995 digits Oct 2019 Zhiyuan Ma; PSieve; srsieve; PrimeGrid; LLR
n = 1649688 496610 digits Dec 2021 Xu Zheng; PSieve; srsieve; PrimeGrid; LLR
n = 1720018 517781 digits Nov 2022 Alexey Simbarsky; PPSE; PrimeGrid
k: 7167
max n: 2.372.833
n = 2 5 digits
n = 8 7 digits
n = 11 8 digits
n = 19 10 digits
n = 23 11 digits
n = 32 14 digits
n = 35 15 digits
n = 38 16 digits
n = 58 22 digits
n = 451 140 digits
n = 574 177 digits
n = 682 210 digits
n = 778 239 digits
n = 818 251 digits
n = 1495 454 digits
n = 1658 503 digits
n = 2114 641 digits
n = 2359 714 digits
n = 6482 1956 digits
n = 10583 3190 digits
n = 14950 4505 digits
n = 15479 4664 digits
n = 21308 6419 digits Oct 1996 Patrick Demichel
n = 22427 6756 digits
n = 29351 8840 digits
n = 31082 9361 digits
n = 60434 18197 digits
n = 63218 19035 digits
n = 74123 22318 digits
n = 94979 28596 digits
n = 142162 42799 digits
n = 384272 115682 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 430682 129653 digits Dec 2012 Kenta Miyakoshi; PPSE; PrimeGrid
n = 437195 131613 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 561242 168955 digits Oct 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 708463 213273 digits Sep 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 941303 283365 digits Jul 2012 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 2157022 649333 digits Feb 2025 Will Steinbach; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2164207 651496 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7169
max n: 2.372.414
n = 5 6 digits
n = 7 6 digits
n = 17 9 digits
n = 21 11 digits
n = 23 11 digits
n = 71 26 digits
n = 77 28 digits
n = 79 28 digits
n = 89 31 digits
n = 93 32 digits
n = 189 61 digits
n = 237 76 digits
n = 295 93 digits
n = 453 141 digits
n = 483 150 digits
n = 533 165 digits
n = 773 237 digits
n = 879 269 digits
n = 1041 318 digits
n = 1493 454 digits
n = 1871 568 digits
n = 2415 731 digits
n = 2661 805 digits
n = 3355 1014 digits 1993 Jeffrey Young
n = 3587 1084 digits 1993 Jeffrey Young
n = 3687 1114 digits 1993 Jeffrey Young
n = 3951 1194 digits 1993 Jeffrey Young
n = 4325 1306 digits 1993 Jeffrey Young
n = 4623 1396 digits 1993 Jeffrey Young
n = 5103 1541 digits
n = 5127 1548 digits
n = 5237 1581 digits
n = 6269 1892 digits
n = 6395 1929 digits
n = 22931 6907 digits
n = 29295 8823 digits
n = 30903 9307 digits
n = 36225 10909 digits
n = 44639 13442 digits
n = 46097 13881 digits
n = 89133 26836 digits
n = 101573 30581 digits
n = 150873 45422 digits
n = 152291 45849 digits
n = 214263 64504 digits
n = 218229 65698 digits
n = 234377 70559 digits
n = 278191 83748 digits
n = 457005 137577 digits Jun 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 603127 181564 digits Jan 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 877443 264141 digits May 2012 Greg Gatewood; PSieve; srsieve; PrimeGrid; LLR
n = 1028025 309471 digits Nov 2012 Robert Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 1188285 357714 digits Oct 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1427483 429720 digits Dec 2016 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1512255 455238 digits Jan 2019 Stephanie Smith; PSieve; srsieve; PrimeGrid; LLR
n = 2140989 644506 digits Jan 2025 Shawn Philbert; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7171
max n: 2.373.227
n = 44 18 digits
n = 72 26 digits
n = 116 39 digits
n = 176 57 digits
n = 468 145 digits
n = 908 278 digits
n = 1064 325 digits
n = 3764 1137 digits 1993 Jeffrey Young
n = 15992 4818 digits
n = 37836 11394 digits
n = 304304 91609 digits
k: 7173
max n: 2.372.873
n = 1 5 digits
n = 4 6 digits
n = 9 7 digits
n = 21 11 digits
n = 22 11 digits
n = 33 14 digits
n = 37 15 digits
n = 52 20 digits
n = 66 24 digits
n = 106 36 digits
n = 129 43 digits
n = 294 93 digits
n = 364 114 digits
n = 508 157 digits
n = 1794 544 digits
n = 2182 661 digits
n = 3873 1170 digits 1993 Jeffrey Young
n = 4021 1215 digits 1993 Jeffrey Young
n = 5676 1713 digits
n = 6214 1875 digits
n = 10542 3178 digits
n = 11506 3468 digits
n = 15973 4813 digits
n = 17170 5173 digits
n = 22626 6815 digits
n = 23980 7223 digits
n = 27490 8280 digits
n = 31444 9470 digits
n = 34854 10496 digits
n = 91060 27416 digits
n = 147870 44518 digits
n = 297612 89594 digits
n = 306300 92210 digits
n = 323796 97477 digits
n = 329740 99266 digits
n = 618057 186058 digits Jan 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 684729 206128 digits Aug 2011 Ronny Willig; PSieve; srsieve; PrimeGrid; LLR
n = 958764 288621 digits Aug 2012 Gary Craig; PSieve; srsieve; PrimeGrid; LLR
n = 2331220 701772 digits Dec 2025 David Perek; PPSE; PrimeGrid
n = 2353740 708551 digits Apr 2026 Adrian Baker; PPSE; PrimeGrid
k: 7175
max n: 2.372.830
n = 5 6 digits
n = 9 7 digits
n = 13 8 digits
n = 25 12 digits
n = 45 18 digits
n = 51 20 digits
n = 73 26 digits
n = 93 32 digits
n = 95 33 digits
n = 553 171 digits
n = 591 182 digits
n = 881 270 digits
n = 1291 393 digits
n = 1413 430 digits
n = 7109 2144 digits
n = 8055 2429 digits
n = 9881 2979 digits
n = 22691 6835 digits
n = 27949 8418 digits
n = 28345 8537 digits
n = 31005 9338 digits
n = 33145 9982 digits
n = 43201 13009 digits
n = 43273 13031 digits
n = 48131 14493 digits
n = 79713 24000 digits
n = 145423 43781 digits
n = 243235 73225 digits
n = 315899 95099 digits
n = 387655 116700 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 474225 142760 digits Oct 2009 Sam Shearman; srsieve; PrimeGrid; LLR
n = 1752093 527437 digits Jun 2023 Steve Dodd; PPSE; PrimeGrid
k: 7177
max n: 2.372.713
n = 4 6 digits
n = 8 7 digits
n = 16 9 digits
n = 64 24 digits
n = 76 27 digits
n = 84 30 digits
n = 98 34 digits
n = 120 40 digits
n = 140 47 digits
n = 168 55 digits
n = 178 58 digits
n = 196 63 digits
n = 256 81 digits
n = 752 231 digits
n = 872 267 digits
n = 1032 315 digits
n = 4292 1296 digits 1993 Jeffrey Young
n = 8556 2580 digits
n = 11840 3569 digits
n = 16370 4932 digits
n = 19970 6016 digits
n = 20062 6044 digits
n = 32560 9806 digits
n = 44636 13441 digits
n = 139906 42120 digits
n = 150296 45248 digits
n = 232808 70087 digits
n = 262130 78913 digits Sep 2006 John Dilick; NewPGen; Proth
n = 291460 87743 digits Oct 2006 John Dilick; NewPGen; Proth
n = 306644 92313 digits Nov 2006 John Dilick; NewPGen; Proth
n = 315058 94846 digits
n = 649774 195606 digits Feb 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 941674 283476 digits Jul 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 2177540 655509 digits Feb 2025 Gerry Michaud; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2243642 675408 digits Feb 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2316670 697392 digits Oct 2025 Logan Hood; PPSE; PrimeGrid
n = 3388144 1019937 digits Dec 2021 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7179
max n: 2.372.070
n = 7 6 digits
n = 9 7 digits
n = 11 8 digits
n = 15 9 digits
n = 29 13 digits
n = 30 13 digits
n = 39 16 digits
n = 45 18 digits
n = 67 25 digits
n = 70 25 digits
n = 129 43 digits
n = 135 45 digits
n = 226 72 digits
n = 325 102 digits
n = 337 106 digits
n = 541 167 digits
n = 586 181 digits
n = 1061 324 digits
n = 1279 389 digits
n = 1557 473 digits
n = 1943 589 digits
n = 2130 646 digits
n = 2797 846 digits
n = 4039 1220 digits 1993 Jeffrey Young
n = 4331 1308 digits 1993 Jeffrey Young
n = 4799 1449 digits 1993 Jeffrey Young
n = 5169 1560 digits
n = 6631 2000 digits
n = 7175 2164 digits
n = 8991 2711 digits
n = 13615 4103 digits
n = 16625 5009 digits
n = 18193 5481 digits
n = 19163 5773 digits
n = 20329 6124 digits
n = 20335 6126 digits
n = 21215 6391 digits
n = 22183 6682 digits
n = 23686 7135 digits
n = 27729 8352 digits
n = 35331 10640 digits
n = 37107 11175 digits
n = 47719 14369 digits
n = 52293 15746 digits
n = 69315 20870 digits
n = 146130 43994 digits
n = 155649 46859 digits
n = 228701 68850 digits
n = 319830 96283 digits
n = 360901 108646 digits Feb 2009 Peter Tibbott; srsieve; PrimeGrid; LLR
n = 553795 166713 digits Oct 2010 Ian Upham; PSieve; srsieve; PrimeGrid; LLR
n = 576207 173460 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 581851 175159 digits Nov 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 593953 178802 digits Dec 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 635413 191283 digits Feb 2011 Kimmo Myllyvirta; PSieve; srsieve; PrimeGrid; LLR
n = 684917 206185 digits Aug 2011 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 749459 225614 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 1013673 305150 digits Oct 2012 Zdenek Vasku; PSieve; srsieve; PrimeGrid; LLR
n = 1036501 312022 digits Jan 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1081815 325663 digits May 2013 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1085813 326867 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1117945 336539 digits Aug 2013 Adrian Schori; PSieve; srsieve; PrimeGrid; LLR
n = 1182373 355934 digits Oct 2013 Krzysztof Ostaszewski; PSieve; srsieve; PrimeGrid; LLR
n = 1468225 441984 digits Feb 2018 Will Steinbach; PSieve; srsieve; PrimeGrid; LLR
n = 1537965 462978 digits May 2019 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 1604681 483061 digits Sep 2020 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2368829 713093 digits Jun 2026 Vladimir Romanov; PPSE; PrimeGrid
k: 7181
max n: 2.372.784
n = 7 6 digits
n = 23 11 digits
n = 35 15 digits
n = 91 32 digits
n = 103 35 digits
n = 215 69 digits
n = 281 89 digits
n = 305 96 digits
n = 745 229 digits
n = 1103 336 digits
n = 1505 457 digits
n = 1975 599 digits
n = 2111 640 digits
n = 2515 761 digits
n = 2651 802 digits
n = 4351 1314 digits 1993 Jeffrey Young
n = 6503 1962 digits
n = 16675 5024 digits
n = 17743 5346 digits
n = 49361 14863 digits
n = 73787 22216 digits
n = 176897 53256 digits
n = 211615 63707 digits
n = 230755 69469 digits
n = 241043 72566 digits
n = 457975 137869 digits Jun 2009 Ian Dickinson; srsieve; PrimeGrid; LLR
n = 1180471 355362 digits Oct 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1639121 493429 digits May 2021 Dr. Lutz Eichler; PSieve; srsieve; PrimeGrid; LLR
k: 7183
max n: 2.373.192
n = 12 8 digits
n = 22 11 digits
n = 26 12 digits
n = 38 16 digits
n = 54 21 digits
n = 58 22 digits
n = 68 25 digits
n = 70 25 digits
n = 88 31 digits
n = 96 33 digits
n = 126 42 digits
n = 302 95 digits
n = 320 101 digits
n = 446 139 digits
n = 796 244 digits
n = 2632 797 digits
n = 4272 1290 digits 1993 Jeffrey Young
n = 5316 1605 digits
n = 7488 2258 digits
n = 8472 2555 digits
n = 10388 3131 digits
n = 14616 4404 digits
n = 14866 4479 digits
n = 15114 4554 digits
n = 16896 5091 digits
n = 22230 6696 digits
n = 24384 7345 digits
n = 58572 17636 digits
n = 60788 18303 digits
n = 60930 18346 digits
n = 67138 20215 digits
n = 445102 133993 digits Jan 2013 Carlos Loureiro; PPSE; PrimeGrid
n = 446408 134387 digits Jan 2013 Jörg Meili; PPSE; PrimeGrid
n = 490330 147608 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 650518 195830 digits Feb 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 673528 202756 digits Jun 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 773286 232787 digits Feb 2012 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 1150730 346409 digits Sep 2013 Dylan Kenney; PSieve; srsieve; PrimeGrid; LLR
n = 1582702 476445 digits Jul 2020 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 1968242 592504 digits Jun 2024 Adrian Schori; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2344662 705818 digits Feb 2026 PPSE; PrimeGrid
k: 7185
max n: 2.372.474
n = 6 6 digits
n = 8 7 digits
n = 11 8 digits
n = 12 8 digits
n = 15 9 digits
n = 21 11 digits
n = 27 12 digits
n = 36 15 digits
n = 45 18 digits
n = 48 19 digits
n = 60 22 digits
n = 90 31 digits
n = 105 36 digits
n = 147 49 digits
n = 275 87 digits
n = 366 115 digits
n = 1101 336 digits
n = 1379 419 digits
n = 1577 479 digits
n = 1773 538 digits
n = 2868 868 digits
n = 4661 1407 digits 1993 Jeffrey Young
n = 4958 1497 digits 1993 Jeffrey Young
n = 5091 1537 digits
n = 5555 1677 digits
n = 6089 1837 digits
n = 6597 1990 digits
n = 7692 2320 digits
n = 8067 2433 digits
n = 10739 3237 digits
n = 11969 3607 digits
n = 13238 3989 digits
n = 13310 4011 digits
n = 13863 4178 digits
n = 14135 4259 digits
n = 16317 4916 digits
n = 21348 6431 digits Oct 1996 Patrick Demichel
n = 40935 12327 digits
n = 46866 14112 digits
n = 52632 15848 digits
n = 65733 19792 digits
n = 98463 29645 digits
n = 126926 38213 digits
n = 163131 49112 digits
n = 236760 71276 digits
n = 274397 82606 digits
n = 477018 143601 digits Oct 2009 Markus Schoenberger; srsieve; PrimeGrid; LLR
n = 535287 161142 digits Aug 2010 Torben Kock; PSieve; srsieve; PrimeGrid; LLR
n = 542400 163283 digits Aug 2010 Tanya Puckett; PSieve; srsieve; PrimeGrid; LLR
n = 612837 184487 digits Jan 2011 Akihiko Satou; PSieve; srsieve; PrimeGrid; LLR
n = 704991 212228 digits Sep 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 863211 259857 digits May 2012 William Miskovetz; PSieve; srsieve; PrimeGrid; LLR
n = 1387701 417744 digits Feb 2016 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 1728237 520256 digits Jan 2023 Greg Miller; PPSE; PrimeGrid
n = 1834977 552387 digits Jan 2024 Jiri Jaros; PPSE; PrimeGrid
k: 7187
max n: 2.373.246
n = 7 6 digits
n = 79 28 digits
n = 315 99 digits
n = 327 103 digits
n = 387 121 digits
n = 567 175 digits
n = 679 209 digits
n = 807 247 digits
n = 871 267 digits
n = 1467 446 digits
n = 1639 498 digits
n = 2859 865 digits
n = 3511 1061 digits 1993 Jeffrey Young
n = 6991 2109 digits Mar 1996 Patrick Demichel
n = 15979 4815 digits
n = 28167 8483 digits
n = 31507 9489 digits
n = 34531 10399 digits
n = 38071 11465 digits
n = 80035 24097 digits
n = 209611 63104 digits
n = 324355 97645 digits
n = 375619 113077 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 561327 168981 digits Oct 2010 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 1547331 465797 digits Oct 2019 Wolfram Glatte; PSieve; srsieve; PrimeGrid; LLR
n = 3364011 1012673 digits May 2021 Marc Wiseler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7189
max n: 2.372.857
n = 10 7 digits
n = 14 9 digits
n = 70 25 digits
n = 218 70 digits
n = 402 125 digits
n = 442 137 digits
n = 702 216 digits
n = 862 264 digits
n = 1242 378 digits
n = 1298 395 digits
n = 2502 758 digits
n = 18598 5603 digits
n = 28470 8575 digits
n = 31078 9360 digits
n = 40018 12051 digits
n = 78290 23572 digits
n = 128198 38596 digits
k: 7191
max n: 2.372.735
n = 3 5 digits
n = 4 6 digits
n = 9 7 digits
n = 16 9 digits
n = 23 11 digits
n = 49 19 digits
n = 97 34 digits
n = 108 37 digits
n = 216 69 digits
n = 284 90 digits
n = 456 142 digits
n = 576 178 digits
n = 916 280 digits
n = 1201 366 digits
n = 1327 404 digits
n = 1968 597 digits
n = 5027 1518 digits
n = 5097 1539 digits
n = 5199 1569 digits
n = 11219 3382 digits May 1996 Patrick Demichel
n = 13616 4103 digits
n = 20619 6211 digits
n = 22057 6644 digits
n = 35937 10822 digits
n = 43941 13232 digits
n = 46299 13942 digits
n = 63396 19088 digits
n = 74856 22538 digits
n = 75001 22582 digits
n = 81567 24558 digits
n = 92664 27899 digits
n = 95328 28701 digits
n = 118281 35610 digits
n = 122701 36941 digits
n = 132133 39780 digits
n = 190984 57496 digits
n = 351877 105930 digits May 2012 PPSE; PrimeGrid
n = 621831 187194 digits Feb 2011 Takaharu Yamamura; PSieve; srsieve; PrimeGrid; LLR
n = 691681 208221 digits Sep 2011 James S. Gilliland; PSieve; srsieve; PrimeGrid; LLR
n = 788416 237341 digits Mar 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 869631 261789 digits May 2012 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1050516 316241 digits May 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1523427 458602 digits Feb 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1646256 495577 digits Oct 2021 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1943943 585190 digits Mar 2024 Hugh Myers; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7193
max n: 2.372.868
n = 1 5 digits
n = 9 7 digits
n = 17 9 digits
n = 21 11 digits
n = 45 18 digits
n = 53 20 digits
n = 85 30 digits
n = 97 34 digits
n = 801 245 digits
n = 841 258 digits
n = 2657 804 digits
n = 2817 852 digits
n = 7033 2122 digits
n = 7081 2136 digits
n = 26365 7941 digits
n = 28025 8441 digits
n = 42725 12866 digits
n = 50137 15097 digits
n = 71657 21575 digits
n = 179985 54185 digits
n = 236173 71100 digits
n = 412553 124195 digits Sep 2012 Bart Kus; PPSE; PrimeGrid
n = 1327077 399494 digits Mar 2015 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1471157 442867 digits Feb 2018 Don Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 1567845 471973 digits Feb 2020 Roman Trunov; PSieve; srsieve; PrimeGrid; LLR
n = 1889485 568796 digits Feb 2024 Hugh Myers; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2177613 655531 digits Feb 2025 Rene Schick; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2207573 664550 digits Feb 2025 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7195
max n: 2.373.436
n = 14 9 digits
n = 406 127 digits
n = 428 133 digits
n = 692 213 digits
n = 772 237 digits
n = 1688 512 digits
n = 2438 738 digits
n = 2764 836 digits
n = 18766 5653 digits
n = 19340 5826 digits
n = 37540 11305 digits
n = 109388 32933 digits
n = 260894 78541 digits
n = 916646 275942 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1174532 353574 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 7197
max n: 2.372.637
n = 2 5 digits
n = 4 6 digits
n = 6 6 digits
n = 11 8 digits
n = 12 8 digits
n = 14 9 digits
n = 18 10 digits
n = 22 11 digits
n = 28 13 digits
n = 30 13 digits
n = 42 17 digits
n = 50 19 digits
n = 103 35 digits
n = 108 37 digits
n = 146 48 digits
n = 215 69 digits
n = 246 78 digits
n = 371 116 digits
n = 378 118 digits
n = 396 124 digits
n = 431 134 digits
n = 599 185 digits
n = 716 220 digits
n = 918 281 digits
n = 1228 374 digits
n = 1406 428 digits
n = 3414 1032 digits 1993 Jeffrey Young
n = 6710 2024 digits Mar 1996 Patrick Demichel
n = 8495 2562 digits
n = 9479 2858 digits
n = 11742 3539 digits
n = 12926 3895 digits
n = 16938 5103 digits
n = 23104 6959 digits
n = 50818 15302 digits
n = 99344 29910 digits
n = 104260 31390 digits
n = 110916 33393 digits
n = 117516 35380 digits
n = 124714 37547 digits
n = 128044 38549 digits
n = 186386 56112 digits
n = 193404 58225 digits
n = 193674 58306 digits
n = 223886 67401 digits
n = 227504 68490 digits
n = 369184 111140 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 376171 113243 digits Jun 2012 James P. Burt; PPSE; PrimeGrid
n = 381775 114930 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 561006 168884 digits Oct 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 616388 185556 digits Jan 2011 Annette Virlogeux; PSieve; srsieve; PrimeGrid; LLR
n = 648558 195240 digits Feb 2011 Jeff Smith; PSieve; srsieve; PrimeGrid; LLR
n = 649955 195660 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 696892 209790 digits Sep 2011 Xavier Droniou; PSieve; srsieve; PrimeGrid; LLR
n = 703303 211720 digits Sep 2011 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 712836 214589 digits Nov 2011 Robert Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 1032708 310880 digits Jan 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1172551 352977 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1417308 426657 digits Aug 2016 Trent Melcher; PSieve; srsieve; PrimeGrid; LLR
n = 1858322 559415 digits Feb 2024 Jay Cooper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1869744 562853 digits Feb 2024 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2055839 618874 digits Jan 2025 Li Yawei; PPSE; PrimeGrid
n = 3386526 1019450 digits Dec 2021 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7199
max n: 2.372.998
n = 3 5 digits
n = 5 6 digits
n = 15 9 digits
n = 59 22 digits
n = 93 32 digits
n = 117 40 digits
n = 365 114 digits
n = 1325 403 digits
n = 1965 596 digits
n = 2759 835 digits
n = 5973 1802 digits
n = 9459 2852 digits
n = 9587 2890 digits
n = 30423 9163 digits
n = 34935 10521 digits
n = 45045 13564 digits
n = 160223 48236 digits
n = 251523 75720 digits
n = 399605 120297 digits Jul 2012 Gary Craig; PPSE; PrimeGrid
n = 580907 174875 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1081047 325432 digits May 2013 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1137767 342506 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 7201
max n: 2.373.399
n = 964 295 digits
n = 10576 3188 digits
k: 7203
max n: 2.372.833
n = 1 5 digits
n = 2 5 digits
n = 4 6 digits
n = 10 7 digits
n = 16 9 digits
n = 20 10 digits
n = 28 13 digits
n = 32 14 digits
n = 33 14 digits
n = 38 16 digits
n = 52 20 digits
n = 58 22 digits
n = 60 22 digits
n = 61 23 digits
n = 77 28 digits
n = 122 41 digits
n = 146 48 digits
n = 262 83 digits
n = 370 116 digits
n = 490 152 digits
n = 653 201 digits
n = 1061 324 digits
n = 1157 353 digits
n = 1285 391 digits
n = 1724 523 digits
n = 1906 578 digits
n = 3064 927 digits
n = 3264 987 digits
n = 4528 1367 digits 1993 Jeffrey Young
n = 4557 1376 digits 1993 Jeffrey Young
n = 4661 1407 digits 1993 Jeffrey Young
n = 4741 1432 digits 1993 Jeffrey Young
n = 4910 1482 digits 1993 Jeffrey Young
n = 4954 1496 digits 1993 Jeffrey Young
n = 6241 1883 digits
n = 6886 2077 digits
n = 7144 2155 digits
n = 8057 2430 digits
n = 9460 2852 digits
n = 12758 3845 digits
n = 22620 6814 digits
n = 26497 7981 digits
n = 26568 8002 digits
n = 30421 9162 digits
n = 34477 10383 digits
n = 39505 11897 digits
n = 58532 17624 digits
n = 58953 17751 digits
n = 94288 28388 digits
n = 113924 34299 digits
n = 130732 39359 digits
n = 137592 41424 digits
n = 226468 68178 digits
n = 238828 71899 digits
n = 362378 109091 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 431640 129941 digits Dec 2012 Michael Millerick; PPSE; PrimeGrid
n = 587740 176932 digits Dec 2010 Gerd Verbouwe; PSieve; srsieve; PrimeGrid; LLR
n = 807662 243135 digits Mar 2012 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 872452 262639 digits May 2012 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 925678 278661 digits Jun 2012 Paul Lantinga; PSieve; srsieve; PrimeGrid; LLR
n = 1675713 504444 digits Feb 2022 Filip Rydlo; PSieve; srsieve; PrimeGrid; LLR
n = 1815104 546405 digits Jan 2024 Bryan Little; PPSE; PrimeGrid
n = 1915416 576602 digits Feb 2024 Benoit Da Mota; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2006696 604080 digits Oct 2024 Kai Presler; PPSE; PrimeGrid
n = 2277226 685518 digits May 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7205
max n: 2.372.808
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 13 8 digits
n = 39 16 digits
n = 57 22 digits
n = 103 35 digits
n = 181 59 digits
n = 245 78 digits
n = 253 81 digits
n = 279 88 digits
n = 453 141 digits
n = 497 154 digits
n = 577 178 digits
n = 827 253 digits
n = 1037 317 digits
n = 1059 323 digits
n = 1295 394 digits
n = 2875 870 digits
n = 2937 888 digits
n = 4979 1503 digits 1993 Jeffrey Young
n = 5061 1528 digits
n = 5417 1635 digits
n = 5437 1641 digits
n = 6339 1913 digits
n = 6945 2095 digits Mar 1996 Patrick Demichel
n = 7329 2211 digits May 1996 Patrick Demichel
n = 7393 2230 digits
n = 11609 3499 digits
n = 12293 3705 digits Sep 1997 James Carpenter; Proth
n = 25479 7674 digits
n = 32985 9934 digits
n = 36855 11099 digits
n = 36977 11136 digits
n = 40607 12228 digits
n = 66763 20102 digits
n = 86235 25964 digits
n = 109847 33072 digits
n = 138097 41576 digits
n = 146951 44241 digits
n = 156647 47160 digits
n = 218543 65792 digits
n = 306969 92411 digits
n = 473161 142440 digits Oct 2009 Adam Alexander; srsieve; PrimeGrid; LLR
n = 539043 162272 digits Aug 2010 Andre Schulz; PSieve; srsieve; PrimeGrid; LLR
n = 660853 198941 digits Mar 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 801957 241417 digits Mar 2012 Marc Harper; PSieve; srsieve; PrimeGrid; LLR
n = 960481 289138 digits Aug 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1544267 464875 digits Aug 2019 Bill Michael; PSieve; srsieve; PrimeGrid; LLR
n = 1951897 587584 digits Apr 2024 Robert Coplin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7207
max n: 2.372.459
n = 12 8 digits
n = 20 10 digits
n = 50 19 digits
n = 68 25 digits
n = 102 35 digits
n = 308 97 digits
n = 388 121 digits
n = 1070 326 digits
n = 1162 354 digits
n = 1982 601 digits
n = 6418 1936 digits
n = 8020 2419 digits
n = 8082 2437 digits
n = 8428 2541 digits
n = 16562 4990 digits
n = 26292 7919 digits
n = 46842 14105 digits
n = 67318 20269 digits
n = 71098 21407 digits
n = 87630 26384 digits
n = 106812 32158 digits
n = 123340 37133 digits
n = 179980 54184 digits
n = 250002 75262 digits
n = 443818 133607 digits Dec 2012 Gary Harris; PPSE; PrimeGrid
n = 592868 178475 digits Dec 2010 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 695940 209503 digits Sep 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 846998 254976 digits Apr 2012 Greg Gatewood; PSieve; srsieve; PrimeGrid; LLR
n = 1072658 322907 digits May 2013 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1988540 598615 digits Aug 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7209
max n: 2.373.120
n = 1 5 digits
n = 2 5 digits
n = 10 7 digits
n = 29 13 digits
n = 61 23 digits
n = 82 29 digits
n = 85 30 digits
n = 86 30 digits
n = 95 33 digits
n = 98 34 digits
n = 110 37 digits
n = 118 40 digits
n = 167 55 digits
n = 181 59 digits
n = 197 64 digits
n = 226 72 digits
n = 251 80 digits
n = 289 91 digits
n = 349 109 digits
n = 361 113 digits
n = 431 134 digits
n = 482 149 digits
n = 635 196 digits
n = 781 239 digits
n = 1097 335 digits
n = 2254 683 digits
n = 2590 784 digits
n = 2857 864 digits
n = 4969 1500 digits 1993 Jeffrey Young
n = 9518 2870 digits
n = 19289 5811 digits
n = 23402 7049 digits
n = 30190 9092 digits
n = 52498 15808 digits
n = 62042 18681 digits
n = 112949 34005 digits
n = 125966 37924 digits
n = 200771 60442 digits
n = 214802 64666 digits
n = 244982 73751 digits
n = 364490 109727 digits May 2012 PPSE; PrimeGrid
n = 429746 129371 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 600514 180777 digits Jan 2011 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 640154 192710 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1221977 367856 digits Jan 2014 John Chadwick; PSieve; srsieve; PrimeGrid; LLR
n = 1913609 576058 digits Feb 2024 David Mondon; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7211
max n: 2.372.634
n = 1 5 digits
n = 3 5 digits
n = 11 8 digits
n = 19 10 digits
n = 27 12 digits
n = 39 16 digits
n = 47 19 digits
n = 63 23 digits
n = 99 34 digits
n = 101 35 digits
n = 105 36 digits
n = 109 37 digits
n = 121 41 digits
n = 161 53 digits
n = 235 75 digits
n = 247 79 digits
n = 289 91 digits
n = 319 100 digits
n = 405 126 digits
n = 411 128 digits
n = 441 137 digits
n = 479 149 digits
n = 483 150 digits
n = 497 154 digits
n = 657 202 digits
n = 839 257 digits
n = 949 290 digits
n = 1091 333 digits
n = 1235 376 digits
n = 1443 439 digits
n = 1739 528 digits
n = 1819 552 digits
n = 1839 558 digits
n = 2303 698 digits
n = 3867 1168 digits 1993 Jeffrey Young
n = 4395 1327 digits 1993 Jeffrey Young
n = 4551 1374 digits 1993 Jeffrey Young
n = 4717 1424 digits 1993 Jeffrey Young
n = 4735 1430 digits 1993 Jeffrey Young
n = 5183 1565 digits
n = 6295 1899 digits
n = 7921 2389 digits
n = 9371 2825 digits
n = 15931 4800 digits
n = 17059 5140 digits
n = 22139 6669 digits
n = 46519 14008 digits
n = 60721 18283 digits
n = 64221 19337 digits
n = 71257 21455 digits
n = 100921 30385 digits
n = 138845 41801 digits
n = 139359 41956 digits
n = 149057 44875 digits
n = 210103 63252 digits
n = 234831 70696 digits
n = 412803 124270 digits Sep 2012 Bart Kus; PPSE; PrimeGrid
n = 611337 184035 digits Jan 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 664163 199937 digits Apr 2011 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 898383 270445 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 945279 284562 digits Jul 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1572621 473410 digits Feb 2020 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 1695563 510420 digits May 2022 Edward McKernan; PPSE; PrimeGrid
n = 2306639 694372 digits Sep 2025 Adrian Schori; PPSE; PrimeGrid
k: 7213
max n: 2.372.669
n = 8 7 digits
n = 14 9 digits
n = 20 10 digits
n = 24 12 digits
n = 68 25 digits
n = 168 55 digits
n = 218 70 digits
n = 486 151 digits
n = 636 196 digits
n = 740 227 digits
n = 1550 471 digits
n = 3104 939 digits
n = 4686 1415 digits 1993 Jeffrey Young
n = 6720 2027 digits
n = 18740 5646 digits
n = 20354 6132 digits
n = 20700 6236 digits
n = 42446 12782 digits
n = 75120 22618 digits
n = 82386 24805 digits
n = 326058 98158 digits
n = 372176 112040 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 2173058 654160 digits Feb 2025 Matt Jurach; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3419370 1029337 digits May 2022 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7215
max n: 2.372.220
n = 1 5 digits
n = 13 8 digits
n = 15 9 digits
n = 19 10 digits
n = 25 12 digits
n = 28 13 digits
n = 31 14 digits
n = 34 15 digits
n = 49 19 digits
n = 58 22 digits
n = 79 28 digits
n = 108 37 digits
n = 118 40 digits
n = 139 46 digits
n = 141 47 digits
n = 234 75 digits
n = 241 77 digits
n = 331 104 digits
n = 631 194 digits
n = 729 224 digits
n = 934 286 digits
n = 1426 434 digits
n = 1519 462 digits
n = 2898 877 digits
n = 3451 1043 digits 1993 Jeffrey Young
n = 3915 1183 digits 1993 Jeffrey Young
n = 5341 1612 digits
n = 8274 2495 digits
n = 8706 2625 digits
n = 8895 2682 digits
n = 8989 2710 digits
n = 9993 3013 digits
n = 13695 4127 digits
n = 25299 7620 digits
n = 28066 8453 digits
n = 35178 10594 digits
n = 71653 21574 digits
n = 78456 23622 digits
n = 93408 28123 digits
n = 119688 36034 digits
n = 149649 45053 digits
n = 162231 48841 digits
n = 176131 53025 digits
n = 195079 58729 digits
n = 312781 94161 digits
n = 512781 154367 digits Jun 2010 Pascal Vandaele; PSieve; srsieve; PrimeGrid; LLR
n = 575956 173384 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 598485 180166 digits Jan 2011 Annette Virlogeux; PSieve; srsieve; PrimeGrid; LLR
n = 1135746 341898 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1489053 448254 digits Apr 2018 Mark Jones; PSieve; srsieve; PrimeGrid; LLR
n = 2077095 625272 digits Jan 2025 Bill Michael; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2095591 630840 digits Jan 2025 Ward De Ridder; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2279619 686238 digits May 2025 Matthew Hilbrink; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7217
max n: 2.372.830
n = 3 5 digits
n = 11 8 digits
n = 51 20 digits
n = 467 145 digits
n = 2027 615 digits
n = 6831 2061 digits Mar 1996 Patrick Demichel
n = 13067 3938 digits
n = 23503 7079 digits
n = 59559 17933 digits
n = 109059 32834 digits
n = 109099 32846 digits
n = 231031 69552 digits
n = 356379 107285 digits May 2012 PPSE; PrimeGrid
n = 1049947 316070 digits Feb 2013 Bartlett Henderson; PSieve; srsieve; PrimeGrid; LLR
n = 1236831 372328 digits Jan 2014 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1646823 495747 digits Oct 2021 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2133831 642351 digits Jan 2025 Lorin Arnold; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7219
max n: 2.372.821
n = 10 7 digits
n = 26 12 digits
n = 74 27 digits
n = 214 69 digits
n = 1366 416 digits
n = 1402 426 digits
n = 1450 441 digits
n = 1490 453 digits
n = 10514 3169 digits
n = 12142 3659 digits
n = 30454 9172 digits
n = 59354 17872 digits
n = 67366 20284 digits
n = 81606 24570 digits
n = 101650 30604 digits
n = 113162 34070 digits
n = 122350 36835 digits
n = 154182 46418 digits
n = 286626 86287 digits
n = 287310 86493 digits
n = 386546 116366 digits Jun 2012 Bruce Dodson; PPSE; PrimeGrid
n = 479402 144319 digits Oct 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 509986 153525 digits May 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 554830 167025 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 609682 183537 digits Jan 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 935906 281740 digits Jul 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1328390 399890 digits Mar 2015 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 2316794 697429 digits Oct 2025 Benjamin Glasgow; PPSE; PrimeGrid
k: 7221
max n: 2.372.114
n = 8 7 digits
n = 15 9 digits
n = 20 10 digits
n = 36 15 digits
n = 48 19 digits
n = 60 22 digits
n = 113 38 digits
n = 137 46 digits
n = 147 49 digits
n = 175 57 digits
n = 185 60 digits
n = 192 62 digits
n = 235 75 digits
n = 296 93 digits
n = 380 119 digits
n = 392 122 digits
n = 516 160 digits
n = 953 291 digits
n = 1480 450 digits
n = 1637 497 digits
n = 1900 576 digits
n = 2076 629 digits
n = 2712 821 digits
n = 3945 1192 digits 1993 Jeffrey Young
n = 5400 1630 digits
n = 6225 1878 digits
n = 9356 2821 digits
n = 9688 2921 digits
n = 18412 5547 digits
n = 20447 6160 digits
n = 28472 8575 digits
n = 28948 8719 digits
n = 42533 12808 digits
n = 97277 29288 digits
n = 199615 60094 digits
n = 312760 94155 digits
n = 326815 98385 digits
n = 337756 101679 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 367625 110671 digits May 2012 PPSE; PrimeGrid
n = 374796 112829 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 403096 121348 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 484337 145804 digits Jan 2010 Daniel J. Buckley; PSieve; srsieve; PrimeGrid; LLR
n = 649936 195655 digits Feb 2011 Andrew Maiman; PSieve; srsieve; PrimeGrid; LLR
n = 1028285 309549 digits Nov 2012 王者也; PSieve; srsieve; PrimeGrid; LLR
n = 1054488 317437 digits May 2013 Benjamin Glasgow; PSieve; srsieve; PrimeGrid; LLR
n = 1262652 380100 digits Apr 2014 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1365880 411175 digits Nov 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3368448 1014008 digits Jun 2021 Pavel Belolipetskiy; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3404507 1024863 digits Feb 2022 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7223
max n: 2.372.076
n = 1 5 digits
n = 29 13 digits
n = 253 81 digits
n = 553 171 digits
n = 697 214 digits
n = 3029 916 digits
n = 87061 26212 digits
n = 121613 36614 digits
n = 145009 43656 digits
n = 199477 60053 digits
n = 819533 246708 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1379497 415274 digits Feb 2016 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
k: 7225
max n: 2.372.763
n = 2 5 digits
n = 4 6 digits
n = 6 6 digits
n = 22 11 digits
n = 24 12 digits
n = 28 13 digits
n = 36 15 digits
n = 38 16 digits
n = 52 20 digits
n = 64 24 digits
n = 84 30 digits
n = 202 65 digits
n = 218 70 digits
n = 230 74 digits
n = 304 96 digits
n = 322 101 digits
n = 336 106 digits
n = 482 149 digits
n = 1168 356 digits
n = 1288 392 digits
n = 1584 481 digits
n = 1834 556 digits
n = 2246 680 digits
n = 3544 1071 digits 1993 Jeffrey Young
n = 4754 1435 digits 1993 Jeffrey Young
n = 6712 2025 digits Mar 1996 Patrick Demichel
n = 8934 2694 digits
n = 9624 2901 digits
n = 10284 3100 digits
n = 11320 3412 digits
n = 13970 4210 digits
n = 17338 5224 digits
n = 21592 6504 digits
n = 42076 12670 digits
n = 60314 18161 digits
n = 62752 18895 digits
n = 63220 19035 digits
n = 65124 19609 digits
n = 72070 21700 digits
n = 81290 24475 digits
n = 105424 31740 digits
n = 117280 35309 digits
n = 135876 40907 digits
n = 184270 55475 digits
n = 273674 82388 digits
n = 525688 158252 digits Jul 2010 Maciej Kowalik; PSieve; srsieve; PrimeGrid; LLR
n = 658714 198297 digits Mar 2011 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 779544 234670 digits Feb 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 808740 243459 digits Mar 2012 Jörg Meili; PSieve; srsieve; PrimeGrid; LLR
n = 1026844 309115 digits Oct 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1751760 527337 digits Jun 2023 Chase Tarson; PPSE; PrimeGrid
k: 7227
max n: 2.372.861
n = 2 5 digits
n = 6 6 digits
n = 44 18 digits
n = 146 48 digits
n = 270 86 digits
n = 618 190 digits
n = 2228 675 digits
n = 2327 705 digits
n = 2850 862 digits
n = 2858 865 digits
n = 3824 1155 digits 1993 Jeffrey Young
n = 8550 2578 digits
n = 12896 3886 digits
n = 13079 3942 digits
n = 16170 4872 digits
n = 20346 6129 digits
n = 21647 6521 digits Oct 1996 Patrick Demichel
n = 33711 10152 digits
n = 102746 30934 digits
n = 136670 41146 digits
n = 216462 65166 digits
n = 243954 73442 digits
n = 303944 91501 digits
n = 343256 103335 digits Apr 2012 Mark Doom; PPSE; PrimeGrid
n = 364014 109583 digits May 2012 Richard Kapek; PPSE; PrimeGrid
n = 466703 140496 digits Sep 2009 Michael Millette; srsieve; PrimeGrid; LLR
n = 769394 231615 digits Feb 2012 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1027151 309208 digits Oct 2012 Kingsley Jarrett; PSieve; srsieve; PrimeGrid; LLR
n = 1072928 322988 digits May 2013 Marshall Bishop; PSieve; srsieve; PrimeGrid; OpenPFGW; LLR
n = 2350266 707505 digits Mar 2026 Ryo Takahashi; PPSE; PrimeGrid
k: 7229
max n: 2.373.296
n = 9 7 digits
n = 25 12 digits
n = 27 12 digits
n = 45 18 digits
n = 103 35 digits
n = 105 36 digits
n = 1201 366 digits
n = 1237 377 digits
n = 2259 684 digits
n = 5325 1607 digits
n = 8787 2650 digits
n = 16461 4960 digits
n = 20299 6115 digits
n = 23125 6966 digits
n = 69037 20787 digits
n = 69349 20880 digits
n = 305925 92097 digits
n = 641353 193071 digits Feb 2011 Choi Yooil; PSieve; srsieve; PrimeGrid; LLR
n = 683601 205789 digits Aug 2011 Peter Verstappen; PSieve; srsieve; PrimeGrid; LLR
n = 902085 271559 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1058835 318745 digits May 2013 Jedidiah OBrien; PSieve; srsieve; PrimeGrid; LLR
n = 2250067 677342 digits Mar 2025 Matthew Hilbrink; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7231
max n: 2.372.711
n = 16 9 digits
n = 20 10 digits
n = 40 16 digits
n = 44 18 digits
n = 64 24 digits
n = 72 26 digits
n = 92 32 digits
n = 472 146 digits
n = 1392 423 digits
n = 1492 453 digits
n = 2976 900 digits
n = 3184 963 digits
n = 4852 1465 digits 1993 Jeffrey Young
n = 13060 3936 digits
n = 29912 9009 digits
n = 38020 11450 digits
n = 52480 15802 digits
n = 57748 17388 digits
n = 151940 45743 digits
n = 190088 57227 digits
n = 289108 87035 digits
n = 436444 131387 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
k: 7233
max n: 2.372.548
n = 2 5 digits
n = 8 7 digits
n = 18 10 digits
n = 20 10 digits
n = 48 19 digits
n = 50 19 digits
n = 68 25 digits
n = 80 28 digits
n = 152 50 digits
n = 200 65 digits
n = 250 80 digits
n = 264 84 digits
n = 510 158 digits
n = 542 168 digits
n = 578 178 digits
n = 612 189 digits
n = 622 192 digits
n = 964 295 digits
n = 4277 1292 digits 1993 Jeffrey Young
n = 4372 1320 digits 1993 Jeffrey Young
n = 5058 1527 digits
n = 5168 1560 digits
n = 7394 2230 digits
n = 8237 2484 digits
n = 12488 3764 digits
n = 13132 3957 digits
n = 24512 7383 digits
n = 55181 16615 digits
n = 57318 17259 digits May 1999 Tadashi Taura; Proth
n = 81637 24580 digits
n = 88968 26786 digits
n = 121824 36677 digits
n = 128432 38666 digits
n = 165373 49787 digits
n = 367220 110549 digits May 2012 PPSE; PrimeGrid
n = 411964 124018 digits Sep 2012 Bart Kus; PPSE; PrimeGrid
n = 422472 127181 digits Nov 2012 Bart Kus; PPSE; PrimeGrid
n = 453284 136456 digits May 2009 Thomas Leranth; srsieve; PrimeGrid; LLR
n = 492128 148150 digits Mar 2010 Stephan Kirsten; PSieve; srsieve; PrimeGrid; LLR
n = 496044 149328 digits Apr 2010 Steve Martin; PSieve; srsieve; PrimeGrid; LLR
n = 605240 182200 digits Jan 2011 Falk Krause; PSieve; srsieve; PrimeGrid; LLR
n = 1127648 339460 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1439282 433271 digits Feb 2017 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2216032 667096 digits Feb 2025 Cédric Latge; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7235
max n: 2.372.830
n = 3 5 digits
n = 41 17 digits
n = 81 29 digits
n = 87 31 digits
n = 125 42 digits
n = 147 49 digits
n = 227 73 digits
n = 419 130 digits
n = 435 135 digits
n = 1221 372 digits
n = 1509 459 digits
n = 2013 610 digits
n = 2233 677 digits
n = 2905 879 digits
n = 4683 1414 digits 1993 Jeffrey Young
n = 5373 1622 digits
n = 6227 1879 digits
n = 10601 3196 digits
n = 10777 3249 digits
n = 20919 6302 digits Oct 1996 Patrick Demichel
n = 27539 8294 digits
n = 35501 10691 digits
n = 39243 11818 digits
n = 59185 17821 digits
n = 107505 32367 digits
n = 121797 36669 digits
n = 143793 43290 digits
n = 191961 57790 digits
n = 223427 67263 digits
n = 300839 90566 digits
n = 1664529 501078 digits Feb 2022 Brian Mullaney; PSieve; srsieve; PrimeGrid; LLR
n = 1748103 526236 digits Jun 2023 PPSE; PrimeGrid
k: 7237
max n: 2.373.116
n = 2 5 digits
n = 4 6 digits
n = 26 12 digits
n = 208 67 digits
n = 236 75 digits
n = 698 214 digits
n = 1562 475 digits
n = 1712 520 digits
n = 2102 637 digits
n = 9662 2913 digits
n = 12338 3718 digits
n = 22552 6793 digits
n = 72712 21893 digits
n = 74498 22430 digits
n = 126232 38004 digits
n = 388328 116903 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 528788 159185 digits Jul 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1574336 473927 digits Feb 2020 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
k: 7239
max n: 2.372.790
n = 1 5 digits
n = 6 6 digits
n = 9 7 digits
n = 26 12 digits
n = 29 13 digits
n = 37 15 digits
n = 38 16 digits
n = 42 17 digits
n = 67 25 digits
n = 70 25 digits
n = 86 30 digits
n = 127 43 digits
n = 166 54 digits
n = 181 59 digits
n = 250 80 digits
n = 270 86 digits
n = 278 88 digits
n = 317 100 digits
n = 366 115 digits
n = 463 144 digits
n = 466 145 digits
n = 471 146 digits
n = 483 150 digits
n = 514 159 digits
n = 547 169 digits
n = 763 234 digits
n = 766 235 digits
n = 1099 335 digits
n = 1226 373 digits
n = 1466 446 digits
n = 1642 499 digits
n = 2933 887 digits
n = 4014 1213 digits 1993 Jeffrey Young
n = 4263 1288 digits 1993 Jeffrey Young
n = 7829 2361 digits
n = 11930 3596 digits
n = 12422 3744 digits
n = 13567 4088 digits
n = 13707 4131 digits
n = 27591 8310 digits
n = 28233 8503 digits
n = 39390 11862 digits
n = 62001 18669 digits
n = 64149 19315 digits
n = 81722 24605 digits
n = 82373 24801 digits
n = 95161 28651 digits
n = 179198 53948 digits
n = 210706 63433 digits
n = 217361 65437 digits
n = 266974 80372 digits
n = 374593 112768 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 390406 117528 digits Jul 2012 Adrian Schori; PPSE; PrimeGrid
n = 436899 131524 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 934658 281364 digits Jul 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1056979 318187 digits May 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2013470 606119 digits Nov 2024 Hugh Myers; PPSE; PrimeGrid
k: 7241
max n: 2.372.792
n = 15 9 digits
n = 21 11 digits
n = 23 11 digits
n = 33 14 digits
n = 129 43 digits
n = 155 51 digits
n = 173 56 digits
n = 293 93 digits
n = 335 105 digits
n = 689 212 digits
n = 951 291 digits
n = 1223 373 digits
n = 1325 403 digits
n = 1413 430 digits
n = 1931 586 digits
n = 2301 697 digits
n = 2721 823 digits
n = 3449 1043 digits 1993 Jeffrey Young
n = 4313 1303 digits 1993 Jeffrey Young
n = 5265 1589 digits
n = 6239 1882 digits
n = 35331 10640 digits
n = 39215 11809 digits
n = 104345 31415 digits
n = 118151 35571 digits
n = 125349 37738 digits
n = 163701 49283 digits
n = 324381 97653 digits
n = 414171 124682 digits Oct 2012 Ronny Willig; PPSE; PrimeGrid
k: 7243
max n: 2.372.625
n = 22 11 digits
n = 24 12 digits
n = 42 17 digits
n = 96 33 digits
n = 102 35 digits
n = 118 40 digits
n = 130 43 digits
n = 154 51 digits
n = 222 71 digits
n = 234 75 digits
n = 238 76 digits
n = 280 89 digits
n = 282 89 digits
n = 598 184 digits
n = 624 192 digits
n = 694 213 digits
n = 1806 548 digits
n = 2178 660 digits
n = 2214 671 digits
n = 4782 1444 digits 1993 Jeffrey Young
n = 5710 1723 digits
n = 7966 2402 digits
n = 22546 6791 digits
n = 22962 6917 digits
n = 26506 7983 digits
n = 38410 11567 digits
n = 38614 11628 digits
n = 45346 13655 digits
n = 45894 13820 digits
n = 75258 22659 digits
n = 94840 28554 digits
n = 180870 54452 digits
n = 195178 58759 digits
n = 1650178 496757 digits Dec 2021 Phil Lachance; PSieve; srsieve; PrimeGrid; LLR
n = 2024254 609366 digits Dec 2024 Kai Presler; PPSE; PrimeGrid
k: 7245
max n: 2.372.861
n = 5 6 digits
n = 7 6 digits
n = 9 7 digits
n = 12 8 digits
n = 14 9 digits
n = 17 9 digits
n = 19 10 digits
n = 27 12 digits
n = 66 24 digits
n = 69 25 digits
n = 72 26 digits
n = 95 33 digits
n = 102 35 digits
n = 105 36 digits
n = 107 37 digits
n = 109 37 digits
n = 162 53 digits
n = 163 53 digits
n = 170 56 digits
n = 205 66 digits
n = 224 72 digits
n = 237 76 digits
n = 297 94 digits
n = 444 138 digits
n = 655 202 digits
n = 696 214 digits
n = 783 240 digits
n = 907 277 digits
n = 957 292 digits
n = 1052 321 digits
n = 1272 387 digits
n = 1306 398 digits
n = 1382 420 digits
n = 1974 599 digits
n = 5133 1550 digits
n = 5454 1646 digits
n = 6980 2106 digits Mar 1996 Patrick Demichel
n = 7405 2233 digits
n = 8283 2498 digits
n = 8899 2683 digits
n = 11325 3414 digits
n = 13629 4107 digits
n = 15152 4566 digits
n = 18561 5592 digits
n = 19383 5839 digits
n = 19445 5858 digits
n = 22242 6700 digits
n = 22589 6804 digits
n = 24785 7465 digits
n = 41962 12636 digits
n = 45642 13744 digits
n = 49892 15023 digits
n = 51516 15512 digits
n = 53575 16132 digits
n = 60037 18077 digits
n = 72054 21695 digits
n = 76946 23167 digits
n = 86201 25953 digits
n = 100349 30212 digits
n = 110982 33413 digits
n = 158489 47714 digits
n = 191611 57685 digits
n = 319062 96052 digits
n = 360477 108519 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 373856 112546 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 423735 127561 digits Nov 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 439099 132186 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 448464 135005 digits Jan 2013 Pietari Snow; PPSE; PrimeGrid
n = 459567 138348 digits Jun 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 509930 153509 digits Jun 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 562663 169383 digits Oct 2010 Julie Clark; PSieve; srsieve; PrimeGrid; LLR
n = 634665 191058 digits Feb 2011 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 790376 237931 digits Mar 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1023857 308216 digits Oct 2012 Yegor Ryabchikov; PSieve; srsieve; PrimeGrid; LLR
n = 1440483 433633 digits Feb 2017 Daniel Frużyński; PSieve; srsieve; PrimeGrid; LLR
n = 1550087 466627 digits Nov 2019 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1633209 491649 digits Feb 2021 Roman Trunov; PSieve; srsieve; PrimeGrid; LLR
n = 1650240 496776 digits Dec 2021 Craig Whyte; PSieve; srsieve; PrimeGrid; LLR
n = 1685553 507406 digits Apr 2022 Honza Cholt; PPSE; PrimeGrid
n = 1788479 538390 digits Dec 2023 Hugh Myers; PPSE; PrimeGrid
n = 2123382 639206 digits Jan 2025 Itsuki Kadowaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3461070 1041890 digits Feb 2023 Keith Reinhardt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7247
max n: 2.372.886
n = 3 5 digits
n = 31 14 digits
n = 43 17 digits
n = 47 19 digits
n = 251 80 digits
n = 523 162 digits
n = 927 283 digits
n = 2923 884 digits
n = 2987 904 digits
n = 8907 2686 digits
n = 11047 3330 digits
n = 38387 11560 digits
n = 40291 12133 digits
n = 124655 37529 digits
n = 154183 46418 digits
n = 793451 238857 digits Mar 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 1020603 307236 digits Oct 2012 Alex Nabok; PSieve; srsieve; PrimeGrid; LLR
n = 1255827 378046 digits Apr 2014 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 7249
max n: 2.372.873
n = 18 10 digits
n = 34 15 digits
n = 42 17 digits
n = 54 21 digits
n = 66 24 digits
n = 1042 318 digits
n = 1266 385 digits
n = 5354 1616 digits
n = 11898 3586 digits
n = 15898 4790 digits
n = 18106 5455 digits
n = 20918 6301 digits
n = 29754 8961 digits
n = 51870 15619 digits
n = 259090 77998 digits
n = 472370 142202 digits Oct 2009 Fred Richard; srsieve; PrimeGrid; LLR
n = 716598 215722 digits Nov 2011 Tetsuya Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 757122 227921 digits Feb 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 916218 275813 digits Jun 2012 Justin Keenan; PSieve; srsieve; PrimeGrid; LLR
n = 2321642 698888 digits Nov 2025 Patrick Schöfer; PPSE; PrimeGrid
k: 7251
max n: 2.372.550
n = 1 5 digits
n = 11 8 digits
n = 17 9 digits
n = 31 14 digits
n = 73 26 digits
n = 121 41 digits
n = 196 63 digits
n = 319 100 digits
n = 347 109 digits
n = 367 115 digits
n = 859 263 digits
n = 3745 1132 digits 1993 Jeffrey Young
n = 4228 1277 digits 1993 Jeffrey Young
n = 7049 2126 digits
n = 13960 4207 digits
n = 27497 8282 digits
n = 45551 13717 digits
n = 50233 15126 digits Apr 2002 Göran Axelsson; Proth
n = 58996 17764 digits
n = 80767 24318 digits
n = 101891 30677 digits
n = 116593 35102 digits
n = 136279 41028 digits
n = 166505 50127 digits
n = 174889 52651 digits
n = 188953 56885 digits
n = 620215 186708 digits Feb 2011 Steve Martin; PSieve; srsieve; PrimeGrid; LLR
n = 643732 193787 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 696187 209578 digits Sep 2011 Kasper Agg; PSieve; srsieve; PrimeGrid; LLR
n = 1166051 351021 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1813295 545861 digits Jan 2024 LeRoy Blanchard; PPSE; PrimeGrid
k: 7253
max n: 2.372.736
n = 69 25 digits
n = 241 77 digits
n = 5801 1751 digits
n = 10997 3315 digits
n = 33829 10188 digits
n = 65989 19869 digits
n = 70017 21082 digits
n = 111061 33437 digits
n = 307457 92558 digits
n = 1109777 334081 digits Jul 2013 Jan Haller; PSieve; srsieve; PrimeGrid; LLR
k: 7255
max n: 2.372.987
n = 2 5 digits
n = 8 7 digits
n = 24 12 digits
n = 60 22 digits
n = 72 26 digits
n = 194 63 digits
n = 434 135 digits
n = 1824 553 digits
n = 3602 1089 digits 1993 Jeffrey Young
n = 15674 4723 digits
n = 18452 5559 digits
n = 103740 31233 digits
n = 114152 34368 digits
n = 817388 246063 digits Apr 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 858860 258547 digits May 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 887988 267315 digits Jun 2012 Filip Stefaniak; PSieve; srsieve; PrimeGrid; LLR
n = 1203032 362153 digits Dec 2013 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 1463040 440423 digits Dec 2017 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1510824 454808 digits Jan 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1619352 487478 digits Feb 2021 Wolfram Glatte; PSieve; srsieve; PrimeGrid; LLR
n = 1679108 505466 digits Mar 2022 Joop Terwisscha; PPSE; PrimeGrid
n = 1966128 591868 digits May 2024 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7257
max n: 2.372.883
n = 3 5 digits
n = 4 6 digits
n = 10 7 digits
n = 16 9 digits
n = 24 12 digits
n = 27 12 digits
n = 88 31 digits
n = 220 71 digits
n = 370 116 digits
n = 456 142 digits
n = 603 186 digits
n = 708 217 digits
n = 868 266 digits
n = 1635 497 digits
n = 2040 618 digits
n = 2314 701 digits
n = 2820 853 digits
n = 3291 995 digits
n = 7150 2157 digits
n = 9547 2878 digits
n = 14260 4297 digits
n = 49704 14967 digits
n = 55084 16586 digits May 1999 Tadashi Taura; Proth
n = 113938 34303 digits
n = 127326 38333 digits
n = 138984 41843 digits
n = 162838 49023 digits
n = 174436 52515 digits
n = 255820 77014 digits
n = 321690 96843 digits
n = 361104 108707 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 468940 141169 digits Sep 2009 Lukas Hron; srsieve; PrimeGrid; LLR
n = 496354 149422 digits Apr 2010 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 616576 185612 digits Jan 2011 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 649348 195478 digits Feb 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 725278 218335 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 728400 219275 digits Feb 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1312356 395063 digits Feb 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1871091 563259 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2015848 606835 digits Dec 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 2089108 628889 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7259
max n: 2.373.275
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 23 11 digits
n = 119 40 digits
n = 145 48 digits
n = 163 53 digits
n = 223 71 digits
n = 255 81 digits
n = 2543 770 digits
n = 3905 1180 digits 1993 Jeffrey Young
n = 5287 1596 digits
n = 5725 1728 digits
n = 5965 1800 digits
n = 10563 3184 digits
n = 16285 4907 digits
n = 23905 7200 digits
n = 26545 7995 digits
n = 27481 8277 digits
n = 37819 11389 digits
n = 38425 11571 digits
n = 93665 28200 digits
n = 115851 34879 digits
n = 120571 36300 digits
n = 161911 48744 digits
n = 292627 88094 digits
n = 566261 170466 digits Oct 2010 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 722947 217633 digits Nov 2011 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1080785 325353 digits May 2013 Philip Poon; PSieve; srsieve; PrimeGrid; LLR
n = 1541791 464130 digits Jul 2019 Christophe Clavier; PSieve; srsieve; PrimeGrid; LLR
n = 2219635 668181 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2363245 711412 digits May 2026 Robert Coplin; PPSE; PrimeGrid
k: 7261
max n: 2.373.191
n = 4 6 digits
n = 20 10 digits
n = 36 15 digits
n = 64 24 digits
n = 204 66 digits
n = 360 113 digits
n = 400 125 digits
n = 1044 319 digits
n = 1572 478 digits
n = 2276 690 digits
n = 2364 716 digits
n = 48616 14639 digits
n = 49320 14851 digits
n = 94180 28355 digits
n = 191720 57718 digits
n = 217536 65489 digits Oct 2005 Douglas Stones; LLR
n = 226784 68273 digits
n = 414924 124909 digits Oct 2012 James Boerner; PPSE; PrimeGrid
n = 1013136 304989 digits Oct 2012 Bryan Lord; PSieve; srsieve; PrimeGrid; LLR
n = 1220572 367433 digits Dec 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1368776 412047 digits Dec 2015 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 3328740 1002055 digits Feb 2020 Nick Merrylees; PSieve; srsieve; PrimeGrid; LLR
k: 7263
max n: 2.372.597
n = 5 6 digits
n = 8 7 digits
n = 9 7 digits
n = 14 9 digits
n = 16 9 digits
n = 20 10 digits
n = 21 11 digits
n = 38 16 digits
n = 41 17 digits
n = 53 20 digits
n = 81 29 digits
n = 86 30 digits
n = 93 32 digits
n = 150 50 digits
n = 189 61 digits
n = 261 83 digits
n = 272 86 digits
n = 473 147 digits
n = 549 170 digits
n = 809 248 digits
n = 1033 315 digits
n = 2221 673 digits
n = 5576 1683 digits
n = 5936 1791 digits
n = 7214 2176 digits
n = 10502 3166 digits
n = 10745 3239 digits
n = 26112 7865 digits
n = 26949 8117 digits
n = 32269 9718 digits
n = 35492 10689 digits
n = 69865 21036 digits
n = 209164 62969 digits
n = 311214 93689 digits
n = 490358 147617 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 952704 286797 digits Jul 2012 Jedidiah OBrien; PSieve; srsieve; PrimeGrid; LLR
n = 1086712 327137 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1468208 441979 digits Feb 2018 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1754430 528140 digits Jul 2023 Yifei Gao; PPSE; PrimeGrid
n = 1853116 557848 digits Jan 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1981101 596375 digits Jul 2024 Hongwen Luo; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7265
max n: 2.372.608
n = 17 9 digits
n = 29 13 digits
n = 103 35 digits
n = 137 46 digits
n = 637 196 digits
n = 989 302 digits
n = 3265 987 digits
n = 5045 1523 digits
n = 37069 11163 digits
n = 126845 38189 digits
n = 161837 48722 digits
k: 7267
max n: 2.372.011
n = 4 6 digits
n = 6 6 digits
n = 10 7 digits
n = 12 8 digits
n = 16 9 digits
n = 24 12 digits
n = 26 12 digits
n = 36 15 digits
n = 54 21 digits
n = 114 39 digits
n = 134 45 digits
n = 200 65 digits
n = 392 122 digits
n = 394 123 digits
n = 404 126 digits
n = 1956 593 digits
n = 2370 718 digits
n = 27714 8347 digits
n = 66630 20062 digits
n = 83084 25015 digits
n = 128592 38714 digits
n = 230552 69407 digits
n = 343012 103261 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 379384 114210 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 395950 119197 digits Jul 2012 Ulrich Fries; PPSE; PrimeGrid
n = 561136 168923 digits Oct 2010 Christian Beaumet; PSieve; srsieve; PrimeGrid; LLR
n = 827784 249192 digits Apr 2012 Bogdan F. Horotan; PSieve; srsieve; PrimeGrid; LLR
n = 973974 293200 digits Aug 2012 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1042290 313765 digits Jan 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1448444 436029 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1662146 500360 digits Feb 2022 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 1688886 508410 digits May 2022 Honza Cholt; PPSE; PrimeGrid
n = 2011466 605516 digits Nov 2024 Gregory Bennett; PPSE; PrimeGrid
n = 2329540 701266 digits Dec 2025 Robert Lacroix; PPSE; PrimeGrid
k: 7269
max n: 2.372.849
n = 2 5 digits
n = 3 5 digits
n = 18 10 digits
n = 45 18 digits
n = 50 19 digits
n = 147 49 digits
n = 150 50 digits
n = 194 63 digits
n = 273 87 digits
n = 378 118 digits
n = 1103 336 digits
n = 1542 469 digits
n = 1755 533 digits
n = 2487 753 digits
n = 3414 1032 digits 1993 Jeffrey Young
n = 3495 1056 digits 1993 Jeffrey Young
n = 5925 1788 digits
n = 7058 2129 digits
n = 8567 2583 digits May 1996 Patrick Demichel
n = 10614 3199 digits
n = 19245 5798 digits
n = 23678 7132 digits
n = 34722 10457 digits
n = 35685 10747 digits
n = 41154 12393 digits
n = 54594 16439 digits
