Known Proth primes ; 6000 < k < 7000
Expression: k * 2^n + 1
k: 6001
max n: 2.372.799
n = 4 5 digits
n = 8 7 digits
n = 48 19 digits
n = 104 36 digits
n = 224 72 digits
n = 580 179 digits
n = 940 287 digits
n = 1364 415 digits
n = 2652 803 digits
n = 3748 1133 digits 1993 Jeffrey Young
n = 6188 1867 digits
n = 6680 2015 digits Mar 1996 Patrick Demichel
n = 7344 2215 digits May 1996 Patrick Demichel
n = 7684 2317 digits
n = 13352 4024 digits
n = 14032 4228 digits
n = 26020 7837 digits
n = 320560 96502 digits
n = 477720 143812 digits Oct 2009 Jonathan Balza; srsieve; PrimeGrid; LLR
n = 682964 205597 digits Aug 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1042048 313692 digits Jan 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 3367552 1013738 digits May 2021 Greg McDevitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6003
max n: 2.372.500
n = 1 5 digits
n = 5 6 digits
n = 6 6 digits
n = 9 7 digits
n = 10 7 digits
n = 16 9 digits
n = 28 13 digits
n = 33 14 digits
n = 49 19 digits
n = 50 19 digits
n = 64 24 digits
n = 77 27 digits
n = 93 32 digits
n = 161 53 digits
n = 206 66 digits
n = 214 69 digits
n = 250 80 digits
n = 340 107 digits
n = 473 147 digits
n = 628 193 digits
n = 653 201 digits
n = 710 218 digits
n = 736 226 digits
n = 906 277 digits
n = 1058 323 digits
n = 1121 342 digits
n = 1308 398 digits
n = 1705 518 digits
n = 2009 609 digits
n = 2081 631 digits
n = 3894 1176 digits 1993 Jeffrey Young
n = 4573 1381 digits 1993 Jeffrey Young
n = 7836 2363 digits
n = 11850 3571 digits
n = 14226 4287 digits
n = 14889 4486 digits
n = 20169 6076 digits
n = 25801 7771 digits
n = 25925 7808 digits
n = 28250 8508 digits
n = 28914 8708 digits
n = 30465 9175 digits
n = 32556 9805 digits
n = 37948 11428 digits
n = 40909 12319 digits
n = 49674 14958 digits
n = 53821 16206 digits
n = 80548 24252 digits
n = 95281 28687 digits
n = 97777 29438 digits
n = 116044 34937 digits
n = 121526 36587 digits
n = 132241 39813 digits
n = 157245 47340 digits
n = 181146 54535 digits
n = 289914 87277 digits
n = 290678 87507 digits
n = 398676 120018 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 478057 143914 digits Oct 2009 Martyn Ronald Woodward; srsieve; PrimeGrid; LLR
n = 704620 212116 digits Sep 2011 Andreas Heinz; PSieve; srsieve; PrimeGrid; LLR
n = 1143366 344192 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1410605 424639 digits Jun 2016 Peter M Fahlenkamp; PSieve; srsieve; PrimeGrid; LLR
n = 1650306 496796 digits Dec 2021 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 1678265 505212 digits Mar 2022 Benjamin Lynch; PPSE; PrimeGrid
k: 6005
max n: 2.372.500
n = 1 5 digits
n = 5 6 digits
n = 7 6 digits
n = 11 8 digits
n = 19 10 digits
n = 37 15 digits
n = 49 19 digits
n = 53 20 digits
n = 89 31 digits
n = 101 35 digits
n = 103 35 digits
n = 113 38 digits
n = 203 65 digits
n = 283 89 digits
n = 371 116 digits
n = 533 165 digits
n = 553 171 digits
n = 565 174 digits
n = 911 279 digits
n = 991 303 digits
n = 1229 374 digits
n = 1453 442 digits
n = 1459 443 digits
n = 1585 481 digits
n = 2071 628 digits
n = 2155 653 digits
n = 2423 734 digits
n = 2765 837 digits
n = 2905 879 digits
n = 3745 1132 digits 1993 Jeffrey Young
n = 4105 1240 digits 1993 Jeffrey Young
n = 4471 1350 digits 1993 Jeffrey Young
n = 5447 1644 digits
n = 5689 1717 digits
n = 6571 1982 digits
n = 6875 2074 digits Mar 1996 Patrick Demichel
n = 9419 2840 digits
n = 18655 5620 digits
n = 20909 6299 digits
n = 21487 6473 digits
n = 41891 12615 digits
n = 44435 13381 digits
n = 48493 14602 digits
n = 56023 16869 digits
n = 59543 17929 digits
n = 64171 19322 digits
n = 73685 22186 digits
n = 118379 35640 digits
n = 191987 57798 digits
n = 244681 73661 digits
n = 778819 234452 digits Feb 2012 Jacob Holbrook; PSieve; srsieve; PrimeGrid; LLR
n = 1272869 383176 digits May 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1720883 518042 digits Nov 2022 Bruce E. Slade; PPSE; PrimeGrid
n = 1960037 590034 digits May 2024 Dennis Bischof; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2190037 659271 digits Feb 2025 Roman Strajt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2294489 690714 digits Jul 2025 Xuechen Xu; PPSE; PrimeGrid
k: 6007
max n: 2.372.643
n = 2 5 digits
n = 22 11 digits
n = 26 12 digits
n = 28 13 digits
n = 36 15 digits
n = 82 29 digits
n = 112 38 digits
n = 272 86 digits
n = 442 137 digits
n = 856 262 digits
n = 1340 408 digits
n = 1920 582 digits
n = 2248 681 digits
n = 2978 901 digits
n = 4088 1235 digits 1993 Jeffrey Young
n = 4836 1460 digits 1993 Jeffrey Young
n = 5624 1697 digits
n = 6658 2009 digits Mar 1996 Patrick Demichel
n = 7720 2328 digits May 1996 Patrick Demichel
n = 8256 2490 digits
n = 13468 4059 digits
n = 13724 4136 digits
n = 15064 4539 digits
n = 35786 10777 digits
n = 47602 14334 digits
n = 84022 25297 digits
n = 121570 36600 digits
n = 159434 47999 digits
n = 423514 127495 digits Nov 2012 Adrian Schori; PPSE; PrimeGrid
n = 700402 210846 digits Sep 2011 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1150372 346301 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1442700 434300 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 3463048 1042486 digits Mar 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6009
max n: 2.373.254
n = 3 5 digits
n = 6 6 digits
n = 23 11 digits
n = 39 16 digits
n = 42 17 digits
n = 45 18 digits
n = 95 33 digits
n = 431 134 digits
n = 815 250 digits
n = 903 276 digits
n = 930 284 digits
n = 1331 405 digits
n = 1413 430 digits
n = 1461 444 digits
n = 1653 502 digits
n = 2051 622 digits
n = 2358 714 digits
n = 3551 1073 digits 1993 Jeffrey Young
n = 6411 1934 digits
n = 7341 2214 digits May 1996 Patrick Demichel
n = 9693 2922 digits
n = 25431 7660 digits
n = 75419 22708 digits
n = 112470 33861 digits
n = 156815 47210 digits
n = 274919 82763 digits
n = 363534 109439 digits May 2012 PPSE; PrimeGrid
n = 401079 120741 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 403893 121588 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 426255 128320 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 568278 171073 digits Nov 2010 Adam Smith; PSieve; srsieve; PrimeGrid; LLR
n = 697998 210123 digits Sep 2011 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 821195 247209 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1234511 371629 digits Jan 2014 Ian M Gunn; PSieve; srsieve; PrimeGrid; LLR
k: 6011
max n: 2.372.826
n = 13 8 digits
n = 25 12 digits
n = 49 19 digits
n = 217 70 digits
n = 1633 496 digits
n = 1707 518 digits
n = 6583 1986 digits
n = 8005 2414 digits
n = 74953 22567 digits
n = 98845 29760 digits
n = 278383 83806 digits
n = 349207 105126 digits Apr 2012 Valter Cavecchia; PPSE; PrimeGrid
k: 6013
max n: 2.373.161
n = 12 8 digits
n = 24 12 digits
n = 82 29 digits
n = 106 36 digits
n = 184 60 digits
n = 286 90 digits
n = 514 159 digits
n = 636 196 digits
n = 866 265 digits
n = 1004 307 digits
n = 1216 370 digits
n = 2354 713 digits
n = 2466 747 digits
n = 2632 797 digits
n = 5606 1692 digits
n = 5646 1704 digits
n = 6914 2086 digits
n = 8182 2467 digits May 1996 Patrick Demichel
n = 16486 4967 digits
n = 19904 5996 digits
n = 22776 6861 digits
n = 57656 17360 digits
n = 58066 17484 digits
n = 184784 55630 digits
n = 240946 72536 digits
n = 264802 79718 digits
n = 615184 185193 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 677132 203841 digits Aug 2011 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 1029212 309828 digits Oct 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
k: 6015
max n: 2.372.316
n = 2 5 digits
n = 3 5 digits
n = 6 6 digits
n = 13 8 digits
n = 14 8 digits
n = 20 10 digits
n = 30 13 digits
n = 36 15 digits
n = 48 19 digits
n = 55 21 digits
n = 60 22 digits
n = 65 24 digits
n = 80 28 digits
n = 107 36 digits
n = 114 39 digits
n = 126 42 digits
n = 163 53 digits
n = 167 55 digits
n = 192 62 digits
n = 200 64 digits
n = 221 71 digits
n = 251 80 digits
n = 275 87 digits
n = 288 91 digits
n = 386 120 digits
n = 413 129 digits
n = 426 133 digits
n = 503 156 digits
n = 687 211 digits
n = 795 244 digits
n = 1223 372 digits
n = 1235 376 digits
n = 1537 467 digits
n = 1732 526 digits
n = 1742 529 digits
n = 3045 921 digits
n = 3462 1046 digits 1993 Jeffrey Young
n = 6203 1872 digits
n = 6560 1979 digits
n = 7924 2390 digits
n = 8768 2644 digits
n = 9684 2919 digits
n = 11244 3389 digits May 1996 Patrick Demichel
n = 15515 4675 digits
n = 15533 4680 digits
n = 18108 5455 digits
n = 20252 6101 digits
n = 20454 6162 digits Oct 1997 Henri Lifchitz; Proth
n = 22483 6772 digits
n = 25466 7670 digits
n = 33941 10222 digits
n = 35342 10643 digits
n = 35828 10790 digits
n = 41786 12583 digits
n = 42112 12681 digits
n = 58370 17575 digits
n = 67168 20224 digits
n = 67454 20310 digits
n = 76253 22959 digits
n = 113990 34319 digits
n = 138086 41572 digits
n = 144724 43571 digits
n = 145574 43826 digits
n = 185762 55924 digits
n = 202290 60900 digits
n = 253363 76274 digits
n = 303911 91491 digits
n = 308910 92995 digits
n = 327433 98571 digits
n = 488003 146908 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 520566 156710 digits Jun 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 734562 221129 digits Feb 2012 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 954451 287323 digits Jul 2012 Stephen Maclagan; PSieve; srsieve; PrimeGrid; LLR
n = 959377 288806 digits Aug 2012 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1021304 307447 digits Oct 2012 Zdenek Vasku; PSieve; srsieve; PrimeGrid; LLR
n = 1317977 396755 digits Feb 2015 Eirik Lunner; PSieve; srsieve; PrimeGrid; LLR
n = 1408168 423905 digits Jun 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1906883 574033 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1978343 595545 digits Jul 2024 Kyle Gingrich; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2020917 608361 digits Dec 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 2285951 688144 digits Jun 2025 Dave Studdert; PPSE; PrimeGrid
n = 3463561 1042640 digits Mar 2023 Ian Johns; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6017
max n: 2.373.170
n = 7 6 digits
n = 19 10 digits
n = 31 14 digits
n = 43 17 digits
n = 67 24 digits
n = 447 139 digits
n = 1431 435 digits
n = 5155 1556 digits
n = 7363 2221 digits May 1996 Patrick Demichel
n = 17907 5395 digits
n = 61123 18404 digits
n = 92167 27749 digits
n = 110587 33294 digits
n = 222675 67036 digits
n = 253107 76197 digits
n = 275427 82916 digits
n = 558463 168118 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 604791 182065 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 702259 211405 digits Sep 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
k: 6019
max n: 2.372.637
n = 2 5 digits
n = 26 12 digits
n = 86 30 digits
n = 170 55 digits
n = 326 102 digits
n = 1450 441 digits
n = 2206 668 digits
n = 3182 962 digits
n = 4790 1446 digits 1993 Jeffrey Young
n = 53366 16069 digits
n = 938690 282578 digits Jul 2012 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 2219786 668226 digits Feb 2025 James Krauss; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6021
max n: 2.372.718
n = 1 5 digits
n = 4 5 digits
n = 8 7 digits
n = 15 9 digits
n = 19 10 digits
n = 20 10 digits
n = 25 12 digits
n = 44 18 digits
n = 51 20 digits
n = 52 20 digits
n = 61 23 digits
n = 67 24 digits
n = 75 27 digits
n = 128 43 digits
n = 155 51 digits
n = 436 136 digits
n = 508 157 digits
n = 667 205 digits
n = 928 284 digits
n = 939 287 digits
n = 1144 349 digits
n = 1316 400 digits
n = 1396 425 digits
n = 1484 451 digits
n = 1504 457 digits
n = 1804 547 digits
n = 2132 646 digits
n = 2407 729 digits
n = 2588 783 digits
n = 3121 944 digits
n = 5977 1804 digits
n = 6912 2085 digits 1993 Gary B. Gostin
n = 8275 2495 digits
n = 8485 2559 digits
n = 12932 3897 digits
n = 14135 4259 digits
n = 16324 4918 digits
n = 34579 10414 digits
n = 51175 15409 digits
n = 55224 16628 digits
n = 62389 18785 digits Mar 1999 Tadashi Taura; Proth
n = 80948 24372 digits
n = 94220 28367 digits
n = 115948 34908 digits
n = 300356 90420 digits
n = 328347 98847 digits
n = 329864 99303 digits
n = 472104 142122 digits Oct 2009 Lars Wallin; srsieve; PrimeGrid; LLR
n = 553159 166522 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 581832 175153 digits Nov 2010 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 601704 181135 digits Jan 2011 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 739355 222572 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1341129 403724 digits Jun 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1936400 582919 digits Mar 2024 Ward De Ridder; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6023
max n: 2.373.329
n = 5 6 digits
n = 53 20 digits
n = 65 24 digits
n = 77 27 digits
n = 189 61 digits
n = 953 291 digits
n = 1181 360 digits
n = 4041 1221 digits 1993 Jeffrey Young
n = 8357 2520 digits
n = 13157 3965 digits
n = 17789 5359 digits
n = 25613 7715 digits
n = 34913 10514 digits
n = 74129 22319 digits
n = 116121 34960 digits
n = 152613 45945 digits
n = 155033 46674 digits
n = 216993 65326 digits
n = 261557 78741 digits
n = 359033 108084 digits May 2012 PPSE; PrimeGrid
n = 381281 114781 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 388605 116986 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 925949 278743 digits Jun 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1264241 380579 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 3440241 1035620 digits Dec 2022 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6025
max n: 2.373.137
n = 4 5 digits
n = 18 10 digits
n = 30 13 digits
n = 40 16 digits
n = 84 30 digits
n = 90 31 digits
n = 288 91 digits
n = 340 107 digits
n = 346 108 digits
n = 1068 326 digits
n = 2308 699 digits
n = 2698 816 digits
n = 6018 1816 digits
n = 8526 2571 digits
n = 19320 5820 digits Oct 1996 Patrick Demichel
n = 22278 6711 digits
n = 22426 6755 digits
n = 42906 12920 digits
n = 67314 20268 digits
n = 84424 25418 digits
n = 311776 93858 digits
n = 380464 114535 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 971686 292511 digits Aug 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1031614 310551 digits Jan 2013 Aaron Everett; PSieve; srsieve; PrimeGrid; LLR
n = 1229148 370015 digits Jan 2014 Bobby White; PSieve; srsieve; PrimeGrid; LLR
n = 2320050 698409 digits Nov 2025 David Perek; PPSE; PrimeGrid
k: 6027
max n: 2.372.873
n = 2 5 digits
n = 12 8 digits
n = 14 8 digits
n = 16 9 digits
n = 24 12 digits
n = 36 15 digits
n = 38 16 digits
n = 42 17 digits
n = 46 18 digits
n = 47 18 digits
n = 48 19 digits
n = 71 26 digits
n = 154 51 digits
n = 163 53 digits
n = 332 104 digits
n = 336 105 digits
n = 462 143 digits
n = 514 159 digits
n = 528 163 digits
n = 739 227 digits
n = 1872 568 digits
n = 2964 897 digits
n = 3152 953 digits
n = 5442 1642 digits
n = 5454 1646 digits
n = 5682 1715 digits
n = 7598 2292 digits
n = 7676 2315 digits
n = 8506 2565 digits
n = 9774 2947 digits
n = 10316 3110 digits
n = 13391 4035 digits
n = 25608 7713 digits
n = 29591 8912 digits
n = 62495 18817 digits
n = 102354 30816 digits
n = 158995 47867 digits
n = 188184 56653 digits
n = 243775 73388 digits
n = 253756 76392 digits
n = 286796 86338 digits
n = 615068 185158 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1190132 358270 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1339034 403094 digits Jun 2015 Robert Fiedler; PSieve; srsieve; PrimeGrid; LLR
n = 3408444 1026048 digits Feb 2022 Roman Strajt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6029
max n: 2.373.256
n = 59 22 digits
n = 99 34 digits
n = 127 43 digits
n = 243 77 digits
n = 483 150 digits
n = 1977 599 digits
n = 2023 613 digits
n = 3043 920 digits
n = 4397 1328 digits 1993 Jeffrey Young
n = 5823 1757 digits
n = 77599 23364 digits
n = 291853 87861 digits
n = 313273 94309 digits
n = 1413173 425412 digits Jul 2016 Erik Veit; PSieve; srsieve; PrimeGrid; LLR
n = 1521279 457955 digits Feb 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1630487 490830 digits Feb 2021 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 2081027 626456 digits Jan 2025 Florian Gnann; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2215033 666796 digits Feb 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6031
max n: 2.373.436
n = 4 5 digits
n = 20 10 digits
n = 44 18 digits
n = 52 20 digits
n = 692 213 digits
n = 712 219 digits
n = 2020 612 digits
n = 2440 739 digits
n = 2812 851 digits
n = 12056 3633 digits
n = 37760 11371 digits
n = 90956 27385 digits
n = 112072 33741 digits
n = 627692 188958 digits Feb 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 692936 208599 digits Sep 2011 Denis Korolev; PSieve; srsieve; PrimeGrid; LLR
n = 773036 232711 digits Feb 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 876340 263809 digits May 2012 Guillaume Tardy; PSieve; srsieve; PrimeGrid; LLR
n = 1437832 432835 digits Feb 2017 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 6033
max n: 2.373.049
n = 2 5 digits
n = 5 6 digits
n = 8 7 digits
n = 20 10 digits
n = 25 12 digits
n = 32 14 digits
n = 37 15 digits
n = 38 16 digits
n = 74 27 digits
n = 133 44 digits
n = 200 64 digits
n = 253 80 digits
n = 256 81 digits
n = 1354 412 digits
n = 1564 475 digits
n = 1832 556 digits
n = 2360 715 digits
n = 3404 1029 digits 1993 Jeffrey Young
n = 3668 1108 digits 1993 Jeffrey Young
n = 5434 1640 digits
n = 5537 1671 digits
n = 6028 1819 digits
n = 7250 2187 digits
n = 8354 2519 digits
n = 8417 2538 digits
n = 16165 4870 digits
n = 17173 5174 digits
n = 18308 5516 digits
n = 19657 5922 digits
n = 31549 9501 digits
n = 58504 17616 digits Mar 1999 Tadashi Taura; Proth
n = 78817 23731 digits
n = 115945 34907 digits
n = 127009 38238 digits
n = 151085 45485 digits
n = 173990 52380 digits
n = 243764 73385 digits
n = 301169 90665 digits
n = 723373 217761 digits Nov 2011 Dan Swearingen; PSieve; srsieve; PrimeGrid; LLR
n = 1904684 573371 digits Feb 2024 James Krauss; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6035
max n: 2.372.934
n = 1 5 digits
n = 3 5 digits
n = 11 8 digits
n = 13 8 digits
n = 15 9 digits
n = 17 9 digits
n = 25 12 digits
n = 33 14 digits
n = 39 16 digits
n = 43 17 digits
n = 45 18 digits
n = 115 39 digits
n = 117 40 digits
n = 179 58 digits
n = 219 70 digits
n = 323 102 digits
n = 643 198 digits
n = 661 203 digits
n = 1043 318 digits
n = 1499 456 digits
n = 2323 704 digits
n = 3719 1124 digits 1993 Jeffrey Young
n = 4141 1251 digits 1993 Jeffrey Young
n = 4493 1357 digits 1993 Jeffrey Young
n = 5969 1801 digits
n = 6915 2086 digits
n = 8019 2418 digits
n = 8825 2661 digits
n = 9845 2968 digits
n = 10395 3133 digits
n = 12649 3812 digits
n = 15429 4649 digits
n = 18537 5584 digits
n = 44001 13250 digits
n = 88183 26550 digits
n = 108701 32727 digits
n = 149257 44935 digits
n = 164751 49599 digits
n = 212039 63834 digits
n = 221365 66642 digits
n = 270161 81331 digits
n = 307255 92497 digits
n = 423169 127391 digits Nov 2012 Bart Kus; PPSE; PrimeGrid
n = 535009 161058 digits Jul 2010 Dave Mitchell; PSieve; srsieve; PrimeGrid; LLR
n = 656983 197776 digits Mar 2011 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 706623 212719 digits Sep 2011 Bartosz Michałowski; PSieve; srsieve; PrimeGrid; LLR
n = 823583 247927 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 945555 284645 digits Jul 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 992295 298715 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1042457 313815 digits Jan 2013 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 1190759 358458 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1629277 490466 digits Feb 2021 Bob Calvin; PSieve; srsieve; PrimeGrid; LLR
n = 1715137 516312 digits Oct 2022 Dr. James Scott Brown; PPSE; PrimeGrid
n = 1772917 533705 digits Nov 2023 Jan Kožíšek; PPSE; PrimeGrid
n = 1812735 545692 digits Jan 2024 Stefan Larsson; PPSE; PrimeGrid
n = 1875657 564633 digits Feb 2024 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1959525 589880 digits May 2024 Victor DiMichina; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2137411 643429 digits Jan 2025 Ricky L Hubbard; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2319957 698381 digits Nov 2025 Mark Scheuern; PPSE; PrimeGrid
n = 3334341 1003741 digits May 2020 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 6037
max n: 2.373.037
n = 6 6 digits
n = 8 7 digits
n = 18 10 digits
n = 24 12 digits
n = 36 15 digits
n = 44 18 digits
n = 68 25 digits
n = 120 40 digits
n = 284 90 digits
n = 318 100 digits
n = 554 171 digits
n = 1554 472 digits
n = 1944 589 digits
n = 2748 832 digits
n = 3074 930 digits
n = 3138 949 digits
n = 3758 1136 digits 1993 Jeffrey Young
n = 7380 2226 digits May 1996 Patrick Demichel
n = 11046 3329 digits
n = 21896 6596 digits
n = 89198 26856 digits
n = 253724 76383 digits
n = 383796 115538 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 475358 143101 digits Oct 2009 Robert Scullin; srsieve; PrimeGrid; LLR
n = 1611554 485130 digits Dec 2020 Ben Ridgway; PSieve; srsieve; PrimeGrid; LLR
k: 6039
max n: 2.372.792
n = 3 5 digits
n = 13 8 digits
n = 39 16 digits
n = 61 23 digits
n = 166 54 digits
n = 291 92 digits
n = 429 133 digits
n = 469 145 digits
n = 687 211 digits
n = 1071 327 digits
n = 1798 546 digits
n = 4653 1405 digits 1993 Jeffrey Young
n = 5509 1663 digits
n = 11181 3370 digits
n = 18574 5596 digits
n = 20301 6115 digits
n = 40683 12251 digits Mar 1999 Tadashi Taura; Proth
n = 71437 21509 digits
n = 75685 22788 digits
n = 76854 23140 digits
n = 85534 25753 digits
n = 87709 26407 digits
n = 121854 36686 digits
n = 134526 40501 digits
n = 161326 48568 digits
n = 168573 50750 digits
k: 6041
max n: 2.372.710
n = 7 6 digits
n = 9 7 digits
n = 21 11 digits
n = 35 15 digits
n = 55 21 digits
n = 59 22 digits
n = 61 23 digits
n = 69 25 digits
n = 87 30 digits
n = 97 33 digits
n = 489 151 digits
n = 637 196 digits
n = 865 265 digits
n = 905 277 digits
n = 919 281 digits
n = 1475 448 digits
n = 1959 594 digits
n = 2737 828 digits
n = 2911 881 digits
n = 3829 1157 digits 1993 Jeffrey Young
n = 4827 1457 digits 1993 Jeffrey Young
n = 5221 1576 digits
n = 5257 1587 digits
n = 5457 1647 digits
n = 10507 3167 digits
n = 19287 5810 digits
n = 29945 9019 digits
n = 33879 10203 digits
n = 38667 11644 digits
n = 38679 11648 digits
n = 39359 11853 digits
n = 46485 13998 digits
n = 48299 14544 digits
n = 71587 21554 digits
n = 75129 22620 digits
n = 92305 27791 digits
n = 118887 35793 digits
n = 317685 95637 digits
n = 325209 97902 digits
n = 339537 102215 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 496891 149583 digits
n = 522727 157361 digits Jul 2010 Doug Cushing; PSieve; srsieve; PrimeGrid; LLR
n = 542929 163442 digits Aug 2010 Michael A. Molnar; PSieve; srsieve; PrimeGrid; LLR
n = 613619 184722 digits Jan 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1786465 537784 digits Dec 2023 Gregory Bennett; PPSE; PrimeGrid
k: 6043
max n: 2.372.775
n = 8 7 digits
n = 10 7 digits
n = 18 10 digits
n = 20 10 digits