n = 59853 18022 digits May 1999 Tadashi Taura; Proth
n = 137943 41529 digits
n = 300458 90451 digits
n = 441590 132936 digits Dec 2012 Göran Schmidt; PPSE; PrimeGrid
n = 780602 234989 digits Mar 2012 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 988365 297532 digits Sep 2012 Marian Vicena; PSieve; srsieve; PrimeGrid; LLR
n = 1155474 347837 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1276455 384256 digits Jun 2014 Jason Duerstock; PSieve; srsieve; PrimeGrid; LLR
n = 1301943 391928 digits Feb 2015 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
n = 1691027 509054 digits May 2022 Yevhen Vasiliu; PPSE; PrimeGrid
k: 7271
max n: 2.372.498
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 15 9 digits
n = 21 11 digits
n = 43 17 digits
n = 45 18 digits
n = 205 66 digits
n = 241 77 digits
n = 441 137 digits
n = 1467 446 digits
n = 2509 760 digits
n = 3859 1166 digits 1993 Jeffrey Young
n = 4593 1387 digits 1993 Jeffrey Young
n = 12807 3860 digits
n = 13579 4092 digits Feb 1998 Baptiste Heyman; Proth
n = 22903 6899 digits
n = 61981 18663 digits
n = 63507 19122 digits
n = 208641 62812 digits
n = 222663 67033 digits
n = 245115 73791 digits
n = 326175 98193 digits
n = 860811 259134 digits May 2012 Tony Gott; PSieve; srsieve; PrimeGrid; LLR
n = 897801 270269 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 944253 284253 digits Jul 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1150093 346217 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1631169 491035 digits Feb 2021 Bob Calvin; PSieve; srsieve; PrimeGrid; LLR
k: 7273
max n: 2.373.321
n = 8 7 digits
n = 12 8 digits
n = 18 10 digits
n = 42 17 digits
n = 62 23 digits
n = 122 41 digits
n = 128 43 digits
n = 198 64 digits
n = 420 131 digits
n = 978 299 digits
n = 1136 346 digits
n = 1342 408 digits
n = 1552 472 digits
n = 5418 1635 digits
n = 5590 1687 digits
n = 7742 2335 digits May 1996 Patrick Demichel
n = 14172 4271 digits
n = 14292 4307 digits
n = 14422 4346 digits
n = 63328 19068 digits
n = 64856 19528 digits
n = 69898 21046 digits
n = 81342 24491 digits
n = 139358 41955 digits
n = 191062 57520 digits
n = 224676 67639 digits
n = 325196 97898 digits
n = 518516 156093 digits Jun 2010 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 574812 173040 digits Nov 2010 Joshua Brandelle Sklare; PSieve; srsieve; PrimeGrid; LLR
n = 1181522 355678 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2036558 613069 digits Dec 2024 LeRoy Blanchard; PPSE; PrimeGrid
n = 2207460 664516 digits Feb 2025 Itsuki Kadowaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7275
max n: 2.372.637
n = 1 5 digits
n = 2 5 digits
n = 5 6 digits
n = 12 8 digits
n = 20 10 digits
n = 21 11 digits
n = 30 13 digits
n = 31 14 digits
n = 37 15 digits
n = 42 17 digits
n = 65 24 digits
n = 92 32 digits
n = 108 37 digits
n = 118 40 digits
n = 131 44 digits
n = 220 71 digits
n = 295 93 digits
n = 297 94 digits
n = 301 95 digits
n = 307 97 digits
n = 347 109 digits
n = 477 148 digits
n = 597 184 digits
n = 785 241 digits
n = 822 252 digits
n = 1857 563 digits
n = 1858 564 digits
n = 2010 609 digits
n = 3038 919 digits
n = 3102 938 digits
n = 4597 1388 digits 1993 Jeffrey Young
n = 4958 1497 digits 1993 Jeffrey Young
n = 5202 1570 digits
n = 5637 1701 digits
n = 6467 1951 digits
n = 6799 2051 digits Mar 1996 Patrick Demichel
n = 8701 2624 digits
n = 10558 3183 digits
n = 11430 3445 digits Nov 1999 Alfredo Cano; Proth
n = 14146 4263 digits
n = 14421 4346 digits
n = 20826 6274 digits
n = 29702 8946 digits
n = 34571 10411 digits
n = 42095 12676 digits
n = 50137 15097 digits May 1999 Tadashi Taura; Proth
n = 124797 37572 digits
n = 136677 41148 digits
n = 146959 44243 digits
n = 350087 105391 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 355829 107120 digits May 2012 PPSE; PrimeGrid
n = 398478 119958 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 812625 244629 digits Mar 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 861031 259201 digits May 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1110967 334439 digits Jul 2013 Josef Matousek; PSieve; srsieve; PrimeGrid; LLR
n = 1837178 553050 digits Jan 2024 Kai Presler; PPSE; PrimeGrid
n = 1842822 554749 digits Jan 2024 Alen Kecic; PPSE; PrimeGrid
n = 1912221 575640 digits Feb 2024 Detlef Erdmann; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7277
max n: 2.373.374
n = 3 5 digits
n = 11 8 digits
n = 15 9 digits
n = 19 10 digits
n = 91 32 digits
n = 95 33 digits
n = 163 53 digits
n = 675 208 digits
n = 1311 399 digits
n = 2243 680 digits
n = 2495 755 digits
n = 3083 932 digits
n = 4235 1279 digits 1993 Jeffrey Young
n = 22043 6640 digits
n = 32111 9671 digits
n = 38739 11666 digits
n = 74323 22378 digits
n = 420059 126455 digits Oct 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 540355 162667 digits Aug 2010 Michael Herman; PSieve; srsieve; PrimeGrid; LLR
n = 888151 267364 digits Jun 2012 Benjamin Alvarado; PSieve; srsieve; PrimeGrid; LLR
n = 1221923 367840 digits Dec 2013 Michael Dörscheln; PSieve; srsieve; PrimeGrid; LLR
k: 7279
max n: 2.373.374
n = 10 7 digits
n = 14 9 digits
n = 74 27 digits
n = 3538 1069 digits 1993 Jeffrey Young
n = 8114 2447 digits
n = 12578 3791 digits
n = 37426 11271 digits
n = 131054 39456 digits May 2001 Jim Fougeron; FermFact; OpenPFGW
n = 525154 158091 digits Jul 2010 Adrian Schori; PSieve; srsieve; PrimeGrid; LLR
k: 7281
max n: 2.372.656
n = 1 5 digits
n = 9 7 digits
n = 11 8 digits
n = 15 9 digits
n = 17 9 digits
n = 19 10 digits
n = 32 14 digits
n = 39 16 digits
n = 49 19 digits
n = 87 31 digits
n = 101 35 digits
n = 121 41 digits
n = 184 60 digits
n = 219 70 digits
n = 261 83 digits
n = 332 104 digits
n = 387 121 digits
n = 496 154 digits
n = 696 214 digits
n = 767 235 digits
n = 791 242 digits
n = 956 292 digits
n = 1292 393 digits
n = 1435 436 digits
n = 1496 455 digits
n = 1757 533 digits
n = 1967 596 digits
n = 2291 694 digits
n = 6377 1924 digits
n = 7631 2302 digits
n = 9756 2941 digits
n = 9759 2942 digits
n = 12336 3718 digits
n = 14251 4294 digits
n = 17304 5213 digits
n = 24767 7460 digits
n = 24891 7497 digits
n = 30856 9293 digits
n = 36075 10864 digits
n = 67001 20174 digits Aug 1997 Chris Caldwell; Dubner Cruncher
n = 75687 22788 digits
n = 88501 26646 digits
n = 112919 33996 digits
n = 148979 44852 digits
n = 166941 50259 digits
n = 169921 51156 digits
n = 205259 61793 digits
n = 217399 65448 digits
n = 345372 103972 digits Apr 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 374041 112602 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 406139 122264 digits Aug 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 453321 136468 digits May 2009 Geoff Westphal; srsieve; PrimeGrid; LLR
n = 548081 164993 digits Sep 2010 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 582804 175446 digits Nov 2010 Donald Hatland; PSieve; srsieve; PrimeGrid; LLR
n = 723797 217889 digits Dec 2011 John Williams; PSieve; srsieve; PrimeGrid; LLR
n = 727755 219080 digits Feb 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 749755 225703 digits Feb 2012 Lammert van der Veen; PSieve; srsieve; PrimeGrid; LLR
n = 978777 294646 digits Sep 2012 Tim Rickard; PSieve; srsieve; PrimeGrid; LLR
n = 1534384 461900 digits Mar 2019 Louis Helm; PSieve; srsieve; PrimeGrid; LLR
n = 2179936 656230 digits Feb 2025 Jörg Bravin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7283
max n: 2.373.317
n = 57 22 digits
n = 533 165 digits
n = 2381 721 digits
n = 5213 1574 digits
n = 7613 2296 digits
n = 8993 2712 digits
n = 308993 93021 digits
n = 598877 180284 digits Dec 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
k: 7285
max n: 2.373.039
n = 10 7 digits
n = 12 8 digits
n = 16 9 digits
n = 18 10 digits
n = 28 13 digits
n = 30 13 digits
n = 40 16 digits
n = 48 19 digits
n = 88 31 digits
n = 124 42 digits
n = 234 75 digits
n = 424 132 digits
n = 592 183 digits
n = 2430 736 digits
n = 2896 876 digits
n = 3306 1000 digits 1993 Jeffrey Young
n = 4660 1407 digits 1993 Jeffrey Young
n = 7752 2338 digits May 1996 Patrick Demichel
n = 10072 3036 digits
n = 10110 3048 digits
n = 15400 4640 digits
n = 19576 5897 digits
n = 26616 8017 digits
n = 36400 10962 digits
n = 50148 15100 digits
n = 65002 19572 digits
n = 89716 27012 digits
n = 99018 29812 digits
n = 208126 62657 digits
n = 356704 107383 digits May 2012 David Yost; PPSE; PrimeGrid
n = 639558 192531 digits Feb 2011 Heinz Ming; PSieve; srsieve; PrimeGrid; LLR
n = 766048 230608 digits Feb 2012 Ulrich Hartel; PSieve; srsieve; PrimeGrid; LLR
n = 1040062 313094 digits Jan 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1911378 575386 digits Feb 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7287
max n: 2.372.601
n = 4 6 digits
n = 6 6 digits
n = 16 9 digits
n = 27 12 digits
n = 34 15 digits
n = 60 22 digits
n = 126 42 digits
n = 158 52 digits
n = 183 59 digits
n = 192 62 digits
n = 202 65 digits
n = 220 71 digits
n = 270 86 digits
n = 756 232 digits
n = 762 234 digits
n = 798 245 digits
n = 1095 334 digits
n = 1210 369 digits
n = 2938 889 digits
n = 3170 959 digits
n = 3359 1016 digits 1993 Jeffrey Young
n = 3654 1104 digits 1993 Jeffrey Young
n = 3860 1166 digits 1993 Jeffrey Young
n = 5159 1557 digits
n = 6320 1907 digits
n = 7542 2275 digits
n = 10014 3019 digits
n = 12352 3723 digits
n = 16890 5089 digits
n = 17536 5283 digits
n = 18570 5594 digits
n = 21638 6518 digits Oct 1996 Patrick Demichel
n = 27596 8312 digits
n = 28676 8637 digits
n = 33110 9971 digits
n = 36534 11002 digits
n = 41592 12525 digits
n = 60108 18099 digits May 1999 Tadashi Taura; Proth
n = 127704 38447 digits
n = 151824 45708 digits
n = 152484 45907 digits
n = 199452 60045 digits
n = 204034 61425 digits
n = 207735 62539 digits
n = 261588 78750 digits
n = 281034 84604 digits
n = 323294 97326 digits
n = 524295 157833 digits Jul 2010 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 765119 230328 digits Feb 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 885534 266577 digits May 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 909414 273765 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1000650 301230 digits Sep 2012 Marian Vicena; PSieve; srsieve; PrimeGrid; LLR
n = 1334018 401584 digits May 2015 Susanne Haußer; PSieve; srsieve; PrimeGrid; LLR
n = 1590918 478918 digits Sep 2020 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 2284715 687772 digits Jun 2025 PPSE; PrimeGrid
n = 3467938 1043958 digits Apr 2023 Anonymous; LLR2; PSieve; srsieve; Science United; PrimeGrid; LLR
k: 7289
max n: 2.372.832
n = 3 5 digits
n = 9 7 digits
n = 13 8 digits
n = 17 9 digits
n = 23 11 digits
n = 29 13 digits
n = 35 15 digits
n = 41 17 digits
n = 77 28 digits
n = 95 33 digits
n = 107 37 digits
n = 111 38 digits
n = 333 105 digits
n = 535 165 digits
n = 671 206 digits
n = 723 222 digits
n = 741 227 digits
n = 979 299 digits
n = 1857 563 digits
n = 2261 685 digits
n = 3139 949 digits
n = 5553 1676 digits
n = 6993 2109 digits Mar 1996 Patrick Demichel
n = 10101 3045 digits
n = 10777 3249 digits
n = 15315 4615 digits
n = 18519 5579 digits
n = 28157 8480 digits
n = 33023 9945 digits Jun 1999 Mark R. Coffey; Proth
n = 44133 13290 digits
n = 45749 13776 digits
n = 47073 14175 digits
n = 63413 19094 digits
n = 162217 48837 digits
n = 194601 58585 digits
n = 448415 134991 digits Jan 2013 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 1101323 331536 digits Jul 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1129949 340153 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1184837 356676 digits Oct 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2151201 647580 digits Feb 2025 Benjamin Schiwik; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2201923 662849 digits Feb 2025 Mikko-Pekka Leinonen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2245467 675957 digits Mar 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7291
max n: 2.372.903
n = 4 6 digits
n = 16 9 digits
n = 24 12 digits
n = 64 24 digits
n = 140 47 digits
n = 168 55 digits
n = 328 103 digits
n = 620 191 digits
n = 724 222 digits
n = 864 264 digits
n = 880 269 digits
n = 1416 431 digits
n = 1664 505 digits
n = 2748 832 digits
n = 3344 1011 digits 1993 Jeffrey Young
n = 6088 1837 digits
n = 7500 2262 digits
n = 11740 3538 digits
n = 13992 4216 digits
n = 30276 9118 digits
n = 50520 15212 digits
n = 530532 159710 digits Jul 2010 Jarrod Trainque; PSieve; srsieve; PrimeGrid; LLR
n = 881604 265394 digits May 2012 Marc Koschewski; PSieve; srsieve; PrimeGrid; LLR
k: 7293
max n: 2.373.220
n = 2 5 digits
n = 4 6 digits
n = 8 7 digits
n = 14 9 digits
n = 25 12 digits
n = 26 12 digits
n = 34 15 digits
n = 38 16 digits
n = 70 25 digits
n = 74 27 digits
n = 82 29 digits
n = 94 33 digits
n = 98 34 digits
n = 109 37 digits
n = 118 40 digits
n = 137 46 digits
n = 148 49 digits
n = 322 101 digits
n = 388 121 digits
n = 422 131 digits
n = 440 137 digits
n = 529 164 digits
n = 1186 361 digits
n = 1316 401 digits
n = 1328 404 digits
n = 1498 455 digits
n = 1994 605 digits
n = 2018 612 digits
n = 2398 726 digits
n = 2894 876 digits
n = 3668 1109 digits 1993 Jeffrey Young
n = 4606 1391 digits 1993 Jeffrey Young
n = 5938 1792 digits
n = 6661 2010 digits Mar 1996 Patrick Demichel
n = 22189 6684 digits
n = 23206 6990 digits
n = 31285 9422 digits
n = 40561 12214 digits
n = 48820 14701 digits
n = 52849 15913 digits
n = 88630 26685 digits
n = 97462 29343 digits
n = 238856 71907 digits
n = 258857 77928 digits
n = 347908 104735 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 373460 112427 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 393497 118459 digits Jul 2012 Bruce Southey; PPSE; PrimeGrid
n = 604237 181898 digits Jan 2011 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 1437788 432822 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1689304 508536 digits May 2022 Honza Cholt; PPSE; PrimeGrid
n = 1707124 513900 digits Aug 2022 Damián Silvestre; PPSE; PrimeGrid
n = 1822418 548607 digits Jan 2024 Ricky L Hubbard; PPSE; PrimeGrid
n = 3419264 1029305 digits May 2022 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7295
max n: 2.372.688
n = 1 5 digits
n = 7 6 digits
n = 23 11 digits
n = 103 35 digits
n = 159 52 digits
n = 181 59 digits
n = 559 173 digits
n = 631 194 digits
n = 829 254 digits
n = 1031 315 digits
n = 1233 376 digits
n = 1549 471 digits
n = 7743 2335 digits May 1996 Patrick Demichel
n = 14759 4447 digits
n = 15911 4794 digits
n = 18001 5423 digits
n = 20343 6128 digits
n = 21709 6539 digits
n = 30325 9133 digits
n = 54047 16274 digits
n = 55199 16621 digits
n = 58293 17552 digits
n = 66319 19968 digits
n = 82609 24872 digits
n = 123213 37095 digits
n = 187999 56598 digits
n = 193055 58120 digits
n = 243553 73321 digits
n = 307381 92535 digits
n = 728605 219336 digits Feb 2012 Rick Reynolds; PSieve; srsieve; PrimeGrid; LLR
n = 1788969 538538 digits Jan 2024 Gregory Bennett; PPSE; PrimeGrid
n = 1806791 543903 digits Jan 2024 Vadim Bulanov; PPSE; PrimeGrid
n = 1811313 545264 digits Jan 2024 Samuel Williams ; PPSE; PrimeGrid
k: 7297
max n: 2.372.867
n = 6 6 digits
n = 8 7 digits
n = 14 9 digits
n = 24 12 digits
n = 32 14 digits
n = 68 25 digits
n = 104 36 digits
n = 134 45 digits
n = 270 86 digits
n = 284 90 digits
n = 384 120 digits
n = 744 228 digits
n = 2022 613 digits
n = 3284 993 digits
n = 3950 1193 digits 1993 Jeffrey Young
n = 7776 2345 digits May 1996 Patrick Demichel
n = 11516 3471 digits
n = 13764 4148 digits
n = 23246 7002 digits
n = 27308 8225 digits
n = 57212 17227 digits
n = 79044 23799 digits
n = 206252 62092 digits
n = 338784 101989 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 368414 110908 digits May 2012 PPSE; PrimeGrid
n = 571326 171991 digits Nov 2010 Iram Alves dos Santos Filho; PSieve; srsieve; PrimeGrid; LLR
n = 1079294 324904 digits May 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1237310 372472 digits Jan 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 3458768 1041197 digits Feb 2023 Valentin Noxe; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7299
max n: 2.372.838
n = 3 5 digits
n = 22 11 digits
n = 31 14 digits
n = 33 14 digits
n = 51 20 digits
n = 67 25 digits
n = 91 32 digits
n = 159 52 digits
n = 273 87 digits
n = 1291 393 digits
n = 3687 1114 digits 1993 Jeffrey Young
n = 5719 1726 digits
n = 6163 1860 digits
n = 9591 2892 digits
n = 10963 3305 digits
n = 15207 4582 digits
n = 17299 5212 digits
n = 28329 8532 digits
n = 29002 8735 digits
n = 41335 12447 digits
n = 64747 19495 digits
n = 153222 46129 digits
n = 272395 82003 digits
n = 279213 84056 digits
n = 450393 135586 digits Apr 2009 Carsten Hartwig; srsieve; PrimeGrid; LLR
n = 573681 172700 digits Nov 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2208993 664978 digits Feb 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7301
max n: 2.372.972
n = 23 11 digits
n = 31 14 digits
n = 95 33 digits
n = 239 76 digits
n = 739 227 digits
n = 1843 559 digits
n = 1853 562 digits
n = 2213 671 digits
n = 2245 680 digits
n = 3367 1018 digits 1993 Jeffrey Young
n = 6871 2073 digits Mar 1996 Patrick Demichel
n = 8981 2708 digits
n = 17925 5400 digits
n = 39453 11881 digits
n = 45823 13798 digits
n = 73747 22204 digits
n = 87643 26388 digits
n = 178795 53827 digits
n = 225151 67782 digits
n = 232133 69883 digits
n = 273813 82430 digits
n = 297445 89544 digits
n = 307543 92584 digits
n = 742231 223438 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 911957 274531 digits Jun 2012 Sascha Thorsten Dietsch; PSieve; srsieve; PrimeGrid; LLR
n = 1453903 437673 digits Jul 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 7303
max n: 2.372.733
n = 4 6 digits
n = 12 8 digits
n = 14 9 digits
n = 16 9 digits
n = 18 10 digits
n = 22 11 digits
n = 42 17 digits
n = 84 30 digits
n = 86 30 digits
n = 108 37 digits
n = 112 38 digits
n = 126 42 digits
n = 182 59 digits
n = 194 63 digits
n = 198 64 digits
n = 274 87 digits
n = 334 105 digits
n = 352 110 digits
n = 504 156 digits
n = 796 244 digits
n = 904 276 digits
n = 1838 558 digits
n = 2898 877 digits
n = 3234 978 digits
n = 10162 3063 digits
n = 14154 4265 digits
n = 16488 4968 digits
n = 16536 4982 digits
n = 18958 5711 digits
n = 23418 7054 digits
n = 44418 13376 digits
n = 53856 16217 digits
n = 56994 17161 digits
n = 94986 28598 digits
n = 98582 29681 digits
n = 125898 37903 digits
n = 218318 65725 digits
n = 252432 75994 digits
n = 258508 77823 digits
n = 283294 85284 digits
n = 547118 164703 digits Sep 2010 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1052464 316828 digits May 2013 Heinz Durstewitz; PSieve; srsieve; PrimeGrid; LLR
n = 1464078 440736 digits Jan 2018 Brian Parsonnet; PSieve; srsieve; PrimeGrid; LLR
n = 1563684 470720 digits Feb 2020 Hendrik Schawe; PSieve; srsieve; PrimeGrid; LLR
n = 1622974 488568 digits Feb 2021 Sean Matheis; PSieve; srsieve; PrimeGrid; LLR
n = 1671602 503207 digits Feb 2022 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
k: 7305
max n: 2.372.941
n = 2 5 digits
n = 3 5 digits
n = 4 6 digits
n = 9 7 digits
n = 13 8 digits
n = 16 9 digits
n = 22 11 digits
n = 26 12 digits
n = 30 13 digits
n = 34 15 digits
n = 38 16 digits
n = 43 17 digits
n = 56 21 digits
n = 66 24 digits
n = 69 25 digits
n = 97 34 digits
n = 119 40 digits
n = 126 42 digits
n = 128 43 digits
n = 169 55 digits
n = 178 58 digits
n = 376 118 digits
n = 394 123 digits
n = 399 124 digits
n = 414 129 digits
n = 453 141 digits
n = 461 143 digits
n = 478 148 digits
n = 619 191 digits
n = 843 258 digits
n = 896 274 digits
n = 1142 348 digits
n = 1641 498 digits
n = 1654 502 digits
n = 1770 537 digits
n = 1933 586 digits
n = 2133 646 digits
n = 2164 656 digits
n = 2510 760 digits
n = 2524 764 digits
n = 3773 1140 digits 1993 Jeffrey Young
n = 5169 1560 digits
n = 7413 2236 digits
n = 9063 2733 digits
n = 9076 2737 digits
n = 10396 3134 digits
n = 10807 3258 digits
n = 12628 3806 digits
n = 14320 4315 digits
n = 16082 4846 digits
n = 16114 4855 digits
n = 16804 5063 digits
n = 19216 5789 digits
n = 19437 5855 digits
n = 19571 5896 digits
n = 21521 6483 digits
n = 26699 8042 digits
n = 33631 10128 digits
n = 35462 10679 digits
n = 60327 18165 digits
n = 61257 18445 digits May 1999 Tadashi Taura; Proth
n = 63389 19086 digits
n = 66338 19974 digits
n = 75138 22623 digits
n = 76030 22892 digits
n = 93717 28216 digits
n = 97912 29479 digits
n = 101000 30408 digits
n = 156453 47101 digits
n = 172414 51906 digits
n = 215817 64972 digits
n = 229508 69093 digits
n = 252030 75873 digits
n = 309070 93044 digits
n = 350243 105438 digits Apr 2012 Brook Harste; PPSE; PrimeGrid
n = 352564 106137 digits May 2012 PPSE; PrimeGrid
n = 366178 110235 digits May 2012 PPSE; PrimeGrid
n = 366849 110437 digits May 2012 PPSE; PrimeGrid
n = 414477 124774 digits Oct 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 444657 133859 digits Dec 2012 Michael Millerick; PPSE; PrimeGrid
n = 449392 135285 digits Jan 2013 Brook Harste; PPSE; PrimeGrid
n = 595509 179270 digits Dec 2010 Jared Reid; PSieve; srsieve; PrimeGrid; LLR
n = 702911 211602 digits Sep 2011 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 703311 211722 digits Sep 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 762340 229492 digits Feb 2012 David Steel; PSieve; srsieve; PrimeGrid; LLR
n = 912413 274668 digits Jun 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 916024 275755 digits Jun 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 928698 279570 digits Jul 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1379348 415229 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 2312889 696253 digits Oct 2025 David Perek; PPSE; PrimeGrid
n = 2350770 707657 digits Mar 2026 Valter Cavecchia; PPSE; PrimeGrid
k: 7307
max n: 2.373.239
n = 11 8 digits
n = 83 29 digits
n = 131 44 digits
n = 343 108 digits
n = 731 224 digits
n = 17171 5173 digits
n = 20479 6169 digits
n = 23459 7066 digits
n = 117479 35369 digits
n = 1051111 316420 digits May 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1190911 358504 digits Oct 2013 Matthew Ledford; PSieve; srsieve; PrimeGrid; LLR
k: 7309
max n: 2.373.305
n = 18 10 digits
n = 34 15 digits
n = 450 140 digits
n = 846 259 digits
n = 3322 1004 digits 1993 Jeffrey Young
n = 32418 9763 digits
n = 44782 13485 digits
n = 62542 18831 digits
n = 309654 93220 digits
n = 884430 266244 digits May 2012 Jackson M. Norris; PSieve; srsieve; PrimeGrid; LLR
n = 1203982 362439 digits Dec 2013 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
k: 7311
max n: 2.373.226
n = 11 8 digits
n = 27 12 digits
n = 72 26 digits
n = 89 31 digits
n = 269 85 digits
n = 423 132 digits
n = 1163 354 digits
n = 1373 418 digits
n = 2033 616 digits
n = 2351 712 digits
n = 4709 1422 digits 1993 Jeffrey Young
n = 11681 3521 digits
n = 31361 9445 digits
n = 57317 17259 digits
n = 69707 20988 digits
n = 117839 35477 digits
n = 183635 55284 digits
n = 200256 60287 digits Jul 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 414503 124782 digits Oct 2012 PPSE; PrimeGrid
n = 444683 133867 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 636245 191533 digits Feb 2011 Paul Sands; PSieve; srsieve; PrimeGrid; LLR
n = 947531 285240 digits Jul 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1034823 311517 digits Jan 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1638107 493124 digits May 2021 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
k: 7313
max n: 2.372.852
n = 1 5 digits
n = 13 8 digits
n = 37 16 digits
n = 93 32 digits
n = 285 90 digits
n = 537 166 digits
n = 1741 528 digits
n = 3393 1026 digits 1993 Jeffrey Young
n = 3961 1197 digits 1993 Jeffrey Young
n = 5113 1544 digits
n = 5341 1612 digits
n = 15381 4635 digits
n = 59817 18011 digits
n = 85413 25716 digits
n = 119277 35910 digits
n = 356113 107205 digits May 2012 David Yost; PPSE; PrimeGrid
n = 490317 147604 digits Feb 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1108441 333678 digits Jul 2013 PoChun Huang; PSieve; srsieve; PrimeGrid; LLR
n = 1272657 383112 digits May 2014 Richard Cervelle; PSieve; srsieve; PrimeGrid; LLR
n = 2154873 648686 digits Feb 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7315
max n: 2.373.167
n = 4 6 digits
n = 14 9 digits
n = 16 9 digits
n = 24 12 digits
n = 44 18 digits
n = 102 35 digits
n = 236 75 digits
n = 248 79 digits
n = 296 93 digits
n = 686 211 digits
n = 2292 694 digits
n = 4194 1267 digits 1993 Jeffrey Young
n = 7448 2246 digits
n = 15356 4627 digits
n = 15824 4768 digits
n = 36852 11098 digits
n = 52266 15738 digits
n = 77862 23443 digits
n = 96866 29164 digits
n = 267734 80600 digits
n = 281956 84882 digits
n = 329052 99059 digits
n = 360872 108638 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 417916 125810 digits Oct 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 591424 178041 digits Dec 2010 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 616528 185598 digits Jan 2011 Yuriy Brovarets; PSieve; srsieve; PrimeGrid; LLR
n = 1035462 311709 digits Jan 2013 Tomo Koscak; PSieve; srsieve; PrimeGrid; LLR
n = 1089268 327907 digits May 2013 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1268942 381994 digits May 2014 Jozsef Schmidt; PSieve; srsieve; PrimeGrid; LLR
n = 1551434 467033 digits Dec 2019 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 7317
max n: 2.372.559
n = 2 5 digits
n = 3 5 digits
n = 6 6 digits
n = 7 6 digits
n = 10 7 digits
n = 12 8 digits
n = 15 9 digits
n = 19 10 digits
n = 22 11 digits
n = 31 14 digits
n = 40 16 digits
n = 51 20 digits
n = 68 25 digits
n = 111 38 digits
n = 126 42 digits
n = 135 45 digits
n = 230 74 digits
n = 235 75 digits
n = 243 78 digits
n = 262 83 digits
n = 276 87 digits
n = 298 94 digits
n = 382 119 digits
n = 418 130 digits
n = 459 143 digits
n = 460 143 digits
n = 540 167 digits
n = 590 182 digits
n = 730 224 digits
n = 739 227 digits
n = 918 281 digits
n = 1299 395 digits
n = 1611 489 digits
n = 1642 499 digits
n = 1662 505 digits
n = 1800 546 digits
n = 2299 696 digits
n = 2478 750 digits
n = 2596 786 digits
n = 3147 952 digits
n = 3472 1050 digits 1993 Jeffrey Young
n = 4006 1210 digits 1993 Jeffrey Young
n = 4227 1277 digits 1993 Jeffrey Young
n = 8868 2674 digits
n = 10498 3165 digits
n = 10695 3224 digits
n = 10976 3308 digits
n = 16227 4889 digits
n = 20310 6118 digits
n = 26726 8050 digits
n = 27018 8138 digits
n = 38815 11689 digits
n = 45590 13728 digits
n = 68332 20574 digits
n = 87446 26328 digits
n = 89635 26987 digits
n = 94927 28580 digits
n = 225790 67974 digits
n = 322927 97215 digits
n = 397292 119601 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 440728 132677 digits Dec 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 566636 170579 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 604662 182026 digits Jan 2011 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 611186 183990 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 784378 236126 digits Mar 2012 Yuki Yoshigoe; PSieve; srsieve; PrimeGrid; LLR
n = 1038622 312661 digits Jan 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1273503 383367 digits May 2014 Scott Chandler; PSieve; srsieve; PrimeGrid; LLR
n = 1378971 415116 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1615455 486305 digits Feb 2021 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 1675119 504265 digits Feb 2022 Filip Rydlo; PSieve; srsieve; PrimeGrid; LLR
n = 1768978 532520 digits Nov 2023 Vaughan Davies; PPSE; PrimeGrid
k: 7319
max n: 2.372.598
n = 1 5 digits
n = 9 7 digits
n = 15 9 digits
n = 19 10 digits
n = 35 15 digits
n = 249 79 digits
n = 767 235 digits
n = 1601 486 digits
n = 2265 686 digits
n = 4495 1357 digits 1993 Jeffrey Young
n = 9159 2761 digits
n = 14449 4354 digits
n = 16519 4977 digits
n = 72955 21966 digits
n = 97615 29389 digits
n = 105657 31810 digits
n = 405617 122107 digits Aug 2012 Dmitry Domanov; PPSE; PrimeGrid
n = 492675 148314 digits Mar 2010 Werner Soika; PSieve; srsieve; PrimeGrid; LLR
n = 598947 180305 digits Dec 2010 Adam Smith; PSieve; srsieve; PrimeGrid; LLR
n = 2225039 669808 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7321
max n: 2.373.112
n = 8 7 digits
n = 652 201 digits
n = 1420 432 digits
n = 38948 11729 digits
k: 7323
max n: 2.373.119
n = 9 7 digits
n = 20 10 digits
n = 37 16 digits
n = 45 18 digits
n = 53 20 digits
n = 57 22 digits
n = 68 25 digits
n = 89 31 digits
n = 108 37 digits
n = 157 52 digits
n = 165 54 digits
n = 205 66 digits
n = 233 75 digits
n = 306 96 digits
n = 425 132 digits
n = 608 187 digits
n = 757 232 digits
n = 3197 967 digits
n = 3224 975 digits
n = 3490 1055 digits 1993 Jeffrey Young
n = 4653 1405 digits 1993 Jeffrey Young
n = 5474 1652 digits
n = 6497 1960 digits
n = 6674 2013 digits Mar 1996 Patrick Demichel
n = 7218 2177 digits
n = 15290 4607 digits
n = 16645 5015 digits
n = 20394 6144 digits
n = 22260 6705 digits
n = 29114 8769 digits
n = 36317 10937 digits
n = 42893 12916 digits
n = 43298 13038 digits
n = 64121 19307 digits
n = 91185 27454 digits
n = 183578 55267 digits
n = 205189 61772 digits
n = 265757 80005 digits
n = 542666 163363 digits Aug 2010 John R. Bailey; PSieve; srsieve; PrimeGrid; LLR
n = 721730 217267 digits Nov 2011 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 992178 298680 digits Sep 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1303069 392267 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1320344 397468 digits Mar 2015 Woohyung Lee; PSieve; srsieve; PrimeGrid; LLR
n = 1378241 414896 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 7325
max n: 2.372.752
n = 3 5 digits
n = 35 15 digits
n = 51 20 digits
n = 53 20 digits
n = 59 22 digits
n = 117 40 digits
n = 147 49 digits
n = 1955 593 digits
n = 10893 3283 digits
n = 11477 3459 digits
n = 29133 8774 digits
n = 97533 29365 digits Apr 2002 Tom Hadley; OpenPFGW
n = 126579 38108 digits
n = 204893 61683 digits
n = 250293 75350 digits
n = 547013 164672 digits Sep 2010 Ronny Willig; PSieve; srsieve; PrimeGrid; LLR
n = 884141 266157 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
k: 7327
max n: 2.372.793
n = 10 7 digits
n = 16 9 digits
n = 24 12 digits
n = 40 16 digits
n = 72 26 digits
n = 222 71 digits
n = 244 78 digits
n = 384 120 digits
n = 432 134 digits
n = 546 169 digits
n = 568 175 digits
n = 946 289 digits
n = 2020 612 digits
n = 3190 965 digits
n = 3636 1099 digits 1993 Jeffrey Young
n = 19446 5858 digits
n = 27654 8329 digits
n = 27906 8405 digits
n = 32608 9820 digits
n = 87048 26208 digits
n = 159178 47922 digits
n = 194184 58460 digits
n = 214458 64563 digits
n = 227440 68471 digits
n = 371992 111985 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 427492 128692 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 451054 135785 digits Apr 2009 Mike Parker; srsieve; PrimeGrid; LLR
n = 679102 204434 digits Sep 2011 Dr. Wolfram Sperber; PSieve; srsieve; PrimeGrid; LLR
n = 1347910 405766 digits Jul 2015 Shaun Cox; PSieve; srsieve; PrimeGrid; LLR
n = 1800922 542136 digits Jan 2024 PPSE; PrimeGrid
n = 2280850 686609 digits May 2025 Ian Dickinson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7329
max n: 2.372.840
n = 5 6 digits
n = 10 7 digits
n = 15 9 digits
n = 31 14 digits
n = 61 23 digits
n = 82 29 digits
n = 105 36 digits
n = 199 64 digits
n = 225 72 digits
n = 242 77 digits
n = 414 129 digits
n = 574 177 digits
n = 634 195 digits
n = 649 200 digits
n = 682 210 digits
n = 750 230 digits
n = 1029 314 digits
n = 1049 320 digits
n = 1133 345 digits
n = 1503 457 digits
n = 1865 566 digits
n = 2103 637 digits
n = 3262 986 digits
n = 3642 1101 digits 1993 Jeffrey Young
n = 4079 1232 digits 1993 Jeffrey Young
n = 4442 1342 digits 1993 Jeffrey Young
n = 5374 1622 digits
n = 7546 2276 digits
n = 8262 2491 digits
n = 11705 3528 digits
n = 19725 5942 digits
n = 24655 7426 digits
n = 32559 9806 digits
n = 34329 10338 digits
n = 34369 10350 digits
n = 40551 12211 digits
n = 46750 14078 digits
n = 92449 27834 digits
n = 93990 28298 digits
n = 112170 33771 digits
n = 128903 38808 digits
n = 175569 52856 digits
n = 338103 101784 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 501391 150938 digits May 2009 Brian Carpenter; srsieve; PrimeGrid; LLR
n = 556559 167545 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 781401 235230 digits Mar 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 821175 247203 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 896801 269968 digits Jun 2012 Keith Thompson; PSieve; srsieve; PrimeGrid; LLR
n = 906151 272783 digits Jun 2012 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1298886 391008 digits Oct 2014 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1961098 590354 digits May 2024 Robert Coplin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2072582 623914 digits Jan 2025 Mark Williams; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2206335 664177 digits Feb 2025 José Miguel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7331
max n: 2.372.784
n = 7 6 digits
n = 33 14 digits
n = 47 19 digits
n = 49 19 digits
n = 87 31 digits
n = 119 40 digits
n = 199 64 digits
n = 259 82 digits
n = 389 121 digits
n = 647 199 digits
n = 665 205 digits
n = 819 251 digits
n = 889 272 digits
n = 935 286 digits
n = 1145 349 digits
n = 1369 416 digits
n = 1459 444 digits
n = 3603 1089 digits 1993 Jeffrey Young
n = 3607 1090 digits 1993 Jeffrey Young
n = 4059 1226 digits 1993 Jeffrey Young
n = 4647 1403 digits 1993 Jeffrey Young
n = 6383 1926 digits
n = 13863 4178 digits
n = 17029 5131 digits
n = 21223 6393 digits
n = 32259 9715 digits
n = 35387 10657 digits
n = 88073 26517 digits
n = 153825 46310 digits
n = 182727 55011 digits
n = 284065 85516 digits Dec 2006 John Dilick; NewPGen; Proth
n = 469835 141439 digits Oct 2009 Ariel BaratLeloup; srsieve; PrimeGrid; LLR
n = 697967 210113 digits Sep 2011 Peter Verstappen; PSieve; srsieve; PrimeGrid; LLR
n = 1052755 316915 digits May 2013 Geoff Stirling; PSieve; srsieve; PrimeGrid; LLR
n = 1079615 325001 digits May 2013 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1627435 489911 digits Feb 2021 Jan Kožíšek; PSieve; srsieve; PrimeGrid; LLR
n = 1737439 523026 digits Mar 2023 Sanghyeok Lee; PPSE; PrimeGrid
k: 7333
max n: 2.372.805
n = 2 5 digits
n = 4 6 digits
n = 10 7 digits
n = 12 8 digits
n = 24 12 digits
n = 106 36 digits
n = 136 45 digits
n = 220 71 digits
n = 292 92 digits
n = 496 154 digits
n = 660 203 digits
n = 740 227 digits
n = 1140 348 digits
n = 1154 352 digits
n = 1634 496 digits
n = 5774 1743 digits
n = 7932 2392 digits
n = 21704 6538 digits
n = 24976 7523 digits
n = 34646 10434 digits
n = 69932 21056 digits
n = 79972 24078 digits
n = 138560 41715 digits
n = 149056 44875 digits
n = 170864 51440 digits
n = 272984 82181 digits
n = 354214 106633 digits May 2012 PPSE; PrimeGrid
n = 380316 114491 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 448584 135042 digits Jan 2013 Sami Heikkila; PPSE; PrimeGrid
n = 627182 188805 digits Feb 2011 Tetsuya Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 637400 191881 digits Feb 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 700570 210897 digits Feb 2010 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 742120 223405 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 799796 240767 digits Mar 2012 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 1141100 343510 digits Sep 2013 Konstantin Stanko; PSieve; srsieve; PrimeGrid; LLR
n = 1820616 548064 digits Jan 2024 Frederik Schiøler; PPSE; PrimeGrid
n = 2245982 676112 digits Mar 2025 Drew Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7335
max n: 2.372.986
n = 4 6 digits
n = 5 6 digits
n = 7 6 digits
n = 8 7 digits
n = 11 8 digits
n = 31 14 digits
n = 35 15 digits
n = 37 16 digits
n = 53 20 digits
n = 68 25 digits
n = 71 26 digits
n = 77 28 digits
n = 95 33 digits
n = 100 34 digits
n = 106 36 digits
n = 166 54 digits
n = 232 74 digits
n = 415 129 digits
n = 491 152 digits
n = 568 175 digits
n = 767 235 digits
n = 955 292 digits
n = 1787 542 digits
n = 2077 630 digits
n = 3080 932 digits
n = 5156 1556 digits
n = 5285 1595 digits
n = 6373 1923 digits
n = 7030 2121 digits
n = 7234 2182 digits
n = 8357 2520 digits
n = 17867 5383 digits
n = 25471 7672 digits
n = 26020 7837 digits
n = 29708 8947 digits
n = 32074 9660 digits
n = 32728 9856 digits
n = 76942 23166 digits
n = 83062 25009 digits
n = 98891 29774 digits
n = 169331 50978 digits
n = 215957 65014 digits
n = 303008 91219 digits
n = 306172 92171 digits
n = 530893 159819 digits Jul 2010 Jeremy M. Posner; PSieve; srsieve; PrimeGrid; LLR
n = 556147 167421 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 965015 290503 digits Aug 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1062523 319856 digits May 2013 Konstantin Manz; PSieve; srsieve; PrimeGrid; LLR
n = 1287812 387674 digits Aug 2014 Kingsley Jarrett; PSieve; srsieve; PrimeGrid; LLR
n = 1750931 527087 digits Jun 2023 Yegor Ryabchikov; PPSE; PrimeGrid
n = 1881647 566437 digits Feb 2024 Marek Štochl; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1967564 592300 digits May 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2042591 614886 digits Jan 2025 Jonathan Floyd; PPSE; PrimeGrid
n = 2060360 620235 digits Jan 2025 Angus Basil; PPSE; PrimeGrid
n = 2353090 708355 digits Apr 2026 Adrian Baker; PPSE; PrimeGrid
n = 3432982 1033435 digits Sep 2022 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7337
max n: 2.373.235
n = 15 9 digits
n = 47 19 digits
n = 87 31 digits
n = 1347 410 digits
n = 1535 466 digits
n = 1575 478 digits
n = 2395 725 digits
n = 2583 782 digits
n = 10055 3031 digits
n = 15751 4746 digits
n = 22327 6725 digits
n = 27515 8287 digits
n = 121815 36674 digits
n = 151927 45739 digits
n = 197003 59308 digits
n = 395883 119177 digits Jul 2012 Brian Carpenter; PPSE; PrimeGrid
n = 621063 186963 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 637995 192060 digits Feb 2011 Harvey Patterson; PSieve; srsieve; PrimeGrid; LLR
n = 902631 271723 digits Jun 2012 Torben Kock; PSieve; srsieve; PrimeGrid; LLR
n = 1091487 328575 digits May 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
k: 7339
max n: 2.373.386
n = 50 19 digits
n = 206 66 digits
n = 758 233 digits
n = 6266 1891 digits
n = 9726 2932 digits
n = 14330 4318 digits
n = 530246 159624 digits Jul 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1580126 475670 digits May 2020 Reiner Elgetz; PSieve; srsieve; PrimeGrid; LLR
k: 7341
max n: 2.372.840
n = 1 5 digits
n = 7 6 digits
n = 15 9 digits
n = 37 16 digits
n = 61 23 digits
n = 84 30 digits
n = 87 31 digits
n = 135 45 digits
n = 207 67 digits
n = 304 96 digits
n = 541 167 digits
n = 555 171 digits
n = 567 175 digits
n = 732 225 digits
n = 756 232 digits
n = 891 273 digits
n = 1060 323 digits
n = 1068 326 digits
n = 4651 1404 digits 1993 Jeffrey Young
n = 4741 1432 digits 1993 Jeffrey Young
n = 6264 1890 digits
n = 9279 2798 digits
n = 9459 2852 digits
n = 11788 3553 digits
n = 13777 4152 digits
n = 16867 5082 digits
n = 24705 7441 digits
n = 44640 13442 digits
n = 44917 13526 digits
n = 300076 90336 digits
n = 349540 105226 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 399360 120224 digits Jul 2012 Gary Craig; PPSE; PrimeGrid
n = 588987 177307 digits Dec 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 592261 178293 digits Dec 2010 Herbert Schmitz Porten; PSieve; srsieve; PrimeGrid; LLR
n = 820296 246938 digits Apr 2012 Hanjoon Kim; PSieve; srsieve; PrimeGrid; LLR
n = 1237761 372608 digits Jan 2014 Stephen Michael Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1811436 545301 digits Jan 2024 William Donovan; PPSE; PrimeGrid
k: 7343
max n: 2.373.461
n = 5 6 digits
n = 9 7 digits
n = 57 22 digits
n = 157 52 digits
n = 201 65 digits
n = 221 71 digits
n = 249 79 digits
n = 277 88 digits
n = 301 95 digits
n = 897 274 digits
n = 957 292 digits
n = 1105 337 digits
n = 1377 419 digits
n = 3441 1040 digits 1993 Jeffrey Young
n = 11021 3322 digits
n = 29501 8885 digits
n = 37185 11198 digits
n = 58305 17556 digits
n = 1275245 383891 digits Jun 2014 Kenichi Koshikawa; PSieve; srsieve; PrimeGrid; LLR
n = 1352501 407148 digits Aug 2015 Michael C Leung; PSieve; srsieve; PrimeGrid; LLR
n = 1552809 467446 digits Dec 2019 Wes Hewitt; PSieve; srsieve; PrimeGrid; LLR
k: 7345
max n: 2.372.845
n = 6 6 digits
n = 8 7 digits
n = 10 7 digits
n = 50 19 digits
n = 70 25 digits
n = 80 28 digits
n = 96 33 digits
n = 120 40 digits
n = 128 43 digits
n = 146 48 digits
n = 218 70 digits
n = 858 263 digits
n = 1058 323 digits
n = 1090 332 digits
n = 1128 344 digits
n = 1610 489 digits
n = 2210 670 digits
n = 2330 706 digits
n = 4958 1497 digits 1993 Jeffrey Young
n = 4968 1500 digits 1993 Jeffrey Young
n = 5298 1599 digits
n = 8328 2511 digits
n = 19840 5977 digits
n = 25910 7804 digits
n = 69670 20977 digits
n = 71888 21645 digits
n = 91790 27636 digits
n = 116680 35129 digits
n = 203568 61284 digits
n = 1236280 372162 digits Jan 2014 James Breslin; PSieve; srsieve; PrimeGrid; LLR
k: 7347
max n: 2.372.770
n = 2 5 digits
n = 6 6 digits
n = 8 7 digits
n = 11 8 digits
n = 14 9 digits
n = 23 11 digits
n = 24 12 digits
n = 28 13 digits
n = 39 16 digits
n = 42 17 digits
n = 43 17 digits
n = 46 18 digits
n = 108 37 digits
n = 171 56 digits
n = 266 84 digits
n = 366 115 digits
n = 395 123 digits
n = 414 129 digits
n = 416 130 digits
n = 452 140 digits
n = 546 169 digits
n = 571 176 digits
n = 794 243 digits
n = 1063 324 digits
n = 1136 346 digits
n = 1299 395 digits
n = 1842 559 digits
n = 2428 735 digits
n = 2836 858 digits
n = 2944 891 digits
n = 3336 1009 digits 1993 Jeffrey Young
n = 6579 1985 digits
n = 9096 2743 digits
n = 9463 2853 digits
n = 10078 3038 digits
n = 11575 3489 digits
n = 22934 6908 digits
n = 25335 7631 digits
n = 27564 8302 digits
n = 35972 10833 digits
n = 38116 11478 digits
n = 39788 11982 digits
n = 48435 14585 digits
n = 72244 21752 digits
n = 82774 24922 digits
n = 97363 29314 digits
n = 97428 29333 digits
n = 171844 51735 digits
n = 172884 52048 digits
n = 189443 57032 digits
n = 243279 73239 digits
n = 308739 92944 digits
n = 340431 102484 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 343839 103510 digits Apr 2012 Peter Tibbott; PPSE; PrimeGrid
n = 357822 107720 digits May 2012 David Yost; PPSE; PrimeGrid
n = 499794 150457 digits May 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 543882 163729 digits Aug 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 545086 164092 digits Aug 2010 Jeremy M. Posner; PSieve; srsieve; PrimeGrid; LLR
n = 661543 199149 digits Apr 2011 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 3371803 1015018 digits Jul 2021 Marc Wiseler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7349
max n: 2.372.022
n = 1 5 digits
n = 11 8 digits
n = 19 10 digits
n = 31 14 digits
n = 67 25 digits
n = 73 26 digits
n = 79 28 digits
n = 143 47 digits
n = 163 53 digits
n = 239 76 digits
n = 269 85 digits
n = 293 93 digits
n = 367 115 digits
n = 2143 649 digits
n = 4183 1264 digits 1993 Jeffrey Young
n = 6259 1889 digits
n = 7103 2143 digits
n = 11053 3332 digits
n = 13949 4203 digits
n = 22133 6667 digits
n = 32219 9703 digits
n = 46181 13906 digits
n = 50417 15181 digits
n = 51799 15597 digits
n = 57383 17278 digits
n = 60437 18198 digits
n = 86651 26089 digits
n = 345377 103973 digits Apr 2012 Michael Becker; PPSE; PrimeGrid
n = 348301 104853 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 394951 118896 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 413777 124564 digits Oct 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 558509 168132 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 566833 170638 digits Nov 2010 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 654013 196882 digits Mar 2011 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 766651 230789 digits Feb 2012 Thomas Melzer; PSieve; srsieve; PrimeGrid; LLR
n = 769271 231578 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 851909 256455 digits May 2012 Marc Koschewski; PSieve; srsieve; PrimeGrid; LLR
n = 1211423 364679 digits Dec 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1310321 394450 digits Feb 2015 Andreas Ritt; PSieve; srsieve; PrimeGrid; LLR
n = 1762799 530660 digits Sep 2023 Jan Kožíšek; PPSE; PrimeGrid
k: 7351
max n: 2.372.883
n = 4 6 digits
n = 24 12 digits
n = 92 32 digits
n = 212 68 digits
n = 252 80 digits
n = 408 127 digits
n = 616 190 digits
n = 1820 552 digits
n = 3340 1010 digits 1993 Jeffrey Young
n = 5080 1534 digits
n = 6384 1926 digits
n = 6872 2073 digits Mar 1996 Patrick Demichel
n = 6880 2075 digits Mar 1996 Patrick Demichel
n = 11092 3343 digits
n = 14584 4395 digits
n = 31628 9525 digits
n = 44496 13399 digits
n = 86256 25970 digits
n = 87108 26226 digits
n = 90408 27220 digits
n = 93600 28181 digits
n = 106048 31928 digits
n = 221088 66558 digits
n = 257920 77646 digits
n = 1033540 311131 digits Jan 2013 Matthew Holmes; PSieve; srsieve; PrimeGrid; LLR
n = 1340960 403674 digits Jun 2015 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1853312 557907 digits Jan 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7353
max n: 2.372.669
n = 6 6 digits
n = 8 7 digits
n = 18 10 digits
n = 65 24 digits
n = 104 36 digits
n = 113 38 digits
n = 176 57 digits
n = 224 72 digits
n = 410 128 digits
n = 414 129 digits
n = 488 151 digits
n = 494 153 digits
n = 584 180 digits
n = 668 205 digits
n = 894 273 digits
n = 2528 765 digits
n = 2570 778 digits
n = 2729 826 digits
n = 3866 1168 digits 1993 Jeffrey Young
n = 6105 1842 digits
n = 6362 1920 digits
n = 7112 2145 digits
n = 9024 2721 digits
n = 10598 3195 digits
n = 10922 3292 digits
n = 11726 3534 digits
n = 13178 3971 digits
n = 13302 4009 digits
n = 15324 4617 digits
n = 15918 4796 digits
n = 18848 5678 digits
n = 19700 5935 digits
n = 21668 6527 digits Oct 1996 Patrick Demichel
n = 21786 6563 digits
n = 25056 7547 digits
n = 25622 7717 digits
n = 30294 9124 digits
n = 56688 17069 digits
n = 67922 20451 digits
n = 159576 48042 digits
n = 173724 52301 digits
n = 205776 61949 digits
n = 224172 67487 digits
n = 227742 68562 digits
n = 271896 81853 digits
n = 273377 82299 digits
n = 277242 83463 digits
n = 335664 101049 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 527820 158894 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 535842 161309 digits Jul 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1066344 321006 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1844313 555198 digits Jan 2024 Christian Wallbaum; PPSE; PrimeGrid
k: 7355
max n: 2.372.700
n = 7 6 digits
n = 9 7 digits
n = 13 8 digits
n = 21 11 digits
n = 37 16 digits
n = 49 19 digits
n = 67 25 digits
n = 135 45 digits
n = 207 67 digits
n = 307 97 digits
n = 387 121 digits
n = 471 146 digits
n = 1297 395 digits
n = 3409 1031 digits 1993 Jeffrey Young
n = 6229 1879 digits
n = 8871 2675 digits
n = 12069 3637 digits Jan 1998 Baptiste Heyman; Proth
n = 13117 3953 digits
n = 22047 6641 digits
n = 22197 6686 digits
n = 25465 7670 digits
n = 28239 8505 digits
n = 30451 9171 digits
n = 43903 13220 digits
n = 52497 15808 digits
n = 65341 19674 digits
n = 70333 21177 digits
n = 109033 32827 digits
n = 147015 44260 digits
n = 186703 56208 digits
n = 349009 105067 digits Apr 2012 Vaughan Davies; PPSE; PrimeGrid
n = 377215 113557 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 529083 159274 digits Jul 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
k: 7357
max n: 2.373.380
n = 2 5 digits
n = 8 7 digits
n = 26 12 digits
n = 152 50 digits
n = 170 56 digits
n = 448 139 digits
n = 488 151 digits
n = 1808 549 digits
n = 14444 4352 digits
n = 16040 4833 digits
n = 29386 8850 digits
n = 51698 15567 digits
n = 58722 17681 digits
n = 78964 23775 digits
n = 95204 28664 digits
n = 138736 41768 digits
n = 159698 48078 digits
n = 174424 52511 digits
n = 245680 73961 digits
n = 515960 155324 digits Jun 2010 Eric Markle; PSieve; srsieve; PrimeGrid; LLR
n = 549808 165513 digits Sep 2010 Brett Melvold; PSieve; srsieve; PrimeGrid; LLR
n = 1307884 393717 digits Feb 2015 Matt Lee; PSieve; srsieve; PrimeGrid; LLR
k: 7359
max n: 2.372.656
n = 2 5 digits
n = 5 6 digits
n = 9 7 digits
n = 10 7 digits
n = 17 9 digits
n = 25 12 digits
n = 35 15 digits
n = 38 16 digits
n = 43 17 digits
n = 62 23 digits
n = 98 34 digits
n = 107 37 digits
n = 166 54 digits
n = 225 72 digits
n = 269 85 digits
n = 314 99 digits
n = 323 102 digits
n = 398 124 digits
n = 491 152 digits
n = 773 237 digits
n = 789 242 digits
n = 853 261 digits
n = 1553 472 digits
n = 1730 525 digits
n = 1827 554 digits
n = 2573 779 digits
n = 3237 979 digits
n = 3827 1156 digits 1993 Jeffrey Young
n = 3977 1202 digits 1993 Jeffrey Young
n = 4850 1464 digits 1993 Jeffrey Young
n = 5606 1692 digits
n = 45869 13812 digits
n = 50366 15166 digits
n = 56297 16951 digits
n = 151099 45490 digits
n = 307973 92713 digits
n = 352017 105972 digits May 2012 James Boerner; PPSE; PrimeGrid
n = 497547 149781 digits Jun 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 506753 152552 digits May 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 535617 161241 digits Jul 2010 Michael Becker; PSieve; srsieve; PrimeGrid; LLR
n = 811475 244283 digits Mar 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 812667 244642 digits Mar 2012 Alexander Yereschenko; PSieve; srsieve; PrimeGrid; LLR
n = 1312334 395056 digits Feb 2015 Sio Lon Fu; PSieve; srsieve; PrimeGrid; LLR
n = 1584325 476934 digits Aug 2020 Richard Mortimore; PSieve; srsieve; PrimeGrid; LLR
n = 1960373 590135 digits May 2024 Victor de Hollander; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7361
max n: 2.373.244
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 11 8 digits
n = 19 10 digits
n = 43 17 digits
n = 59 22 digits
n = 61 23 digits
n = 79 28 digits
n = 81 29 digits
n = 119 40 digits
n = 243 78 digits
n = 285 90 digits
n = 369 115 digits
n = 443 138 digits
n = 579 179 digits
n = 725 223 digits
n = 1253 382 digits
n = 1255 382 digits
n = 1327 404 digits
n = 1405 427 digits
n = 1455 442 digits
n = 1941 589 digits
n = 1987 603 digits
n = 3333 1008 digits 1993 Jeffrey Young
n = 4137 1250 digits 1993 Jeffrey Young
n = 4811 1453 digits 1993 Jeffrey Young
n = 4935 1490 digits 1993 Jeffrey Young
n = 9043 2727 digits
n = 9247 2788 digits
n = 10939 3297 digits
n = 13835 4169 digits
n = 19335 5825 digits
n = 43839 13201 digits
n = 49801 14996 digits
n = 86411 26017 digits
n = 141645 42644 digits
n = 166015 49980 digits
n = 203289 61200 digits
n = 213509 64277 digits
n = 227645 68532 digits
n = 243513 73309 digits
n = 300069 90334 digits
n = 438547 132020 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 583485 175651 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 845617 254560 digits Apr 2012 Krzysztof Ostaszewski; PSieve; srsieve; PrimeGrid; LLR
n = 1206579 363221 digits Dec 2013 Lila Dily; PSieve; srsieve; PrimeGrid; LLR
k: 7363
max n: 2.373.087
n = 2 5 digits
n = 4 6 digits
n = 16 9 digits
n = 22 11 digits
n = 32 14 digits
n = 52 20 digits
n = 70 25 digits
n = 98 34 digits
n = 116 39 digits
n = 350 110 digits
n = 484 150 digits
n = 614 189 digits
n = 638 196 digits
n = 692 213 digits
n = 872 267 digits
n = 1694 514 digits
n = 1916 581 digits
n = 2876 870 digits
n = 3680 1112 digits 1993 Jeffrey Young
n = 10826 3263 digits
n = 11650 3511 digits
n = 37462 11282 digits
n = 50098 15085 digits
n = 73358 22087 digits
n = 80300 24177 digits
n = 100912 30382 digits
n = 108358 32623 digits
n = 108940 32799 digits
n = 111458 33557 digits
n = 143816 43297 digits
n = 190678 57404 digits
n = 195740 58928 digits
n = 235916 71022 digits
n = 301396 90734 digits
n = 321376 96748 digits
n = 452374 136183 digits May 2009 Alan J Hidy; srsieve; PrimeGrid; LLR
n = 638270 192143 digits Feb 2011 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 1119836 337109 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1784644 537236 digits Dec 2023 Kai Presler; PPSE; PrimeGrid
n = 2131474 641642 digits Jan 2025 Jiri Jaros; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7365
max n: 2.372.527
n = 1 5 digits
n = 3 5 digits
n = 4 6 digits
n = 11 8 digits
n = 13 8 digits
n = 20 10 digits
n = 32 14 digits
n = 39 16 digits
n = 59 22 digits
n = 61 23 digits
n = 62 23 digits
n = 75 27 digits
n = 99 34 digits
n = 129 43 digits
n = 158 52 digits
n = 310 98 digits
n = 398 124 digits
n = 589 182 digits
n = 958 293 digits
n = 974 298 digits
n = 1361 414 digits
n = 2302 697 digits
n = 2591 784 digits
n = 5773 1742 digits
n = 6928 2090 digits
n = 7200 2172 digits
n = 7281 2196 digits
n = 7780 2346 digits May 1996 Patrick Demichel
n = 8632 2603 digits
n = 10551 3181 digits
n = 13982 4213 digits
n = 17093 5150 digits
n = 19331 5824 digits
n = 21551 6492 digits
n = 26109 7864 digits
n = 48200 14514 digits May 1999 Tadashi Taura; Proth
n = 48743 14677 digits
n = 54849 16516 digits
n = 56621 17049 digits
n = 81337 24489 digits
n = 134773 40575 digits
n = 136784 41180 digits
n = 142475 42894 digits
n = 190940 57483 digits
n = 382377 115111 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 870125 261938 digits May 2012 Łukasz Kaźmierczak; PSieve; srsieve; PrimeGrid; LLR
n = 1441142 433831 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1882407 566665 digits Feb 2024 Bob Calvin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2052262 617797 digits Jan 2025 James Krauss; PPSE; PrimeGrid
n = 2230203 671362 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7367
max n: 2.373.346
n = 3 5 digits
n = 15 9 digits
n = 39 16 digits
n = 47 19 digits
n = 99 34 digits
n = 107 37 digits
n = 131 44 digits
n = 219 70 digits
n = 351 110 digits
n = 443 138 digits
n = 467 145 digits
n = 671 206 digits
n = 735 226 digits
n = 1187 362 digits
n = 1955 593 digits
n = 2151 652 digits
n = 2615 792 digits
n = 2771 839 digits
n = 3243 981 digits
n = 3503 1059 digits 1993 Jeffrey Young
n = 4427 1337 digits 1993 Jeffrey Young
n = 5363 1619 digits
n = 6395 1929 digits
n = 14115 4253 digits
n = 32643 9831 digits
n = 54251 16336 digits
n = 89859 27055 digits
n = 225555 67903 digits
n = 517695 155846 digits Jun 2010 Jan Dupont; PSieve; srsieve; PrimeGrid; LLR
n = 601247 180998 digits Jan 2011 Anand S Nair; PSieve; srsieve; PrimeGrid; LLR
k: 7369
max n: 2.373.453
n = 6 6 digits
n = 58 22 digits
n = 78 28 digits
n = 114 39 digits
n = 246 78 digits
n = 642 198 digits
n = 678 208 digits
n = 2422 733 digits
n = 2866 867 digits
n = 8374 2525 digits
n = 9894 2983 digits
n = 14494 4367 digits
n = 46462 13991 digits
n = 53418 16085 digits
n = 60418 18192 digits
n = 63118 19005 digits
n = 167646 50471 digits
n = 233982 70440 digits
n = 411126 123766 digits Sep 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 905358 272544 digits Jun 2012 Frank Matillek; PSieve; srsieve; PrimeGrid; LLR
n = 1011954 304633 digits Oct 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 7371
max n: 2.372.752
n = 4 6 digits
n = 11 8 digits
n = 13 8 digits
n = 16 9 digits
n = 19 10 digits
n = 28 13 digits
n = 59 22 digits
n = 103 35 digits
n = 141 47 digits
n = 229 73 digits
n = 279 88 digits
n = 281 89 digits
n = 312 98 digits
n = 317 100 digits
n = 329 103 digits
n = 387 121 digits
n = 424 132 digits
n = 1087 332 digits
n = 1251 381 digits
n = 1612 490 digits
n = 2131 646 digits
n = 2281 691 digits
n = 3749 1133 digits 1993 Jeffrey Young
n = 4768 1440 digits 1993 Jeffrey Young
n = 8008 2415 digits
n = 8740 2635 digits
n = 12988 3914 digits
n = 13892 4186 digits
n = 15383 4635 digits Nov 1997 Henri Lifchitz; Proth
n = 17033 5132 digits
n = 18516 5578 digits
n = 18661 5622 digits
n = 18664 5623 digits
n = 21668 6527 digits Oct 1996 Patrick Demichel
n = 33289 10025 digits
n = 39256 11822 digits
n = 48840 14707 digits
n = 64523 19428 digits
n = 78080 23509 digits
n = 84116 25326 digits
n = 86248 25968 digits
n = 120739 36350 digits
n = 120947 36413 digits
n = 176527 53144 digits
n = 277448 83525 digits
n = 504844 151978 digits May 2010 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 627401 188871 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 720781 216981 digits Nov 2011 Bram De Clerck; PSieve; srsieve; PrimeGrid; LLR
n = 727861 219112 digits Feb 2012 Kazuhiro Orita; PSieve; srsieve; PrimeGrid; LLR
n = 818389 246364 digits Apr 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 949189 285739 digits Jul 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1541648 464087 digits Jul 2019 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1770980 533122 digits Nov 2023 Jaroslav Sekanina; PPSE; PrimeGrid
n = 2204948 663760 digits Feb 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7373
max n: 2.373.445
n = 1 5 digits
n = 13 8 digits
n = 25 12 digits
n = 69 25 digits
n = 85 30 digits
n = 109 37 digits
n = 129 43 digits
n = 249 79 digits
n = 673 207 digits
n = 3469 1049 digits 1993 Jeffrey Young
n = 6169 1861 digits
n = 33825 10187 digits
n = 558069 168000 digits Oct 2010 Ronald Schneider; PSieve; srsieve; PrimeGrid; LLR
n = 1645341 495301 digits Oct 2021 Jann Kickler; PSieve; srsieve; PrimeGrid; LLR
k: 7375
max n: 2.372.711
n = 2 5 digits
n = 10 7 digits
n = 24 12 digits
n = 156 51 digits
n = 198 64 digits
n = 234 75 digits
n = 236 75 digits
n = 290 92 digits
n = 420 131 digits
n = 524 162 digits
n = 542 168 digits
n = 740 227 digits
n = 886 271 digits
n = 2060 624 digits
n = 2312 700 digits
n = 2818 853 digits
n = 6534 1971 digits
n = 6876 2074 digits Mar 1996 Patrick Demichel
n = 8074 2435 digits
n = 10042 3027 digits
n = 17502 5273 digits
n = 22692 6835 digits
n = 62900 18939 digits
n = 68852 20731 digits May 2000 James Carpenter; Proth
n = 72870 21940 digits
n = 89472 26938 digits
n = 156530 47125 digits
n = 224772 67667 digits
n = 238896 71919 digits
n = 460452 138614 digits Jun 2009 Jochen Beck; srsieve; PrimeGrid; LLR
n = 528922 159226 digits Jul 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 540258 162638 digits Aug 2010 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 657262 197860 digits Mar 2011 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 952814 286830 digits Jul 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 985448 296654 digits Sep 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1344534 404749 digits Jul 2015 Dan Swearingen; PSieve; srsieve; PrimeGrid; LLR
k: 7377
max n: 2.371.461
n = 4 6 digits
n = 7 6 digits
n = 14 9 digits
n = 19 10 digits
n = 44 18 digits
n = 52 20 digits
n = 92 32 digits
n = 94 33 digits
n = 107 37 digits
n = 172 56 digits
n = 182 59 digits
n = 754 231 digits
n = 811 249 digits
n = 1543 469 digits
n = 1666 506 digits
n = 1772 538 digits
n = 2132 646 digits
n = 2354 713 digits
n = 2987 904 digits
n = 3092 935 digits
n = 3484 1053 digits 1993 Jeffrey Young
n = 9391 2831 digits
n = 9526 2872 digits
n = 9802 2955 digits
n = 28567 8604 digits
n = 52171 15709 digits
n = 96883 29169 digits
n = 98764 29735 digits
n = 167011 50280 digits
n = 208319 62715 digits
n = 510794 153769 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 528251 159024 digits Jul 2010 Kevin D Puckett; PSieve; srsieve; PrimeGrid; LLR
n = 656431 197610 digits Mar 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1079099 324846 digits May 2013 Joachim Sander; PSieve; srsieve; PrimeGrid; LLR
n = 1196227 360105 digits Nov 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 3362366 1012177 digits Apr 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7379
max n: 2.373.042
n = 1 5 digits
n = 5 6 digits
n = 13 8 digits
n = 17 9 digits
n = 23 11 digits
n = 25 12 digits
n = 35 15 digits
n = 43 17 digits
n = 55 21 digits
n = 105 36 digits
n = 277 88 digits
n = 321 101 digits
n = 805 247 digits
n = 1343 409 digits
n = 7241 2184 digits
n = 10423 3142 digits
n = 13861 4177 digits
n = 44111 13283 digits
n = 72953 21965 digits
n = 115747 34848 digits
n = 165655 49871 digits
n = 182381 54907 digits
n = 271105 81615 digits
n = 494191 148771 digits Mar 2010 Stefano D'Urso; PSieve; srsieve; PrimeGrid; LLR
n = 529987 159546 digits Aug 2010 Kasper Agg; PSieve; srsieve; PrimeGrid; LLR
n = 828811 249501 digits Apr 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1145293 344772 digits Sep 2013 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 3474983 1046078 digits Jul 2023 Michael Schoeberl; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7381
max n: 2.373.432
n = 12 8 digits
n = 24 12 digits
n = 108 37 digits
n = 132 44 digits
n = 312 98 digits
n = 468 145 digits
n = 936 286 digits
n = 1764 535 digits
n = 2604 788 digits
n = 82644 24883 digits
k: 7383
max n: 2.372.889
n = 1 5 digits
n = 10 7 digits
n = 18 10 digits
n = 30 13 digits
n = 40 16 digits
n = 45 18 digits
n = 66 24 digits
n = 112 38 digits
n = 117 40 digits
n = 150 50 digits
n = 169 55 digits
n = 172 56 digits
n = 261 83 digits
n = 426 133 digits
n = 508 157 digits
n = 661 203 digits
n = 666 205 digits
n = 705 217 digits
n = 1446 440 digits
n = 1702 517 digits
n = 2118 642 digits
n = 4408 1331 digits 1993 Jeffrey Young
n = 6820 2057 digits Mar 1996 Patrick Demichel
n = 8406 2535 digits
n = 29961 9024 digits
n = 36913 11116 digits
n = 59545 17929 digits
n = 61113 18401 digits
n = 93706 28213 digits
n = 119838 36079 digits
n = 131452 39575 digits
n = 173865 52343 digits
n = 420010 126440 digits Oct 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 613386 184652 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 631801 190195 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 872182 262557 digits May 2012 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 2347912 706796 digits Mar 2026 Brenton Stevens; PPSE; PrimeGrid
n = 3418297 1029014 digits Apr 2022 Charles Jackson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7385
max n: 2.372.950
n = 1 5 digits
n = 9 7 digits
n = 11 8 digits
n = 55 21 digits
n = 69 25 digits
n = 77 28 digits
n = 105 36 digits
n = 225 72 digits
n = 335 105 digits
n = 387 121 digits
n = 749 230 digits
n = 1025 313 digits
n = 1249 380 digits
n = 2411 730 digits
n = 2621 793 digits
n = 4147 1253 digits 1993 Jeffrey Young
n = 4497 1358 digits 1993 Jeffrey Young
n = 5551 1675 digits
n = 8305 2504 digits
n = 10749 3240 digits
n = 11865 3576 digits
n = 31875 9600 digits
n = 54589 16437 digits
n = 64671 19472 digits
n = 76401 23003 digits
n = 90099 27127 digits
n = 130689 39346 digits
n = 159069 47889 digits
n = 196969 59298 digits
n = 197505 59459 digits
n = 209757 63148 digits
n = 557895 167947 digits Oct 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 604261 181905 digits Jan 2011 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 834625 251252 digits Apr 2012 Tomasz R. Gwiazda; PSieve; srsieve; PrimeGrid; LLR
n = 1089539 327988 digits May 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1232891 371142 digits Jan 2014 Bartlett Henderson; PSieve; srsieve; PrimeGrid; LLR
n = 1438105 432917 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1855599 558595 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7387
max n: 2.372.273
n = 8 7 digits
n = 20 10 digits
n = 30 13 digits
n = 60 22 digits
n = 64 24 digits
n = 144 48 digits
n = 180 59 digits
n = 360 113 digits
n = 648 199 digits
n = 672 207 digits
n = 744 228 digits
n = 912 279 digits
n = 1480 450 digits
n = 2720 823 digits
n = 3372 1019 digits 1993 Jeffrey Young
n = 5864 1770 digits
n = 6004 1812 digits
n = 6654 2007 digits Mar 1996 Patrick Demichel
n = 10930 3295 digits
n = 16002 4821 digits Sep 1997 Andy Penrose; Proth
n = 16008 4823 digits
n = 18152 5469 digits
n = 19422 5851 digits
n = 47672 14355 digits
n = 50394 15174 digits
n = 50638 15248 digits
n = 51858 15615 digits
n = 65154 19618 digits
n = 81910 24662 digits
n = 101922 30686 digits
n = 145704 43866 digits
n = 156298 47055 digits
n = 278434 83821 digits
n = 353610 106452 digits May 2012 PPSE; PrimeGrid
n = 425768 128173 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 1287780 387665 digits Aug 2014 Dante Eickhoff; PSieve; srsieve; PrimeGrid; LLR
n = 3342848 1006302 digits Dec 2020 Barry Schnur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7389
max n: 2.372.870
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 11 8 digits
n = 14 9 digits
n = 30 13 digits
n = 65 24 digits
n = 70 25 digits
n = 119 40 digits
n = 181 59 digits
n = 206 66 digits
n = 230 74 digits
n = 253 81 digits
n = 254 81 digits
n = 354 111 digits
n = 1139 347 digits
n = 1549 471 digits
n = 1625 494 digits
n = 2425 734 digits
n = 2857 864 digits
n = 2978 901 digits
n = 3299 997 digits
n = 3454 1044 digits 1993 Jeffrey Young
n = 9723 2931 digits
n = 10033 3025 digits
n = 10481 3159 digits
n = 11557 3483 digits
n = 21926 6605 digits
n = 34285 10325 digits
n = 47438 14285 digits
n = 47683 14358 digits
n = 53173 16011 digits
n = 116449 35059 digits
n = 140574 42321 digits
n = 179294 53977 digits
n = 185837 55947 digits
n = 294791 88745 digits
n = 334054 100565 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 390701 117617 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 423229 127409 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 519539 156401 digits Jun 2010 Andrew Gockel; PSieve; srsieve; PrimeGrid; LLR
n = 641234 193035 digits Feb 2011 James Park Watt; PSieve; srsieve; PrimeGrid; LLR
n = 921773 277486 digits Jun 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1133231 341141 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1444141 434734 digits Mar 2017 Dennis Bischof; PSieve; srsieve; PrimeGrid; LLR
n = 1480966 445820 digits Feb 2018 Bill Cavnaugh; PSieve; srsieve; PrimeGrid; LLR
n = 1824206 549145 digits Jan 2024 Jonathan Gehrke; PPSE; PrimeGrid
k: 7391
max n: 2.373.144
n = 1 5 digits
n = 13 8 digits
n = 35 15 digits
n = 49 19 digits
n = 73 26 digits
n = 233 75 digits
n = 359 112 digits
n = 841 258 digits
n = 995 304 digits
n = 3029 916 digits
n = 6431 1940 digits
n = 366037 110192 digits May 2012 PPSE; PrimeGrid
n = 383197 115358 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 550105 165602 digits Sep 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 690143 207758 digits Aug 2011 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1075885 323878 digits May 2013 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1125545 338827 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1438253 432962 digits Feb 2017 Hirofumi Tamagawa; PSieve; srsieve; PrimeGrid; LLR
k: 7393
max n: 2.373.329
n = 2 5 digits
n = 12 8 digits
n = 20 10 digits
n = 74 27 digits
n = 78 28 digits
n = 84 30 digits
n = 122 41 digits
n = 138 46 digits
n = 150 50 digits
n = 210 68 digits
n = 228 73 digits
n = 248 79 digits
n = 612 189 digits
n = 678 208 digits
n = 842 258 digits
n = 7272 2193 digits
n = 9954 3001 digits
n = 10568 3186 digits
n = 21138 6368 digits
n = 34410 10363 digits
n = 40542 12209 digits
n = 84468 25432 digits
n = 104112 31345 digits
n = 113382 34136 digits
n = 153002 46063 digits
n = 154590 46541 digits
n = 205948 62001 digits
n = 635064 191178 digits Feb 2011 Gary Van Meter; PSieve; srsieve; PrimeGrid; LLR
n = 717788 216080 digits Nov 2011 Andrew Gockel; PSieve; srsieve; PrimeGrid; LLR
n = 1087518 327380 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1258710 378914 digits Apr 2014 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1267734 381630 digits May 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1727498 520033 digits Jan 2023 Stefan Larsson; PPSE; PrimeGrid
n = 2274728 684766 digits May 2025 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7395
max n: 2.372.701
n = 2 5 digits
n = 5 6 digits
n = 9 7 digits
n = 12 8 digits
n = 18 10 digits
n = 20 10 digits
n = 30 13 digits
n = 32 14 digits
n = 54 21 digits
n = 60 22 digits
n = 68 25 digits
n = 72 26 digits
n = 86 30 digits
n = 159 52 digits
n = 194 63 digits
n = 245 78 digits
n = 305 96 digits
n = 345 108 digits
n = 558 172 digits
n = 579 179 digits
n = 632 195 digits
n = 662 204 digits
n = 740 227 digits
n = 1070 326 digits
n = 1160 354 digits
n = 1164 355 digits
n = 1172 357 digits
n = 2574 779 digits
n = 2654 803 digits
n = 3140 950 digits
n = 3173 960 digits
n = 3456 1045 digits 1993 Jeffrey Young
n = 3921 1185 digits 1993 Jeffrey Young
n = 4215 1273 digits 1993 Jeffrey Young
n = 5201 1570 digits
n = 5510 1663 digits
n = 5732 1730 digits
n = 5973 1802 digits
n = 6554 1977 digits
n = 6564 1980 digits
n = 8163 2462 digits May 1996 Patrick Demichel
n = 8196 2472 digits May 1996 Patrick Demichel
n = 12860 3876 digits
n = 12876 3880 digits
n = 14216 4284 digits
n = 16886 5088 digits
n = 17802 5363 digits
n = 27144 8176 digits
n = 32486 9784 digits
n = 35334 10641 digits
n = 63993 19268 digits
n = 80031 24096 digits
n = 83973 25283 digits
n = 85689 25799 digits
n = 87554 26361 digits
n = 93465 28140 digits
n = 97529 29364 digits
n = 114570 34493 digits
n = 151700 45671 digits
n = 245799 73997 digits
n = 274779 82721 digits
n = 328671 98944 digits
n = 375468 113031 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 381063 114716 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 479730 144417 digits Oct 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 1111100 334479 digits Jul 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1390260 418514 digits Feb 2016 Andrzej Kurzyna; PSieve; srsieve; PrimeGrid; LLR
n = 1419423 427293 digits Sep 2016 Julius Noltensmeier; PSieve; srsieve; PrimeGrid; LLR
n = 2220159 668339 digits Feb 2025 Greg Miller; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7397
max n: 2.373.422
n = 135 45 digits
n = 973263 292986 digits Aug 2012 Matevž Markovič; PSieve; srsieve; PrimeGrid; LLR
n = 1321903 397937 digits Mar 2015 Philippe Jaillet; PSieve; srsieve; PrimeGrid; LLR
n = 2264127 681575 digits Apr 2025 Tristan Nolan; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7399
max n: 2.373.133
n = 30 13 digits
n = 70 25 digits
n = 342 107 digits
n = 542 168 digits
n = 566 175 digits
n = 12950 3903 digits
n = 19942 6008 digits
n = 85934 25873 digits
n = 203390 61231 digits
n = 369286 111171 digits May 2012 Bart Kus; PPSE; PrimeGrid
k: 7401
max n: 2.372.662
n = 3 5 digits
n = 20 10 digits
n = 25 12 digits
n = 68 25 digits
n = 96 33 digits
n = 108 37 digits
n = 180 59 digits
n = 188 61 digits
n = 205 66 digits
n = 248 79 digits
n = 324 102 digits
n = 881 270 digits
n = 908 278 digits
n = 1008 308 digits
n = 1283 391 digits
n = 3048 922 digits
n = 4620 1395 digits 1993 Jeffrey Young
n = 6285 1896 digits
n = 7776 2345 digits May 1996 Patrick Demichel
n = 8288 2499 digits
n = 11984 3612 digits
n = 14005 4220 digits
n = 19953 6011 digits
n = 43895 13218 digits
n = 55361 16670 digits
n = 66096 19901 digits
n = 97401 29325 digits
n = 114573 34494 digits
n = 117000 35225 digits
n = 129505 38989 digits
n = 197613 59492 digits
n = 477445 143730 digits Oct 2009 Markus Schoenberger; srsieve; PrimeGrid; LLR
n = 560695 168790 digits Oct 2010 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 673643 202791 digits Jul 2011 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1045944 314865 digits Feb 2013 Ulrich Hartel; PSieve; srsieve; PrimeGrid; LLR
k: 7403
max n: 2.373.365
n = 5 6 digits
n = 141 47 digits
n = 149 49 digits
n = 8301 2503 digits
n = 56405 16984 digits
n = 234845 70700 digits
n = 1142069 343801 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1502685 452358 digits Oct 2018 Stephanie Smith; PSieve; srsieve; PrimeGrid; LLR
n = 1616589 486646 digits Feb 2021 Brendon Gory; PSieve; srsieve; PrimeGrid; LLR
n = 2193429 660292 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7405
max n: 2.373.019
n = 10 7 digits
n = 80 28 digits
n = 82 29 digits
n = 350 110 digits
n = 482 149 digits
n = 1220 372 digits
n = 1690 513 digits
n = 2212 670 digits
n = 2812 851 digits
n = 4582 1384 digits 1993 Jeffrey Young
n = 5606 1692 digits
n = 10862 3274 digits
n = 25460 7669 digits
n = 45950 13837 digits
n = 66406 19995 digits
n = 75886 22848 digits
n = 224222 67502 digits
n = 269806 81224 digits
n = 348830 105013 digits Apr 2012 Michael Millerick; PPSE; PrimeGrid
n = 362632 109167 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 697760 210051 digits Sep 2011 Stefan Lichtenwimmer; PSieve; srsieve; PrimeGrid; LLR
n = 831400 250281 digits Apr 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1007566 303312 digits Oct 2012 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
k: 7407
max n: 2.372.666
n = 2 5 digits
n = 6 6 digits
n = 30 13 digits
n = 36 15 digits
n = 62 23 digits
n = 72 26 digits
n = 75 27 digits
n = 106 36 digits
n = 108 37 digits
n = 146 48 digits
n = 156 51 digits
n = 158 52 digits
n = 207 67 digits
n = 216 69 digits
n = 542 168 digits
n = 547 169 digits
n = 1226 373 digits
n = 1551 471 digits
n = 1632 496 digits
n = 2238 678 digits
n = 2988 904 digits
n = 3280 992 digits
n = 3867 1168 digits 1993 Jeffrey Young
n = 7022 2118 digits Mar 1996 Patrick Demichel
n = 7850 2367 digits
n = 14046 4233 digits
n = 15432 4650 digits
n = 20955 6312 digits
n = 40086 12071 digits
n = 46807 14095 digits
n = 53467 16100 digits
n = 53962 16249 digits
n = 54746 16485 digits
n = 59986 18062 digits
n = 94106 28333 digits
n = 98112 29539 digits
n = 162026 48779 digits
n = 172586 51958 digits
n = 272766 82115 digits
n = 337610 101635 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 562320 169280 digits Oct 2010 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 707991 213131 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 789278 237601 digits Mar 2012 Mark Wilcoxen; PSieve; srsieve; PrimeGrid; LLR
n = 874740 263327 digits May 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 889607 267803 digits Jun 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 920500 277102 digits Jun 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1032180 310722 digits Jan 2013 Mike Almond; PSieve; srsieve; PrimeGrid; LLR
n = 1211486 364698 digits Dec 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
k: 7409
max n: 2.372.870
n = 3 5 digits
n = 5 6 digits
n = 23 11 digits
n = 53 20 digits
n = 77 28 digits
n = 119 40 digits
n = 137 46 digits
n = 177 58 digits
n = 191 62 digits
n = 257 82 digits
n = 263 84 digits
n = 287 91 digits
n = 291 92 digits
n = 317 100 digits
n = 333 105 digits
n = 581 179 digits
n = 2171 658 digits
n = 3105 939 digits
n = 4275 1291 digits 1993 Jeffrey Young
n = 6383 1926 digits
n = 9105 2745 digits
n = 10037 3026 digits
n = 10149 3060 digits
n = 12875 3880 digits
n = 25383 7645 digits
n = 50601 15237 digits
n = 50769 15287 digits
n = 86973 26186 digits
n = 100095 30136 digits
n = 104399 31432 digits
n = 363933 109559 digits May 2012 Bob Hurd; PPSE; PrimeGrid
n = 482585 145277 digits Dec 2009 Ian Bartholomew; PSieve; srsieve; PrimeGrid; LLR
n = 629523 189510 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 743471 223811 digits Feb 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 755585 227458 digits Feb 2012 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 1036427 312000 digits Jan 2013 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 1134389 341489 digits Aug 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1746909 525876 digits Jun 2023 Steve Dodd; PPSE; PrimeGrid
n = 1806237 543736 digits Jan 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 3382869 1018349 digits Oct 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7411
max n: 2.373.220
n = 100 34 digits
n = 300 95 digits
n = 444 138 digits
n = 460 143 digits
n = 1420 432 digits
n = 2668 808 digits
n = 2956 894 digits
n = 829780 249793 digits Apr 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
k: 7413
max n: 2.372.751
n = 1 5 digits
n = 5 6 digits
n = 6 6 digits
n = 8 7 digits
n = 9 7 digits
n = 22 11 digits
n = 53 20 digits
n = 58 22 digits
n = 101 35 digits
n = 113 38 digits
n = 153 50 digits
n = 208 67 digits
n = 256 81 digits
n = 281 89 digits
n = 368 115 digits
n = 408 127 digits
n = 478 148 digits
n = 585 180 digits
n = 629 194 digits
n = 1201 366 digits
n = 1336 407 digits
n = 1381 420 digits
n = 1669 507 digits
n = 3178 961 digits
n = 3246 982 digits
n = 5041 1522 digits
n = 5241 1582 digits
n = 10224 3082 digits
n = 15538 4682 digits
n = 22609 6810 digits
n = 25001 7530 digits Jul 1998 Robert Prethaler; Proth
n = 26346 7935 digits
n = 40953 12332 digits
n = 54784 16496 digits
n = 86021 25899 digits
n = 112289 33807 digits
n = 145642 43847 digits
n = 213258 64201 digits
n = 261585 78749 digits
n = 763981 229986 digits Feb 2012 Robert Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 1366485 411357 digits Nov 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 2102766 633000 digits Jan 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7415
max n: 2.372.846
n = 1 5 digits
n = 7 6 digits
n = 13 8 digits
n = 17 9 digits
n = 19 10 digits
n = 23 11 digits
n = 53 20 digits
n = 87 31 digits
n = 121 41 digits
n = 251 80 digits
n = 267 85 digits
n = 327 103 digits
n = 423 132 digits
n = 503 156 digits
n = 519 161 digits
n = 541 167 digits
n = 673 207 digits
n = 783 240 digits
n = 1263 385 digits
n = 1391 423 digits
n = 1619 492 digits
n = 3231 977 digits
n = 6559 1979 digits
n = 18629 5612 digits
n = 18841 5676 digits
n = 19763 5954 digits
n = 20323 6122 digits
n = 28287 8520 digits
n = 54683 16466 digits
n = 61507 18520 digits
n = 65539 19734 digits Mar 2001 Dr. James McElhatton; Proth
n = 80153 24133 digits
n = 173951 52369 digits
n = 291793 87843 digits
n = 370321 111482 digits May 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 525293 158133 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 544441 163897 digits Aug 2010 Gary Desmond; PSieve; srsieve; PrimeGrid; LLR
n = 601381 181038 digits Jan 2011 Stuart Hands; PSieve; srsieve; PrimeGrid; LLR
n = 918661 276549 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1661791 500253 digits Feb 2022 Alen Kecic; PSieve; srsieve; PrimeGrid; LLR
n = 1909207 574733 digits Feb 2024 Jens Katzur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7417
max n: 2.372.881
n = 2 5 digits
n = 4 6 digits
n = 22 11 digits
n = 24 12 digits
n = 28 13 digits
n = 48 19 digits
n = 50 19 digits
n = 64 24 digits
n = 66 24 digits
n = 86 30 digits
n = 108 37 digits
n = 112 38 digits
n = 170 56 digits
n = 176 57 digits
n = 224 72 digits
n = 234 75 digits
n = 246 78 digits
n = 286 90 digits
n = 332 104 digits
n = 344 108 digits
n = 446 139 digits
n = 612 189 digits
n = 620 191 digits
n = 1028 314 digits
n = 1106 337 digits
n = 1262 384 digits
n = 1348 410 digits
n = 1506 458 digits
n = 1832 556 digits
n = 2680 811 digits
n = 5274 1592 digits
n = 6072 1832 digits
n = 7022 2118 digits Mar 1996 Patrick Demichel
n = 10754 3242 digits
n = 16464 4961 digits
n = 26954 8118 digits
n = 29970 9026 digits
n = 45314 13645 digits
n = 58470 17606 digits
n = 67914 20449 digits
n = 84056 25308 digits
n = 106340 32016 digits
n = 124570 37504 digits
n = 164030 49382 digits
n = 172454 51918 digits
n = 218424 65757 digits
n = 268624 80868 digits
n = 323400 97357 digits
n = 331212 99709 digits
n = 409550 123291 digits Sep 2012 Bart Kus; PPSE; PrimeGrid
n = 486416 146430 digits Jan 2010 Uygar Suen; PSieve; srsieve; PrimeGrid; LLR
n = 585554 176274 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 743094 223698 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1765454 531459 digits Oct 2023 Jaroslav Sekanina; PPSE; PrimeGrid
n = 2313980 696582 digits Oct 2025 Kai Presler; PPSE; PrimeGrid
k: 7419
max n: 2.373.184
n = 5 6 digits
n = 7 6 digits
n = 13 8 digits
n = 29 13 digits
n = 38 16 digits
n = 97 34 digits
n = 133 44 digits
n = 194 63 digits
n = 275 87 digits
n = 295 93 digits
n = 407 127 digits
n = 409 127 digits
n = 854 261 digits
n = 1103 336 digits
n = 1133 345 digits
n = 2255 683 digits
n = 3413 1032 digits 1993 Jeffrey Young
n = 4435 1339 digits 1993 Jeffrey Young
n = 5615 1695 digits
n = 9097 2743 digits
n = 16889 5088 digits
n = 21497 6476 digits
n = 39647 11939 digits
n = 52502 15809 digits
n = 58057 17481 digits May 1999 Tadashi Taura; Proth
n = 268982 80976 digits
n = 380437 114527 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 436934 131535 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 515437 155166 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 747842 225127 digits Feb 2012 Mark Doom; PSieve; srsieve; PrimeGrid; LLR
n = 828158 249305 digits Apr 2012 Fujimoto; PSieve; srsieve; PrimeGrid; LLR
n = 1446146 435338 digits Apr 2017 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 1920026 577990 digits Mar 2024 A.J. Crime; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7421
max n: 2.372.752
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 89 31 digits
n = 97 34 digits
n = 145 48 digits
n = 153 50 digits
n = 183 59 digits
n = 345 108 digits
n = 721 221 digits
n = 1267 386 digits
n = 8343 2516 digits
n = 20529 6184 digits
n = 25289 7617 digits
n = 61479 18511 digits
n = 115923 34901 digits
n = 137007 41248 digits
n = 159975 48162 digits
n = 769481 231641 digits Feb 2012 Darrell Hoffpauir; PSieve; srsieve; PrimeGrid; LLR
n = 1890543 569115 digits Feb 2024 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7423
max n: 2.372.711
n = 6 6 digits
n = 12 8 digits
n = 14 9 digits
n = 18 10 digits
n = 20 10 digits
n = 36 15 digits
n = 78 28 digits
n = 482 149 digits
n = 546 169 digits
n = 554 171 digits
n = 678 208 digits
n = 1118 341 digits
n = 2228 675 digits
n = 5042 1522 digits
n = 6080 1835 digits
n = 7194 2170 digits
n = 7740 2334 digits May 1996 Patrick Demichel
n = 8138 2454 digits May 1996 Patrick Demichel
n = 9672 2916 digits
n = 12524 3774 digits
n = 13152 3964 digits
n = 41004 12348 digits
n = 50684 15262 digits
n = 51974 15650 digits
n = 55176 16614 digits
n = 61622 18554 digits
n = 69458 20913 digits
n = 78642 23678 digits
n = 103902 31282 digits
n = 117062 35244 digits
n = 181908 54764 digits
n = 272790 82122 digits
n = 296400 89230 digits
n = 308550 92887 digits
n = 424572 127813 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 458982 138172 digits Jun 2009 Dale Laluk; srsieve; PrimeGrid; LLR
n = 482666 145301 digits Dec 2009 Dave Sunderland; PSieve; srsieve; PrimeGrid; LLR
n = 821540 247313 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2276754 685376 digits May 2025 Li Yawei; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3437856 1034902 digits Nov 2022 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7425
max n: 2.372.562
n = 1 5 digits
n = 4 6 digits
n = 7 6 digits
n = 10 7 digits
n = 12 8 digits
n = 18 10 digits
n = 24 12 digits
n = 43 17 digits
n = 57 22 digits
n = 72 26 digits
n = 84 30 digits
n = 105 36 digits
n = 111 38 digits
n = 159 52 digits
n = 169 55 digits
n = 175 57 digits
n = 181 59 digits
n = 192 62 digits
n = 216 69 digits
n = 307 97 digits
n = 400 125 digits
n = 418 130 digits
n = 475 147 digits
n = 709 218 digits
n = 903 276 digits
n = 954 292 digits
n = 1512 460 digits
n = 1876 569 digits
n = 3604 1089 digits 1993 Jeffrey Young
n = 4404 1330 digits 1993 Jeffrey Young
n = 5779 1744 digits
n = 6111 1844 digits
n = 13380 4032 digits
n = 15151 4565 digits
n = 16057 4838 digits
n = 16210 4884 digits
n = 20035 6036 digits
n = 20725 6243 digits
n = 35733 10761 digits
n = 56064 16881 digits
n = 58809 17708 digits
n = 66679 20077 digits
n = 96900 29174 digits
n = 117787 35462 digits
n = 131367 39550 digits
n = 143017 43057 digits
n = 220743 66455 digits
n = 261811 78817 digits
n = 318447 95866 digits
n = 365437 110012 digits May 2012 PPSE; PrimeGrid
n = 406179 122276 digits Aug 2012 Adrian Schori; PPSE; PrimeGrid
n = 540225 162628 digits Aug 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 589146 177355 digits Dec 2010 Werner Soika; PSieve; srsieve; PrimeGrid; LLR
n = 655794 197418 digits Mar 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 705711 212445 digits Sep 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 970512 292158 digits Aug 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1309852 394309 digits Feb 2015 Jason McManus; PSieve; srsieve; PrimeGrid; LLR
n = 1392616 419224 digits Feb 2016 Ken Ito; PSieve; srsieve; PrimeGrid; LLR
n = 1510183 454615 digits Jan 2019 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 2001559 602534 digits Oct 2024 Gregory Bennett; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2097580 631439 digits Jan 2025 Mark Williams; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7427
max n: 2.373.394
n = 3 5 digits
n = 19 10 digits
n = 83 29 digits
n = 227 73 digits
n = 963 294 digits
n = 1051 321 digits
n = 2259 684 digits
n = 36795 11081 digits
n = 44763 13479 digits
n = 48827 14703 digits
n = 58179 17518 digits
n = 112275 33803 digits
n = 297587 89587 digits
n = 693595 208797 digits Sep 2011 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1270275 382395 digits May 2014 Jörg Meili; PSieve; srsieve; PrimeGrid; LLR
k: 7429
max n: 2.373.201
n = 2 5 digits
n = 6 6 digits
n = 10 7 digits
n = 14 9 digits
n = 18 10 digits
n = 30 13 digits
n = 62 23 digits
n = 86 30 digits
n = 186 60 digits
n = 306 96 digits
n = 318 100 digits
n = 334 105 digits
n = 1162 354 digits
n = 1586 482 digits
n = 2602 788 digits
n = 15698 4730 digits
n = 15866 4781 digits
n = 35362 10649 digits
n = 41858 12605 digits
n = 43230 13018 digits
n = 47806 14395 digits
n = 58886 17731 digits
n = 59810 18009 digits
n = 61190 18424 digits
n = 106234 31984 digits
n = 177610 53470 digits
n = 280774 84526 digits
n = 337118 101487 digits Apr 2012 Patrick Schöfer; PPSE; PrimeGrid
n = 337710 101665 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 783082 235736 digits Mar 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 799518 240683 digits Mar 2012 Thomas Siegemund; PSieve; srsieve; PrimeGrid; LLR
n = 838110 252301 digits Apr 2012 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1813370 545883 digits Jan 2024 Louis Meuler; PPSE; PrimeGrid
n = 1819498 547728 digits Jan 2024 Ricky L Hubbard; PPSE; PrimeGrid
k: 7431
max n: 2.372.902
n = 4 6 digits
n = 33 14 digits
n = 40 16 digits
n = 48 19 digits
n = 57 22 digits
n = 103 35 digits
n = 157 52 digits
n = 164 54 digits
n = 204 66 digits
n = 284 90 digits
n = 300 95 digits
n = 304 96 digits
n = 324 102 digits
n = 349 109 digits
n = 380 119 digits
n = 383 120 digits
n = 583 180 digits
n = 648 199 digits
n = 1535 466 digits
n = 2945 891 digits
n = 4319 1305 digits 1993 Jeffrey Young
n = 4513 1363 digits 1993 Jeffrey Young
n = 4620 1395 digits 1993 Jeffrey Young
n = 4679 1413 digits 1993 Jeffrey Young
n = 11069 3336 digits
n = 14584 4395 digits
n = 15029 4529 digits Nov 1997 Henri Lifchitz; Proth
n = 23032 6938 digits
n = 24613 7414 digits
n = 25140 7572 digits
n = 41341 12449 digits
n = 47580 14327 digits
n = 55333 16661 digits
n = 57264 17243 digits
n = 73188 22036 digits
n = 86260 25971 digits
n = 93484 28146 digits
n = 119617 36013 digits
n = 131980 39734 digits
n = 133077 40065 digits
n = 158032 47577 digits
n = 169560 51047 digits
n = 295445 88942 digits
n = 424639 127833 digits Nov 2012 Sami Heikkila; PPSE; PrimeGrid
n = 554821 167022 digits Oct 2010 Michael Goldman; PSieve; srsieve; PrimeGrid; LLR
n = 563345 169588 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 722380 217462 digits Nov 2011 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 925740 278680 digits Jun 2012 Krzysztof Ostaszewski; PSieve; srsieve; PrimeGrid; LLR
n = 1001868 301597 digits Sep 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1658028 499121 digits Feb 2022 Dao Heng Liu; PSieve; srsieve; PrimeGrid; LLR
n = 1871807 563474 digits Feb 2024 Rene Schick; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7433
max n: 2.372.664
n = 1 5 digits
n = 5 6 digits
n = 17 9 digits
n = 53 20 digits
n = 161 53 digits
n = 229 73 digits
n = 401 125 digits
n = 1361 414 digits
n = 4061 1227 digits 1993 Jeffrey Young
n = 9373 2826 digits
n = 14729 4438 digits
n = 18161 5471 digits
n = 33349 10043 digits
n = 130249 39213 digits
n = 216269 65108 digits
n = 319073 96055 digits
n = 501725 151039 digits Aug 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 658649 198277 digits Mar 2011 Jacek Kotnowski; PSieve; srsieve; PrimeGrid; LLR
n = 668245 201166 digits Apr 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1388353 417940 digits Feb 2016 Bob Bussard; PSieve; srsieve; PrimeGrid; LLR
k: 7435
max n: 2.372.897
n = 2 5 digits
n = 6 6 digits
n = 16 9 digits
n = 22 11 digits
n = 32 14 digits
n = 38 16 digits
n = 56 21 digits
n = 94 33 digits
n = 104 36 digits
n = 106 36 digits
n = 122 41 digits
n = 136 45 digits
n = 158 52 digits
n = 196 63 digits
n = 314 99 digits
n = 594 183 digits
n = 714 219 digits
n = 722 222 digits
n = 798 245 digits
n = 1234 376 digits
n = 1444 439 digits
n = 2034 617 digits
n = 2668 808 digits
n = 5334 1610 digits
n = 6106 1842 digits
n = 6182 1865 digits
n = 7058 2129 digits
n = 7842 2365 digits
n = 8266 2493 digits
n = 9824 2962 digits
n = 12734 3838 digits
n = 21738 6548 digits
n = 24308 7322 digits
n = 44454 13386 digits
n = 44794 13489 digits
n = 61856 18625 digits
n = 107138 32256 digits
n = 129198 38897 digits
n = 138196 41606 digits
n = 184184 55449 digits
n = 281744 84818 digits
n = 301538 90776 digits
n = 410246 123501 digits Sep 2012 Adrian Schori; PPSE; PrimeGrid
n = 490046 147523 digits Feb 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 562694 169392 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 563262 169563 digits Oct 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 764966 230282 digits Feb 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 820736 247071 digits Apr 2012 Steve Gilroy; PSieve; srsieve; PrimeGrid; LLR
n = 1009862 304003 digits Oct 2012 Leo Janda; PSieve; srsieve; PrimeGrid; LLR
n = 1933756 582123 digits Mar 2024 Alexey Simbarsky; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2202178 662926 digits Feb 2025 Margus Sõmer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7437
max n: 2.373.322
n = 3 5 digits
n = 8 7 digits
n = 14 9 digits
n = 20 10 digits
n = 23 11 digits
n = 32 14 digits
n = 39 16 digits
n = 47 19 digits
n = 51 20 digits
n = 71 26 digits
n = 242 77 digits
n = 320 101 digits
n = 468 145 digits
n = 482 149 digits
n = 734 225 digits
n = 1059 323 digits
n = 1376 419 digits
n = 4191 1266 digits 1993 Jeffrey Young
n = 6168 1861 digits
n = 7443 2245 digits
n = 8600 2593 digits May 1996 Patrick Demichel
n = 10754 3242 digits
n = 11232 3386 digits May 1996 Patrick Demichel
n = 56067 16882 digits
n = 127394 38354 digits
n = 478116 143932 digits Oct 2009 Ian Dickinson; srsieve; PrimeGrid; LLR
n = 564387 169902 digits Oct 2010 Werner Soika; PSieve; srsieve; PrimeGrid; LLR
n = 652731 196496 digits Mar 2011 Qian Jin; PSieve; srsieve; PrimeGrid; LLR
n = 705380 212345 digits Sep 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1119851 337113 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1174856 353671 digits Oct 2013 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
n = 1514679 455968 digits Feb 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1626674 489682 digits Feb 2021 Christian Klucken; PSieve; srsieve; PrimeGrid; LLR
n = 2277392 685568 digits May 2025 PPSE; PrimeGrid
k: 7439
max n: 2.372.642
n = 1 5 digits
n = 3 5 digits
n = 13 8 digits
n = 21 11 digits
n = 33 14 digits
n = 79 28 digits
n = 199 64 digits
n = 271 86 digits
n = 423 132 digits
n = 559 173 digits
n = 2709 820 digits
n = 3771 1140 digits 1993 Jeffrey Young
n = 14881 4484 digits
n = 23949 7214 digits
n = 46263 13931 digits
n = 111183 33474 digits
n = 390721 117623 digits Jul 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 678613 204287 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 7441
max n: 2.372.355
n = 4 6 digits
n = 8 7 digits
n = 24 12 digits
n = 28 13 digits
n = 32 14 digits
n = 96 33 digits
n = 148 49 digits
n = 204 66 digits
n = 252 80 digits
n = 2408 729 digits
n = 4712 1423 digits 1993 Jeffrey Young
n = 7192 2169 digits
n = 66404 19994 digits
n = 79292 23874 digits
n = 293104 88237 digits
n = 1449904 436469 digits Jun 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 7443
max n: 2.373.221
n = 1 5 digits
n = 4 6 digits
n = 9 7 digits
n = 10 7 digits
n = 12 8 digits
n = 14 9 digits
n = 22 11 digits
n = 29 13 digits
n = 36 15 digits
n = 37 16 digits
n = 41 17 digits
n = 42 17 digits
n = 53 20 digits
n = 54 21 digits
n = 69 25 digits
n = 73 26 digits
n = 80 28 digits
n = 81 29 digits
n = 196 63 digits
n = 333 105 digits
n = 374 117 digits
n = 392 122 digits
n = 552 171 digits
n = 714 219 digits
n = 724 222 digits
n = 730 224 digits
n = 1765 536 digits
n = 3597 1087 digits 1993 Jeffrey Young
n = 3882 1173 digits 1993 Jeffrey Young
n = 4169 1259 digits 1993 Jeffrey Young
n = 5181 1564 digits
n = 6684 2016 digits Mar 1996 Patrick Demichel
n = 12024 3624 digits
n = 13324 4015 digits
n = 15476 4663 digits
n = 19189 5781 digits
n = 23446 7062 digits
n = 30202 9096 digits
n = 31553 9503 digits
n = 35009 10543 digits
n = 37490 11290 digits
n = 41326 12445 digits
n = 71717 21593 digits
n = 74609 22464 digits
n = 77821 23431 digits
n = 83981 25285 digits
n = 84380 25405 digits
n = 91769 27630 digits
n = 98854 29762 digits
n = 103172 31062 digits
n = 134042 40355 digits
n = 145133 43694 digits
n = 164944 49657 digits
n = 174850 52639 digits
n = 231452 69678 digits
n = 250921 75539 digits
n = 272932 82165 digits
n = 284326 85595 digits
n = 304962 91807 digits
n = 314706 94740 digits
n = 456504 137426 digits May 2009 Dave Sunderland; srsieve; PrimeGrid; LLR
n = 479336 144299 digits Oct 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 610745 183857 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 676570 203672 digits Aug 2011 Reuben Gathright; PSieve; srsieve; PrimeGrid; LLR
n = 692385 208433 digits Sep 2011 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 1075782 323847 digits May 2013 Dave Wintrip; PSieve; srsieve; PrimeGrid; LLR
n = 1098746 330760 digits Jun 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1301605 391827 digits Feb 2015 Tod Slakans; PSieve; srsieve; PrimeGrid; LLR
n = 1393549 419504 digits Feb 2016 Javi Jarne; PSieve; srsieve; PrimeGrid; LLR
n = 1405504 423103 digits May 2016 Steven Janowiecki; PSieve; srsieve; PrimeGrid; LLR
n = 1706560 513730 digits Aug 2022 Howard Shi; PPSE; PrimeGrid
n = 1805404 543485 digits Jan 2024 Toon Pistorius; PPSE; PrimeGrid
n = 3390141 1020539 digits Dec 2021 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7445
max n: 2.373.076
n = 1 5 digits
n = 3 5 digits
n = 11 8 digits
n = 17 9 digits
n = 75 27 digits
n = 91 32 digits
n = 115 39 digits
n = 273 87 digits
n = 407 127 digits
n = 425 132 digits
n = 565 174 digits
n = 871 267 digits
n = 953 291 digits
n = 1123 342 digits
n = 1813 550 digits
n = 2101 637 digits
n = 3035 918 digits
n = 3545 1072 digits 1993 Jeffrey Young
n = 8953 2699 digits
n = 10101 3045 digits
n = 12635 3808 digits
n = 19063 5743 digits
n = 26095 7860 digits
n = 81605 24570 digits
n = 91551 27564 digits
n = 108395 32635 digits
n = 115675 34826 digits
n = 128005 38538 digits
n = 137861 41505 digits
n = 515621 155222 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 730441 219889 digits Feb 2012 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 1046595 315061 digits Feb 2013 Timothy Reichard; PSieve; srsieve; PrimeGrid; LLR
n = 1069255 321882 digits May 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1431701 430989 digits Jan 2017 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1534195 461843 digits Mar 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1886785 567983 digits Feb 2024 Glenn Mayall; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7447
max n: 2.373.406
n = 2 5 digits
n = 10 7 digits
n = 16 9 digits
n = 56 21 digits
n = 64 24 digits
n = 70 25 digits
n = 110 37 digits
n = 178 58 digits
n = 184 60 digits
n = 280 89 digits
n = 304 96 digits
n = 482 149 digits
n = 712 219 digits
n = 4544 1372 digits 1993 Jeffrey Young
n = 5782 1745 digits
n = 12022 3623 digits
n = 13174 3970 digits
n = 24226 7297 digits
n = 24418 7355 digits Jul 1998 Baptiste Heyman; Proth
n = 27634 8323 digits
n = 28282 8518 digits
n = 39158 11792 digits
n = 46496 14001 digits
n = 47414 14277 digits
n = 127018 38241 digits
n = 143176 43105 digits
n = 162122 48808 digits
n = 234122 70482 digits
n = 253216 76230 digits
n = 292210 87968 digits
n = 301840 90867 digits
n = 541282 162946 digits Aug 2010 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 1138970 342869 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1248322 375787 digits Mar 2014 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1564486 470962 digits Feb 2020 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 7449
max n: 2.372.794
n = 5 6 digits
n = 6 6 digits
n = 7 6 digits
n = 13 8 digits
n = 15 9 digits
n = 17 9 digits
n = 29 13 digits
n = 37 16 digits
n = 39 16 digits
n = 49 19 digits
n = 59 22 digits
n = 79 28 digits
n = 95 33 digits
n = 175 57 digits
n = 197 64 digits
n = 230 74 digits
n = 285 90 digits
n = 385 120 digits
n = 427 133 digits
n = 537 166 digits
n = 547 169 digits
n = 595 183 digits
n = 811 249 digits
n = 1375 418 digits
n = 2179 660 digits
n = 2317 702 digits
n = 2537 768 digits
n = 4537 1370 digits 1993 Jeffrey Young
n = 4587 1385 digits 1993 Jeffrey Young
n = 5025 1517 digits
n = 5253 1586 digits
n = 5871 1772 digits
n = 6463 1950 digits
n = 6959 2099 digits
n = 7143 2155 digits
n = 11970 3608 digits
n = 15665 4720 digits
n = 15855 4777 digits
n = 16871 5083 digits
n = 25201 7591 digits
n = 30295 9124 digits
n = 32309 9730 digits
n = 33095 9967 digits
n = 33999 10239 digits
n = 34537 10401 digits
n = 34669 10441 digits
n = 36113 10875 digits
n = 36605 11024 digits
n = 39957 12033 digits
n = 48919 14730 digits
n = 49266 14835 digits
n = 55770 16793 digits
n = 62838 18920 digits
n = 82049 24704 digits
n = 87987 26491 digits
n = 138025 41554 digits
n = 145075 43676 digits
n = 243211 73218 digits
n = 268253 80757 digits
n = 315146 94873 digits
n = 374541 112752 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 474659 142891 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 756323 227680 digits Feb 2012 Neil Goodall; PSieve; srsieve; PrimeGrid; LLR
n = 885255 266493 digits May 2012 Sascha Thorsten Dietsch; PSieve; srsieve; PrimeGrid; LLR
n = 1033647 311163 digits Jan 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1101162 331487 digits Jul 2013 Chaichontat Sriworarat; PSieve; srsieve; PrimeGrid; LLR
n = 2366409 712364 digits May 2026 Valter Cavecchia; PPSE; PrimeGrid
k: 7451
max n: 2.373.266
n = 81 29 digits
n = 897 274 digits
n = 2091 634 digits
n = 6987 2108 digits Mar 1996 Patrick Demichel
n = 8139 2454 digits May 1996 Patrick Demichel
n = 16557 4989 digits
n = 17511 5276 digits
n = 17927 5401 digits
n = 38067 11464 digits
n = 525669 158247 digits Jul 2010 Danny T. Morris; PSieve; srsieve; PrimeGrid; LLR
n = 1909539 574833 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7453
max n: 2.373.390
n = 18 10 digits
n = 42 17 digits
n = 72 26 digits
n = 82 29 digits
n = 94 33 digits
n = 178 58 digits
n = 214 69 digits
n = 582 180 digits
n = 970 296 digits
n = 1200 366 digits
n = 1642 499 digits
n = 3178 961 digits
n = 3600 1088 digits 1993 Jeffrey Young
n = 5970 1802 digits
n = 11902 3587 digits
n = 16954 5108 digits
n = 54324 16358 digits
n = 55954 16848 digits
n = 63190 19026 digits
n = 124534 37493 digits
n = 145938 43936 digits
n = 153564 46232 digits
n = 164700 49584 digits
n = 223188 67191 digits
n = 449458 135305 digits Jan 2013 Michael Millerick; PPSE; PrimeGrid
n = 511992 154129 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 517794 155876 digits Jun 2010 Daishin Ueyama; PSieve; srsieve; PrimeGrid; LLR
n = 871834 262453 digits May 2012 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 997810 300375 digits Sep 2012 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1105008 332645 digits Jul 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1340002 403385 digits Jun 2015 Robert L. Clark; PSieve; srsieve; PrimeGrid; LLR
n = 1440408 433610 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1669758 502652 digits Feb 2022 Greg Miller; PSieve; srsieve; PrimeGrid; LLR
n = 1896432 570887 digits Feb 2024 Drew Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1905102 573497 digits Feb 2024 Steven Wong; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7455
max n: 2.372.958
n = 10 7 digits
n = 18 10 digits
n = 28 13 digits
n = 38 16 digits
n = 60 22 digits
n = 74 27 digits
n = 95 33 digits
n = 134 45 digits
n = 220 71 digits
n = 275 87 digits
n = 338 106 digits
n = 828 254 digits
n = 1439 438 digits
n = 1555 472 digits
n = 2200 667 digits
n = 2574 779 digits
n = 2848 862 digits
n = 4874 1472 digits 1993 Jeffrey Young
n = 5023 1516 digits
n = 5578 1684 digits
n = 10003 3016 digits
n = 10907 3288 digits
n = 11340 3418 digits
n = 13567 4088 digits
n = 19158 5772 digits
n = 41014 12351 digits Sep 1998 Tallak Harald Breivik; Proth
n = 45564 13721 digits
n = 50024 15063 digits
n = 50838 15308 digits
n = 57938 17445 digits May 1999 Tadashi Taura; Proth
n = 59734 17986 digits
n = 93794 28239 digits
n = 118660 35725 digits
n = 133030 40050 digits
n = 151865 45720 digits
n = 250895 75531 digits
n = 267115 80414 digits
n = 421538 126900 digits Nov 2012 Jörg Meili; PPSE; PrimeGrid
n = 616768 185670 digits Jan 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 626369 188560 digits Feb 2011 Gary Van Meter; PSieve; srsieve; PrimeGrid; LLR
n = 733475 220802 digits Feb 2012 Jiro Aso; PSieve; srsieve; PrimeGrid; LLR
n = 919475 276794 digits Jun 2012 Takeshi Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 996610 300014 digits Sep 2012 Ed Braaten; PSieve; srsieve; PrimeGrid; LLR
n = 2209187 665036 digits Feb 2025 William Dean; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7457
max n: 2.373.394
n = 7 6 digits
n = 35 15 digits
n = 43 17 digits
n = 119 40 digits
n = 131 44 digits
n = 527 163 digits
n = 655 202 digits
n = 1991 604 digits
n = 2243 680 digits
n = 3847 1162 digits 1993 Jeffrey Young
n = 32819 9884 digits
n = 55751 16787 digits
n = 59659 17964 digits May 1997 Jeffrey Young
n = 114727 34541 digits
n = 167087 50303 digits
n = 177167 53337 digits
n = 279007 83994 digits
n = 406919 122499 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 1050119 316122 digits May 2013 Paul Lantinga; PSieve; srsieve; PrimeGrid; LLR
k: 7459
max n: 2.372.361
n = 2 5 digits
n = 122 41 digits
n = 226 72 digits
n = 338 106 digits
n = 394 123 digits
n = 1906 578 digits
n = 16410 4944 digits
n = 49010 14758 digits
n = 95530 28762 digits
n = 139074 41870 digits
n = 181634 54682 digits
n = 246282 74143 digits
n = 301738 90837 digits
n = 1031770 310598 digits Jan 2013 Mika Saksanen; NewPGen; PrimeGrid; Twin Prime Search; LLR
n = 1328170 399823 digits Mar 2015 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1370018 412421 digits Dec 2015 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 7461
max n: 2.372.752
n = 1 5 digits
n = 29 13 digits
n = 32 14 digits
n = 83 29 digits
n = 89 31 digits
n = 196 63 digits
n = 539 167 digits
n = 635 196 digits
n = 808 248 digits
n = 1369 416 digits
n = 1565 475 digits
n = 2209 669 digits
n = 2675 810 digits
n = 3401 1028 digits 1993 Jeffrey Young
n = 3689 1115 digits 1993 Jeffrey Young
n = 6173 1863 digits
n = 29456 8872 digits
n = 63305 19061 digits
n = 94408 28424 digits
n = 168379 50692 digits
n = 289843 87256 digits
n = 339932 102334 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 527756 158875 digits Jul 2010 Piotr Malara; PSieve; srsieve; PrimeGrid; LLR
n = 774233 233072 digits Feb 2012 Fumikazu Ameta; PSieve; srsieve; PrimeGrid; LLR
n = 1307171 393502 digits Feb 2015 Joseph Marshall; PSieve; srsieve; PrimeGrid; LLR
n = 1565033 471126 digits Feb 2020 Konstantin Manz; PSieve; srsieve; PrimeGrid; LLR
k: 7463
max n: 2.372.272
n = 9 7 digits
n = 33 14 digits
n = 53 20 digits
n = 65 24 digits
n = 129 43 digits
n = 205 66 digits
n = 313 99 digits
n = 2065 626 digits
n = 3233 978 digits
n = 8905 2685 digits
n = 63169 19020 digits
n = 82009 24692 digits
n = 224869 67697 digits
n = 233209 70207 digits
n = 247273 74441 digits
n = 1602433 482385 digits Sep 2020 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 7465
max n: 2.373.191
n = 36 15 digits
n = 104 36 digits
n = 114 39 digits
n = 120 40 digits
n = 174 57 digits
n = 222 71 digits
n = 414 129 digits
n = 930 284 digits
n = 2420 733 digits
n = 4416 1334 digits 1993 Jeffrey Young
n = 9366 2824 digits
n = 34824 10487 digits
n = 54426 16388 digits
n = 54972 16553 digits
n = 112302 33811 digits
n = 143250 43127 digits
n = 791664 238319 digits Mar 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 796356 239731 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 800364 240938 digits Mar 2012 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
k: 7467
max n: 2.372.874
n = 7 6 digits
n = 16 9 digits
n = 27 13 digits
n = 51 20 digits
n = 64 24 digits
n = 535 165 digits
n = 751 230 digits
n = 1467 446 digits
n = 1720 522 digits
n = 3216 972 digits
n = 3327 1006 digits 1993 Jeffrey Young
n = 4255 1285 digits 1993 Jeffrey Young
n = 6204 1872 digits
n = 7080 2136 digits
n = 10060 3033 digits
n = 10356 3122 digits
n = 14166 4269 digits
n = 14406 4341 digits
n = 18115 5458 digits
n = 30307 9128 digits
n = 34062 10258 digits
n = 45411 13674 digits
n = 45792 13789 digits
n = 79647 23981 digits
n = 456631 137464 digits May 2009 Robert M Weis; srsieve; PrimeGrid; LLR
n = 590262 177691 digits Dec 2010 Alan Jung; PSieve; srsieve; PrimeGrid; LLR
n = 855376 257498 digits May 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1365964 411201 digits Nov 2015 Trevor Swann; PSieve; srsieve; PrimeGrid; LLR
n = 2263515 681390 digits Apr 2025 David Perek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7469
max n: 2.372.564
n = 1 5 digits
n = 3 5 digits
n = 25 12 digits
n = 27 13 digits
n = 45 18 digits
n = 73 26 digits
n = 97 34 digits
n = 125 42 digits
n = 177 58 digits
n = 207 67 digits
n = 461 143 digits
n = 637 196 digits
n = 681 209 digits
n = 1225 373 digits
n = 3525 1066 digits 1993 Jeffrey Young
n = 4983 1504 digits 1993 Jeffrey Young
n = 6577 1984 digits
n = 11577 3489 digits
n = 14597 4399 digits
n = 14641 4412 digits Feb 1998 Baptiste Heyman; Proth
n = 16191 4878 digits
n = 49427 14883 digits
n = 63291 19057 digits
n = 208503 62770 digits
n = 322981 97231 digits
n = 356813 107416 digits May 2012 PPSE; PrimeGrid
n = 412287 124115 digits Sep 2012 Bart Kus; PPSE; PrimeGrid
n = 545295 164155 digits Aug 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 845445 254509 digits Apr 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1135897 341943 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1768085 532251 digits Oct 2023 PPSE; PrimeGrid
n = 2207165 664427 digits Feb 2025 José Andrade; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2324613 699783 digits Nov 2025 Kennichi Uehara; PPSE; PrimeGrid
k: 7471
max n: 2.373.031
n = 8 7 digits
n = 508 157 digits
n = 1436 437 digits
n = 1760 534 digits
n = 11756 3543 digits
n = 13192 3976 digits
n = 108256 32593 digits
n = 121616 36614 digits
n = 215396 64845 digits
n = 256712 77282 digits
n = 355916 107146 digits May 2012 PPSE; PrimeGrid
n = 439452 132293 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 1000072 301056 digits Sep 2010 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1447520 435751 digits Apr 2017 Tyler Bredl; PSieve; srsieve; PrimeGrid; LLR
n = 1554820 468052 digits Jan 2020 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
n = 1576296 474517 digits Mar 2020 Pete Allivato; PSieve; srsieve; PrimeGrid; LLR
n = 1766040 531635 digits Oct 2023 Lukasz Piotrowski; PPSE; PrimeGrid
n = 1860900 560191 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7473
max n: 2.372.239
n = 1 5 digits
n = 4 6 digits
n = 5 6 digits
n = 6 6 digits
n = 8 7 digits
n = 9 7 digits
n = 29 13 digits
n = 40 16 digits
n = 41 17 digits
n = 44 18 digits
n = 45 18 digits
n = 56 21 digits
n = 58 22 digits
n = 64 24 digits
n = 66 24 digits
n = 78 28 digits
n = 86 30 digits
n = 92 32 digits
n = 101 35 digits
n = 110 37 digits
n = 148 49 digits
n = 177 58 digits
n = 181 59 digits
n = 206 66 digits
n = 218 70 digits
n = 286 90 digits
n = 381 119 digits
n = 389 121 digits
n = 636 196 digits
n = 709 218 digits
n = 856 262 digits
n = 1322 402 digits
n = 1424 433 digits
n = 1640 498 digits
n = 1690 513 digits
n = 1749 531 digits
n = 2096 635 digits
n = 2272 688 digits
n = 2714 821 digits
n = 2877 870 digits
n = 3709 1121 digits 1993 Jeffrey Young
n = 7274 2194 digits
n = 7282 2196 digits
n = 8242 2485 digits
n = 8504 2564 digits
n = 10048 3029 digits
n = 10710 3228 digits
n = 14138 4260 digits
n = 14862 4478 digits
n = 22574 6800 digits
n = 22640 6820 digits
n = 30904 9307 digits
n = 31408 9459 digits
n = 54224 16327 digits
n = 69329 20874 digits
n = 74706 22493 digits
n = 91480 27543 digits
n = 96965 29194 digits
n = 100206 30169 digits
n = 116056 34941 digits
n = 126425 38062 digits
n = 143628 43241 digits
n = 157732 47486 digits
n = 157781 47501 digits
n = 166780 50210 digits
n = 261528 78732 digits
n = 327098 98471 digits
n = 357261 107551 digits May 2012 PPSE; PrimeGrid
n = 603221 181592 digits Jan 2011 Tony Hopman; PSieve; srsieve; PrimeGrid; LLR
n = 951648 286479 digits Jul 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 979006 294715 digits Aug 2012 David Söderholm; PSieve; srsieve; PrimeGrid; LLR
n = 1164561 350572 digits Sep 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1178390 354735 digits Oct 2013 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
k: 7475
max n: 2.372.838
n = 1 5 digits
n = 5 6 digits
n = 7 6 digits
n = 31 14 digits
n = 35 15 digits
n = 41 17 digits
n = 43 17 digits
n = 103 35 digits
n = 149 49 digits
n = 155 51 digits
n = 175 57 digits
n = 197 64 digits
n = 235 75 digits
n = 295 93 digits
n = 541 167 digits
n = 793 243 digits
n = 853 261 digits
n = 1213 370 digits
n = 1889 573 digits
n = 2149 651 digits
n = 2815 852 digits
n = 4783 1444 digits 1993 Jeffrey Young
n = 4811 1453 digits 1993 Jeffrey Young
n = 9409 2837 digits
n = 15841 4773 digits
n = 19637 5916 digits
n = 19973 6017 digits
n = 20365 6135 digits
n = 23333 7028 digits
n = 25433 7660 digits
n = 30499 9185 digits
n = 49031 14764 digits
n = 55067 16581 digits
n = 73607 22162 digits
n = 111853 33675 digits
n = 133679 40246 digits
n = 239515 72106 digits
n = 331115 99680 digits
n = 374783 112825 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 511529 153990 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 600019 180628 digits Jan 2011 Mark Wickens; PSieve; srsieve; PrimeGrid; LLR
n = 681557 205173 digits Aug 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 764795 230231 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 805279 242418 digits Mar 2012 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 818045 246260 digits Apr 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 880699 265121 digits May 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1228307 369762 digits Jan 2014 Stefano D'Urso; NewPGen; PrimeGrid; Twin Prime Search; LLR
k: 7477
max n: 2.372.655
n = 4 6 digits
n = 20 10 digits
n = 384 120 digits
n = 1100 336 digits
n = 2630 796 digits
n = 3044 921 digits
n = 3108 940 digits
n = 9270 2795 digits
n = 14394 4337 digits
n = 17666 5322 digits
n = 48090 14481 digits
n = 102078 30733 digits
n = 122948 37015 digits
n = 158276 47650 digits
n = 217536 65489 digits Oct 2005 Douglas Stones; LLR
n = 220324 66329 digits
n = 270304 81374 digits
n = 318150 95777 digits
n = 335868 101111 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 365226 109948 digits May 2012 PPSE; PrimeGrid
n = 737826 222112 digits Feb 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 783360 235819 digits Mar 2012 Marc Koschewski; PSieve; srsieve; PrimeGrid; LLR
n = 1250284 376377 digits Apr 2014 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
k: 7479
max n: 2.373.118
n = 2 5 digits
n = 3 5 digits
n = 5 6 digits
n = 11 8 digits
n = 18 10 digits
n = 21 11 digits
n = 27 13 digits
n = 29 13 digits
n = 35 15 digits
n = 45 18 digits
n = 47 19 digits
n = 54 21 digits
n = 71 26 digits
n = 77 28 digits
n = 78 28 digits
n = 173 56 digits
n = 207 67 digits
n = 293 93 digits
n = 357 112 digits
n = 467 145 digits
n = 542 168 digits
n = 713 219 digits
n = 861 264 digits
n = 929 284 digits
n = 1079 329 digits
n = 1418 431 digits
n = 1454 442 digits
n = 1458 443 digits
n = 1602 487 digits
n = 1793 544 digits
n = 1917 581 digits
n = 2843 860 digits
n = 5973 1802 digits
n = 7373 2224 digits May 1996 Patrick Demichel
n = 20445 6159 digits
n = 27542 8295 digits
n = 36795 11081 digits
n = 40967 12337 digits
n = 48615 14639 digits
n = 99383 29922 digits
n = 132759 39969 digits
n = 145547 43818 digits
n = 202439 60945 digits
n = 212489 63970 digits
n = 260105 78304 digits
n = 274547 82651 digits
n = 279375 84105 digits
n = 305799 92059 digits
n = 364061 109598 digits May 2012 PPSE; PrimeGrid
n = 422597 127219 digits Nov 2012 Nikolaos Derziotis; PPSE; PrimeGrid
n = 1266635 381300 digits May 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1574579 474000 digits Feb 2020 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 1585889 477405 digits Sep 2020 Erik Veit; PSieve; srsieve; PrimeGrid; LLR
n = 1766531 531783 digits Oct 2023 Derek Gordon; PPSE; PrimeGrid
n = 1872593 563711 digits Feb 2024 Anthony Templin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3435683 1034248 digits Oct 2022 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7481
max n: 2.373.393
n = 9 7 digits
n = 19 10 digits
n = 21 11 digits
n = 33 14 digits
n = 43 17 digits
n = 87 31 digits
n = 249 79 digits
n = 393 123 digits
n = 417 130 digits
n = 1503 457 digits
n = 2023 613 digits
n = 5469 1651 digits
n = 9583 2889 digits
n = 10023 3022 digits
n = 16821 5068 digits
n = 20383 6140 digits
n = 62889 18936 digits
n = 216927 65306 digits
n = 414063 124650 digits Oct 2012 James Boerner; PPSE; PrimeGrid
n = 599059 180339 digits Dec 2010 Peter Benson; PSieve; srsieve; PrimeGrid; LLR
n = 1086127 326961 digits May 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1229203 370031 digits Jan 2014 Dwight Ringdahl; PSieve; srsieve; PrimeGrid; LLR
k: 7483
max n: 2.372.861
n = 6 6 digits
n = 8 7 digits
n = 24 12 digits
n = 52 20 digits
n = 56 21 digits
n = 58 22 digits
n = 68 25 digits
n = 94 33 digits
n = 114 39 digits
n = 122 41 digits
n = 140 47 digits
n = 224 72 digits
n = 282 89 digits
n = 662 204 digits
n = 718 221 digits
n = 896 274 digits
n = 1124 343 digits
n = 1138 347 digits
n = 1300 396 digits
n = 1346 410 digits
n = 1650 501 digits
n = 2410 730 digits
n = 5272 1591 digits
n = 8028 2421 digits
n = 9994 3013 digits
n = 10502 3166 digits
n = 10796 3254 digits
n = 15388 4637 digits
n = 21820 6573 digits
n = 45572 13723 digits
n = 52954 15945 digits
n = 76832 23133 digits
n = 113406 34143 digits
n = 117930 35505 digits
n = 159002 47869 digits
n = 212868 64084 digits
n = 240958 72540 digits
n = 294810 88751 digits
n = 313704 94439 digits
n = 326934 98421 digits
n = 363692 109487 digits May 2012 PPSE; PrimeGrid
n = 452422 136197 digits Apr 2009 Rob Pont; srsieve; PrimeGrid; LLR