n = 30 13 digits
n = 36 15 digits
n = 56 21 digits
n = 128 43 digits
n = 522 161 digits
n = 900 275 digits
n = 1138 347 digits
n = 1290 393 digits
n = 2478 750 digits
n = 6068 1831 digits
n = 9196 2773 digits
n = 12292 3705 digits
n = 13848 4173 digits
n = 15912 4794 digits
n = 20882 6290 digits
n = 21660 6525 digits
n = 33712 10153 digits
n = 35712 10755 digits
n = 59056 17782 digits
n = 89140 26838 digits
n = 154516 46518 digits
n = 173972 52375 digits
n = 493508 148565 digits Mar 2010 ChunWei Shen; PSieve; srsieve; PrimeGrid; LLR
n = 644256 193945 digits Feb 2011 Enzo Castigliola; PSieve; srsieve; PrimeGrid; LLR
n = 832112 250495 digits Apr 2012 Andrà Deutschmann; PSieve; srsieve; PrimeGrid; LLR
n = 1054918 317566 digits Apr 2013 Allan Annaert; PSieve; srsieve; PrimeGrid; LLR
n = 1678020 505139 digits Mar 2022 Jonathan Champ; PPSE; PrimeGrid
n = 1990282 599139 digits Aug 2024 Honza Cholt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6045
max n: 2.372.856
n = 2 5 digits
n = 5 6 digits
n = 8 7 digits
n = 10 7 digits
n = 11 8 digits
n = 13 8 digits
n = 15 9 digits
n = 19 10 digits
n = 25 12 digits
n = 28 13 digits
n = 63 23 digits
n = 70 25 digits
n = 89 31 digits
n = 90 31 digits
n = 133 44 digits
n = 362 113 digits
n = 371 116 digits
n = 382 119 digits
n = 448 139 digits
n = 461 143 digits
n = 475 147 digits
n = 521 161 digits
n = 583 180 digits
n = 638 196 digits
n = 660 203 digits
n = 758 232 digits
n = 1011 309 digits
n = 1013 309 digits
n = 1344 409 digits
n = 1390 423 digits
n = 2345 710 digits
n = 2499 757 digits
n = 2971 899 digits
n = 3339 1009 digits 1993 Jeffrey Young
n = 4527 1367 digits 1993 Jeffrey Young
n = 4785 1445 digits 1993 Jeffrey Young
n = 4945 1493 digits 1993 Jeffrey Young
n = 5959 1798 digits
n = 6239 1882 digits
n = 6533 1971 digits
n = 9638 2906 digits
n = 14912 4493 digits
n = 20863 6285 digits
n = 22132 6667 digits
n = 24499 7379 digits
n = 25102 7561 digits
n = 28392 8551 digits
n = 34089 10266 digits
n = 59887 18032 digits
n = 60981 18361 digits
n = 63297 19059 digits
n = 65301 19662 digits
n = 67517 20329 digits
n = 72193 21737 digits
n = 74940 22563 digits
n = 96240 28975 digits
n = 97143 29247 digits
n = 100482 30252 digits Nov 1997 Henri Lifchitz; Proth
n = 102322 30806 digits
n = 105918 31889 digits
n = 112959 34008 digits
n = 137477 41389 digits
n = 187498 56447 digits
n = 194793 58643 digits
n = 215898 64996 digits
n = 224061 67453 digits
n = 265355 79884 digits
n = 271930 81863 digits
n = 378615 113979 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 473662 142591 digits Oct 2009 Lars Wallin; srsieve; PrimeGrid; LLR
n = 701377 211140 digits Sep 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 704167 211980 digits Sep 2011 Chen Hsun Chang; PSieve; srsieve; PrimeGrid; LLR
n = 951472 286426 digits Jul 2012 Boris Tassou; PSieve; srsieve; PrimeGrid; LLR
n = 1254150 377541 digits Apr 2014 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 1883490 566991 digits Feb 2024 Bob Calvin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6047
max n: 2.372.886
n = 7 6 digits
n = 91 32 digits
n = 139 46 digits
n = 151 50 digits
n = 427 133 digits
n = 511 158 digits
n = 899 275 digits
n = 1483 451 digits
n = 1735 527 digits
n = 30223 9102 digits
n = 37583 11318 digits
n = 79219 23852 digits Dec 1999 David Hanson; Proth
n = 213607 64306 digits
n = 267587 80556 digits
k: 6049
max n: 2.372.793
n = 2 5 digits
n = 6 6 digits
n = 14 8 digits
n = 18 10 digits
n = 22 11 digits
n = 34 15 digits
n = 58 22 digits
n = 74 27 digits
n = 82 29 digits
n = 106 36 digits
n = 242 77 digits
n = 282 89 digits
n = 482 149 digits
n = 522 161 digits
n = 806 247 digits
n = 1238 377 digits
n = 1558 473 digits
n = 5318 1605 digits
n = 5926 1788 digits
n = 8546 2577 digits
n = 9246 2788 digits
n = 13622 4105 digits
n = 58278 17548 digits
n = 127766 38466 digits
n = 339138 102095 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 463754 139608 digits Jul 2009 Alan J Hidy; srsieve; PrimeGrid; LLR
k: 6051
max n: 2.372.012
n = 3 5 digits
n = 20 10 digits
n = 23 11 digits
n = 39 16 digits
n = 41 17 digits
n = 68 25 digits
n = 116 39 digits
n = 183 59 digits
n = 239 76 digits
n = 711 218 digits
n = 2988 904 digits
n = 3969 1199 digits 1993 Jeffrey Young
n = 4013 1212 digits 1993 Jeffrey Young
n = 5363 1619 digits
n = 7011 2115 digits
n = 11331 3415 digits
n = 14387 4335 digits
n = 15633 4710 digits
n = 72579 21853 digits
n = 78857 23743 digits
n = 125039 37645 digits
n = 153531 46222 digits
n = 207972 62610 digits
n = 244911 73730 digits
n = 350553 105531 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 380891 114664 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 506639 152518 digits May 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 677060 203820 digits Aug 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1766684 531829 digits Oct 2023 PPSE; PrimeGrid
k: 6053
max n: 2.373.300
n = 1 5 digits
n = 13 8 digits
n = 21 11 digits
n = 49 19 digits
n = 61 23 digits
n = 169 55 digits
n = 181 59 digits
n = 909 278 digits
n = 981 300 digits
n = 2569 778 digits
n = 95929 28882 digits
n = 126369 38045 digits
n = 274261 82565 digits
n = 546465 164507 digits Sep 2010 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 879625 264798 digits May 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 6055
max n: 2.373.237
n = 10 7 digits
n = 12 8 digits
n = 18 10 digits
n = 24 12 digits
n = 38 16 digits
n = 74 27 digits
n = 102 35 digits
n = 120 40 digits
n = 226 72 digits
n = 406 127 digits
n = 1838 558 digits
n = 2496 756 digits
n = 2904 878 digits
n = 4490 1356 digits 1993 Jeffrey Young
n = 6150 1856 digits
n = 15328 4618 digits
n = 20988 6322 digits
n = 24698 7439 digits
n = 62886 18935 digits
n = 66204 19934 digits
n = 179688 54096 digits
n = 210520 63377 digits
n = 366528 110340 digits May 2012 PPSE; PrimeGrid
n = 406958 122511 digits Aug 2012 Adrian Schori; PPSE; PrimeGrid
n = 689172 207466 digits Aug 2011 Vit Kliber; PSieve; srsieve; PrimeGrid; LLR
n = 1374218 413685 digits Jan 2016 Shaun Cox; PSieve; srsieve; PrimeGrid; LLR
n = 1426536 429434 digits Nov 2016 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1864394 561243 digits Feb 2024 Ruben Steinberg; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6057
max n: 2.372.806
n = 2 5 digits
n = 15 9 digits
n = 20 10 digits
n = 22 11 digits
n = 32 14 digits
n = 46 18 digits
n = 59 22 digits
n = 64 24 digits
n = 75 27 digits
n = 102 35 digits
n = 139 46 digits
n = 200 64 digits
n = 236 75 digits
n = 259 82 digits
n = 320 101 digits
n = 523 162 digits
n = 687 211 digits
n = 814 249 digits
n = 914 279 digits
n = 963 294 digits
n = 1891 574 digits
n = 2514 761 digits
n = 3515 1062 digits 1993 Jeffrey Young
n = 3971 1200 digits 1993 Jeffrey Young
n = 5011 1513 digits
n = 6159 1858 digits
n = 6292 1898 digits
n = 19946 6009 digits
n = 26451 7967 digits
n = 62591 18846 digits
n = 95739 28825 digits
n = 95810 28846 digits
n = 105620 31799 digits
n = 108102 32546 digits
n = 123471 37173 digits
n = 127576 38408 digits
n = 166659 50174 digits
n = 193119 58139 digits
n = 241266 72633 digits
n = 257967 77660 digits
n = 434134 130692 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 434442 130784 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 516387 155452 digits Jun 2010 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 535780 161290 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 570926 171870 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 711587 214213 digits Nov 2011 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 817256 246023 digits Apr 2012 Jeremie Gremont; PSieve; srsieve; PrimeGrid; LLR
n = 985350 296624 digits Sep 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1383043 416342 digits Feb 2016 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 6059
max n: 2.372.834
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 13 8 digits
n = 63 23 digits
n = 95 33 digits
n = 97 33 digits
n = 123 41 digits
n = 141 47 digits
n = 317 100 digits
n = 357 112 digits
n = 427 133 digits
n = 553 171 digits
n = 787 241 digits
n = 1807 548 digits
n = 3153 953 digits
n = 3715 1123 digits 1993 Jeffrey Young
n = 4221 1275 digits 1993 Jeffrey Young
n = 5017 1515 digits
n = 5157 1557 digits
n = 13983 4214 digits
n = 23433 7058 digits
n = 38491 11591 digits
n = 38763 11673 digits
n = 46951 14138 digits
n = 63461 19108 digits
n = 81801 24629 digits
n = 141395 42568 digits
n = 146655 44152 digits
n = 205933 61996 digits
n = 278983 83987 digits
n = 312735 94147 digits
n = 434641 130844 digits Dec 2012 Brook Harste; PPSE; PrimeGrid
n = 541521 163018 digits Aug 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 716857 215800 digits Nov 2011 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 902363 271643 digits Jun 2012 Douglas Dreher; PSieve; srsieve; PrimeGrid; LLR
n = 2209437 665111 digits Feb 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3457001 1040665 digits Feb 2023 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6061
max n: 2.373.380
n = 8 7 digits
n = 32 14 digits
n = 56 21 digits
n = 196 63 digits
n = 488 151 digits
n = 1496 455 digits
n = 5156 1556 digits
n = 11224 3383 digits May 1996 Patrick Demichel
n = 44240 13322 digits
n = 52676 15861 digits
n = 165800 49915 digits
n = 206336 62118 digits
n = 282272 84977 digits
k: 6063
max n: 2.372.775
n = 5 6 digits
n = 10 7 digits
n = 20 10 digits
n = 29 13 digits
n = 30 13 digits
n = 40 16 digits
n = 46 18 digits
n = 65 24 digits
n = 130 43 digits
n = 145 48 digits
n = 230 74 digits
n = 269 85 digits
n = 276 87 digits
n = 346 108 digits
n = 426 133 digits
n = 436 136 digits
n = 618 190 digits
n = 720 221 digits
n = 1878 570 digits
n = 2058 624 digits
n = 2080 630 digits
n = 4100 1239 digits 1993 Jeffrey Young
n = 6036 1821 digits
n = 6058 1828 digits
n = 6442 1944 digits
n = 6510 1964 digits
n = 6769 2042 digits Mar 1996 Patrick Demichel
n = 16742 5044 digits
n = 24320 7325 digits
n = 51870 15619 digits
n = 92482 27844 digits
n = 128172 38588 digits
n = 134682 40548 digits
n = 173665 52283 digits
n = 208978 62913 digits
n = 280861 84552 digits
n = 352450 106102 digits May 2012 David Yost; PPSE; PrimeGrid
n = 413916 124605 digits Oct 2012 Bart Kus; PPSE; PrimeGrid
n = 771476 232242 digits Feb 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1028100 309493 digits Oct 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1175772 353947 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1207026 363355 digits Dec 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1714646 516164 digits Oct 2022 Ryan Propper; PPSE; PrimeGrid
n = 2179330 656048 digits Feb 2025 Willie Black; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2315058 696906 digits Oct 2025 Zhong Yehai; PPSE; PrimeGrid
k: 6065
max n: 2.372.650
n = 11 8 digits
n = 17 9 digits
n = 27 12 digits
n = 149 49 digits
n = 179 58 digits
n = 207 67 digits
n = 627 193 digits
n = 905 277 digits
n = 1499 456 digits
n = 1689 513 digits
n = 3905 1180 digits 1993 Jeffrey Young
n = 6659 2009 digits Mar 1996 Patrick Demichel
n = 7325 2209 digits May 1996 Patrick Demichel
n = 9537 2875 digits
n = 12257 3694 digits
n = 13985 4214 digits
n = 16269 4902 digits
n = 16557 4988 digits
n = 17735 5343 digits
n = 19209 5787 digits
n = 26621 8018 digits
n = 42129 12686 digits
n = 42849 12903 digits
n = 50909 15329 digits
n = 60111 18099 digits
n = 174285 52469 digits
n = 201587 60688 digits
n = 215469 64867 digits
n = 224771 67667 digits
n = 261899 78844 digits
n = 286745 86323 digits
n = 453071 136392 digits May 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 1001159 301383 digits Sep 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1157949 348582 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2169785 653175 digits Feb 2025 Joerg Steinmetz; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3460205 1041630 digits Feb 2023 Wolfram Glatte; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6067
max n: 2.372.897
n = 4 5 digits
n = 78 28 digits
n = 102 35 digits
n = 150 49 digits
n = 1758 533 digits
n = 3084 933 digits
n = 5092 1537 digits
n = 7278 2195 digits May 1996 Patrick Demichel
n = 41094 12375 digits
n = 131968 39731 digits
n = 182010 54795 digits
n = 1108264 333625 digits Jul 2013 Jesper Hedlund; PSieve; srsieve; PrimeGrid; LLR
n = 1527390 459794 digits Feb 2019 Jordan Romaidis; PSieve; srsieve; PrimeGrid; LLR
n = 1594128 479885 digits Sep 2020 Lars Anker-Rasch; PSieve; srsieve; PrimeGrid; LLR
n = 2287710 688674 digits Jun 2025 Kai Presler; PPSE; PrimeGrid
k: 6069
max n: 2.372.970
n = 9 7 digits
n = 26 12 digits
n = 33 14 digits
n = 38 16 digits
n = 73 26 digits
n = 74 27 digits
n = 75 27 digits
n = 81 29 digits
n = 86 30 digits
n = 93 32 digits
n = 103 35 digits
n = 255 81 digits
n = 285 90 digits
n = 346 108 digits
n = 686 211 digits
n = 691 212 digits
n = 698 214 digits
n = 811 248 digits
n = 1167 356 digits
n = 1717 521 digits
n = 2298 696 digits
n = 2734 827 digits
n = 3161 956 digits
n = 4125 1246 digits 1993 Jeffrey Young
n = 4279 1292 digits 1993 Jeffrey Young
n = 4313 1303 digits 1993 Jeffrey Young
n = 4718 1425 digits 1993 Jeffrey Young
n = 5329 1608 digits
n = 5335 1610 digits
n = 6389 1928 digits
n = 6585 1987 digits
n = 9974 3007 digits
n = 10686 3221 digits
n = 12749 3842 digits
n = 13353 4024 digits
n = 19298 5814 digits
n = 26105 7863 digits
n = 30578 9209 digits
n = 35165 10590 digits
n = 41998 12647 digits
n = 44493 13398 digits
n = 55429 16690 digits
n = 84865 25551 digits
n = 105586 31789 digits
n = 124793 37571 digits
n = 151335 45561 digits
n = 153446 46196 digits
n = 206085 62042 digits
n = 215033 64736 digits
n = 223317 67229 digits
n = 231826 69791 digits
n = 265594 79956 digits
n = 309358 93130 digits
n = 336789 101388 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 374669 112791 digits Jun 2012 Adrian Schori; PPSE; PrimeGrid
n = 499445 150352 digits May 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 621773 187177 digits Feb 2011 Robert Zarecki; PSieve; srsieve; PrimeGrid; LLR
n = 642653 193462 digits Feb 2011 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 738753 222391 digits Feb 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 3409493 1026364 digits Mar 2022 Wolfgang Schwieger; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6071
max n: 2.372.792
n = 1 5 digits
n = 21 11 digits
n = 23 11 digits
n = 29 13 digits
n = 39 16 digits
n = 41 17 digits
n = 57 21 digits
n = 119 40 digits
n = 169 55 digits
n = 367 115 digits
n = 421 131 digits
n = 983 300 digits
n = 1185 361 digits
n = 1429 434 digits
n = 1583 481 digits
n = 1847 560 digits
n = 2631 796 digits
n = 3287 994 digits
n = 5673 1712 digits
n = 7561 2280 digits
n = 7631 2301 digits May 1996 Patrick Demichel
n = 10317 3110 digits
n = 12453 3753 digits
n = 14511 4373 digits
n = 16481 4966 digits
n = 30549 9200 digits
n = 36005 10843 digits
n = 36321 10938 digits
n = 45321 13647 digits
n = 46911 14126 digits
n = 51305 15449 digits
n = 63303 19060 digits
n = 64741 19493 digits
n = 69893 21044 digits
n = 74477 22424 digits
n = 87501 26345 digits
n = 99713 30021 digits
n = 100209 30170 digits
n = 109711 33031 digits
n = 146285 44040 digits
n = 178725 53806 digits
n = 189529 57058 digits
n = 193319 58199 digits
n = 194361 58513 digits
n = 292847 88160 digits
n = 301801 90855 digits
n = 323249 97312 digits
n = 467383 140701 digits Aug 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 504605 151906 digits May 2010 Ossi Mauno; PSieve; srsieve; PrimeGrid; LLR
n = 795845 239578 digits Mar 2012 Bartosz Michałowski; PSieve; srsieve; PrimeGrid; LLR
n = 864689 260302 digits May 2012 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
n = 901607 271415 digits Jun 2012 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 1816865 546935 digits Jan 2024 Jack Welsh; PPSE; PrimeGrid
k: 6073
max n: 2.372.955
n = 4 5 digits
n = 6 6 digits
n = 14 8 digits
n = 16 9 digits
n = 40 16 digits
n = 44 18 digits
n = 52 20 digits
n = 62 23 digits
n = 72 26 digits
n = 78 28 digits
n = 88 31 digits
n = 244 78 digits
n = 348 109 digits
n = 366 114 digits
n = 654 201 digits
n = 1118 341 digits
n = 1376 419 digits
n = 1494 454 digits
n = 1536 467 digits
n = 7318 2207 digits May 1996 Patrick Demichel
n = 23516 7083 digits
n = 28616 8619 digits
n = 30862 9295 digits
n = 38696 11653 digits
n = 44972 13542 digits
n = 82892 24957 digits
n = 85352 25698 digits
n = 112222 33786 digits
n = 117000 35225 digits
n = 237448 71483 digits
n = 374860 112848 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 840292 252957 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1458460 439044 digits Oct 2017 Göran Schmidt; PSieve; srsieve; PrimeGrid; LLR
n = 3369544 1014338 digits Jun 2021 Michael Gmirkin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6075
max n: 2.373.037
n = 11 8 digits
n = 14 8 digits
n = 26 12 digits
n = 34 15 digits
n = 41 17 digits
n = 68 25 digits
n = 83 29 digits
n = 241 77 digits
n = 286 90 digits
n = 314 99 digits
n = 422 131 digits
n = 629 194 digits
n = 751 230 digits
n = 829 254 digits
n = 893 273 digits
n = 1211 369 digits
n = 1543 469 digits
n = 1589 483 digits
n = 2821 853 digits
n = 2923 884 digits
n = 3079 931 digits
n = 5009 1512 digits
n = 6419 1937 digits
n = 7811 2356 digits
n = 9013 2717 digits
n = 10829 3264 digits
n = 12323 3714 digits
n = 13694 4127 digits
n = 15082 4544 digits
n = 21034 6336 digits
n = 31786 9573 digits
n = 34711 10453 digits Mar 1999 Tadashi Taura; Proth
n = 35294 10629 digits
n = 152578 45935 digits
n = 161314 48565 digits
n = 181699 54701 digits
n = 259748 78196 digits
n = 269018 80987 digits
n = 278609 83874 digits
n = 300194 90372 digits
n = 367411 110606 digits May 2012 PPSE; PrimeGrid
n = 562256 169260 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 642973 193558 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 678041 204115 digits Aug 2011 Robert Long; PSieve; srsieve; PrimeGrid; LLR
n = 2089646 629050 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6077
max n: 2.373.206
n = 7 6 digits
n = 67 24 digits
n = 683 210 digits
n = 1599 486 digits
n = 4483 1354 digits 1993 Jeffrey Young
n = 14947 4504 digits
n = 205047 61730 digits
n = 425303 128033 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 626839 188702 digits Feb 2011 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 1532479 461326 digits Mar 2019 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
k: 6079
max n: 2.373.325
n = 2 5 digits
n = 6 6 digits
n = 14 8 digits
n = 30 13 digits
n = 42 17 digits
n = 102 35 digits
n = 530 164 digits
n = 1374 418 digits
n = 6114 1845 digits
n = 11366 3426 digits
n = 26810 8075 digits
n = 49074 14777 digits
n = 81426 24516 digits
n = 156074 46987 digits
n = 218642 65822 digits
n = 242762 73083 digits
n = 1345202 404950 digits Jul 2015 Mark English; PSieve; srsieve; PrimeGrid; LLR
n = 1780374 535950 digits Dec 2023 PPSE; PrimeGrid
k: 6081
max n: 2.372.414
n = 1 5 digits
n = 3 5 digits
n = 24 12 digits
n = 25 12 digits
n = 52 20 digits
n = 57 21 digits
n = 123 41 digits
n = 156 51 digits
n = 232 74 digits
n = 252 80 digits
n = 253 80 digits
n = 381 119 digits
n = 384 120 digits
n = 520 161 digits
n = 745 229 digits
n = 1248 380 digits
n = 1332 405 digits
n = 1533 466 digits
n = 1692 514 digits
n = 1732 526 digits
n = 2193 664 digits
n = 2305 698 digits
n = 2580 781 digits
n = 2805 849 digits
n = 3561 1076 digits 1993 Jeffrey Young
n = 4263 1288 digits 1993 Jeffrey Young
n = 5415 1634 digits
n = 6564 1980 digits
n = 6808 2054 digits Mar 1996 Patrick Demichel
n = 6915 2086 digits
n = 9532 2874 digits
n = 11955 3603 digits
n = 12817 3863 digits
n = 12913 3891 digits
n = 13683 4123 digits
n = 14287 4305 digits
n = 14577 4392 digits
n = 19944 6008 digits
n = 20992 6324 digits
n = 24087 7255 digits
n = 24915 7504 digits
n = 30564 9205 digits
n = 30988 9333 digits
n = 31171 9388 digits
n = 34576 10413 digits
n = 84403 25412 digits
n = 99453 29943 digits
n = 105900 31883 digits
n = 107320 32311 digits
n = 151948 45745 digits
n = 185061 55713 digits
n = 241921 72830 digits
n = 308332 92821 digits
n = 365943 110164 digits May 2012 PPSE; PrimeGrid
n = 591457 178051 digits Dec 2010 Krzysztof Ostaszewski; PSieve; srsieve; PrimeGrid; LLR
n = 655941 197462 digits Mar 2011 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 1062705 319910 digits Apr 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1120891 337426 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1417843 426818 digits Aug 2016 Luc Gauthier; PSieve; srsieve; PrimeGrid; LLR
n = 1722100 518408 digits Dec 2022 Michael Millerick; PPSE; PrimeGrid
n = 1795752 540580 digits Jan 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 1824087 549109 digits Jan 2024 Vaughan Davies; PPSE; PrimeGrid
n = 2281224 686721 digits May 2025 Robert Coplin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6083
max n: 2.372.972
n = 9 7 digits
n = 25 12 digits
n = 109 37 digits
n = 141 47 digits
n = 213 68 digits
n = 525 162 digits
n = 609 188 digits
n = 921 282 digits
n = 1357 413 digits
n = 1381 420 digits
n = 1605 487 digits
n = 1713 520 digits
n = 2001 607 digits
n = 2169 657 digits
n = 3089 934 digits
n = 4105 1240 digits 1993 Jeffrey Young
n = 8157 2460 digits May 1996 Patrick Demichel
n = 9225 2781 digits
n = 11709 3529 digits
n = 23853 7185 digits
n = 26805 8073 digits
n = 28281 8518 digits
n = 109241 32889 digits
n = 570565 171761 digits Nov 2010 Constantinos Evangelinos; PSieve; srsieve; PrimeGrid; LLR
n = 746733 224793 digits Feb 2012 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 1170157 352257 digits Oct 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1644565 495068 digits Sep 2021 Max Leupold; PSieve; srsieve; PrimeGrid; LLR
n = 3485877 1049358 digits Oct 2023 Jerry Lin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6085
max n: 2.373.157
n = 38 16 digits
n = 100 34 digits
n = 796 244 digits
n = 1076 328 digits
n = 1318 401 digits
n = 2158 654 digits
n = 3556 1075 digits 1993 Jeffrey Young
n = 3588 1084 digits 1993 Jeffrey Young
n = 4252 1284 digits 1993 Jeffrey Young
n = 7870 2373 digits
n = 22932 6908 digits
n = 23482 7073 digits
n = 48622 14641 digits
n = 79468 23927 digits
n = 154972 46656 digits
n = 225916 68012 digits
n = 530788 159787 digits Jul 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 886366 266827 digits Jun 2012 Daniel Cabaceira; PSieve; srsieve; PrimeGrid; LLR
n = 1851372 557323 digits Jan 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6087
max n: 2.372.783
n = 6 6 digits
n = 7 6 digits
n = 11 8 digits
n = 58 22 digits
n = 71 26 digits
n = 94 33 digits
n = 154 51 digits
n = 207 67 digits
n = 238 76 digits
n = 336 105 digits
n = 384 120 digits
n = 538 166 digits
n = 539 167 digits
n = 1071 327 digits
n = 1079 329 digits
n = 1126 343 digits
n = 1688 512 digits
n = 2290 694 digits
n = 4119 1244 digits 1993 Jeffrey Young
n = 6991 2109 digits Mar 1996 Patrick Demichel
n = 12402 3738 digits
n = 23792 7166 digits