n = 657552 197947 digits Mar 2011 Albert J. Klein; PSieve; srsieve; PrimeGrid; LLR
n = 860564 259060 digits May 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 969984 291999 digits Aug 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1086238 326995 digits May 2013 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1149764 346118 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 7485
max n: 2.372.609
n = 5 6 digits
n = 6 6 digits
n = 10 7 digits
n = 12 8 digits
n = 13 8 digits
n = 22 11 digits
n = 28 13 digits
n = 29 13 digits
n = 30 13 digits
n = 38 16 digits
n = 40 16 digits
n = 57 22 digits
n = 82 29 digits
n = 85 30 digits
n = 86 30 digits
n = 105 36 digits
n = 127 43 digits
n = 160 53 digits
n = 210 68 digits
n = 226 72 digits
n = 250 80 digits
n = 253 81 digits
n = 365 114 digits
n = 446 139 digits
n = 474 147 digits
n = 654 201 digits
n = 689 212 digits
n = 999 305 digits
n = 1252 381 digits
n = 1370 417 digits
n = 1466 446 digits
n = 1618 491 digits
n = 1668 506 digits
n = 2493 755 digits
n = 3130 947 digits
n = 3360 1016 digits 1993 Jeffrey Young
n = 3374 1020 digits 1993 Jeffrey Young
n = 3815 1153 digits 1993 Jeffrey Young
n = 4326 1307 digits 1993 Jeffrey Young
n = 5750 1735 digits
n = 5794 1749 digits
n = 7030 2121 digits
n = 8713 2627 digits
n = 14086 4245 digits
n = 19516 5879 digits
n = 20023 6032 digits Aug 1998 Jim Buddenhagen; Proth
n = 49800 14996 digits
n = 101709 30622 digits
n = 148059 44575 digits
n = 198343 59712 digits
n = 227065 68358 digits
n = 230548 69406 digits
n = 371698 111897 digits May 2012 Bruce Dodson; PPSE; PrimeGrid
n = 457462 137714 digits Jun 2009 Rodger M. Ewing; srsieve; PrimeGrid; LLR
n = 644887 194135 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 677815 204047 digits Aug 2011 Philipp Bliedung; PSieve; srsieve; PrimeGrid; LLR
n = 734117 220996 digits Feb 2012 Mark Doom; PSieve; srsieve; PrimeGrid; LLR
n = 765606 230475 digits Feb 2012 Predrag Kurtovic; srsieve; PrimeGrid; LLR
n = 1029058 309782 digits Oct 2012 Kimmo Myllyvirta; PSieve; srsieve; PrimeGrid; LLR
n = 1410993 424756 digits Jul 2016 Peter M Fahlenkamp; PSieve; srsieve; PrimeGrid; LLR
n = 1576410 474551 digits Mar 2020 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 7487
max n: 2.373.338
n = 23 11 digits
n = 35 15 digits
n = 39 16 digits
n = 59 22 digits
n = 155 51 digits
n = 159 52 digits
n = 555 171 digits
n = 2431 736 digits
n = 2971 899 digits
n = 3279 991 digits
n = 4375 1321 digits 1993 Jeffrey Young
n = 13519 4074 digits
n = 18847 5678 digits
n = 32315 9732 digits
n = 54879 16525 digits
n = 77739 23406 digits
n = 143803 43293 digits
n = 146899 44225 digits
n = 300731 90533 digits
n = 354219 106635 digits May 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 741419 223194 digits Feb 2012 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 1117851 336511 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1153675 347295 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 7489
max n: 2.373.434
n = 290 92 digits
n = 406 127 digits
n = 686 211 digits
n = 5498 1659 digits
n = 9622 2901 digits
n = 10846 3269 digits
n = 13714 4133 digits
n = 20726 6244 digits
n = 27602 8313 digits
n = 533954 160741 digits Jul 2010 Krzysztof Czernicki; PSieve; srsieve; PrimeGrid; LLR
k: 7491
max n: 2.372.764
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 7 6 digits
n = 8 7 digits
n = 16 9 digits
n = 23 11 digits
n = 31 14 digits
n = 71 26 digits
n = 75 27 digits
n = 121 41 digits
n = 129 43 digits
n = 131 44 digits
n = 213 68 digits
n = 327 103 digits
n = 332 104 digits
n = 416 130 digits
n = 445 138 digits
n = 571 176 digits
n = 763 234 digits
n = 787 241 digits
n = 1227 374 digits
n = 1332 405 digits
n = 2360 715 digits
n = 2607 789 digits
n = 2651 802 digits
n = 3075 930 digits
n = 3335 1008 digits 1993 Jeffrey Young
n = 3376 1021 digits 1993 Jeffrey Young
n = 3623 1095 digits 1993 Jeffrey Young
n = 3883 1173 digits 1993 Jeffrey Young
n = 5584 1685 digits
n = 5611 1693 digits
n = 5756 1737 digits
n = 6071 1832 digits
n = 7045 2125 digits
n = 9545 2878 digits
n = 9560 2882 digits
n = 11539 3478 digits
n = 12513 3771 digits
n = 12631 3807 digits
n = 13848 4173 digits
n = 14351 4324 digits
n = 14457 4356 digits
n = 15417 4645 digits
n = 17304 5213 digits
n = 18483 5568 digits
n = 24407 7352 digits Jun 1998 Baptiste Heyman; Proth
n = 25007 7532 digits
n = 28059 8451 digits
n = 32967 9928 digits
n = 34759 10468 digits
n = 67317 20269 digits
n = 67449 20309 digits
n = 84379 25405 digits
n = 90449 27232 digits
n = 96572 29075 digits
n = 104312 31405 digits
n = 133201 40102 digits
n = 134919 40619 digits
n = 183345 55197 digits
n = 226693 68246 digits
n = 236913 71322 digits
n = 324017 97543 digits
n = 367189 110539 digits May 2012 PPSE; PrimeGrid
n = 440013 132461 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 452265 136150 digits Apr 2009 Ben Rhodes; srsieve; PrimeGrid; LLR
n = 486368 146416 digits Jan 2010 Tim Rickard; PSieve; srsieve; PrimeGrid; LLR
n = 515784 155271 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 568624 171177 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 601436 181055 digits Jan 2011 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 797923 240203 digits Mar 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 860913 259165 digits May 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 875043 263419 digits May 2012 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 1034985 311566 digits Jan 2013 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 1144153 344429 digits Sep 2013 Jesper Hedlund; PSieve; srsieve; PrimeGrid; LLR
n = 1496257 450423 digits Jul 2018 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 1653839 497860 digits Jan 2022 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1923013 578889 digits Feb 2024 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2175369 654856 digits Feb 2025 Andrew McNary; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7493
max n: 2.372.464
n = 5249 1584 digits 1980 Robert Baillie
n = 7061 2130 digits
n = 9317 2809 digits
n = 24749 7455 digits
n = 49649 14950 digits
n = 107381 32329 digits
n = 149225 44926 digits
n = 290165 87353 digits
n = 1111025 334456 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 7495
max n: 2.373.009
n = 4 6 digits
n = 10 7 digits
n = 12 8 digits
n = 18 10 digits
n = 114 39 digits
n = 216 69 digits
n = 228 73 digits
n = 478 148 digits
n = 522 162 digits
n = 558 172 digits
n = 694 213 digits
n = 792 243 digits
n = 940 287 digits
n = 1528 464 digits
n = 3180 962 digits
n = 6690 2018 digits Mar 1996 Patrick Demichel
n = 12654 3814 digits
n = 19830 5974 digits
n = 24702 7440 digits
n = 45606 13733 digits
n = 50494 15205 digits
n = 51570 15528 digits
n = 93970 28292 digits
n = 95022 28609 digits
n = 195516 58861 digits
n = 243492 73303 digits
n = 273174 82238 digits
n = 396928 119492 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 981414 295439 digits Sep 2012 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1025638 308752 digits Oct 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1042104 313709 digits Jan 2013 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1458144 438949 digits Sep 2017 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1908132 574409 digits Feb 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1965630 591718 digits May 2024 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2014152 606325 digits Nov 2024 Bruce E. Slade; PPSE; PrimeGrid
n = 2139274 643990 digits Jan 2025 Greg Miller; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7497
max n: 2.372.447
n = 2 5 digits
n = 4 6 digits
n = 7 6 digits
n = 23 11 digits
n = 24 12 digits
n = 30 13 digits
n = 59 22 digits
n = 67 25 digits
n = 72 26 digits
n = 95 33 digits
n = 131 44 digits
n = 218 70 digits
n = 263 84 digits
n = 395 123 digits
n = 412 128 digits
n = 498 154 digits
n = 534 165 digits
n = 1127 344 digits
n = 1159 353 digits
n = 1178 359 digits
n = 1291 393 digits
n = 1312 399 digits
n = 1544 469 digits
n = 1559 474 digits
n = 1899 576 digits
n = 2107 639 digits
n = 2140 649 digits
n = 3090 935 digits
n = 3444 1041 digits 1993 Jeffrey Young
n = 3578 1081 digits 1993 Jeffrey Young
n = 5135 1550 digits
n = 6131 1850 digits
n = 6503 1962 digits
n = 11180 3370 digits
n = 12482 3762 digits
n = 17340 5224 digits
n = 17575 5295 digits
n = 34104 10271 digits
n = 38635 11635 digits
n = 69888 21043 digits
n = 70299 21166 digits
n = 84284 25376 digits
n = 98303 29597 digits
n = 125999 37934 digits
n = 189312 56993 digits
n = 260844 78526 digits
n = 329980 99338 digits
n = 369467 111225 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 374068 112610 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 380154 114442 digits Feb 2009 Richard Kapek; srsieve; PrimeGrid; LLR
n = 440948 132743 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 578712 174214 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 690263 207794 digits Sep 2011 Takeshi Sasahara; PSieve; srsieve; PrimeGrid; LLR
n = 694784 209155 digits Sep 2011 Sven Maurer; PSieve; srsieve; PrimeGrid; LLR
n = 787778 237149 digits Mar 2012 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 793555 238888 digits Mar 2012 Sergey Lovov; PSieve; srsieve; PrimeGrid; LLR
n = 910720 274158 digits Jun 2012 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1069324 321903 digits May 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1407972 423846 digits May 2016 Rolf Henrik Nilsson; PSieve; srsieve; PrimeGrid; LLR
n = 1759140 529558 digits Aug 2023 Pete Allivato; PPSE; PrimeGrid
n = 2074902 624612 digits Jan 2025 Sebastien Deram; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7499
max n: 2.372.920
n = 7 6 digits
n = 13 8 digits
n = 39 16 digits
n = 65 24 digits
n = 101 35 digits
n = 175 57 digits
n = 201 65 digits
n = 289 91 digits
n = 303 96 digits
n = 367 115 digits
n = 493 153 digits
n = 533 165 digits
n = 649 200 digits
n = 817 250 digits
n = 831 255 digits
n = 913 279 digits
n = 1117 341 digits
n = 1279 389 digits
n = 1815 551 digits
n = 2049 621 digits
n = 2189 663 digits
n = 3673 1110 digits 1993 Jeffrey Young
n = 4401 1329 digits 1993 Jeffrey Young
n = 5401 1630 digits
n = 9973 3007 digits
n = 14959 4507 digits
n = 47823 14401 digits
n = 60805 18309 digits
n = 84111 25324 digits
n = 106881 32179 digits
n = 127305 38327 digits
n = 146345 44059 digits
n = 151215 45525 digits
n = 173273 52165 digits
n = 261201 78634 digits
n = 652977 196570 digits Mar 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 767599 231075 digits Feb 2012 Michael Herman; PSieve; srsieve; PrimeGrid; LLR
n = 1502943 452435 digits Oct 2018 Damián Silvestre; PSieve; srsieve; PrimeGrid; LLR
k: 7501
max n: 2.372.491
n = 4 6 digits
n = 8 7 digits
n = 68 25 digits
n = 144 48 digits
n = 204 66 digits
n = 568 175 digits
n = 596 184 digits
n = 1356 413 digits
n = 2204 668 digits
n = 5788 1747 digits
n = 12808 3860 digits
n = 15408 4643 digits
n = 19388 5841 digits
n = 20412 6149 digits
n = 35236 10611 digits
n = 78452 23621 digits
n = 94904 28573 digits
n = 115404 34744 digits
n = 163152 49118 digits
n = 170248 51254 digits
n = 317764 95661 digits
n = 331208 99708 digits
n = 1047608 315366 digits Feb 2013 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 1806704 543876 digits Jan 2024 PPSE; PrimeGrid
n = 2039672 614007 digits Jan 2025 HyeongShin Kang; PPSE; PrimeGrid
k: 7503
max n: 2.373.159
n = 2 5 digits
n = 4 6 digits
n = 8 7 digits
n = 26 12 digits
n = 28 13 digits
n = 76 27 digits
n = 124 42 digits
n = 130 44 digits
n = 146 48 digits
n = 157 52 digits
n = 217 70 digits
n = 488 151 digits
n = 530 164 digits
n = 1186 361 digits
n = 1252 381 digits
n = 1813 550 digits
n = 1892 574 digits
n = 2060 624 digits
n = 2198 666 digits
n = 2974 900 digits
n = 11690 3523 digits
n = 13210 3981 digits
n = 15208 4582 digits
n = 15421 4647 digits
n = 16366 4931 digits May 1998 Richard Jones; Proth
n = 25582 7705 digits
n = 27760 8361 digits
n = 28642 8626 digits
n = 30710 9249 digits
n = 34624 10427 digits
n = 35396 10660 digits
n = 54856 16518 digits May 1999 Tadashi Taura; Proth
n = 113410 34144 digits
n = 130021 39145 digits
n = 161092 48498 digits
n = 166264 50055 digits
n = 191329 57600 digits
n = 261217 78639 digits
n = 384104 115631 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 442244 133133 digits Dec 2012 Rick Reynolds; PPSE; PrimeGrid
n = 528976 159242 digits Jul 2010 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 978410 294535 digits Aug 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1141018 343485 digits Sep 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1334614 401763 digits May 2015 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 7505
max n: 2.373.242
n = 3 5 digits
n = 11 8 digits
n = 13 8 digits
n = 23 11 digits
n = 115 39 digits
n = 133 44 digits
n = 339 106 digits
n = 563 174 digits
n = 751 230 digits
n = 835 256 digits
n = 4021 1215 digits 1993 Jeffrey Young
n = 7291 2199 digits
n = 19155 5771 digits
n = 24455 7366 digits Nov 1998 Baptiste Heyman; Proth
n = 28271 8515 digits
n = 30491 9183 digits
n = 43363 13058 digits
n = 50151 15101 digits
n = 51405 15479 digits
n = 59933 18046 digits
n = 103963 31300 digits
n = 144325 43451 digits
n = 286715 86314 digits
n = 317659 95629 digits
n = 352495 106116 digits May 2012 David Yost; PPSE; PrimeGrid
n = 403151 121365 digits Jul 2012 Dirk Dhuyvetters; PPSE; PrimeGrid
n = 404975 121914 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 471051 141805 digits Oct 2009 Rick Smith; srsieve; PrimeGrid; LLR
n = 491981 148105 digits Mar 2010 Larry Hays; PSieve; srsieve; PrimeGrid; LLR
n = 936343 281872 digits Jul 2012 John T Marshall; PSieve; srsieve; PrimeGrid; LLR
n = 1326251 399246 digits Mar 2015 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1442915 434365 digits Mar 2017 Hirofumi Tamagawa; PSieve; srsieve; PrimeGrid; LLR
k: 7507
max n: 2.372.861
n = 2 5 digits
n = 6 6 digits
n = 14 9 digits
n = 20 10 digits
n = 32 14 digits
n = 42 17 digits
n = 150 50 digits
n = 914 280 digits
n = 2084 632 digits
n = 4260 1287 digits 1993 Jeffrey Young
n = 9252 2790 digits
n = 11120 3352 digits
n = 24882 7495 digits
n = 38432 11574 digits
n = 61320 18464 digits
n = 81234 24458 digits Oct 2000 Chris Caldwell; Proth
n = 83324 25087 digits
n = 95202 28663 digits
n = 181482 54636 digits
n = 437742 131778 digits Dec 2012 PPSE; PrimeGrid
n = 3448920 1038233 digits Jan 2023 JanPeter Fischer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7509
max n: 2.373.080
n = 46 18 digits
n = 49 19 digits
n = 109 37 digits
n = 126 42 digits
n = 163 53 digits
n = 175 57 digits
n = 301 95 digits
n = 319 100 digits
n = 462 143 digits
n = 487 151 digits
n = 625 193 digits
n = 2145 650 digits
n = 10086 3041 digits
n = 11553 3482 digits
n = 15727 4739 digits
n = 29902 9006 digits
n = 39487 11891 digits
n = 44767 13481 digits
n = 57505 17315 digits
n = 103693 31219 digits
n = 183474 55236 digits
n = 359263 108153 digits May 2012 PPSE; PrimeGrid
n = 402394 121137 digits Jul 2012 Dirk Dhuyvetters; PPSE; PrimeGrid
n = 426421 128370 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 580122 174638 digits Nov 2010 Grant Busler; PSieve; srsieve; PrimeGrid; LLR
n = 655555 197346 digits Mar 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 968197 291461 digits Aug 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1121842 337712 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1714774 516203 digits Oct 2022 Larry Soule; PPSE; PrimeGrid
k: 7511
max n: 2.372.842
n = 3 5 digits
n = 5 6 digits
n = 11 8 digits
n = 17 9 digits
n = 23 11 digits
n = 25 12 digits
n = 35 15 digits
n = 485 150 digits
n = 515 159 digits
n = 693 213 digits
n = 1141 348 digits
n = 2061 625 digits
n = 2541 769 digits
n = 17657 5320 digits
n = 33177 9992 digits
n = 56501 17013 digits
n = 57497 17313 digits
n = 70965 21367 digits
n = 72215 21743 digits
n = 79603 23967 digits
n = 82331 24788 digits
n = 86355 26000 digits
n = 93673 28203 digits
n = 258537 77832 digits
n = 316413 95254 digits
n = 416241 125305 digits Oct 2012 James Boerner; PPSE; PrimeGrid
n = 512625 154320 digits Jun 2010 Bjorn Lindberg; PSieve; srsieve; PrimeGrid; LLR
n = 529937 159531 digits Jul 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 821393 247268 digits Apr 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1432637 431271 digits Jan 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1550903 466873 digits Dec 2019 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 3408985 1026211 digits Feb 2022 Bill Cavnaugh; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7513
max n: 2.373.315
n = 4 6 digits
n = 10 7 digits
n = 18 10 digits
n = 26 12 digits
n = 66 24 digits
n = 110 37 digits
n = 318 100 digits
n = 630 194 digits
n = 706 217 digits
n = 2026 614 digits
n = 3370 1019 digits 1993 Jeffrey Young
n = 3430 1037 digits 1993 Jeffrey Young
n = 3658 1106 digits 1993 Jeffrey Young
n = 4678 1413 digits 1993 Jeffrey Young
n = 8716 2628 digits
n = 11694 3525 digits
n = 13826 4166 digits
n = 16434 4952 digits
n = 17380 5236 digits
n = 22170 6678 digits
n = 29740 8957 digits
n = 33260 10017 digits
n = 44036 13261 digits
n = 63058 18987 digits
n = 93950 28286 digits
n = 117214 35289 digits
n = 173794 52322 digits
n = 197434 59438 digits
n = 230174 69294 digits
n = 257970 77661 digits
n = 299060 90030 digits
n = 615798 185378 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 709614 213619 digits Sep 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1029748 309989 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1056788 318129 digits May 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1133828 341321 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1529518 460435 digits Feb 2019 Christian Klucken; PSieve; srsieve; PrimeGrid; LLR
n = 1584340 476938 digits Aug 2020 Anthony Gulla; PSieve; srsieve; PrimeGrid; LLR
k: 7515
max n: 2.372.881
n = 1 5 digits
n = 8 7 digits
n = 17 9 digits
n = 26 12 digits
n = 33 14 digits
n = 37 16 digits
n = 39 16 digits
n = 63 23 digits
n = 77 28 digits
n = 87 31 digits
n = 129 43 digits
n = 149 49 digits
n = 175 57 digits
n = 181 59 digits
n = 206 66 digits
n = 221 71 digits
n = 245 78 digits
n = 363 114 digits
n = 437 136 digits
n = 495 153 digits
n = 611 188 digits
n = 723 222 digits
n = 759 233 digits
n = 919 281 digits
n = 935 286 digits
n = 1161 354 digits
n = 1183 360 digits
n = 1197 365 digits
n = 1759 534 digits
n = 1865 566 digits
n = 1977 600 digits
n = 2162 655 digits
n = 2640 799 digits
n = 2757 834 digits
n = 2839 859 digits
n = 3230 977 digits
n = 3482 1053 digits 1993 Jeffrey Young
n = 3777 1141 digits 1993 Jeffrey Young
n = 3872 1170 digits 1993 Jeffrey Young
n = 4101 1239 digits 1993 Jeffrey Young
n = 7461 2250 digits
n = 8570 2584 digits May 1996 Patrick Demichel
n = 10200 3075 digits
n = 11899 3586 digits
n = 12326 3715 digits
n = 14949 4504 digits
n = 15056 4537 digits
n = 15395 4639 digits
n = 15430 4649 digits
n = 22945 6912 digits
n = 24182 7284 digits
n = 28112 8467 digits
n = 36823 11089 digits
n = 40907 12319 digits
n = 46315 13947 digits
n = 67477 20317 digits
n = 83673 25192 digits
n = 87161 26242 digits
n = 97915 29480 digits
n = 100061 30126 digits
n = 102840 30962 digits
n = 114795 34561 digits
n = 142939 43033 digits
n = 148927 44836 digits
n = 168681 50782 digits
n = 188301 56689 digits
n = 238382 71765 digits
n = 278991 83989 digits
n = 284255 85574 digits
n = 344183 103614 digits Apr 2012 Vaughan Davies; PPSE; PrimeGrid
n = 447169 134616 digits Jan 2013 Oleksandr Vynogradov; PPSE; PrimeGrid
n = 505203 152086 digits May 2010 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 507731 152847 digits May 2010 Maxime Debosschere; PSieve; srsieve; PrimeGrid; LLR
n = 548489 165116 digits Sep 2010 Sebastian Diesing; PSieve; srsieve; PrimeGrid; LLR
n = 569402 171411 digits Nov 2010 Axel Höpstein; PSieve; srsieve; PrimeGrid; LLR
n = 691007 208018 digits Sep 2011 Tetsuya Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 726237 218623 digits Feb 2012 Göran Schmidt; PSieve; srsieve; PrimeGrid; LLR
n = 751847 226333 digits Feb 2012 Hon Ching Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1053579 317163 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1128101 339597 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1624848 489132 digits Feb 2021 Keith Reinhardt; PSieve; srsieve; PrimeGrid; LLR
n = 1677816 505077 digits Mar 2022 Detlef Lexut; PPSE; PrimeGrid
n = 2128859 640855 digits Jan 2025 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7517
max n: 2.373.055
n = 7 6 digits
n = 17087 5148 digits
n = 515635 155226 digits Jun 2010 Adam Ferralli; PSieve; srsieve; PrimeGrid; LLR
k: 7519
max n: 2.373.321
n = 34 15 digits
n = 78 28 digits
n = 94 33 digits
n = 490 152 digits
n = 1194 364 digits
n = 1558 473 digits
n = 1934 587 digits
n = 3774 1140 digits 1993 Jeffrey Young
n = 3994 1207 digits 1993 Jeffrey Young
n = 7114 2146 digits
n = 12158 3664 digits
n = 12994 3916 digits
n = 13654 4115 digits
n = 13758 4146 digits
n = 17422 5249 digits
n = 52290 15745 digits
n = 101398 30528 digits
n = 1248978 375984 digits Mar 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1643010 494600 digits Aug 2021 Craig Whyte; PSieve; srsieve; PrimeGrid; LLR
k: 7521
max n: 2.372.840
n = 3 5 digits
n = 11 8 digits
n = 20 10 digits
n = 24 12 digits
n = 29 13 digits
n = 60 22 digits
n = 69 25 digits
n = 104 36 digits
n = 128 43 digits
n = 141 47 digits
n = 144 48 digits
n = 156 51 digits
n = 177 58 digits
n = 195 63 digits
n = 284 90 digits
n = 575 177 digits
n = 603 186 digits
n = 611 188 digits
n = 713 219 digits
n = 1256 382 digits
n = 1379 419 digits
n = 2313 701 digits
n = 2396 726 digits
n = 3035 918 digits
n = 4200 1269 digits 1993 Jeffrey Young
n = 4989 1506 digits 1993 Jeffrey Young
n = 5840 1762 digits
n = 7148 2156 digits
n = 10865 3275 digits
n = 11180 3370 digits
n = 12041 3629 digits
n = 17601 5303 digits
n = 20576 6198 digits
n = 24168 7280 digits
n = 29456 8872 digits
n = 36543 11005 digits
n = 42200 12708 digits
n = 52328 15757 digits
n = 52811 15902 digits
n = 102236 30780 digits
n = 111111 33452 digits Jul 1997 Carlos B. Rivera F.; Proth
n = 120660 36327 digits
n = 188679 56802 digits
n = 225668 67937 digits
n = 305981 92114 digits
n = 318891 96000 digits
n = 443459 133499 digits Dec 2012 Michael Millerick; PPSE; PrimeGrid
n = 524588 157921 digits Jul 2010 Glen Martin; PSieve; srsieve; PrimeGrid; LLR
n = 758559 228353 digits Feb 2012 Yuriy Bogachov; PSieve; srsieve; PrimeGrid; LLR
n = 777627 234093 digits Feb 2012 Hans Joachim Böhm; PSieve; srsieve; PrimeGrid; LLR
n = 920261 277031 digits Jul 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 947544 285244 digits Jul 2012 Magnus Bergman; PSieve; srsieve; PrimeGrid; LLR
n = 975815 293754 digits Aug 2012 Bartosz Michałowski; PSieve; srsieve; PrimeGrid; LLR
k: 7523
max n: 2.373.313
n = 25 12 digits
n = 57 22 digits
n = 169 55 digits
n = 249 79 digits
n = 2257 684 digits
n = 25657 7728 digits
n = 61225 18435 digits
n = 111057 33436 digits
n = 444337 133763 digits Dec 2012 Rick Reynolds; PPSE; PrimeGrid
k: 7525
max n: 2.372.735
n = 4 6 digits
n = 10 7 digits
n = 56 21 digits
n = 86 30 digits
n = 168 55 digits
n = 180 59 digits
n = 190 62 digits
n = 216 69 digits
n = 224 72 digits
n = 270 86 digits
n = 348 109 digits
n = 378 118 digits
n = 418 130 digits
n = 596 184 digits
n = 1018 311 digits
n = 2086 632 digits
n = 2180 661 digits
n = 3278 991 digits
n = 3334 1008 digits 1993 Jeffrey Young
n = 5300 1600 digits
n = 7114 2146 digits
n = 7548 2277 digits May 1996 Patrick Demichel
n = 14028 4227 digits
n = 19728 5943 digits
n = 34536 10401 digits
n = 45488 13698 digits
n = 84920 25568 digits
n = 95674 28805 digits
n = 112230 33789 digits
n = 161726 48689 digits
n = 273918 82462 digits
n = 351296 105755 digits May 2012 PPSE; PrimeGrid
n = 366440 110314 digits May 2012 PPSE; PrimeGrid
n = 398924 120092 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 446278 134347 digits Jan 2013 Philipp Bliedung; PPSE; PrimeGrid
n = 522936 157424 digits Jul 2010 Dario Canossi; PSieve; srsieve; PrimeGrid; LLR
n = 830538 250021 digits Apr 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1592910 479518 digits Sep 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1616710 486683 digits Feb 2021 Marc Wiseler; PSieve; srsieve; PrimeGrid; LLR
n = 1660368 499825 digits Feb 2022 David Åkesson; PSieve; srsieve; PrimeGrid; LLR
n = 2249226 677089 digits Mar 2025 William F Cleveland; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7527
max n: 2.372.370
n = 2 5 digits
n = 3 5 digits
n = 8 7 digits
n = 11 8 digits
n = 12 8 digits
n = 16 9 digits
n = 36 15 digits
n = 39 16 digits
n = 64 24 digits
n = 120 41 digits
n = 123 41 digits
n = 135 45 digits
n = 163 53 digits
n = 192 62 digits
n = 204 66 digits
n = 215 69 digits
n = 219 70 digits
n = 316 100 digits
n = 331 104 digits
n = 499 155 digits
n = 618 190 digits
n = 759 233 digits
n = 815 250 digits
n = 1283 391 digits
n = 1319 401 digits
n = 1555 472 digits
n = 1720 522 digits
n = 3528 1066 digits 1993 Jeffrey Young
n = 6223 1878 digits
n = 9010 2717 digits
n = 9466 2854 digits
n = 11123 3353 digits
n = 11239 3388 digits
n = 13635 4109 digits
n = 14730 4439 digits
n = 17715 5337 digits
n = 27552 8298 digits
n = 30850 9291 digits
n = 30859 9294 digits
n = 38272 11525 digits
n = 57675 17366 digits
n = 73055 21996 digits
n = 77268 23264 digits
n = 188804 56840 digits
n = 190002 57201 digits
n = 208344 62722 digits
n = 222439 66965 digits
n = 285319 85894 digits
n = 293448 88341 digits
n = 312763 94155 digits
n = 412676 124232 digits Sep 2012 PPSE; PrimeGrid
n = 430575 129620 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 501759 151049 digits Sep 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 682280 205391 digits Aug 2011 Richard Serjeantson; PSieve; srsieve; PrimeGrid; LLR
n = 816580 245819 digits Apr 2012 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
n = 891996 268522 digits Jun 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1063970 320291 digits May 2013 Jim Hipp; PSieve; srsieve; PrimeGrid; LLR
n = 1278043 384734 digits Jun 2014 John Christy; PSieve; srsieve; PrimeGrid; LLR
n = 1705004 513262 digits Aug 2022 Randall Scalise; PPSE; PrimeGrid
n = 1910515 575127 digits Feb 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1940011 584006 digits Mar 2024 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2332723 702224 digits Dec 2025 Emil Hristoskov; PPSE; PrimeGrid
n = 3344332 1006749 digits Jan 2021 Mark Jones; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7529
max n: 2.373.416
n = 27 13 digits
n = 85 30 digits
n = 97 34 digits
n = 147 49 digits
n = 157 52 digits
n = 179 58 digits
n = 819 251 digits
n = 1329 404 digits
n = 2697 816 digits
n = 17469 5263 digits
n = 18445 5557 digits
n = 21315 6421 digits
n = 25979 7825 digits
n = 126867 38195 digits
n = 141619 42636 digits
n = 285817 86044 digits
n = 760725 229005 digits Feb 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1056969 318184 digits May 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1519545 457433 digits Feb 2019 Mark Heyward; PSieve; srsieve; PrimeGrid; LLR
n = 1960437 590155 digits May 2024 Jonathan Champ; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2317939 697774 digits Oct 2025 Patrick Schöfer; PPSE; PrimeGrid
n = 3362565 1012237 digits Apr 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7531
max n: 2.373.332
n = 32 14 digits
n = 56 21 digits
n = 992 303 digits
n = 3476 1051 digits 1993 Jeffrey Young
n = 225056 67753 digits
n = 581936 175185 digits Nov 2010 Jeremie Gremont; PSieve; srsieve; PrimeGrid; LLR
k: 7533
max n: 2.372.637
n = 2 5 digits
n = 8 7 digits
n = 26 12 digits
n = 33 14 digits
n = 41 17 digits
n = 52 20 digits
n = 56 21 digits
n = 57 22 digits
n = 81 29 digits
n = 118 40 digits
n = 164 54 digits
n = 190 62 digits
n = 372 116 digits
n = 461 143 digits
n = 1002 306 digits
n = 1210 369 digits
n = 1402 426 digits
n = 1664 505 digits
n = 1798 546 digits
n = 2277 690 digits
n = 2458 744 digits
n = 4161 1257 digits 1993 Jeffrey Young
n = 4281 1293 digits 1993 Jeffrey Young
n = 4310 1302 digits 1993 Jeffrey Young
n = 7526 2270 digits
n = 7616 2297 digits
n = 10968 3306 digits
n = 15140 4562 digits
n = 27334 8233 digits
n = 50142 15099 digits
n = 56814 17107 digits
n = 71410 21501 digits
n = 156741 47188 digits
n = 190366 57310 digits
n = 219222 65997 digits
n = 226780 68272 digits
n = 230382 69356 digits
n = 260230 78341 digits
n = 260470 78414 digits
n = 327530 98601 digits
n = 658542 198245 digits Mar 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 697757 210050 digits Sep 2011 Grzegorz Łukawski; PSieve; srsieve; PrimeGrid; LLR
n = 941900 283545 digits Jul 2012 Wouter de Vries; PSieve; srsieve; PrimeGrid; LLR
n = 1055985 317888 digits May 2013 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1385001 416931 digits Feb 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1478786 445163 digits Feb 2018 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1736097 522622 digits Mar 2023 PPSE; PrimeGrid
k: 7535
max n: 2.373.418
n = 9 7 digits
n = 21 11 digits
n = 29 13 digits
n = 47 19 digits
n = 2601 787 digits
n = 4277 1292 digits 1993 Jeffrey Young
n = 9335 2814 digits
n = 11999 3616 digits
n = 16799 5061 digits
n = 24479 7373 digits Jan 1999 Baptiste Heyman; Proth
n = 156081 46989 digits
n = 343439 103390 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 426215 128308 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
k: 7537
max n: 2.372.711
n = 10 7 digits
n = 16 9 digits
n = 138 46 digits
n = 142 47 digits
n = 156 51 digits
n = 168 55 digits
n = 196 63 digits
n = 232 74 digits
n = 250 80 digits
n = 358 112 digits
n = 576 178 digits
n = 1042 318 digits
n = 9696 2923 digits
n = 11736 3537 digits
n = 19530 5883 digits
n = 51438 15489 digits
n = 112642 33913 digits
n = 167958 50565 digits
n = 273672 82388 digits
n = 370008 111388 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 486492 146453 digits Jan 2010 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 506280 152410 digits May 2010 Kennichi Uehara; PSieve; srsieve; PrimeGrid; LLR
n = 1075872 323874 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1508266 454038 digits Dec 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1978866 595702 digits Jul 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7539
max n: 2.372.790
n = 5 6 digits
n = 10 7 digits
n = 15 9 digits
n = 18 10 digits
n = 35 15 digits
n = 45 18 digits
n = 58 22 digits
n = 75 27 digits
n = 117 40 digits
n = 131 44 digits
n = 139 46 digits
n = 150 50 digits
n = 162 53 digits
n = 165 54 digits
n = 194 63 digits
n = 254 81 digits
n = 357 112 digits
n = 549 170 digits
n = 839 257 digits
n = 1485 451 digits
n = 1935 587 digits
n = 1950 591 digits
n = 2477 750 digits
n = 2954 894 digits
n = 4159 1256 digits 1993 Jeffrey Young
n = 4726 1427 digits 1993 Jeffrey Young
n = 5418 1635 digits
n = 5474 1652 digits
n = 10195 3073 digits
n = 12114 3651 digits
n = 15330 4619 digits
n = 17882 5387 digits
n = 26394 7950 digits
n = 34182 10294 digits
n = 56718 17078 digits
n = 57582 17338 digits
n = 62187 18725 digits
n = 65282 19656 digits
n = 73242 22052 digits
n = 77365 23294 digits
n = 85991 25890 digits
n = 95779 28837 digits
n = 106710 32127 digits
n = 143471 43193 digits
n = 163331 49172 digits
n = 203811 61358 digits
n = 215861 64985 digits
n = 327309 98534 digits
n = 361170 108727 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 686822 206758 digits Sep 2011 Václav Vinklát; PSieve; srsieve; PrimeGrid; LLR
n = 697034 209833 digits Sep 2011 Ralf Reich; PSieve; srsieve; PrimeGrid; LLR
n = 808419 243363 digits Mar 2012 Minki Li; PSieve; srsieve; PrimeGrid; LLR
n = 1008405 303565 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1670829 502974 digits Feb 2022 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 1693854 509905 digits May 2022 Honza Cholt; PPSE; PrimeGrid
n = 1732725 521607 digits Feb 2023 Yegor Ryabchikov; PPSE; PrimeGrid
n = 2148285 646703 digits Jan 2025 Thorsten Sambale; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7541
max n: 2.372.940
n = 1 5 digits
n = 5 6 digits
n = 7 6 digits
n = 9 7 digits
n = 13 8 digits
n = 19 10 digits
n = 41 17 digits
n = 49 19 digits
n = 75 27 digits
n = 165 54 digits
n = 167 55 digits
n = 225 72 digits
n = 401 125 digits
n = 457 142 digits
n = 459 143 digits
n = 523 162 digits
n = 1573 478 digits
n = 1723 523 digits
n = 2013 610 digits
n = 3317 1003 digits 1993 Jeffrey Young
n = 3577 1081 digits 1993 Jeffrey Young
n = 3947 1193 digits 1993 Jeffrey Young
n = 4153 1255 digits 1993 Jeffrey Young
n = 4493 1357 digits 1993 Jeffrey Young
n = 4815 1454 digits 1993 Jeffrey Young
n = 5017 1515 digits
n = 5801 1751 digits
n = 11115 3350 digits
n = 13717 4134 digits
n = 21025 6334 digits
n = 25527 7689 digits
n = 29587 8911 digits
n = 34809 10483 digits
n = 35491 10688 digits
n = 58059 17482 digits
n = 95019 28608 digits
n = 130627 39327 digits
n = 156345 47069 digits
n = 222971 67125 digits
n = 313773 94459 digits
n = 472271 142172 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 825873 248617 digits Apr 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 837159 252014 digits Apr 2012 John R H Graham; PSieve; srsieve; PrimeGrid; LLR
n = 884435 266246 digits May 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 920137 276993 digits Jun 2012 Robert Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 1443201 434451 digits Feb 2017 Phill Mayer; PSieve; srsieve; PrimeGrid; LLR
n = 1664625 501106 digits Feb 2022 Tim Terry; PSieve; srsieve; PrimeGrid; LLR
n = 2074441 624473 digits Jan 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7543
max n: 2.372.883
n = 4 6 digits
n = 6 6 digits
n = 8 7 digits
n = 10 7 digits
n = 18 10 digits
n = 30 13 digits
n = 34 15 digits
n = 108 37 digits
n = 148 49 digits
n = 168 55 digits
n = 226 72 digits
n = 344 108 digits
n = 370 116 digits
n = 444 138 digits
n = 850 260 digits
n = 936 286 digits
n = 1066 325 digits
n = 1216 370 digits
n = 1770 537 digits
n = 2448 741 digits
n = 2914 882 digits
n = 3238 979 digits
n = 11538 3478 digits
n = 12130 3656 digits
n = 31804 9578 digits
n = 33664 10138 digits
n = 38418 11569 digits
n = 43198 13008 digits
n = 51490 15504 digits
n = 79426 23914 digits Mar 2000 David Hanson; Proth
n = 115616 34808 digits
n = 164974 49667 digits
n = 382738 115220 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 534976 161048 digits Aug 2010 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 827298 249046 digits Apr 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 988770 297654 digits Sep 2012 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1263244 380279 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 7545
max n: 2.372.601
n = 1 5 digits
n = 2 5 digits
n = 4 6 digits
n = 5 6 digits
n = 13 8 digits
n = 14 9 digits
n = 17 9 digits
n = 19 10 digits
n = 22 11 digits
n = 25 12 digits
n = 31 14 digits
n = 32 14 digits
n = 35 15 digits
n = 37 16 digits
n = 43 17 digits
n = 49 19 digits
n = 67 25 digits
n = 74 27 digits
n = 86 30 digits
n = 103 35 digits
n = 113 38 digits
n = 119 40 digits
n = 124 42 digits
n = 136 45 digits
n = 137 46 digits
n = 202 65 digits
n = 209 67 digits
n = 218 70 digits
n = 311 98 digits
n = 316 100 digits
n = 344 108 digits
n = 362 113 digits
n = 682 210 digits
n = 823 252 digits
n = 917 280 digits
n = 947 289 digits
n = 1042 318 digits
n = 1085 331 digits
n = 1267 386 digits
n = 1427 434 digits
n = 1523 463 digits
n = 1642 499 digits
n = 3134 948 digits
n = 3149 952 digits
n = 3335 1008 digits 1993 Jeffrey Young
n = 3797 1147 digits 1993 Jeffrey Young
n = 6113 1845 digits
n = 6608 1994 digits
n = 6613 1995 digits
n = 7304 2203 digits
n = 11543 3479 digits
n = 22898 6897 digits
n = 28733 8654 digits
n = 30269 9116 digits
n = 31873 9599 digits
n = 41171 12398 digits
n = 42854 12905 digits
n = 54884 16526 digits
n = 65057 19588 digits
n = 71683 21583 digits
n = 90301 27188 digits
n = 95797 28842 digits
n = 135583 40819 digits
n = 172804 52024 digits
n = 203834 61365 digits
n = 219458 66068 digits
n = 241021 72559 digits
n = 254812 76710 digits
n = 271933 81864 digits
n = 277289 83477 digits
n = 409394 123244 digits Sep 2012 PPSE; PrimeGrid
n = 418808 126078 digits Oct 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 469319 141283 digits Sep 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 627796 188990 digits Feb 2011 Wolfgang Schmidt; PSieve; srsieve; PrimeGrid; LLR
n = 826156 248702 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 837515 252122 digits Apr 2012 Michał Gasewicz; PSieve; srsieve; PrimeGrid; LLR
n = 862742 259716 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1158572 348769 digits Sep 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1378271 414905 digits Feb 2016 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1409831 424406 digits Jun 2016 Andrew Maiman; PSieve; srsieve; PrimeGrid; LLR
n = 1435466 432123 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1595501 480298 digits Sep 2020 Hans Sveen; PSieve; srsieve; PrimeGrid; LLR
n = 1599269 481432 digits Sep 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1626073 489501 digits Feb 2021 Robert Hoffman; PSieve; srsieve; PrimeGrid; LLR
n = 2295179 690922 digits Jul 2025 Jan Kožíšek; PPSE; PrimeGrid
n = 3345355 1007057 digits Jan 2021 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7547
max n: 2.372.810
n = 23 11 digits
n = 27 13 digits
n = 51 20 digits
n = 87 31 digits
n = 231 74 digits
n = 771 236 digits
n = 851 261 digits
n = 959 293 digits
n = 1011 309 digits
n = 1247 380 digits
n = 10143 3058 digits
n = 19167 5774 digits
n = 33527 10097 digits
n = 150467 45299 digits
n = 168479 50722 digits
n = 654131 196917 digits Mar 2011 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 684063 205928 digits Aug 2011 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 736503 221714 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 874139 263146 digits May 2012 Jianwen Ling; PSieve; srsieve; PrimeGrid; LLR
k: 7549
max n: 2.372.861
n = 2 5 digits
n = 14 9 digits
n = 74 27 digits
n = 1086 331 digits
n = 1274 388 digits
n = 4346 1313 digits 1993 Jeffrey Young
n = 4478 1352 digits 1993 Jeffrey Young
n = 5270 1591 digits
n = 15782 4755 digits
n = 28730 8653 digits
n = 42738 12870 digits
n = 540078 162584 digits Aug 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 985898 296789 digits Sep 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1260758 379530 digits Apr 2014 Dirk Dhuyvetters; PSieve; srsieve; PrimeGrid; LLR
k: 7551
max n: 2.372.799
n = 4 6 digits
n = 15 9 digits
n = 37 16 digits
n = 69 25 digits
n = 87 31 digits
n = 112 38 digits
n = 127 43 digits
n = 148 49 digits
n = 264 84 digits
n = 268 85 digits
n = 300 95 digits
n = 372 116 digits
n = 603 186 digits
n = 1372 417 digits
n = 1597 485 digits
n = 1687 512 digits
n = 1993 604 digits
n = 2035 617 digits
n = 2424 734 digits
n = 2797 846 digits
n = 5457 1647 digits
n = 5844 1764 digits
n = 6352 1917 digits
n = 12345 3721 digits May 1997 Henri Lifchitz; Proth
n = 14016 4224 digits
n = 26424 7959 digits
n = 49660 14954 digits
n = 71896 21647 digits
n = 95668 28803 digits
n = 122637 36922 digits
n = 123373 37143 digits
n = 268420 80807 digits
n = 345025 103867 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 467367 140696 digits Aug 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 1314372 395670 digits Feb 2015 Sylvanus A. Zimmerman; PSieve; srsieve; PrimeGrid; LLR
n = 1394517 419796 digits Feb 2016 Li Dake; PSieve; srsieve; PrimeGrid; LLR
n = 1959073 589744 digits May 2024 Yifei Gao; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2306308 694272 digits Sep 2025 David Perek; PPSE; PrimeGrid
k: 7553
max n: 2.373.000
n = 1 5 digits
n = 9 7 digits
n = 17 9 digits
n = 61 23 digits
n = 65 24 digits
n = 89 31 digits
n = 93 32 digits
n = 189 61 digits
n = 213 68 digits
n = 737 226 digits
n = 813 249 digits
n = 817 250 digits
n = 881 270 digits
n = 1169 356 digits
n = 1349 410 digits
n = 3233 978 digits
n = 3601 1088 digits 1993 Jeffrey Young
n = 4253 1285 digits 1993 Jeffrey Young
n = 4997 1509 digits 1993 Jeffrey Young
n = 6557 1978 digits
n = 20797 6265 digits
n = 21449 6461 digits
n = 32549 9803 digits
n = 72321 21775 digits
n = 92885 27966 digits
n = 119845 36081 digits
n = 226293 68125 digits
n = 328777 98976 digits
n = 556405 167499 digits Oct 2010 João Rodrigues; PSieve; srsieve; PrimeGrid; LLR
k: 7555
max n: 2.371.769
n = 14 9 digits
n = 86 30 digits
n = 116 39 digits
n = 134 45 digits
n = 158 52 digits
n = 160 53 digits
n = 162 53 digits
n = 176 57 digits
n = 214 69 digits
n = 330 104 digits
n = 366 115 digits
n = 510 158 digits
n = 720 221 digits
n = 790 242 digits
n = 1022 312 digits
n = 1418 431 digits
n = 2554 773 digits
n = 3254 984 digits
n = 4014 1213 digits 1993 Jeffrey Young
n = 4110 1242 digits 1993 Jeffrey Young
n = 5022 1516 digits
n = 6086 1836 digits
n = 6680 2015 digits Mar 1996 Patrick Demichel
n = 36182 10896 digits
n = 71286 21464 digits
n = 98738 29727 digits
n = 230684 69447 digits
n = 249518 75117 digits
n = 1809572 544740 digits Jan 2024 Marek Štochl; PPSE; PrimeGrid
n = 3344240 1006721 digits Jan 2021 Steven Wong; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7557
max n: 2.372.750
n = 3 5 digits
n = 6 6 digits
n = 7 6 digits
n = 18 10 digits
n = 22 11 digits
n = 26 12 digits
n = 27 13 digits
n = 43 17 digits
n = 46 18 digits
n = 50 19 digits
n = 82 29 digits
n = 91 32 digits
n = 95 33 digits
n = 126 42 digits
n = 159 52 digits
n = 163 53 digits
n = 168 55 digits
n = 176 57 digits
n = 178 58 digits
n = 183 59 digits
n = 190 62 digits
n = 248 79 digits
n = 278 88 digits
n = 350 110 digits
n = 427 133 digits
n = 566 175 digits
n = 595 183 digits
n = 647 199 digits
n = 764 234 digits
n = 802 246 digits
n = 846 259 digits
n = 931 285 digits
n = 946 289 digits
n = 1078 329 digits
n = 1443 439 digits
n = 1554 472 digits
n = 1607 488 digits
n = 1810 549 digits
n = 2119 642 digits
n = 4548 1373 digits 1993 Jeffrey Young
n = 5087 1536 digits
n = 5623 1697 digits
n = 8015 2417 digits
n = 8328 2511 digits
n = 12858 3875 digits
n = 17220 5188 digits
n = 17407 5244 digits
n = 21771 6558 digits
n = 33583 10114 digits
n = 34415 10364 digits
n = 55035 16572 digits
n = 59623 17953 digits
n = 62743 18892 digits
n = 78884 23751 digits
n = 83715 25205 digits
n = 105871 31875 digits
n = 123495 37180 digits
n = 154182 46418 digits
n = 164991 49672 digits
n = 174156 52431 digits
n = 225954 68023 digits
n = 242472 72996 digits
n = 338307 101845 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 362603 109159 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 452115 136105 digits Jun 2009 Sascha Martin; srsieve; PrimeGrid; LLR
n = 722784 217584 digits Nov 2011 John Sheridan; PSieve; srsieve; PrimeGrid; LLR
n = 734547 221125 digits Feb 2012 Minki Li; PSieve; srsieve; PrimeGrid; LLR
n = 767154 230941 digits Feb 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 852603 256663 digits May 2012 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 1083214 326084 digits May 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1093187 329086 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1142158 343828 digits Sep 2013 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 1202959 362131 digits Dec 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1212863 365113 digits Jan 2014 Brady Heigaard; PSieve; srsieve; PrimeGrid; LLR
n = 1832622 551679 digits Jan 2024 Ricky L Hubbard; PPSE; PrimeGrid
n = 2136502 643156 digits Jan 2025 Detlef Lexut; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7559
max n: 2.373.198
n = 29 13 digits
n = 67 25 digits
n = 83 29 digits
n = 101 35 digits
n = 143 47 digits
n = 197 64 digits
n = 317 100 digits
n = 391 122 digits
n = 1007 308 digits
n = 2513 761 digits
n = 2897 876 digits
n = 3139 949 digits
n = 3611 1091 digits 1993 Jeffrey Young
n = 8243 2486 digits
n = 19843 5978 digits
n = 36835 11093 digits
n = 51029 15366 digits
n = 58927 17743 digits
n = 87275 26277 digits
n = 88301 26586 digits
n = 111131 33458 digits
n = 170039 51191 digits
n = 328121 98779 digits
k: 7561
max n: 2.373.231
n = 4 6 digits
n = 8 7 digits
n = 12 8 digits
n = 16 9 digits
n = 104 36 digits
n = 192 62 digits
n = 220 71 digits
n = 280 89 digits
n = 484 150 digits
n = 976 298 digits
n = 4676 1412 digits 1993 Jeffrey Young
n = 5324 1607 digits
n = 7348 2216 digits May 1996 Patrick Demichel
n = 11972 3608 digits
n = 21992 6625 digits
n = 40560 12214 digits
n = 81220 24454 digits
n = 167104 50308 digits
n = 264880 79741 digits
n = 1865252 561501 digits Feb 2024 Robert Heindl; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2234188 672562 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7563
max n: 2.372.416
n = 2 5 digits
n = 17 9 digits
n = 194 63 digits
n = 213 68 digits
n = 314 99 digits
n = 342 107 digits
n = 354 111 digits
n = 453 141 digits
n = 1182 360 digits
n = 2558 774 digits
n = 12521 3774 digits
n = 15072 4542 digits
n = 25862 7790 digits
n = 89664 26996 digits
n = 148809 44800 digits
n = 303282 91301 digits
n = 1733582 521865 digits Feb 2023 Brian D. Niegocki; PPSE; PrimeGrid
n = 2145894 645983 digits Jan 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7565
max n: 2.372.706
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 9 7 digits
n = 13 8 digits
n = 15 9 digits
n = 19 10 digits
n = 25 12 digits
n = 61 23 digits
n = 79 28 digits
n = 93 32 digits
n = 105 36 digits
n = 121 41 digits
n = 169 55 digits
n = 277 88 digits
n = 355 111 digits
n = 507 157 digits
n = 613 189 digits
n = 789 242 digits
n = 1413 430 digits
n = 1623 493 digits
n = 1861 565 digits
n = 2829 856 digits
n = 3345 1011 digits 1993 Jeffrey Young
n = 4653 1405 digits 1993 Jeffrey Young
n = 9667 2914 digits
n = 11343 3419 digits May 1996 Patrick Demichel
n = 11509 3469 digits
n = 19477 5868 digits
n = 24435 7360 digits Aug 1998 Baptiste Heyman; Proth
n = 24897 7499 digits
n = 27585 8308 digits
n = 35173 10593 digits
n = 39633 11935 digits
n = 92683 27905 digits
n = 161301 48561 digits
n = 168285 50663 digits
n = 180037 54201 digits
n = 225021 67742 digits
n = 377055 113509 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 418053 125851 digits Oct 2012 Dr. James Scott Brown; PPSE; PrimeGrid
k: 7567
max n: 2.372.627
n = 2 5 digits
n = 8 7 digits
n = 12 8 digits
n = 16 9 digits
n = 22 11 digits
n = 36 15 digits
n = 48 19 digits
n = 134 45 digits
n = 376 118 digits
n = 562 174 digits
n = 638 196 digits
n = 1562 475 digits
n = 1812 550 digits
n = 2206 668 digits
n = 2488 753 digits
n = 2992 905 digits
n = 3308 1000 digits 1993 Jeffrey Young
n = 3952 1194 digits 1993 Jeffrey Young
n = 8054 2429 digits
n = 8242 2485 digits
n = 16272 4903 digits
n = 19688 5931 digits
n = 53938 16241 digits
n = 83656 25187 digits
n = 99194 29865 digits
n = 101792 30647 digits
n = 109856 33074 digits
n = 182792 55030 digits
n = 292732 88125 digits
n = 351308 105759 digits May 2012 PPSE; PrimeGrid
n = 777936 234186 digits Feb 2012 Tsukasa Sasaki; PSieve; srsieve; PrimeGrid; LLR
n = 1635632 492379 digits Mar 2021 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 7569
max n: 2.371.976
n = 1 5 digits
n = 6 6 digits
n = 9 7 digits
n = 17 9 digits
n = 23 11 digits
n = 33 14 digits
n = 51 20 digits
n = 127 43 digits
n = 159 52 digits
n = 249 79 digits
n = 277 88 digits
n = 333 105 digits
n = 359 112 digits
n = 390 122 digits
n = 438 136 digits
n = 719 221 digits
n = 798 245 digits
n = 899 275 digits
n = 1081 330 digits
n = 1219 371 digits
n = 1291 393 digits
n = 1462 444 digits
n = 1629 495 digits
n = 1633 496 digits
n = 1750 531 digits
n = 1758 534 digits
n = 2478 750 digits
n = 2509 760 digits
n = 2941 890 digits
n = 3389 1025 digits 1993 Jeffrey Young
n = 4141 1251 digits 1993 Jeffrey Young
n = 6687 2017 digits Mar 1996 Patrick Demichel
n = 22542 6790 digits
n = 29273 8816 digits
n = 33358 10046 digits
n = 40342 12149 digits
n = 51089 15384 digits
n = 55878 16825 digits
n = 60383 18181 digits
n = 67271 20255 digits
n = 70823 21324 digits
n = 72767 21909 digits
n = 86993 26192 digits
n = 94806 28544 digits
n = 126870 38196 digits
n = 130054 39155 digits
n = 135917 40919 digits
n = 141369 42561 digits
n = 157294 47355 digits
n = 163393 49191 digits
n = 168859 50836 digits
n = 289869 87264 digits
n = 367939 110765 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 405983 122217 digits Aug 2012 PPSE; PrimeGrid
n = 462943 139364 digits Jul 2009 Philip Englehard; srsieve; PrimeGrid; LLR
n = 548377 165082 digits Sep 2010 Doug Cushing; PSieve; srsieve; PrimeGrid; LLR
n = 695094 209249 digits Sep 2011 Herbert Schmitz Porten; PSieve; srsieve; PrimeGrid; LLR
n = 721257 217124 digits Nov 2011 Choongkoo Park; PSieve; srsieve; PrimeGrid; LLR
n = 721471 217189 digits Nov 2011 Michael Perry; PSieve; srsieve; PrimeGrid; LLR
n = 923613 278040 digits Jun 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1203247 362218 digits Dec 2013 Charlie McDonald; PSieve; srsieve; PrimeGrid; LLR
n = 1641061 494013 digits Jun 2021 Akira Shimizu; PSieve; srsieve; PrimeGrid; LLR
k: 7571
max n: 2.372.790
n = 5 6 digits
n = 15 9 digits
n = 23 11 digits
n = 29 13 digits
n = 31 14 digits
n = 35 15 digits
n = 43 17 digits
n = 61 23 digits
n = 113 38 digits
n = 269 85 digits
n = 279 88 digits
n = 459 143 digits
n = 661 203 digits
n = 735 226 digits
n = 889 272 digits
n = 1403 427 digits
n = 1705 518 digits
n = 1879 570 digits
n = 2011 610 digits
n = 2823 854 digits
n = 8753 2639 digits
n = 10771 3247 digits
n = 15875 4783 digits
n = 29043 8747 digits
n = 33143 9981 digits
n = 34503 10391 digits
n = 41933 12627 digits
n = 48035 14464 digits
n = 95695 28811 digits
n = 98179 29559 digits
n = 155585 46840 digits
n = 180059 54208 digits
n = 195545 58869 digits
n = 205805 61958 digits
n = 267923 80657 digits
n = 273831 82436 digits
n = 310885 93590 digits
n = 340119 102390 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 1261313 379697 digits Apr 2014 Nicolas BoudierDucloy; PSieve; srsieve; PrimeGrid; LLR
n = 1618535 487232 digits Feb 2021 Richard Mortimore; PSieve; srsieve; PrimeGrid; LLR
n = 1872819 563779 digits Feb 2024 Jerry Lin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1952043 587628 digits Apr 2024 Vadim Bulanov; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2364925 711918 digits May 2026 Ken Smith; PPSE; PrimeGrid
k: 7573
max n: 2.372.893
n = 2 5 digits
n = 4 6 digits
n = 26 12 digits
n = 122 41 digits
n = 160 53 digits
n = 170 56 digits
n = 214 69 digits
n = 556 172 digits
n = 874 267 digits
n = 1588 482 digits
n = 2642 800 digits
n = 3616 1093 digits 1993 Jeffrey Young
n = 4060 1227 digits 1993 Jeffrey Young
n = 5450 1645 digits
n = 48454 14590 digits
n = 62134 18709 digits
n = 63050 18984 digits
n = 68992 20773 digits
n = 142850 43007 digits
n = 149920 45135 digits
n = 411502 123879 digits Sep 2012 PPSE; PrimeGrid
n = 1086634 327114 digits May 2013 Casimir Ksiazek III; PSieve; srsieve; PrimeGrid; LLR
n = 1188452 357764 digits Oct 2013 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1194172 359486 digits Nov 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1440860 433746 digits Feb 2017 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 2332562 702176 digits Dec 2025 Kai Presler; PPSE; PrimeGrid
k: 7575
max n: 2.372.558
n = 3 5 digits
n = 9 7 digits
n = 11 8 digits
n = 13 8 digits
n = 25 12 digits
n = 30 13 digits
n = 33 14 digits
n = 47 19 digits
n = 55 21 digits
n = 63 23 digits
n = 69 25 digits
n = 110 37 digits
n = 114 39 digits
n = 115 39 digits
n = 140 47 digits
n = 144 48 digits
n = 170 56 digits
n = 197 64 digits
n = 242 77 digits
n = 266 84 digits
n = 483 150 digits
n = 496 154 digits
n = 506 157 digits
n = 509 158 digits
n = 517 160 digits
n = 519 161 digits
n = 813 249 digits
n = 885 271 digits
n = 905 277 digits
n = 996 304 digits
n = 1013 309 digits
n = 1107 338 digits
n = 1131 345 digits
n = 1144 349 digits
n = 1371 417 digits
n = 1923 583 digits
n = 2771 839 digits
n = 3013 911 digits
n = 3580 1082 digits 1993 Jeffrey Young
n = 3653 1104 digits 1993 Jeffrey Young
n = 3702 1119 digits 1993 Jeffrey Young
n = 3985 1204 digits 1993 Jeffrey Young
n = 4187 1265 digits 1993 Jeffrey Young
n = 5316 1605 digits
n = 6311 1904 digits
n = 8163 2462 digits May 1996 Patrick Demichel
n = 8933 2693 digits
n = 13423 4045 digits
n = 14071 4240 digits
n = 15297 4609 digits
n = 16463 4960 digits
n = 16973 5114 digits
n = 19226 5792 digits
n = 21546 6490 digits
n = 24014 7233 digits
n = 26646 8026 digits
n = 30389 9152 digits
n = 31744 9560 digits
n = 39691 11953 digits
n = 43931 13229 digits
n = 53117 15994 digits
n = 67659 20372 digits
n = 76785 23119 digits
n = 80583 24262 digits
n = 104766 31542 digits
n = 131169 39490 digits May 2001 Jim Fougeron; FermFact; OpenPFGW
n = 252061 75882 digits
n = 274867 82748 digits
n = 335523 101007 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 338583 101928 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 390714 117621 digits Jul 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 434366 130762 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 779082 234531 digits Feb 2012 Peter Leschek; PSieve; srsieve; PrimeGrid; LLR
n = 793531 238881 digits Mar 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 860765 259120 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 911223 274310 digits Jun 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 928050 279375 digits Jul 2012 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 1154559 347561 digits Sep 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1399124 421183 digits Mar 2016 John S Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1473724 443640 digits Feb 2018 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 1587296 477828 digits Sep 2020 Erik Veit; PSieve; srsieve; PrimeGrid; LLR
n = 2255024 678834 digits Mar 2025 Jonathan Sipes; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3371010 1014780 digits Jun 2021 Wolfgang Schwieger; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7577
max n: 2.372.523
n = 3 5 digits
n = 63 23 digits
n = 351 110 digits
n = 591 182 digits
n = 16683 5026 digits
n = 29115 8769 digits
n = 89151 26842 digits
n = 1962555 590792 digits May 2024 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7579
max n: 2.373.429
n = 10 7 digits
n = 18 10 digits
n = 22 11 digits
n = 114 39 digits
n = 174 57 digits
n = 214 69 digits
n = 610 188 digits
n = 790 242 digits
n = 874 267 digits
n = 1602 487 digits
n = 1774 538 digits
n = 1870 567 digits
n = 2742 830 digits
n = 3918 1184 digits 1993 Jeffrey Young
n = 4030 1218 digits 1993 Jeffrey Young
n = 4470 1350 digits 1993 Jeffrey Young
n = 4642 1402 digits 1993 Jeffrey Young
n = 8274 2495 digits
n = 13314 4012 digits
n = 35014 10545 digits
n = 37462 11282 digits
n = 55638 16753 digits
n = 74250 22356 digits
n = 85834 25843 digits
n = 180694 54399 digits
n = 184638 55586 digits
n = 187018 56302 digits
n = 254878 76730 digits
n = 273762 82415 digits
n = 446862 134523 digits Jan 2013 Sami Heikkila; PPSE; PrimeGrid
n = 649774 195606 digits Feb 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 1577158 474776 digits Mar 2020 Yijun Guo; PSieve; srsieve; PrimeGrid; LLR
k: 7581
max n: 2.372.786
n = 3 5 digits
n = 11 8 digits
n = 13 8 digits
n = 36 15 digits
n = 47 19 digits
n = 57 22 digits
n = 76 27 digits
n = 108 37 digits
n = 156 51 digits
n = 172 56 digits
n = 207 67 digits
n = 251 80 digits
n = 255 81 digits
n = 267 85 digits
n = 323 102 digits
n = 395 123 digits
n = 615 190 digits
n = 660 203 digits
n = 815 250 digits
n = 899 275 digits
n = 1028 314 digits
n = 1035 316 digits
n = 1283 391 digits
n = 1356 413 digits
n = 1627 494 digits
n = 2075 629 digits
n = 2652 803 digits
n = 3903 1179 digits 1993 Jeffrey Young
n = 4188 1265 digits 1993 Jeffrey Young
n = 5307 1602 digits
n = 5349 1615 digits
n = 5507 1662 digits
n = 13263 3997 digits
n = 14583 4394 digits
n = 15973 4813 digits
n = 16425 4949 digits
n = 17468 5263 digits
n = 22233 6697 digits
n = 22791 6865 digits Mar 1993 Jeffrey Young
n = 25497 7680 digits
n = 31453 9473 digits
n = 37467 11283 digits
n = 40227 12114 digits
n = 71271 21459 digits
n = 84699 25501 digits
n = 159571 48040 digits
n = 185475 55838 digits
n = 230459 69379 digits
n = 429225 129214 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 610527 183791 digits Jan 2011 Glen Martin; PSieve; srsieve; PrimeGrid; LLR
n = 864939 260377 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 975083 293534 digits Aug 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1136852 342231 digits Aug 2013 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
n = 1591643 479137 digits Sep 2020 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 7583
max n: 2.373.300
n = 17 9 digits
n = 69 25 digits
n = 101 35 digits
n = 229 73 digits
n = 317 100 digits
n = 341 107 digits
n = 489 152 digits
n = 681 209 digits
n = 7361 2220 digits May 1996 Patrick Demichel
n = 12717 3833 digits
n = 1738569 523366 digits Apr 2023 PPSE; PrimeGrid
n = 3422501 1030280 digits May 2022 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7585
max n: 2.372.471
n = 2 5 digits
n = 14 9 digits
n = 22 11 digits
n = 24 12 digits
n = 28 13 digits
n = 74 27 digits
n = 80 28 digits
n = 88 31 digits
n = 102 35 digits
n = 148 49 digits
n = 252 80 digits
n = 298 94 digits
n = 532 165 digits
n = 844 258 digits
n = 980 299 digits
n = 1182 360 digits
n = 1264 385 digits
n = 1420 432 digits
n = 1744 529 digits
n = 2314 701 digits
n = 2934 888 digits
n = 3848 1163 digits 1993 Jeffrey Young
n = 3914 1183 digits 1993 Jeffrey Young
n = 4360 1317 digits 1993 Jeffrey Young
n = 4492 1357 digits 1993 Jeffrey Young
n = 5150 1555 digits
n = 6390 1928 digits
n = 7100 2142 digits
n = 7424 2239 digits
n = 9452 2850 digits
n = 9554 2880 digits
n = 10754 3242 digits
n = 11754 3543 digits
n = 13850 4174 digits
n = 16364 4930 digits
n = 17492 5270 digits
n = 22882 6893 digits
n = 25164 7579 digits
n = 69368 20886 digits
n = 99472 29948 digits
n = 146614 44140 digits
n = 170700 51390 digits
n = 232168 69894 digits
n = 238132 71689 digits
n = 516240 155408 digits Jun 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 621124 186981 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 649008 195375 digits Feb 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 655712 197393 digits Mar 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 743248 223744 digits Feb 2012 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 1074148 323355 digits May 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1322228 398035 digits Mar 2015 Hale Knox; PSieve; srsieve; PrimeGrid; LLR
n = 1912392 575692 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2191320 659657 digits Feb 2025 Jan Kumsta; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2244244 675589 digits Mar 2025 Ed Goforth; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3387110 1019626 digits Dec 2021 Charles Jackson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3468338 1044078 digits May 2023 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7587
max n: 2.372.815
n = 8 7 digits
n = 11 8 digits
n = 16 9 digits
n = 40 16 digits
n = 119 40 digits
n = 280 89 digits
n = 326 103 digits
n = 554 171 digits
n = 958 293 digits
n = 1090 333 digits
n = 1544 469 digits
n = 2518 762 digits
n = 3520 1064 digits 1993 Jeffrey Young
n = 4538 1370 digits 1993 Jeffrey Young
n = 5848 1765 digits
n = 15764 4750 digits
n = 16820 5068 digits
n = 17158 5169 digits
n = 18055 5439 digits
n = 21920 6603 digits
n = 28406 8555 digits
n = 43810 13193 digits
n = 131446 39574 digits
n = 136063 40963 digits
n = 178724 53806 digits
n = 250474 75405 digits
n = 727823 219101 digits Feb 2012 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 803548 241896 digits Mar 2012 Adam Smith; PSieve; srsieve; PrimeGrid; LLR
n = 960536 289155 digits Aug 2012 Seth Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 2056736 619144 digits Jan 2025 Anthony Templin; PPSE; PrimeGrid
n = 2368976 713137 digits Jun 2026 Valter Cavecchia; PPSE; PrimeGrid
k: 7589
max n: 2.372.830
n = 9 7 digits
n = 17 9 digits
n = 31 14 digits
n = 131 44 digits
n = 139 46 digits
n = 151 50 digits
n = 159 52 digits
n = 171 56 digits
n = 233 75 digits
n = 679 209 digits
n = 801 246 digits
n = 839 257 digits
n = 1239 377 digits
n = 1283 391 digits
n = 1365 415 digits
n = 1955 593 digits
n = 2645 801 digits
n = 4311 1302 digits 1993 Jeffrey Young
n = 8379 2527 digits
n = 13117 3953 digits
n = 20501 6176 digits
n = 28605 8615 digits
n = 29239 8806 digits
n = 39539 11907 digits
n = 43119 12984 digits
n = 62545 18832 digits
n = 93713 28215 digits
n = 167757 50504 digits
n = 172311 51875 digits
n = 190941 57483 digits
n = 200155 60257 digits
n = 202327 60911 digits
n = 345461 103999 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 348651 104959 digits Apr 2012 Vaughan Davies; PPSE; PrimeGrid
n = 349845 105318 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 387769 116734 digits Jun 2012 Adrian Schori; PPSE; PrimeGrid
n = 577513 173853 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 613669 184737 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 664099 199918 digits Apr 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 908533 273500 digits Jun 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1055759 317820 digits May 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1485459 447172 digits Mar 2018 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 1553251 467580 digits Jan 2020 Michael Millerick; PSieve; srsieve; PrimeGrid; LLR
n = 1840621 554087 digits Jan 2024 Kai Presler; PPSE; PrimeGrid
k: 7591
max n: 2.373.439
n = 20 10 digits
n = 92 32 digits
n = 116 39 digits
n = 764 234 digits
n = 3044 921 digits
n = 6200 1871 digits
n = 35144 10584 digits
n = 154880 46628 digits
n = 949760 285911 digits Jul 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 954920 287464 digits Jul 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 7593
max n: 2.371.977
n = 1 5 digits
n = 16 9 digits
n = 28 13 digits
n = 36 15 digits
n = 45 18 digits
n = 142 47 digits
n = 145 48 digits
n = 178 58 digits
n = 201 65 digits
n = 232 74 digits
n = 708 218 digits
n = 1690 513 digits
n = 2340 709 digits
n = 2785 843 digits
n = 3261 986 digits
n = 4501 1359 digits 1993 Jeffrey Young
n = 5170 1561 digits
n = 8340 2515 digits Sep 1999 Takahiro Nohara; Proth
n = 11481 3461 digits
n = 18946 5708 digits
n = 58005 17466 digits
n = 128506 38689 digits
n = 135982 40939 digits
n = 298165 89761 digits
n = 402922 121296 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 555772 167308 digits Oct 2010 Anthony Storch; PSieve; srsieve; PrimeGrid; LLR
n = 626593 188628 digits Feb 2011 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 972321 292702 digits Aug 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1459333 439307 digits Oct 2017 Dave Sunderland; PSieve; srsieve; PrimeGrid; LLR
n = 1890985 569248 digits Feb 2024 Luca Corlatti; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7595
max n: 2.372.834
n = 3 5 digits
n = 7 6 digits
n = 19 10 digits
n = 33 14 digits
n = 37 16 digits
n = 63 23 digits
n = 89 31 digits
n = 109 37 digits
n = 117 40 digits
n = 187 61 digits
n = 199 64 digits
n = 227 73 digits
n = 229 73 digits
n = 413 129 digits
n = 565 174 digits
n = 829 254 digits
n = 1177 359 digits
n = 1437 437 digits
n = 1447 440 digits
n = 1859 564 digits
n = 2947 892 digits
n = 3947 1193 digits 1993 Jeffrey Young
n = 4235 1279 digits 1993 Jeffrey Young
n = 5685 1716 digits
n = 6005 1812 digits
n = 8545 2577 digits
n = 10337 3116 digits
n = 12345 3721 digits May 1997 Henri Lifchitz; Proth
n = 34917 10515 digits
n = 36499 10992 digits
n = 70305 21168 digits
n = 89323 26893 digits
n = 113443 34154 digits
n = 160809 48413 digits
n = 166329 50074 digits
n = 183219 55159 digits
n = 286287 86185 digits
n = 338619 101939 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 345825 104108 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 362589 109155 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 483153 145448 digits Dec 2009 John M. Dunn; PSieve; srsieve; PrimeGrid; LLR
n = 557123 167715 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 650125 195712 digits Feb 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 696319 209617 digits Sep 2011 Phillip Butler; PSieve; srsieve; PrimeGrid; LLR
n = 752715 226594 digits Feb 2012 Valter Cavecchia; PSieve; srsieve; PrimeGrid; LLR
n = 1266427 381237 digits May 2014 Raphael Hoegger; PSieve; srsieve; PrimeGrid; LLR
n = 1415805 426204 digits Jul 2016 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1720087 517802 digits Nov 2022 Tom Greer; PPSE; PrimeGrid
n = 1884793 567384 digits Feb 2024 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7597
max n: 2.372.895
n = 2 5 digits
n = 4 6 digits
n = 12 8 digits
n = 16 9 digits
n = 22 11 digits
n = 32 14 digits
n = 46 18 digits
n = 64 24 digits
n = 90 31 digits
n = 290 92 digits
n = 552 171 digits
n = 1082 330 digits
n = 1252 381 digits
n = 1280 390 digits
n = 1410 429 digits
n = 4026 1216 digits 1993 Jeffrey Young
n = 8280 2497 digits
n = 12240 3689 digits
n = 15544 4684 digits
n = 28966 8724 digits
n = 29172 8786 digits
n = 38112 11477 digits
n = 39422 11872 digits
n = 41220 12413 digits
n = 43720 13165 digits
n = 86682 26098 digits
n = 164662 49573 digits
n = 169426 51007 digits
n = 172846 52036 digits
n = 249132 75001 digits
n = 279810 84236 digits
n = 386672 116404 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 431454 129885 digits Dec 2012 Gary Harris; PPSE; PrimeGrid
n = 501740 151043 digits Aug 2009 Ulrich Fries; srsieve; PrimeGrid; LLR
n = 635352 191264 digits Feb 2011 Keith Pattenden; PSieve; srsieve; PrimeGrid; LLR
n = 654112 196912 digits Mar 2011 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1379064 415144 digits Feb 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1424110 428704 digits Oct 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1549154 466346 digits Nov 2019 Andreas Reich; PSieve; srsieve; PrimeGrid; LLR
n = 2048270 616595 digits Jan 2025 LeRoy Blanchard; PPSE; PrimeGrid
k: 7599
max n: 2.372.150
n = 1 5 digits
n = 3 5 digits
n = 10 7 digits
n = 26 12 digits
n = 34 15 digits
n = 46 18 digits
n = 51 20 digits
n = 71 26 digits
n = 82 29 digits
n = 105 36 digits
n = 265 84 digits
n = 321 101 digits
n = 346 109 digits
n = 493 153 digits
n = 641 197 digits
n = 855 262 digits
n = 1115 340 digits
n = 1163 354 digits
n = 1217 371 digits
n = 1241 378 digits
n = 1307 398 digits
n = 1501 456 digits
n = 1546 470 digits
n = 2055 623 digits
n = 2277 690 digits
n = 2387 723 digits
n = 2570 778 digits
n = 2706 819 digits
n = 3037 919 digits
n = 3275 990 digits
n = 3683 1113 digits 1993 Jeffrey Young
n = 3875 1171 digits 1993 Jeffrey Young
n = 4697 1418 digits 1993 Jeffrey Young
n = 4742 1432 digits 1993 Jeffrey Young
n = 5295 1598 digits
n = 5451 1645 digits
n = 6757 2038 digits
n = 7841 2365 digits
n = 8417 2538 digits
n = 11103 3347 digits
n = 12122 3653 digits
n = 13731 4138 digits
n = 24707 7442 digits
n = 24886 7496 digits
n = 39521 11901 digits
n = 57735 17384 digits
n = 59721 17982 digits
n = 65747 19796 digits
n = 72577 21852 digits
n = 75951 22868 digits
n = 80363 24196 digits
n = 81731 24608 digits
n = 110027 33126 digits
n = 148113 44591 digits
n = 160826 48418 digits
n = 178983 53884 digits
n = 237374 71461 digits
n = 251026 75571 digits
n = 421415 126863 digits Nov 2012 PPSE; PrimeGrid
n = 647633 194961 digits Feb 2011 Brian Carpenter; PSieve; srsieve; PrimeGrid; LLR
n = 1011975 304639 digits Oct 2012 Cesare Marini; PSieve; srsieve; PrimeGrid; LLR
n = 1892283 569638 digits Feb 2024 Lukasz Piotrowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1906514 573922 digits Feb 2024 Shawn Philbert; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7601
max n: 2.373.172
n = 5 6 digits
n = 13 8 digits
n = 17 9 digits
n = 41 17 digits
n = 53 20 digits
n = 101 35 digits
n = 103 35 digits
n = 127 43 digits
n = 197 64 digits
n = 245 78 digits
n = 257 82 digits
n = 271 86 digits
n = 337 106 digits
n = 377 118 digits
n = 743 228 digits
n = 901 276 digits
n = 1369 416 digits
n = 2177 660 digits
n = 2743 830 digits
n = 4465 1348 digits 1993 Jeffrey Young
n = 8249 2488 digits
n = 9247 2788 digits
n = 11417 3441 digits
n = 12269 3698 digits
n = 15293 4608 digits
n = 35623 10728 digits
n = 54293 16348 digits
n = 60205 18128 digits
n = 62671 18870 digits
n = 128149 38581 digits
n = 139241 41920 digits
n = 148537 44718 digits
n = 166231 50045 digits
n = 191993 57800 digits
n = 688943 207397 digits Aug 2011 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 795791 239561 digits Mar 2012 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 867053 261013 digits May 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 984497 296368 digits Sep 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1234057 371493 digits Jan 2014 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 2052071 617739 digits Jan 2025 Zack Friedrichsen; PPSE; PrimeGrid
n = 2363917 711614 digits May 2026 Ryo Takahashi; PPSE; PrimeGrid
k: 7603
max n: 2.372.891
n = 8 7 digits
n = 16 9 digits
n = 36 15 digits
n = 52 20 digits
n = 70 25 digits
n = 142 47 digits
n = 172 56 digits
n = 190 62 digits
n = 240 77 digits
n = 326 103 digits
n = 352 110 digits
n = 486 151 digits
n = 892 273 digits
n = 1096 334 digits
n = 1110 339 digits
n = 1806 548 digits
n = 2788 844 digits
n = 5100 1540 digits
n = 7046 2125 digits
n = 7476 2255 digits
n = 7712 2326 digits
n = 17008 5124 digits
n = 19048 5738 digits
n = 53652 16155 digits
n = 94686 28508 digits
n = 97758 29432 digits
n = 130726 39357 digits
n = 145230 43723 digits
n = 558240 168051 digits Oct 2010 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 794710 239236 digits Mar 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 865606 260578 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1226328 369166 digits Jan 2014 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1385200 416991 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 2019228 607853 digits Dec 2024 Jonathan Gehrke; PPSE; PrimeGrid
k: 7605
max n: 2.372.830
n = 6 6 digits
n = 18 10 digits
n = 26 12 digits
n = 95 33 digits
n = 176 57 digits
n = 210 68 digits
n = 240 77 digits
n = 287 91 digits
n = 314 99 digits
n = 377 118 digits
n = 419 131 digits
n = 680 209 digits
n = 705 217 digits
n = 752 231 digits
n = 1007 308 digits
n = 1890 573 digits
n = 2139 648 digits
n = 2852 863 digits
n = 3579 1082 digits 1993 Jeffrey Young
n = 4055 1225 digits 1993 Jeffrey Young
n = 7415 2237 digits
n = 7815 2357 digits
n = 8210 2476 digits May 1996 Patrick Demichel
n = 9134 2754 digits
n = 9707 2926 digits
n = 13598 4098 digits
n = 13754 4145 digits
n = 16862 5080 digits
n = 17151 5167 digits
n = 19718 5940 digits
n = 25466 7670 digits
n = 27404 8254 digits
n = 31136 9377 digits
n = 36059 10859 digits
n = 38336 11545 digits
n = 52928 15937 digits
n = 65952 19858 digits
n = 167148 50321 digits
n = 169515 51033 digits
n = 193229 58172 digits
n = 237620 71535 digits
n = 254402 76587 digits
n = 275499 82938 digits
n = 289562 87171 digits
n = 296336 89210 digits
n = 305054 91835 digits
n = 349415 105189 digits Apr 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 370140 111428 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 439079 132180 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 633345 190660 digits Feb 2011 Adam Alexander; PSieve; srsieve; PrimeGrid; LLR
n = 651495 196124 digits Feb 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 797586 240102 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 834249 251138 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 838697 252477 digits Apr 2012 Darrell Hoffpauir; PSieve; srsieve; PrimeGrid; LLR
n = 847211 255040 digits Apr 2012 Michael Herman; PSieve; srsieve; PrimeGrid; LLR
n = 894632 269315 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 939450 282807 digits Jul 2012 Sou Fukui; PSieve; srsieve; PrimeGrid; LLR
n = 940350 283078 digits Jul 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1171560 352679 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1524774 459007 digits Feb 2019 Noah Brecht; PSieve; srsieve; PrimeGrid; LLR
n = 1977920 595418 digits Jul 2024 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2115797 636923 digits Jan 2025 Mark Williams; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3358929 1011143 digits Mar 2021 James Krauss; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7607
max n: 2.373.386
n = 27 13 digits
n = 31 14 digits
n = 531 164 digits
n = 711 218 digits
n = 2551 772 digits
n = 6567 1981 digits
n = 11427 3444 digits
n = 28507 8586 digits
n = 225927 68015 digits
n = 257967 77660 digits
n = 282507 85047 digits
n = 350947 105650 digits Apr 2012 PPSE; PrimeGrid
n = 378735 114015 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 2203719 663390 digits Feb 2025 Eli Weiss; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7609
max n: 2.372.929
n = 6 6 digits
n = 10 7 digits
n = 14 9 digits
n = 26 12 digits
n = 70 25 digits
n = 370 116 digits
n = 466 145 digits
n = 774 237 digits
n = 3854 1165 digits 1993 Jeffrey Young
n = 35538 10702 digits
n = 54354 16367 digits
n = 88634 26686 digits
n = 298226 89779 digits
n = 298458 89849 digits
n = 572978 172488 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1923578 579059 digits Feb 2024 Florian Gnann; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7611
max n: 2.372.564
n = 3 5 digits
n = 5 6 digits
n = 11 8 digits
n = 12 8 digits
n = 16 9 digits
n = 19 10 digits
n = 44 18 digits
n = 93 32 digits
n = 156 51 digits
n = 187 61 digits
n = 199 64 digits
n = 233 75 digits
n = 305 96 digits
n = 369 115 digits
n = 535 165 digits
n = 759 233 digits
n = 1075 328 digits
n = 1097 335 digits
n = 1339 407 digits
n = 1375 418 digits
n = 1471 447 digits
n = 1481 450 digits
n = 2368 717 digits
n = 2455 743 digits
n = 4891 1477 digits 1993 Jeffrey Young
n = 8251 2488 digits
n = 10168 3065 digits
n = 11732 3536 digits
n = 17595 5301 digits
n = 21936 6608 digits
n = 23328 7027 digits
n = 38199 11503 digits
n = 66452 20008 digits
n = 126391 38052 digits
n = 351092 105694 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 355247 106944 digits May 2012 PPSE; PrimeGrid
n = 378152 113839 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 419668 126337 digits Oct 2012 PPSE; PrimeGrid
n = 622519 187401 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 693284 208704 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1007199 303201 digits Oct 2012 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1213584 365330 digits Dec 2013 Collin O'Connor; PSieve; srsieve; PrimeGrid; LLR
n = 1338667 402983 digits Jun 2015 Stefan Wakolbinger; PSieve; srsieve; PrimeGrid; LLR
n = 1664095 500947 digits Feb 2022 Jörg Bravin; PSieve; srsieve; PrimeGrid; LLR
n = 2140163 644258 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7613
max n: 2.372.876
n = 1 5 digits
n = 13 8 digits
n = 21 11 digits
n = 101 35 digits
n = 117 40 digits
n = 189 61 digits
n = 317 100 digits
n = 669 206 digits
n = 1073 327 digits
n = 1229 374 digits
n = 1309 398 digits
n = 1893 574 digits
n = 2761 836 digits
n = 3349 1013 digits 1993 Jeffrey Young
n = 3713 1122 digits 1993 Jeffrey Young
n = 12181 3671 digits
n = 16577 4995 digits
n = 26741 8054 digits
n = 29893 9003 digits
n = 34537 10401 digits
n = 46837 14104 digits
n = 54281 16345 digits
n = 61737 18589 digits
n = 92893 27968 digits
n = 129749 39063 digits
n = 143557 43219 digits
n = 150889 45426 digits
n = 201541 60674 digits
n = 202897 61082 digits
n = 222901 67104 digits
n = 551661 166071 digits Sep 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 601349 181028 digits Jan 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 689081 207438 digits Sep 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 1247249 375464 digits Feb 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1340193 403443 digits Jun 2015 Wladimir Weber; PSieve; srsieve; PrimeGrid; LLR
k: 7615
max n: 2.373.147
n = 58 22 digits
n = 238 76 digits
n = 1486 452 digits
n = 12086 3643 digits
n = 14098 4248 digits
n = 20620 6212 digits
n = 28810 8677 digits
n = 188606 56780 digits
n = 1441226 433857 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1558670 469211 digits Feb 2020 Frederik Schiøler; PSieve; srsieve; PrimeGrid; LLR
n = 2098972 631858 digits Jan 2025 Honza Cholt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7617
max n: 2.372.549
n = 2 5 digits
n = 3 5 digits
n = 6 6 digits
n = 7 6 digits
n = 10 7 digits
n = 15 9 digits
n = 16 9 digits
n = 18 10 digits
n = 19 10 digits
n = 22 11 digits
n = 23 11 digits
n = 42 17 digits
n = 66 24 digits
n = 75 27 digits
n = 88 31 digits
n = 98 34 digits
n = 106 36 digits
n = 115 39 digits
n = 118 40 digits
n = 126 42 digits
n = 226 72 digits
n = 232 74 digits
n = 243 78 digits
n = 250 80 digits
n = 344 108 digits
n = 767 235 digits
n = 954 292 digits
n = 1023 312 digits
n = 1158 353 digits
n = 1398 425 digits
n = 1430 435 digits
n = 1534 466 digits
n = 1558 473 digits
n = 1598 485 digits
n = 1735 527 digits
n = 1936 587 digits
n = 2594 785 digits
n = 4555 1376 digits 1993 Jeffrey Young
n = 4595 1388 digits 1993 Jeffrey Young
n = 6739 2033 digits
n = 6859 2069 digits
n = 7414 2236 digits
n = 7486 2258 digits
n = 7807 2355 digits
n = 10515 3170 digits
n = 11958 3604 digits
n = 15042 4532 digits Nov 1997 Henri Lifchitz; Proth
n = 23894 7197 digits
n = 26000 7831 digits
n = 27995 8432 digits
n = 31655 9533 digits
n = 35074 10563 digits
n = 42774 12881 digits
n = 53515 16114 digits
n = 53782 16194 digits
n = 90079 27121 digits
n = 160264 48249 digits
n = 165715 49890 digits
n = 206750 62242 digits
n = 244047 73470 digits
n = 257050 77384 digits
n = 271622 81771 digits
n = 278912 83965 digits
n = 355779 107105 digits May 2012 PPSE; PrimeGrid
n = 436466 131394 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 457672 137777 digits Jul 2009 Jochen Beck; srsieve; PrimeGrid; LLR
n = 473014 142396 digits Oct 2009 Peter Zalewski; srsieve; PrimeGrid; LLR
n = 488654 147104 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 565515 170241 digits Oct 2010 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 808763 243466 digits Mar 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 999712 300948 digits Sep 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1236482 372223 digits Jan 2014 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1416578 426437 digits Aug 2016 Travis Parker; PSieve; srsieve; PrimeGrid; LLR
n = 2042887 614975 digits Jan 2025 Louis Meuler; PPSE; PrimeGrid
n = 2135695 642913 digits Jan 2025 Justin Burner; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2236195 673166 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3413315 1027515 digits Mar 2022 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7619
max n: 2.372.378
n = 3 5 digits
n = 5 6 digits
n = 9 7 digits
n = 11 8 digits
n = 15 9 digits
n = 45 18 digits
n = 89 31 digits
n = 99 34 digits
n = 101 35 digits
n = 191 62 digits
n = 291 92 digits
n = 569 176 digits
n = 603 186 digits
n = 827 253 digits
n = 1245 379 digits
n = 1293 394 digits
n = 1779 540 digits
n = 2117 642 digits
n = 3639 1100 digits 1993 Jeffrey Young
n = 3761 1137 digits 1993 Jeffrey Young
n = 6819 2057 digits
n = 7919 2388 digits
n = 13317 4013 digits
n = 13583 4093 digits
n = 18845 5677 digits
n = 19499 5874 digits
n = 31443 9470 digits
n = 31503 9488 digits
n = 32969 9929 digits
n = 46707 14065 digits
n = 50081 15080 digits Mar 2002 Göran Axelsson; Proth
n = 57881 17428 digits
n = 80361 24195 digits
n = 82443 24822 digits
n = 88575 26668 digits
n = 141747 42674 digits
n = 142017 42756 digits
n = 269511 81135 digits
n = 315471 94971 digits
n = 339791 102292 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 407391 122641 digits Aug 2012 Adrian Schori; PPSE; PrimeGrid
n = 692985 208614 digits Sep 2011 Hao Li; PSieve; srsieve; PrimeGrid; LLR
n = 718611 216328 digits Nov 2011 Yongchen Xu; PSieve; srsieve; PrimeGrid; LLR
n = 956595 287968 digits Jul 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 983427 296045 digits Sep 2012 Ernst Fluttert; PSieve; srsieve; PrimeGrid; LLR
k: 7621
max n: 2.373.420
n = 4 6 digits
n = 48 19 digits
n = 60 22 digits
n = 64 24 digits
n = 76 27 digits
n = 88 31 digits
n = 1672 508 digits
n = 3436 1039 digits 1993 Jeffrey Young
n = 5788 1747 digits
n = 6816 2056 digits Mar 1996 Patrick Demichel
n = 10732 3235 digits
n = 11068 3336 digits
n = 12532 3777 digits
n = 81420 24514 digits
n = 99076 29829 digits
n = 147220 44322 digits
n = 194764 58634 digits
n = 357528 107631 digits May 2012 PPSE; PrimeGrid
n = 699240 210497 digits Sep 2011 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 1523388 458590 digits Feb 2019 Atis Kozulis; PSieve; srsieve; PrimeGrid; LLR
k: 7623
max n: 2.372.583
n = 2 5 digits
n = 6 6 digits
n = 8 7 digits
n = 16 9 digits
n = 17 9 digits
n = 22 11 digits
n = 24 12 digits
n = 29 13 digits
n = 30 13 digits
n = 41 17 digits
n = 42 17 digits
n = 50 19 digits
n = 52 20 digits
n = 58 22 digits
n = 60 22 digits
n = 65 24 digits
n = 106 36 digits
n = 156 51 digits
n = 168 55 digits
n = 170 56 digits
n = 458 142 digits
n = 490 152 digits
n = 656 202 digits
n = 757 232 digits
n = 828 254 digits
n = 881 270 digits
n = 958 293 digits
n = 1142 348 digits
n = 1382 420 digits
n = 3328 1006 digits 1993 Jeffrey Young
n = 3504 1059 digits 1993 Jeffrey Young
n = 4204 1270 digits 1993 Jeffrey Young
n = 5940 1793 digits
n = 7346 2216 digits May 1996 Patrick Demichel
n = 8345 2516 digits
n = 11986 3613 digits
n = 12061 3635 digits
n = 12233 3687 digits
n = 17792 5360 digits
n = 20344 6129 digits
n = 31016 9341 digits
n = 32342 9740 digits
n = 53173 16011 digits
n = 58973 17757 digits
n = 69054 20792 digits
n = 92726 27918 digits
n = 96209 28966 digits
n = 168158 50625 digits
n = 171412 51605 digits
n = 257872 77632 digits
n = 276560 83257 digits
n = 314273 94610 digits
n = 339576 102227 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 356648 107366 digits May 2012 PPSE; PrimeGrid
n = 379657 114293 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 443858 133619 digits Dec 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 484926 145982 digits Jan 2010 Ossi Mauno; PSieve; srsieve; PrimeGrid; LLR
n = 624457 187985 digits Feb 2011 Enzo Castigliola; PSieve; srsieve; PrimeGrid; LLR
n = 660962 198974 digits Apr 2011 Dmitriy Kodochigov; PSieve; srsieve; PrimeGrid; LLR
n = 1104806 332584 digits Jul 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1381022 415733 digits Feb 2016 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1773174 533783 digits Nov 2023 PPSE; PrimeGrid
n = 1788776 538480 digits Jan 2024 Gregory Bennett; PPSE; PrimeGrid
k: 7625
max n: 2.373.459
n = 3 5 digits
n = 9 7 digits
n = 11 8 digits
n = 17 9 digits
n = 33 14 digits
n = 57 22 digits
n = 89 31 digits
n = 123 41 digits
n = 291 92 digits
n = 407 127 digits
n = 647 199 digits
n = 9747 2939 digits
n = 15299 4610 digits
n = 73729 22199 digits
n = 127319 38331 digits
n = 135767 40874 digits
n = 312687 94133 digits
n = 878279 264393 digits May 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 894089 269152 digits Jun 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
n = 1266329 381207 digits May 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 7627
max n: 2.372.965
n = 2 5 digits
n = 4 6 digits
n = 36 15 digits
n = 54 21 digits
n = 68 25 digits
n = 128 43 digits
n = 172 56 digits
n = 174 57 digits
n = 206 66 digits
n = 216 69 digits
n = 232 74 digits
n = 256 81 digits
n = 372 116 digits
n = 422 131 digits
n = 494 153 digits
n = 1596 485 digits
n = 1916 581 digits
n = 2016 611 digits
n = 6228 1879 digits
n = 6992 2109 digits Mar 1996 Patrick Demichel
n = 8824 2661 digits
n = 10034 3025 digits
n = 24528 7388 digits
n = 43360 13057 digits
n = 51312 15451 digits Oct 1998 Harvey Seargeant; Proth
n = 64592 19449 digits
n = 136118 40980 digits
n = 138236 41618 digits
n = 143868 43313 digits
n = 168356 50685 digits
n = 196722 59224 digits
n = 301336 90716 digits
n = 331516 99801 digits
n = 392966 118299 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 433202 130411 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 619292 186430 digits Feb 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
k: 7629
max n: 2.373.150
n = 1 5 digits
n = 2 5 digits
n = 5 6 digits
n = 7 6 digits
n = 17 9 digits
n = 25 12 digits
n = 37 16 digits
n = 73 26 digits
n = 151 50 digits
n = 205 66 digits
n = 211 68 digits
n = 217 70 digits
n = 223 72 digits
n = 269 85 digits
n = 289 91 digits
n = 307 97 digits
n = 314 99 digits
n = 775 238 digits
n = 787 241 digits
n = 970 296 digits
n = 1249 380 digits
n = 1447 440 digits
n = 3025 915 digits
n = 3745 1132 digits 1993 Jeffrey Young
n = 5905 1782 digits
n = 6235 1881 digits
n = 18757 5651 digits
n = 19141 5766 digits
n = 23153 6974 digits
n = 34387 10356 digits
n = 38729 11663 digits
n = 39985 12041 digits
n = 55045 16575 digits
n = 62791 18906 digits
n = 77945 23468 digits
n = 158729 47787 digits
n = 262081 78899 digits
n = 264967 79767 digits
n = 270898 81553 digits
n = 641609 193148 digits Feb 2011 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 884858 266373 digits May 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1266613 381293 digits May 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1964677 591431 digits May 2024 Ken Preston; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2035969 612892 digits Dec 2024 Jonathan Gehrke; PPSE; PrimeGrid
k: 7631
max n: 2.372.972
n = 1 5 digits
n = 11 8 digits
n = 13 8 digits
n = 17 10 digits
n = 19 10 digits
n = 25 12 digits
n = 27 13 digits
n = 29 13 digits
n = 49 19 digits
n = 51 20 digits
n = 65 24 digits
n = 99 34 digits
n = 147 49 digits
n = 149 49 digits
n = 157 52 digits
n = 211 68 digits
n = 293 93 digits
n = 309 97 digits
n = 413 129 digits
n = 449 140 digits
n = 2929 886 digits
n = 3457 1045 digits 1993 Jeffrey Young
n = 3667 1108 digits 1993 Jeffrey Young
n = 3881 1173 digits 1993 Jeffrey Young
n = 4553 1375 digits 1993 Jeffrey Young
n = 5537 1671 digits
n = 9027 2722 digits
n = 11581 3491 digits
n = 14611 4403 digits
n = 17501 5273 digits
n = 69897 21045 digits
n = 92809 27943 digits
n = 103413 31135 digits
n = 114899 34592 digits
n = 156269 47046 digits
n = 180357 54297 digits
n = 192709 58016 digits
n = 222035 66844 digits
n = 473795 142631 digits Oct 2009 Michael Frith; srsieve; PrimeGrid; LLR
n = 477275 143678 digits Oct 2009 Brendan Gallagher; srsieve; PrimeGrid; LLR
n = 653065 196597 digits Mar 2011 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 1093397 329150 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1454961 437991 digits Aug 2017 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 1571013 472926 digits Feb 2020 Stephen Michael Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2068469 622676 digits Jan 2025 Kai Presler; PPSE; PrimeGrid
n = 2299427 692201 digits Aug 2025 Michael Millerick; PPSE; PrimeGrid
k: 7633
max n: 2.372.971
n = 6 6 digits
n = 12 8 digits
n = 44 18 digits
n = 752 231 digits
n = 1178 359 digits
n = 2138 648 digits
n = 4338 1310 digits 1993 Jeffrey Young
n = 24078 7253 digits
n = 42098 12677 digits
n = 45738 13773 digits
n = 49188 14811 digits
n = 92406 27821 digits
n = 98888 29773 digits
n = 434114 130686 digits Dec 2012 Brook Harste; PPSE; PrimeGrid
n = 464256 139759 digits Aug 2009 Colin Nish; srsieve; PrimeGrid; LLR
n = 505914 152300 digits May 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 919124 276688 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 7635
max n: 2.372.873
n = 1 5 digits
n = 6 6 digits
n = 13 8 digits
n = 37 16 digits
n = 42 17 digits
n = 54 21 digits
n = 60 22 digits
n = 69 25 digits
n = 78 28 digits
n = 84 30 digits
n = 108 37 digits
n = 181 59 digits
n = 294 93 digits
n = 333 105 digits
n = 390 122 digits
n = 577 178 digits
n = 721 221 digits
n = 1893 574 digits
n = 2389 724 digits
n = 3030 917 digits
n = 3342 1010 digits 1993 Jeffrey Young
n = 3774 1140 digits 1993 Jeffrey Young
n = 5142 1552 digits
n = 6982 2106 digits Mar 1996 Patrick Demichel
n = 8029 2421 digits
n = 16479 4965 digits
n = 19740 5947 digits
n = 27774 8365 digits
n = 37230 11212 digits
n = 58162 17513 digits
n = 83064 25009 digits
n = 171249 51555 digits
n = 188916 56874 digits
n = 216444 65161 digits
n = 221736 66754 digits
n = 249360 75069 digits
n = 304362 91626 digits
n = 352254 106043 digits May 2012 PPSE; PrimeGrid
n = 381030 114706 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 392149 118053 digits Jul 2012 Dirk Dhuyvetters; PPSE; PrimeGrid
n = 465709 140197 digits Jun 2009 Steven Wong; srsieve; PrimeGrid; LLR
n = 467370 140697 digits Aug 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 480972 144791 digits Nov 2009 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 643218 193632 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 898861 270589 digits Jun 2012 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1671882 503291 digits Feb 2022 Dusan Vykouril; PSieve; srsieve; PrimeGrid; LLR
n = 2007109 604204 digits Oct 2024 Jürgen Heinrich; PPSE; PrimeGrid
k: 7637
max n: 2.372.638
n = 11 8 digits
n = 15 9 digits
n = 23 11 digits
n = 43 17 digits
n = 111 38 digits
n = 1091 333 digits
n = 1679 510 digits
n = 4759 1437 digits 1993 Jeffrey Young
n = 9591 2892 digits
n = 57651 17359 digits
n = 218891 65897 digits
n = 820355 246956 digits Apr 2012 Hanjoon Kim; PSieve; srsieve; PrimeGrid; LLR
n = 1581163 475982 digits Jul 2020 Anthony Gulla; PSieve; srsieve; PrimeGrid; LLR
n = 3414875 1027984 digits Apr 2022 Thomas Brandt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7639
max n: 2.372.545
n = 2 5 digits
n = 6 6 digits
n = 10 7 digits
n = 14 9 digits
n = 18 10 digits
n = 30 13 digits
n = 62 23 digits
n = 66 24 digits
n = 78 28 digits
n = 130 44 digits
n = 146 48 digits
n = 158 52 digits
n = 174 57 digits
n = 350 110 digits
n = 390 122 digits
n = 646 199 digits
n = 1214 370 digits
n = 2598 786 digits
n = 3830 1157 digits 1993 Jeffrey Young
n = 6474 1953 digits
n = 7142 2154 digits
n = 9326 2812 digits
n = 18150 5468 digits
n = 21046 6340 digits
n = 113698 34231 digits
n = 162990 49069 digits
n = 173294 52171 digits
n = 201910 60785 digits
n = 223602 67315 digits
n = 350274 105447 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 964918 290474 digits Aug 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1731326 521185 digits Jan 2023 Sam Daykin; PPSE; PrimeGrid
n = 2285778 688092 digits Jun 2025 Al McAdams; PPSE; PrimeGrid
n = 2318722 698009 digits Oct 2025 Greg Miller; PPSE; PrimeGrid
k: 7641
max n: 2.372.782
n = 3 5 digits
n = 7 6 digits
n = 15 9 digits
n = 23 11 digits
n = 107 37 digits
n = 117 40 digits
n = 120 41 digits
n = 133 44 digits
n = 213 69 digits
n = 259 82 digits
n = 315 99 digits
n = 437 136 digits
n = 755 232 digits
n = 837 256 digits
n = 1227 374 digits
n = 1805 548 digits
n = 2515 761 digits
n = 2765 837 digits
n = 3784 1143 digits 1993 Jeffrey Young
n = 4072 1230 digits 1993 Jeffrey Young
n = 4605 1391 digits 1993 Jeffrey Young
n = 6135 1851 digits
n = 8925 2691 digits
n = 10415 3140 digits
n = 12687 3824 digits
n = 22259 6705 digits
n = 22919 6904 digits
n = 52175 15711 digits
n = 56304 16954 digits
n = 66895 20142 digits
n = 72103 21710 digits
n = 99960 30095 digits
n = 139863 42107 digits
n = 163893 49341 digits
n = 639709 192576 digits Feb 2011 Kenneth J. Brazier; PSieve; srsieve; PrimeGrid; LLR
n = 967384 291216 digits Aug 2012 Jason Poplaski; PSieve; srsieve; PrimeGrid; LLR
n = 1449172 436249 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1570180 472676 digits Feb 2020 Tim Terry; PSieve; srsieve; PrimeGrid; LLR
n = 2053523 618176 digits Jan 2025 Thorsten Sambale; PPSE; PrimeGrid
n = 2209383 665095 digits Feb 2025 Wes Hewitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7643
max n: 2.373.336
n = 1 5 digits
n = 25 12 digits
n = 365 114 digits
n = 553 171 digits
n = 1033 315 digits
n = 5557 1677 digits
n = 5653 1706 digits
n = 15757 4748 digits
n = 15961 4809 digits
n = 46873 14115 digits
n = 81625 24576 digits
n = 131113 39473 digits
n = 201337 60613 digits
n = 1695533 510411 digits May 2022 PPSE; PrimeGrid
k: 7645
max n: 2.372.627
n = 4 6 digits
n = 8 7 digits
n = 12 8 digits
n = 14 9 digits
n = 32 14 digits
n = 50 19 digits
n = 60 22 digits
n = 64 24 digits
n = 92 32 digits
n = 108 37 digits
n = 182 59 digits
n = 344 108 digits
n = 708 218 digits
n = 712 219 digits
n = 808 248 digits
n = 842 258 digits
n = 1028 314 digits
n = 1184 361 digits
n = 1748 531 digits
n = 2212 670 digits
n = 2302 697 digits
n = 2412 730 digits
n = 3000 907 digits
n = 5272 1591 digits
n = 8268 2493 digits
n = 8308 2505 digits
n = 8774 2646 digits
n = 14566 4389 digits
n = 14888 4486 digits
n = 16778 5055 digits
n = 33746 10163 digits
n = 48732 14674 digits
n = 57482 17308 digits
n = 137872 41508 digits
n = 148100 44587 digits
n = 176536 53147 digits
n = 229606 69123 digits
n = 286804 86341 digits
n = 293596 88386 digits
n = 301512 90769 digits
n = 381808 114940 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 834062 251082 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 854696 257294 digits May 2012 Tomasz R. Gwiazda; PSieve; srsieve; PrimeGrid; LLR
n = 922502 277705 digits Jun 2012 GertJan van Oenen; PSieve; srsieve; PrimeGrid; LLR
n = 1266736 381330 digits May 2014 Adrian Schori; PSieve; srsieve; PrimeGrid; LLR
n = 1421064 427787 digits Sep 2016 Stan Hebr; PSieve; srsieve; PrimeGrid; LLR
n = 1470074 442541 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 1505472 453197 digits Nov 2018 Stephen Michael Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1684184 506994 digits Apr 2022 Paweł Dec; PPSE; PrimeGrid
k: 7647
max n: 2.372.959
n = 6 6 digits
n = 20 10 digits
n = 32 14 digits
n = 48 19 digits
n = 107 37 digits
n = 135 45 digits
n = 143 47 digits
n = 168 55 digits
n = 212 68 digits
n = 215 69 digits
n = 227 73 digits
n = 272 86 digits
n = 315 99 digits
n = 336 106 digits
n = 479 149 digits
n = 480 149 digits
n = 498 154 digits
n = 767 235 digits
n = 1086 331 digits
n = 1098 335 digits
n = 1722 523 digits
n = 2640 799 digits
n = 2802 848 digits
n = 4655 1406 digits 1993 Jeffrey Young
n = 6198 1870 digits
n = 12672 3819 digits
n = 17735 5343 digits
n = 21488 6473 digits
n = 72468 21819 digits
n = 73116 22014 digits
n = 99383 29922 digits
n = 118392 35644 digits
n = 130518 39294 digits
n = 152016 45766 digits
n = 164010 49376 digits
n = 166115 50010 digits
n = 172683 51987 digits
n = 190883 57466 digits
n = 213960 64413 digits
n = 278262 83770 digits
n = 293748 88431 digits
n = 578687 174207 digits Nov 2010 Jeff Webster; PSieve; srsieve; PrimeGrid; LLR
n = 700308 210818 digits Jan 2010 Mika Saksanen; srsieve; PrimeGrid; LLR
k: 7649
max n: 2.373.038
n = 1 5 digits
n = 49 19 digits
n = 55 21 digits
n = 111 38 digits
n = 115 39 digits
n = 169 55 digits
n = 925 283 digits
n = 1009 308 digits
n = 1155 352 digits
n = 2019 612 digits
n = 2151 652 digits
n = 3891 1176 digits 1993 Jeffrey Young
n = 7131 2151 digits
n = 12955 3904 digits
n = 263689 79383 digits
n = 1242315 373978 digits Feb 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1553995 467803 digits Jan 2020 Richard Mortimore; PSieve; srsieve; PrimeGrid; LLR
n = 1944685 585413 digits Mar 2024 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7651
max n: 2.373.008
n = 25368 7641 digits 1987 Duncan A. Buell; Jeffrey Young
n = 150872 45421 digits
n = 346232 104231 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 1384544 416794 digits Feb 2016 Rolf Henrik Nilsson; PSieve; srsieve; PrimeGrid; LLR
n = 1556432 468537 digits Feb 2020 Alen Kecic; PSieve; srsieve; PrimeGrid; LLR
n = 2311104 695716 digits Sep 2025 Emil Hristoskov; PPSE; PrimeGrid
k: 7653
max n: 2.373.039
n = 1 5 digits
n = 4 6 digits
n = 5 6 digits
n = 6 6 digits
n = 21 11 digits
n = 29 13 digits
n = 64 24 digits
n = 136 45 digits
n = 240 77 digits
n = 301 95 digits
n = 329 103 digits
n = 554 171 digits
n = 624 192 digits
n = 857 262 digits
n = 974 298 digits
n = 1086 331 digits
n = 3026 915 digits
n = 4364 1318 digits 1993 Jeffrey Young
n = 5864 1770 digits
n = 6761 2040 digits
n = 8046 2426 digits
n = 8364 2522 digits
n = 8597 2592 digits May 1996 Patrick Demichel
n = 27254 8209 digits
n = 28664 8633 digits
n = 29885 9001 digits
n = 32096 9666 digits
n = 41917 12623 digits
n = 49609 14938 digits
n = 60517 18222 digits
n = 74546 22445 digits
n = 84554 25458 digits
n = 126116 37969 digits
n = 143945 43336 digits
n = 244797 73696 digits
n = 248186 74716 digits
n = 263501 79326 digits
n = 265446 79912 digits
n = 447026 134573 digits Jan 2013 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 514310 154827 digits Jun 2010 James Winskill; PSieve; srsieve; PrimeGrid; LLR
n = 955574 287661 digits Jul 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1042346 313782 digits Jan 2013 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 1052985 316984 digits May 2013 Marshall Bishop; PSieve; srsieve; PrimeGrid; OpenPFGW; LLR
n = 2068925 622813 digits Jan 2025 Bruce Marler; PPSE; PrimeGrid
n = 2219045 668003 digits Feb 2025 James Krauss; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7655
max n: 2.372.634
n = 27 13 digits
n = 55 21 digits
n = 57 22 digits
n = 65 24 digits
n = 81 29 digits
n = 115 39 digits
n = 127 43 digits
n = 211 68 digits
n = 453 141 digits
n = 643 198 digits
n = 675 208 digits
n = 873 267 digits
n = 1317 401 digits
n = 3123 945 digits
n = 4231 1278 digits 1993 Jeffrey Young
n = 7893 2380 digits
n = 10263 3094 digits
n = 11787 3553 digits
n = 13203 3979 digits
n = 17431 5252 digits
n = 25525 7688 digits
n = 56691 17070 digits
n = 72067 21699 digits
n = 119863 36087 digits
n = 149035 44868 digits
n = 295707 89021 digits
n = 298975 90005 digits
n = 305377 91932 digits
n = 422547 127204 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 704155 211976 digits Sep 2011 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 818681 246452 digits Apr 2012 Ben Ridgway; PSieve; srsieve; PrimeGrid; LLR
k: 7657
max n: 2.372.559
n = 16 9 digits
n = 20 10 digits
n = 118 40 digits
n = 148 49 digits
n = 176 57 digits
n = 448 139 digits
n = 638 196 digits
n = 718 221 digits
n = 886 271 digits
n = 1042 318 digits
n = 3194 966 digits
n = 5122 1546 digits
n = 6394 1929 digits
n = 20600 6206 digits
n = 34102 10270 digits
n = 49684 14961 digits
n = 53650 16155 digits
n = 84218 25357 digits
n = 87184 26249 digits
n = 167026 50284 digits
n = 242248 72928 digits
n = 454562 136841 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 687194 206870 digits Aug 2011 Alexey Tarasov; PSieve; srsieve; PrimeGrid; LLR
n = 2251544 677787 digits Mar 2025 Ken Preston; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2321236 698766 digits Nov 2025 PPSE; PrimeGrid
k: 7659
max n: 2.372.841
n = 1 5 digits
n = 2 5 digits
n = 11 8 digits
n = 15 9 digits
n = 50 19 digits
n = 51 20 digits
n = 54 21 digits
n = 105 36 digits
n = 126 42 digits
n = 135 45 digits
n = 146 48 digits
n = 182 59 digits
n = 211 68 digits
n = 226 72 digits
n = 375 117 digits
n = 450 140 digits
n = 529 164 digits
n = 626 193 digits
n = 662 204 digits
n = 1366 416 digits
n = 1406 428 digits
n = 1411 429 digits
n = 1523 463 digits
n = 2519 763 digits
n = 4295 1297 digits 1993 Jeffrey Young
n = 5166 1560 digits
n = 8059 2430 digits
n = 9651 2910 digits
n = 14251 4294 digits
n = 14611 4403 digits
n = 17935 5403 digits
n = 24458 7367 digits Nov 1998 Baptiste Heyman; Proth
n = 27423 8260 digits
n = 39190 11802 digits
n = 41511 12500 digits
n = 44583 13425 digits
n = 57526 17321 digits
n = 63238 19041 digits
n = 88303 26586 digits
n = 91399 27518 digits
n = 96022 28910 digits
n = 151679 45664 digits
n = 168311 50671 digits
n = 220882 66496 digits
n = 247642 74552 digits
n = 256171 77120 digits
n = 258755 77897 digits
n = 424739 127864 digits Nov 2012 Jörg Meili; PPSE; PrimeGrid
n = 860378 259004 digits May 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1241665 373783 digits Jan 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1887015 568053 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2165631 651924 digits Feb 2025 Michael Millerick; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2204543 663638 digits Feb 2025 Drew Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3348894 1008122 digits Feb 2021 Ken Ito; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7661
max n: 2.372.948
n = 9 7 digits
n = 23 11 digits
n = 27 13 digits
n = 87 31 digits
n = 303 96 digits
n = 353 111 digits
n = 495 153 digits
n = 645 199 digits
n = 663 204 digits
n = 675 208 digits
n = 1185 361 digits
n = 3183 963 digits
n = 4583 1384 digits 1993 Jeffrey Young
n = 5835 1761 digits
n = 6327 1909 digits
n = 8637 2604 digits
n = 14603 4400 digits
n = 45635 13742 digits
n = 100865 30368 digits
n = 145973 43947 digits
n = 168023 50584 digits
n = 188667 56799 digits
n = 305093 91847 digits
n = 310185 93379 digits
n = 438809 132099 digits Dec 2012 Göran Schmidt; PPSE; PrimeGrid
n = 452193 136128 digits Apr 2009 Adam Ferralli; srsieve; PrimeGrid; LLR
n = 474939 142975 digits Oct 2009 Jason Adams; srsieve; PrimeGrid; LLR
n = 506775 152559 digits May 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 605403 182249 digits Jan 2011 Kazuki Komatsu; PSieve; srsieve; PrimeGrid; LLR
n = 2043393 615127 digits Jan 2025 James Krauss; PPSE; PrimeGrid
k: 7663
max n: 2.373.420
n = 4 6 digits
n = 10 7 digits
n = 12 8 digits
n = 36 15 digits
n = 60 22 digits
n = 72 26 digits
n = 82 29 digits
n = 424 132 digits
n = 610 188 digits
n = 864 264 digits
n = 1392 423 digits
n = 4122 1245 digits 1993 Jeffrey Young
n = 4770 1440 digits 1993 Jeffrey Young
n = 6616 1996 digits
n = 10314 3109 digits
n = 25962 7820 digits
n = 27064 8151 digits
n = 29580 8909 digits
n = 69360 20884 digits
n = 80484 24232 digits
n = 1086754 327150 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1257562 378568 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1628362 490190 digits Feb 2021 Lee Stephens; PSieve; srsieve; PrimeGrid; LLR
n = 2157400 649446 digits Feb 2025 Ian Dickinson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7665
max n: 2.372.271
n = 1 5 digits
n = 2 5 digits
n = 10 7 digits
n = 12 8 digits
n = 13 8 digits
n = 16 9 digits
n = 18 10 digits
n = 20 10 digits
n = 21 11 digits
n = 26 12 digits
n = 30 13 digits
n = 33 14 digits
n = 34 15 digits
n = 40 16 digits
n = 46 18 digits
n = 66 24 digits
n = 72 26 digits
n = 73 26 digits
n = 82 29 digits
n = 92 32 digits
n = 101 35 digits
n = 106 36 digits
n = 112 38 digits
n = 122 41 digits
n = 126 42 digits
n = 136 45 digits
n = 138 46 digits
n = 198 64 digits
n = 202 65 digits
n = 221 71 digits
n = 235 75 digits
n = 288 91 digits
n = 314 99 digits
n = 324 102 digits
n = 433 135 digits
n = 782 240 digits
n = 1077 329 digits
n = 1118 341 digits
n = 1120 342 digits
n = 1333 406 digits
n = 1377 419 digits
n = 1406 428 digits
n = 1480 450 digits
n = 1715 521 digits
n = 1722 523 digits
n = 1744 529 digits
n = 2542 770 digits
n = 2680 811 digits
n = 2928 886 digits
n = 2993 905 digits
n = 3016 912 digits
n = 3433 1038 digits 1993 Jeffrey Young
n = 4245 1282 digits 1993 Jeffrey Young
n = 5131 1549 digits
n = 6098 1840 digits
n = 7333 2212 digits May 1996 Patrick Demichel
n = 7756 2339 digits May 1996 Patrick Demichel
n = 9766 2944 digits
n = 10393 3133 digits
n = 14505 4371 digits
n = 14854 4476 digits
n = 17230 5191 digits
n = 19438 5856 digits
n = 22858 6885 digits
n = 22928 6906 digits
n = 25338 7632 digits
n = 40808 12289 digits
n = 48042 14466 digits
n = 52577 15832 digits
n = 55675 16764 digits
n = 70976 21370 digits
n = 92473 27842 digits
n = 217416 65453 digits
n = 276826 83337 digits
n = 315137 94870 digits
n = 382590 115175 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 383915 115574 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 394676 118814 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 502400 151242 digits Jun 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 581257 174980 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 602354 181331 digits Jan 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 608434 183161 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 613832 184786 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 668317 201188 digits Apr 2011 Charles Morton; PSieve; srsieve; PrimeGrid; LLR
n = 726645 218746 digits Feb 2012 Yuriy Bogachov; PSieve; srsieve; PrimeGrid; LLR
n = 734508 221113 digits Feb 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 803281 241816 digits Mar 2012 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 810622 244026 digits Mar 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 992605 298808 digits Sep 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1177814 354562 digits Oct 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1567988 472016 digits Feb 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1743746 524924 digits May 2023 Yifei Gao; PPSE; PrimeGrid
n = 1883590 567021 digits Feb 2024 Alain Dumange; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2150842 647472 digits Feb 2025 Liam McGonegal; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2158320 649723 digits Feb 2025 Ludovic Ferrandis; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2211956 665869 digits Feb 2025 Dave Sunderland; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3365896 1013240 digits May 2021 Andrew Johnson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7667
max n: 2.373.254
n = 7 6 digits
n = 23 11 digits
n = 31 14 digits
n = 59 22 digits
n = 63 23 digits
n = 131 44 digits
n = 143 47 digits
n = 155 51 digits
n = 199 64 digits
n = 247 79 digits
n = 255 81 digits
n = 291 92 digits
n = 799 245 digits
n = 1035 316 digits
n = 1083 330 digits
n = 1875 569 digits
n = 2207 669 digits
n = 3203 969 digits
n = 8559 2581 digits May 1996 Patrick Demichel
n = 9255 2790 digits
n = 33663 10138 digits
n = 35627 10729 digits
n = 37855 11400 digits
n = 63183 19024 digits
n = 68459 20613 digits
n = 155267 46744 digits
n = 176963 53276 digits
n = 676283 203586 digits Aug 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 876107 263739 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1358755 409030 digits Oct 2015 Federico Vera; PSieve; srsieve; PrimeGrid; LLR
n = 2351507 707879 digits Mar 2026 Adrian Baker; PPSE; PrimeGrid
n = 3328807 1002075 digits Feb 2020 Alen Kecic; PSieve; srsieve; PrimeGrid; LLR
k: 7669
max n: 2.372.361
n = 2 5 digits
n = 18 10 digits
n = 38 16 digits
n = 42 17 digits
n = 62 23 digits
n = 242 77 digits
n = 410 128 digits
n = 458 142 digits
n = 998 305 digits
n = 1006 307 digits
n = 1486 452 digits
n = 2026 614 digits
n = 2282 691 digits
n = 5986 1806 digits
n = 11790 3554 digits
n = 19482 5869 digits
n = 47206 14215 digits
n = 702582 211503 digits Sep 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 841462 253310 digits Apr 2012 Hanjoon Kim; PSieve; srsieve; PrimeGrid; LLR
n = 1165478 350848 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 7671
max n: 2.373.088
n = 5 6 digits
n = 7 6 digits
n = 11 8 digits
n = 16 9 digits
n = 31 14 digits
n = 35 15 digits
n = 116 39 digits
n = 125 42 digits
n = 137 46 digits
n = 175 57 digits
n = 400 125 digits
n = 449 140 digits
n = 919 281 digits
n = 947 289 digits
n = 1019 311 digits
n = 1621 492 digits
n = 1747 530 digits
n = 1921 583 digits
n = 3395 1026 digits 1993 Jeffrey Young
n = 4871 1471 digits 1993 Jeffrey Young
n = 7709 2325 digits
n = 9181 2768 digits
n = 22244 6700 digits
n = 37691 11351 digits
n = 40705 12258 digits
n = 52084 15683 digits
n = 55669 16762 digits
n = 72104 21710 digits
n = 82175 24742 digits
n = 115120 34659 digits
n = 140009 42151 digits
n = 140956 42436 digits
n = 141791 42688 digits
n = 272207 81947 digits
n = 578920 174277 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 617117 185775 digits Jan 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 646441 194603 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 996260 299909 digits Sep 2012 Craig Shyjak; PSieve; srsieve; PrimeGrid; LLR
n = 1170935 352491 digits Sep 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1890869 569213 digits Feb 2024 Bob Calvin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2096257 631041 digits Jan 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2112596 635959 digits Jan 2025 Kai Presler; PPSE; PrimeGrid
k: 7673
max n: 2.373.445
n = 9 7 digits
n = 13 8 digits
n = 45 18 digits
n = 53 20 digits
n = 109 37 digits
n = 177 58 digits
n = 353 111 digits
n = 1345 409 digits
n = 1773 538 digits
n = 9265 2793 digits
n = 9789 2951 digits
n = 19365 5834 digits
n = 98017 29510 digits
n = 128173 38588 digits
n = 1213489 365301 digits Dec 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1783961 537030 digits Dec 2023 Jan Peter Fischer; PPSE; PrimeGrid
k: 7675
max n: 2.372.803
n = 6 6 digits
n = 8 7 digits
n = 24 12 digits
n = 38 16 digits
n = 68 25 digits
n = 114 39 digits
n = 128 43 digits
n = 258 82 digits
n = 336 106 digits
n = 644 198 digits
n = 884 270 digits
n = 1064 325 digits
n = 1118 341 digits
n = 1416 431 digits
n = 1488 452 digits
n = 3788 1145 digits 1993 Jeffrey Young
n = 5640 1702 digits
n = 6164 1860 digits
n = 6794 2050 digits
n = 6866 2071 digits
n = 7844 2366 digits
n = 12278 3700 digits
n = 28118 8469 digits
n = 31688 9543 digits
n = 49250 14830 digits
n = 73604 22161 digits
n = 79008 23788 digits
n = 123008 37033 digits
n = 181964 54781 digits
n = 193718 58319 digits
n = 207096 62346 digits
n = 292308 87998 digits
n = 504798 151964 digits May 2010 Ossi Mauno; PSieve; srsieve; PrimeGrid; LLR
n = 1798350 541362 digits Jan 2024 David Walling; PPSE; PrimeGrid
n = 1823786 549019 digits Jan 2024 Roman Strajt; PPSE; PrimeGrid
n = 2244548 675681 digits Mar 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2346068 706241 digits Mar 2026 PPSE; PrimeGrid
k: 7677
max n: 2.372.631
n = 3 5 digits
n = 4 6 digits
n = 6 6 digits
n = 12 8 digits
n = 16 9 digits
n = 52 20 digits
n = 118 40 digits
n = 138 46 digits
n = 195 63 digits
n = 255 81 digits
n = 376 118 digits
n = 534 165 digits
n = 784 240 digits
n = 856 262 digits
n = 904 277 digits
n = 958 293 digits
n = 1018 311 digits
n = 1434 436 digits
n = 1563 475 digits
n = 1834 556 digits
n = 2068 627 digits
n = 2094 635 digits
n = 2692 815 digits
n = 3747 1132 digits 1993 Jeffrey Young
n = 5098 1539 digits
n = 5544 1673 digits
n = 5614 1694 digits
n = 7884 2378 digits
n = 8358 2520 digits
n = 24694 7438 digits
n = 25024 7537 digits
n = 39864 12005 digits
n = 48274 14536 digits
n = 54972 16553 digits
n = 81612 24572 digits
n = 139071 41869 digits
n = 139804 42090 digits
n = 157395 47385 digits
n = 242931 73134 digits
n = 403251 121395 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 498574 150090 digits Apr 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 549198 165329 digits Sep 2010 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 1030506 310218 digits Dec 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 2030974 611388 digits Dec 2024 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2096056 630980 digits Jan 2025 Charles Jackson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7679
max n: 2.372.986
n = 1 5 digits
n = 9 7 digits
n = 21 11 digits
n = 23 11 digits
n = 33 14 digits
n = 39 16 digits
n = 77 28 digits
n = 79 28 digits
n = 109 37 digits
n = 117 40 digits
n = 123 41 digits
n = 483 150 digits
n = 593 183 digits
n = 633 195 digits
n = 923 282 digits
n = 2199 666 digits
n = 2677 810 digits
n = 4701 1420 digits 1993 Jeffrey Young
n = 5991 1808 digits
n = 7267 2192 digits
n = 9257 2791 digits
n = 19117 5759 digits
n = 29289 8821 digits
n = 35563 10710 digits
n = 38661 11643 digits
n = 88879 26760 digits
n = 99771 30038 digits
n = 103473 31153 digits
n = 109621 33004 digits
n = 172447 51916 digits
n = 284261 85575 digits
n = 284511 85651 digits
n = 312039 93937 digits
n = 349309 105157 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 719707 216658 digits Nov 2011 Charley Gielkens; PSieve; srsieve; PrimeGrid; LLR
n = 874661 263304 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 898249 270404 digits Jun 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1143559 344250 digits Sep 2013 Robbie Simpson; PSieve; srsieve; PrimeGrid; LLR
n = 1166409 351128 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1360971 409697 digits Oct 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 3398569 1023076 digits Feb 2022 James S. Gilliland; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7681
max n: 2.372.879
n = 8 7 digits
n = 28 13 digits
n = 100 34 digits
n = 204 66 digits
n = 272 86 digits
n = 980 299 digits
n = 2452 743 digits
n = 3084 933 digits
n = 3128 946 digits
n = 3184 963 digits
n = 3672 1110 digits 1993 Jeffrey Young
n = 12824 3865 digits
n = 14984 4515 digits
n = 22296 6716 digits
n = 46776 14085 digits
n = 53920 16236 digits
n = 79676 23989 digits
n = 90964 27387 digits
n = 179024 53896 digits
n = 190164 57249 digits
n = 404304 121712 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 636956 191747 digits Feb 2011 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
k: 7683
max n: 2.372.872
n = 4 6 digits
n = 10 7 digits
n = 12 8 digits
n = 13 8 digits
n = 14 9 digits
n = 58 22 digits
n = 60 22 digits
n = 68 25 digits
n = 70 25 digits
n = 82 29 digits
n = 124 42 digits
n = 125 42 digits
n = 142 47 digits
n = 265 84 digits
n = 318 100 digits
n = 436 136 digits
n = 642 198 digits
n = 678 208 digits
n = 1297 395 digits
n = 2285 692 digits
n = 2310 700 digits
n = 2425 734 digits
n = 2564 776 digits
n = 3622 1095 digits 1993 Jeffrey Young
n = 6857 2069 digits
n = 8662 2612 digits
n = 8668 2614 digits
n = 11554 3482 digits
n = 24650 7425 digits
n = 25030 7539 digits
n = 30870 9297 digits
n = 50262 15135 digits
n = 56193 16920 digits
n = 70158 21124 digits
n = 73657 22177 digits
n = 116965 35214 digits
n = 118565 35696 digits
n = 174425 52512 digits
n = 324933 97819 digits
n = 330922 99622 digits
n = 358668 107974 digits May 2012 PPSE; PrimeGrid
n = 421673 126941 digits Nov 2012 Adrian Schori; PPSE; PrimeGrid
n = 540762 162790 digits Aug 2010 Christian Beaumet; PSieve; srsieve; PrimeGrid; LLR
n = 937913 282344 digits Jul 2012 Matthew Dike; PSieve; srsieve; PrimeGrid; LLR
n = 1071396 322527 digits May 2013 Vladislav Rassokhin; PSieve; srsieve; PrimeGrid; LLR
n = 1334777 401812 digits May 2015 Wolfram Glatte; PSieve; srsieve; PrimeGrid; LLR