n = 27106 8164 digits
n = 28192 8491 digits
n = 49714 14970 digits
n = 50178 15109 digits
n = 104336 31413 digits
n = 144774 43586 digits
n = 170331 51279 digits
n = 179215 53953 digits
n = 237306 71441 digits
n = 330155 99391 digits
n = 990432 298154 digits Sep 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1843974 555096 digits Jan 2024 Christian Wallbaum; PPSE; PrimeGrid
n = 1958826 589670 digits May 2024 Robert Coplin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2284736 687778 digits Jun 2025 Adrian Schori; PPSE; PrimeGrid
k: 6089
max n: 2.372.784
n = 17 9 digits
n = 53 20 digits
n = 179 58 digits
n = 287 91 digits
n = 737 226 digits
n = 1139 347 digits
n = 1169 356 digits
n = 1361 414 digits
n = 2285 692 digits
n = 2957 894 digits
n = 3209 970 digits
n = 3485 1053 digits 1993 Jeffrey Young
n = 4093 1236 digits 1993 Jeffrey Young
n = 5335 1610 digits
n = 7585 2288 digits
n = 11903 3587 digits
n = 12037 3628 digits
n = 79223 23853 digits
n = 88661 26694 digits
n = 89999 27097 digits
n = 111469 33560 digits
n = 135457 40781 digits
n = 136849 41200 digits
n = 163193 49130 digits
n = 381499 114847 digits Mar 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 452041 136082 digits May 2009 Ville Koskinen; srsieve; PrimeGrid; LLR
n = 792715 238635 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1733609 521873 digits Feb 2023 PPSE; PrimeGrid
k: 6091
max n: 2.372.827
n = 8 7 digits
n = 28 13 digits
n = 148 49 digits
n = 480 149 digits
n = 1948 591 digits
n = 15720 4736 digits
n = 71200 21438 digits
n = 85228 25660 digits
n = 90980 27392 digits
n = 206168 62067 digits
n = 508320 153024 digits May 2010 Jeff Thornton; PSieve; srsieve; PrimeGrid; LLR
n = 538260 162037 digits Aug 2010 James Winskill; PSieve; srsieve; PrimeGrid; LLR
k: 6093
max n: 2.372.836
n = 2 5 digits
n = 5 6 digits
n = 6 6 digits
n = 12 8 digits
n = 18 10 digits
n = 26 12 digits
n = 33 14 digits
n = 42 17 digits
n = 48 19 digits
n = 81 29 digits
n = 126 42 digits
n = 213 68 digits
n = 357 112 digits
n = 369 115 digits
n = 378 118 digits
n = 458 142 digits
n = 662 204 digits
n = 806 247 digits
n = 1005 307 digits
n = 1934 586 digits
n = 1986 602 digits
n = 2462 745 digits
n = 2465 746 digits
n = 2489 754 digits
n = 4917 1484 digits 1993 Jeffrey Young
n = 6362 1919 digits
n = 8078 2436 digits
n = 12965 3907 digits
n = 25941 7813 digits
n = 57842 17416 digits
n = 60722 18283 digits
n = 61262 18446 digits
n = 65318 19667 digits
n = 72909 21952 digits
n = 73818 22226 digits
n = 91598 27578 digits
n = 102188 30766 digits
n = 192326 57900 digits
n = 193329 58202 digits
n = 210258 63298 digits
n = 316994 95429 digits
n = 648164 195121 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1037546 312337 digits Feb 2013 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1393992 419638 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 6095
max n: 2.372.870
n = 3 5 digits
n = 67 24 digits
n = 111 38 digits
n = 279 88 digits
n = 481 149 digits
n = 627 193 digits
n = 9363 2823 digits
n = 14031 4228 digits
n = 16423 4948 digits
n = 46587 14028 digits
n = 53841 16212 digits
n = 79591 23964 digits
n = 139281 41932 digits
n = 1335423 402007 digits May 2015 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1779403 535658 digits Dec 2023 Jaroslav Sekanina; PPSE; PrimeGrid
n = 1851721 557428 digits Jan 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6097
max n: 2.372.839
n = 4 5 digits
n = 6 6 digits
n = 14 8 digits
n = 16 9 digits
n = 18 10 digits
n = 26 12 digits
n = 28 13 digits
n = 36 15 digits
n = 44 18 digits
n = 64 24 digits
n = 72 26 digits
n = 78 28 digits
n = 88 31 digits
n = 110 37 digits
n = 118 40 digits
n = 150 49 digits
n = 220 71 digits
n = 264 84 digits
n = 266 84 digits
n = 442 137 digits
n = 446 139 digits
n = 460 143 digits
n = 482 149 digits
n = 554 171 digits
n = 588 181 digits
n = 688 211 digits
n = 858 263 digits
n = 896 274 digits
n = 950 290 digits
n = 1436 437 digits
n = 1780 540 digits
n = 1818 552 digits
n = 2008 609 digits
n = 2084 632 digits
n = 2588 783 digits
n = 3058 925 digits
n = 3208 970 digits
n = 4546 1373 digits 1993 Jeffrey Young
n = 5198 1569 digits
n = 5738 1732 digits
n = 6272 1892 digits
n = 7632 2302 digits May 1996 Patrick Demichel
n = 9406 2836 digits
n = 10658 3213 digits
n = 12036 3627 digits
n = 14690 4426 digits
n = 17234 5192 digits
n = 18850 5679 digits
n = 21798 6566 digits
n = 27572 8304 digits
n = 62046 18682 digits
n = 109368 32927 digits
n = 131684 39645 digits
n = 178020 53594 digits
n = 221162 66581 digits
n = 315040 94841 digits
n = 320726 96552 digits
n = 335884 101115 digits Apr 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 386216 116267 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 414314 124725 digits Oct 2012 PPSE; PrimeGrid
n = 519900 156510 digits Jun 2010 Donald Hatland; PSieve; srsieve; PrimeGrid; LLR
n = 528924 159226 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 607780 182964 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 697788 210059 digits Sep 2011 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 877340 264110 digits May 2012 Martin Megele; PSieve; srsieve; PrimeGrid; LLR
n = 1342204 404048 digits Jun 2015 Tod Slakans; PSieve; srsieve; PrimeGrid; LLR
n = 1504634 452944 digits Nov 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1873292 563921 digits Feb 2024 Adrian Schori; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2007570 604343 digits Oct 2024 Michael Millerick; PPSE; PrimeGrid
k: 6099
max n: 2.372.882
n = 13 8 digits
n = 18 10 digits
n = 19 10 digits
n = 25 12 digits
n = 26 12 digits
n = 33 14 digits
n = 79 28 digits
n = 105 36 digits
n = 179 58 digits
n = 195 63 digits
n = 203 65 digits
n = 295 93 digits
n = 403 126 digits
n = 578 178 digits
n = 599 185 digits
n = 745 229 digits
n = 1234 376 digits
n = 1475 448 digits
n = 1858 564 digits
n = 6258 1888 digits
n = 22074 6649 digits
n = 25554 7697 digits
n = 29335 8835 digits
n = 35343 10644 digits
n = 35874 10803 digits
n = 36650 11037 digits
n = 39103 11775 digits
n = 39554 11911 digits
n = 77899 23454 digits
n = 88879 26760 digits
n = 91535 27559 digits
n = 113346 34125 digits
n = 126098 37964 digits
n = 300343 90417 digits
n = 332353 100053 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 377265 113572 digits Jun 2012 Adrian Schori; PPSE; PrimeGrid
n = 640039 192675 digits Feb 2011 Jeff Smith; PSieve; srsieve; PrimeGrid; LLR
n = 869343 261703 digits May 2012 Stefan Hofacker; PSieve; srsieve; PrimeGrid; LLR
n = 998559 300600 digits Sep 2012 Ken Chan; PSieve; srsieve; PrimeGrid; LLR
n = 1562799 470454 digits Feb 2020 Johnathan Chu; PSieve; srsieve; PrimeGrid; LLR
n = 1739194 523554 digits Apr 2023 Jace Tyndall; PPSE; PrimeGrid
n = 3467689 1043883 digits Apr 2023 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6101
max n: 2.372.794
n = 1 5 digits
n = 3 5 digits
n = 9 7 digits
n = 19 10 digits
n = 25 12 digits
n = 27 12 digits
n = 29 13 digits
n = 91 32 digits
n = 93 32 digits
n = 99 34 digits
n = 139 46 digits
n = 809 248 digits
n = 2955 894 digits
n = 2979 901 digits
n = 4187 1265 digits 1993 Jeffrey Young
n = 4433 1339 digits 1993 Jeffrey Young
n = 15989 4817 digits
n = 17381 5236 digits
n = 17747 5347 digits
n = 24163 7278 digits
n = 25875 7793 digits
n = 37325 11240 digits
n = 38949 11729 digits
n = 61251 18443 digits
n = 66091 19900 digits
n = 67193 20231 digits
n = 75387 22698 digits
n = 76941 23166 digits
n = 79259 23864 digits
n = 107781 32450 digits
n = 140925 42427 digits
n = 254361 76575 digits
n = 308169 92772 digits
n = 314249 94603 digits
n = 329019 99049 digits
n = 366307 110274 digits May 2012 PPSE; PrimeGrid
n = 520011 156543 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 607531 182889 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 618003 186042 digits Jan 2011 Naoto Aoyama; PSieve; srsieve; PrimeGrid; LLR
n = 640043 192676 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 662981 199581 digits Apr 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 763993 229989 digits Feb 2012 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 949025 285689 digits Jul 2012 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 1285091 386855 digits Jul 2014 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1485709 447247 digits Mar 2018 Pavel Adamec; PSieve; srsieve; PrimeGrid; LLR
n = 1961315 590419 digits May 2024 Thomas Kelley; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2338251 703888 digits Jan 2026 Yonathan Ferry Hendrawan; PPSE; PrimeGrid
n = 3480801 1047830 digits Aug 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6103
max n: 2.372.383
n = 2 5 digits
n = 4 5 digits
n = 10 7 digits
n = 16 9 digits
n = 22 11 digits
n = 26 12 digits
n = 64 24 digits
n = 116 39 digits
n = 160 52 digits
n = 226 72 digits
n = 290 92 digits
n = 650 200 digits
n = 736 226 digits
n = 1366 415 digits
n = 1376 419 digits
n = 1456 443 digits
n = 4142 1251 digits 1993 Jeffrey Young
n = 6854 2068 digits
n = 7244 2185 digits
n = 8390 2530 digits
n = 49846 15009 digits
n = 60856 18324 digits
n = 76960 23172 digits
n = 97504 29356 digits
n = 132872 40003 digits
n = 161792 48709 digits
n = 235900 71017 digits
n = 315106 94861 digits
n = 545776 164299 digits Sep 2010 Andreas Kelm; PSieve; srsieve; PrimeGrid; LLR
n = 607294 182818 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1091626 328616 digits May 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
k: 6105
max n: 2.372.742
n = 1 5 digits
n = 2 5 digits
n = 6 6 digits
n = 10 7 digits
n = 12 8 digits
n = 16 9 digits
n = 17 9 digits
n = 20 10 digits
n = 40 16 digits
n = 41 17 digits
n = 46 18 digits
n = 52 20 digits
n = 57 21 digits
n = 60 22 digits
n = 61 23 digits
n = 73 26 digits
n = 80 28 digits
n = 108 37 digits
n = 250 80 digits
n = 320 101 digits
n = 328 103 digits
n = 343 108 digits
n = 346 108 digits
n = 397 124 digits
n = 837 256 digits
n = 1048 320 digits
n = 1586 482 digits
n = 1822 553 digits
n = 2202 667 digits
n = 2277 690 digits
n = 2657 804 digits
n = 3086 933 digits
n = 3256 984 digits
n = 3790 1145 digits 1993 Jeffrey Young
n = 5073 1531 digits
n = 5608 1692 digits
n = 10521 3171 digits
n = 15626 4708 digits
n = 16677 5025 digits
n = 24577 7403 digits
n = 38453 11580 digits
n = 57841 17416 digits
n = 70301 21167 digits
n = 72740 21901 digits
n = 75632 22772 digits
n = 237921 71626 digits
n = 318996 96032 digits
n = 382128 115036 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 419766 126366 digits Oct 2012 Honza Cholt; PPSE; PrimeGrid
n = 822336 247552 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 913305 274936 digits Jun 2012 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 933305 280957 digits Jul 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 978332 294512 digits Aug 2012 Michael Millerick; PSieve; srsieve; PrimeGrid; LLR
n = 1013207 305010 digits Oct 2012 Kimmo Myllyvirta; PSieve; srsieve; PrimeGrid; LLR
n = 1068937 321786 digits Apr 2013 Konstantin Manz; PSieve; srsieve; PrimeGrid; LLR
n = 1102217 331805 digits Jul 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1145570 344855 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1166152 351051 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1335125 401917 digits Jul 2015 Robert L. Clark; PSieve; srsieve; PrimeGrid; LLR
n = 1373417 413444 digits Jan 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 6107
max n: 2.372.834
n = 3 5 digits
n = 11 8 digits
n = 15 9 digits
n = 23 11 digits
n = 51 20 digits
n = 71 26 digits
n = 1175 358 digits
n = 2271 688 digits
n = 2307 699 digits
n = 3207 970 digits
n = 89547 26961 digits
n = 303707 91429 digits
n = 441767 132989 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 1243647 374379 digits Feb 2014 Victor Vacaretu; PSieve; srsieve; PrimeGrid; LLR
n = 2299923 692350 digits
k: 6109
max n: 2.373.354
n = 22 11 digits
n = 34 15 digits
n = 186 60 digits
n = 250 80 digits
n = 294 93 digits
n = 346 108 digits
n = 682 210 digits
n = 774 237 digits
n = 1014 310 digits
n = 19930 6004 digits
n = 89278 26880 digits
n = 118302 35617 digits
n = 125554 37800 digits
n = 500082 150544 digits Apr 2009 Brian Carpenter; srsieve; PrimeGrid; LLR
n = 532146 160196 digits Jul 2010 Tetsuya Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 885954 266703 digits May 2012 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
n = 1105870 332904 digits Jul 2013 Lukasz Piotrowski; PSieve; srsieve; PrimeGrid; LLR
n = 1720434 517907 digits Nov 2022 Stefan Larsson; PPSE; PrimeGrid
k: 6111
max n: 2.372.386
n = 3 5 digits
n = 4 5 digits
n = 7 6 digits
n = 8 7 digits
n = 11 8 digits
n = 13 8 digits
n = 19 10 digits
n = 21 11 digits
n = 23 11 digits
n = 24 12 digits
n = 37 15 digits
n = 39 16 digits
n = 40 16 digits
n = 59 22 digits
n = 68 25 digits
n = 80 28 digits
n = 107 36 digits
n = 117 40 digits
n = 175 57 digits
n = 179 58 digits
n = 268 85 digits
n = 301 95 digits
n = 312 98 digits
n = 371 116 digits
n = 468 145 digits
n = 807 247 digits
n = 879 269 digits
n = 964 294 digits
n = 1024 313 digits
n = 1087 332 digits
n = 1699 516 digits
n = 1871 568 digits
n = 1924 583 digits
n = 2864 866 digits
n = 3039 919 digits
n = 4045 1222 digits 1993 Jeffrey Young
n = 4099 1238 digits 1993 Jeffrey Young
n = 6408 1933 digits
n = 9368 2824 digits
n = 9859 2972 digits
n = 10605 3197 digits
n = 15293 4608 digits
n = 16535 4982 digits
n = 18668 5624 digits
n = 23900 7199 digits
n = 24944 7513 digits
n = 50408 15179 digits
n = 75827 22830 digits
n = 93133 28040 digits
n = 135584 40819 digits
n = 261411 78697 digits
n = 306471 92261 digits
n = 328992 99041 digits
n = 394303 118701 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 401980 121012 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 486381 146420 digits Jan 2010 Andrew Graham; PSieve; srsieve; PrimeGrid; LLR
n = 508997 153228 digits May 2010 Jack England; PSieve; srsieve; PrimeGrid; LLR
n = 510739 153752 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 555391 167194 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 588503 177161 digits Dec 2010 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 594317 178912 digits Dec 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 863224 259861 digits May 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
n = 1329244 400147 digits Mar 2015 Marcel Out; PSieve; srsieve; PrimeGrid; LLR
n = 1579437 475462 digits May 2020 Gergo Gomor; PSieve; srsieve; PrimeGrid; LLR
n = 1953887 588183 digits May 2024 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2164405 651555 digits Feb 2025 Dan Bishopp; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR
n = 2214035 666495 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6113
max n: 2.372.972
n = 1 5 digits
n = 13 8 digits
n = 53 20 digits
n = 77 27 digits
n = 81 29 digits
n = 141 47 digits
n = 177 58 digits
n = 209 67 digits
n = 605 186 digits
n = 685 210 digits
n = 1677 509 digits
n = 1721 522 digits
n = 1789 543 digits
n = 2697 816 digits
n = 3025 915 digits
n = 4425 1336 digits 1993 Jeffrey Young
n = 5641 1702 digits
n = 6297 1900 digits
n = 8693 2621 digits
n = 11549 3481 digits
n = 13161 3966 digits
n = 15721 4737 digits
n = 24225 7297 digits
n = 38081 11468 digits
n = 57309 17256 digits
n = 94657 28499 digits
n = 113365 34131 digits
n = 169545 51042 digits
n = 175733 52905 digits
n = 189949 57185 digits
n = 220677 66435 digits
n = 293777 88440 digits
n = 302193 90973 digits
n = 686505 206663 digits Sep 2011 Václav Vinklát; PSieve; srsieve; PrimeGrid; LLR
n = 831197 250220 digits Apr 2012 Joni Myyryläinen; PSieve; srsieve; PrimeGrid; LLR
n = 933541 281028 digits Jul 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1058825 318742 digits Apr 2013 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1962081 590650 digits May 2024 Mike Parker; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2139165 643957 digits Jan 2025 Mario Lein; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2162273 650913 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6115
max n: 2.372.335
n = 4 5 digits
n = 8 7 digits
n = 44 18 digits
n = 56 21 digits
n = 74 27 digits
n = 78 28 digits
n = 308 97 digits
n = 328 103 digits
n = 368 115 digits
n = 504 156 digits
n = 3278 991 digits
n = 3936 1189 digits 1993 Jeffrey Young
n = 4094 1237 digits 1993 Jeffrey Young
n = 22148 6671 digits
n = 31678 9540 digits
n = 49108 14787 digits
n = 125352 37739 digits
n = 133118 40077 digits
n = 348718 104979 digits Apr 2012 Bruce Dodson; PPSE; PrimeGrid
n = 609912 183606 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 822634 247642 digits Apr 2012 Shinya Matsuo; PSieve; srsieve; PrimeGrid; LLR
n = 916212 275812 digits Jun 2012 Matthieu Poney; PSieve; srsieve; PrimeGrid; LLR
n = 1430928 430757 digits Jan 2017 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1880406 566063 digits Feb 2024 Sam Black; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2296892 691438 digits Jul 2025 Chase Tarson; PPSE; PrimeGrid
n = 3358998 1011163 digits Mar 2021 Drew Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6117
max n: 2.372.623
n = 2 5 digits
n = 10 7 digits
n = 34 15 digits
n = 50 19 digits
n = 56 21 digits
n = 104 36 digits
n = 112 38 digits
n = 232 74 digits
n = 332 104 digits
n = 482 149 digits
n = 490 152 digits
n = 670 206 digits
n = 728 223 digits
n = 778 238 digits
n = 1691 513 digits
n = 1850 561 digits
n = 3239 979 digits
n = 3598 1087 digits 1993 Jeffrey Young
n = 5216 1574 digits
n = 5972 1802 digits
n = 6898 2081 digits Mar 1996 Patrick Demichel
n = 8999 2713 digits
n = 10690 3222 digits
n = 30494 9184 digits
n = 30826 9284 digits
n = 32756 9865 digits
n = 38519 11600 digits
n = 53831 16209 digits
n = 141616 42635 digits
n = 205790 61953 digits
n = 221480 66676 digits
n = 226850 68293 digits
n = 372254 112064 digits May 2012 Adrian Schori; PPSE; PrimeGrid
n = 461176 138832 digits Jul 2009 Rodger M. Ewing; srsieve; PrimeGrid; LLR
n = 566672 170590 digits Oct 2010 Brendan Gallagher; PSieve; srsieve; PrimeGrid; LLR
n = 1050836 316337 digits Mar 2013 Benjamin Glasgow; PSieve; srsieve; PrimeGrid; LLR
k: 6119
max n: 2.372.810
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 15 9 digits
n = 95 33 digits
n = 141 47 digits
n = 145 48 digits
n = 159 52 digits
n = 233 74 digits
n = 411 128 digits
n = 589 182 digits
n = 803 246 digits
n = 883 270 digits
n = 1591 483 digits
n = 1775 539 digits
n = 2101 637 digits
n = 2715 822 digits
n = 3763 1137 digits 1993 Jeffrey Young
n = 4481 1353 digits 1993 Jeffrey Young
n = 4543 1372 digits 1993 Jeffrey Young
n = 4795 1448 digits 1993 Jeffrey Young
n = 7583 2287 digits
n = 8655 2610 digits
n = 8725 2631 digits
n = 8923 2690 digits
n = 21719 6542 digits
n = 52963 15948 digits
n = 98255 29582 digits
n = 118475 35669 digits
n = 126535 38095 digits
n = 220693 66439 digits
n = 263481 79320 digits
n = 275779 83022 digits
n = 356633 107362 digits May 2012 PPSE; PrimeGrid
n = 436861 131513 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 458529 138035 digits Jun 2009 Alan J Hidy; srsieve; PrimeGrid; LLR
n = 471565 141959 digits Oct 2009 Stefan Canje; srsieve; PrimeGrid; LLR
n = 862883 259758 digits May 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1012493 304795 digits Oct 2012 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1675153 504276 digits Feb 2022 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
k: 6121
max n: 2.373.239
n = 24 12 digits
n = 128 43 digits
n = 1712 520 digits
n = 3960 1196 digits 1993 Jeffrey Young
n = 7584 2287 digits
n = 13728 4137 digits
n = 1481568 446001 digits Feb 2018 Jonathan Sipes; PSieve; srsieve; PrimeGrid; LLR
k: 6123
max n: 2.372.756
n = 6 6 digits
n = 24 12 digits
n = 36 15 digits
n = 42 17 digits
n = 45 18 digits
n = 52 20 digits
n = 54 21 digits
n = 64 24 digits
n = 66 24 digits
n = 76 27 digits
n = 90 31 digits
n = 142 47 digits
n = 189 61 digits
n = 237 76 digits
n = 352 110 digits
n = 366 114 digits
n = 400 125 digits
n = 504 156 digits
n = 900 275 digits
n = 1686 512 digits
n = 2434 737 digits
n = 4689 1416 digits 1993 Jeffrey Young
n = 7014 2116 digits Mar 1996 Patrick Demichel
n = 11685 3522 digits
n = 15696 4729 digits
n = 16689 5028 digits
n = 16866 5081 digits
n = 16984 5117 digits
n = 18930 5703 digits
n = 24600 7410 digits
n = 28101 8464 digits
n = 30522 9192 digits
n = 31129 9375 digits
n = 55570 16733 digits
n = 62842 18922 digits
n = 68497 20624 digits
n = 81406 24510 digits
n = 141885 42716 digits
n = 260194 78330 digits
n = 357474 107615 digits May 2012 David Yost; PPSE; PrimeGrid
n = 523410 157566 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 671773 202228 digits Jun 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 678897 204373 digits Aug 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 786253 236690 digits Mar 2012 Tomo Koscak; PSieve; srsieve; PrimeGrid; LLR
n = 993642 299120 digits Sep 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1034689 311477 digits Jan 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1683856 506895 digits Apr 2022 Benjamin Lynch; PPSE; PrimeGrid
k: 6125
max n: 2.373.022
n = 1 5 digits
n = 11 8 digits
n = 23 11 digits
n = 37 15 digits
n = 107 36 digits
n = 115 39 digits
n = 707 217 digits
n = 991 303 digits
n = 1115 340 digits
n = 1561 474 digits
n = 2115 641 digits
n = 2965 897 digits
n = 4041 1221 digits 1993 Jeffrey Young
n = 4585 1385 digits 1993 Jeffrey Young
n = 4801 1450 digits 1993 Jeffrey Young
n = 5031 1519 digits
n = 5437 1641 digits
n = 7367 2222 digits May 1996 Patrick Demichel
n = 8197 2472 digits May 1996 Patrick Demichel
n = 9717 2929 digits
n = 11155 3362 digits
n = 21433 6456 digits
n = 23607 7111 digits
n = 26971 8123 digits
n = 27073 8154 digits
n = 39175 11797 digits
n = 43141 12991 digits
n = 98151 29551 digits
n = 122983 37026 digits
n = 186283 56081 digits
n = 189367 57009 digits
n = 207371 62429 digits
n = 397905 119786 digits Jul 2012 Frank Matillek; PPSE; PrimeGrid
n = 526451 158482 digits Jul 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 573061 172513 digits Nov 2010 Sakura Kinomoto; PSieve; srsieve; PrimeGrid; LLR
n = 627253 188826 digits Feb 2011 Eric R Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 837215 252031 digits Apr 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1119775 337090 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1144307 344475 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1516081 456390 digits Feb 2019 Lukas Jaros; PSieve; srsieve; PrimeGrid; LLR
n = 1623373 488688 digits Feb 2021 Greg McDevitt; PSieve; srsieve; PrimeGrid; LLR
n = 2109033 634886 digits Jan 2025 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6127
max n: 2.372.777
n = 2 5 digits
n = 10 7 digits
n = 30 13 digits
n = 36 15 digits
n = 38 16 digits
n = 106 36 digits
n = 140 46 digits
n = 200 64 digits
n = 346 108 digits
n = 430 134 digits
n = 602 186 digits
n = 636 196 digits
n = 866 265 digits
n = 1620 492 digits
n = 2902 878 digits
n = 3102 938 digits
n = 3446 1042 digits 1993 Jeffrey Young