n = 1492356 449248 digits May 2018 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 1838772 553530 digits Jan 2024 Eric Nietering; PPSE; PrimeGrid
n = 2082698 626959 digits Jan 2025 Thorsten Sambale; PPSE; PrimeGrid
k: 7685
max n: 2.373.258
n = 35 15 digits
n = 59 22 digits
n = 179 58 digits
n = 359 112 digits
n = 515 159 digits
n = 571 176 digits
n = 1415 430 digits
n = 3775 1141 digits 1993 Jeffrey Young
n = 24383 7344 digits
n = 46357 13959 digits
n = 54647 16455 digits
n = 225083 67761 digits
n = 478165 143946 digits Nov 2009 Brage E. Elliott; srsieve; PrimeGrid; LLR
n = 1285735 387049 digits Jul 2014 Göran Schmidt; PSieve; srsieve; PrimeGrid; LLR
k: 7687
max n: 2.372.417
n = 6 6 digits
n = 12 8 digits
n = 14 9 digits
n = 22 11 digits
n = 132 44 digits
n = 294 93 digits
n = 356 112 digits
n = 362 113 digits
n = 726 223 digits
n = 1018 311 digits
n = 1232 375 digits
n = 1382 420 digits
n = 1904 578 digits
n = 5988 1807 digits
n = 18862 5682 digits
n = 19406 5846 digits
n = 40404 12167 digits
n = 78014 23489 digits
n = 230874 69504 digits
n = 258062 77689 digits
n = 299926 90291 digits
n = 316176 95183 digits
n = 374734 112811 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 383736 115520 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 437724 131772 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 819392 246666 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1041996 313676 digits Jan 2013 Fedya Bard; PSieve; srsieve; PrimeGrid; LLR
n = 1044038 314291 digits Feb 2013 Takeshi Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 1073038 323021 digits May 2013 Ossi Mauno; PSieve; srsieve; PrimeGrid; LLR
n = 1818906 547550 digits Jan 2024 Nicholas Mohacsy; PPSE; PrimeGrid
n = 1848254 556384 digits Jan 2024 Bob Calvin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7689
max n: 2.372.741
n = 2 5 digits
n = 5 6 digits
n = 9 7 digits
n = 14 9 digits
n = 35 15 digits
n = 63 23 digits
n = 69 25 digits
n = 74 27 digits
n = 77 28 digits
n = 90 31 digits
n = 99 34 digits
n = 186 60 digits
n = 197 64 digits
n = 230 74 digits
n = 594 183 digits
n = 825 253 digits
n = 1059 323 digits
n = 1293 394 digits
n = 2085 632 digits
n = 2897 876 digits
n = 2898 877 digits
n = 3807 1150 digits 1993 Jeffrey Young
n = 4698 1419 digits 1993 Jeffrey Young
n = 4769 1440 digits 1993 Jeffrey Young
n = 4941 1492 digits 1993 Jeffrey Young
n = 15366 4630 digits
n = 17199 5182 digits
n = 31589 9514 digits
n = 37626 11331 digits
n = 38249 11518 digits
n = 39554 11911 digits
n = 63990 19267 digits
n = 81783 24624 digits
n = 97410 29328 digits
n = 121473 36571 digits
n = 211182 63577 digits
n = 297162 89459 digits
n = 452133 136110 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 520269 156621 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 608514 183185 digits Jan 2011 Annette Virlogeux; PSieve; srsieve; PrimeGrid; LLR
n = 781926 235388 digits Mar 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 867897 261267 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 980505 295166 digits Sep 2012 Michael Herman; PSieve; srsieve; PrimeGrid; LLR
n = 1009643 303937 digits Oct 2012 John T Marshall; PSieve; srsieve; PrimeGrid; LLR
n = 1024946 308544 digits Oct 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1776519 534790 digits Nov 2023 Vaughan Davies; PPSE; PrimeGrid
k: 7691
max n: 2.373.403
n = 1 5 digits
n = 21 11 digits
n = 33 14 digits
n = 45 18 digits
n = 61 23 digits
n = 67 25 digits
n = 79 28 digits
n = 127 43 digits
n = 129 43 digits
n = 189 61 digits
n = 223 72 digits
n = 513 159 digits
n = 775 238 digits
n = 1123 342 digits
n = 2143 649 digits
n = 4473 1351 digits 1993 Jeffrey Young
n = 5533 1670 digits
n = 7093 2140 digits
n = 9601 2895 digits
n = 10605 3197 digits
n = 42229 12717 digits
n = 138625 41735 digits
n = 170229 51248 digits
n = 236973 71340 digits
n = 284745 85721 digits
n = 297829 89660 digits
n = 409525 123284 digits Sep 2012 Bart Kus; PPSE; PrimeGrid
k: 7693
max n: 2.372.859
n = 2 5 digits
n = 58 22 digits
n = 62 23 digits
n = 98 34 digits
n = 146 48 digits
n = 216 69 digits
n = 230 74 digits
n = 316 100 digits
n = 336 106 digits
n = 338 106 digits
n = 466 145 digits
n = 688 211 digits
n = 784 240 digits
n = 1030 314 digits
n = 1166 355 digits
n = 1264 385 digits
n = 1490 453 digits
n = 2200 667 digits
n = 2436 738 digits
n = 2488 753 digits
n = 5706 1722 digits
n = 8194 2471 digits May 1996 Patrick Demichel
n = 12784 3853 digits
n = 15376 4633 digits
n = 42658 12846 digits
n = 58790 17702 digits
n = 62988 18966 digits
n = 75130 22621 digits
n = 206734 62238 digits
n = 355910 107144 digits May 2012 David Yost; PPSE; PrimeGrid
n = 364528 109738 digits May 2012 PPSE; PrimeGrid
n = 567616 170874 digits Nov 2010 Del S. Brand; PSieve; srsieve; PrimeGrid; LLR
n = 573604 172676 digits Nov 2010 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 895048 269441 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 964370 290309 digits Aug 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1023438 308090 digits Oct 2012 Gerry Michaud; PSieve; srsieve; PrimeGrid; LLR
n = 1700992 512054 digits Jul 2022 Larry Soule; PPSE; PrimeGrid
n = 2092266 629839 digits Jan 2025 James Winskill; PPSE; PrimeGrid
n = 2097826 631513 digits Jan 2025 Thomas Schadt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7695
max n: 2.372.493
n = 1 5 digits
n = 2 5 digits
n = 3 5 digits
n = 4 6 digits
n = 5 6 digits
n = 8 7 digits
n = 9 7 digits
n = 14 9 digits
n = 20 10 digits
n = 29 13 digits
n = 40 16 digits
n = 42 17 digits
n = 43 17 digits
n = 52 20 digits
n = 61 23 digits
n = 64 24 digits
n = 93 32 digits
n = 98 34 digits
n = 137 46 digits
n = 151 50 digits
n = 158 52 digits
n = 297 94 digits
n = 393 123 digits
n = 401 125 digits
n = 525 162 digits
n = 613 189 digits
n = 631 194 digits
n = 702 216 digits
n = 728 224 digits
n = 765 235 digits
n = 770 236 digits
n = 1084 331 digits
n = 1628 494 digits
n = 2055 623 digits
n = 2201 667 digits
n = 2284 692 digits
n = 3010 910 digits
n = 3157 955 digits
n = 3224 975 digits
n = 3243 981 digits
n = 3388 1024 digits 1993 Jeffrey Young
n = 3487 1054 digits 1993 Jeffrey Young
n = 3623 1095 digits 1993 Jeffrey Young
n = 3890 1175 digits 1993 Jeffrey Young
n = 4720 1425 digits 1993 Jeffrey Young
n = 5617 1695 digits
n = 6400 1931 digits
n = 7515 2267 digits
n = 8322 2510 digits
n = 8420 2539 digits
n = 8439 2545 digits
n = 9124 2751 digits
n = 11518 3472 digits
n = 13478 4062 digits
n = 13742 4141 digits
n = 13762 4147 digits
n = 15471 4662 digits
n = 18658 5621 digits
n = 19890 5992 digits
n = 22228 6696 digits
n = 25520 7687 digits
n = 32841 9891 digits
n = 33687 10145 digits
n = 37787 11379 digits
n = 39113 11779 digits
n = 42010 12651 digits
n = 47362 14262 digits
n = 48923 14732 digits
n = 57988 17461 digits
n = 58501 17615 digits
n = 73847 22235 digits
n = 79672 23988 digits
n = 90441 27230 digits
n = 117415 35350 digits
n = 157732 47486 digits
n = 175773 52917 digits
n = 192140 57844 digits
n = 199640 60102 digits
n = 230978 69536 digits
n = 232180 69898 digits
n = 238869 71911 digits
n = 253918 76441 digits
n = 267211 80443 digits
n = 291980 87899 digits
n = 322725 97154 digits
n = 331493 99794 digits
n = 353814 106513 digits May 2012 PPSE; PrimeGrid
n = 412413 124153 digits Sep 2012 James Boerner; PPSE; PrimeGrid
n = 572351 172299 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 706363 212641 digits Sep 2011 Ralf Reich; PSieve; srsieve; PrimeGrid; LLR
n = 730403 219878 digits Feb 2012 David Medek; PSieve; srsieve; PrimeGrid; LLR
n = 879425 264738 digits May 2012 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 1018753 306680 digits Oct 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1052444 316822 digits May 2013 Justin Keenan; PSieve; srsieve; PrimeGrid; LLR
n = 1251827 376842 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1918182 577435 digits Feb 2024 Michael Millerick; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2030917 611371 digits Dec 2024 James Winskill; PPSE; PrimeGrid
n = 2121585 638665 digits Jan 2025 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2124812 639637 digits Jan 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7697
max n: 2.373.010
n = 11 8 digits
n = 131 44 digits
n = 143 47 digits
n = 355 111 digits
n = 451 140 digits
n = 607 187 digits
n = 627 193 digits
n = 671 206 digits
n = 783 240 digits
n = 1007 308 digits
n = 2011 610 digits
n = 2099 636 digits
n = 7643 2305 digits
n = 11555 3483 digits
n = 13051 3933 digits
n = 15147 4564 digits
n = 51827 15606 digits
n = 61851 18623 digits
n = 900311 271025 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1423519 428526 digits Oct 2016 Stephen Draycott; PSieve; srsieve; PrimeGrid; LLR
k: 7699
max n: 2.372.997
n = 22 11 digits
n = 58 22 digits
n = 23062 6947 digits
n = 82366 24799 digits
n = 367942 110766 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 845278 254458 digits Apr 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 7701
max n: 2.373.022
n = 3 5 digits
n = 4 6 digits
n = 7 6 digits
n = 27 13 digits
n = 29 13 digits
n = 44 18 digits
n = 56 21 digits
n = 68 25 digits
n = 107 37 digits
n = 111 38 digits
n = 112 38 digits
n = 147 49 digits
n = 156 51 digits
n = 168 55 digits
n = 203 65 digits
n = 401 125 digits
n = 473 147 digits
n = 497 154 digits
n = 547 169 digits
n = 583 180 digits
n = 1213 370 digits
n = 2896 876 digits
n = 3643 1101 digits 1993 Jeffrey Young
n = 4340 1311 digits 1993 Jeffrey Young
n = 6960 2100 digits
n = 7380 2226 digits May 1996 Patrick Demichel
n = 8252 2488 digits
n = 10571 3187 digits
n = 12951 3903 digits
n = 15577 4694 digits
n = 18413 5547 digits
n = 24807 7472 digits
n = 24964 7519 digits
n = 31121 9373 digits
n = 32236 9708 digits
n = 32699 9848 digits
n = 35828 10790 digits
n = 36359 10950 digits
n = 87248 26269 digits
n = 90812 27342 digits
n = 92732 27920 digits
n = 95189 28659 digits
n = 172087 51808 digits
n = 270899 81553 digits
n = 473987 142689 digits Oct 2009 Holger Czirpka; srsieve; PrimeGrid; LLR
n = 480728 144718 digits Nov 2009 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 507167 152677 digits May 2010 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 562731 169403 digits Oct 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 637457 191898 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 899439 270763 digits Jun 2012 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 1010864 304305 digits Oct 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1291396 388753 digits Sep 2014 Stefan Wakolbinger; PSieve; srsieve; PrimeGrid; LLR
n = 1320269 397445 digits Mar 2015 Robert Lacroix; PSieve; srsieve; PrimeGrid; LLR
n = 1469744 442441 digits Feb 2018 Alan Kong; PSieve; srsieve; PrimeGrid; LLR
n = 1655612 498393 digits Jan 2022 Jelle Slaets; PSieve; srsieve; PrimeGrid; LLR
k: 7703
max n: 2.373.188
n = 5 6 digits
n = 9 7 digits
n = 29 13 digits
n = 525 162 digits
n = 689 212 digits
n = 1985 602 digits
n = 2129 645 digits
n = 4349 1314 digits 1993 Jeffrey Young
n = 35849 10796 digits
n = 68025 20482 digits
n = 3341625 1005934 digits Dec 2020 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7705
max n: 2.372.909
n = 6 6 digits
n = 12 8 digits
n = 16 9 digits
n = 52 20 digits
n = 160 53 digits
n = 196 63 digits
n = 600 185 digits
n = 1080 329 digits
n = 1372 417 digits
n = 1764 535 digits
n = 2308 699 digits
n = 2472 749 digits
n = 15462 4659 digits
n = 15952 4806 digits
n = 25590 7708 digits
n = 47472 14295 digits
n = 53196 16018 digits
n = 66726 20091 digits
n = 141016 42454 digits
n = 363720 109495 digits May 2012 PPSE; PrimeGrid
n = 752092 226407 digits Feb 2012 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 1807134 544006 digits Jan 2024 John Hall; PPSE; PrimeGrid
n = 1924216 579251 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2320164 698443 digits Nov 2025 PPSE; PrimeGrid
k: 7707
max n: 2.372.306
n = 2 5 digits
n = 3 5 digits
n = 6 6 digits
n = 7 6 digits
n = 10 7 digits
n = 15 9 digits
n = 26 12 digits
n = 27 13 digits
n = 34 15 digits
n = 36 15 digits
n = 50 19 digits
n = 82 29 digits
n = 87 31 digits
n = 99 34 digits
n = 106 36 digits
n = 111 38 digits
n = 214 69 digits
n = 242 77 digits
n = 304 96 digits
n = 307 97 digits
n = 314 99 digits
n = 316 100 digits
n = 375 117 digits
n = 452 140 digits
n = 734 225 digits
n = 1510 459 digits
n = 2391 724 digits
n = 2794 845 digits
n = 9291 2801 digits
n = 18771 5655 digits
n = 28036 8444 digits
n = 29235 8805 digits
n = 31804 9578 digits
n = 38275 11526 digits
n = 47943 14437 digits
n = 48536 14615 digits
n = 50474 15199 digits
n = 50504 15208 digits
n = 52527 15817 digits
n = 56671 17064 digits
n = 74142 22323 digits
n = 81987 24685 digits
n = 82510 24842 digits
n = 93102 28031 digits
n = 127063 38254 digits
n = 130850 39394 digits
n = 181996 54791 digits
n = 328850 98998 digits
n = 330952 99631 digits
n = 524250 157819 digits Jul 2010 Andrew Gockel; PSieve; srsieve; PrimeGrid; LLR
n = 528051 158964 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 566103 170418 digits Oct 2010 Iram Alves dos Santos Filho; PSieve; srsieve; PrimeGrid; LLR
n = 579356 174408 digits Nov 2010 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 631443 190088 digits Feb 2011 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 705854 212488 digits Sep 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 754614 227166 digits Feb 2012 Maarten de Jong; PSieve; srsieve; PrimeGrid; LLR
n = 1349227 406162 digits Aug 2015 Peter Szucs; PSieve; srsieve; PrimeGrid; LLR
n = 2058463 619663 digits Jan 2025 LeRoy Blanchard; PPSE; PrimeGrid
k: 7709
max n: 2.372.526
n = 3 5 digits
n = 5 6 digits
n = 13 8 digits
n = 21 11 digits
n = 27 13 digits
n = 37 16 digits
n = 55 21 digits
n = 83 29 digits
n = 127 43 digits
n = 131 44 digits
n = 147 49 digits
n = 541 167 digits
n = 631 194 digits
n = 2951 893 digits
n = 3003 908 digits
n = 3187 964 digits
n = 3523 1065 digits 1993 Jeffrey Young
n = 7275 2194 digits
n = 9515 2869 digits
n = 9851 2970 digits
n = 11557 3483 digits
n = 13655 4115 digits
n = 16765 5051 digits Oct 1997 James Carpenter; Proth
n = 21767 6557 digits
n = 26557 7999 digits
n = 39795 11984 digits
n = 58733 17685 digits
n = 68197 20534 digits
n = 141885 42716 digits
n = 245335 73858 digits
n = 279243 84065 digits
n = 321837 96887 digits
n = 863263 259872 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1589355 478448 digits Sep 2020 Glenn Hall; PSieve; srsieve; PrimeGrid; LLR
n = 1724213 519044 digits Dec 2022 Kevin Wyn; PPSE; PrimeGrid
n = 1830877 551153 digits Jan 2024 Ricky L Hubbard; PPSE; PrimeGrid
n = 2250111 677355 digits Mar 2025 Joerg Steinmetz; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7711
max n: 2.373.007
n = 4 6 digits
n = 16 9 digits
n = 60 22 digits
n = 68 25 digits
n = 128 43 digits
n = 236 75 digits
n = 448 139 digits
n = 724 222 digits
n = 1108 338 digits
n = 1456 443 digits
n = 2476 750 digits
n = 3076 930 digits
n = 6436 1942 digits
n = 7184 2167 digits
n = 62284 18754 digits
n = 124960 37621 digits
n = 130348 39243 digits
n = 398128 119853 digits Jul 2012 Frank Matillek; PPSE; PrimeGrid
k: 7713
max n: 2.372.896
n = 1 5 digits
n = 2 5 digits
n = 5 6 digits
n = 13 8 digits
n = 22 11 digits
n = 146 48 digits
n = 181 59 digits
n = 182 59 digits
n = 326 103 digits
n = 850 260 digits
n = 1390 423 digits
n = 1520 462 digits
n = 2650 802 digits
n = 2849 862 digits
n = 2861 866 digits
n = 3146 951 digits
n = 3596 1087 digits 1993 Jeffrey Young
n = 3656 1105 digits 1993 Jeffrey Young
n = 7357 2219 digits May 1996 Patrick Demichel
n = 13342 4021 digits
n = 14192 4277 digits
n = 18365 5533 digits
n = 22976 6921 digits
n = 23270 7009 digits
n = 23701 7139 digits
n = 27389 8249 digits
n = 29077 8757 digits
n = 30338 9137 digits
n = 50845 15310 digits
n = 60806 18309 digits
n = 63608 19152 digits
n = 230312 69335 digits
n = 239482 72096 digits
n = 336289 101237 digits Apr 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 460973 138771 digits Jul 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 779477 234650 digits Feb 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 810173 243891 digits Mar 2012 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 931496 280413 digits Jul 2012 Dylan Kenney; PSieve; srsieve; PrimeGrid; LLR
n = 1480016 445534 digits Feb 2018 Ed Dugger; PSieve; srsieve; PrimeGrid; LLR
k: 7715
max n: 2.372.998
n = 35 15 digits
n = 57 22 digits
n = 69 25 digits
n = 77 28 digits
n = 95 33 digits
n = 195 63 digits
n = 231 74 digits
n = 305 96 digits
n = 1301 396 digits
n = 1517 461 digits
n = 2075 629 digits
n = 2307 699 digits
n = 4751 1435 digits 1993 Jeffrey Young
n = 6811 2055 digits
n = 10727 3234 digits
n = 11361 3424 digits
n = 33011 9942 digits
n = 35735 10762 digits
n = 64929 19550 digits
n = 88599 26675 digits
n = 94191 28359 digits
n = 330071 99366 digits
n = 471687 141996 digits Oct 2009 Jeff Webster; srsieve; PrimeGrid; LLR
n = 514491 154882 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 696389 209638 digits Sep 2011 Ulrich Pethe; PSieve; srsieve; PrimeGrid; LLR
n = 731265 220137 digits Feb 2012 Kazuhiro Orita; PSieve; srsieve; PrimeGrid; LLR
n = 1965047 591542 digits Jun 2024 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7717
max n: 2.372.867
n = 2 5 digits
n = 18 10 digits
n = 20 10 digits
n = 92 32 digits
n = 108 37 digits
n = 132 44 digits
n = 210 68 digits
n = 530 164 digits
n = 1698 516 digits
n = 4998 1509 digits 1993 Jeffrey Young
n = 14642 4412 digits Feb 1998 Baptiste Heyman; Proth
n = 646742 194693 digits Feb 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 727922 219131 digits Feb 2012 Henrik Kleemann; PSieve; srsieve; PrimeGrid; LLR
n = 1410948 424742 digits Jun 2016 Lars Fricke; PSieve; srsieve; PrimeGrid; LLR
n = 1930692 581201 digits Mar 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7719
max n: 2.372.832
n = 1 5 digits
n = 7 6 digits
n = 18 10 digits
n = 19 10 digits
n = 25 12 digits
n = 30 13 digits
n = 33 14 digits
n = 34 15 digits
n = 49 19 digits
n = 70 25 digits
n = 175 57 digits
n = 235 75 digits
n = 277 88 digits
n = 337 106 digits
n = 657 202 digits
n = 906 277 digits
n = 978 299 digits
n = 1726 524 digits
n = 2439 739 digits
n = 2803 848 digits
n = 3753 1134 digits 1993 Jeffrey Young
n = 5299 1600 digits
n = 7227 2180 digits
n = 7281 2196 digits
n = 9030 2723 digits
n = 9733 2934 digits
n = 11277 3399 digits May 1996 Patrick Demichel
n = 24277 7312 digits
n = 31137 9378 digits
n = 32557 9805 digits
n = 45763 13780 digits
n = 93183 28055 digits
n = 130921 39416 digits
n = 148951 44843 digits
n = 333367 100358 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 335325 100947 digits Apr 2012 Gary Craig; PPSE; PrimeGrid
n = 429427 129275 digits Dec 2012 Michael Millerick; PPSE; PrimeGrid
n = 469999 141488 digits Oct 2009 Robert Scullin; srsieve; PrimeGrid; LLR
n = 1330866 400635 digits May 2015 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 1572714 473438 digits Feb 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1953301 588007 digits Apr 2024 Jan Kožíšek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7721
max n: 2.372.552
n = 1 5 digits
n = 5 6 digits
n = 11 8 digits
n = 15 9 digits
n = 17 10 digits
n = 23 11 digits
n = 53 20 digits
n = 63 23 digits
n = 69 25 digits
n = 73 26 digits
n = 81 29 digits
n = 97 34 digits
n = 103 35 digits
n = 133 44 digits
n = 153 50 digits
n = 155 51 digits
n = 167 55 digits
n = 197 64 digits
n = 207 67 digits
n = 235 75 digits
n = 333 105 digits
n = 373 117 digits
n = 375 117 digits
n = 511 158 digits
n = 551 170 digits
n = 567 175 digits
n = 573 177 digits
n = 625 193 digits
n = 781 239 digits
n = 1165 355 digits
n = 1325 403 digits
n = 1333 406 digits
n = 2023 613 digits
n = 2387 723 digits
n = 2533 767 digits
n = 2663 806 digits
n = 3473 1050 digits 1993 Jeffrey Young
n = 3685 1114 digits 1993 Jeffrey Young
n = 3969 1199 digits 1993 Jeffrey Young
n = 4091 1236 digits 1993 Jeffrey Young
n = 4655 1406 digits 1993 Jeffrey Young
n = 4795 1448 digits 1993 Jeffrey Young
n = 6889 2078 digits
n = 8425 2541 digits
n = 8975 2706 digits
n = 9001 2714 digits
n = 9827 2963 digits
n = 10869 3276 digits
n = 11189 3373 digits
n = 12169 3668 digits
n = 12787 3854 digits
n = 13981 4213 digits
n = 18649 5618 digits
n = 31655 9533 digits
n = 38723 11661 digits
n = 47195 14211 digits
n = 69831 21026 digits
n = 72545 21843 digits
n = 79985 24082 digits
n = 83707 25203 digits
n = 103547 31175 digits
n = 108803 32757 digits
n = 218279 65713 digits
n = 393043 118322 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 415505 125084 digits Oct 2012 PPSE; PrimeGrid
n = 833339 250864 digits Apr 2012 Dave Sunderland; PSieve; srsieve; PrimeGrid; LLR
n = 880363 265020 digits May 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 881461 265351 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 901471 271374 digits Jun 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 962393 289714 digits Aug 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 990321 298121 digits Sep 2012 Rob Derrera; PSieve; srsieve; PrimeGrid; LLR
n = 1086727 327142 digits May 2013 Andreas Papendick; PSieve; srsieve; PrimeGrid; LLR
n = 1395983 420237 digits Feb 2016 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1446071 435315 digits Apr 2017 Marco Papini; PSieve; srsieve; PrimeGrid; LLR
n = 1515337 456166 digits Feb 2019 Josef Schlereth; PSieve; srsieve; PrimeGrid; LLR
n = 2168243 652711 digits Feb 2025 Hanke Penning; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7723
max n: 2.372.937
n = 2 5 digits
n = 8 7 digits
n = 10 7 digits
n = 14 9 digits
n = 24 12 digits
n = 38 16 digits
n = 58 22 digits
n = 164 54 digits
n = 308 97 digits
n = 380 119 digits
n = 442 137 digits
n = 778 239 digits
n = 1666 506 digits
n = 1922 583 digits
n = 3764 1137 digits 1993 Jeffrey Young
n = 4478 1352 digits 1993 Jeffrey Young
n = 5024 1517 digits
n = 5882 1775 digits
n = 11534 3476 digits
n = 11714 3531 digits
n = 13006 3920 digits
n = 17212 5186 digits
n = 20090 6052 digits
n = 53714 16174 digits Feb 2000 Chris Caldwell; Proth
n = 63158 19017 digits
n = 69244 20849 digits
n = 80212 24151 digits
n = 97474 29347 digits
n = 124452 37468 digits
n = 203602 61295 digits
n = 230172 69293 digits
n = 348770 104995 digits Apr 2012 Brian Carpenter; PPSE; PrimeGrid
n = 445832 134213 digits Jan 2013 Philipp Bliedung; PPSE; PrimeGrid
n = 540864 162821 digits Aug 2010 Antonia Domm; Dave Domm; PSieve; srsieve; PrimeGrid; LLR
n = 586510 176561 digits Dec 2010 Robert W. Culbertson; PSieve; srsieve; PrimeGrid; LLR
n = 742852 223625 digits Feb 2012 Michel Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 938632 282561 digits Jul 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 984922 296495 digits Sep 2012 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1039380 312889 digits Jan 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1042750 313903 digits Jan 2013 Aaron Everett; PSieve; srsieve; PrimeGrid; LLR
n = 1198934 360919 digits Nov 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1259100 379031 digits Apr 2014 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1847828 556256 digits Jan 2024 Michael Millerick; PPSE; PrimeGrid
n = 3471074 1044902 digits May 2023 Charles Jackson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7725
max n: 2.371.499
n = 1 5 digits
n = 4 6 digits
n = 5 6 digits
n = 8 7 digits
n = 12 8 digits
n = 13 8 digits
n = 19 10 digits
n = 24 12 digits
n = 29 13 digits
n = 35 15 digits
n = 41 17 digits
n = 54 21 digits
n = 59 22 digits
n = 61 23 digits
n = 66 24 digits
n = 78 28 digits
n = 111 38 digits
n = 154 51 digits
n = 165 54 digits
n = 180 59 digits
n = 188 61 digits
n = 189 61 digits
n = 210 68 digits
n = 239 76 digits
n = 251 80 digits
n = 310 98 digits
n = 423 132 digits
n = 449 140 digits
n = 484 150 digits
n = 511 158 digits
n = 525 162 digits
n = 550 170 digits
n = 582 180 digits
n = 603 186 digits
n = 656 202 digits
n = 690 212 digits
n = 765 235 digits
n = 811 249 digits
n = 821 252 digits
n = 876 268 digits
n = 923 282 digits
n = 1096 334 digits
n = 1282 390 digits
n = 1331 405 digits
n = 1410 429 digits
n = 1481 450 digits
n = 1528 464 digits
n = 1704 517 digits
n = 1913 580 digits
n = 2053 622 digits
n = 2188 663 digits
n = 2634 797 digits
n = 2903 878 digits
n = 2904 879 digits
n = 4296 1298 digits 1993 Jeffrey Young
n = 7123 2149 digits
n = 7321 2208 digits May 1996 Patrick Demichel
n = 9214 2778 digits
n = 11603 3497 digits
n = 18534 5584 digits
n = 18841 5676 digits
n = 26692 8039 digits
n = 27359 8240 digits
n = 31495 9485 digits
n = 37561 11311 digits
n = 47019 14159 digits
n = 56300 16952 digits
n = 63091 18997 digits
n = 69019 20781 digits
n = 89502 26947 digits
n = 95299 28692 digits
n = 98576 29679 digits
n = 110576 33291 digits
n = 138408 41669 digits
n = 138491 41694 digits
n = 144745 43577 digits
n = 151039 45472 digits
n = 168961 50867 digits
n = 169602 51060 digits
n = 195761 58934 digits
n = 203419 61240 digits
n = 231816 69788 digits
n = 257664 77569 digits
n = 290982 87599 digits
n = 291333 87704 digits
n = 312670 94127 digits
n = 478628 144086 digits Nov 2009 Michael Frith; srsieve; PrimeGrid; LLR
n = 514549 154899 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 544383 163880 digits Aug 2010 Sergey Lovov; PSieve; srsieve; PrimeGrid; LLR
n = 599895 180591 digits Jan 2011 Annette Virlogeux; PSieve; srsieve; PrimeGrid; LLR
n = 737123 221901 digits Feb 2012 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 745091 224299 digits Feb 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 822366 247561 digits Apr 2012 Tapio Laitinen; PSieve; srsieve; PrimeGrid; LLR
n = 1431304 430870 digits Jan 2017 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1454350 437807 digits Aug 2017 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1532720 461399 digits Mar 2019 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 1846555 555873 digits Jan 2024 Kai Presler; PPSE; PrimeGrid
n = 2007936 604453 digits Oct 2024 Dawid Kwiatkowski; PPSE; PrimeGrid
n = 2180475 656393 digits Feb 2025 Vladislav Ketamino; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3335213 1004004 digits Jun 2020 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3341708 1005959 digits Dec 2020 Ben Ridgway; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7727
max n: 2.372.994
n = 19 10 digits
n = 35 15 digits
n = 167 55 digits
n = 1003 306 digits
n = 1339 407 digits
n = 3539 1070 digits 1993 Jeffrey Young
n = 5179 1563 digits
n = 9799 2954 digits
n = 15947 4805 digits
n = 27827 8381 digits
n = 31607 9519 digits
n = 49495 14904 digits
n = 131335 39540 digits
k: 7729
max n: 2.373.345
n = 10 7 digits
n = 14 9 digits
n = 26 12 digits
n = 46 18 digits
n = 54 21 digits
n = 62 23 digits
n = 134 45 digits
n = 1070 326 digits
n = 1562 475 digits
n = 2166 656 digits
n = 4870 1470 digits 1993 Jeffrey Young
n = 6234 1881 digits
n = 8614 2597 digits May 1996 Patrick Demichel
n = 60210 18129 digits
n = 69930 21055 digits
n = 70614 21261 digits
n = 543970 163756 digits Sep 2010 Keith Pattenden; PSieve; srsieve; PrimeGrid; LLR
n = 723626 217838 digits Nov 2011 Thomas Melzer; PSieve; srsieve; PrimeGrid; LLR
n = 822662 247650 digits Apr 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 1077522 324371 digits May 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 7731
max n: 2.372.710
n = 5 6 digits
n = 11 8 digits
n = 15 9 digits
n = 20 10 digits
n = 27 13 digits
n = 48 19 digits
n = 63 23 digits
n = 68 25 digits
n = 81 29 digits
n = 135 45 digits
n = 156 51 digits
n = 293 93 digits
n = 473 147 digits
n = 515 159 digits
n = 597 184 digits
n = 876 268 digits
n = 1388 422 digits
n = 1908 579 digits
n = 3197 967 digits
n = 22476 6770 digits
n = 28265 8513 digits
n = 30195 9094 digits
n = 32520 9794 digits
n = 39603 11926 digits
n = 40263 12125 digits
n = 45821 13798 digits
n = 49053 14771 digits
n = 51975 15650 digits
n = 63632 19160 digits
n = 75012 22585 digits
n = 78972 23777 digits
n = 96096 28932 digits
n = 271307 81676 digits
n = 380127 114434 digits Feb 2009 Vasileios Modes; srsieve; PrimeGrid; LLR
n = 397920 119790 digits Jul 2012 Bruce Dodson; PPSE; PrimeGrid
n = 1042508 313831 digits Jan 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1679540 505596 digits Mar 2022 Bruce E. Slade; PPSE; PrimeGrid
n = 1980081 596068 digits Jul 2024 Chad Steenerson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1984511 597402 digits Jul 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7733
max n: 2.373.357
n = 1 5 digits
n = 9 7 digits
n = 45 18 digits
n = 3777 1141 digits 1993 Jeffrey Young
n = 10969 3306 digits
n = 29121 8771 digits
n = 33541 10101 digits
n = 210717 63437 digits
n = 2022745 608911 digits Dec 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 2304565 693748 digits Aug 2025 Hugh Myers; PPSE; PrimeGrid
k: 7735
max n: 2.372.711
n = 2 5 digits
n = 6 6 digits
n = 10 7 digits
n = 42 17 digits
n = 46 18 digits
n = 48 19 digits
n = 50 19 digits
n = 60 22 digits
n = 102 35 digits
n = 108 37 digits
n = 148 49 digits
n = 298 94 digits
n = 496 154 digits
n = 518 160 digits
n = 716 220 digits
n = 1156 352 digits
n = 1158 353 digits
n = 1260 384 digits
n = 2160 655 digits
n = 2786 843 digits
n = 3686 1114 digits 1993 Jeffrey Young
n = 5286 1596 digits
n = 6480 1955 digits
n = 8980 2708 digits
n = 11532 3476 digits
n = 12296 3706 digits
n = 14378 4333 digits
n = 66258 19950 digits
n = 66880 20137 digits
n = 68370 20586 digits
n = 159330 47967 digits
n = 215480 64870 digits
n = 229978 69235 digits
n = 302896 91185 digits
n = 503656 151620 digits Mar 2010 Volker Milbrandt; PSieve; srsieve; PrimeGrid; LLR
n = 1029658 309962 digits Oct 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2147842 646569 digits Jan 2025 Sascha Beat Dinkel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7737
max n: 2.371.681
n = 2 5 digits
n = 8 7 digits
n = 10 7 digits
n = 15 9 digits
n = 32 14 digits
n = 38 16 digits
n = 42 17 digits
n = 44 18 digits
n = 96 33 digits
n = 112 38 digits
n = 119 40 digits
n = 166 54 digits
n = 184 60 digits
n = 276 87 digits
n = 298 94 digits
n = 480 149 digits
n = 535 165 digits
n = 600 185 digits
n = 614 189 digits
n = 802 246 digits
n = 1000 305 digits
n = 1020 311 digits
n = 1068 326 digits
n = 1466 446 digits
n = 3950 1193 digits 1993 Jeffrey Young
n = 4438 1340 digits 1993 Jeffrey Young
n = 5016 1514 digits
n = 5134 1550 digits
n = 5516 1665 digits
n = 8090 2440 digits
n = 10880 3280 digits
n = 15046 4534 digits Nov 1997 Henri Lifchitz; Proth
n = 16062 4840 digits
n = 16078 4844 digits
n = 17776 5355 digits
n = 27834 8383 digits
n = 31274 9419 digits
n = 31740 9559 digits
n = 44186 13306 digits
n = 68951 20761 digits
n = 136140 40987 digits
n = 169880 51143 digits
n = 322744 97160 digits
n = 890518 268077 digits Jun 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1196900 360307 digits Nov 2013 Yegor Ryabchikov; PSieve; srsieve; PrimeGrid; LLR
n = 1387726 417752 digits Feb 2016 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1471208 442882 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 1472568 443292 digits Feb 2018 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 1636194 492548 digits Mar 2021 Hans Joachim Böhm; PSieve; srsieve; PrimeGrid; LLR
n = 3437192 1034702 digits Nov 2022 Matt Smith; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7739
max n: 2.372.958
n = 5 6 digits
n = 7 6 digits
n = 17 10 digits
n = 33 14 digits
n = 35 15 digits
n = 37 16 digits
n = 47 19 digits
n = 79 28 digits
n = 87 31 digits
n = 127 43 digits
n = 209 67 digits
n = 259 82 digits
n = 653 201 digits
n = 719 221 digits
n = 919 281 digits
n = 2775 840 digits
n = 2991 905 digits
n = 3171 959 digits
n = 3645 1102 digits 1993 Jeffrey Young
n = 4749 1434 digits 1993 Jeffrey Young
n = 5101 1540 digits
n = 10727 3234 digits
n = 13511 4072 digits
n = 13653 4114 digits
n = 19861 5983 digits
n = 31785 9573 digits
n = 35841 10794 digits
n = 49265 14835 digits
n = 50219 15122 digits
n = 68565 20645 digits
n = 68609 20658 digits
n = 89999 27097 digits
n = 92197 27758 digits
n = 95641 28795 digits
n = 104231 31381 digits
n = 152243 45834 digits
n = 154365 46473 digits
n = 192059 57820 digits
n = 771785 232335 digits Feb 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 799073 240549 digits Mar 2012 Lukas Hron; PSieve; srsieve; PrimeGrid; LLR
n = 875149 263450 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 953647 287081 digits Jul 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1329427 400202 digits Mar 2015 Javi Jarne; PSieve; srsieve; PrimeGrid; LLR
n = 2346699 706431 digits Mar 2026 Attila Egri-Nagy; PPSE; PrimeGrid
k: 7741
max n: 2.373.416
n = 28 13 digits
n = 44 18 digits
n = 64 24 digits
n = 100 34 digits
n = 1576 479 digits
n = 13180 3972 digits
n = 20224 6092 digits
n = 67984 20470 digits
n = 99628 29995 digits
n = 147524 44414 digits
n = 380584 114572 digits Feb 2009 Vasileios Modes; srsieve; PrimeGrid; LLR
n = 940108 283005 digits Jul 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1131884 340735 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 7743
max n: 2.372.756
n = 29 13 digits
n = 38 16 digits
n = 53 20 digits
n = 84 30 digits
n = 104 36 digits
n = 109 37 digits
n = 149 49 digits
n = 176 57 digits
n = 398 124 digits
n = 464 144 digits
n = 524 162 digits
n = 1164 355 digits
n = 1224 373 digits
n = 1694 514 digits
n = 1805 548 digits
n = 1973 598 digits
n = 2052 622 digits
n = 2789 844 digits
n = 2928 886 digits
n = 5202 1570 digits
n = 6416 1936 digits
n = 12884 3883 digits
n = 25202 7591 digits
n = 33776 10172 digits
n = 40148 12090 digits
n = 92688 27906 digits
n = 140966 42439 digits
n = 203381 61228 digits
n = 488028 146915 digits Feb 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 544436 163896 digits Aug 2010 Michael Herman; PSieve; srsieve; PrimeGrid; LLR
n = 747573 225046 digits Feb 2012 Tom Pepper; PSieve; srsieve; PrimeGrid; LLR
n = 1818413 547401 digits Jan 2024 PPSE; PrimeGrid
n = 2146557 646182 digits Jan 2025 Greg McDevitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3442814 1036395 digits Jan 2023 Bill Cavnaugh; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7745
max n: 2.373.249
n = 3 5 digits
n = 9 7 digits
n = 11 8 digits
n = 143 47 digits
n = 353 111 digits
n = 1961 595 digits
n = 2861 866 digits
n = 2907 879 digits
n = 3209 970 digits
n = 4691 1417 digits 1993 Jeffrey Young
n = 9159 2762 digits
n = 12149 3662 digits
n = 14961 4508 digits
n = 26267 7912 digits
n = 26901 8102 digits
n = 27989 8430 digits
n = 32267 9718 digits
n = 36471 10983 digits
n = 66347 19977 digits
n = 72557 21846 digits
n = 95859 28861 digits
n = 131777 39673 digits
n = 289383 87117 digits
n = 351101 105696 digits Apr 2012 Bob Hurd; PPSE; PrimeGrid
n = 447857 134823 digits Jan 2013 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 833837 251014 digits Apr 2012 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 1174761 353643 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1378589 415001 digits Feb 2016 Ken Ito; PSieve; srsieve; PrimeGrid; LLR
n = 1427909 429848 digits Dec 2016 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
k: 7747
max n: 2.372.547
n = 4 6 digits
n = 70 25 digits
n = 136 45 digits
n = 430 134 digits
n = 2134 647 digits
n = 2764 836 digits
n = 3066 927 digits
n = 3394 1026 digits 1993 Jeffrey Young
n = 5866 1770 digits
n = 29578 8908 digits
n = 64410 19394 digits
n = 80356 24194 digits
n = 116428 35053 digits
n = 197286 59393 digits
n = 203262 61192 digits
n = 293560 88375 digits
n = 334834 100799 digits Apr 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 454708 136885 digits May 2009 Sascha Beat Dinkel; srsieve; PrimeGrid; LLR
n = 1795842 540607 digits Jan 2024 Brian Parsonnet; PPSE; PrimeGrid
n = 2055642 618814 digits Jan 2025 Mark Williams; PPSE; PrimeGrid
k: 7749
max n: 2.372.972
n = 7 6 digits
n = 9 7 digits
n = 46 18 digits
n = 53 20 digits
n = 58 22 digits
n = 67 25 digits
n = 73 26 digits
n = 117 40 digits
n = 179 58 digits
n = 287 91 digits
n = 529 164 digits
n = 622 192 digits
n = 982 300 digits
n = 1623 493 digits
n = 2343 710 digits
n = 3883 1173 digits 1993 Jeffrey Young
n = 5033 1519 digits
n = 5373 1622 digits
n = 11499 3466 digits
n = 39413 11869 digits
n = 54243 16333 digits
n = 75818 22828 digits
n = 83959 25279 digits
n = 121598 36609 digits
n = 156979 47260 digits
n = 504026 151731 digits May 2010 Adam Ferralli; PSieve; srsieve; PrimeGrid; LLR
n = 648682 195277 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 786778 236848 digits Mar 2012 Andrew Orr; PSieve; srsieve; PrimeGrid; LLR
n = 921957 277541 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1505087 453081 digits Nov 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2059279 619909 digits Jan 2025 Shaun O' PPSE; PrimeGrid
n = 2260277 680416 digits Mar 2025 Yifei Gao; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7751
max n: 2.372.830
n = 5 6 digits
n = 7 6 digits
n = 15 9 digits
n = 41 17 digits
n = 53 20 digits
n = 55 21 digits
n = 57 22 digits
n = 75 27 digits
n = 81 29 digits
n = 97 34 digits
n = 211 68 digits
n = 237 76 digits
n = 1515 460 digits
n = 1547 470 digits
n = 1659 504 digits
n = 1817 551 digits
n = 1883 571 digits
n = 2097 636 digits
n = 3141 950 digits
n = 4017 1214 digits 1993 Jeffrey Young
n = 6425 1939 digits
n = 9005 2715 digits
n = 14743 4442 digits
n = 31725 9555 digits
n = 34537 10401 digits
n = 35845 10795 digits
n = 63631 19159 digits
n = 78463 23624 digits
n = 84591 25469 digits
n = 157517 47422 digits
n = 180127 54228 digits
n = 182787 55029 digits
n = 188823 56846 digits
n = 381459 114835 digits Mar 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 382193 115056 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 420125 126475 digits Oct 2012 Honza Cholt; PPSE; PrimeGrid
n = 604383 181942 digits Jan 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 625915 188424 digits Feb 2011 Lonnie Christensen; PSieve; srsieve; PrimeGrid; LLR
n = 693745 208842 digits Sep 2011 Nikolay Dovgiy; PSieve; srsieve; PrimeGrid; LLR
n = 816691 245853 digits Apr 2012 Harvey Patterson; PSieve; srsieve; PrimeGrid; LLR
n = 1280887 385590 digits Jun 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1359155 409151 digits Sep 2015 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 7753
max n: 2.372.271
n = 2 5 digits
n = 6 6 digits
n = 10 7 digits
n = 18 10 digits
n = 24 12 digits
n = 26 12 digits
n = 38 16 digits
n = 40 16 digits
n = 54 21 digits
n = 158 52 digits
n = 184 60 digits
n = 194 63 digits
n = 310 98 digits
n = 338 106 digits
n = 470 146 digits
n = 506 157 digits
n = 552 171 digits
n = 926 283 digits
n = 958 293 digits
n = 4098 1238 digits 1993 Jeffrey Young
n = 4506 1361 digits 1993 Jeffrey Young
n = 7558 2280 digits
n = 11178 3369 digits
n = 12016 3622 digits
n = 14286 4305 digits
n = 17830 5372 digits
n = 17874 5385 digits
n = 28270 8515 digits
n = 34510 10393 digits
n = 40490 12193 digits
n = 48362 14563 digits
n = 49494 14904 digits
n = 52226 15726 digits
n = 91834 27649 digits
n = 136216 41009 digits
n = 190934 57481 digits
n = 345090 103887 digits Apr 2012 Predrag Kurtovic; PPSE; PrimeGrid
n = 362064 108997 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 374434 112720 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 380776 114629 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 600114 180657 digits Jan 2011 Wes Cure; PSieve; srsieve; PrimeGrid; LLR
n = 630606 189836 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 882270 265594 digits May 2012 Ivica Kelava; PSieve; srsieve; PrimeGrid; LLR
n = 1081080 325442 digits May 2013 Eric Ueda; PSieve; srsieve; PrimeGrid; LLR
n = 1244902 374757 digits Feb 2014 Josef Matousek; PSieve; srsieve; PrimeGrid; LLR
n = 1383546 416493 digits Feb 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1423442 428503 digits Oct 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 7755
max n: 2.372.902
n = 1 5 digits
n = 5 6 digits
n = 10 7 digits
n = 13 8 digits
n = 17 10 digits
n = 20 10 digits
n = 40 16 digits
n = 47 19 digits
n = 58 22 digits
n = 61 23 digits
n = 65 24 digits
n = 70 25 digits
n = 82 29 digits
n = 112 38 digits
n = 118 40 digits
n = 154 51 digits
n = 160 53 digits
n = 193 62 digits
n = 254 81 digits
n = 260 83 digits
n = 301 95 digits
n = 304 96 digits
n = 329 103 digits
n = 361 113 digits
n = 409 128 digits
n = 476 148 digits
n = 653 201 digits
n = 1030 314 digits
n = 1034 316 digits
n = 1061 324 digits
n = 1082 330 digits
n = 1133 345 digits
n = 1174 358 digits
n = 1198 365 digits
n = 1297 395 digits
n = 1367 416 digits
n = 1469 447 digits
n = 2002 607 digits
n = 3514 1062 digits 1993 Jeffrey Young
n = 3980 1202 digits 1993 Jeffrey Young
n = 4768 1440 digits 1993 Jeffrey Young
n = 4972 1501 digits 1993 Jeffrey Young
n = 6508 1963 digits
n = 7025 2119 digits
n = 7280 2196 digits
n = 7967 2403 digits
n = 8014 2417 digits
n = 18287 5509 digits
n = 18628 5612 digits
n = 26230 7900 digits
n = 33788 10176 digits
n = 35377 10654 digits
n = 38891 11712 digits
n = 39730 11964 digits
n = 42830 12898 digits
n = 52019 15664 digits
n = 84772 25523 digits
n = 98680 29710 digits
n = 114371 34433 digits
n = 148669 44758 digits
n = 162083 48796 digits
n = 190748 57425 digits
n = 198922 59886 digits
n = 210179 63275 digits
n = 268913 80955 digits
n = 397942 119797 digits Jul 2012 Bruce Dodson; PPSE; PrimeGrid
n = 503651 151618 digits Apr 2010 David Rogers; PSieve; srsieve; PrimeGrid; LLR
n = 509338 153330 digits May 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 546695 164576 digits Sep 2010 Ossi Mauno; PSieve; srsieve; PrimeGrid; LLR
n = 593824 178763 digits Dec 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 819145 246592 digits Apr 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 959749 288918 digits Aug 2012 John T Marshall; PSieve; srsieve; PrimeGrid; LLR
n = 967652 291297 digits Aug 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1650242 496777 digits Dec 2021 ZinSig Kim; PSieve; srsieve; PrimeGrid; LLR
n = 1897112 571092 digits Feb 2024 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3403010 1024412 digits Feb 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7757
max n: 2.373.394
n = 3 5 digits
n = 23 11 digits
n = 39 16 digits
n = 55 21 digits
n = 179 58 digits
n = 203 65 digits
n = 391 122 digits
n = 439 137 digits
n = 703 216 digits
n = 811 249 digits
n = 1039 317 digits
n = 2839 859 digits
n = 4411 1332 digits 1993 Jeffrey Young
n = 29379 8848 digits
n = 39419 11871 digits
n = 42331 12747 digits
n = 42339 12750 digits
n = 80071 24108 digits
n = 176763 53215 digits
n = 387755 116730 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 616739 185661 digits Jan 2011 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 1381615 415912 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 7759
max n: 2.373.354
n = 18 10 digits
n = 50 19 digits
n = 110 38 digits
n = 270 86 digits
n = 578 178 digits
n = 638 196 digits
n = 18498 5573 digits
n = 112386 33836 digits
n = 225338 67838 digits
n = 248606 74842 digits
n = 1333026 401285 digits May 2015 Nicholas Mohacsy; PSieve; srsieve; PrimeGrid; LLR
k: 7761
max n: 2.372.840
n = 9 7 digits
n = 12 8 digits
n = 27 13 digits
n = 28 13 digits
n = 67 25 digits
n = 159 52 digits
n = 531 164 digits
n = 585 180 digits
n = 592 183 digits
n = 624 192 digits
n = 628 193 digits
n = 943 288 digits
n = 1035 316 digits
n = 1503 457 digits
n = 1612 490 digits
n = 1743 529 digits
n = 2824 854 digits
n = 2895 876 digits
n = 4984 1505 digits 1993 Jeffrey Young
n = 4995 1508 digits 1993 Jeffrey Young
n = 5091 1537 digits
n = 7648 2307 digits
n = 8460 2551 digits
n = 14004 4220 digits
n = 29368 8845 digits
n = 29724 8952 digits
n = 63129 19008 digits
n = 69120 20812 digits
n = 76243 22956 digits
n = 80355 24194 digits
n = 122464 36870 digits
n = 155857 46922 digits
n = 455083 136998 digits May 2009 Ben Rhodes; srsieve; PrimeGrid; LLR
n = 791931 238399 digits Mar 2012 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 986307 296912 digits Sep 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1231228 370641 digits Jan 2014 Bartlett Henderson; PSieve; srsieve; PrimeGrid; LLR
k: 7763
max n: 2.372.552
n = 1 5 digits
n = 9 7 digits
n = 13 8 digits
n = 25 12 digits
n = 57 22 digits
n = 117 40 digits
n = 229 73 digits
n = 433 135 digits
n = 781 239 digits
n = 1249 380 digits
n = 2097 636 digits
n = 15249 4595 digits
n = 22261 6706 digits
n = 22705 6839 digits
n = 30825 9284 digits
n = 55849 16817 digits
n = 95677 28806 digits
n = 109081 32841 digits
n = 174925 52662 digits
n = 253053 76181 digits
n = 253093 76193 digits
n = 362649 109173 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 1283497 386375 digits Jul 2014 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1304365 392657 digits Feb 2015 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 7765
max n: 2.373.191
n = 8 7 digits
n = 12 8 digits
n = 18 10 digits
n = 32 14 digits
n = 34 15 digits
n = 92 32 digits
n = 108 37 digits
n = 898 275 digits
n = 2874 870 digits
n = 3554 1074 digits 1993 Jeffrey Young
n = 5114 1544 digits
n = 7874 2375 digits
n = 8642 2606 digits
n = 12418 3743 digits
n = 21372 6438 digits
n = 26298 7921 digits
n = 27212 8196 digits
n = 50412 15180 digits
n = 132074 39763 digits
n = 271632 81774 digits
n = 299792 90251 digits
n = 399272 120197 digits Jul 2012 Bruce Dodson; PPSE; PrimeGrid
n = 440604 132639 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 1855778 558649 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7767
max n: 2.372.777
n = 2 5 digits
n = 3 5 digits
n = 8 7 digits
n = 11 8 digits
n = 26 12 digits
n = 28 13 digits
n = 43 17 digits
n = 203 65 digits
n = 210 68 digits
n = 299 94 digits
n = 302 95 digits
n = 352 110 digits
n = 770 236 digits
n = 1043 318 digits
n = 1163 354 digits
n = 2150 652 digits
n = 2380 721 digits
n = 2760 835 digits
n = 3722 1125 digits 1993 Jeffrey Young
n = 4302 1299 digits 1993 Jeffrey Young
n = 4716 1424 digits 1993 Jeffrey Young
n = 8640 2605 digits
n = 8683 2618 digits
n = 14952 4505 digits
n = 17522 5279 digits
n = 23906 7201 digits
n = 23963 7218 digits
n = 28970 8725 digits
n = 29051 8750 digits
n = 29402 8855 digits
n = 31331 9436 digits
n = 51738 15579 digits
n = 57190 17220 digits
n = 59278 17849 digits
n = 70548 21241 digits
n = 106976 32207 digits
n = 145920 43931 digits
n = 146707 44168 digits
n = 196740 59229 digits
n = 414562 124800 digits Oct 2012 PPSE; PrimeGrid
n = 451003 135770 digits May 2009 Mark Codding; srsieve; PrimeGrid; LLR
n = 560316 168676 digits Oct 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 683844 205862 digits Aug 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 723188 217706 digits Nov 2011 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 939902 282943 digits Jul 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1383412 416453 digits Feb 2016 Roman Trunov; PSieve; srsieve; PrimeGrid; LLR
n = 1769906 532799 digits Nov 2023 Vaughan Davies; PPSE; PrimeGrid
k: 7769
max n: 2.373.270
n = 5 6 digits
n = 13 8 digits
n = 29 13 digits
n = 83 29 digits
n = 133 44 digits
n = 349 109 digits
n = 595 184 digits
n = 1229 374 digits
n = 1645 500 digits
n = 1825 554 digits
n = 2131 646 digits
n = 3163 957 digits
n = 3863 1167 digits 1993 Jeffrey Young
n = 13703 4129 digits
n = 58471 17606 digits
n = 128405 38658 digits
n = 134233 40413 digits
n = 156139 47007 digits
n = 272089 81911 digits
n = 464035 139693 digits Jul 2009 Jochen Beck; srsieve; PrimeGrid; LLR
n = 941113 283308 digits Jul 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 7771
max n: 2.373.371
n = 4 6 digits
n = 60 22 digits
n = 136 45 digits
n = 880 269 digits
n = 4176 1261 digits 1993 Jeffrey Young
n = 6756 2038 digits Mar 1996 Patrick Demichel
n = 8656 2610 digits
n = 9648 2909 digits
n = 20812 6269 digits Apr 1998 Aaron Swihart; Proth
n = 107700 32425 digits
n = 119220 35893 digits
n = 150580 45333 digits
n = 419088 126162 digits Oct 2012 Ronny Willig; PPSE; PrimeGrid
n = 777292 233993 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1512552 455328 digits Feb 2019 Dao Heng Liu; PSieve; srsieve; PrimeGrid; LLR
n = 1788688 538453 digits Jan 2024 Franz-Xaver Harvanek; PPSE; PrimeGrid
k: 7773
max n: 2.373.079
n = 5 6 digits
n = 6 6 digits
n = 30 13 digits
n = 141 47 digits
n = 150 50 digits
n = 390 122 digits
n = 621 191 digits
n = 3921 1185 digits 1993 Jeffrey Young
n = 8534 2573 digits
n = 33389 10055 digits May 1998 Aaron Swihart; Proth
n = 85113 25626 digits
n = 113625 34209 digits
n = 199784 60145 digits
n = 246821 74305 digits
n = 249680 75166 digits
n = 921209 277316 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1077885 324480 digits May 2013 Frédéric Mahé; PSieve; srsieve; PrimeGrid; LLR
n = 1690454 508882 digits May 2022 Ryan Propper; PPSE; PrimeGrid
n = 2086233 628023 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7775
max n: 2.372.832
n = 1 5 digits
n = 3 5 digits
n = 27 13 digits
n = 33 14 digits
n = 63 23 digits
n = 117 40 digits
n = 225 72 digits
n = 337 106 digits
n = 783 240 digits
n = 9315 2808 digits
n = 14005 4220 digits
n = 17853 5379 digits Apr 1998 Aaron Swihart; Proth
n = 20323 6122 digits Apr 1998 Aaron Swihart; Proth
n = 27387 8249 digits May 1998 Aaron Swihart; Proth
n = 32697 9847 digits May 1998 Aaron Swihart; Proth
n = 46705 14064 digits
n = 49267 14835 digits
n = 54351 16366 digits
n = 61995 18667 digits
n = 165325 49772 digits
n = 366211 110245 digits May 2012 PPSE; PrimeGrid
n = 494221 148780 digits
n = 528745 159172 digits Jul 2010 Piotr Malara; PSieve; srsieve; PrimeGrid; LLR
n = 1695583 510426 digits May 2022 Mike Parker; PPSE; PrimeGrid
n = 2036643 613095 digits Dec 2024 Paul Randal; PPSE; PrimeGrid
k: 7777
max n: 2.372.639
n = 4 6 digits
n = 6 6 digits
n = 24 12 digits
n = 36 15 digits
n = 44 18 digits
n = 54 21 digits
n = 92 32 digits
n = 136 45 digits
n = 214 69 digits
n = 582 180 digits
n = 592 183 digits
n = 596 184 digits
n = 822 252 digits
n = 1170 357 digits
n = 4386 1325 digits 1993 Jeffrey Young
n = 4426 1337 digits 1993 Jeffrey Young
n = 7290 2199 digits
n = 13260 3996 digits
n = 13836 4169 digits
n = 26730 8051 digits
n = 29832 8985 digits May 1998 Aaron Swihart; Proth
n = 73400 22100 digits
n = 87984 26490 digits
n = 122820 36977 digits
n = 141664 42650 digits
n = 201164 60561 digits
n = 223506 67286 digits
n = 266600 80259 digits
n = 281156 84641 digits
n = 300392 90431 digits
n = 358162 107822 digits May 2012 PPSE; PrimeGrid
n = 382266 115078 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 384780 115835 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 593072 178537 digits Dec 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 638790 192299 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 907796 273278 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 968586 291578 digits Aug 2012 Thomas Melzer; PSieve; srsieve; PrimeGrid; LLR
n = 1342596 404166 digits Jun 2015 Bradley Skinner; PSieve; srsieve; PrimeGrid; LLR
n = 1513194 455521 digits Feb 2019 Jordan Romaidis; PSieve; srsieve; PrimeGrid; LLR
n = 2052786 617955 digits Jan 2025 Carl Moudy; PPSE; PrimeGrid
k: 7779
max n: 2.372.080
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 11 8 digits
n = 15 9 digits
n = 17 10 digits
n = 35 15 digits
n = 53 20 digits
n = 55 21 digits
n = 95 33 digits
n = 127 43 digits
n = 251 80 digits
n = 271 86 digits
n = 365 114 digits
n = 375 117 digits
n = 503 156 digits
n = 613 189 digits
n = 1870 567 digits
n = 2683 812 digits
n = 6098 1840 digits
n = 7531 2271 digits
n = 7981 2407 digits
n = 11675 3519 digits
n = 12410 3740 digits
n = 15923 4798 digits Apr 1998 Aaron Swihart; Proth
n = 17641 5315 digits Apr 1998 Aaron Swihart; Proth
n = 32066 9657 digits May 1998 Aaron Swihart; Proth
n = 32346 9742 digits May 1998 Aaron Swihart; Proth
n = 47843 14407 digits
n = 55121 16597 digits
n = 72485 21825 digits
n = 76607 23065 digits
n = 200690 60418 digits Nov 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 368031 110793 digits May 2012 PPSE; PrimeGrid
n = 465443 140117 digits Jun 2009 Daniel Marsh; LLR
n = 480481 144644 digits Nov 2009 Wolfgang Straubinger; PSieve; srsieve; PrimeGrid; LLR
n = 498627 150106 digits Apr 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 547443 164801 digits Sep 2010 Pascal Vandaele; PSieve; srsieve; PrimeGrid; LLR
n = 631733 190175 digits Feb 2011 Gary Craig; PSieve; srsieve; PrimeGrid; LLR
n = 1889567 568821 digits Feb 2024 Tyler Bredl; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2135135 642744 digits Jan 2025 Gregory Bennett; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7781
max n: 2.372.896
n = 9 7 digits
n = 11 8 digits
n = 59 22 digits
n = 99 34 digits
n = 121 41 digits
n = 131 44 digits
n = 309 97 digits
n = 347 109 digits
n = 387 121 digits
n = 509 158 digits
n = 599 185 digits
n = 6917 2087 digits
n = 9669 2915 digits
n = 15489 4667 digits
n = 23111 6961 digits
n = 28149 8478 digits
n = 36381 10956 digits
n = 39371 11856 digits
n = 162011 48775 digits
n = 166661 50174 digits
n = 203999 61414 digits
n = 552519 166329 digits Sep 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 717447 215977 digits Nov 2011 Choi Yooil; PSieve; srsieve; PrimeGrid; LLR
n = 818181 246301 digits Apr 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1908915 574645 digits Feb 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7783
max n: 2.373.392
n = 4 6 digits
n = 20 10 digits
n = 32 14 digits
n = 112 38 digits
n = 128 43 digits
n = 158 52 digits
n = 182 59 digits
n = 392 122 digits
n = 844 258 digits
n = 2452 743 digits
n = 11648 3511 digits
n = 46132 13892 digits
n = 177398 53407 digits
n = 853022 256790 digits May 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 1348300 405883 digits Jul 2015 Shaun Cox; PSieve; srsieve; PrimeGrid; LLR
k: 7785
max n: 2.372.798
n = 4 6 digits
n = 15 9 digits
n = 27 13 digits
n = 31 14 digits
n = 36 15 digits
n = 43 17 digits
n = 44 18 digits
n = 61 23 digits
n = 65 24 digits
n = 114 39 digits
n = 117 40 digits
n = 141 47 digits
n = 161 53 digits
n = 171 56 digits
n = 229 73 digits
n = 271 86 digits
n = 350 110 digits
n = 355 111 digits
n = 394 123 digits
n = 425 132 digits
n = 637 196 digits
n = 643 198 digits
n = 796 244 digits
n = 927 283 digits
n = 1170 357 digits
n = 1485 451 digits
n = 2070 628 digits
n = 2361 715 digits
n = 2541 769 digits
n = 4534 1369 digits 1993 Jeffrey Young
n = 5164 1559 digits
n = 5266 1590 digits
n = 8334 2513 digits
n = 9075 2736 digits
n = 9574 2886 digits
n = 9580 2888 digits
n = 11174 3368 digits
n = 12756 3844 digits
n = 18883 5689 digits
n = 21570 6498 digits
n = 21699 6536 digits
n = 23956 7216 digits
n = 27846 8387 digits
n = 34521 10396 digits
n = 35197 10600 digits
n = 38367 11554 digits
n = 38799 11684 digits
n = 132051 39756 digits
n = 137537 41407 digits
n = 149215 44923 digits
n = 151299 45550 digits
n = 158398 47687 digits
n = 160060 48187 digits
n = 229531 69100 digits
n = 329534 99204 digits
n = 370887 111653 digits May 2012 Bob Hurd; PPSE; PrimeGrid
n = 494175 148766 digits Mar 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 584780 176041 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 734017 220966 digits Feb 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
n = 1208037 363660 digits Dec 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1466361 441423 digits Feb 2018 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 7787
max n: 2.372.870
n = 3 5 digits
n = 35 15 digits
n = 51 20 digits
n = 107 37 digits
n = 135 45 digits
n = 1367 416 digits
n = 6855 2068 digits
n = 542451 163298 digits Aug 2010 Axel Höpstein; PSieve; srsieve; PrimeGrid; LLR
n = 673515 202753 digits Jun 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1432295 431168 digits Jan 2017 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1815303 546465 digits Jan 2024 William Donovan; PPSE; PrimeGrid
k: 7789
max n: 2.373.009
n = 6 6 digits
n = 10 7 digits
n = 102 35 digits
n = 138 46 digits
n = 150 50 digits
n = 174 57 digits
n = 298 94 digits
n = 790 242 digits
n = 3534 1068 digits 1993 Jeffrey Young
n = 11482 3461 digits
n = 14098 4248 digits
n = 14466 4359 digits
n = 22182 6682 digits
n = 24082 7254 digits
n = 35398 10660 digits
n = 39138 11786 digits
n = 97554 29371 digits
n = 368250 110859 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 408646 123019 digits Sep 2012 Claude Dulaurens; PPSE; PrimeGrid
n = 1219102 366991 digits Dec 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1852858 557770 digits Jan 2024 Marshall Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1863310 560917 digits Feb 2024 Yifei Gao; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3351046 1008770 digits Feb 2021 Hendrik Schawe; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7791
max n: 2.372.782
n = 1 5 digits
n = 8 7 digits
n = 12 8 digits
n = 15 9 digits
n = 20 10 digits
n = 25 12 digits
n = 29 13 digits
n = 36 15 digits
n = 49 19 digits
n = 56 21 digits
n = 85 30 digits
n = 119 40 digits
n = 125 42 digits
n = 151 50 digits
n = 168 55 digits
n = 183 59 digits
n = 199 64 digits
n = 325 102 digits
n = 331 104 digits
n = 339 106 digits
n = 612 189 digits
n = 672 207 digits
n = 703 216 digits
n = 843 258 digits
n = 995 304 digits
n = 1019 311 digits
n = 1325 403 digits
n = 1495 454 digits
n = 2425 734 digits
n = 2429 736 digits
n = 4068 1229 digits 1993 Jeffrey Young
n = 4981 1504 digits 1993 Jeffrey Young
n = 5763 1739 digits
n = 6873 2073 digits
n = 18024 5430 digits
n = 18893 5692 digits
n = 23639 7120 digits
n = 24648 7424 digits
n = 43655 13146 digits May 1999 Tadashi Taura; Proth
n = 55961 16850 digits
n = 131311 39533 digits Apr 2003 John Metcalf; Proth
n = 164388 49490 digits
n = 362820 109224 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 451061 135787 digits May 2009 Ron Sheckler; srsieve; PrimeGrid; LLR
n = 464784 139918 digits Aug 2009 Michael Millette; srsieve; PrimeGrid; LLR
n = 482045 145114 digits Oct 2009 Sascha Beat Dinkel; srsieve; PrimeGrid; LLR
n = 640255 192740 digits Feb 2011 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 903805 272077 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1350933 406676 digits Aug 2015 Jan Töpert; PSieve; srsieve; PrimeGrid; LLR
n = 1448172 435948 digits May 2017 Michele T. Mazzucato; PSieve; srsieve; PrimeGrid; LLR
n = 1735776 522525 digits Mar 2023 Alexander E. Baranchikov; PPSE; PrimeGrid
n = 2084556 627518 digits Jan 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7793
max n: 2.373.452
n = 5 6 digits
n = 17 10 digits
n = 33 14 digits
n = 269 85 digits
n = 957 292 digits
n = 111777 33653 digits
n = 144633 43543 digits
n = 287597 86580 digits
n = 807677 243139 digits Mar 2012 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1095365 329742 digits May 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1972673 593838 digits Jun 2024 Alexey Simbarsky; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7795
max n: 2.372.901
n = 2 5 digits
n = 4 6 digits
n = 6 6 digits
n = 52 20 digits
n = 56 21 digits
n = 62 23 digits
n = 72 26 digits
n = 132 44 digits
n = 216 69 digits
n = 222 71 digits
n = 480 149 digits
n = 774 237 digits
n = 864 264 digits
n = 1082 330 digits
n = 3726 1126 digits 1993 Jeffrey Young
n = 4734 1429 digits 1993 Jeffrey Young
n = 5500 1660 digits
n = 11150 3361 digits
n = 14544 4383 digits
n = 17424 5250 digits
n = 31230 9406 digits
n = 37902 11414 digits
n = 50370 15167 digits
n = 54096 16289 digits
n = 55856 16819 digits
n = 67422 20300 digits
n = 222784 67069 digits
n = 256014 77072 digits
n = 286364 86209 digits
n = 388226 116872 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 496774 149548 digits
n = 506684 152531 digits May 2010 Donald Hatland; PSieve; srsieve; PrimeGrid; LLR
n = 840360 252978 digits Apr 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 1251344 376696 digits Apr 2014 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1445110 435026 digits Mar 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2333776 702541 digits Dec 2025 Sebastien Deram; PPSE; PrimeGrid
k: 7797
max n: 2.372.790
n = 2 5 digits
n = 4 6 digits
n = 7 6 digits
n = 10 7 digits
n = 16 9 digits
n = 22 11 digits
n = 47 19 digits
n = 88 31 digits
n = 131 44 digits
n = 142 47 digits
n = 203 66 digits
n = 215 69 digits
n = 244 78 digits
n = 310 98 digits
n = 610 188 digits
n = 622 192 digits
n = 1022 312 digits
n = 1307 398 digits
n = 1528 464 digits
n = 1655 503 digits
n = 1850 561 digits
n = 2207 669 digits
n = 2992 905 digits
n = 5860 1768 digits
n = 5867 1771 digits
n = 8707 2625 digits
n = 8980 2708 digits
n = 10454 3151 digits
n = 10850 3271 digits
n = 11287 3402 digits
n = 12415 3742 digits
n = 16310 4914 digits
n = 16447 4955 digits
n = 21055 6343 digits
n = 23090 6955 digits
n = 37862 11402 digits
n = 38464 11583 digits
n = 42994 12947 digits
n = 73852 22236 digits
n = 76030 22892 digits
n = 79756 24013 digits
n = 86003 25894 digits
n = 166223 50043 digits
n = 230632 69432 digits
n = 271336 81685 digits
n = 308806 92964 digits
n = 379115 114129 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 808420 243363 digits Mar 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1239955 373268 digits Jan 2014 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 1576550 474593 digits Mar 2020 Mike Kinney; PSieve; srsieve; PrimeGrid; LLR
n = 2029022 610801 digits Dec 2024 Mark Williams; PPSE; PrimeGrid
k: 7799
max n: 2.372.906
n = 7 6 digits
n = 9 7 digits
n = 25 12 digits
n = 29 13 digits
n = 39 16 digits
n = 47 19 digits
n = 49 19 digits
n = 81 29 digits
n = 103 35 digits
n = 319 100 digits
n = 527 163 digits
n = 725 223 digits
n = 817 250 digits
n = 841 258 digits
n = 1111 339 digits
n = 1579 480 digits
n = 2123 643 digits
n = 3487 1054 digits 1993 Jeffrey Young
n = 6343 1914 digits
n = 8143 2456 digits May 1996 Patrick Demichel
n = 9401 2834 digits
n = 28583 8609 digits
n = 41489 12494 digits
n = 56639 17054 digits
n = 87809 26438 digits
n = 125819 37880 digits
n = 156109 46998 digits
n = 227353 68444 digits
n = 345209 103923 digits Apr 2012 Bruce Dodson; PPSE; PrimeGrid
n = 361593 108855 digits Feb 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 441849 133014 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 1219387 367076 digits Dec 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 2281539 686816 digits May 2025 Yifei Gao; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7801
max n: 2.373.440
n = 8 7 digits
n = 32 14 digits
n = 416 130 digits
n = 468 145 digits
n = 932 285 digits
n = 1248 380 digits
n = 2808 850 digits
n = 3560 1076 digits 1993 Jeffrey Young
n = 13196 3977 digits
n = 22292 6715 digits
n = 39668 11946 digits
n = 56652 17058 digits
n = 66980 20167 digits
n = 226716 68253 digits
k: 7803
max n: 2.373.129
n = 1 5 digits
n = 10 7 digits
n = 16 9 digits
n = 37 16 digits
n = 64 24 digits
n = 66 24 digits
n = 72 26 digits
n = 90 31 digits
n = 117 40 digits
n = 121 41 digits
n = 370 116 digits
n = 388 121 digits
n = 577 178 digits
n = 630 194 digits
n = 721 221 digits
n = 1098 335 digits
n = 1170 357 digits
n = 1206 367 digits
n = 1288 392 digits
n = 1810 549 digits
n = 3544 1071 digits 1993 Jeffrey Young
n = 3724 1125 digits 1993 Jeffrey Young
n = 3861 1167 digits 1993 Jeffrey Young
n = 8146 2457 digits May 1996 Patrick Demichel
n = 12049 3632 digits
n = 14610 4402 digits
n = 19902 5995 digits
n = 25362 7639 digits
n = 76977 23177 digits
n = 78258 23562 digits
n = 103194 31069 digits
n = 106866 32174 digits
n = 116272 35006 digits
n = 158488 47714 digits
n = 173017 52088 digits
n = 177750 53512 digits
n = 250101 75292 digits
n = 278922 83968 digits
n = 471436 141921 digits Oct 2009 Steven Pletsch; srsieve; PrimeGrid; LLR
n = 577468 173840 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 595578 179291 digits Dec 2010 Ian Dickinson; PSieve; srsieve; PrimeGrid; LLR
n = 780417 234933 digits Feb 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 786042 236627 digits Mar 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 798726 240445 digits Mar 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 875934 263687 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 2246220 676184 digits Mar 2025 Jeppe Stig Nielsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7805
max n: 2.372.150
n = 49 19 digits
n = 55 21 digits
n = 79 28 digits
n = 85 30 digits
n = 89 31 digits
n = 121 41 digits
n = 145 48 digits
n = 157 52 digits
n = 185 60 digits
n = 415 129 digits
n = 665 205 digits
n = 1001 306 digits
n = 1145 349 digits
n = 1991 604 digits
n = 2381 721 digits
n = 3361 1016 digits 1993 Jeffrey Young
n = 6973 2103 digits Mar 1996 Patrick Demichel
n = 7001 2112 digits Mar 1996 Patrick Demichel
n = 7709 2325 digits
n = 42089 12674 digits
n = 149893 45127 digits
n = 475777 143228 digits Oct 2009 Stephan Kirsten; srsieve; PrimeGrid; LLR
n = 1282933 386206 digits Jun 2014 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
k: 7807
max n: 2.372.203
n = 6 6 digits
n = 80 28 digits
n = 100 34 digits
n = 108 37 digits
n = 188 61 digits
n = 238 76 digits
n = 604 186 digits
n = 3566 1078 digits 1993 Jeffrey Young
n = 5278 1593 digits
n = 8726 2631 digits
n = 8974 2706 digits
n = 23008 6930 digits
n = 24080 7253 digits
n = 26038 7843 digits
n = 39088 11771 digits
n = 54836 16512 digits
n = 63924 19247 digits
n = 65174 19624 digits
n = 130518 39294 digits
n = 179484 54034 digits
n = 277296 83479 digits
n = 318324 95829 digits
n = 349264 105143 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 508716 153143 digits May 2010 Robert Michael Andrews; PSieve; srsieve; PrimeGrid; LLR
n = 538548 162123 digits Aug 2010 Anton Singsø; PSieve; srsieve; PrimeGrid; LLR
n = 997664 300331 digits Sep 2012 Mathieu Gaillard; PSieve; srsieve; PrimeGrid; LLR
n = 1200404 361362 digits Nov 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2334404 702730 digits Jan 2026 Li Yawei; PPSE; PrimeGrid
k: 7809
max n: 2.371.252
n = 1 5 digits
n = 2 5 digits
n = 3 5 digits
n = 7 6 digits
n = 9 7 digits
n = 13 8 digits
n = 18 10 digits
n = 21 11 digits
n = 29 13 digits
n = 42 17 digits
n = 47 19 digits
n = 66 24 digits
n = 74 27 digits
n = 126 42 digits
n = 167 55 digits
n = 181 59 digits
n = 195 63 digits
n = 299 94 digits
n = 339 106 digits
n = 633 195 digits
n = 763 234 digits
n = 921 282 digits
n = 1026 313 digits
n = 1242 378 digits
n = 1347 410 digits
n = 1451 441 digits
n = 2025 614 digits
n = 4446 1343 digits 1993 Jeffrey Young
n = 7511 2265 digits
n = 8641 2606 digits
n = 9063 2733 digits
n = 9165 2763 digits
n = 12379 3731 digits
n = 13411 4042 digits
n = 15409 4643 digits
n = 16705 5033 digits May 1996 Patrick Demichel
n = 17106 5154 digits
n = 19014 5728 digits
n = 19154 5770 digits
n = 19442 5857 digits
n = 21062 6345 digits
n = 26826 8080 digits
n = 31902 9608 digits
n = 36281 10926 digits
n = 40637 12237 digits
n = 42625 12836 digits
n = 42663 12847 digits
n = 48102 14485 digits
n = 65751 19797 digits
n = 66641 20065 digits
n = 73002 21980 digits
n = 81399 24508 digits
n = 87729 26413 digits
n = 99147 29851 digits
n = 111522 33576 digits
n = 147746 44480 digits
n = 194706 58617 digits
n = 197537 59469 digits
n = 215426 64854 digits
n = 236587 71224 digits
n = 303429 91346 digits
n = 331619 99832 digits
n = 513455 154570 digits Jun 2010 Terry Thompson; PSieve; srsieve; PrimeGrid; LLR
n = 521241 156914 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 588913 177285 digits Dec 2010 Stephen Pisle; PSieve; srsieve; PrimeGrid; LLR
n = 690054 207731 digits Sep 2011 Alexey Tarasov; PSieve; srsieve; PrimeGrid; LLR
n = 738717 222380 digits Feb 2012 Philipp Bliedung; PSieve; srsieve; PrimeGrid; LLR
n = 758819 228432 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 761653 229285 digits Feb 2012 Ulrich Fries; PSieve; srsieve; PrimeGrid; LLR
n = 808965 243527 digits Mar 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 853539 256945 digits May 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1013277 305031 digits Oct 2012 Ron Belansky; PSieve; srsieve; PrimeGrid; LLR
n = 1059953 319082 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1070211 322170 digits May 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1469047 442232 digits Feb 2018 Jörg Bravin; PSieve; srsieve; PrimeGrid; LLR
n = 1963677 591130 digits May 2024 Stephen P. Norton; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2347461 706661 digits Mar 2026 PPSE; PrimeGrid
k: 7811
max n: 2.372.860
n = 7 6 digits
n = 13 8 digits
n = 37 16 digits
n = 43 17 digits
n = 1501 456 digits
n = 1517 461 digits
n = 4541 1371 digits 1993 Jeffrey Young
n = 6973 2103 digits Mar 1996 Patrick Demichel
n = 9079 2737 digits
n = 16423 4948 digits
n = 46501 14003 digits
n = 1943413 585030 digits Mar 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7813
max n: 2.372.711
n = 2 5 digits
n = 12 8 digits
n = 14 9 digits
n = 16 9 digits
n = 22 11 digits
n = 34 15 digits
n = 48 19 digits
n = 54 21 digits
n = 76 27 digits
n = 138 46 digits
n = 146 48 digits
n = 186 60 digits
n = 198 64 digits
n = 232 74 digits
n = 250 80 digits
n = 278 88 digits
n = 286 90 digits
n = 288 91 digits
n = 436 136 digits
n = 560 173 digits
n = 612 189 digits
n = 902 276 digits
n = 1166 355 digits
n = 1292 393 digits
n = 1672 508 digits
n = 1682 511 digits
n = 2018 612 digits
n = 2516 762 digits
n = 2872 869 digits
n = 3862 1167 digits 1993 Jeffrey Young
n = 4130 1248 digits 1993 Jeffrey Young
n = 4838 1461 digits 1993 Jeffrey Young
n = 7650 2307 digits
n = 9218 2779 digits
n = 9914 2989 digits
n = 11632 3506 digits
n = 13252 3994 digits
n = 13456 4055 digits
n = 15118 4555 digits
n = 16840 5074 digits
n = 19774 5957 digits
n = 22342 6730 digits
n = 42256 12725 digits
n = 46878 14116 digits Mar 2000 Jo Yeong Uk; Proth
n = 52702 15869 digits
n = 66272 19954 digits
n = 100374 30220 digits
n = 104688 31519 digits
n = 105274 31695 digits
n = 110138 33159 digits
n = 112812 33964 digits
n = 128400 38657 digits
n = 165912 49949 digits
n = 190700 57411 digits
n = 409416 123251 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 428800 129086 digits Nov 2012 Jon Antonides; PPSE; PrimeGrid
n = 492382 148226 digits Mar 2010 Yevgeniy Gorbachev; PSieve; srsieve; PrimeGrid; LLR
n = 532450 160288 digits Jul 2010 Dave Mitchell; PSieve; srsieve; PrimeGrid; LLR
n = 566960 170676 digits Nov 2010 Jarrod Trainque; PSieve; srsieve; PrimeGrid; LLR
n = 583172 175557 digits Nov 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 659092 198411 digits Mar 2011 Keith Pattenden; PSieve; srsieve; PrimeGrid; LLR
n = 889032 267630 digits May 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1163992 350401 digits Sep 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1229788 370207 digits Jan 2014 Yuki Yoshigoe; PSieve; srsieve; PrimeGrid; LLR
n = 1247000 375389 digits Feb 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1644032 494907 digits Sep 2021 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1924660 579385 digits Feb 2024 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2300262 692452 digits Aug 2025 Chase Tarson; PPSE; PrimeGrid
k: 7815
max n: 2.372.639
n = 12 8 digits
n = 27 13 digits
n = 35 15 digits
n = 42 17 digits
n = 59 22 digits
n = 60 22 digits
n = 66 24 digits
n = 75 27 digits
n = 146 48 digits
n = 243 78 digits
n = 248 79 digits
n = 404 126 digits
n = 1104 337 digits
n = 1568 476 digits
n = 1715 521 digits
n = 2078 630 digits
n = 2364 716 digits
n = 5594 1688 digits
n = 6720 2027 digits
n = 11913 3591 digits
n = 15186 4576 digits
n = 15464 4660 digits
n = 18777 5657 digits
n = 20625 6213 digits
n = 25530 7690 digits
n = 29250 8810 digits
n = 43743 13172 digits
n = 56328 16961 digits
n = 92879 27964 digits
n = 157343 47369 digits
n = 173217 52148 digits
n = 175514 52839 digits
n = 175946 52969 digits
n = 222203 66894 digits
n = 239679 72155 digits
n = 256526 77226 digits
n = 344186 103615 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 425804 128184 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 590120 177648 digits Dec 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 681678 205210 digits Aug 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 787146 236959 digits Mar 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1386279 417316 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1673462 503767 digits Feb 2022 Bill Michael; PSieve; srsieve; PrimeGrid; LLR
n = 1869626 562818 digits Feb 2024 James Krauss; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2040179 614159 digits Jan 2025 Jonathan Gehrke; PPSE; PrimeGrid
n = 2308703 694993 digits Sep 2025 Valter Cavecchia; PPSE; PrimeGrid
k: 7817
max n: 2.373.415
n = 7 7 digits
n = 15 9 digits
n = 19 10 digits
n = 27 13 digits
n = 127 43 digits
n = 171 56 digits
n = 283 90 digits
n = 675 208 digits
n = 999 305 digits
n = 1231 375 digits
n = 1431 435 digits
n = 1551 471 digits
n = 1659 504 digits
n = 1791 544 digits
n = 4875 1472 digits 1993 Jeffrey Young
n = 7095 2140 digits
n = 9435 2845 digits
n = 14647 4414 digits Feb 1998 Baptiste Heyman; Proth
n = 62211 18732 digits
n = 772371 232511 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1229839 370223 digits Jan 2014 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
k: 7819
max n: 2.372.889
n = 2 5 digits
n = 6 6 digits
n = 34 15 digits
n = 42 17 digits
n = 74 27 digits
n = 90 31 digits
n = 546 169 digits
n = 702 216 digits
n = 922 282 digits
n = 1642 499 digits
n = 2446 741 digits
n = 2450 742 digits
n = 4398 1328 digits 1993 Jeffrey Young
n = 4990 1507 digits 1993 Jeffrey Young
n = 5630 1699 digits
n = 16738 5043 digits
n = 18182 5478 digits
n = 32686 9844 digits
n = 36834 11093 digits
n = 55222 16628 digits
n = 66090 19899 digits
n = 72150 21724 digits
n = 647914 195046 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 940262 283051 digits Jul 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1019954 307041 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1628402 490202 digits Feb 2021 Richard Mortimore; PSieve; srsieve; PrimeGrid; LLR
n = 1790746 539073 digits Jan 2024 Louis Meuler; PPSE; PrimeGrid
k: 7821
max n: 2.372.782
n = 1 5 digits
n = 7 7 digits
n = 11 8 digits
n = 16 9 digits
n = 29 13 digits
n = 31 14 digits
n = 33 14 digits
n = 47 19 digits
n = 77 28 digits
n = 83 29 digits
n = 95 33 digits
n = 133 44 digits
n = 145 48 digits
n = 155 51 digits
n = 179 58 digits
n = 184 60 digits
n = 187 61 digits
n = 211 68 digits
n = 293 93 digits
n = 361 113 digits
n = 781 239 digits
n = 839 257 digits
n = 945 289 digits
n = 1048 320 digits
n = 1219 371 digits
n = 1697 515 digits
n = 1715 521 digits
n = 1968 597 digits
n = 2205 668 digits
n = 2687 813 digits
n = 3121 944 digits
n = 3205 969 digits
n = 3655 1105 digits 1993 Jeffrey Young
n = 3661 1106 digits 1993 Jeffrey Young
n = 3925 1186 digits 1993 Jeffrey Young
n = 4021 1215 digits 1993 Jeffrey Young
n = 4397 1328 digits 1993 Jeffrey Young
n = 5377 1623 digits
n = 8757 2641 digits
n = 8903 2684 digits
n = 10799 3255 digits
n = 19613 5908 digits
n = 22075 6650 digits
n = 100301 30198 digits
n = 115888 34890 digits
n = 136845 41199 digits
n = 181913 54766 digits
n = 274416 82612 digits
n = 301745 90839 digits
n = 315600 95009 digits
n = 368195 110842 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 419825 126384 digits Oct 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 472463 142230 digits Oct 2009 Dene Gillaspy; srsieve; PrimeGrid; LLR
n = 637456 191898 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 714184 214995 digits Nov 2011 Sascha Grehl; PSieve; srsieve; PrimeGrid; LLR
n = 1447627 435784 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1819041 547590 digits Jan 2024 Scott Lee; PPSE; PrimeGrid
n = 1969619 592919 digits Jun 2024 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2072107 623771 digits Jan 2025 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3348400 1007973 digits Feb 2021 Krzysztof Ostaszewski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7823
max n: 2.372.580
n = 1 5 digits
n = 9 7 digits
n = 13 8 digits
n = 25 12 digits
n = 29 13 digits
n = 61 23 digits
n = 105 36 digits
n = 129 43 digits
n = 145 48 digits
n = 161 53 digits
n = 225 72 digits
n = 381 119 digits
n = 505 156 digits
n = 1033 315 digits
n = 1585 482 digits
n = 3573 1080 digits 1993 Jeffrey Young
n = 4149 1253 digits 1993 Jeffrey Young
n = 39025 11752 digits
n = 67445 20307 digits
n = 139333 41948 digits
n = 165473 49817 digits
n = 250981 75557 digits
n = 334985 100845 digits Apr 2012 Göran Schmidt; PPSE; PrimeGrid
n = 378869 114055 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 397441 119646 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 718705 216356 digits Nov 2011 Michal Beranek; PSieve; srsieve; PrimeGrid; LLR
n = 865653 260592 digits May 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1878349 565444 digits Feb 2024 Greg McDevitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2013785 606214 digits Nov 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 2140353 644315 digits Jan 2025 Todd Pickering; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7825
max n: 2.372.623
n = 4 6 digits
n = 8 7 digits
n = 10 7 digits
n = 46 18 digits
n = 52 20 digits
n = 76 27 digits
n = 80 28 digits
n = 122 41 digits
n = 740 227 digits
n = 1084 331 digits
n = 1580 480 digits
n = 1846 560 digits
n = 2440 739 digits
n = 2836 858 digits
n = 3442 1041 digits 1993 Jeffrey Young
n = 7018 2117 digits Mar 1996 Patrick Demichel
n = 7156 2159 digits
n = 11414 3440 digits
n = 20308 6118 digits
n = 27124 8170 digits
n = 30788 9273 digits
n = 65566 19742 digits
n = 127192 38293 digits
n = 154066 46383 digits
n = 228748 68864 digits
n = 267982 80675 digits
n = 315710 95043 digits
n = 412942 124312 digits Sep 2012 James Boerner; PPSE; PrimeGrid
n = 537172 161709 digits Jul 2010 Keith Pattenden; PSieve; srsieve; PrimeGrid; LLR
n = 1657330 498910 digits Feb 2022 Ian Dickinson; PSieve; srsieve; PrimeGrid; LLR
n = 3476524 1046542 digits Jul 2023 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7827
max n: 2.373.007
n = 3 5 digits
n = 19 10 digits
n = 24 12 digits
n = 75 27 digits
n = 103 35 digits
n = 148 49 digits
n = 383 120 digits
n = 852 261 digits
n = 992 303 digits
n = 1128 344 digits
n = 1475 448 digits
n = 2242 679 digits
n = 2607 789 digits
n = 3504 1059 digits 1993 Jeffrey Young
n = 6808 2054 digits Mar 1996 Patrick Demichel
n = 8987 2710 digits
n = 11888 3583 digits
n = 16280 4905 digits
n = 20702 6236 digits
n = 22252 6703 digits
n = 68244 20548 digits
n = 68290 20562 digits
n = 74590 22458 digits
n = 120720 36345 digits
n = 132340 39843 digits
n = 132695 39950 digits
n = 246328 74157 digits
n = 336554 101317 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 343123 103295 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 380967 114687 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 382007 115000 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 433599 130531 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 568464 171129 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 590255 177689 digits Dec 2010 Wes Cure; PSieve; srsieve; PrimeGrid; LLR
n = 708359 213242 digits Sep 2011 John R. Bailey; PSieve; srsieve; PrimeGrid; LLR
n = 1209792 364188 digits Dec 2013 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
n = 1280122 385360 digits Jun 2014 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1331900 400946 digits May 2015 Jim Hipp; PSieve; srsieve; PrimeGrid; LLR
n = 1441599 433969 digits Feb 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1790844 539102 digits Jan 2024 Jaroslav Sekanina; PPSE; PrimeGrid
n = 2078023 625552 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7829
max n: 2.372.650
n = 3 5 digits
n = 17 10 digits
n = 33 14 digits
n = 75 27 digits
n = 255 81 digits
n = 273 87 digits
n = 291 92 digits
n = 435 135 digits
n = 5025 1517 digits
n = 6243 1884 digits
n = 31647 9531 digits
n = 79467 23926 digits
n = 81863 24648 digits
n = 296403 89231 digits
n = 405737 122143 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 637889 192028 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 844905 254346 digits Apr 2012 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1925351 579593 digits Feb 2024 Andrew McNary; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7831
max n: 2.373.436
n = 64 24 digits
n = 156 51 digits
n = 192 62 digits
n = 712 219 digits
n = 1312 399 digits
n = 8188 2469 digits May 1996 Patrick Demichel
n = 20668 6226 digits
n = 34248 10314 digits
n = 73956 22267 digits
n = 109212 32880 digits
n = 129028 38846 digits
n = 166344 50079 digits
n = 392988 118306 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 425904 128214 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 1140684 343384 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1558056 469026 digits Feb 2020 James Schumacher; PSieve; srsieve; PrimeGrid; LLR
n = 2193432 660293 digits Feb 2025 Vincent Riva; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7833
max n: 2.373.056
n = 1 5 digits
n = 2 5 digits
n = 4 6 digits
n = 8 7 digits
n = 10 7 digits
n = 16 9 digits
n = 17 10 digits
n = 20 10 digits
n = 21 11 digits
n = 24 12 digits
n = 28 13 digits
n = 36 15 digits
n = 58 22 digits
n = 60 22 digits
n = 100 34 digits
n = 116 39 digits
n = 193 62 digits
n = 441 137 digits
n = 568 175 digits
n = 572 177 digits
n = 657 202 digits
n = 1281 390 digits
n = 1496 455 digits
n = 1584 481 digits
n = 1962 595 digits
n = 2050 622 digits
n = 2737 828 digits
n = 3780 1142 digits 1993 Jeffrey Young
n = 3977 1202 digits 1993 Jeffrey Young
n = 4602 1390 digits 1993 Jeffrey Young
n = 8248 2487 digits
n = 8560 2581 digits May 1996 Patrick Demichel
n = 9537 2875 digits
n = 10881 3280 digits
n = 12330 3716 digits
n = 12852 3873 digits
n = 15872 4782 digits
n = 18852 5679 digits
n = 20200 6085 digits
n = 23682 7133 digits
n = 23872 7191 digits
n = 30148 9080 digits
n = 31676 9540 digits
n = 36572 11014 digits
n = 60476 18209 digits
n = 68804 20716 digits
n = 75976 22875 digits
n = 85952 25879 digits
n = 115721 34840 digits
n = 119760 36056 digits
n = 153418 46188 digits
n = 153652 46258 digits
n = 160460 48308 digits
n = 251218 75629 digits
n = 279021 83998 digits
n = 358920 108050 digits May 2012 PPSE; PrimeGrid
n = 400013 120420 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 668352 201198 digits Apr 2011 Matthias Pilch; PSieve; srsieve; PrimeGrid; LLR
n = 1430357 430585 digits Dec 2016 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1439968 433478 digits Feb 2017 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1709188 514521 digits Sep 2022 Ed Goforth; PPSE; PrimeGrid
n = 2115217 636748 digits Jan 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3484060 1048811 digits Oct 2023 Reginald McLean; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7835
max n: 2.373.120
n = 1 5 digits
n = 5 6 digits
n = 11 8 digits
n = 13 8 digits
n = 25 12 digits
n = 29 13 digits
n = 35 15 digits
n = 69 25 digits
n = 101 35 digits
n = 141 47 digits
n = 205 66 digits
n = 413 129 digits
n = 1545 469 digits
n = 1549 471 digits
n = 2141 649 digits
n = 4069 1229 digits 1993 Jeffrey Young
n = 4675 1412 digits 1993 Jeffrey Young
n = 6161 1859 digits
n = 7993 2411 digits
n = 9973 3007 digits
n = 11673 3518 digits
n = 15433 4650 digits
n = 23473 7070 digits
n = 117185 35281 digits
n = 126493 38083 digits
n = 132841 39994 digits
n = 155165 46714 digits
n = 161185 48526 digits
n = 224645 67629 digits
n = 226205 68099 digits
n = 230913 69516 digits
n = 292529 88064 digits
n = 374123 112627 digits Jun 2012 Ronny Willig; PPSE; PrimeGrid
n = 410083 123452 digits Sep 2012 PPSE; PrimeGrid
n = 413029 124339 digits Sep 2012 James Boerner; PPSE; PrimeGrid
n = 431105 129780 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 561073 168904 digits Oct 2010 Anthony Storch; PSieve; srsieve; PrimeGrid; LLR
n = 1132845 341025 digits Aug 2013 Marinus Rinie Smits; PSieve; srsieve; PrimeGrid; LLR
n = 1192099 358862 digits Oct 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1528449 460113 digits Feb 2019 Hans Joachim Böhm; PSieve; srsieve; PrimeGrid; LLR
n = 1548409 466122 digits Nov 2019 Masato Kasuya; PSieve; srsieve; PrimeGrid; LLR
n = 2049145 616859 digits Jan 2025 Tom Greer; PPSE; PrimeGrid
k: 7837
max n: 2.372.869
n = 8 7 digits
n = 10 7 digits
n = 12 8 digits
n = 16 9 digits
n = 26 12 digits
n = 28 13 digits
n = 32 14 digits
n = 34 15 digits
n = 122 41 digits
n = 136 45 digits
n = 162 53 digits
n = 190 62 digits
n = 492 153 digits
n = 1016 310 digits
n = 1142 348 digits
n = 1222 372 digits
n = 1550 471 digits
n = 1664 505 digits
n = 2314 701 digits
n = 2836 858 digits
n = 3880 1172 digits 1993 Jeffrey Young
n = 4130 1248 digits 1993 Jeffrey Young
n = 6816 2056 digits Mar 1996 Patrick Demichel
n = 6966 2101 digits Mar 1996 Patrick Demichel
n = 7538 2274 digits
n = 7594 2290 digits
n = 9854 2971 digits
n = 10908 3288 digits
n = 12996 3917 digits
n = 22804 6869 digits
n = 25536 7691 digits
n = 28856 8691 digits
n = 57256 17240 digits
n = 60754 18293 digits
n = 67048 20188 digits
n = 68716 20690 digits
n = 91986 27695 digits
n = 96534 29064 digits
n = 116906 35197 digits
n = 118752 35752 digits
n = 140706 42361 digits
n = 155720 46881 digits
n = 162096 48800 digits
n = 172132 51821 digits
n = 180286 54276 digits
n = 195514 58860 digits
n = 222184 66888 digits
n = 235610 70930 digits
n = 245684 73963 digits
n = 259000 77971 digits
n = 435528 131111 digits Dec 2012 Sascha Thorsten Dietsch; PPSE; PrimeGrid
n = 440020 132464 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 913862 275104 digits Jun 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 913956 275133 digits Jun 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1001292 301423 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1141988 343777 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1476714 444540 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 1486160 447383 digits Mar 2018 Dennis Bischof; PSieve; srsieve; PrimeGrid; LLR
n = 1589340 478443 digits Sep 2020 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1617742 486993 digits Feb 2021 Brian D. Niegocki; PSieve; srsieve; PrimeGrid; LLR
n = 1730904 521058 digits Jan 2023 Takashi Iwasaki; PPSE; PrimeGrid
n = 1732214 521453 digits Feb 2023 Kevin Wyn; PPSE; PrimeGrid
n = 1770934 533109 digits Nov 2023 Patrick Schöfer; PPSE; PrimeGrid
n = 2018290 607570 digits Dec 2024 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2273464 684385 digits May 2025 John Natividad; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7839
max n: 2.372.836
n = 1 5 digits
n = 2 5 digits
n = 14 9 digits
n = 26 12 digits
n = 37 16 digits
n = 71 26 digits
n = 95 33 digits
n = 106 36 digits
n = 230 74 digits
n = 290 92 digits
n = 434 135 digits
n = 686 211 digits
n = 797 244 digits
n = 950 290 digits
n = 1534 466 digits
n = 1754 532 digits
n = 2030 615 digits
n = 11591 3494 digits
n = 12085 3642 digits
n = 12421 3743 digits
n = 22010 6630 digits
n = 22717 6843 digits
n = 25054 7546 digits
n = 35441 10673 digits
n = 40814 12291 digits
n = 41117 12382 digits
n = 51074 15379 digits
n = 52570 15830 digits
n = 52826 15907 digits
n = 54466 16400 digits
n = 87706 26407 digits
n = 116129 34963 digits
n = 168701 50788 digits
n = 179006 53891 digits
n = 268654 80877 digits
n = 463706 139594 digits Jul 2009 Brian Malone; srsieve; PrimeGrid; LLR
n = 1240646 373476 digits Jan 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1294999 389838 digits Sep 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1542254 464269 digits Jul 2019 Jan Gniesmer; PSieve; srsieve; PrimeGrid; LLR
n = 1940257 584080 digits Mar 2024 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3457846 1040920 digits Feb 2023 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7841
max n: 2.372.870
n = 1 5 digits
n = 11 8 digits
n = 27 13 digits
n = 31 14 digits
n = 33 14 digits
n = 57 22 digits
n = 61 23 digits
n = 127 43 digits
n = 133 44 digits
n = 543 168 digits
n = 575 177 digits
n = 621 191 digits
n = 2355 713 digits
n = 3127 946 digits
n = 8787 2650 digits
n = 9357 2821 digits
n = 11641 3509 digits
n = 13071 3939 digits
n = 15007 4522 digits Nov 1997 Henri Lifchitz; Proth
n = 16057 4838 digits
n = 21891 6594 digits
n = 39421 11871 digits
n = 84167 25341 digits
n = 130247 39213 digits
n = 147991 44554 digits
n = 149891 45126 digits
n = 213865 64384 digits
n = 349897 105334 digits Apr 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 371713 111901 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 443793 133599 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 559691 168488 digits Oct 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 560563 168751 digits Oct 2010 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 1071393 322526 digits May 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1105701 332854 digits Jul 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1899575 571833 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2121645 638683 digits Jan 2025 Tony Coleman; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7843
max n: 2.372.695
n = 6 6 digits
n = 18 10 digits
n = 44 18 digits
n = 62 23 digits
n = 92 32 digits
n = 126 42 digits
n = 150 50 digits
n = 162 53 digits
n = 474 147 digits
n = 906 277 digits
n = 1280 390 digits
n = 1302 396 digits
n = 1388 422 digits
n = 2906 879 digits
n = 3444 1041 digits 1993 Jeffrey Young
n = 4844 1463 digits 1993 Jeffrey Young
n = 7820 2358 digits
n = 9438 2846 digits
n = 24936 7511 digits
n = 39974 12038 digits
n = 46626 14040 digits
n = 59402 17886 digits
n = 77252 23260 digits
n = 104064 31331 digits
n = 158298 47657 digits
n = 208050 62634 digits
n = 247242 74432 digits
n = 353148 106313 digits May 2012 Honza Cholt; PPSE; PrimeGrid
n = 389918 117381 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 527396 158766 digits Jul 2010 Yevgeniy Gorbachev; PSieve; srsieve; PrimeGrid; LLR
n = 826980 248950 digits Apr 2012 Carl Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 2018090 607510 digits Dec 2024 Jonathan Gehrke; PPSE; PrimeGrid
k: 7845
max n: 2.371.499
n = 3 5 digits
n = 6 6 digits
n = 7 7 digits
n = 10 7 digits
n = 16 9 digits
n = 22 11 digits
n = 30 13 digits
n = 39 16 digits
n = 40 16 digits
n = 58 22 digits
n = 70 25 digits
n = 76 27 digits
n = 82 29 digits
n = 102 35 digits
n = 112 38 digits
n = 147 49 digits
n = 180 59 digits
n = 207 67 digits
n = 252 80 digits
n = 391 122 digits
n = 730 224 digits
n = 786 241 digits
n = 948 290 digits
n = 1143 348 digits
n = 1308 398 digits
n = 1411 429 digits
n = 1459 444 digits
n = 1543 469 digits
n = 1552 472 digits
n = 2155 653 digits
n = 3246 982 digits
n = 6420 1937 digits
n = 13149 3963 digits
n = 17071 5143 digits
n = 17839 5374 digits
n = 22908 6900 digits
n = 26163 7880 digits
n = 29061 8753 digits
n = 34702 10451 digits
n = 47098 14182 digits
n = 68707 20687 digits
n = 113743 34244 digits
n = 179955 54176 digits
n = 203542 61277 digits
n = 357567 107643 digits May 2012 PPSE; PrimeGrid
n = 395277 118995 digits Jul 2012 Arnaud de Klerk; PPSE; PrimeGrid
n = 666382 200605 digits Apr 2011 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1023501 308109 digits Oct 2012 Sławomir Jagsz; PSieve; srsieve; PrimeGrid; LLR
n = 1063807 320242 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1387768 417764 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1616659 486667 digits Feb 2021 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 2192959 660151 digits Feb 2025 Ed Goforth; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7847
max n: 2.372.854
n = 31 14 digits
n = 35 15 digits
n = 47 19 digits
n = 187 61 digits
n = 251 80 digits
n = 299 94 digits
n = 2599 787 digits
n = 14555 4386 digits
n = 90575 27270 digits
n = 111239 33491 digits
n = 276451 83224 digits
n = 609275 183414 digits Jan 2011 Kevin Thomson; PSieve; srsieve; PrimeGrid; LLR
n = 1217855 366615 digits Dec 2013 Jesper Hedlund; PSieve; srsieve; PrimeGrid; LLR
k: 7849
max n: 2.373.237
n = 2 5 digits
n = 10 7 digits
n = 38 16 digits
n = 230 74 digits
n = 238 76 digits
n = 330 104 digits
n = 3538 1069 digits 1993 Jeffrey Young
n = 16378 4935 digits
n = 18442 5556 digits
n = 23178 6982 digits
n = 36790 11079 digits
n = 50470 15197 digits
n = 233250 70220 digits
n = 594082 178841 digits Dec 2010 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 671510 202149 digits Jun 2011 Anthony Storch; PSieve; srsieve; PrimeGrid; LLR
n = 1519750 457495 digits Feb 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 7851
max n: 2.372.628
n = 4 6 digits
n = 5 6 digits
n = 8 7 digits
n = 9 7 digits
n = 11 8 digits
n = 19 10 digits
n = 29 13 digits
n = 55 21 digits
n = 57 22 digits
n = 63 23 digits
n = 69 25 digits
n = 99 34 digits
n = 175 57 digits
n = 211 68 digits
n = 244 78 digits
n = 247 79 digits
n = 251 80 digits
n = 363 114 digits
n = 400 125 digits
n = 409 128 digits
n = 536 166 digits
n = 563 174 digits
n = 625 193 digits
n = 659 203 digits
n = 733 225 digits
n = 787 241 digits
n = 919 281 digits
n = 1025 313 digits
n = 1424 433 digits
n = 1655 503 digits
n = 1700 516 digits
n = 1736 527 digits
n = 2053 622 digits
n = 2483 752 digits
n = 3687 1114 digits 1993 Jeffrey Young
n = 4257 1286 digits 1993 Jeffrey Young
n = 15208 4582 digits
n = 17211 5185 digits Aug 1997 Harvey Seargeant; Proth
n = 17787 5359 digits Jul 1996 Patrick Demichel
n = 25924 7808 digits
n = 26408 7954 digits
n = 28136 8474 digits
n = 29231 8804 digits
n = 30547 9200 digits
n = 32033 9647 digits
n = 33920 10215 digits
n = 60723 18284 digits
n = 60903 18338 digits
n = 65019 19577 digits
n = 66439 20005 digits May 2000 Thom Adams; Proth
n = 72639 21871 digits
n = 73653 22176 digits
n = 74233 22351 digits
n = 85189 25649 digits
n = 129487 38984 digits
n = 129929 39117 digits
n = 192209 57865 digits
n = 271139 81625 digits
n = 321655 96832 digits
n = 342617 103142 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 374753 112816 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 388603 116986 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 492100 148141 digits Mar 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 777443 234038 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 1291269 388715 digits Sep 2014 Andrew M Farrow; PSieve; srsieve; PrimeGrid; LLR
n = 1299663 391242 digits Nov 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3408909 1026188 digits Feb 2022 James Early; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7853
max n: 2.372.836
n = 5 6 digits
n = 17 10 digits
n = 317 100 digits
n = 1549 471 digits
n = 1637 497 digits
n = 7565 2282 digits
n = 11849 3571 digits
n = 13537 4079 digits
n = 28177 8487 digits
n = 43097 12978 digits
n = 114649 34517 digits
n = 443989 133658 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 653749 196802 digits Mar 2011 Lars Wallin; PSieve; srsieve; PrimeGrid; LLR
n = 919793 276890 digits Jun 2012 Wouter de Vries; PSieve; srsieve; PrimeGrid; LLR
n = 1321037 397676 digits Mar 2015 Brian R Kaczala; PSieve; srsieve; PrimeGrid; LLR
k: 7855
max n: 2.372.807
n = 8 7 digits
n = 16 9 digits
n = 48 19 digits
n = 192 62 digits
n = 256 81 digits
n = 264 84 digits
n = 274 87 digits
n = 288 91 digits
n = 426 133 digits
n = 1198 365 digits
n = 3982 1203 digits 1993 Jeffrey Young
n = 4912 1483 digits 1993 Jeffrey Young
n = 6704 2023 digits Mar 1996 Patrick Demichel
n = 11008 3318 digits
n = 12440 3749 digits
n = 15728 4739 digits
n = 15960 4809 digits
n = 17816 5368 digits
n = 39680 11949 digits
n = 46096 13881 digits
n = 66234 19943 digits
n = 162858 49030 digits
n = 209758 63148 digits
n = 261102 78604 digits
n = 800626 241017 digits Mar 2012 Gregor Hesse; PSieve; srsieve; PrimeGrid; LLR
n = 1717074 516895 digits Oct 2022 PPSE; PrimeGrid
k: 7857
max n: 2.372.273
n = 8 7 digits
n = 11 8 digits
n = 30 13 digits
n = 48 19 digits
n = 59 22 digits
n = 68 25 digits
n = 144 48 digits
n = 200 65 digits
n = 266 84 digits
n = 692 213 digits
n = 756 232 digits
n = 911 279 digits
n = 1911 580 digits
n = 3095 936 digits
n = 3234 978 digits
n = 3348 1012 digits 1993 Jeffrey Young
n = 12386 3733 digits
n = 12570 3788 digits
n = 17556 5289 digits
n = 18195 5482 digits
n = 20508 6178 digits
n = 21711 6540 digits
n = 26762 8061 digits
n = 70848 21332 digits
n = 75792 22820 digits
n = 99351 29912 digits
n = 166352 50081 digits
n = 264366 79586 digits
n = 300950 90599 digits
n = 311003 93626 digits
n = 331103 99676 digits
n = 781806 235351 digits Mar 2012 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 881399 265332 digits May 2012 Heinz Ming; PSieve; srsieve; PrimeGrid; LLR
n = 1182012 355825 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1638152 493137 digits May 2021 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2066843 622186 digits Jan 2025 Kai Presler; PPSE; PrimeGrid
n = 2095170 630713 digits Jan 2025 Thorsten Sambale; PPSE; PrimeGrid
n = 2187792 658595 digits Feb 2025 Leon Bird; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7859
max n: 2.373.134
n = 3 5 digits
n = 9 7 digits
n = 69 25 digits
n = 109 37 digits
n = 159 52 digits
n = 205 66 digits
n = 273 87 digits
n = 345 108 digits
n = 349 109 digits
n = 399 125 digits
n = 423 132 digits
n = 445 138 digits
n = 1845 560 digits
n = 1929 585 digits
n = 2655 804 digits
n = 5559 1678 digits
n = 5619 1696 digits
n = 9789 2951 digits
n = 25353 7636 digits
n = 29509 8887 digits
n = 73513 22134 digits
n = 84807 25534 digits
n = 272373 81997 digits
n = 290097 87332 digits
n = 362425 109105 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 1376115 414256 digits Jan 2016 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
k: 7861
max n: 2.373.415
n = 4 6 digits
n = 12 8 digits
n = 60 22 digits
n = 96 33 digits
n = 112 38 digits
n = 160 53 digits
n = 324 102 digits
n = 364 114 digits
n = 440 137 digits
n = 480 149 digits
n = 716 220 digits
n = 1032 315 digits
n = 2800 847 digits
n = 5616 1695 digits
n = 6264 1890 digits
n = 20292 6113 digits
n = 44992 13548 digits
n = 70524 21234 digits
n = 83156 25037 digits
n = 102736 30931 digits
n = 156524 47123 digits
n = 206864 62277 digits
n = 232000 69843 digits
n = 441324 132856 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 638640 192254 digits Feb 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 677364 203911 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 718860 216403 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1019436 306885 digits Oct 2012 Demid Kirkhan; PSieve; srsieve; PrimeGrid; LLR
n = 1311432 394785 digits Feb 2015 Lee Nelson; PSieve; srsieve; PrimeGrid; LLR
n = 2364772 711872 digits May 2026 David Perek; PPSE; PrimeGrid
k: 7863
max n: 2.372.711
n = 1 5 digits
n = 6 6 digits
n = 10 7 digits
n = 16 9 digits
n = 17 10 digits
n = 20 10 digits
n = 22 11 digits
n = 30 13 digits
n = 33 14 digits
n = 44 18 digits
n = 60 22 digits
n = 97 34 digits
n = 281 89 digits
n = 334 105 digits
n = 346 109 digits
n = 536 166 digits
n = 578 178 digits
n = 634 195 digits
n = 738 227 digits
n = 804 246 digits
n = 854 261 digits
n = 888 272 digits
n = 904 277 digits
n = 1094 334 digits
n = 1960 594 digits
n = 2572 779 digits
n = 4470 1350 digits 1993 Jeffrey Young
n = 4608 1392 digits 1993 Jeffrey Young
n = 4873 1471 digits 1993 Jeffrey Young
n = 4896 1478 digits 1993 Jeffrey Young
n = 5694 1718 digits
n = 5830 1759 digits
n = 7052 2127 digits
n = 7070 2133 digits
n = 7830 2361 digits
n = 7944 2396 digits
n = 7968 2403 digits
n = 11898 3586 digits
n = 12124 3654 digits
n = 15928 4799 digits
n = 16358 4929 digits
n = 16990 5119 digits
n = 19124 5761 digits
n = 30202 9096 digits
n = 33816 10184 digits
n = 34978 10534 digits
n = 42433 12778 digits
n = 45112 13584 digits
n = 91832 27649 digits
n = 95358 28710 digits
n = 122121 36766 digits
n = 123088 37058 digits
n = 250746 75486 digits
n = 267422 80506 digits
n = 303624 91404 digits
n = 396766 119443 digits Jul 2012 PPSE; PrimeGrid
n = 768206 231257 digits Feb 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1136632 342165 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1142808 344024 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1230300 370362 digits Jan 2014 Bartlett Henderson; PSieve; srsieve; PrimeGrid; LLR
n = 1551984 467198 digits Dec 2019 Mason Read; PSieve; srsieve; PrimeGrid; LLR
n = 2349770 707356 digits Mar 2026 David Perek; PPSE; PrimeGrid
k: 7865
max n: 2.372.690
n = 1 5 digits
n = 3 5 digits
n = 7 7 digits
n = 23 11 digits
n = 25 12 digits
n = 27 13 digits
n = 61 23 digits
n = 103 35 digits
n = 189 61 digits
n = 271 86 digits
n = 335 105 digits
n = 375 117 digits
n = 443 138 digits
n = 793 243 digits
n = 1443 439 digits
n = 2437 738 digits
n = 3747 1132 digits 1993 Jeffrey Young
n = 7355 2218 digits May 1996 Patrick Demichel
n = 8273 2495 digits
n = 8945 2697 digits
n = 10899 3285 digits
n = 12671 3819 digits
n = 14217 4284 digits
n = 15541 4683 digits
n = 18313 5517 digits
n = 25417 7656 digits
n = 27245 8206 digits
n = 27551 8298 digits
n = 32185 9693 digits
n = 32515 9792 digits
n = 55027 16569 digits
n = 58017 17469 digits
n = 59031 17774 digits
n = 65011 19575 digits
n = 76731 23103 digits
n = 77677 23388 digits
n = 85075 25615 digits
n = 94451 28437 digits
n = 100167 30158 digits
n = 101793 30647 digits
n = 114211 34385 digits
n = 119373 35939 digits
n = 126479 38078 digits
n = 138089 41573 digits
n = 178765 53818 digits
n = 219545 66094 digits
n = 220569 66402 digits
n = 296457 89247 digits
n = 353071 106289 digits May 2012 PPSE; PrimeGrid
n = 550901 165842 digits Sep 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 793117 238756 digits Mar 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1018981 306748 digits Oct 2012 Tom Pepper; PSieve; srsieve; PrimeGrid; LLR
n = 1272471 383056 digits May 2014 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 2251599 677803 digits Mar 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7867
max n: 2.372.817
n = 2 5 digits
n = 10 7 digits
n = 16 9 digits
n = 20 10 digits
n = 32 14 digits
n = 52 20 digits
n = 68 25 digits
n = 76 27 digits
n = 92 32 digits
n = 130 44 digits
n = 152 50 digits
n = 260 83 digits
n = 292 92 digits
n = 418 130 digits
n = 472 146 digits
n = 580 179 digits
n = 776 238 digits
n = 1042 318 digits
n = 1058 323 digits
n = 1220 372 digits
n = 4148 1253 digits 1993 Jeffrey Young
n = 13330 4017 digits
n = 19228 5793 digits
n = 21976 6620 digits
n = 25226 7598 digits
n = 29698 8944 digits
n = 32980 9932 digits
n = 33376 10052 digits
n = 42026 12655 digits
n = 88556 26662 digits
n = 95600 28783 digits Jan 2002 William F. Garnett III; OpenPFGW
n = 101552 30575 digits
n = 126568 38105 digits
n = 233716 70360 digits
n = 588040 177022 digits Dec 2010 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 984866 296479 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 2052098 617747 digits Jan 2025 Greg Lobring; PPSE; PrimeGrid
n = 2232872 672166 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7869
max n: 2.372.869
n = 1 5 digits
n = 2 5 digits
n = 5 6 digits
n = 9 7 digits
n = 11 8 digits
n = 18 10 digits
n = 21 11 digits
n = 30 13 digits
n = 41 17 digits
n = 42 17 digits
n = 57 22 digits
n = 66 24 digits
n = 89 31 digits
n = 94 33 digits
n = 115 39 digits
n = 371 116 digits
n = 395 123 digits
n = 418 130 digits
n = 470 146 digits
n = 537 166 digits
n = 1125 343 digits
n = 1222 372 digits
n = 1406 428 digits
n = 1422 432 digits
n = 2121 643 digits
n = 2579 781 digits
n = 2641 799 digits
n = 2982 902 digits
n = 3954 1195 digits 1993 Jeffrey Young
n = 4645 1403 digits 1993 Jeffrey Young
n = 7674 2315 digits
n = 7974 2405 digits
n = 8525 2571 digits
n = 9289 2801 digits
n = 9781 2949 digits
n = 10474 3157 digits
n = 12651 3813 digits
n = 14314 4313 digits
n = 26110 7864 digits
n = 27349 8237 digits
n = 35601 10721 digits
n = 37445 11276 digits Mar 1998 David Hanson; Proth
n = 78107 23517 digits
n = 79302 23877 digits
n = 116269 35005 digits
n = 144931 43633 digits
n = 147197 44315 digits
n = 178066 53608 digits
n = 201069 60532 digits
n = 217449 65463 digits
n = 255845 77021 digits
n = 364702 109791 digits May 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 1147425 345414 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1148627 345776 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 3373021 1015385 digits Jul 2021 Andreas Meppiél; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7871
max n: 2.372.648
n = 3 5 digits
n = 17 10 digits
n = 45 18 digits
n = 69 25 digits
n = 81 29 digits
n = 201 65 digits
n = 941 288 digits
n = 1263 385 digits
n = 1403 427 digits
n = 2735 828 digits
n = 3011 911 digits
n = 4887 1476 digits 1993 Jeffrey Young
n = 5363 1619 digits
n = 11595 3495 digits
n = 18735 5644 digits
n = 18825 5671 digits
n = 19583 5899 digits
n = 21617 6512 digits
n = 41157 12394 digits
n = 44451 13385 digits
n = 56627 17051 digits
n = 71825 21626 digits
n = 296727 89328 digits
n = 326537 98302 digits
n = 338675 101956 digits Apr 2012 Douglas B. McKay; PPSE; PrimeGrid
n = 386619 116388 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 435819 131199 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 518733 156159 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 572949 172479 digits Nov 2010 Gerd Resenski; PSieve; srsieve; PrimeGrid; LLR
n = 654785 197114 digits Mar 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 761049 229103 digits Feb 2012 Wenzel Appenzeller; PSieve; srsieve; PrimeGrid; LLR
n = 1016727 306070 digits Oct 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1310027 394362 digits Feb 2015 John P. Myers; PSieve; srsieve; PrimeGrid; LLR
n = 1567413 471843 digits Feb 2020 Tim Terry; PSieve; srsieve; PrimeGrid; LLR
k: 7873
max n: 2.373.015
n = 16 9 digits
n = 24 12 digits
n = 46 18 digits
n = 118 40 digits
n = 598 184 digits
n = 1146 349 digits
n = 2088 633 digits
n = 2764 836 digits
n = 4248 1283 digits 1993 Jeffrey Young
n = 5454 1646 digits
n = 15664 4720 digits
n = 17688 5329 digits
n = 24616 7415 digits
n = 44994 13549 digits
n = 141186 42506 digits
n = 230058 69259 digits
n = 780874 235071 digits Feb 2012 Andrew Mennerich; PSieve; srsieve; PrimeGrid; LLR
k: 7875
max n: 2.372.668
n = 4 6 digits
n = 5 6 digits
n = 6 6 digits
n = 7 7 digits
n = 11 8 digits
n = 12 8 digits
n = 13 8 digits
n = 17 10 digits
n = 21 11 digits
n = 22 11 digits
n = 25 12 digits
n = 36 15 digits
n = 46 18 digits
n = 52 20 digits
n = 59 22 digits
n = 76 27 digits
n = 102 35 digits
n = 119 40 digits
n = 159 52 digits
n = 161 53 digits
n = 166 54 digits
n = 172 56 digits
n = 174 57 digits
n = 196 63 digits
n = 214 69 digits
n = 246 78 digits
n = 255 81 digits
n = 301 95 digits
n = 329 103 digits
n = 335 105 digits
n = 393 123 digits
n = 423 132 digits
n = 509 158 digits
n = 684 210 digits
n = 768 236 digits
n = 1739 528 digits
n = 2196 665 digits
n = 2208 669 digits
n = 2376 720 digits
n = 2675 810 digits
n = 3485 1053 digits 1993 Jeffrey Young
n = 4047 1223 digits 1993 Jeffrey Young
n = 5116 1544 digits
n = 7069 2132 digits
n = 7181 2166 digits
n = 7935 2393 digits
n = 8771 2645 digits
n = 9015 2718 digits
n = 11297 3405 digits
n = 13181 3972 digits
n = 14032 4228 digits
n = 14457 4356 digits
n = 15015 4524 digits
n = 19344 5828 digits
n = 20351 6131 digits
n = 47366 14263 digits
n = 54381 16375 digits
n = 73488 22126 digits
n = 80575 24260 digits
n = 80981 24382 digits
n = 86655 26090 digits
n = 91132 27438 digits
n = 93927 28279 digits
n = 114124 34359 digits
n = 128235 38607 digits
n = 152309 45854 digits
n = 180193 54248 digits
n = 194045 58418 digits
n = 236406 71170 digits
n = 261302 78664 digits
n = 266848 80334 digits
n = 306507 92272 digits
n = 324997 97838 digits
n = 332111 99980 digits
n = 344166 103609 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 440118 132493 digits Dec 2012 Jörg Meili; PPSE; PrimeGrid
n = 464484 139828 digits Aug 2009 Ron Sheckler; srsieve; PrimeGrid; LLR
n = 488615 147092 digits Feb 2010 Paul Arthur MacIain; PSieve; srsieve; PrimeGrid; LLR
n = 541452 162998 digits Aug 2010 Ryszard Walczak; PSieve; srsieve; PrimeGrid; LLR
n = 572388 172310 digits Nov 2010 Thomas Kleinhenn; PSieve; srsieve; PrimeGrid; LLR
n = 602006 181226 digits Jan 2011 Joseph Vu Armendariz; PSieve; srsieve; PrimeGrid; LLR
n = 603966 181816 digits Jan 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 672759 202525 digits Jun 2011 Reuben Gathright; PSieve; srsieve; PrimeGrid; LLR
n = 911246 274317 digits Jun 2012 Heinz Ming; PSieve; srsieve; PrimeGrid; LLR
n = 1523707 458686 digits Feb 2019 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
n = 1715839 516523 digits Oct 2022 Ryan Propper; PPSE; PrimeGrid
n = 1935161 582546 digits Mar 2024 Derek Gordon; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7877
max n: 2.372.870
n = 7 7 digits
n = 11 8 digits
n = 19 10 digits
n = 307 97 digits
n = 359 112 digits
n = 399 125 digits
n = 459 143 digits
n = 499 155 digits
n = 1279 389 digits
n = 13231 3987 digits
n = 21371 6438 digits
n = 24379 7343 digits
n = 47091 14180 digits
n = 91931 27678 digits
n = 185179 55749 digits
k: 7879
max n: 2.372.869
n = 2 5 digits
n = 14 9 digits
n = 38 16 digits
n = 62 23 digits
n = 118 40 digits
n = 122 41 digits
n = 170 56 digits
n = 590 182 digits
n = 1258 383 digits
n = 7246 2186 digits
n = 16702 5032 digits
n = 56462 17001 digits
n = 121798 36669 digits
n = 356282 107256 digits May 2012 David Yost; PPSE; PrimeGrid
n = 409166 123176 digits Sep 2012 Claude Dulaurens; PPSE; PrimeGrid
k: 7881
max n: 2.371.968
n = 4 6 digits
n = 5 6 digits
n = 13 8 digits
n = 32 14 digits
n = 67 25 digits
n = 73 26 digits
n = 76 27 digits
n = 103 35 digits
n = 137 46 digits
n = 199 64 digits
n = 203 66 digits
n = 313 99 digits
n = 533 165 digits
n = 539 167 digits
n = 544 168 digits
n = 1792 544 digits
n = 1837 557 digits
n = 3676 1111 digits 1993 Jeffrey Young
n = 3716 1123 digits 1993 Jeffrey Young
n = 6679 2015 digits Mar 1996 Patrick Demichel
n = 8969 2704 digits
n = 14864 4479 digits
n = 16837 5073 digits
n = 70505 21229 digits
n = 82732 24909 digits
n = 159925 48147 digits
n = 202049 60827 digits
n = 284737 85719 digits
n = 327265 98521 digits
n = 348436 104894 digits Apr 2012 Ivica Kelava; PPSE; PrimeGrid
n = 410497 123576 digits Sep 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 480068 144519 digits Nov 2009 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 583199 175565 digits Nov 2010 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 1585396 477256 digits Aug 2020 Roman Strajt; PSieve; srsieve; PrimeGrid; LLR
n = 1676165 504580 digits Feb 2022 Bill Cavnaugh; PPSE; PrimeGrid
n = 2210659 665479 digits Feb 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7883
max n: 2.372.784
n = 1 5 digits
n = 25 12 digits
n = 41 17 digits
n = 185 60 digits
n = 221 71 digits
n = 397 124 digits
n = 473 147 digits
n = 1469 447 digits
n = 2297 696 digits
n = 3413 1032 digits 1993 Jeffrey Young
n = 4541 1371 digits 1993 Jeffrey Young
n = 14473 4361 digits
n = 27173 8184 digits
n = 275113 82822 digits
n = 353617 106454 digits May 2012 PPSE; PrimeGrid
k: 7885
max n: 2.373.151
n = 2 5 digits
n = 8 7 digits
n = 18 10 digits
n = 44 18 digits
n = 72 26 digits
n = 102 35 digits
n = 134 45 digits
n = 252 80 digits
n = 378 118 digits
n = 390 122 digits
n = 534 165 digits
n = 780 239 digits
n = 1086 331 digits
n = 1170 357 digits
n = 1374 418 digits
n = 1506 458 digits
n = 1530 465 digits
n = 1896 575 digits
n = 2706 819 digits
n = 6612 1995 digits
n = 6944 2095 digits
n = 8976 2706 digits
n = 13866 4178 digits
n = 15458 4658 digits
n = 18182 5478 digits
n = 30876 9299 digits
n = 35654 10737 digits
n = 54288 16347 digits
n = 70628 21266 digits
n = 74144 22324 digits
n = 75654 22779 digits
n = 86532 26053 digits
n = 102000 30709 digits
n = 136614 41129 digits
n = 138792 41785 digits
n = 154916 46639 digits
n = 276588 83266 digits
n = 490082 147534 digits Feb 2010 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 904034 272146 digits Jun 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1554608 467988 digits Jan 2020 Anthony Ayiomamitis; PSieve; srsieve; PrimeGrid; LLR
n = 1965188 591585 digits May 2024 Riley Fisher; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7887
max n: 2.372.838
n = 3 5 digits
n = 7 7 digits
n = 15 9 digits
n = 18 10 digits
n = 19 10 digits
n = 51 20 digits
n = 102 35 digits
n = 114 39 digits
n = 151 50 digits
n = 187 61 digits
n = 223 72 digits
n = 331 104 digits
n = 388 121 digits
n = 564 174 digits
n = 684 210 digits
n = 939 287 digits
n = 979 299 digits
n = 1483 451 digits
n = 4540 1371 digits 1993 Jeffrey Young
n = 5619 1696 digits
n = 8754 2640 digits
n = 11730 3535 digits
n = 17427 5250 digits
n = 21300 6416 digits Oct 1996 Patrick Demichel
n = 23695 7137 digits
n = 24588 7406 digits
n = 38859 11702 digits
n = 42354 12754 digits
n = 45151 13596 digits
n = 51876 15621 digits
n = 115900 34894 digits
n = 154707 46576 digits
n = 192135 57843 digits
n = 206946 62301 digits
n = 211206 63584 digits
n = 227922 68616 digits
n = 323364 97347 digits
n = 325374 97952 digits
n = 342270 103038 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 365964 110171 digits May 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 434607 130834 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 476370 143406 digits Oct 2009 Thurmond Harvey; srsieve; PrimeGrid; LLR
n = 479359 144306 digits Oct 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 495174 149067 digits
n = 871999 262502 digits May 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1085443 326755 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1826982 549981 digits Jan 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 2027166 610242 digits Dec 2024 PPSE; PrimeGrid
n = 2166619 652222 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2298027 691779 digits Jul 2025 Giovanni Valentino; PPSE; PrimeGrid
k: 7889
max n: 2.372.906
n = 3 5 digits
n = 5 6 digits
n = 9 7 digits
n = 13 8 digits
n = 27 13 digits
n = 45 18 digits
n = 75 27 digits
n = 99 34 digits
n = 135 45 digits
n = 199 64 digits
n = 225 72 digits
n = 229 73 digits
n = 315 99 digits
n = 495 153 digits
n = 893 273 digits
n = 2405 728 digits
n = 2523 764 digits
n = 4419 1335 digits 1993 Jeffrey Young
n = 4899 1479 digits 1993 Jeffrey Young
n = 8319 2509 digits
n = 8753 2639 digits
n = 11405 3438 digits
n = 11873 3579 digits
n = 13135 3958 digits
n = 13927 4197 digits
n = 18153 5469 digits
n = 24293 7317 digits
n = 29753 8961 digits
n = 32815 9883 digits
n = 51605 15539 digits
n = 81847 24643 digits
n = 89379 26910 digits
n = 116239 34996 digits
n = 187903 56569 digits
n = 599969 180613 digits Jan 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 633725 190775 digits Feb 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 911729 274462 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1343849 404543 digits Jul 2015 Masumi Hamada; PSieve; srsieve; PrimeGrid; LLR