n = 3766 1138 digits 1993 Jeffrey Young
n = 3900 1178 digits 1993 Jeffrey Young
n = 5606 1692 digits
n = 7728 2331 digits May 1996 Patrick Demichel
n = 10310 3108 digits
n = 11366 3426 digits
n = 14700 4429 digits
n = 28506 8585 digits
n = 29270 8815 digits
n = 60516 18221 digits
n = 61326 18465 digits
n = 68100 20504 digits
n = 70110 21110 digits
n = 87110 26227 digits
n = 99596 29986 digits
n = 139286 41934 digits
n = 140062 42167 digits
n = 316400 95250 digits
n = 370442 111518 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 408262 122903 digits Aug 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 454490 136819 digits May 2009 Mitsuhiro Endo; srsieve; PrimeGrid; LLR
n = 538118 161994 digits Jul 2010 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 718830 216394 digits Nov 2011 Michael D. Hittle; PSieve; srsieve; PrimeGrid; LLR
n = 728582 219329 digits Feb 2012 Yuriy Bogachov; PSieve; srsieve; PrimeGrid; LLR
n = 1102942 332023 digits Jul 2013 Ben F. Nelson; PSieve; srsieve; PrimeGrid; LLR
n = 1213206 365216 digits Dec 2013 Charlie McDonald; PSieve; srsieve; PrimeGrid; LLR
n = 1786124 537681 digits Dec 2023 Derek Gordon; PPSE; PrimeGrid
n = 1815346 546478 digits Jan 2024 Dmytro Volosovsky; PPSE; PrimeGrid
n = 3481244 1047963 digits Sep 2023 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6129
max n: 2.371.978
n = 2 5 digits
n = 3 5 digits
n = 7 6 digits
n = 10 7 digits
n = 11 8 digits
n = 18 10 digits
n = 22 11 digits
n = 66 24 digits
n = 102 35 digits
n = 135 45 digits
n = 186 60 digits
n = 206 66 digits
n = 666 205 digits
n = 1066 325 digits
n = 1787 542 digits
n = 2123 643 digits
n = 2506 759 digits
n = 2863 866 digits
n = 3171 959 digits
n = 3306 999 digits
n = 4391 1326 digits 1993 Jeffrey Young
n = 4507 1361 digits 1993 Jeffrey Young
n = 4571 1380 digits 1993 Jeffrey Young
n = 4905 1481 digits 1993 Jeffrey Young
n = 5015 1514 digits
n = 5947 1795 digits
n = 8435 2543 digits
n = 17411 5246 digits
n = 30726 9254 digits
n = 34122 10276 digits
n = 44351 13355 digits
n = 44766 13480 digits
n = 56527 17021 digits
n = 59910 18039 digits
n = 73722 22197 digits
n = 105498 31762 digits
n = 133406 40163 digits
n = 143191 43109 digits
n = 152562 45930 digits
n = 177030 53296 digits
n = 523747 157668 digits Jul 2010 Lukas Korpelainen; PSieve; srsieve; PrimeGrid; LLR
n = 535586 161232 digits Jul 2010 Jarosław Trukses; PSieve; srsieve; PrimeGrid; LLR
n = 765078 230316 digits Feb 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 796358 239732 digits Mar 2012 Damian Peter Shaw; PSieve; srsieve; PrimeGrid; LLR
n = 938263 282450 digits Jul 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 1047490 315330 digits Feb 2013 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1382106 416060 digits Feb 2016 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1590270 478723 digits Sep 2020 Michael Goetz; PSieve; srsieve; PrimeGrid; LLR
n = 1602691 482462 digits Sep 2020 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 1802291 542548 digits Jan 2024 Gregory Bennett; PPSE; PrimeGrid
k: 6131
max n: 2.372.788
n = 1 5 digits
n = 5 6 digits
n = 17 9 digits
n = 19 10 digits
n = 29 13 digits
n = 61 23 digits
n = 139 46 digits
n = 145 48 digits
n = 185 60 digits
n = 245 78 digits
n = 677 208 digits
n = 929 284 digits
n = 1055 322 digits
n = 4055 1225 digits 1993 Jeffrey Young
n = 5645 1704 digits
n = 8927 2692 digits
n = 11525 3474 digits
n = 34547 10404 digits
n = 47881 14418 digits
n = 75427 22710 digits
n = 84725 25509 digits
n = 284819 85743 digits
n = 362117 109012 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 486641 146498 digits Jan 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 504947 152008 digits May 2010 Ossi Mauno; PSieve; srsieve; PrimeGrid; LLR
n = 579137 174342 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 647537 194932 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 850019 255886 digits May 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 879605 264792 digits May 2012 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 1144235 344453 digits Aug 2013 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 1293217 389301 digits Sep 2014 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1771759 533357 digits Nov 2023 Vaughan Davies; PPSE; PrimeGrid
k: 6133
max n: 2.373.378
n = 2 5 digits
n = 4 5 digits
n = 42 17 digits
n = 50 19 digits
n = 90 31 digits
n = 154 51 digits
n = 170 55 digits
n = 442 137 digits
n = 658 202 digits
n = 1034 316 digits
n = 1180 360 digits
n = 1538 467 digits
n = 3522 1065 digits 1993 Jeffrey Young
n = 5018 1515 digits
n = 5674 1712 digits
n = 12522 3774 digits
n = 16394 4939 digits
n = 19140 5766 digits
n = 20650 6221 digits
n = 20858 6283 digits
n = 25344 7634 digits
n = 177738 53509 digits
n = 301072 90636 digits
n = 450658 135666 digits Apr 2009 Alan Jung; srsieve; PrimeGrid; LLR
n = 755090 227309 digits Feb 2012 Mark Doom; PSieve; srsieve; PrimeGrid; LLR
n = 1983618 597133 digits Jul 2024 Robert Coplin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6135
max n: 2.372.816
n = 3 5 digits
n = 11 8 digits
n = 14 9 digits
n = 18 10 digits
n = 21 11 digits
n = 26 12 digits
n = 44 18 digits
n = 51 20 digits
n = 78 28 digits
n = 93 32 digits
n = 99 34 digits
n = 170 55 digits
n = 243 77 digits
n = 389 121 digits
n = 509 158 digits
n = 569 176 digits
n = 800 245 digits
n = 890 272 digits
n = 905 277 digits
n = 2043 619 digits
n = 4208 1271 digits 1993 Jeffrey Young
n = 4964 1499 digits 1993 Jeffrey Young
n = 5675 1713 digits
n = 7610 2295 digits
n = 13854 4175 digits
n = 15729 4739 digits
n = 23067 6948 digits 1996 Patrick Demichel
n = 63921 19246 digits
n = 117980 35520 digits
n = 166667 50176 digits
n = 197384 59423 digits
n = 214674 64628 digits
n = 279390 84109 digits
n = 281841 84847 digits
n = 403166 121369 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 496874 149578 digits
n = 540753 162787 digits Aug 2010 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 829683 249764 digits Apr 2012 Patrick Zeczycki; PSieve; srsieve; PrimeGrid; LLR
n = 871859 262460 digits May 2012 Bill Sugino; PSieve; srsieve; PrimeGrid; LLR
n = 918164 276399 digits Jun 2012 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
k: 6137
max n: 2.373.078
n = 7 6 digits
n = 19 10 digits
n = 91 32 digits
n = 3487 1054 digits 1993 Jeffrey Young
n = 13651 4114 digits
n = 34171 10291 digits
n = 43867 13210 digits
n = 50559 15224 digits
n = 153451 46198 digits
k: 6139
max n: 2.373.341
n = 58 22 digits
n = 3282 992 digits
n = 10974 3308 digits
n = 128322 38633 digits
n = 192702 58013 digits
n = 1828042 550300 digits Jan 2024 Valter Cavecchia; PPSE; PrimeGrid
k: 6141
max n: 2.372.782
n = 4 5 digits
n = 8 7 digits
n = 13 8 digits
n = 15 9 digits
n = 20 10 digits
n = 24 12 digits
n = 28 13 digits
n = 55 21 digits
n = 89 31 digits
n = 101 35 digits
n = 113 38 digits
n = 143 47 digits
n = 188 61 digits
n = 253 80 digits
n = 448 139 digits
n = 616 190 digits
n = 1023 312 digits
n = 1792 544 digits
n = 2024 614 digits
n = 2140 648 digits
n = 2161 655 digits
n = 2351 712 digits
n = 3479 1052 digits 1993 Jeffrey Young
n = 4052 1224 digits 1993 Jeffrey Young
n = 4283 1294 digits 1993 Jeffrey Young
n = 4931 1489 digits 1993 Jeffrey Young
n = 5012 1513 digits
n = 5512 1664 digits
n = 8273 2495 digits
n = 8581 2587 digits May 1996 Patrick Demichel
n = 14873 4482 digits
n = 20480 6169 digits Aug 1997 Kenneth J. Brazier; Proth
n = 24695 7438 digits
n = 29984 9030 digits
n = 36964 11132 digits
n = 38079 11467 digits
n = 39040 11756 digits
n = 52649 15853 digits
n = 76348 22987 digits
n = 77339 23286 digits
n = 81280 24472 digits
n = 85895 25861 digits
n = 104495 31460 digits
n = 106399 32034 digits
n = 134869 40604 digits
n = 151652 45656 digits
n = 157823 47514 digits
n = 173053 52098 digits
n = 252955 76151 digits
n = 258351 77776 digits
n = 273671 82387 digits
n = 275273 82870 digits
n = 306269 92200 digits
n = 366809 110425 digits May 2012 PPSE; PrimeGrid
n = 430363 129556 digits Dec 2012 Michael Millerick; PPSE; PrimeGrid
n = 744464 224110 digits Feb 2012 John Fitch; PSieve; srsieve; PrimeGrid; LLR
n = 939689 282879 digits Jul 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1115840 335906 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1451911 437073 digits Jun 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 6143
max n: 2.372.836
n = 37 15 digits
n = 53 20 digits
n = 65 24 digits
n = 209 67 digits
n = 277 88 digits
n = 433 135 digits
n = 1629 495 digits
n = 2625 794 digits
n = 3849 1163 digits 1993 Jeffrey Young
n = 4485 1354 digits 1993 Jeffrey Young
n = 10645 3209 digits
n = 21349 6431 digits
n = 90629 27286 digits
n = 256445 77202 digits
n = 356589 107348 digits May 2012 PPSE; PrimeGrid
n = 543417 163589 digits Aug 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 611045 183947 digits Jan 2011 Tim Rickard; PSieve; srsieve; PrimeGrid; LLR
n = 889297 267709 digits Jun 2012 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 1291125 388672 digits Sep 2014 Jeffrey Rinvelt; PSieve; srsieve; PrimeGrid; LLR
n = 2332349 702111 digits Dec 2025 Michael Gmirkin; PPSE; PrimeGrid
k: 6145
max n: 2.373.289
n = 4 5 digits
n = 14 9 digits
n = 76 27 digits
n = 160 52 digits
n = 212 68 digits
n = 872 267 digits
n = 3032 917 digits
n = 3350 1013 digits 1993 Jeffrey Young
n = 14342 4322 digits
n = 71432 21507 digits
n = 98944 29789 digits
n = 131260 39517 digits
n = 148562 44726 digits
n = 336760 101379 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 468632 141077 digits Sep 2009 Dave Cuddington; srsieve; PrimeGrid; LLR
n = 602246 181298 digits Jan 2011 Joshua Brandelle Sklare; PSieve; srsieve; PrimeGrid; LLR
n = 847340 255079 digits Apr 2012 Lasse Salmela; PSieve; srsieve; PrimeGrid; LLR
k: 6147
max n: 2.372.315
n = 3 5 digits
n = 12 8 digits
n = 42 17 digits
n = 50 19 digits
n = 63 23 digits
n = 72 26 digits
n = 88 31 digits
n = 91 32 digits
n = 115 39 digits
n = 122 41 digits
n = 146 48 digits
n = 150 49 digits
n = 194 63 digits
n = 204 66 digits
n = 214 69 digits
n = 220 71 digits
n = 418 130 digits
n = 554 171 digits
n = 754 231 digits
n = 1020 311 digits
n = 1104 337 digits
n = 1246 379 digits
n = 2571 778 digits
n = 2578 780 digits
n = 2794 845 digits
n = 3096 936 digits
n = 4182 1263 digits 1993 Jeffrey Young
n = 4484 1354 digits 1993 Jeffrey Young
n = 10683 3220 digits
n = 11136 3357 digits
n = 12238 3688 digits
n = 29955 9022 digits
n = 30346 9139 digits
n = 33054 9955 digits
n = 46718 14068 digits
n = 76386 22999 digits
n = 90842 27350 digits
n = 123114 37065 digits
n = 208696 62828 digits
n = 265298 79867 digits
n = 309583 93198 digits
n = 384207 115662 digits Jun 2012 Ronny Willig; PPSE; PrimeGrid
n = 426866 128504 digits Nov 2012 Gary Harris; PPSE; PrimeGrid
n = 440983 132753 digits Dec 2012 Oleksandr Vynogradov; PPSE; PrimeGrid
n = 595312 179211 digits Dec 2010 Wes Cure; PSieve; srsieve; PrimeGrid; LLR
n = 715911 215515 digits Nov 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 816363 245754 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1233486 371321 digits Jan 2014 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1261044 379616 digits Apr 2014 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1806114 543699 digits Jan 2024 Kristian Cesarini; PPSE; PrimeGrid
n = 2136480 643149 digits Jan 2025 Bernard Schmidt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2153166 648172 digits Feb 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2352231 708096 digits Mar 2026 Alexander Morávek; PPSE; PrimeGrid
k: 6149
max n: 2.372.576
n = 3 5 digits
n = 5 6 digits
n = 15 9 digits
n = 17 9 digits
n = 23 11 digits
n = 39 16 digits
n = 123 41 digits
n = 221 71 digits
n = 249 79 digits
n = 285 90 digits
n = 395 123 digits
n = 1217 371 digits
n = 1841 558 digits
n = 1865 566 digits
n = 2285 692 digits
n = 2843 860 digits
n = 4031 1218 digits 1993 Jeffrey Young
n = 5391 1627 digits
n = 7803 2353 digits
n = 9803 2955 digits
n = 11073 3338 digits
n = 16035 4831 digits
n = 25203 7591 digits
n = 35885 10807 digits
n = 91455 27535 digits
n = 94307 28394 digits
n = 178623 53775 digits
n = 209997 63220 digits
n = 341505 102808 digits Apr 2012 Olivier Tarnus; PPSE; PrimeGrid
n = 406155 122269 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 597221 179786 digits Dec 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 814221 245109 digits Mar 2012 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 1068873 321767 digits Apr 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1742871 524661 digits May 2023 Ryan Propper; PPSE; PrimeGrid
k: 6151
max n: 2.373.448
n = 40 16 digits
n = 208 67 digits
n = 976 298 digits
n = 1188 362 digits
n = 1696 515 digits
n = 2800 847 digits
n = 3640 1100 digits 1993 Jeffrey Young
n = 27112 8166 digits
n = 40960 12334 digits Aug 1997 Kenneth J. Brazier; Proth
n = 61216 18432 digits
n = 90808 27340 digits
n = 116796 35163 digits
n = 147336 44357 digits
n = 166980 50270 digits
n = 169612 51063 digits
n = 196320 59102 digits
n = 225132 67776 digits
n = 384112 115634 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 483156 145449 digits Dec 2009 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 715996 215541 digits Nov 2011 Yongchen Xu; PSieve; srsieve; PrimeGrid; LLR
n = 875712 263620 digits May 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1072300 322799 digits Apr 2013 Kennichi Uehara; PSieve; srsieve; PrimeGrid; LLR
k: 6153
max n: 2.372.684
n = 9 7 digits
n = 12 8 digits
n = 14 9 digits
n = 18 10 digits
n = 34 15 digits
n = 38 16 digits
n = 70 25 digits
n = 84 30 digits
n = 98 34 digits
n = 138 46 digits
n = 190 61 digits
n = 202 65 digits
n = 217 70 digits
n = 405 126 digits
n = 502 155 digits
n = 945 289 digits
n = 1105 337 digits
n = 1294 394 digits
n = 2269 687 digits
n = 2962 896 digits
n = 3210 971 digits
n = 3390 1025 digits 1993 Jeffrey Young
n = 3894 1176 digits 1993 Jeffrey Young
n = 4094 1237 digits 1993 Jeffrey Young
n = 4354 1315 digits 1993 Jeffrey Young
n = 5994 1809 digits
n = 6294 1899 digits
n = 6682 2016 digits Mar 1996 Patrick Demichel
n = 7434 2242 digits
n = 7962 2401 digits
n = 14542 4382 digits
n = 14949 4504 digits
n = 15934 4801 digits
n = 45510 13704 digits
n = 50170 15107 digits
n = 52634 15849 digits
n = 65758 19799 digits
n = 70289 21163 digits
n = 86242 25966 digits
n = 88244 26568 digits
n = 131234 39510 digits
n = 140444 42282 digits
n = 171524 51638 digits
n = 244745 73680 digits
n = 282860 85154 digits
n = 324310 97631 digits
n = 366110 110214 digits May 2012 PPSE; PrimeGrid
n = 475714 143208 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 584810 176050 digits Nov 2010 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 667794 201030 digits Apr 2011 Victor Trombley; PSieve; srsieve; PrimeGrid; LLR
n = 712634 214528 digits Nov 2011 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1367782 411748 digits Nov 2015 Jeffrey A Patrignani; PSieve; srsieve; PrimeGrid; LLR
n = 1378962 415113 digits Feb 2016 Thomas Laroche; PSieve; srsieve; PrimeGrid; LLR
n = 1745389 525419 digits May 2023 Alexey Simbarsky; PPSE; PrimeGrid
n = 1875574 564608 digits Feb 2024 Tom Greer; PPSE; PrimeGrid
k: 6155
max n: 2.373.455
n = 5 6 digits
n = 9 7 digits
n = 15 9 digits
n = 29 13 digits
n = 31 14 digits
n = 35 15 digits
n = 87 30 digits
n = 191 62 digits
n = 199 64 digits
n = 273 86 digits
n = 291 92 digits
n = 309 97 digits
n = 441 137 digits
n = 569 176 digits
n = 617 190 digits
n = 631 194 digits
n = 1365 415 digits
n = 1569 477 digits
n = 1851 561 digits
n = 2417 732 digits
n = 4053 1224 digits 1993 Jeffrey Young
n = 4407 1331 digits 1993 Jeffrey Young
n = 10413 3139 digits
n = 13927 4197 digits
n = 15147 4564 digits
n = 15759 4748 digits
n = 29799 8975 digits
n = 37919 11419 digits
n = 49487 14901 digits
n = 77459 23322 digits
n = 83285 25076 digits
n = 120415 36253 digits
n = 123425 37159 digits
n = 136713 41159 digits
n = 160629 48358 digits
n = 290119 87339 digits
n = 456845 137528 digits May 2009 Lukas Hron; srsieve; PrimeGrid; LLR
n = 754251 227056 digits Feb 2012 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 756051 227598 digits Feb 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 914849 275401 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1047677 315386 digits Feb 2013 Jonathan Champ; PSieve; srsieve; PrimeGrid; LLR
n = 1672519 503483 digits Feb 2022 Christian Wallbaum; PSieve; srsieve; PrimeGrid; LLR
n = 1775741 534556 digits Nov 2023 Vaughan Davies; PPSE; PrimeGrid
k: 6157
max n: 2.372.239
n = 6 6 digits
n = 10 7 digits
n = 14 9 digits
n = 16 9 digits
n = 50 19 digits
n = 94 33 digits
n = 226 72 digits
n = 310 98 digits
n = 456 142 digits
n = 686 211 digits
n = 918 281 digits
n = 1010 308 digits
n = 1434 436 digits
n = 1688 512 digits
n = 1914 580 digits
n = 3678 1111 digits 1993 Jeffrey Young
n = 4926 1487 digits 1993 Jeffrey Young
n = 12230 3686 digits
n = 19190 5781 digits
n = 19384 5839 digits
n = 19410 5847 digits
n = 19530 5883 digits
n = 21124 6363 digits
n = 28694 8642 digits
n = 36220 10908 digits
n = 40906 12318 digits
n = 53028 15967 digits
n = 61608 18550 digits
n = 77544 23347 digits
n = 126514 38089 digits
n = 145526 43812 digits
n = 172480 51926 digits
n = 237806 71591 digits
n = 328676 98946 digits
n = 386680 116407 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 1033364 311078 digits Jan 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1240310 373375 digits Jan 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1642826 494544 digits Aug 2021 Jerzy Gieorgijewski; PSieve; srsieve; PrimeGrid; LLR
n = 2093820 630307 digits Jan 2025 Thorsten Sambale; PPSE; PrimeGrid
n = 2204874 663738 digits Feb 2025 Greg Miller; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2318848 698047 digits Nov 2025 Valter Cavecchia; PPSE; PrimeGrid
k: 6159
max n: 2.372.361
n = 5 6 digits
n = 7 6 digits
n = 26 12 digits
n = 31 14 digits
n = 46 18 digits
n = 79 28 digits
n = 109 37 digits
n = 118 40 digits
n = 167 55 digits
n = 497 154 digits
n = 1301 396 digits
n = 1469 447 digits
n = 1721 522 digits
n = 2203 667 digits
n = 2237 678 digits
n = 2758 835 digits
n = 3698 1117 digits 1993 Jeffrey Young
n = 6691 2018 digits Mar 1996 Patrick Demichel
n = 7222 2178 digits May 1996 Patrick Demichel
n = 11146 3360 digits
n = 11507 3468 digits
n = 12173 3669 digits
n = 17518 5278 digits
n = 18401 5544 digits
n = 19718 5940 digits
n = 23359 7036 digits
n = 54067 16280 digits
n = 75161 22630 digits
n = 238847 71904 digits
n = 267958 80668 digits
n = 326114 98174 digits
n = 329878 99307 digits
n = 330374 99457 digits
n = 429533 129307 digits Dec 2012 Heinz Ming; PPSE; PrimeGrid
n = 444302 133753 digits Dec 2012 Gary Harris; PPSE; PrimeGrid
n = 851029 256190 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 3414623 1027908 digits Apr 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6161
max n: 2.372.848
n = 1 5 digits
n = 9 7 digits
n = 21 11 digits
n = 41 17 digits
n = 49 19 digits
n = 111 38 digits
n = 219 70 digits
n = 253 80 digits
n = 441 137 digits
n = 1549 471 digits
n = 1799 546 digits
n = 6579 1985 digits
n = 10441 3147 digits
n = 12709 3830 digits
n = 15193 4578 digits
n = 24393 7347 digits Apr 1998 Baptiste Heyman; Proth
n = 36651 11037 digits
n = 44353 13356 digits
n = 44689 13457 digits
n = 140653 42345 digits
n = 430423 129575 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 591943 178197 digits Dec 2010 Jacob Mueller; PSieve; srsieve; PrimeGrid; LLR
n = 693471 208760 digits Sep 2011 Yaroslav Buzko; PSieve; srsieve; PrimeGrid; LLR
n = 2351689 707933 digits Mar 2026 PPSE; PrimeGrid
k: 6163
max n: 2.372.779
n = 8 7 digits
n = 12 8 digits
n = 20 10 digits
n = 26 12 digits
n = 36 15 digits
n = 60 22 digits
n = 84 30 digits
n = 188 61 digits
n = 626 193 digits
n = 720 221 digits
n = 2348 711 digits
n = 3650 1103 digits 1993 Jeffrey Young
n = 4008 1211 digits 1993 Jeffrey Young
n = 5120 1546 digits
n = 10280 3099 digits
n = 12288 3703 digits
n = 17546 5286 digits
n = 30804 9277 digits
n = 32954 9924 digits
n = 64250 19345 digits
n = 93780 28235 digits
n = 205118 61751 digits
n = 230126 69279 digits
n = 320040 96346 digits
n = 557366 167788 digits Oct 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 899508 270783 digits Jun 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1064676 320504 digits Apr 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1795548 540518 digits Jan 2024 Ravi Fernando; PPSE; PrimeGrid
k: 6165
max n: 2.372.789
n = 4 5 digits
n = 7 6 digits
n = 9 7 digits
n = 15 9 digits
n = 27 12 digits
n = 34 15 digits
n = 36 15 digits
n = 40 16 digits
n = 57 21 digits
n = 67 24 digits
n = 82 29 digits
n = 280 89 digits
n = 345 108 digits
n = 364 114 digits
n = 405 126 digits
n = 660 203 digits
n = 670 206 digits
n = 705 217 digits
n = 1332 405 digits
n = 2346 711 digits
n = 2974 900 digits
n = 3676 1111 digits 1993 Jeffrey Young
n = 4155 1255 digits 1993 Jeffrey Young
n = 4599 1389 digits 1993 Jeffrey Young
n = 5866 1770 digits
n = 6385 1926 digits
n = 6552 1977 digits
n = 9589 2891 digits
n = 21237 6397 digits
n = 24466 7369 digits Dec 1998 Baptiste Heyman; Proth
n = 45889 13818 digits
n = 50839 15308 digits Apr 1999 Tadashi Taura; Proth
n = 58269 17545 digits
n = 66735 20094 digits
n = 78217 23550 digits
n = 88146 26539 digits
n = 108166 32566 digits
n = 124584 37508 digits
n = 126295 38023 digits
n = 208384 62734 digits
n = 410704 123639 digits Sep 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 483196 145461 digits Dec 2009 Kenneth J. Brazier; PSieve; srsieve; PrimeGrid; LLR
n = 1164796 350643 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1215466 365896 digits Dec 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1309560 394221 digits Feb 2015 Walter Trautner; PSieve; srsieve; PrimeGrid; LLR
n = 1348375 405906 digits Jul 2015 William Donovan; PSieve; srsieve; PrimeGrid; LLR
n = 1488627 448126 digits Apr 2018 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 1683526 506796 digits Apr 2022 Pete Allivato; PPSE; PrimeGrid
k: 6167
max n: 2.373.343
n = 7 6 digits
n = 311 98 digits
n = 1291 393 digits
n = 2235 677 digits
n = 2991 905 digits
n = 3603 1089 digits 1993 Jeffrey Young
n = 6427 1939 digits
n = 13627 4106 digits
n = 21107 6358 digits
n = 43767 13179 digits
n = 75791 22820 digits
n = 270155 81329 digits
n = 568007 170991 digits Nov 2010 Peter Zalewski; PSieve; srsieve; PrimeGrid; LLR
n = 720875 217009 digits Nov 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 747227 224942 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1808263 544346 digits Jan 2024 Michael Millerick; PPSE; PrimeGrid
n = 2352191 708084 digits Mar 2026 Adrian Baker; PPSE; PrimeGrid
k: 6169
max n: 2.372.789
n = 2 5 digits
n = 6 6 digits
n = 10 7 digits
n = 14 9 digits
n = 90 31 digits
n = 182 59 digits
n = 750 230 digits
n = 758 232 digits
n = 846 259 digits
n = 1058 323 digits
n = 1778 540 digits
n = 1970 597 digits
n = 3906 1180 digits 1993 Jeffrey Young
n = 9650 2909 digits
n = 25502 7681 digits
n = 61430 18497 digits
n = 96074 28925 digits
n = 349626 105252 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 413630 124519 digits Oct 2012 Ronny Willig; PPSE; PrimeGrid
n = 497278 149700 digits Jun 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 563426 169612 digits Oct 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 606602 182610 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 855138 257426 digits May 2012 Jeff Kopp; PSieve; srsieve; PrimeGrid; LLR
k: 6171
max n: 2.372.788
n = 1 5 digits
n = 3 5 digits
n = 4 5 digits
n = 9 7 digits
n = 12 8 digits
n = 13 8 digits
n = 15 9 digits
n = 19 10 digits
n = 23 11 digits
n = 35 15 digits
n = 49 19 digits
n = 56 21 digits
n = 61 23 digits
n = 83 29 digits
n = 97 33 digits
n = 107 37 digits
n = 108 37 digits
n = 113 38 digits
n = 140 46 digits
n = 173 56 digits
n = 192 62 digits
n = 212 68 digits
n = 240 77 digits
n = 279 88 digits
n = 305 96 digits
n = 369 115 digits
n = 373 117 digits
n = 388 121 digits
n = 409 127 digits
n = 499 155 digits
n = 536 166 digits
n = 552 170 digits
n = 669 206 digits
n = 712 219 digits
n = 915 280 digits
n = 1621 492 digits
n = 1843 559 digits
n = 2300 697 digits
n = 2840 859 digits
n = 3303 999 digits
n = 3389 1024 digits 1993 Jeffrey Young
n = 4265 1288 digits 1993 Jeffrey Young
n = 5729 1729 digits
n = 6701 2021 digits Mar 1996 Patrick Demichel
n = 6752 2037 digits Mar 1996 Patrick Demichel
n = 9620 2900 digits
n = 9683 2919 digits
n = 10381 3129 digits
n = 10969 3306 digits
n = 13568 4089 digits
n = 13879 4182 digits
n = 14985 4515 digits
n = 17280 5206 digits
n = 23839 7181 digits
n = 24468 7370 digits Dec 1998 Baptiste Heyman; Proth
n = 25019 7536 digits
n = 26549 7996 digits
n = 27579 8306 digits
n = 31285 9422 digits
n = 31540 9499 digits
n = 32896 9907 digits
n = 42953 12934 digits
n = 44708 13463 digits
n = 48389 14571 digits
n = 56835 17113 digits Apr 1999 Tadashi Taura; Proth
n = 64367 19381 digits
n = 66600 20053 digits
n = 99764 30036 digits
n = 123221 37098 digits
n = 124675 37535 digits
n = 175093 52713 digits
n = 198037 59619 digits
n = 202976 61106 digits
n = 247484 74504 digits
n = 306083 92144 digits
n = 375919 113167 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 416177 125286 digits Oct 2012 James Boerner; PPSE; PrimeGrid
n = 481145 144843 digits Nov 2009 Thurmond Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 751095 226106 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 778760 234434 digits Feb 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 854712 257298 digits May 2012 Michael R. McPherson; PSieve; srsieve; PrimeGrid; LLR
n = 937976 282363 digits Jul 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1014705 305461 digits Oct 2012 Ron Belansky; PSieve; srsieve; PrimeGrid; LLR
n = 1136308 342067 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1235161 371825 digits Jan 2014 Victor Vacaretu; PSieve; srsieve; PrimeGrid; LLR
n = 1246721 375305 digits Feb 2014 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1554620 467992 digits Jan 2020 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 1565805 471359 digits Feb 2020 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1658919 499389 digits Feb 2022 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1745323 525399 digits May 2023 ZinSig Kim; PPSE; PrimeGrid
n = 2084777 627585 digits Jan 2025 Pavel Belolipetskiy; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2099348 631971 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2103183 633125 digits Jan 2025 Will Steinbach; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3346480 1007395 digits Jan 2021 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6173
max n: 2.372.832
n = 1 5 digits
n = 293 92 digits
n = 749 230 digits
n = 3013 911 digits
n = 13645 4112 digits
n = 41717 12562 digits
n = 113077 34044 digits
n = 190657 57398 digits
n = 528221 159015 digits Jul 2010 Kevin D Puckett; PSieve; srsieve; PrimeGrid; LLR
k: 6175
max n: 2.373.247
n = 4 5 digits
n = 6 6 digits
n = 8 7 digits
n = 14 9 digits
n = 24 12 digits
n = 38 16 digits
n = 118 40 digits
n = 148 49 digits
n = 380 119 digits
n = 448 139 digits
n = 472 146 digits
n = 488 151 digits
n = 624 192 digits
n = 678 208 digits
n = 788 242 digits
n = 1148 350 digits
n = 2252 682 digits
n = 2814 851 digits
n = 5888 1777 digits
n = 6294 1899 digits
n = 9292 2801 digits
n = 25662 7729 digits
n = 39572 11917 digits
n = 57292 17251 digits
n = 57352 17269 digits
n = 73852 22236 digits
n = 79710 23999 digits
n = 106172 31965 digits
n = 118430 35655 digits
n = 426478 128387 digits Nov 2012 Konstantin Manz; PPSE; PrimeGrid
n = 1083062 326038 digits Apr 2013 William Fick; PSieve; srsieve; PrimeGrid; LLR
n = 1197272 360419 digits Nov 2013 Martin Linderson; PSieve; srsieve; PrimeGrid; LLR
n = 1800838 542111 digits Jan 2024 Steven Wong; PPSE; PrimeGrid
n = 2339948 704399 digits Jan 2026 David Perek; PPSE; PrimeGrid
k: 6177
max n: 2.372.707
n = 2 5 digits
n = 3 5 digits
n = 11 8 digits
n = 18 10 digits
n = 20 10 digits
n = 23 11 digits
n = 24 12 digits
n = 30 13 digits
n = 39 16 digits
n = 50 19 digits
n = 51 20 digits
n = 167 55 digits
n = 290 92 digits
n = 347 109 digits
n = 360 113 digits
n = 687 211 digits
n = 734 225 digits
n = 1112 339 digits
n = 1368 416 digits
n = 1500 456 digits
n = 3044 921 digits
n = 3432 1037 digits 1993 Jeffrey Young
n = 3575 1080 digits 1993 Jeffrey Young
n = 5342 1612 digits
n = 6131 1850 digits
n = 13068 3938 digits
n = 14090 4246 digits
n = 23532 7088 digits 1996 Patrick Demichel
n = 31550 9502 digits
n = 49323 14852 digits
n = 49487 14901 digits
n = 70542 21240 digits
n = 123023 37038 digits
n = 140763 42378 digits
n = 240750 72477 digits
n = 240827 72500 digits
n = 322619 97122 digits
n = 351564 105836 digits May 2012 Michael Becker; PPSE; PrimeGrid
n = 392247 118082 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 430251 129523 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 561188 168939 digits Oct 2010 Frank Schneider; PSieve; srsieve; PrimeGrid; LLR
n = 653492 196725 digits Mar 2011 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 715070 215262 digits Nov 2011 Jacek Kotnowski; PSieve; srsieve; PrimeGrid; LLR
n = 1245440 374919 digits Feb 2014 Mitchell Hicks; PSieve; srsieve; PrimeGrid; LLR
n = 1323794 398506 digits Mar 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
k: 6179
max n: 2.372.628
n = 3 5 digits
n = 15 9 digits
n = 67 24 digits
n = 91 32 digits
n = 165 54 digits
n = 1395 424 digits
n = 1671 507 digits
n = 2187 663 digits
n = 2427 735 digits
n = 3831 1158 digits 1993 Jeffrey Young
n = 7035 2122 digits
n = 24499 7379 digits
n = 63253 19045 digits
n = 307431 92550 digits
n = 507837 152878 digits May 2010 Sergey Lovov; PSieve; srsieve; PrimeGrid; LLR
n = 589143 177354 digits Dec 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 778909 234479 digits Feb 2012 Robert Hoffman; PSieve; srsieve; PrimeGrid; LLR
n = 2091079 629482 digits Jan 2025 Bernd Mollerus; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3325027 1000937 digits Nov 2019 James Breslin; PSieve; srsieve; PrimeGrid; LLR
k: 6181
max n: 2.373.143
n = 4 5 digits
n = 8 7 digits
n = 76 27 digits
n = 568 175 digits
n = 1004 307 digits
n = 1936 587 digits
n = 7476 2255 digits
n = 8036 2423 digits
n = 86576 26066 digits
n = 213664 64324 digits
n = 222904 67105 digits
n = 1280464 385462 digits Jun 2014 Paulo Silva; PSieve; srsieve; PrimeGrid; LLR
n = 2292184 690020 digits Jul 2025 Valter Cavecchia; PPSE; PrimeGrid
k: 6183
max n: 2.372.629
n = 2 5 digits
n = 4 5 digits
n = 13 8 digits
n = 18 10 digits
n = 33 14 digits
n = 34 15 digits
n = 40 16 digits
n = 49 19 digits
n = 50 19 digits
n = 62 23 digits
n = 66 24 digits
n = 80 28 digits
n = 82 29 digits
n = 142 47 digits
n = 188 61 digits
n = 396 123 digits
n = 454 141 digits
n = 606 187 digits
n = 1309 398 digits
n = 1508 458 digits
n = 1710 519 digits
n = 1984 602 digits
n = 2450 742 digits
n = 2494 755 digits
n = 2972 899 digits
n = 3500 1058 digits 1993 Jeffrey Young
n = 3746 1132 digits 1993 Jeffrey Young
n = 3752 1134 digits 1993 Jeffrey Young
n = 3758 1136 digits 1993 Jeffrey Young
n = 4396 1328 digits 1993 Jeffrey Young
n = 6986 2107 digits Mar 1996 Patrick Demichel
n = 9141 2756 digits
n = 9684 2919 digits
n = 10233 3085 digits
n = 14461 4357 digits
n = 20478 6169 digits
n = 24278 7313 digits
n = 25141 7572 digits
n = 32350 9743 digits
n = 43664 13148 digits
n = 52654 15855 digits
n = 54144 16303 digits
n = 72701 21889 digits
n = 88810 26739 digits
n = 116132 34964 digits
n = 133282 40126 digits
n = 146258 44032 digits
n = 152373 45873 digits
n = 200612 60395 digits
n = 205112 61749 digits
n = 206266 62097 digits
n = 221986 66829 digits
n = 226318 68133 digits
n = 249714 75176 digits
n = 258930 77950 digits
n = 316586 95306 digits
n = 492801 148352 digits Mar 2010 Vobbert Becking; PSieve; srsieve; PrimeGrid; LLR
n = 579878 174565 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 946344 284882 digits Jul 2012 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1086354 327029 digits Apr 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 2168014 652642 digits Feb 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6185
max n: 2.372.980
n = 3 5 digits
n = 5 6 digits
n = 9 7 digits
n = 15 9 digits
n = 19 10 digits
n = 29 13 digits
n = 35 15 digits
n = 41 17 digits
n = 105 36 digits
n = 149 49 digits
n = 183 59 digits
n = 193 62 digits
n = 435 135 digits
n = 849 260 digits
n = 2985 903 digits
n = 4453 1345 digits 1993 Jeffrey Young
n = 6661 2009 digits Mar 1996 Patrick Demichel
n = 7273 2194 digits May 1996 Patrick Demichel
n = 10939 3297 digits
n = 11949 3601 digits
n = 13195 3976 digits
n = 18475 5566 digits
n = 49663 14954 digits
n = 67625 20361 digits
n = 76963 23172 digits
n = 81029 24396 digits
n = 94639 28493 digits
n = 97185 29260 digits
n = 508233 152998 digits May 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 511133 153871 digits Jun 2010 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 676775 203734 digits Aug 2011 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 1200633 361431 digits Nov 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1505211 453118 digits Nov 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 6187
max n: 2.373.003
n = 2 5 digits
n = 4 5 digits
n = 14 9 digits
n = 50 19 digits
n = 82 29 digits
n = 110 37 digits
n = 170 55 digits
n = 182 59 digits
n = 190 61 digits
n = 230 74 digits
n = 250 80 digits
n = 292 92 digits
n = 302 95 digits
n = 386 120 digits
n = 442 137 digits
n = 470 146 digits
n = 766 235 digits
n = 1532 465 digits
n = 1946 590 digits
n = 3110 940 digits
n = 3190 965 digits
n = 3604 1089 digits 1993 Jeffrey Young
n = 4130 1248 digits 1993 Jeffrey Young
n = 6476 1954 digits
n = 10690 3222 digits
n = 10742 3238 digits
n = 11230 3385 digits
n = 22526 6785 digits
n = 36356 10949 digits
n = 51428 15486 digits
n = 81428 24517 digits
n = 249962 75250 digits
n = 274252 82562 digits
n = 331334 99746 digits
n = 332468 100087 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 345514 104014 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 955846 287743 digits Jul 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1020710 307269 digits Oct 2012 Tom Pepper; PSieve; srsieve; PrimeGrid; LLR
n = 1255796 378037 digits Apr 2014 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1522754 458399 digits Feb 2019 Gene Howe; PSieve; srsieve; PrimeGrid; LLR
k: 6189
max n: 2.372.784
n = 1 5 digits
n = 10 7 digits
n = 17 9 digits
n = 31 14 digits
n = 46 18 digits
n = 51 20 digits
n = 94 33 digits
n = 193 62 digits
n = 195 63 digits
n = 229 73 digits
n = 317 100 digits
n = 423 132 digits
n = 443 138 digits
n = 585 180 digits
n = 1753 532 digits
n = 2055 623 digits
n = 2065 626 digits
n = 2157 654 digits
n = 2283 692 digits
n = 2289 693 digits
n = 3127 946 digits
n = 3391 1025 digits 1993 Jeffrey Young
n = 3701 1118 digits 1993 Jeffrey Young
n = 5123 1546 digits
n = 6010 1813 digits
n = 6941 2094 digits Mar 1996 Patrick Demichel
n = 9010 2717 digits
n = 12189 3674 digits
n = 15047 4534 digits Nov 1997 Henri Lifchitz; Proth
n = 16315 4916 digits
n = 19713 5938 digits
n = 19933 6005 digits
n = 25715 7745 digits
n = 28861 8692 digits
n = 36611 11025 digits
n = 40669 12247 digits
n = 52569 15829 digits
n = 54657 16458 digits
n = 56185 16918 digits Apr 1999 Tadashi Taura; Proth
n = 75667 22782 digits
n = 83987 25287 digits
n = 104445 31445 digits
n = 142297 42840 digits
n = 276651 83285 digits
n = 287635 86591 digits
n = 374215 112654 digits Jun 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 491213 147874 digits Feb 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 653302 196668 digits Mar 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1011790 304583 digits Oct 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
k: 6191
max n: 2.372.792
n = 3 5 digits
n = 33 14 digits
n = 963 294 digits
n = 3867 1168 digits 1993 Jeffrey Young
n = 3891 1176 digits 1993 Jeffrey Young
n = 6111 1844 digits
n = 28127 8471 digits
n = 35585 10716 digits
n = 47631 14343 digits
n = 77871 23446 digits
n = 195761 58934 digits
n = 201863 60771 digits Oct 2004 John Dilick; NewPGen; Proth
n = 429927 129425 digits Jun 2005 Dr. James Scott Brown; PPSE; PrimeGrid
n = 459141 138220 digits Jul 2005 John Dilick; NewPGen; Proth
n = 1821567 548351 digits Jan 2024 Tom Greer; PPSE; PrimeGrid
k: 6193
max n: 2.372.889
n = 4 5 digits
n = 6 6 digits
n = 12 8 digits
n = 16 9 digits
n = 28 13 digits
n = 30 13 digits
n = 40 16 digits
n = 42 17 digits
n = 46 18 digits
n = 48 19 digits
n = 84 30 digits
n = 96 33 digits
n = 120 40 digits
n = 160 52 digits
n = 444 138 digits
n = 526 163 digits
n = 532 164 digits
n = 534 165 digits
n = 582 179 digits
n = 640 197 digits
n = 1140 347 digits
n = 1714 520 digits
n = 1750 531 digits
n = 5128 1548 digits
n = 8116 2447 digits
n = 11176 3369 digits
n = 12522 3774 digits
n = 15100 4550 digits
n = 25402 7651 digits
n = 26584 8007 digits
n = 28870 8695 digits
n = 38184 11499 digits Dec 1998 Henri Lifchitz; Proth
n = 39216 11809 digits
n = 42256 12725 digits
n = 54754 16487 digits
n = 261148 78618 digits
n = 324238 97610 digits
n = 606234 182499 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1013752 305174 digits Oct 2012 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 1189212 357993 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 6195
max n: 2.372.484
n = 1 5 digits
n = 2 5 digits
n = 5 6 digits
n = 17 9 digits
n = 18 10 digits
n = 20 10 digits
n = 23 11 digits
n = 25 12 digits
n = 26 12 digits
n = 40 16 digits
n = 56 21 digits
n = 57 21 digits
n = 61 23 digits
n = 69 25 digits
n = 72 26 digits
n = 73 26 digits
n = 80 28 digits
n = 92 32 digits
n = 141 47 digits
n = 150 49 digits
n = 203 65 digits
n = 337 106 digits
n = 493 153 digits
n = 656 202 digits
n = 1210 369 digits
n = 1298 395 digits
n = 1407 428 digits
n = 1625 493 digits
n = 2867 867 digits
n = 2969 898 digits
n = 3005 909 digits
n = 3457 1045 digits 1993 Jeffrey Young
n = 4726 1427 digits 1993 Jeffrey Young
n = 4862 1468 digits 1993 Jeffrey Young
n = 5150 1555 digits
n = 5642 1703 digits
n = 6865 2071 digits Mar 1996 Patrick Demichel
n = 8717 2628 digits
n = 9505 2866 digits
n = 13718 4134 digits
n = 15552 4686 digits
n = 17341 5224 digits
n = 21060 6344 digits
n = 22050 6642 digits
n = 23258 7006 digits
n = 25045 7544 digits
n = 25971 7822 digits
n = 51637 15549 digits
n = 53070 15980 digits
n = 54026 16268 digits
n = 60290 18153 digits
n = 81183 24443 digits
n = 93149 28045 digits
n = 95889 28870 digits
n = 112499 33870 digits
n = 113457 34158 digits
n = 115009 34625 digits
n = 129812 39082 digits
n = 138232 41616 digits
n = 139952 42134 digits
n = 145586 43830 digits
n = 155969 46956 digits
n = 167800 50517 digits
n = 183269 55174 digits
n = 210747 63445 digits
n = 211950 63808 digits
n = 282315 84990 digits
n = 285578 85972 digits
n = 333975 100541 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 334880 100813 digits Apr 2012 Andrew Orr; PPSE; PrimeGrid
n = 411585 123904 digits Sep 2012 Casimir Ksiazek III; PPSE; PrimeGrid
n = 467405 140707 digits Aug 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 521535 157002 digits Jul 2010 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 614732 185057 digits Jan 2011 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 641597 193144 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 702700 211538 digits Sep 2011 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 842267 253552 digits Apr 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1115281 335737 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1173586 353289 digits Oct 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1308577 393925 digits Feb 2015 Julien Musy; PSieve; srsieve; PrimeGrid; LLR
n = 1333632 401468 digits May 2015 Mark English; PSieve; srsieve; PrimeGrid; LLR
n = 1397782 420779 digits Mar 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1693037 509659 digits May 2022 Honza Cholt; PPSE; PrimeGrid
n = 1992052 599672 digits Sep 2024 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2124193 639450 digits Jan 2025 Mark Williams; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3325993 1001228 digits Dec 2019 Lucas Brown; PSieve; srsieve; PrimeGrid; LLR
k: 6197
max n: 2.373.431
n = 19 10 digits
n = 27 12 digits
n = 39 16 digits
n = 55 21 digits
n = 135 45 digits
n = 171 56 digits
n = 187 61 digits
n = 255 81 digits
n = 299 94 digits
n = 3835 1159 digits 1993 Jeffrey Young
n = 5327 1608 digits
n = 5467 1650 digits
n = 5707 1722 digits
n = 28399 8553 digits
n = 42735 12869 digits
n = 87767 26425 digits
n = 171851 51737 digits
n = 172919 52058 digits
n = 414399 124751 digits Oct 2012 Ronny Willig; PPSE; PrimeGrid
n = 705055 212247 digits Sep 2011 Edwin Schaap; PSieve; srsieve; PrimeGrid; LLR
n = 2072411 623862 digits Jan 2025 Jens Katzur; PPSE; PrimeGrid
n = 2286371 688271 digits Jun 2025 Kai Presler; PPSE; PrimeGrid
k: 6199
max n: 2.373.462
n = 14 9 digits
n = 22 11 digits
n = 38 16 digits
n = 42 17 digits
n = 94 33 digits
n = 134 45 digits
n = 174 57 digits
n = 878 269 digits
n = 1062 324 digits
n = 3358 1015 digits 1993 Jeffrey Young
n = 4722 1426 digits 1993 Jeffrey Young
n = 11014 3320 digits
n = 139058 41865 digits
n = 419922 126413 digits Oct 2012 Honza Cholt; PPSE; PrimeGrid
n = 481458 144938 digits Dec 2009 Axel Pfeiffer; PSieve; srsieve; PrimeGrid; LLR
n = 1808618 544453 digits Jan 2024 Dieter Stoll; PPSE; PrimeGrid
n = 2010554 605241 digits Nov 2024 Krzysztof Paniczko; PPSE; PrimeGrid
k: 6201
max n: 2.372.788
n = 13 8 digits
n = 19 10 digits
n = 20 10 digits
n = 37 15 digits
n = 55 21 digits
n = 67 24 digits
n = 103 35 digits
n = 163 53 digits
n = 176 57 digits
n = 184 60 digits
n = 200 64 digits
n = 449 139 digits
n = 775 238 digits
n = 800 245 digits
n = 949 290 digits
n = 1097 335 digits
n = 1135 346 digits
n = 1631 495 digits
n = 2213 670 digits
n = 3925 1186 digits 1993 Jeffrey Young
n = 4496 1358 digits 1993 Jeffrey Young
n = 5960 1798 digits
n = 6796 2050 digits
n = 7843 2365 digits
n = 12053 3633 digits
n = 18433 5553 digits
n = 25033 7540 digits
n = 31927 9615 digits
n = 31967 9627 digits
n = 46964 14142 digits
n = 52808 15901 digits
n = 58081 17488 digits
n = 251311 75656 digits
n = 285587 85975 digits
n = 313969 94518 digits
n = 339248 102128 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 350480 105509 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 876995 264006 digits May 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1257068 378419 digits Dec 2008 Kennichi Uehara; PPSE; PrimeGrid
n = 1379387 415241 digits Feb 2016 Steve Mazzola; PSieve; srsieve; PrimeGrid; LLR
n = 1513379 455577 digits Feb 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1516940 456649 digits Feb 2019 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
k: 6203
max n: 2.373.368
n = 21 11 digits
n = 201 65 digits
n = 525 162 digits
n = 589 182 digits
n = 985 301 digits
n = 22257 6704 digits
n = 23325 7026 digits
n = 28245 8507 digits
n = 102669 30911 digits
n = 161073 48492 digits
n = 1291693 388843 digits Sep 2014 John S Chambers; PSieve; srsieve; PrimeGrid; LLR
k: 6205
max n: 2.373.337
n = 2 5 digits
n = 20 10 digits
n = 30 13 digits
n = 36 15 digits
n = 74 27 digits
n = 164 54 digits
n = 512 158 digits
n = 720 221 digits
n = 1046 319 digits
n = 1838 558 digits
n = 2102 637 digits
n = 3222 974 digits
n = 4016 1213 digits 1993 Jeffrey Young
n = 5390 1627 digits
n = 5540 1672 digits
n = 9954 3001 digits
n = 11630 3505 digits
n = 21956 6614 digits
n = 22302 6718 digits
n = 24426 7357 digits Aug 1998 Baptiste Heyman; Proth
n = 27974 8425 digits
n = 38606 11626 digits
n = 113580 34195 digits
n = 125612 37817 digits
n = 129092 38865 digits
n = 159462 48007 digits
n = 249056 74978 digits
n = 263246 79249 digits
n = 577658 173897 digits Nov 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1419276 427249 digits Aug 2016 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1538786 463225 digits May 2019 Devlin Skahill; PSieve; srsieve; PrimeGrid; LLR
k: 6207
max n: 2.372.531
n = 39 16 digits
n = 54 21 digits
n = 79 28 digits
n = 103 35 digits
n = 111 38 digits
n = 543 168 digits
n = 1756 533 digits
n = 1944 589 digits
n = 1999 606 digits
n = 4008 1211 digits 1993 Jeffrey Young
n = 6216 1875 digits
n = 6490 1958 digits
n = 12616 3802 digits
n = 25470 7672 digits
n = 25984 7826 digits
n = 28575 8606 digits
n = 31564 9506 digits
n = 41496 12496 digits
n = 67183 20228 digits
n = 90948 27382 digits
n = 102271 30791 digits
n = 182356 54899 digits
n = 186919 56273 digits
n = 222154 66879 digits
n = 225576 67909 digits
n = 960351 289099 digits Aug 2012 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 1237356 372486 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1379119 415160 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 6209
max n: 2.373.299
n = 5 6 digits
n = 25 12 digits
n = 57 21 digits
n = 59 22 digits
n = 103 35 digits
n = 295 93 digits
n = 309 97 digits
n = 559 173 digits
n = 833 255 digits
n = 1075 328 digits
n = 1907 578 digits
n = 2973 899 digits
n = 5305 1601 digits
n = 5975 1803 digits
n = 6379 1925 digits
n = 9715 2929 digits
n = 10775 3248 digits
n = 12755 3844 digits
n = 16127 4859 digits
n = 42355 12754 digits
n = 46273 13934 digits
n = 52259 15736 digits
n = 93789 28238 digits
n = 95675 28805 digits
n = 112253 33796 digits
n = 150389 45276 digits
n = 174069 52404 digits
n = 251215 75628 digits
n = 593649 178710 digits Dec 2010 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 1330805 400617 digits May 2015 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
k: 6211
max n: 2.372.415
n = 4 5 digits
n = 36 15 digits
n = 40 16 digits
n = 396 124 digits
n = 1780 540 digits
n = 7036 2122 digits
n = 9084 2739 digits
n = 12132 3656 digits
n = 20916 6301 digits
n = 42480 12792 digits
n = 861264 259271 digits May 2012 Kennichi Uehara; PSieve; srsieve; PrimeGrid; LLR
n = 1797376 541068 digits Jan 2024 Robert Coplin; PPSE; PrimeGrid
n = 2304972 693870 digits Aug 2025 PPSE; PrimeGrid
k: 6213
max n: 2.371.975
n = 4 5 digits
n = 5 6 digits
n = 6 6 digits
n = 13 8 digits
n = 14 9 digits
n = 16 9 digits
n = 20 10 digits
n = 21 11 digits
n = 22 11 digits
n = 26 12 digits
n = 40 16 digits
n = 42 17 digits
n = 45 18 digits
n = 52 20 digits
n = 56 21 digits
n = 64 24 digits
n = 117 40 digits
n = 126 42 digits
n = 152 50 digits
n = 165 54 digits
n = 210 68 digits
n = 232 74 digits
n = 308 97 digits
n = 381 119 digits
n = 494 153 digits
n = 733 225 digits
n = 1002 306 digits
n = 1220 372 digits
n = 1292 393 digits
n = 1312 399 digits
n = 1326 403 digits
n = 1333 406 digits
n = 2274 689 digits
n = 2936 888 digits
n = 3522 1065 digits 1993 Jeffrey Young
n = 3946 1192 digits 1993 Jeffrey Young
n = 3952 1194 digits 1993 Jeffrey Young
n = 4053 1224 digits 1993 Jeffrey Young
n = 4214 1273 digits 1993 Jeffrey Young
n = 4348 1313 digits 1993 Jeffrey Young
n = 5813 1754 digits
n = 12380 3731 digits
n = 20900 6296 digits
n = 37772 11375 digits
n = 51590 15534 digits
n = 53165 16009 digits
n = 60344 18170 digits
n = 78632 23675 digits
n = 95852 28859 digits
n = 107008 32217 digits
n = 113056 34038 digits
n = 146277 44038 digits
n = 181650 54686 digits
n = 205965 62006 digits
n = 206858 62275 digits
n = 273152 82231 digits
n = 276752 83315 digits
n = 308806 92964 digits
n = 379158 114142 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 509384 153344 digits May 2010 Eric Bigham; PSieve; srsieve; PrimeGrid; LLR
n = 744954 224258 digits Feb 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1226950 369353 digits Jan 2014 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1703462 512797 digits Jul 2022 PPSE; PrimeGrid
k: 6215
max n: 2.372.628
n = 23 11 digits
n = 47 18 digits
n = 77 27 digits
n = 133 44 digits
n = 169 55 digits
n = 215 69 digits
n = 373 117 digits
n = 1157 353 digits
n = 1595 484 digits
n = 1937 587 digits
n = 1969 597 digits
n = 2939 889 digits
n = 4987 1506 digits 1993 Jeffrey Young
n = 7063 2130 digits
n = 9775 2947 digits
n = 10447 3149 digits
n = 10789 3252 digits
n = 19463 5863 digits
n = 30589 9212 digits
n = 39899 12015 digits
n = 76727 23101 digits
n = 703915 211904 digits Sep 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 6217
max n: 2.372.875
n = 8 7 digits
n = 12 8 digits
n = 20 10 digits
n = 46 18 digits
n = 78 28 digits
n = 100 34 digits
n = 120 40 digits
n = 156 51 digits
n = 296 93 digits
n = 320 101 digits
n = 462 143 digits
n = 598 184 digits
n = 930 284 digits
n = 1050 320 digits
n = 1548 470 digits
n = 1836 557 digits
n = 3532 1068 digits 1993 Jeffrey Young
n = 4592 1387 digits 1993 Jeffrey Young
n = 4818 1455 digits 1993 Jeffrey Young
n = 5036 1520 digits
n = 5376 1623 digits
n = 5442 1642 digits
n = 7988 2409 digits
n = 12262 3696 digits
n = 19498 5874 digits
n = 20480 6169 digits Aug 1997 Kenneth J. Brazier; Proth
n = 34220 10306 digits
n = 34698 10449 digits
n = 67870 20435 digits
n = 71612 21562 digits
n = 92636 27891 digits
n = 399828 120365 digits Jul 2012 Dirk Dhuyvetters; PPSE; PrimeGrid
n = 400936 120698 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 1029476 309907 digits Oct 2012 Serge Batalov; PSieve; srsieve; PrimeGrid; LLR
n = 2361628 710925 digits Apr 2026 Ryan Propper; PPSE; PrimeGrid
k: 6219
max n: 2.373.070
n = 2 5 digits
n = 17 9 digits
n = 27 12 digits
n = 74 27 digits
n = 101 35 digits
n = 231 74 digits
n = 401 125 digits
n = 437 136 digits
n = 575 177 digits
n = 671 206 digits
n = 690 212 digits
n = 5250 1585 digits
n = 7062 2130 digits Mar 1996 Patrick Demichel
n = 8378 2526 digits
n = 8439 2545 digits
n = 8667 2613 digits
n = 33762 10168 digits
n = 41670 12548 digits
n = 42599 12828 digits May 1999 Tadashi Taura; Proth
n = 42701 12859 digits
n = 69582 20951 digits
n = 73215 22044 digits
n = 73814 22225 digits
n = 75698 22792 digits
n = 77126 23222 digits
n = 91217 27463 digits
n = 97626 29393 digits
n = 173495 52231 digits
n = 202155 60859 digits
n = 292037 87916 digits
n = 324942 97822 digits
n = 366926 110460 digits May 2012 PPSE; PrimeGrid
n = 490671 147711 digits Feb 2010 Bruno Fernandes; PSieve; srsieve; PrimeGrid; LLR
n = 627638 188942 digits Feb 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 1025235 308631 digits Oct 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1436922 432561 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1623869 488838 digits Feb 2021 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 3333810 1003581 digits May 2020 Mike Kinney; PSieve; srsieve; PrimeGrid; LLR
n = 3374198 1015739 digits Aug 2021 Daniel Zuyuan Lu; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6221
max n: 2.373.020
n = 33 14 digits
n = 37 15 digits
n = 49 19 digits
n = 61 23 digits
n = 129 43 digits
n = 205 66 digits
n = 729 224 digits
n = 1957 593 digits
n = 2019 612 digits
n = 2341 709 digits
n = 2649 802 digits
n = 4825 1457 digits 1993 Jeffrey Young
n = 6589 1988 digits
n = 12069 3637 digits Jan 1998 Baptiste Heyman; Proth
n = 14725 4437 digits
n = 27085 8158 digits
n = 58921 17741 digits
n = 179517 54044 digits
n = 187821 56544 digits
n = 422409 127162 digits Nov 2012 Nikolaos Derziotis; PPSE; PrimeGrid
n = 834961 251353 digits Apr 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1007721 303359 digits Oct 2012 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 1049151 315830 digits Feb 2013 Tomasz Muzia; PSieve; srsieve; PrimeGrid; LLR
n = 1476609 444508 digits Feb 2018 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 1711551 515232 digits Oct 2022 Vesa Harju; PPSE; PrimeGrid
n = 2014551 606445 digits Nov 2024 Jonathan Gehrke; PPSE; PrimeGrid
k: 6223
max n: 2.372.983
n = 6 6 digits
n = 26 12 digits
n = 88 31 digits
n = 1026 313 digits
n = 1358 413 digits
n = 1698 515 digits
n = 2210 670 digits
n = 4338 1310 digits 1993 Jeffrey Young
n = 6768 2042 digits Mar 1996 Patrick Demichel
n = 11024 3323 digits
n = 16384 4936 digits
n = 31176 9389 digits
n = 34014 10244 digits
n = 40866 12306 digits
n = 58026 17472 digits
n = 112680 33924 digits
n = 138626 41735 digits
n = 147558 44424 digits
n = 1114280 335436 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1708086 514189 digits Aug 2022 Vaughan Davies; PPSE; PrimeGrid
n = 1754474 528154 digits Jul 2023 Yifei Gao; PPSE; PrimeGrid
k: 6225
max n: 2.372.657
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 9 7 digits
n = 16 9 digits
n = 21 11 digits
n = 27 12 digits
n = 28 13 digits
n = 31 14 digits
n = 46 18 digits
n = 51 20 digits
n = 64 24 digits
n = 69 25 digits
n = 87 30 digits
n = 101 35 digits
n = 103 35 digits
n = 115 39 digits
n = 161 53 digits
n = 169 55 digits
n = 209 67 digits
n = 225 72 digits
n = 351 110 digits
n = 637 196 digits
n = 813 249 digits
n = 889 272 digits
n = 977 298 digits
n = 1303 397 digits
n = 1357 413 digits
n = 1397 425 digits
n = 1558 473 digits
n = 1568 476 digits
n = 1599 486 digits
n = 1925 584 digits
n = 1949 591 digits
n = 2199 666 digits
n = 2228 675 digits
n = 2397 726 digits
n = 2691 814 digits
n = 2785 843 digits
n = 2796 846 digits
n = 3776 1141 digits 1993 Jeffrey Young
n = 4378 1322 digits 1993 Jeffrey Young
n = 4632 1399 digits 1993 Jeffrey Young
n = 4999 1509 digits 1993 Jeffrey Young
n = 5285 1595 digits
n = 5316 1605 digits
n = 5324 1607 digits
n = 5616 1695 digits
n = 6892 2079 digits Mar 1996 Patrick Demichel
n = 7514 2266 digits
n = 8441 2545 digits
n = 9585 2890 digits
n = 21199 6386 digits
n = 26746 8056 digits
n = 30788 9272 digits
n = 39651 11940 digits
n = 39798 11985 digits
n = 42535 12809 digits
n = 47705 14365 digits
n = 47813 14397 digits
n = 51195 15416 digits
n = 54726 16478 digits
n = 57464 17303 digits
n = 64742 19494 digits
n = 70071 21098 digits
n = 71876 21641 digits
n = 97906 29477 digits
n = 107239 32286 digits
n = 138408 41669 digits
n = 187035 56307 digits
n = 231365 69652 digits
n = 254181 76520 digits
n = 264369 79587 digits
n = 363579 109452 digits May 2012 PPSE; PrimeGrid
n = 383516 115454 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 536103 161387 digits Jul 2010 James Winskill; PSieve; srsieve; PrimeGrid; LLR
n = 547527 164826 digits Sep 2010 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 643774 193800 digits Feb 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 681679 205210 digits Aug 2011 Arjan Thomas; PSieve; srsieve; PrimeGrid; LLR
n = 820572 247021 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 977073 294133 digits Aug 2012 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
n = 1043892 314247 digits Feb 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1091001 328428 digits May 2013 Peter G. Tomasi III; PSieve; srsieve; PrimeGrid; LLR
n = 1193341 359236 digits Oct 2013 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 1239157 373028 digits Jan 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1391837 418989 digits Feb 2016 Tod Slakans; PSieve; srsieve; PrimeGrid; LLR
n = 1580522 475789 digits Jun 2020 Edward McKernan; PSieve; srsieve; PrimeGrid; LLR
n = 1612428 485393 digits Dec 2020 Vladimir Novak; PSieve; srsieve; PrimeGrid; LLR
n = 1934631 582386 digits Mar 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2264695 681745 digits Apr 2025 John Natividad; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2319865 698353 digits Nov 2025 Robert Meckley; PPSE; PrimeGrid
k: 6227
max n: 2.373.090
n = 7 6 digits
n = 27 12 digits
n = 87 30 digits
n = 111 38 digits
n = 119 40 digits
n = 159 52 digits
n = 247 79 digits
n = 759 233 digits
n = 2007 608 digits
n = 4311 1302 digits 1993 Jeffrey Young
n = 8371 2524 digits
n = 21339 6428 digits
n = 26519 7987 digits
n = 120731 36348 digits
n = 148839 44809 digits
n = 308407 92844 digits
n = 728131 219194 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 1724207 519042 digits Dec 2022 PPSE; PrimeGrid
k: 6229
max n: 2.373.177
n = 2 5 digits
n = 98 34 digits
n = 326 102 digits
n = 4286 1295 digits 1993 Jeffrey Young
n = 5330 1609 digits May 1996 Henri Lifchitz; Samuli Larvala
n = 38206 11505 digits
n = 62506 18820 digits
n = 1500478 451693 digits Sep 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 6231
max n: 2.373.176
n = 7 6 digits
n = 17 9 digits
n = 19 10 digits
n = 27 12 digits
n = 33 14 digits
n = 44 18 digits
n = 47 18 digits
n = 63 23 digits
n = 79 28 digits
n = 95 33 digits
n = 107 37 digits
n = 247 79 digits
n = 487 151 digits
n = 569 176 digits
n = 639 197 digits
n = 1009 308 digits
n = 1259 383 digits
n = 1507 458 digits
n = 2825 855 digits
n = 4825 1457 digits 1993 Jeffrey Young
n = 6433 1941 digits
n = 7065 2131 digits Mar 1996 Patrick Demichel
n = 7219 2177 digits May 1996 Patrick Demichel
n = 7703 2323 digits
n = 7724 2329 digits May 1996 Patrick Demichel
n = 14839 4471 digits
n = 15897 4790 digits
n = 16459 4959 digits
n = 22843 6881 digits 1996 Patrick Demichel
n = 34724 10457 digits
n = 34857 10497 digits
n = 41599 12527 digits
n = 63415 19094 digits
n = 75967 22873 digits
n = 80924 24365 digits
n = 100556 30275 digits
n = 108467 32656 digits
n = 133955 40329 digits
n = 207615 62503 digits
n = 263945 79460 digits
n = 318019 95738 digits
n = 375415 113015 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 700047 210739 digits Dec 2009 Brian Carpenter; srsieve; PrimeGrid; LLR
n = 1264049 380521 digits Apr 2014 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1296449 390274 digits Sep 2014 Jaroslav Pich; PSieve; srsieve; PrimeGrid; LLR
k: 6233
max n: 2.372.980
n = 5 6 digits
n = 33 14 digits
n = 77 27 digits
n = 89 31 digits
n = 93 32 digits
n = 221 71 digits
n = 249 79 digits
n = 401 125 digits
n = 785 241 digits
n = 1101 336 digits
n = 2193 664 digits
n = 3237 979 digits
n = 6465 1950 digits
n = 8933 2693 digits
n = 11777 3550 digits
n = 111261 33497 digits
n = 120233 36198 digits
n = 224373 67547 digits
n = 244113 73490 digits
n = 572061 172212 digits Nov 2010 Damian Milde; PSieve; srsieve; PrimeGrid; LLR
k: 6235
max n: 2.372.753
n = 4 5 digits
n = 12 8 digits
n = 16 9 digits
n = 18 10 digits
n = 40 16 digits
n = 66 24 digits
n = 76 27 digits
n = 124 42 digits
n = 172 56 digits
n = 192 62 digits
n = 204 66 digits
n = 348 109 digits
n = 412 128 digits
n = 450 140 digits
n = 690 212 digits
n = 772 237 digits
n = 810 248 digits
n = 1108 338 digits
n = 1138 347 digits
n = 1140 347 digits
n = 1378 419 digits
n = 1690 513 digits
n = 1786 542 digits
n = 2130 645 digits
n = 2472 748 digits
n = 4140 1251 digits 1993 Jeffrey Young
n = 7608 2295 digits
n = 14764 4449 digits
n = 15340 4622 digits
n = 21148 6370 digits
n = 33744 10162 digits
n = 45754 13778 digits
n = 51402 15478 digits
n = 133776 40275 digits
n = 346692 104369 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 454080 136696 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 454258 136750 digits May 2009 Péter Proszenyák; srsieve; PrimeGrid; LLR
n = 518172 155990 digits Jun 2010 Choi Yooil; PSieve; srsieve; PrimeGrid; LLR
n = 525340 158147 digits Jul 2010 Jeremy M. Posner; PSieve; srsieve; PrimeGrid; LLR
n = 551848 166127 digits Sep 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 698472 210265 digits Sep 2011 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 746356 224680 digits Feb 2012 Han Winand; PSieve; srsieve; PrimeGrid; LLR
n = 1492746 449366 digits May 2018 Teppo Tohmola; PSieve; srsieve; PrimeGrid; LLR
n = 2023204 609049 digits Dec 2024 Dr. James Scott Brown; PPSE; PrimeGrid
k: 6237
max n: 2.372.833
n = 4 5 digits
n = 14 9 digits
n = 19 10 digits
n = 24 12 digits
n = 40 16 digits
n = 46 18 digits
n = 60 22 digits
n = 70 25 digits
n = 100 34 digits
n = 106 36 digits
n = 110 37 digits
n = 266 84 digits
n = 390 122 digits
n = 402 125 digits
n = 610 188 digits
n = 626 193 digits
n = 630 194 digits
n = 660 203 digits
n = 756 232 digits
n = 880 269 digits
n = 1060 323 digits
n = 1198 365 digits
n = 1428 434 digits
n = 1766 536 digits
n = 1891 574 digits
n = 2328 705 digits
n = 2832 857 digits
n = 3146 951 digits
n = 3762 1137 digits 1993 Jeffrey Young
n = 4300 1299 digits 1993 Jeffrey Young
n = 4870 1470 digits 1993 Jeffrey Young
n = 6566 1981 digits
n = 8470 2554 digits
n = 8580 2587 digits May 1996 Patrick Demichel
n = 10171 3066 digits
n = 13210 3981 digits
n = 14234 4289 digits
n = 19804 5966 digits
n = 23826 7177 digits
n = 25634 7721 digits
n = 29626 8923 digits
n = 32244 9711 digits
n = 35475 10683 digits
n = 47394 14271 digits
n = 104606 31494 digits
n = 107987 32512 digits
n = 114219 34388 digits
n = 131826 39688 digits
n = 166307 50068 digits
n = 204144 61458 digits
n = 206931 62297 digits
n = 210730 63440 digits
n = 234494 70594 digits
n = 605266 182208 digits Jan 2011 Sohei Tanaka; PSieve; srsieve; PrimeGrid; LLR
n = 842394 253590 digits Apr 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1152288 346878 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1524828 459023 digits Feb 2019 Giles Averay-Jones; PSieve; srsieve; PrimeGrid; LLR
n = 3459386 1041383 digits Feb 2023 Eric Nietering; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6239
max n: 2.372.820
n = 1 5 digits
n = 11 8 digits
n = 15 9 digits
n = 23 11 digits
n = 27 12 digits
n = 29 13 digits
n = 41 17 digits
n = 45 18 digits
n = 51 20 digits
n = 55 21 digits
n = 59 22 digits
n = 97 33 digits
n = 167 55 digits
n = 169 55 digits
n = 203 65 digits
n = 247 79 digits
n = 281 89 digits
n = 351 110 digits
n = 409 127 digits
n = 503 156 digits
n = 521 161 digits
n = 569 176 digits
n = 637 196 digits
n = 673 207 digits
n = 717 220 digits
n = 909 278 digits
n = 1051 321 digits
n = 1133 345 digits
n = 1581 480 digits
n = 2915 882 digits
n = 2989 904 digits
n = 3779 1142 digits 1993 Jeffrey Young
n = 5917 1785 digits
n = 6181 1865 digits
n = 8127 2451 digits
n = 10087 3041 digits
n = 12505 3769 digits
n = 27661 8331 digits
n = 48553 14620 digits
n = 86587 26070 digits
n = 144173 43405 digits
n = 378945 114078 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 412033 124039 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 437049 131569 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 573983 172790 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 775131 233342 digits Feb 2012 Matej Bučar; PSieve; srsieve; PrimeGrid; LLR
n = 910527 274100 digits Jun 2012 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 958565 288561 digits Aug 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1284619 386713 digits Jul 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1441701 434000 digits Feb 2017 Ken Ito; PSieve; srsieve; PrimeGrid; LLR
k: 6241
max n: 2.373.460
n = 12 8 digits
n = 52 20 digits
n = 68 25 digits
n = 76 27 digits
n = 324 102 digits
n = 1500 456 digits
n = 4108 1241 digits 1993 Jeffrey Young
n = 6248 1885 digits
n = 7140 2154 digits
n = 13180 3972 digits
n = 18392 5541 digits
n = 22640 6820 digits
n = 24248 7304 digits
n = 29860 8993 digits
n = 47156 14200 digits
n = 66096 19901 digits
n = 120580 36302 digits
n = 242840 73106 digits
n = 254580 76641 digits
n = 841236 253242 digits Apr 2012 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1120856 337416 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1545628 465285 digits Sep 2019 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 1874892 564403 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2053840 618272 digits Jan 2025 Anthony Roy; PPSE; PrimeGrid
k: 6243
max n: 2.372.836
n = 1 5 digits
n = 5 6 digits
n = 8 7 digits
n = 13 8 digits
n = 17 9 digits
n = 22 11 digits
n = 25 12 digits
n = 61 23 digits
n = 65 24 digits
n = 109 37 digits
n = 164 54 digits
n = 464 144 digits
n = 601 185 digits
n = 958 293 digits
n = 2741 829 digits
n = 3152 953 digits
n = 5872 1772 digits
n = 11989 3613 digits
n = 12761 3846 digits
n = 16117 4856 digits
n = 19484 5870 digits
n = 40261 12124 digits
n = 45229 13620 digits
n = 51380 15471 digits
n = 65680 19776 digits
n = 89501 26947 digits
n = 105553 31779 digits
n = 113857 34279 digits
n = 126860 38193 digits
n = 353044 106281 digits May 2012 PPSE; PrimeGrid
n = 673808 202841 digits Jul 2011 John ODonnell; PSieve; srsieve; PrimeGrid; LLR
n = 757193 227942 digits Feb 2012 Xavier Balloy; PSieve; srsieve; PrimeGrid; LLR
n = 871885 262468 digits May 2012 Paul Lantinga; PSieve; srsieve; PrimeGrid; LLR
n = 1715909 516544 digits Oct 2022 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2112341 635882 digits Jan 2025 Roger Allen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6245
max n: 2.372.954
n = 1 5 digits
n = 7 6 digits
n = 11 8 digits
n = 17 9 digits
n = 27 12 digits
n = 29 13 digits
n = 55 21 digits
n = 125 42 digits
n = 219 70 digits
n = 359 112 digits
n = 379 118 digits
n = 485 150 digits
n = 581 179 digits
n = 611 188 digits
n = 613 189 digits
n = 1073 327 digits
n = 1717 521 digits
n = 2011 610 digits
n = 2551 772 digits
n = 5897 1779 digits
n = 6887 2077 digits Mar 1996 Patrick Demichel
n = 6973 2103 digits Mar 1996 Patrick Demichel
n = 7555 2279 digits
n = 8659 2611 digits
n = 10535 3176 digits
n = 10555 3182 digits
n = 11741 3539 digits
n = 11831 3566 digits
n = 14879 4483 digits
n = 17139 5164 digits
n = 28731 8653 digits
n = 45699 13761 digits
n = 49207 14817 digits
n = 53851 16215 digits
n = 57583 17339 digits
n = 60859 18325 digits
n = 69373 20888 digits
n = 72647 21873 digits
n = 76751 23109 digits
n = 78347 23589 digits
n = 86499 26043 digits
n = 115397 34742 digits
n = 142383 42866 digits
n = 158797 47807 digits
n = 163789 49310 digits
n = 244141 73498 digits
n = 274409 82610 digits
n = 304297 91607 digits
n = 340325 102452 digits Apr 2012 Olivier Tarnus; PPSE; PrimeGrid
n = 465411 140107 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 544123 163802 digits Aug 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 589757 177539 digits Dec 2010 Bob Hurd; PSieve; srsieve; PrimeGrid; LLR
n = 683789 205845 digits Aug 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 706201 212592 digits Sep 2011 Jun Heok Ji; PSieve; srsieve; PrimeGrid; LLR
n = 772733 232620 digits Feb 2012 Ian McGregor; PSieve; srsieve; PrimeGrid; LLR
n = 1343285 404373 digits Jun 2015 Vincent Ollivier; PSieve; srsieve; PrimeGrid; LLR
n = 1385513 417085 digits Feb 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 6247
max n: 2.372.843
n = 2 5 digits
n = 12 8 digits
n = 18 10 digits
n = 86 30 digits
n = 146 48 digits
n = 498 154 digits
n = 542 167 digits
n = 824 252 digits
n = 1236 376 digits
n = 1346 409 digits
n = 1686 512 digits
n = 2738 829 digits
n = 2924 885 digits
n = 3534 1068 digits 1993 Jeffrey Young
n = 11448 3450 digits
n = 19254 5800 digits
n = 84462 25430 digits
n = 87246 26268 digits
n = 89538 26958 digits
n = 163814 49317 digits
n = 169596 51058 digits
n = 356448 107306 digits May 2012 PPSE; PrimeGrid
n = 360876 108639 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 384756 115827 digits Jun 2012 Adrian Schori; PPSE; PrimeGrid
n = 429378 129260 digits Dec 2012 Jörg Meili; PPSE; PrimeGrid
n = 510624 153717 digits Jun 2010 Daniel Louwe; PSieve; srsieve; PrimeGrid; LLR
n = 645762 194398 digits Feb 2011 Damian Peter Shaw; PSieve; srsieve; PrimeGrid; LLR
n = 703814 211873 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 987738 297343 digits Sep 2012 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1068962 321794 digits Apr 2013 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 2041968 614698 digits Jan 2025 Ian Wentling; PPSE; PrimeGrid
n = 2064566 621501 digits Jan 2025 Dawid Kwiatkowski; PPSE; PrimeGrid
k: 6249
max n: 2.372.640
n = 3 5 digits
n = 6 6 digits
n = 7 6 digits
n = 13 8 digits
n = 18 10 digits
n = 27 12 digits
n = 30 13 digits
n = 31 14 digits
n = 33 14 digits
n = 37 15 digits
n = 42 17 digits
n = 63 23 digits
n = 103 35 digits
n = 126 42 digits
n = 150 49 digits
n = 171 56 digits
n = 231 74 digits
n = 243 77 digits
n = 271 86 digits
n = 291 92 digits
n = 469 145 digits
n = 619 191 digits
n = 1446 440 digits
n = 1663 505 digits
n = 2059 624 digits
n = 2061 625 digits
n = 2178 660 digits
n = 2403 728 digits
n = 2562 776 digits
n = 3942 1191 digits 1993 Jeffrey Young
n = 5779 1744 digits
n = 8899 2683 digits
n = 9102 2744 digits
n = 12103 3648 digits
n = 21811 6570 digits
n = 36013 10845 digits
n = 50593 15234 digits Jun 1998 Kenneth J. Brazier; Proth
n = 145953 43941 digits
n = 167023 50283 digits
n = 189823 57147 digits
n = 199399 60029 digits
n = 255091 76794 digits
n = 260593 78451 digits
n = 272466 82025 digits
n = 293541 88369 digits
n = 331683 99851 digits
n = 628459 189189 digits Feb 2011 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 630321 189750 digits Feb 2011 Hans Sveen; PSieve; srsieve; PrimeGrid; LLR
n = 809658 243736 digits Mar 2012 Mark Wilcoxen; PSieve; srsieve; PrimeGrid; LLR
n = 1010203 304106 digits Oct 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1102419 331865 digits Jul 2013 Benno Pütz; PSieve; srsieve; PrimeGrid; LLR
n = 1928229 580459 digits Mar 2024 Andri Martinelli; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2058570 619696 digits Jan 2025 LeRoy Blanchard; PPSE; PrimeGrid
k: 6251
max n: 2.373.060
n = 1 5 digits
n = 5 6 digits
n = 21 11 digits
n = 49 19 digits
n = 63 23 digits
n = 79 28 digits
n = 91 32 digits
n = 111 38 digits
n = 113 38 digits
n = 233 74 digits
n = 589 182 digits
n = 855 262 digits
n = 965 295 digits
n = 1339 407 digits
n = 1453 442 digits
n = 1601 486 digits
n = 2611 790 digits
n = 3765 1138 digits 1993 Jeffrey Young
n = 10085 3040 digits
n = 14589 4396 digits
n = 17693 5330 digits
n = 19509 5877 digits
n = 21331 6426 digits
n = 21761 6555 digits
n = 41645 12541 digits
n = 48089 14481 digits
n = 51303 15448 digits
n = 104313 31406 digits
n = 116765 35154 digits
n = 191443 57634 digits
n = 198381 59723 digits
n = 205815 61961 digits
n = 282511 85049 digits
n = 965379 290612 digits Aug 2012 Marc Koschewski; PSieve; srsieve; PrimeGrid; LLR
n = 1021215 307421 digits Oct 2012 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1440121 433524 digits Feb 2017 Ed Goforth; PSieve; srsieve; PrimeGrid; LLR
n = 1471639 443012 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 1603305 482647 digits Sep 2020 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 1989185 598809 digits Aug 2024 Jiří Sýkora; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2101553 632635 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6253
max n: 2.372.527
n = 2 5 digits
n = 4 6 digits
n = 48 19 digits
n = 60 22 digits
n = 72 26 digits
n = 74 27 digits
n = 94 33 digits
n = 160 52 digits
n = 210 68 digits
n = 298 94 digits
n = 528 163 digits
n = 668 205 digits
n = 678 208 digits
n = 896 274 digits
n = 2332 706 digits
n = 3018 913 digits
n = 3502 1059 digits 1993 Jeffrey Young
n = 3826 1156 digits 1993 Jeffrey Young
n = 5178 1563 digits
n = 5306 1602 digits
n = 6088 1837 digits
n = 6250 1886 digits
n = 7276 2195 digits
n = 7400 2232 digits
n = 9642 2907 digits
n = 10174 3067 digits
n = 15818 4766 digits
n = 16904 5093 digits
n = 20448 6160 digits
n = 28318 8529 digits
n = 31282 9421 digits Dec 1998 Henri Lifchitz; Proth
n = 32776 9871 digits
n = 32866 9898 digits
n = 43186 13005 digits
n = 54682 16465 digits
n = 153916 46338 digits
n = 244230 73525 digits
n = 312372 94038 digits
n = 590454 177749 digits Dec 2010 Stefan Dragnev; PSieve; srsieve; PrimeGrid; LLR
n = 831102 250191 digits Apr 2012 John ODonnell; PSieve; srsieve; PrimeGrid; LLR
n = 987194 297179 digits Sep 2012 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1128514 339721 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1130752 340395 digits Aug 2013 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
n = 1313984 395553 digits Feb 2015 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1658210 499175 digits Feb 2022 Jörg Meili; PSieve; srsieve; PrimeGrid; LLR
n = 1659084 499438 digits Feb 2022 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 1989412 598877 digits Aug 2024 Giovanni Valentino; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6255
max n: 2.372.834
n = 1 5 digits
n = 6 6 digits
n = 12 8 digits
n = 13 8 digits
n = 19 10 digits
n = 31 14 digits
n = 34 15 digits
n = 42 17 digits
n = 51 20 digits
n = 106 36 digits
n = 117 40 digits
n = 150 49 digits
n = 194 63 digits
n = 195 63 digits
n = 226 72 digits
n = 227 73 digits
n = 254 81 digits
n = 306 96 digits
n = 450 140 digits
n = 666 205 digits
n = 887 271 digits
n = 1135 346 digits
n = 1372 417 digits
n = 1399 425 digits
n = 1570 477 digits
n = 1630 495 digits
n = 2116 641 digits
n = 2461 745 digits
n = 2625 794 digits
n = 3315 1002 digits 1993 Jeffrey Young
n = 3321 1004 digits 1993 Jeffrey Young
n = 3636 1099 digits 1993 Jeffrey Young
n = 3782 1143 digits 1993 Jeffrey Young
n = 3820 1154 digits 1993 Jeffrey Young
n = 4199 1268 digits 1993 Jeffrey Young
n = 5721 1726 digits
n = 8421 2539 digits
n = 11279 3400 digits May 1996 Patrick Demichel
n = 12110 3650 digits
n = 13483 4063 digits
n = 14149 4264 digits
n = 15227 4588 digits
n = 17382 5237 digits
n = 18786 5659 digits
n = 19631 5914 digits
n = 24061 7247 digits
n = 27121 8169 digits
n = 37019 11148 digits
n = 40789 12283 digits
n = 56123 16899 digits
n = 61642 18560 digits
n = 92533 27860 digits
n = 117955 35512 digits
n = 133665 40241 digits
n = 136835 41196 digits
n = 181299 54581 digits
n = 185782 55930 digits
n = 201826 60760 digits
n = 447052 134580 digits Jan 2013 Rick Reynolds; PPSE; PrimeGrid
n = 492886 148378 digits Mar 2010 László Takács; Balázs Szabó; PSieve; srsieve; PrimeGrid; LLR
n = 563323 169581 digits Oct 2010 Charlie Heath; PSieve; srsieve; PrimeGrid; LLR
n = 851211 256244 digits May 2012 Ben Ridgway; PSieve; srsieve; PrimeGrid; LLR
n = 912541 274707 digits Jun 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 994711 299442 digits Sep 2012 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1019335 306855 digits Oct 2012 Ron Belansky; PSieve; srsieve; PrimeGrid; LLR
n = 1032457 310805 digits Jan 2013 Oliver Timm; srsieve; PrimeGrid; LLR
n = 1100281 331222 digits Jul 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1104201 332402 digits Jul 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1961271 590406 digits May 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1988725 598670 digits Aug 2024 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6257
max n: 2.372.550
n = 7 6 digits
n = 11 8 digits
n = 23 11 digits
n = 151 50 digits
n = 263 83 digits
n = 371 116 digits
n = 1127 344 digits
n = 1235 376 digits
n = 2431 736 digits
n = 27155 8179 digits
n = 123703 37243 digits
n = 680615 204890 digits Aug 2011 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1175075 353737 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1698991 511452 digits Jun 2022 Honza Cholt; PPSE; PrimeGrid
k: 6259
max n: 2.372.833
n = 2 5 digits
n = 10 7 digits
n = 18 10 digits
n = 22 11 digits
n = 58 22 digits
n = 110 37 digits
n = 126 42 digits
n = 134 45 digits
n = 166 54 digits
n = 238 76 digits
n = 306 96 digits
n = 634 195 digits
n = 862 264 digits
n = 970 296 digits
n = 1506 458 digits
n = 1874 568 digits
n = 2914 881 digits
n = 3410 1031 digits 1993 Jeffrey Young
n = 5770 1741 digits
n = 17438 5254 digits
n = 20426 6153 digits
n = 22114 6661 digits
n = 28738 8655 digits
n = 40098 12075 digits
n = 86122 25930 digits
n = 86410 26016 digits
n = 96210 28966 digits
n = 105334 31713 digits
n = 107238 32286 digits
n = 215626 64914 digits
n = 376490 113339 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 556914 167652 digits Oct 2010 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 780318 234903 digits Feb 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 850490 256027 digits May 2012 Florian Schneider; PSieve; srsieve; PrimeGrid; LLR
n = 1025798 308800 digits Oct 2012 Jacob Mueller; PSieve; srsieve; PrimeGrid; LLR
n = 1235586 371953 digits Jan 2014 Joseph L Swasey; PSieve; srsieve; PrimeGrid; LLR
n = 1326958 399458 digits Mar 2015 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 1407526 423712 digits Jun 2016 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1680550 505900 digits Mar 2022 Joop Terwisscha; PPSE; PrimeGrid
k: 6261
max n: 2.373.256
n = 8 7 digits
n = 32 14 digits
n = 48 19 digits
n = 149 49 digits
n = 237 76 digits
n = 383 120 digits
n = 609 188 digits
n = 701 215 digits
n = 1221 372 digits
n = 1437 437 digits
n = 1517 461 digits
n = 2033 616 digits
n = 4589 1386 digits 1993 Jeffrey Young
n = 4788 1446 digits 1993 Jeffrey Young
n = 5361 1618 digits
n = 6192 1868 digits
n = 8612 2597 digits May 1996 Patrick Demichel
n = 8928 2692 digits
n = 13089 3944 digits
n = 17256 5199 digits
n = 27009 8135 digits
n = 28856 8691 digits
n = 73499 22130 digits
n = 83909 25263 digits
n = 108503 32667 digits
n = 134048 40357 digits
n = 190149 57245 digits
n = 207173 62370 digits
n = 429743 129370 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 448608 135049 digits Jan 2013 Sami Heikkila; PPSE; PrimeGrid
n = 602903 181496 digits Jan 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 634761 191086 digits Feb 2011 Steven Pletsch; PSieve; srsieve; PrimeGrid; LLR
n = 1113861 335310 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1373292 413406 digits Jan 2016 Jacques Haymoz; PSieve; srsieve; PrimeGrid; LLR
n = 1774223 534099 digits Nov 2023 Vaughan Davies; PPSE; PrimeGrid
n = 1776189 534690 digits Nov 2023 Vaughan Davies; PPSE; PrimeGrid
n = 2249861 677280 digits Mar 2025 Scott Earle; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6263
max n: 2.373.248
n = 1 5 digits
n = 21 11 digits
n = 37 15 digits
n = 49 19 digits
n = 57 21 digits
n = 61 23 digits
n = 97 33 digits
n = 165 54 digits
n = 481 149 digits
n = 685 211 digits
n = 1441 438 digits
n = 1777 539 digits
n = 2697 816 digits
n = 3589 1085 digits 1993 Jeffrey Young
n = 4089 1235 digits 1993 Jeffrey Young
n = 4365 1318 digits 1993 Jeffrey Young
n = 29029 8743 digits
n = 45229 13620 digits
n = 55089 16588 digits
n = 110625 33306 digits
n = 256125 77106 digits
n = 565105 170118 digits Oct 2010 Mathias Striecks; PSieve; srsieve; PrimeGrid; LLR
n = 611685 184140 digits Jan 2011 Bram De Clerck; PSieve; srsieve; PrimeGrid; LLR
n = 1446429 435423 digits Apr 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2363745 711562 digits May 2026 David Perek; PPSE; PrimeGrid
k: 6265
max n: 2.373.458
n = 10 7 digits
n = 18 10 digits
n = 44 18 digits
n = 52 20 digits
n = 54 21 digits
n = 58 22 digits
n = 148 49 digits
n = 172 56 digits
n = 392 122 digits
n = 558 172 digits
n = 590 182 digits
n = 772 237 digits
n = 1184 361 digits
n = 1542 468 digits
n = 1600 486 digits
n = 1770 537 digits
n = 2110 639 digits
n = 2272 688 digits
n = 5180 1564 digits
n = 6070 1832 digits
n = 19102 5755 digits
n = 56980 17157 digits
n = 79180 23840 digits
n = 149212 44922 digits
n = 304222 91584 digits
n = 423512 127494 digits Nov 2012 Gary Harris; PPSE; PrimeGrid
n = 445168 134013 digits Jan 2013 Dr. James Scott Brown; PPSE; PrimeGrid
n = 664542 200051 digits Apr 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 829672 249760 digits Apr 2012 Eli T. Drumm; PSieve; srsieve; PrimeGrid; LLR
n = 917672 276251 digits Jun 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 950848 286238 digits Jul 2012 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 1697058 510870 digits Jun 2022 PPSE; PrimeGrid
n = 3344080 1006673 digits Jan 2021 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6267
max n: 2.372.787
n = 7 6 digits
n = 11 8 digits
n = 20 10 digits
n = 31 14 digits
n = 40 16 digits
n = 70 25 digits
n = 76 27 digits
n = 87 30 digits
n = 119 40 digits
n = 127 43 digits
n = 143 47 digits
n = 148 49 digits
n = 178 58 digits
n = 194 63 digits
n = 224 72 digits
n = 278 88 digits
n = 319 100 digits
n = 403 126 digits
n = 539 167 digits
n = 560 173 digits
n = 583 180 digits
n = 766 235 digits
n = 806 247 digits
n = 999 305 digits
n = 1088 332 digits
n = 1115 340 digits
n = 1619 492 digits
n = 1831 555 digits
n = 2108 639 digits
n = 2448 741 digits
n = 2534 767 digits
n = 4598 1388 digits 1993 Jeffrey Young
n = 5188 1566 digits
n = 5287 1596 digits
n = 5715 1725 digits
n = 6099 1840 digits
n = 6531 1970 digits
n = 8219 2478 digits
n = 10010 3018 digits
n = 10084 3040 digits
n = 11103 3347 digits
n = 11864 3576 digits
n = 11979 3610 digits
n = 12807 3860 digits
n = 17327 5220 digits
n = 18256 5500 digits
n = 20948 6310 digits
n = 76223 22950 digits
n = 142514 42905 digits
n = 211291 63609 digits
n = 214024 64432 digits
n = 224935 67716 digits
n = 324295 97627 digits
n = 432338 130151 digits Dec 2012 Sascha Thorsten Dietsch; PPSE; PrimeGrid
n = 553615 166659 digits Oct 2010 James P. Burt; PSieve; srsieve; PrimeGrid; LLR
n = 790323 237915 digits Mar 2012 Pavel Pryazhentsev; PSieve; srsieve; PrimeGrid; LLR
n = 1087651 327420 digits Apr 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1145295 344772 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1693864 509908 digits May 2022 Honza Cholt; PPSE; PrimeGrid
n = 1918363 577489 digits Feb 2024 Vladislav Ketamino; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1964428 591356 digits May 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2185144 657798 digits Feb 2025 Hayden Chesnut; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2271643 683837 digits Apr 2025 Daniel Zuyuan Lu; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6269
max n: 2.372.814
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 11 8 digits
n = 29 13 digits
n = 35 15 digits
n = 51 20 digits
n = 91 32 digits
n = 93 32 digits
n = 135 45 digits
n = 161 53 digits
n = 171 56 digits
n = 251 80 digits
n = 303 96 digits
n = 351 110 digits
n = 511 158 digits
n = 539 167 digits
n = 1131 345 digits
n = 1589 483 digits
n = 1895 575 digits
n = 2547 771 digits
n = 3359 1015 digits 1993 Jeffrey Young
n = 3579 1082 digits 1993 Jeffrey Young
n = 3655 1105 digits 1993 Jeffrey Young
n = 6809 2054 digits Mar 1996 Patrick Demichel
n = 6847 2065 digits
n = 7681 2317 digits
n = 9395 2832 digits
n = 9493 2862 digits
n = 14833 4469 digits
n = 16123 4858 digits
n = 18615 5608 digits
n = 18679 5627 digits
n = 26803 8073 digits
n = 30407 9158 digits
n = 34983 10535 digits
n = 35613 10725 digits
n = 38263 11523 digits
n = 48249 14529 digits
n = 51435 15488 digits
n = 77755 23411 digits
n = 95293 28690 digits
n = 129495 38986 digits
n = 190871 57462 digits
n = 448499 135016 digits Jan 2013 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 551039 165884 digits Sep 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 597295 179808 digits Dec 2010 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 613169 184587 digits Jan 2011 Tsutomu Takeuchi; PSieve; srsieve; PrimeGrid; LLR
n = 706513 212686 digits Sep 2011 Takeshi Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 1237377 372492 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1546695 465606 digits Sep 2019 Wolfram Glatte; PSieve; srsieve; PrimeGrid; LLR
n = 1823465 548922 digits Jan 2024 Vaughan Davies; PPSE; PrimeGrid
n = 1985095 597577 digits Aug 2024 Gergo Gomor; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6271
max n: 2.372.563
n = 20 10 digits
n = 56 21 digits
n = 76 27 digits
n = 88 31 digits
n = 136 45 digits
n = 200 65 digits
n = 856 262 digits
n = 928 284 digits
n = 1244 379 digits
n = 2476 750 digits
n = 2900 877 digits
n = 3164 957 digits
n = 4160 1257 digits 1993 Jeffrey Young
n = 6640 2003 digits Mar 1996 Patrick Demichel
n = 22384 6743 digits
n = 322084 96961 digits
n = 863084 259818 digits May 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 938104 282402 digits Jul 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1487188 447692 digits Mar 2018 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1576688 474635 digits Mar 2020 Pete Allivato; PSieve; srsieve; PrimeGrid; LLR
n = 1584416 476961 digits Aug 2020 Federico Vera; PSieve; srsieve; PrimeGrid; LLR
n = 2343364 705427 digits Feb 2026 Emil Hristoskov; PPSE; PrimeGrid
k: 6273
max n: 2.372.553
n = 1 5 digits
n = 6 6 digits
n = 8 7 digits
n = 9 7 digits
n = 10 7 digits
n = 16 9 digits
n = 18 10 digits
n = 22 11 digits
n = 30 13 digits
n = 44 18 digits
n = 45 18 digits
n = 70 25 digits
n = 85 30 digits
n = 108 37 digits
n = 126 42 digits
n = 130 43 digits
n = 132 44 digits
n = 180 58 digits
n = 182 59 digits
n = 186 60 digits
n = 261 83 digits
n = 328 103 digits
n = 330 104 digits
n = 484 150 digits
n = 522 161 digits
n = 573 177 digits
n = 804 246 digits
n = 892 273 digits
n = 912 279 digits
n = 1030 314 digits
n = 1074 328 digits
n = 1165 355 digits
n = 1308 398 digits
n = 1594 484 digits
n = 1662 505 digits
n = 1893 574 digits
n = 2773 839 digits
n = 2942 890 digits
n = 2965 897 digits
n = 3481 1052 digits 1993 Jeffrey Young
n = 3804 1149 digits 1993 Jeffrey Young
n = 4440 1341 digits 1993 Jeffrey Young
n = 5592 1688 digits
n = 6172 1862 digits
n = 6390 1928 digits
n = 7068 2132 digits Mar 1996 Patrick Demichel
n = 9414 2838 digits
n = 9545 2878 digits
n = 13684 4124 digits
n = 14392 4337 digits
n = 15720 4736 digits
n = 17682 5327 digits
n = 21225 6394 digits
n = 26264 7911 digits
n = 28104 8464 digits
n = 28885 8700 digits
n = 31754 9563 digits
n = 36085 10867 digits
n = 39709 11958 digits
n = 55261 16640 digits
n = 56748 17087 digits
n = 64942 19554 digits
n = 69464 20915 digits
n = 131058 39457 digits
n = 152445 45895 digits
n = 165984 49970 digits
n = 174042 52396 digits
n = 381282 114782 digits Mar 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 428256 128922 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 436382 131368 digits Dec 2012 Adrian Schori; PPSE; PrimeGrid
n = 462278 139164 digits Jul 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 510436 153661 digits Jun 2010 Eric Bigham; PSieve; srsieve; PrimeGrid; LLR
n = 568156 171036 digits Nov 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 613878 184800 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 646108 194502 digits Feb 2011 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 677560 203970 digits Aug 2011 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 691400 208136 digits Sep 2011 Alexey Tarasov; PSieve; srsieve; PrimeGrid; LLR
n = 803478 241875 digits Mar 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 985821 296766 digits Sep 2012 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 1846345 555810 digits Jan 2024 Dawid Kwiatkowski; PPSE; PrimeGrid
k: 6275
max n: 2.373.446
n = 15 9 digits
n = 39 16 digits
n = 63 23 digits
n = 225 72 digits
n = 1239 377 digits
n = 1665 506 digits
n = 100673 30310 digits
n = 132879 40005 digits
n = 142493 42899 digits
k: 6277
max n: 2.373.411
n = 22 11 digits
n = 430 134 digits
n = 1552 471 digits
n = 42430 12777 digits
n = 52734 15879 digits
n = 89800 27037 digits
n = 559150 168325 digits Oct 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1170780 352444 digits Oct 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1292320 389031 digits Sep 2014 Nekodemus vom Wolkenstein; PSieve; srsieve; PrimeGrid; LLR
n = 2055912 618895 digits Jan 2025 Kyle Gingrich; PPSE; PrimeGrid
k: 6279
max n: 2.372.836
n = 2 5 digits
n = 5 6 digits
n = 10 7 digits
n = 13 8 digits
n = 33 14 digits
n = 38 16 digits
n = 50 19 digits
n = 54 21 digits
n = 57 21 digits
n = 67 24 digits
n = 81 29 digits
n = 86 30 digits
n = 87 30 digits
n = 90 31 digits
n = 94 33 digits
n = 101 35 digits
n = 194 63 digits
n = 218 70 digits
n = 313 99 digits
n = 381 119 digits
n = 382 119 digits
n = 462 143 digits
n = 533 165 digits
n = 963 294 digits
n = 1110 338 digits
n = 1165 355 digits
n = 1193 363 digits
n = 1650 501 digits
n = 2802 848 digits
n = 3021 914 digits
n = 3203 968 digits
n = 3831 1158 digits 1993 Jeffrey Young
n = 6502 1962 digits
n = 7254 2188 digits
n = 7690 2319 digits
n = 7871 2374 digits
n = 11270 3397 digits May 1996 Patrick Demichel
n = 14191 4276 digits
n = 15367 4630 digits Nov 1997 Henri Lifchitz; Proth
n = 17617 5308 digits
n = 18533 5583 digits
n = 20678 6229 digits
n = 23958 7216 digits
n = 28654 8630 digits
n = 37550 11308 digits
n = 49397 14874 digits May 1999 Tadashi Taura; Proth
n = 65655 19768 digits
n = 68651 20670 digits
n = 101897 30678 digits
n = 111202 33479 digits
n = 117225 35293 digits
n = 118101 35556 digits
n = 148047 44571 digits
n = 176242 53058 digits
n = 177271 53368 digits
n = 182303 54883 digits
n = 221754 66759 digits
n = 246383 74173 digits
n = 248107 74692 digits
n = 263513 79330 digits
n = 268522 80837 digits
n = 369970 111376 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 383667 115500 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 441262 132837 digits Dec 2012 Gary Harris; PPSE; PrimeGrid
n = 448545 135030 digits Jan 2013 Jörg Meili; PPSE; PrimeGrid
n = 1074514 323465 digits Apr 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1193130 359172 digits Oct 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1194351 359540 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1522467 458313 digits Feb 2019 Louis Helm; PSieve; srsieve; PrimeGrid; LLR
n = 1537377 462801 digits May 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1743125 524737 digits May 2023 Alexey Simbarsky; PPSE; PrimeGrid
n = 1944306 585299 digits Mar 2024 Stephen P. Norton; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2091905 629730 digits Jan 2025 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2144770 645644 digits Jan 2025 Sam Black; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2148134 646657 digits Jan 2025 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6281
max n: 2.372.854
n = 13 8 digits
n = 95 33 digits
n = 315 99 digits
n = 475 147 digits
n = 583 180 digits
n = 589 182 digits
n = 643 198 digits
n = 1539 468 digits
n = 3995 1207 digits 1993 Jeffrey Young
n = 22485 6773 digits
n = 36755 11069 digits
n = 158197 47626 digits
n = 391811 117951 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 731675 220260 digits Feb 2012 Andrew Orr; PSieve; srsieve; PrimeGrid; LLR
n = 2222019 668899 digits Feb 2025 Michael Millerick; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6283
max n: 2.373.091
n = 8 7 digits
n = 10 7 digits
n = 46 18 digits
n = 68 25 digits
n = 92 32 digits
n = 120 40 digits
n = 278 88 digits
n = 620 191 digits
n = 646 199 digits
n = 2178 660 digits
n = 2600 787 digits
n = 2852 863 digits
n = 3896 1177 digits 1993 Jeffrey Young
n = 4798 1449 digits 1993 Jeffrey Young
n = 4952 1495 digits 1993 Jeffrey Young
n = 13932 4198 digits
n = 16688 5028 digits
n = 20636 6216 digits
n = 22350 6732 digits
n = 23552 7094 digits
n = 34718 10455 digits
n = 57826 17412 digits
n = 165192 49732 digits
n = 238412 71773 digits
n = 307158 92468 digits
n = 499750 150444 digits May 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 568250 171065 digits Nov 2010 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 778318 234301 digits Feb 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 855970 257677 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 871088 262228 digits May 2012 Dylan Kenney; PSieve; srsieve; PrimeGrid; LLR
n = 1129608 340050 digits Aug 2013 Jesper Hedlund; PSieve; srsieve; PrimeGrid; LLR
n = 2118538 637748 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2196326 661164 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6285
max n: 2.372.589
n = 5 6 digits
n = 10 7 digits
n = 19 10 digits
n = 20 10 digits
n = 46 18 digits
n = 56 21 digits
n = 59 22 digits
n = 71 26 digits
n = 110 37 digits
n = 194 63 digits
n = 235 75 digits
n = 344 108 digits
n = 374 117 digits
n = 491 152 digits
n = 551 170 digits
n = 656 202 digits
n = 835 256 digits
n = 856 262 digits
n = 881 270 digits
n = 910 278 digits
n = 1178 359 digits
n = 1526 464 digits
n = 2219 672 digits
n = 2390 724 digits
n = 4090 1236 digits 1993 Jeffrey Young
n = 4334 1309 digits 1993 Jeffrey Young
n = 7204 2173 digits May 1996 Patrick Demichel
n = 7219 2177 digits May 1996 Patrick Demichel
n = 9410 2837 digits
n = 21584 6502 digits
n = 30086 9061 digits
n = 33791 10176 digits
n = 44939 13532 digits
n = 77755 23411 digits
n = 180730 54409 digits
n = 182978 55086 digits
n = 202240 60885 digits
n = 442156 133107 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 551534 166033 digits Sep 2010 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 658795 198321 digits Mar 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 984518 296374 digits Sep 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1086895 327192 digits Apr 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1308650 393947 digits Feb 2015 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1420538 427629 digits Sep 2016 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 2113646 636275 digits Jan 2025 Marek Trembacz; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2320351 698500 digits Nov 2025 Greg Miller; PPSE; PrimeGrid
k: 6287
max n: 2.373.426
n = 11 8 digits
n = 19 10 digits
n = 23 11 digits
n = 31 14 digits
n = 163 53 digits
n = 247 79 digits
n = 451 140 digits
n = 1495 454 digits
n = 1915 581 digits
n = 3983 1203 digits 1993 Jeffrey Young
n = 10723 3232 digits
n = 25367 7641 digits
n = 142031 42760 digits
n = 885535 266577 digits May 2012 Ralf Hentrich; PSieve; srsieve; PrimeGrid; LLR
n = 942383 283690 digits Jul 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
k: 6289
max n: 2.373.450
n = 14 9 digits
n = 30 13 digits
n = 50 19 digits
n = 294 93 digits
n = 3434 1038 digits 1993 Jeffrey Young
n = 17514 5277 digits
n = 1975290 594626 digits Jun 2024 Derek Gordon; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6291
max n: 2.372.814
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 16 9 digits
n = 25 12 digits
n = 31 14 digits
n = 51 20 digits
n = 81 29 digits
n = 93 32 digits
n = 165 54 digits
n = 187 61 digits
n = 247 79 digits
n = 415 129 digits
n = 435 135 digits
n = 465 144 digits
n = 715 220 digits
n = 1048 320 digits
n = 1288 392 digits
n = 1351 411 digits
n = 1537 467 digits
n = 6453 1947 digits
n = 8725 2631 digits
n = 11493 3464 digits
n = 13261 3996 digits
n = 14013 4223 digits
n = 15777 4754 digits
n = 17935 5403 digits
n = 39307 11837 digits May 1999 Tadashi Taura; Proth
n = 64401 19391 digits
n = 222045 66847 digits
n = 241561 72721 digits
n = 365605 110062 digits May 2012 PPSE; PrimeGrid
n = 389491 117253 digits Jul 2012 Dirk Dhuyvetters; PPSE; PrimeGrid
n = 411651 123924 digits Sep 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 434977 130945 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 1422123 428106 digits Sep 2016 Andrew M Farrow; PSieve; srsieve; PrimeGrid; LLR
n = 1837461 553135 digits Jan 2024 Andrei Piaive; PPSE; PrimeGrid
k: 6293
max n: 2.373.416
n = 33 14 digits
n = 1773 538 digits
n = 3177 961 digits
n = 4233 1279 digits 1993 Jeffrey Young
n = 4269 1289 digits 1993 Jeffrey Young
n = 4433 1339 digits 1993 Jeffrey Young
n = 6197 1870 digits
n = 7397 2231 digits
n = 8649 2608 digits
n = 61429 18496 digits
n = 61489 18514 digits
n = 1432653 431276 digits Jan 2017 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
k: 6295
max n: 2.372.895
n = 6 6 digits
n = 24 12 digits
n = 28 13 digits
n = 36 15 digits
n = 52 20 digits
n = 54 21 digits
n = 64 24 digits
n = 70 25 digits
n = 72 26 digits
n = 76 27 digits
n = 148 49 digits
n = 152 50 digits
n = 162 53 digits
n = 172 56 digits
n = 186 60 digits
n = 220 71 digits
n = 388 121 digits
n = 390 122 digits
n = 558 172 digits
n = 720 221 digits
n = 978 299 digits
n = 1018 311 digits
n = 1398 425 digits
n = 1438 437 digits
n = 1708 518 digits
n = 1716 521 digits
n = 1932 586 digits
n = 2060 624 digits
n = 2170 658 digits
n = 2706 819 digits
n = 3390 1025 digits 1993 Jeffrey Young
n = 5974 1803 digits
n = 6402 1931 digits
n = 7564 2281 digits
n = 12634 3808 digits
n = 16600 5001 digits Mar 1998 Steffen Polster; Proth
n = 18576 5596 digits
n = 38004 11445 digits
n = 45946 13835 digits
n = 57632 17353 digits
n = 86472 26035 digits
n = 92728 27918 digits
n = 97158 29252 digits
n = 102390 30827 digits
n = 105102 31643 digits
n = 106572 32086 digits
n = 109728 33036 digits
n = 118788 35763 digits
n = 128338 38638 digits
n = 153390 46179 digits
n = 230158 69289 digits
n = 267522 80536 digits
n = 276996 83388 digits
n = 282892 85163 digits
n = 290116 87338 digits
n = 406476 122366 digits Aug 2012 Adrian Schori; PPSE; PrimeGrid
n = 452038 136081 digits Apr 2009 Philip Englehard; srsieve; PrimeGrid; LLR
n = 483406 145524 digits Dec 2009 João Felicio; PSieve; srsieve; PrimeGrid; LLR
n = 721678 217251 digits Nov 2011 Matt Cooper; PSieve; srsieve; PrimeGrid; LLR
n = 749488 225623 digits Feb 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 930636 280154 digits Jul 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 1032452 310803 digits Jan 2013 Jeff Kohn; PSieve; srsieve; PrimeGrid; LLR
n = 1281088 385650 digits Jun 2014 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1420820 427714 digits Sep 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1638932 493372 digits May 2021 Pete Allivato; PSieve; srsieve; PrimeGrid; LLR
k: 6297
max n: 2.372.793
n = 2 5 digits
n = 3 5 digits
n = 7 6 digits
n = 8 7 digits
n = 14 9 digits
n = 18 10 digits
n = 20 10 digits
n = 26 12 digits
n = 36 15 digits
n = 43 17 digits
n = 70 25 digits
n = 79 28 digits
n = 90 31 digits
n = 98 34 digits
n = 106 36 digits
n = 118 40 digits
n = 126 42 digits
n = 147 49 digits
n = 172 56 digits
n = 232 74 digits
n = 242 77 digits
n = 459 142 digits
n = 478 148 digits
n = 604 186 digits
n = 699 215 digits
n = 720 221 digits
n = 803 246 digits
n = 1116 340 digits
n = 1278 389 digits
n = 2226 674 digits
n = 2524 764 digits
n = 4595 1388 digits 1993 Jeffrey Young
n = 5666 1710 digits
n = 5915 1785 digits
n = 6084 1836 digits
n = 6708 2024 digits Mar 1996 Patrick Demichel
n = 9182 2768 digits
n = 16107 4853 digits
n = 21540 6488 digits
n = 44575 13423 digits
n = 48248 14528 digits
n = 83383 25105 digits Aug 1997 Chris Caldwell; Dubner Cruncher
n = 142518 42906 digits
n = 144724 43571 digits
n = 271846 81838 digits
n = 296099 89139 digits
n = 591590 178091 digits Dec 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 592144 178257 digits Dec 2010 Philip Lang; PSieve; srsieve; PrimeGrid; LLR
n = 743063 223689 digits Feb 2012 Charley Gielkens; PSieve; srsieve; PrimeGrid; LLR
n = 783988 236008 digits Mar 2012 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 794363 239131 digits Mar 2012 Nick Simmerer; PSieve; srsieve; PrimeGrid; LLR
n = 982082 295640 digits Sep 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1104122 332378 digits Jul 2013 Rob Derrera; PSieve; srsieve; PrimeGrid; LLR
n = 1968895 592701 digits Jun 2024 Glenn Hall; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2137744 643529 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6299
max n: 2.373.358
n = 73 26 digits
n = 89 31 digits
n = 167 55 digits
n = 227 73 digits
n = 251 80 digits
n = 779 239 digits
n = 1967 596 digits
n = 3971 1200 digits 1993 Jeffrey Young
n = 6257 1888 digits
n = 23441 7061 digits
n = 23905 7200 digits
n = 644411 193991 digits Feb 2011 Choi Yooil; PSieve; srsieve; PrimeGrid; LLR
n = 1668553 502289 digits Feb 2022 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1674097 503958 digits Feb 2022 Don Wellck; PSieve; srsieve; PrimeGrid; LLR
k: 6301
max n: 2.372.939
n = 8 7 digits
n = 16 9 digits
n = 32 14 digits
n = 52 20 digits
n = 56 21 digits
n = 76 27 digits
n = 80 28 digits
n = 108 37 digits
n = 188 61 digits
n = 332 104 digits
n = 416 130 digits
n = 784 240 digits
n = 1132 345 digits
n = 3880 1172 digits 1993 Jeffrey Young
n = 4052 1224 digits 1993 Jeffrey Young
n = 5932 1790 digits
n = 16844 5075 digits
n = 29252 8810 digits
n = 32040 9649 digits
n = 33644 10132 digits
n = 785056 236330 digits Mar 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1598464 481190 digits Sep 2020 Jiri Jaros; PSieve; srsieve; PrimeGrid; LLR
k: 6303
max n: 2.373.137
n = 9 7 digits
n = 21 11 digits
n = 32 14 digits
n = 36 15 digits
n = 42 17 digits
n = 44 18 digits
n = 45 18 digits
n = 48 19 digits
n = 57 21 digits
n = 104 36 digits
n = 185 60 digits
n = 257 82 digits
n = 269 85 digits
n = 372 116 digits
n = 449 139 digits
n = 972 297 digits
n = 1410 429 digits
n = 1857 563 digits
n = 3569 1079 digits 1993 Jeffrey Young
n = 7965 2402 digits
n = 9696 2923 digits
n = 9869 2975 digits
n = 12450 3752 digits
n = 12717 3832 digits
n = 17780 5357 digits
n = 27773 8365 digits
n = 35114 10575 digits
n = 68100 20504 digits
n = 83597 25170 digits
n = 303020 91222 digits
n = 458154 137922 digits Jun 2009 Everton Luiz do Nascimento; srsieve; PrimeGrid; LLR
n = 2327994 700800 digits Dec 2025 David Perek; PPSE; PrimeGrid
n = 2371400 713867 digits Jun 2026 PPSE; PrimeGrid
k: 6305
max n: 2.372.820
n = 1 5 digits
n = 3 5 digits
n = 9 7 digits
n = 13 8 digits
n = 21 11 digits
n = 27 12 digits
n = 115 39 digits
n = 169 55 digits
n = 243 77 digits
n = 841 257 digits
n = 1003 306 digits
n = 1251 381 digits
n = 1629 495 digits
n = 2673 809 digits
n = 3235 978 digits
n = 3817 1153 digits 1993 Jeffrey Young
n = 32701 9848 digits
n = 41457 12484 digits
n = 65617 19757 digits
n = 89893 27065 digits
n = 90571 27269 digits
n = 100189 30164 digits
n = 541417 162987 digits Aug 2010 Keith Pattenden; PSieve; srsieve; PrimeGrid; LLR
n = 554637 166967 digits Oct 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 927057 279076 digits Jul 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1169337 352010 digits Oct 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1647993 496100 digits Nov 2021 Pete Allivato; PSieve; srsieve; PrimeGrid; LLR
k: 6307
max n: 2.372.607
n = 2 5 digits
n = 4 6 digits
n = 6 6 digits
n = 8 7 digits
n = 12 8 digits
n = 24 12 digits
n = 34 15 digits
n = 40 16 digits
n = 42 17 digits
n = 46 18 digits
n = 64 24 digits
n = 96 33 digits
n = 106 36 digits
n = 134 45 digits
n = 154 51 digits
n = 172 56 digits
n = 314 99 digits
n = 326 102 digits
n = 426 133 digits
n = 634 195 digits
n = 740 227 digits
n = 794 243 digits
n = 858 263 digits
n = 1324 403 digits
n = 1398 425 digits
n = 2428 735 digits
n = 2506 759 digits
n = 2584 782 digits
n = 2814 851 digits
n = 4178 1262 digits 1993 Jeffrey Young
n = 4286 1295 digits 1993 Jeffrey Young
n = 5210 1573 digits
n = 9118 2749 digits
n = 12586 3793 digits
n = 14506 4371 digits
n = 27034 8142 digits
n = 31852 9593 digits
n = 34736 10461 digits
n = 36134 10882 digits
n = 38676 11647 digits
n = 89376 26909 digits
n = 90716 27313 digits
n = 110942 33401 digits
n = 220638 66423 digits
n = 575012 173100 digits Nov 2010 Grant Busler; PSieve; srsieve; PrimeGrid; LLR
n = 835318 251460 digits Apr 2012 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 1478940 445210 digits Feb 2018 Jonathan Sipes; PSieve; srsieve; PrimeGrid; LLR
n = 1711856 515324 digits Oct 2022 Pete Allivato; PPSE; PrimeGrid
n = 2016128 606919 digits Dec 2024 Kai Presler; PPSE; PrimeGrid
n = 2182516 657007 digits Feb 2025 Bill Michael; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2220160 668339 digits Feb 2025 JanPeter Fischer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2291386 689780 digits
n = 2352056 708044 digits Mar 2026 Michael Millerick; PPSE; PrimeGrid
k: 6309
max n: 2.372.488
n = 1 5 digits
n = 2 5 digits
n = 5 6 digits
n = 14 9 digits
n = 21 11 digits
n = 30 13 digits
n = 50 19 digits
n = 65 24 digits
n = 71 26 digits
n = 85 30 digits
n = 134 45 digits
n = 137 46 digits
n = 174 57 digits
n = 278 88 digits
n = 431 134 digits
n = 530 164 digits
n = 538 166 digits
n = 583 180 digits
n = 734 225 digits
n = 970 296 digits
n = 1001 306 digits
n = 1031 315 digits
n = 1201 366 digits
n = 1405 427 digits
n = 1537 467 digits
n = 2081 631 digits
n = 2441 739 digits
n = 2591 784 digits
n = 3369 1018 digits 1993 Jeffrey Young
n = 3831 1158 digits 1993 Jeffrey Young
n = 4370 1320 digits 1993 Jeffrey Young
n = 6617 1996 digits
n = 8317 2508 digits
n = 11114 3350 digits
n = 13022 3924 digits
n = 15477 4663 digits
n = 17977 5416 digits
n = 21162 6375 digits
n = 22357 6734 digits 1996 Patrick Demichel
n = 26650 8027 digits
n = 32687 9844 digits
n = 41794 12586 digits
n = 54522 16417 digits
n = 76135 22923 digits
n = 121958 36717 digits
n = 122990 37028 digits
n = 133718 40257 digits
n = 135231 40713 digits
n = 140519 42305 digits
n = 165961 49964 digits
n = 182407 54914 digits
n = 222223 66900 digits
n = 222239 66905 digits
n = 415029 124940 digits Oct 2012 Matt Jurach; PPSE; PrimeGrid
n = 491742 148033 digits Mar 2010 Huaiyu Wu; PSieve; srsieve; PrimeGrid; LLR
n = 869525 261757 digits May 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1058631 318684 digits Apr 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1179738 355141 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1280581 385498 digits Jun 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 6311
max n: 2.371.978
n = 5 6 digits
n = 7 6 digits
n = 9 7 digits
n = 15 9 digits
n = 17 9 digits
n = 33 14 digits
n = 43 17 digits
n = 47 18 digits
n = 89 31 digits
n = 93 32 digits
n = 101 35 digits
n = 243 77 digits
n = 257 82 digits
n = 271 86 digits
n = 329 103 digits
n = 489 152 digits
n = 561 173 digits
n = 571 176 digits
n = 617 190 digits
n = 641 197 digits
n = 797 244 digits
n = 897 274 digits
n = 1503 457 digits
n = 2069 627 digits
n = 2795 846 digits
n = 3477 1051 digits 1993 Jeffrey Young
n = 4433 1339 digits 1993 Jeffrey Young
n = 6231 1880 digits
n = 7025 2119 digits
n = 9021 2720 digits
n = 10267 3095 digits
n = 10303 3106 digits
n = 82587 24865 digits
n = 91139 27440 digits
n = 184319 55490 digits
n = 294429 88636 digits
n = 317099 95461 digits
n = 329135 99084 digits
n = 909501 273791 digits Jun 2012 Veronique Sainson; PSieve; srsieve; PrimeGrid; LLR
n = 1022921 307934 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1375397 414040 digits Jan 2016 Jim DelGrosso; PSieve; srsieve; PrimeGrid; LLR
n = 1422609 428252 digits Sep 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1660895 499984 digits Feb 2022 Jelle Slaets; PSieve; srsieve; PrimeGrid; LLR
k: 6313
max n: 2.372.011
n = 2 5 digits
n = 4 6 digits
n = 22 11 digits
n = 58 22 digits
n = 82 29 digits
n = 94 33 digits
n = 106 36 digits
n = 124 42 digits
n = 134 45 digits
n = 148 49 digits
n = 244 78 digits
n = 322 101 digits
n = 356 111 digits
n = 652 201 digits
n = 658 202 digits
n = 712 219 digits
n = 724 222 digits
n = 794 243 digits
n = 808 248 digits
n = 1856 563 digits
n = 3206 969 digits
n = 3332 1007 digits 1993 Jeffrey Young
n = 3932 1188 digits
n = 10684 3221 digits
n = 16786 5057 digits
n = 23204 6989 digits
n = 23348 7033 digits
n = 61642 18560 digits
n = 67384 20289 digits
n = 68672 20677 digits
n = 88676 26698 digits
n = 91276 27481 digits
n = 93796 28240 digits
n = 115808 34866 digits
n = 153524 46220 digits
n = 196994 59305 digits
n = 258874 77933 digits
n = 267812 80624 digits
n = 339026 102061 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 488426 147035 digits Feb 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 555572 167248 digits Oct 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 571622 172080 digits Nov 2010 Yevgeniy Gorbachev; PSieve; srsieve; PrimeGrid; LLR
n = 820454 246986 digits Apr 2012 Marc Harper; PSieve; srsieve; PrimeGrid; LLR
n = 1046828 315131 digits Feb 2013 Marc Koschewski; PSieve; srsieve; PrimeGrid; LLR
n = 1322554 398133 digits Mar 2015 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 2155588 648901 digits Feb 2025 Jann Kickler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2161634 650721 digits Feb 2025 Ed Goforth; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6315
max n: 2.372.045
n = 2 5 digits
n = 6 6 digits
n = 19 10 digits
n = 24 12 digits
n = 36 15 digits
n = 38 16 digits
n = 67 24 digits
n = 76 27 digits
n = 77 27 digits
n = 98 34 digits
n = 122 41 digits
n = 132 44 digits
n = 148 49 digits
n = 159 52 digits
n = 234 75 digits
n = 322 101 digits
n = 334 105 digits
n = 386 120 digits
n = 411 128 digits
n = 421 131 digits
n = 566 175 digits
n = 583 180 digits
n = 707 217 digits
n = 816 250 digits
n = 982 300 digits
n = 989 302 digits
n = 1046 319 digits
n = 1134 346 digits
n = 1176 358 digits
n = 1178 359 digits
n = 1392 423 digits
n = 1429 434 digits
n = 1800 546 digits
n = 1840 558 digits
n = 2101 637 digits
n = 2367 717 digits
n = 2512 760 digits
n = 2546 771 digits
n = 3438 1039 digits 1993 Jeffrey Young
n = 5111 1543 digits
n = 6842 2064 digits
n = 8922 2690 digits
n = 13101 3948 digits
n = 18976 5717 digits
n = 22182 6682 digits
n = 36373 10954 digits
n = 37467 11283 digits
n = 41356 12454 digits
n = 41766 12577 digits
n = 45037 13562 digits
n = 46894 14121 digits
n = 47004 14154 digits
n = 58941 17747 digits
n = 61847 18622 digits
n = 81194 24446 digits
n = 81736 24609 digits
n = 92589 27876 digits
n = 132396 39859 digits
n = 143266 43132 digits
n = 146016 43959 digits
n = 169091 50906 digits
n = 197488 59454 digits
n = 300246 90387 digits
n = 344544 103722 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 355862 107129 digits May 2012 PPSE; PrimeGrid
n = 370883 111651 digits May 2012 PPSE; PrimeGrid
n = 416022 125239 digits Oct 2012 PPSE; PrimeGrid
n = 540744 162784 digits Aug 2010 Piotr Malara; PSieve; srsieve; PrimeGrid; LLR
n = 625079 188172 digits Feb 2011 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 654528 197037 digits Mar 2011 Lukas Hron; PSieve; srsieve; PrimeGrid; LLR
n = 663982 199883 digits Apr 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 879816 264855 digits Jun 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1004959 302527 digits Sep 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1136598 342154 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1145778 344918 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1210286 364337 digits Dec 2013 Kennichi Uehara; PSieve; srsieve; PrimeGrid; LLR
k: 6317
max n: 2.373.375
n = 11 8 digits
n = 303 96 digits
n = 311 98 digits
n = 1151 351 digits
n = 23303 7019 digits
n = 109043 32830 digits
n = 175983 52980 digits
n = 458799 138117 digits Jul 2009 Ken Davis; srsieve; PrimeGrid; LLR
n = 1272855 383172 digits May 2014 Andrew M Farrow; PSieve; srsieve; PrimeGrid; LLR
k: 6319
max n: 2.373.382
n = 4606 1391 digits 1980 Robert Baillie
n = 7414 2236 digits
n = 178714 53803 digits Jun 2004 Yves Minet; Proth
k: 6321
max n: 2.372.824
n = 16 9 digits
n = 19 10 digits
n = 41 17 digits
n = 51 20 digits
n = 73 26 digits
n = 83 29 digits
n = 91 32 digits
n = 96 33 digits
n = 131 44 digits
n = 145 48 digits
n = 157 52 digits
n = 165 54 digits
n = 193 62 digits
n = 223 71 digits
n = 236 75 digits
n = 307 97 digits
n = 337 106 digits
n = 341 107 digits
n = 397 124 digits
n = 593 183 digits
n = 659 203 digits
n = 960 293 digits
n = 1167 356 digits
n = 1551 471 digits
n = 2405 728 digits
n = 3533 1068 digits 1993 Jeffrey Young
n = 3751 1133 digits 1993 Jeffrey Young
n = 6999 2111 digits Mar 1996 Patrick Demichel
n = 8295 2501 digits
n = 9889 2981 digits
n = 11019 3321 digits
n = 19429 5853 digits
n = 19861 5983 digits
n = 25755 7757 digits
n = 33161 9987 digits
n = 40659 12244 digits
n = 44861 13509 digits
n = 55304 16652 digits
n = 61005 18369 digits
n = 77313 23278 digits
n = 79463 23925 digits
n = 81836 24639 digits
n = 85073 25614 digits
n = 121496 36578 digits
n = 134663 40542 digits
n = 178285 53673 digits
n = 189080 56923 digits
n = 193827 58352 digits
n = 203979 61408 digits
n = 244760 73684 digits
n = 365293 109968 digits May 2012 PPSE; PrimeGrid
n = 420965 126727 digits Nov 2012 Claude Dulaurens; PPSE; PrimeGrid
n = 453116 136406 digits May 2009 Giles Averay-Jones; srsieve; PrimeGrid; LLR
n = 508632 153118 digits May 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 604031 181836 digits Jan 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 687571 206984 digits Sep 2011 Thorsten Grube; PSieve; srsieve; PrimeGrid; LLR
n = 775403 233424 digits Feb 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 1047419 315309 digits Feb 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1085617 326808 digits Apr 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1214224 365522 digits Dec 2013 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1281917 385900 digits Jun 2014 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1367544 411676 digits Nov 2015 Nikolay Yurgandzhiev; PSieve; srsieve; PrimeGrid; LLR
n = 1818453 547413 digits Jan 2024 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2129143 640940 digits Jan 2025 Glenn Goninan; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6323
max n: 2.373.341
n = 1 5 digits
n = 17 9 digits
n = 97 34 digits
n = 557 172 digits
n = 821 251 digits
n = 1441 438 digits
n = 1801 546 digits
n = 8441 2545 digits
n = 9113 2748 digits
n = 25961 7819 digits
n = 28433 8563 digits
n = 121633 36619 digits
n = 212477 63966 digits
n = 925661 278656 digits Jun 2012 Magnus Bergman; PSieve; srsieve; PrimeGrid; LLR
n = 1226093 369095 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1737233 522964 digits Mar 2023 Vaughan Davies; PPSE; PrimeGrid
n = 1746353 525709 digits May 2023 Yegor Ryabchikov; PPSE; PrimeGrid
k: 6325
max n: 2.372.937
n = 2 5 digits
n = 14 9 digits
n = 22 11 digits
n = 26 12 digits
n = 32 14 digits
n = 42 17 digits
n = 88 31 digits
n = 96 33 digits
n = 128 43 digits
n = 134 45 digits
n = 136 45 digits
n = 194 63 digits
n = 222 71 digits
n = 248 79 digits
n = 266 84 digits
n = 568 175 digits
n = 616 190 digits
n = 838 257 digits
n = 864 264 digits
n = 1182 360 digits
n = 1342 408 digits
n = 2440 739 digits
n = 2978 901 digits
n = 3290 995 digits
n = 3354 1014 digits 1993 Jeffrey Young
n = 6150 1856 digits
n = 6706 2023 digits Mar 1996 Patrick Demichel
n = 10952 3301 digits
n = 11550 3481 digits
n = 14206 4281 digits
n = 14424 4346 digits
n = 22222 6694 digits Nov 1997 Carlos B. Rivera F.
n = 46850 14108 digits
n = 72066 21698 digits
n = 72178 21732 digits
n = 93426 28128 digits
n = 113896 34290 digits
n = 121882 36694 digits
n = 176506 53138 digits
n = 266702 80290 digits
n = 287910 86674 digits
n = 428846 129100 digits Nov 2012 Heinz Ming; PPSE; PrimeGrid
n = 454526 136830 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 597152 179765 digits Dec 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 745240 224344 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 793462 238860 digits Mar 2012 Arif Mert Kapicioglu; PSieve; srsieve; PrimeGrid; LLR
n = 794178 239076 digits Mar 2012 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
n = 825552 248520 digits Apr 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 912746 274768 digits Jun 2012 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 1483382 446547 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 2143502 645263 digits Jan 2025 Thorsten Sambale; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6327
max n: 2.373.315
n = 2 5 digits
n = 8 7 digits
n = 47 18 digits
n = 50 19 digits
n = 79 28 digits
n = 80 28 digits
n = 119 40 digits
n = 139 46 digits
n = 475 147 digits
n = 815 250 digits
n = 956 292 digits
n = 1328 404 digits
n = 1655 503 digits
n = 3547 1072