n = 1459863 439467 digits Oct 2017 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1615329 486267 digits Jan 2021 James Schumacher; PSieve; srsieve; PrimeGrid; LLR
n = 1744875 525264 digits May 2023 Ryan Propper; PPSE; PrimeGrid
n = 1789515 538702 digits Jan 2024 Yifei Gao; PPSE; PrimeGrid
k: 7891
max n: 2.373.223
n = 4 6 digits
n = 48 19 digits
n = 164 54 digits
n = 560 173 digits
n = 1288 392 digits
n = 3980 1202 digits 1993 Jeffrey Young
n = 4664 1408 digits 1993 Jeffrey Young
n = 5808 1753 digits
n = 10216 3080 digits
n = 77080 23208 digits
n = 124108 37365 digits
n = 168896 50847 digits
n = 222988 67130 digits
n = 282064 84914 digits
n = 285960 86087 digits
n = 408812 123069 digits Sep 2012 PPSE; PrimeGrid
n = 871324 262299 digits May 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 7893
max n: 2.373.171
n = 1 5 digits
n = 2 5 digits
n = 8 7 digits
n = 9 7 digits
n = 22 11 digits
n = 28 13 digits
n = 37 16 digits
n = 52 20 digits
n = 100 35 digits
n = 169 55 digits
n = 212 68 digits
n = 352 110 digits
n = 388 121 digits
n = 812 249 digits
n = 1180 360 digits
n = 1274 388 digits
n = 1340 408 digits
n = 1690 513 digits
n = 1792 544 digits
n = 2574 779 digits
n = 5728 1729 digits
n = 8218 2478 digits
n = 10132 3054 digits
n = 13369 4029 digits
n = 18862 5682 digits
n = 25200 7590 digits
n = 114760 34551 digits
n = 154820 46610 digits
n = 256282 77153 digits
n = 464473 139825 digits Aug 2009 Scott Gilvey; srsieve; PrimeGrid; LLR
n = 527548 158812 digits Jul 2010 Paweł Kaczmarczyk; PSieve; srsieve; PrimeGrid; LLR
n = 969117 291738 digits Aug 2012 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1129222 339934 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1165228 350773 digits Sep 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1223613 368349 digits Dec 2013 Dwight Ringdahl; PSieve; srsieve; PrimeGrid; LLR
n = 1658584 499288 digits Feb 2022 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 7895
max n: 2.373.220
n = 1 5 digits
n = 5 6 digits
n = 17 10 digits
n = 19 10 digits
n = 25 12 digits
n = 29 13 digits
n = 55 21 digits
n = 113 38 digits
n = 209 67 digits
n = 269 85 digits
n = 335 105 digits
n = 371 116 digits
n = 461 143 digits
n = 625 193 digits
n = 2729 826 digits
n = 3383 1023 digits 1993 Jeffrey Young
n = 4387 1325 digits 1993 Jeffrey Young
n = 5857 1768 digits
n = 6073 1833 digits
n = 10991 3313 digits
n = 14957 4507 digits
n = 22453 6763 digits
n = 23413 7052 digits
n = 24197 7288 digits
n = 32885 9904 digits
n = 42913 12922 digits
n = 80327 24185 digits
n = 132775 39974 digits
n = 137737 41467 digits
n = 145907 43927 digits
n = 159577 48042 digits
n = 815621 245531 digits Apr 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1167497 351456 digits Sep 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1377319 414619 digits Feb 2016 Rick Reynolds; PSieve; srsieve; PrimeGrid; LLR
k: 7897
max n: 2.372.673
n = 6 6 digits
n = 18 10 digits
n = 26 12 digits
n = 38 16 digits
n = 44 18 digits
n = 64 24 digits
n = 94 33 digits
n = 146 48 digits
n = 178 58 digits
n = 226 72 digits
n = 244 78 digits
n = 644 198 digits
n = 728 224 digits
n = 1046 319 digits
n = 1188 362 digits
n = 1458 443 digits
n = 2268 687 digits
n = 4984 1505 digits 1993 Jeffrey Young
n = 6266 1891 digits
n = 6526 1969 digits
n = 8966 2703 digits
n = 32528 9796 digits
n = 34958 10528 digits
n = 37486 11289 digits
n = 41114 12381 digits
n = 51248 15432 digits
n = 58518 17620 digits
n = 59508 17918 digits
n = 64288 19357 digits
n = 70714 21291 digits
n = 92144 27743 digits
n = 132214 39805 digits
n = 178074 53610 digits
n = 233638 70336 digits
n = 356906 107444 digits May 2012 PPSE; PrimeGrid
n = 441468 132900 digits Dec 2012 Oleksandr Vynogradov; PPSE; PrimeGrid
n = 691994 208315 digits Sep 2011 James Nobis; PSieve; srsieve; PrimeGrid; LLR
n = 3471568 1045050 digits Jun 2023 Wes Hewitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7899
max n: 2.372.782
n = 6 6 digits
n = 9 7 digits
n = 11 8 digits
n = 14 9 digits
n = 18 10 digits
n = 47 19 digits
n = 54 21 digits
n = 107 37 digits
n = 122 41 digits
n = 131 44 digits
n = 167 55 digits
n = 242 77 digits
n = 438 136 digits
n = 561 173 digits
n = 641 197 digits
n = 4022 1215 digits 1993 Jeffrey Young
n = 6083 1836 digits
n = 6378 1924 digits
n = 11249 3391 digits May 1996 Patrick Demichel
n = 15386 4636 digits
n = 15498 4670 digits
n = 20133 6065 digits
n = 40526 12204 digits
n = 40742 12269 digits
n = 41891 12615 digits
n = 53082 15984 digits
n = 59141 17808 digits
n = 59817 18011 digits
n = 131579 39614 digits
n = 134711 40556 digits
n = 322283 97021 digits
n = 349341 105167 digits Apr 2012 Honza Cholt; PPSE; PrimeGrid
n = 622031 187254 digits Feb 2011 Peter Trend; PSieve; srsieve; PrimeGrid; LLR
n = 1000499 301185 digits Sep 2012 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 3380459 1017624 digits Oct 2021 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7901
max n: 2.372.840
n = 1 5 digits
n = 9 7 digits
n = 15 9 digits
n = 21 11 digits
n = 75 27 digits
n = 91 32 digits
n = 99 34 digits
n = 105 36 digits
n = 121 41 digits
n = 295 93 digits
n = 465 144 digits
n = 735 226 digits
n = 1261 384 digits
n = 4921 1486 digits 1993 Jeffrey Young
n = 57021 17169 digits
n = 60451 18202 digits
n = 106441 32046 digits
n = 111699 33629 digits
n = 119889 36095 digits
n = 138315 41641 digits
n = 180795 54429 digits
n = 282715 85110 digits
n = 721015 217052 digits Nov 2011 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1371289 412804 digits Dec 2015 Jan Gniesmer; PSieve; srsieve; PrimeGrid; LLR
n = 1409209 424219 digits Jun 2016 Pavel Štěpnička; PSieve; srsieve; PrimeGrid; LLR
k: 7903
max n: 2.373.379
n = 16 9 digits
n = 1096 334 digits
n = 1478 449 digits
n = 6500 1961 digits
n = 6808 2054 digits Mar 1996 Patrick Demichel
n = 9968 3005 digits
n = 12886 3883 digits
n = 14216 4284 digits
n = 18968 5714 digits
n = 22438 6759 digits
n = 28418 8559 digits
n = 64240 19343 digits
n = 73876 22243 digits
n = 79878 24050 digits
n = 759388 228603 digits Feb 2012 Tomo Koscak; PSieve; srsieve; PrimeGrid; LLR
k: 7905
max n: 2.372.650
n = 3 5 digits
n = 4 6 digits
n = 11 8 digits
n = 13 8 digits
n = 14 9 digits
n = 19 10 digits
n = 20 10 digits
n = 22 11 digits
n = 24 12 digits
n = 31 14 digits
n = 32 14 digits
n = 33 14 digits
n = 35 15 digits
n = 41 17 digits
n = 50 19 digits
n = 65 24 digits
n = 91 32 digits
n = 111 38 digits
n = 130 44 digits
n = 140 47 digits
n = 147 49 digits
n = 184 60 digits
n = 185 60 digits
n = 252 80 digits
n = 500 155 digits
n = 559 173 digits
n = 662 204 digits
n = 936 286 digits
n = 1289 392 digits
n = 1295 394 digits
n = 1346 410 digits
n = 1484 451 digits
n = 1846 560 digits
n = 2572 779 digits
n = 2650 802 digits
n = 5669 1711 digits
n = 5909 1783 digits
n = 7100 2142 digits
n = 8474 2555 digits
n = 9735 2935 digits
n = 10394 3133 digits
n = 11342 3419 digits
n = 13465 4058 digits
n = 15665 4720 digits
n = 16684 5027 digits
n = 19220 5790 digits
n = 30365 9145 digits
n = 36520 10998 digits
n = 39115 11779 digits
n = 41007 12349 digits
n = 41271 12428 digits
n = 48120 14490 digits
n = 50100 15086 digits
n = 51631 15547 digits
n = 56422 16989 digits
n = 56989 17160 digits
n = 73589 22157 digits
n = 76049 22897 digits
n = 92711 27913 digits
n = 101800 30649 digits
n = 140230 42218 digits
n = 160593 48348 digits
n = 168744 50801 digits
n = 169306 50971 digits
n = 183636 55284 digits
n = 184196 55453 digits
n = 238744 71874 digits
n = 242281 72938 digits
n = 277052 83405 digits
n = 352281 106052 digits May 2012 James Boerner; PSieve; srsieve; PrimeGrid; LLR
n = 404321 121717 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 465845 140238 digits Jun 2009 Mirko Wunder; srsieve; PrimeGrid; LLR
n = 511292 153919 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 519082 156264 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 577135 173739 digits Nov 2010 Joshua Brandelle Sklare; PSieve; srsieve; PrimeGrid; LLR
n = 600671 180824 digits Jan 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 678711 204317 digits Aug 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 700427 210854 digits Mar 2010 Paul Steffener; PPSE; PrimeGrid
n = 744230 224040 digits Feb 2012 Andrew Mennerich; PSieve; srsieve; PrimeGrid; LLR
n = 868916 261574 digits May 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 875872 263668 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1024025 308267 digits Oct 2012 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1196099 360066 digits Nov 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1216342 366160 digits Dec 2013 Robert Hovden; PSieve; srsieve; PrimeGrid; LLR
n = 1278334 384821 digits Jun 2014 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1487319 447732 digits Mar 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 1991912 599630 digits Sep 2024 Jean Sébastien Delisle; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2070623 623324 digits Jan 2025 Tom Greer; PPSE; PrimeGrid
k: 7907
max n: 2.373.391
n = 7 7 digits
n = 15 9 digits
n = 23 11 digits
n = 575 177 digits
n = 1767 536 digits
n = 4223 1276 digits 1993 Jeffrey Young
n = 10855 3272 digits
n = 12751 3843 digits
n = 47503 14304 digits
n = 51431 15487 digits
n = 107143 32258 digits
n = 130903 39410 digits
n = 547551 164834 digits Sep 2010 Shoya Ueda; PSieve; srsieve; PrimeGrid; LLR
n = 704407 212052 digits Sep 2011 Mike Parker; PSieve; srsieve; PrimeGrid; LLR
n = 1454087 437728 digits Jul 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3458207 1041028 digits Feb 2023 Eric Nietering; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7909
max n: 2.372.805
n = 2174 659 digits
n = 151382 45575 digits
n = 160150 48214 digits
n = 518582 156113 digits Jun 2010 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
k: 7911
max n: 2.372.786
n = 1 5 digits
n = 5 6 digits
n = 8 7 digits
n = 9 7 digits
n = 12 8 digits
n = 20 10 digits
n = 36 15 digits
n = 37 16 digits
n = 47 19 digits
n = 49 19 digits
n = 51 20 digits
n = 71 26 digits
n = 107 37 digits
n = 157 52 digits
n = 387 121 digits
n = 491 152 digits
n = 513 159 digits
n = 720 221 digits
n = 771 236 digits
n = 780 239 digits
n = 1356 413 digits
n = 1469 447 digits
n = 1541 468 digits
n = 2463 746 digits
n = 4045 1222 digits 1993 Jeffrey Young
n = 5077 1533 digits
n = 7892 2380 digits
n = 8087 2439 digits
n = 9001 2714 digits
n = 9351 2819 digits
n = 9707 2926 digits
n = 10669 3216 digits
n = 15849 4775 digits
n = 34637 10431 digits
n = 46896 14122 digits
n = 62996 18968 digits
n = 69673 20978 digits
n = 81100 24418 digits
n = 95320 28699 digits
n = 163441 49205 digits
n = 180300 54280 digits
n = 222032 66843 digits
n = 274856 82744 digits
n = 290135 87344 digits
n = 402525 121176 digits Jul 2012 Dirk Dhuyvetters; PPSE; PrimeGrid
n = 451005 135770 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 452348 136175 digits May 2009 Douglas A. Wood; srsieve; PrimeGrid; LLR
n = 464701 139893 digits Aug 2009 Aaron Pollock; srsieve; PrimeGrid; LLR
n = 692436 208448 digits Sep 2011 Tod Slakans; PSieve; srsieve; PrimeGrid; LLR
n = 725675 218454 digits Feb 2012 Jan Fiedler; PSieve; srsieve; PrimeGrid; LLR
n = 740561 222935 digits Feb 2012 Rene Schick; PSieve; srsieve; PrimeGrid; LLR
n = 860273 258972 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1192348 358937 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1317303 396552 digits Feb 2015 Rene Schick; PSieve; srsieve; PrimeGrid; LLR
n = 2163617 651318 digits Feb 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3347532 1007712 digits Feb 2021 Takeshi Nakamura; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7913
max n: 2.373.404
n = 125 42 digits
n = 405 126 digits
n = 4637 1400 digits 1993 Jeffrey Young
n = 355821 107117 digits May 2012 David Yost; PPSE; PrimeGrid
n = 773037 232712 digits Feb 2012 Lammert van der Veen; PSieve; srsieve; PrimeGrid; LLR
n = 2013405 606100 digits Nov 2024 Gregory Bennett; PPSE; PrimeGrid
k: 7915
max n: 2.372.981
n = 4 6 digits
n = 12 8 digits
n = 22 11 digits
n = 24 12 digits
n = 28 13 digits
n = 40 16 digits
n = 232 74 digits
n = 238 76 digits
n = 1470 447 digits
n = 1800 546 digits
n = 3468 1048 digits 1993 Jeffrey Young
n = 3834 1159 digits 1993 Jeffrey Young
n = 5112 1543 digits
n = 7800 2352 digits
n = 11730 3535 digits
n = 28710 8647 digits
n = 47658 14351 digits
n = 90420 27224 digits
n = 224364 67545 digits
n = 289084 87027 digits
n = 973740 293129 digits Aug 2012 Matthew Dyer; PSieve; srsieve; PrimeGrid; LLR
n = 1442404 434211 digits Feb 2017 Shaun Cox; PSieve; srsieve; PrimeGrid; LLR
n = 2301034 692685 digits Aug 2025 David Perek; PPSE; PrimeGrid
k: 7917
max n: 2.372.526
n = 3 5 digits
n = 6 6 digits
n = 7 7 digits
n = 11 8 digits
n = 18 10 digits
n = 19 10 digits
n = 54 21 digits
n = 56 21 digits
n = 67 25 digits
n = 74 27 digits
n = 78 28 digits
n = 98 34 digits
n = 123 41 digits
n = 175 57 digits
n = 187 61 digits
n = 316 100 digits
n = 406 127 digits
n = 466 145 digits
n = 516 160 digits
n = 567 175 digits
n = 600 185 digits
n = 939 287 digits
n = 1114 340 digits
n = 1839 558 digits
n = 1900 576 digits
n = 1920 582 digits
n = 2399 727 digits
n = 3995 1207 digits 1993 Jeffrey Young
n = 4894 1478 digits 1993 Jeffrey Young
n = 5067 1530 digits
n = 6239 1883 digits
n = 8438 2544 digits
n = 12110 3650 digits
n = 28214 8498 digits
n = 32056 9654 digits
n = 52975 15951 digits
n = 54031 16269 digits
n = 56759 17091 digits
n = 86023 25900 digits
n = 97364 29314 digits
n = 97706 29417 digits
n = 139483 41993 digits
n = 244214 73520 digits
n = 472407 142213 digits Oct 2009 Corinna Klausing; srsieve; PrimeGrid; LLR
n = 529667 159450 digits Jul 2010 Alexander Kappner; PSieve; srsieve; PrimeGrid; LLR
n = 624256 187924 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 945187 284534 digits Jul 2012 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
n = 1474334 443823 digits Feb 2018 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 1491824 449088 digits Jun 2018 Brian Parsonnet; PSieve; srsieve; PrimeGrid; LLR
n = 1684436 507070 digits Apr 2022 Takashi Iwasaki; PPSE; PrimeGrid
n = 1824055 549100 digits Jan 2024 Hiroki Saito; PPSE; PrimeGrid
n = 2027696 610402 digits Dec 2024 Dawid Kwiatkowski; PPSE; PrimeGrid
n = 2219898 668260 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3415947 1028307 digits Apr 2022 Shawn Schafer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7919
max n: 2.371.726
n = 3 5 digits
n = 31 14 digits
n = 33 14 digits
n = 57 22 digits
n = 179 58 digits
n = 201 65 digits
n = 213 69 digits
n = 247 79 digits
n = 297 94 digits
n = 319 100 digits
n = 451 140 digits
n = 459 143 digits
n = 603 186 digits
n = 739 227 digits
n = 963 294 digits
n = 1141 348 digits
n = 1285 391 digits
n = 1771 538 digits
n = 2077 630 digits
n = 3141 950 digits
n = 3411 1031 digits 1993 Jeffrey Young
n = 4573 1381 digits 1993 Jeffrey Young
n = 4651 1404 digits 1993 Jeffrey Young
n = 6023 1818 digits
n = 7449 2247 digits
n = 11427 3444 digits
n = 12611 3801 digits
n = 32335 9738 digits
n = 42695 12857 digits
n = 50037 15067 digits
n = 56951 17148 digits
n = 114349 34427 digits
n = 120439 36260 digits
n = 193991 58402 digits
n = 250703 75474 digits
n = 253035 76176 digits
n = 316071 95151 digits
n = 437619 131741 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 450789 135705 digits Apr 2009 Michael Hampicke; srsieve; PrimeGrid; LLR
n = 700255 210802 digits Jan 2010 Brian Carpenter; PSieve; srsieve; PrimeGrid; LLR
n = 736015 221567 digits Feb 2012 Adrian Silo; PSieve; srsieve; PrimeGrid; LLR
n = 983491 296065 digits Sep 2012 Bert Doorn; NewPGen; PrimeGrid; Twin Prime Search; LLR
n = 1032959 310956 digits Jan 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1439439 433319 digits Feb 2017 Karl Josef Tonner; PSieve; srsieve; PrimeGrid; LLR
n = 1827047 550000 digits Jan 2024 Ricky L Hubbard; PPSE; PrimeGrid
k: 7921
max n: 2.373.443
n = 156 51 digits
n = 164 54 digits
n = 188 61 digits
n = 260 83 digits
n = 284 90 digits
n = 396 124 digits
n = 1196 364 digits
n = 3636 1099 digits 1993 Jeffrey Young
n = 7604 2293 digits
n = 17612 5306 digits
n = 68292 20562 digits
n = 1087884 327490 digits May 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
k: 7923
max n: 2.372.863
n = 5 6 digits
n = 10 7 digits
n = 14 9 digits
n = 32 14 digits
n = 80 28 digits
n = 86 30 digits
n = 136 45 digits
n = 230 74 digits
n = 1109 338 digits
n = 1616 491 digits
n = 2030 615 digits
n = 2216 671 digits
n = 2998 907 digits
n = 3566 1078 digits 1993 Jeffrey Young
n = 4840 1461 digits 1993 Jeffrey Young
n = 6464 1950 digits
n = 6629 2000 digits
n = 8960 2702 digits
n = 13490 4065 digits
n = 49526 14913 digits
n = 53458 16097 digits Jun 1999 Tadashi Taura; Proth
n = 71146 21421 digits
n = 91118 27434 digits
n = 118733 35747 digits
n = 119920 36104 digits
n = 138872 41809 digits
n = 141280 42534 digits
n = 176429 53115 digits
n = 208006 62620 digits
n = 208768 62850 digits
n = 566945 170672 digits Nov 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 797573 240098 digits Mar 2012 Adam Smith; PSieve; srsieve; PrimeGrid; LLR
n = 946445 284913 digits Jul 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1624784 489113 digits Feb 2021 Juha Hauhia; PSieve; srsieve; PrimeGrid; LLR
n = 1638838 493344 digits May 2021 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
k: 7925
max n: 2.372.872
n = 5 6 digits
n = 9 7 digits
n = 17 10 digits
n = 19 10 digits
n = 55 21 digits
n = 169 55 digits
n = 177 58 digits
n = 209 67 digits
n = 369 115 digits
n = 529 164 digits
n = 833 255 digits
n = 1097 335 digits
n = 1955 593 digits
n = 2145 650 digits
n = 2903 878 digits
n = 3607 1090 digits 1993 Jeffrey Young
n = 10737 3237 digits
n = 11135 3356 digits
n = 11337 3417 digits
n = 15069 4541 digits
n = 15609 4703 digits
n = 15677 4724 digits
n = 23897 7198 digits
n = 24715 7444 digits
n = 29229 8803 digits
n = 35075 10563 digits
n = 155867 46925 digits
n = 171385 51596 digits
n = 197933 59588 digits
n = 213359 64232 digits
n = 236705 71260 digits
n = 299285 90098 digits
n = 345633 104050 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 368009 110786 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 413603 124511 digits Oct 2012 Bart Kus; PPSE; PrimeGrid
n = 447269 134646 digits Jan 2013 Nikolaos Derziotis; PPSE; PrimeGrid
n = 618425 186169 digits Jan 2011 Daniel Schemmel; PSieve; srsieve; PrimeGrid; LLR
n = 764839 230244 digits Feb 2012 Maarten de Jong; PSieve; srsieve; PrimeGrid; LLR
n = 860405 259012 digits May 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
k: 7927
max n: 2.372.891
n = 6 6 digits
n = 12 8 digits
n = 26 12 digits
n = 50 19 digits
n = 72 26 digits
n = 122 41 digits
n = 192 62 digits
n = 252 80 digits
n = 462 143 digits
n = 1092 333 digits
n = 2292 694 digits
n = 3516 1063 digits 1993 Jeffrey Young
n = 6636 2002 digits
n = 7394 2230 digits
n = 8616 2598 digits May 1996 Patrick Demichel
n = 12006 3619 digits
n = 17856 5380 digits
n = 21230 6395 digits
n = 32450 9773 digits
n = 58386 17580 digits
n = 66792 20111 digits
n = 138306 41639 digits
n = 144962 43642 digits
n = 156012 46969 digits
n = 1159482 349043 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1654212 497972 digits Jan 2022 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2327640 700694 digits Dec 2025 Gerry Michaud; PPSE; PrimeGrid
k: 7929
max n: 2.372.694
n = 1 5 digits
n = 34 15 digits
n = 42 17 digits
n = 58 22 digits
n = 61 23 digits
n = 78 28 digits
n = 153 50 digits
n = 190 62 digits
n = 214 69 digits
n = 234 75 digits
n = 250 80 digits
n = 258 82 digits
n = 457 142 digits
n = 534 165 digits
n = 573 177 digits
n = 685 211 digits
n = 1110 339 digits
n = 2842 860 digits
n = 3274 990 digits
n = 4342 1311 digits 1993 Jeffrey Young
n = 5043 1522 digits
n = 8271 2494 digits
n = 11077 3339 digits
n = 11638 3508 digits
n = 21021 6332 digits
n = 26827 8080 digits
n = 37854 11400 digits
n = 50641 15249 digits
n = 78690 23692 digits
n = 145998 43954 digits
n = 222963 67123 digits
n = 226521 68194 digits
n = 265611 79961 digits
n = 270025 81290 digits
n = 298678 89915 digits
n = 307482 92566 digits
n = 559947 168565 digits Oct 2010 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 740835 223018 digits Feb 2012 Eugeny Mamonov; PSieve; srsieve; PrimeGrid; LLR
n = 1068955 321792 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1246095 375116 digits Feb 2014 Michael Millerick; PSieve; srsieve; PrimeGrid; LLR
k: 7931
max n: 2.372.394
n = 41 17 digits
n = 175 57 digits
n = 193 62 digits
n = 283 90 digits
n = 401 125 digits
n = 631 194 digits
n = 699 215 digits
n = 1001 306 digits
n = 1273 388 digits
n = 1507 458 digits
n = 1529 465 digits
n = 1705 518 digits
n = 1823 553 digits
n = 2809 850 digits
n = 4443 1342 digits 1993 Jeffrey Young
n = 4659 1407 digits 1993 Jeffrey Young
n = 14899 4489 digits
n = 16075 4843 digits
n = 16607 5004 digits
n = 17113 5156 digits
n = 20257 6102 digits
n = 30551 9201 digits
n = 92641 27892 digits
n = 101331 30508 digits
n = 276665 83289 digits
n = 301059 90632 digits
n = 655859 197438 digits Mar 2011 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 723147 217693 digits Nov 2011 Jim Foody; PSieve; srsieve; PrimeGrid; LLR
n = 1475259 444102 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 1902259 572641 digits Feb 2024 LLR2; PPSE; PrimeGrid
k: 7933
max n: 2.372.655
n = 6 6 digits
n = 22 11 digits
n = 300 95 digits
n = 306 97 digits
n = 408 127 digits
n = 520 161 digits
n = 2398 726 digits
n = 6336 1912 digits
n = 12612 3801 digits
n = 12640 3809 digits
n = 17422 5249 digits
n = 20588 6202 digits
n = 38982 11739 digits
n = 39928 12024 digits
n = 58702 17675 digits
n = 81372 24500 digits
n = 123176 37084 digits
n = 142788 42988 digits
n = 147528 44415 digits
n = 300356 90421 digits
n = 341580 102830 digits Apr 2012 Ronny Willig; PPSE; PrimeGrid
n = 362622 109164 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 545900 164337 digits Sep 2010 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 678550 204268 digits Aug 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1724352 519086 digits Dec 2022 Randall Scalise; PPSE; PrimeGrid
n = 3337270 1004623 digits Aug 2020 Bruce E. Slade; PSieve; srsieve; PrimeGrid; LLR
k: 7935
max n: 2.372.817
n = 2 5 digits
n = 4 6 digits
n = 17 10 digits
n = 28 13 digits
n = 32 14 digits
n = 37 16 digits
n = 39 16 digits
n = 52 20 digits
n = 79 28 digits
n = 127 43 digits
n = 146 48 digits
n = 209 67 digits
n = 301 95 digits
n = 544 168 digits
n = 584 180 digits
n = 674 207 digits
n = 769 236 digits
n = 792 243 digits
n = 864 264 digits
n = 1024 313 digits
n = 1248 380 digits
n = 1391 423 digits
n = 1456 443 digits
n = 1949 591 digits
n = 1972 598 digits
n = 2194 665 digits
n = 7511 2265 digits
n = 7562 2281 digits
n = 12951 3903 digits
n = 14722 4436 digits
n = 16352 4927 digits
n = 21274 6409 digits
n = 21852 6583 digits
n = 23032 6938 digits
n = 24264 7309 digits
n = 31219 9402 digits
n = 32924 9916 digits
n = 41869 12608 digits
n = 47177 14206 digits
n = 49841 15008 digits Jun 1999 Tadashi Taura; Proth
n = 50657 15254 digits Jun 1999 Baptiste Heyman; Proth
n = 56271 16944 digits
n = 68834 20725 digits May 2000 James Carpenter; Proth
n = 71914 21653 digits
n = 86737 26115 digits
n = 144016 43358 digits
n = 192687 58009 digits
n = 196551 59172 digits
n = 271751 81810 digits
n = 385057 115918 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 433301 130441 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 538346 162063 digits Aug 2010 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 659188 198440 digits Mar 2011 Olexander Belogourov; PSieve; srsieve; PrimeGrid; LLR
n = 708322 213231 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 787082 236940 digits Mar 2012 Victor Lee; PSieve; srsieve; PrimeGrid; LLR
n = 916261 275826 digits Jun 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 948157 285428 digits Jul 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1054458 317428 digits May 2013 Takahito Matsumoto; PSieve; srsieve; PrimeGrid; LLR
n = 1383601 416510 digits Feb 2016 Jonathan Fields; PSieve; srsieve; PrimeGrid; LLR
n = 1447866 435855 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1891047 569266 digits Feb 2024 Paul York; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1954741 588440 digits Apr 2024 Yankton Robins; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3348578 1008027 digits Feb 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7937
max n: 2.372.699
n = 11 8 digits
n = 35 15 digits
n = 179 58 digits
n = 7763 2341 digits May 1996 Patrick Demichel
k: 7939
max n: 2.372.969
n = 6 6 digits
n = 14 9 digits
n = 30 13 digits
n = 278 88 digits
n = 606 187 digits
n = 806 247 digits
n = 2198 666 digits
n = 2234 677 digits
n = 5858 1768 digits
n = 6470 1952 digits
n = 32138 9679 digits
n = 37130 11182 digits
n = 81746 24612 digits
n = 439886 132423 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 943710 284089 digits Jul 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
k: 7941
max n: 2.372.623
n = 17 10 digits
n = 29 13 digits
n = 33 14 digits
n = 81 29 digits
n = 84 30 digits
n = 159 52 digits
n = 168 55 digits
n = 296 94 digits
n = 1461 444 digits
n = 2544 770 digits
n = 2625 795 digits
n = 2636 798 digits
n = 5357 1617 digits
n = 9441 2846 digits
n = 10341 3117 digits
n = 20816 6271 digits
n = 24069 7250 digits
n = 29996 9034 digits
n = 61407 18490 digits
n = 116945 35208 digits
n = 136721 41162 digits
n = 194673 58607 digits
n = 267384 80495 digits
n = 341223 102723 digits Apr 2012 Ronny Willig; PPSE; PrimeGrid
n = 604272 181908 digits Jan 2011 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 715664 215441 digits Nov 2011 Frank Matillek; PSieve; srsieve; PrimeGrid; LLR
n = 1051985 316683 digits May 2013 Kenneth J. Brazier; PSieve; srsieve; PrimeGrid; LLR
n = 1416633 426453 digits Aug 2016 Stan Hebr; PSieve; srsieve; PrimeGrid; LLR
n = 1980816 596289 digits Jul 2024 Kevin Wyn; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2291448 689799 digits Jul 2025 Robert Meckley; PPSE; PrimeGrid
k: 7943
max n: 2.373.428
n = 1 5 digits
n = 49 19 digits
n = 1153 351 digits
n = 9529 2873 digits
n = 25737 7752 digits
n = 199029 59918 digits
k: 7945
max n: 2.372.861
n = 34 15 digits
n = 36 15 digits
n = 54 21 digits
n = 96 33 digits
n = 98 34 digits
n = 126 42 digits
n = 216 69 digits
n = 270 86 digits
n = 358 112 digits
n = 494 153 digits
n = 526 163 digits
n = 638 196 digits
n = 1026 313 digits
n = 1644 499 digits
n = 1660 504 digits
n = 2070 628 digits
n = 2166 656 digits
n = 2442 740 digits
n = 2530 766 digits
n = 2854 864 digits
n = 3250 983 digits
n = 6282 1895 digits
n = 9162 2762 digits
n = 12284 3702 digits
n = 12384 3732 digits
n = 22294 6716 digits
n = 23470 7070 digits
n = 41644 12540 digits
n = 42162 12696 digits
n = 78724 23703 digits
n = 94942 28585 digits
n = 97370 29316 digits
n = 104338 31413 digits
n = 126520 38091 digits
n = 143666 43252 digits
n = 393228 118378 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 399948 120401 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 509830 153479 digits May 2010 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 525394 158164 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 554328 166874 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 672088 202323 digits Jun 2011 Michael Sherman; PSieve; srsieve; PrimeGrid; LLR
n = 686278 206595 digits Aug 2011 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 796660 239823 digits Mar 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 993914 299202 digits Sep 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1106622 333131 digits Jul 2013 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 1361130 409745 digits Oct 2015 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1501112 451884 digits Sep 2018 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 1799052 541573 digits Jan 2024 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2139992 644206 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2364840 711892 digits May 2026 David Perek; PPSE; PrimeGrid
k: 7947
max n: 2.372.634
n = 3 5 digits
n = 8 7 digits
n = 22 11 digits
n = 23 11 digits
n = 24 12 digits
n = 38 16 digits
n = 60 22 digits
n = 66 24 digits
n = 68 25 digits
n = 114 39 digits
n = 118 40 digits
n = 130 44 digits
n = 167 55 digits
n = 180 59 digits
n = 218 70 digits
n = 222 71 digits
n = 360 113 digits
n = 438 136 digits
n = 598 184 digits
n = 1056 322 digits
n = 1499 456 digits
n = 1670 507 digits
n = 2132 646 digits
n = 2627 795 digits
n = 3944 1192 digits 1993 Jeffrey Young
n = 4738 1431 digits 1993 Jeffrey Young
n = 5000 1510 digits 1993 Jeffrey Young
n = 10258 3092 digits
n = 11259 3394 digits May 1996 Patrick Demichel
n = 11470 3457 digits
n = 14816 4464 digits
n = 15224 4587 digits
n = 23734 7149 digits
n = 24792 7468 digits
n = 29784 8970 digits
n = 30462 9174 digits
n = 39330 11844 digits
n = 45490 13698 digits
n = 46247 13926 digits
n = 48788 14691 digits
n = 49438 14887 digits
n = 86606 26075 digits
n = 90726 27316 digits
n = 92340 27802 digits
n = 93570 28172 digits
n = 94866 28562 digits
n = 166307 50068 digits
n = 251459 75701 digits
n = 283154 85242 digits
n = 335407 100972 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 359498 108224 digits May 2012 PPSE; PrimeGrid
n = 371519 111843 digits May 2012 PPSE; PrimeGrid
n = 437215 131619 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 438027 131864 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 476178 143348 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 692484 208463 digits Sep 2011 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 814542 245206 digits Mar 2012 Dave Sunderland; PSieve; srsieve; PrimeGrid; LLR
n = 987912 297396 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1139268 342958 digits Aug 2013 Justin Keenan; PSieve; srsieve; PrimeGrid; LLR
n = 1246023 375095 digits Feb 2014 Aleksander Makowski; PSieve; srsieve; PrimeGrid; LLR
n = 1397542 420706 digits Mar 2016 ZinSig Kim; PSieve; srsieve; PrimeGrid; LLR
n = 2044920 615587 digits Jan 2025 Zack Friedrichsen; PPSE; PrimeGrid
n = 2115962 636972 digits Jan 2025 George Burtner; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7949
max n: 2.372.794
n = 5 6 digits
n = 7 7 digits
n = 11 8 digits
n = 27 13 digits
n = 59 22 digits
n = 77 28 digits
n = 101 35 digits
n = 151 50 digits
n = 187 61 digits
n = 243 78 digits
n = 305 96 digits
n = 329 103 digits
n = 503 156 digits
n = 1087 332 digits
n = 1199 365 digits
n = 2489 754 digits
n = 7319 2208 digits May 1996 Patrick Demichel
n = 8803 2654 digits
n = 9665 2914 digits
n = 9891 2982 digits
n = 10163 3064 digits
n = 18979 5718 digits
n = 27215 8197 digits
n = 35357 10648 digits
n = 36675 11045 digits
n = 37723 11360 digits
n = 52811 15902 digits
n = 61523 18525 digits
n = 77207 23246 digits
n = 115267 34703 digits
n = 133119 40077 digits
n = 144371 43464 digits
n = 157095 47295 digits
n = 259007 77973 digits
n = 455957 137261 digits May 2009 Jochen Beck; srsieve; PrimeGrid; LLR
n = 500303 150611 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 594775 179050 digits Dec 2010 Kingsley Jarrett; PSieve; srsieve; PrimeGrid; LLR
n = 667685 200998 digits Apr 2011 Franck Journé; PSieve; srsieve; PrimeGrid; LLR
n = 929003 279662 digits Jul 2012 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 1385087 416957 digits Feb 2016 Dennis Bischof; PSieve; srsieve; PrimeGrid; LLR
n = 1814195 546132 digits Jan 2024 Wes Hewitt; PPSE; PrimeGrid
n = 1884995 567444 digits Feb 2024 Arne Sielemann; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7951
max n: 2.372.623
n = 4 6 digits
n = 88 31 digits
n = 500 155 digits
n = 4804 1451 digits 1993 Jeffrey Young
n = 37144 11186 digits
n = 173588 52260 digits
n = 1384792 416868 digits Feb 2016 Alen Kecic; PSieve; srsieve; PrimeGrid; LLR
k: 7953
max n: 2.372.668
n = 1 5 digits
n = 4 6 digits
n = 12 8 digits
n = 14 9 digits
n = 17 10 digits
n = 22 11 digits
n = 24 12 digits
n = 28 13 digits
n = 37 16 digits
n = 46 18 digits
n = 62 23 digits
n = 112 38 digits
n = 130 44 digits
n = 132 44 digits
n = 216 69 digits
n = 264 84 digits
n = 290 92 digits
n = 314 99 digits
n = 396 124 digits
n = 504 156 digits
n = 1154 352 digits
n = 1408 428 digits
n = 1714 520 digits
n = 2190 664 digits
n = 2486 753 digits
n = 3316 1003 digits 1993 Jeffrey Young
n = 3941 1191 digits 1993 Jeffrey Young
n = 4010 1212 digits 1993 Jeffrey Young
n = 4601 1389 digits 1993 Jeffrey Young
n = 5653 1706 digits
n = 5797 1749 digits
n = 9996 3013 digits
n = 15149 4565 digits
n = 17484 5268 digits
n = 18050 5438 digits
n = 31668 9537 digits
n = 60886 18333 digits
n = 72258 21756 digits
n = 77318 23279 digits
n = 142201 42811 digits
n = 194316 58499 digits
n = 206958 62305 digits
n = 263008 79178 digits
n = 329754 99270 digits
n = 381870 114959 digits Apr 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 419513 126290 digits Oct 2012 Honza Cholt; PPSE; PrimeGrid
n = 808776 243470 digits Mar 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 916366 275858 digits Jun 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 942489 283722 digits Jul 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 987301 297212 digits Sep 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1102094 331768 digits Jul 2013 Vladyslav Siaber; PSieve; srsieve; PrimeGrid; LLR
n = 1596361 480557 digits Sep 2020 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 2277201 685510 digits May 2025 Frank Doornink; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7955
max n: 2.372.600
n = 9 7 digits
n = 21 11 digits
n = 63 23 digits
n = 77 28 digits
n = 95 33 digits
n = 149 49 digits
n = 159 52 digits
n = 417 130 digits
n = 749 230 digits
n = 897 274 digits
n = 1049 320 digits
n = 2201 667 digits
n = 2585 783 digits
n = 3261 986 digits
n = 7557 2279 digits
n = 7925 2390 digits
n = 18767 5654 digits
n = 25157 7577 digits
n = 25695 7739 digits
n = 30785 9272 digits
n = 37613 11327 digits
n = 53163 16008 digits
n = 176067 53006 digits
n = 184203 55455 digits
n = 355041 106882 digits May 2012 David Yost; PPSE; PrimeGrid
n = 689283 207499 digits Aug 2011 Henrik Kleemann; PSieve; srsieve; PrimeGrid; LLR
n = 707019 212838 digits Sep 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 785697 236523 digits Mar 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 853101 256813 digits May 2012 Renato Chagas; PSieve; srsieve; PrimeGrid; LLR
n = 2064963 621620 digits Jan 2025 John Hall; PPSE; PrimeGrid
n = 2110289 635265 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7957
max n: 2.373.357
n = 5064 1529 digits 1980 Robert Baillie
n = 7296 2201 digits
n = 13510 4071 digits
n = 148312 44651 digits
k: 7959
max n: 2.372.324
n = 1 5 digits
n = 10 7 digits
n = 15 9 digits
n = 18 10 digits
n = 31 14 digits
n = 49 19 digits
n = 51 20 digits
n = 69 25 digits
n = 133 44 digits
n = 178 58 digits
n = 213 69 digits
n = 293 93 digits
n = 310 98 digits
n = 319 100 digits
n = 490 152 digits
n = 501 155 digits
n = 833 255 digits
n = 1301 396 digits
n = 1813 550 digits
n = 2235 677 digits
n = 2281 691 digits
n = 2373 719 digits
n = 3958 1196 digits 1993 Jeffrey Young
n = 4578 1383 digits 1993 Jeffrey Young
n = 8689 2620 digits
n = 13461 4057 digits
n = 16465 4961 digits
n = 18465 5563 digits
n = 18559 5591 digits
n = 22421 6754 digits
n = 41953 12634 digits
n = 43339 13051 digits
n = 45618 13737 digits
n = 55791 16799 digits
n = 60329 18165 digits
n = 61771 18599 digits
n = 62485 18814 digits
n = 73059 21997 digits
n = 102534 30870 digits
n = 109018 32822 digits
n = 240754 72479 digits
n = 245911 74031 digits
n = 410655 123624 digits Sep 2012 Bart Kus; PPSE; PrimeGrid
n = 462121 139117 digits Jul 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 611893 184203 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 622114 187279 digits Feb 2011 Takashi Iwasaki; PSieve; srsieve; PrimeGrid; LLR
n = 790279 237902 digits Mar 2012 Benjamin Schuchmann; PSieve; srsieve; PrimeGrid; LLR
n = 845190 254432 digits Apr 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 973378 293020 digits Aug 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1203598 362324 digits Dec 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 7961
max n: 2.373.022
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 17 10 digits
n = 19 10 digits
n = 29 13 digits
n = 35 15 digits
n = 39 16 digits
n = 47 19 digits
n = 49 19 digits
n = 53 20 digits
n = 85 30 digits
n = 107 37 digits
n = 119 40 digits
n = 121 41 digits
n = 149 49 digits
n = 353 111 digits
n = 1085 331 digits
n = 1559 474 digits
n = 1907 578 digits
n = 1933 586 digits
n = 2315 701 digits
n = 2753 833 digits
n = 5259 1588 digits
n = 6499 1961 digits
n = 15305 4612 digits
n = 15563 4689 digits
n = 16033 4831 digits
n = 29249 8809 digits
n = 40769 12277 digits
n = 55239 16633 digits
n = 63217 19035 digits
n = 66469 20014 digits
n = 70243 21150 digits
n = 106019 31919 digits
n = 138595 41726 digits
n = 140195 42207 digits
n = 177409 53410 digits
n = 251929 75843 digits
n = 279839 84244 digits
n = 328601 98923 digits
n = 464237 139754 digits Aug 2009 Ian Bartholomew; srsieve; PrimeGrid; LLR
n = 589213 177375 digits Dec 2010 Matthew Bower; PSieve; srsieve; PrimeGrid; LLR
n = 589609 177494 digits Dec 2010 Anand S Nair; PSieve; srsieve; PrimeGrid; LLR
n = 833875 251026 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1053317 317084 digits May 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1169309 352001 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 7963
max n: 2.372.873
n = 6 6 digits
n = 556 172 digits
n = 684 210 digits
n = 792 243 digits
n = 2534 767 digits
n = 2992 905 digits
n = 6932 2091 digits
n = 11194 3374 digits
n = 18664 5623 digits
n = 26644 8025 digits
n = 59144 17809 digits
n = 66312 19966 digits
n = 116912 35198 digits
n = 121512 36583 digits
n = 265392 79895 digits
n = 359674 108277 digits May 2012 PPSE; PrimeGrid
k: 7965
max n: 2.373.039
n = 50 19 digits
n = 80 28 digits
n = 103 35 digits
n = 112 38 digits
n = 146 48 digits
n = 217 70 digits
n = 251 80 digits
n = 280 89 digits
n = 740 227 digits
n = 1346 410 digits
n = 3328 1006 digits 1993 Jeffrey Young
n = 3508 1060 digits 1993 Jeffrey Young
n = 5140 1552 digits
n = 9680 2918 digits
n = 29857 8992 digits
n = 36628 11031 digits
n = 46312 13946 digits
n = 59306 17857 digits Jun 1999 Tadashi Taura; Proth
n = 99080 29830 digits
n = 204983 61710 digits
k: 7967
max n: 2.372.798
n = 3 5 digits
n = 39 16 digits
n = 63 23 digits
n = 159 52 digits
n = 219 70 digits
n = 235 75 digits
n = 255 81 digits
n = 259 82 digits
n = 511 158 digits
n = 1035 316 digits
n = 76579 23057 digits
n = 134791 40581 digits
n = 249391 75079 digits
n = 641359 193073 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 793119 238757 digits Mar 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 906955 273025 digits Jun 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1998135 601503 digits Sep 2024 Michael Millerick; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7969
max n: 2.373.122
n = 74 27 digits
n = 434 135 digits
n = 896906 270000 digits Jun 2012 Bob Hurd; PSieve; srsieve; PrimeGrid; LLR
k: 7971
max n: 2.373.258
n = 9 7 digits
n = 16 9 digits
n = 43 17 digits
n = 49 19 digits
n = 67 25 digits
n = 324 102 digits
n = 652 201 digits
n = 1021 312 digits
n = 3352 1013 digits 1993 Jeffrey Young
n = 4501 1359 digits 1993 Jeffrey Young
n = 6619 1997 digits
n = 7204 2173 digits
n = 8712 2627 digits
n = 9657 2911 digits
n = 14640 4411 digits Feb 1998 Baptiste Heyman; Proth
n = 17689 5329 digits
n = 24163 7278 digits
n = 28201 8494 digits
n = 32401 9758 digits
n = 36184 10897 digits
n = 62053 18684 digits
n = 64741 19493 digits Jun 1999 Tadashi Taura; Proth
n = 82809 24932 digits
n = 170371 51291 digits
n = 380124 114433 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 952905 286857 digits Jul 2012 Koen van Gorp; PSieve; srsieve; PrimeGrid; LLR
n = 1275429 383947 digits Jun 2014 Richard Cervelle; PSieve; srsieve; PrimeGrid; LLR
n = 1911513 575427 digits Feb 2024 George Burtner; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7973
max n: 2.373.304
n = 5 6 digits
n = 25 12 digits
n = 197 64 digits
n = 381 119 digits
n = 521 161 digits
n = 805 247 digits
n = 6217 1876 digits
n = 7161 2160 digits
n = 12121 3653 digits
n = 15097 4549 digits
n = 16377 4934 digits
n = 20817 6271 digits
n = 23353 7034 digits
n = 33453 10075 digits
n = 37997 11443 digits
n = 87773 26427 digits
n = 92425 27827 digits
n = 143377 43165 digits
n = 1292245 389009 digits Sep 2014 Masato Furushima; PSieve; srsieve; PrimeGrid; LLR
k: 7975
max n: 2.373.081
n = 4 6 digits
n = 6 6 digits
n = 8 7 digits
n = 10 7 digits
n = 12 8 digits
n = 16 9 digits
n = 18 10 digits
n = 26 12 digits
n = 40 16 digits
n = 52 20 digits
n = 58 22 digits
n = 64 24 digits
n = 66 24 digits
n = 70 25 digits
n = 84 30 digits
n = 108 37 digits
n = 132 44 digits
n = 152 50 digits
n = 304 96 digits
n = 384 120 digits
n = 472 146 digits
n = 480 149 digits
n = 736 226 digits
n = 788 242 digits
n = 930 284 digits
n = 1042 318 digits
n = 1184 361 digits
n = 1194 364 digits
n = 1512 460 digits
n = 1536 467 digits
n = 2042 619 digits
n = 2968 898 digits
n = 3406 1030 digits 1993 Jeffrey Young
n = 3442 1041 digits 1993 Jeffrey Young
n = 5190 1567 digits
n = 6372 1923 digits
n = 7520 2268 digits
n = 9328 2812 digits
n = 13922 4195 digits
n = 17680 5327 digits
n = 22764 6857 digits
n = 25054 7546 digits
n = 33252 10014 digits
n = 43744 13173 digits
n = 58608 17647 digits
n = 61348 18472 digits
n = 75432 22712 digits
n = 111254 33495 digits
n = 162140 48813 digits
n = 177578 53461 digits
n = 193410 58227 digits
n = 233546 70309 digits
n = 313082 94251 digits
n = 345496 104009 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 635034 191169 digits Feb 2011 Jeff Webster; PSieve; srsieve; PrimeGrid; LLR
n = 696942 209805 digits Sep 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 808080 243261 digits Mar 2012 Robert Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 826596 248835 digits Apr 2012 Ron Eunson; PSieve; srsieve; PrimeGrid; LLR
n = 842502 253623 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1558158 469057 digits Feb 2020 Wes Hewitt; PSieve; srsieve; PrimeGrid; LLR
n = 2351042 707739 digits Mar 2026 Adrian Baker; PPSE; PrimeGrid
k: 7977
max n: 2.372.550
n = 6 6 digits
n = 12 8 digits
n = 19 10 digits
n = 40 16 digits
n = 47 19 digits
n = 127 43 digits
n = 132 44 digits
n = 150 50 digits
n = 191 62 digits
n = 198 64 digits
n = 200 65 digits
n = 216 69 digits
n = 678 209 digits
n = 715 220 digits
n = 931 285 digits
n = 1796 545 digits
n = 1963 595 digits
n = 2288 693 digits
n = 2408 729 digits
n = 2868 868 digits
n = 3451 1043 digits 1993 Jeffrey Young
n = 4495 1358 digits 1993 Jeffrey Young
n = 15659 4718 digits
n = 16800 5062 digits
n = 19939 6007 digits
n = 23112 6962 digits
n = 31952 9623 digits
n = 37518 11298 digits
n = 53868 16220 digits Jun 1999 Tadashi Taura; Proth
n = 53912 16234 digits
n = 55736 16783 digits
n = 65347 19676 digits
n = 97380 29319 digits
n = 130463 39278 digits
n = 148603 44738 digits
n = 165456 49812 digits
n = 185280 55779 digits
n = 201758 60740 digits
n = 340926 102633 digits Apr 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 468358 140994 digits Sep 2009 Sakura Kinomoto; srsieve; PrimeGrid; LLR
n = 567968 170980 digits Nov 2010 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 648080 195096 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 677572 203974 digits Aug 2011 Quasar Liao; PSieve; srsieve; PrimeGrid; LLR
n = 716123 215579 digits Nov 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 736752 221789 digits Feb 2012 Takeshi Nakamura; PSieve; srsieve; PrimeGrid; LLR
n = 771532 232259 digits Feb 2012 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 900408 271054 digits Jun 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1344023 404596 digits Jul 2015 Michele T. Mazzucato; PSieve; srsieve; PrimeGrid; LLR
n = 1374367 413730 digits Jan 2016 Michael Becker; PSieve; srsieve; PrimeGrid; LLR
n = 1531430 461011 digits Feb 2019 Thomas Frase; PSieve; srsieve; PrimeGrid; LLR
n = 1760992 530116 digits Sep 2023 Alex Hogan; PPSE; PrimeGrid
k: 7979
max n: 2.373.264
n = 1 5 digits
n = 5 6 digits
n = 19 10 digits
n = 49 19 digits
n = 95 33 digits
n = 101 35 digits
n = 115 39 digits
n = 157 52 digits
n = 265 84 digits
n = 317 100 digits
n = 511 158 digits
n = 619 191 digits
n = 2165 656 digits
n = 2315 701 digits
n = 3979 1202 digits 1993 Jeffrey Young
n = 5107 1542 digits
n = 6125 1848 digits
n = 10937 3297 digits
n = 11555 3483 digits
n = 13025 3925 digits
n = 20281 6110 digits
n = 28997 8733 digits
n = 64267 19351 digits
n = 132839 39993 digits
n = 157661 47465 digits
n = 200275 60293 digits May 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 250417 75387 digits
n = 300665 90514 digits
n = 736177 221616 digits Feb 2012 William Donovan; PSieve; srsieve; PrimeGrid; LLR
n = 1238639 372872 digits Jan 2014 Robert Collins; PSieve; srsieve; PrimeGrid; LLR
k: 7981
max n: 2.373.460
n = 20 10 digits
n = 32 14 digits
n = 52 20 digits
n = 160 53 digits
n = 172 56 digits
n = 572 177 digits
n = 812 249 digits
n = 2012 610 digits
n = 2144 650 digits
n = 2552 773 digits
n = 3460 1046 digits 1993 Jeffrey Young
n = 5372 1622 digits
n = 7228 2180 digits
n = 10832 3265 digits
n = 39784 11981 digits
n = 51760 15586 digits
n = 104500 31462 digits
n = 162760 49000 digits
n = 227864 68598 digits
k: 7983
max n: 2.372.800
n = 5 6 digits
n = 9 7 digits
n = 33 14 digits
n = 110 38 digits
n = 209 67 digits
n = 480 149 digits
n = 621 191 digits
n = 665 205 digits
n = 833 255 digits
n = 945 289 digits
n = 1413 430 digits
n = 2330 706 digits
n = 2729 826 digits
n = 3981 1203 digits 1993 Jeffrey Young
n = 7490 2259 digits
n = 8576 2586 digits May 1996 Patrick Demichel
n = 11829 3565 digits
n = 12857 3875 digits
n = 13625 4106 digits
n = 13913 4193 digits
n = 16464 4961 digits
n = 16773 5054 digits
n = 25481 7675 digits
n = 44856 13507 digits
n = 51740 15580 digits
n = 64881 19536 digits
n = 110129 33157 digits
n = 129744 39061 digits
n = 133968 40333 digits
n = 136169 40995 digits
n = 197966 59598 digits
n = 222573 67006 digits
n = 350445 105499 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 372480 112132 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 424521 127798 digits Nov 2012 Gary Harris; PPSE; PrimeGrid
n = 1708217 514229 digits Aug 2022 ZinSig Kim; PPSE; PrimeGrid
n = 1825740 549607 digits Jan 2024 Marc Monnin; PPSE; PrimeGrid
k: 7985
max n: 2.372.760
n = 1 5 digits
n = 9 7 digits
n = 13 8 digits
n = 25 12 digits
n = 37 16 digits
n = 49 19 digits
n = 51 20 digits
n = 61 23 digits
n = 63 23 digits
n = 105 36 digits
n = 205 66 digits
n = 207 67 digits
n = 267 85 digits
n = 375 117 digits
n = 421 131 digits
n = 597 184 digits
n = 687 211 digits
n = 771 236 digits
n = 817 250 digits
n = 2895 876 digits
n = 3723 1125 digits 1993 Jeffrey Young
n = 3841 1161 digits 1993 Jeffrey Young
n = 5149 1554 digits
n = 8127 2451 digits
n = 8157 2460 digits May 1996 Patrick Demichel
n = 10725 3233 digits
n = 12453 3753 digits
n = 13507 4070 digits
n = 26653 8028 digits
n = 29467 8875 digits
n = 31723 9554 digits
n = 37525 11301 digits
n = 89275 26879 digits
n = 125449 37768 digits
n = 183141 55135 digits
n = 328753 98969 digits
n = 1119475 337000 digits Aug 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1250517 376448 digits Apr 2014 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 2180809 656493 digits Feb 2025 Kenneth J. Brazier; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7987
max n: 2.373.039
n = 6 6 digits
n = 8 7 digits
n = 34 15 digits
n = 54 21 digits
n = 78 28 digits
n = 80 28 digits
n = 120 41 digits
n = 228 73 digits
n = 336 106 digits
n = 374 117 digits
n = 376 118 digits
n = 468 145 digits
n = 962 294 digits
n = 1040 317 digits
n = 1132 345 digits
n = 3364 1017 digits 1993 Jeffrey Young
n = 5120 1546 digits
n = 6322 1908 digits
n = 11316 3411 digits
n = 14728 4438 digits
n = 16666 5021 digits
n = 21644 6520 digits
n = 40880 12311 digits
n = 100930 30387 digits
n = 135954 40931 digits
n = 159970 48160 digits
n = 188262 56677 digits
n = 197918 59584 digits
n = 199174 59962 digits
n = 213982 64419 digits
n = 214884 64691 digits
n = 218082 65654 digits
n = 499910 150492 digits May 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 509068 153249 digits May 2010 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 591470 178055 digits Dec 2010 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 911166 274293 digits Jun 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1007660 303340 digits Oct 2012 Fedya Bard; PSieve; srsieve; PrimeGrid; LLR
n = 1306430 393279 digits Feb 2015 Tod Slakans; PSieve; srsieve; PrimeGrid; LLR
n = 1465960 441302 digits Jan 2018 Sylvanus A. Zimmerman; PSieve; srsieve; PrimeGrid; LLR
n = 1977924 595419 digits Jul 2024 Charles Jackson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2046202 615973 digits Jan 2025 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2103160 633119 digits Jan 2025 Ian Dickinson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2169608 653121 digits Feb 2025 Gregory Adams; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7989
max n: 2.372.690
n = 2 5 digits
n = 3 5 digits
n = 5 6 digits
n = 6 6 digits
n = 11 8 digits
n = 15 9 digits
n = 18 10 digits
n = 21 11 digits
n = 30 13 digits
n = 41 17 digits
n = 51 20 digits
n = 62 23 digits
n = 75 27 digits
n = 93 32 digits
n = 99 34 digits
n = 110 38 digits
n = 111 38 digits
n = 122 41 digits
n = 133 44 digits
n = 165 54 digits
n = 174 57 digits
n = 183 59 digits
n = 195 63 digits
n = 290 92 digits
n = 438 136 digits
n = 458 142 digits
n = 515 159 digits
n = 531 164 digits
n = 1071 327 digits
n = 1254 382 digits
n = 1463 445 digits
n = 1646 500 digits
n = 1750 531 digits
n = 1829 555 digits
n = 2309 699 digits
n = 3698 1118 digits 1993 Jeffrey Young
n = 3851 1164 digits 1993 Jeffrey Young
n = 6386 1927 digits
n = 7173 2164 digits
n = 10618 3201 digits
n = 13773 4150 digits
n = 14978 4513 digits
n = 17746 5346 digits
n = 18070 5444 digits
n = 19134 5764 digits
n = 21375 6439 digits
n = 27781 8367 digits
n = 30759 9264 digits
n = 44514 13404 digits
n = 46366 13962 digits
n = 55299 16651 digits Jun 1999 Tadashi Taura; Proth
n = 60729 18286 digits Jun 1999 Tadashi Taura; Proth
n = 76443 23016 digits
n = 99473 29949 digits
n = 154409 46486 digits
n = 161733 48691 digits
n = 246782 74293 digits
n = 283134 85236 digits
n = 342131 102996 digits Apr 2012 Rainer Emrich; PPSE; PrimeGrid
n = 552130 166212 digits Sep 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 587229 176778 digits Dec 2010 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 587290 176796 digits Dec 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 801086 241155 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1042911 313952 digits Jan 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1191405 358653 digits Oct 2013 John Morgan Wight; PSieve; srsieve; PrimeGrid; LLR
n = 1347218 405557 digits Jul 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1394735 419861 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1601406 482076 digits Sep 2020 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 1773066 533750 digits Nov 2023 Dr. James Scott Brown; PPSE; PrimeGrid
n = 1775093 534361 digits Nov 2023 Yegor Ryabchikov; PPSE; PrimeGrid
n = 2077991 625542 digits Jan 2025 Alan E. Monroe; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2083390 627167 digits Jan 2025 Takeshi Nakamura; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7991
max n: 2.372.628
n = 3 5 digits
n = 5 6 digits
n = 7 7 digits
n = 9 7 digits
n = 13 8 digits
n = 19 10 digits
n = 35 15 digits
n = 47 19 digits
n = 57 22 digits
n = 153 50 digits
n = 193 63 digits
n = 487 151 digits
n = 507 157 digits
n = 533 165 digits
n = 827 253 digits
n = 855 262 digits
n = 1147 350 digits
n = 1483 451 digits
n = 1933 586 digits
n = 2189 663 digits
n = 2197 666 digits
n = 5859 1768 digits
n = 5943 1793 digits
n = 6859 2069 digits
n = 8363 2522 digits
n = 36617 11027 digits
n = 105463 31752 digits
n = 106637 32105 digits
n = 230293 69330 digits
n = 287363 86509 digits
n = 296893 89378 digits
n = 346797 104401 digits Apr 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 444839 133914 digits Dec 2012 Nikolaos Derziotis; PPSE; PrimeGrid
n = 566459 170526 digits Oct 2010 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 588475 177153 digits Dec 2010 João Rodrigues; PSieve; srsieve; PrimeGrid; LLR
n = 631427 190083 digits Feb 2011 Jakub Łuszczek; PSieve; srsieve; PrimeGrid; LLR
n = 798199 240286 digits Mar 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 984189 296275 digits Sep 2012 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 997477 300275 digits Sep 2012 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1416533 426423 digits Aug 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 7993
max n: 2.373.223
n = 2 5 digits
n = 62 23 digits
n = 502 156 digits
n = 934 286 digits
n = 1580 480 digits
n = 10502 3166 digits
n = 12670 3818 digits
n = 13156 3965 digits
n = 20156 6072 digits
n = 33242 10011 digits
n = 40634 12236 digits
n = 52972 15951 digits
n = 272984 82181 digits
n = 668612 201277 digits Apr 2011 Peter Crickman; PSieve; srsieve; PrimeGrid; LLR
n = 2097056 631281 digits Jan 2025 Allen Paschke; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7995
max n: 2.372.550
n = 1 5 digits
n = 2 5 digits
n = 4 6 digits
n = 5 6 digits
n = 7 7 digits
n = 8 7 digits
n = 25 12 digits
n = 26 12 digits
n = 31 14 digits
n = 35 15 digits
n = 36 15 digits
n = 38 16 digits
n = 47 19 digits
n = 54 21 digits
n = 56 21 digits
n = 73 26 digits
n = 75 27 digits
n = 91 32 digits
n = 111 38 digits
n = 157 52 digits
n = 174 57 digits
n = 187 61 digits
n = 311 98 digits
n = 345 108 digits
n = 371 116 digits
n = 383 120 digits
n = 437 136 digits
n = 526 163 digits
n = 821 252 digits
n = 883 270 digits
n = 965 295 digits
n = 1041 318 digits
n = 1070 327 digits
n = 1085 331 digits
n = 1273 388 digits
n = 1412 429 digits
n = 1481 450 digits
n = 1676 509 digits
n = 1801 547 digits
n = 2413 731 digits
n = 2718 823 digits
n = 2750 832 digits
n = 2796 846 digits
n = 2810 850 digits
n = 2883 872 digits
n = 3083 932 digits
n = 3122 944 digits
n = 3461 1046 digits 1993 Jeffrey Young
n = 3875 1171 digits 1993 Jeffrey Young
n = 5070 1531 digits
n = 5173 1562 digits
n = 6384 1926 digits
n = 6828 2060 digits
n = 7611 2296 digits
n = 10237 3086 digits
n = 11155 3362 digits
n = 36984 11138 digits
n = 42223 12715 digits Jun 1999 Tadashi Taura; Proth
n = 48434 14584 digits
n = 48971 14746 digits
n = 76573 23055 digits
n = 82290 24776 digits
n = 108665 32716 digits
n = 119600 36008 digits
n = 126164 37984 digits
n = 152408 45884 digits
n = 157008 47269 digits
n = 164718 49589 digits
n = 166355 50082 digits
n = 169148 50923 digits
n = 195041 58718 digits
n = 212183 63878 digits
n = 273137 82227 digits
n = 297761 89639 digits
n = 368741 111007 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 382788 115235 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 396591 119390 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 455265 137053 digits May 2009 Ian Dickinson; srsieve; PrimeGrid; LLR
n = 511291 153918 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 544441 163897 digits Aug 2010 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 625577 188322 digits Feb 2011 Glen Martin; PSieve; srsieve; PrimeGrid; LLR
n = 655667 197380 digits Mar 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 767738 231117 digits Feb 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 961213 289358 digits Aug 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1021987 307653 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1302844 392200 digits Feb 2015 Josef Matousek; PSieve; srsieve; PrimeGrid; LLR
n = 1443488 434538 digits Mar 2017 Ken Ito; PSieve; srsieve; PrimeGrid; LLR
n = 1598925 481329 digits Sep 2020 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1716243 516645 digits Oct 2022 Ryan Propper; PPSE; PrimeGrid
n = 1750338 526909 digits Jun 2023 Howard Shi; PPSE; PrimeGrid
n = 2292155 690012 digits Jul 2025 Kai Presler; PPSE; PrimeGrid
k: 7997
max n: 2.373.178
n = 3 5 digits
n = 39 16 digits
n = 183 59 digits
n = 807 247 digits
n = 891 273 digits
n = 1119 341 digits
n = 1143 348 digits
n = 2291 694 digits
n = 2459 745 digits
n = 2787 843 digits
n = 14339 4321 digits
n = 41127 12385 digits
n = 98939 29788 digits
n = 1277451 384555 digits Jun 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1745487 525448 digits May 2023 PPSE; PrimeGrid
n = 2215971 667078 digits Feb 2025 Gregory Adams; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 7999
max n: 2.373.377
n = 18 10 digits
n = 30 13 digits
n = 138 46 digits
n = 330 104 digits
n = 1650 501 digits
n = 4842 1462 digits 1993 Jeffrey Young
n = 7246 2186 digits
n = 101266 30489 digits
n = 110586 33294 digits
n = 121510 36583 digits
n = 249162 75010 digits
n = 967362 291209 digits Aug 2012 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR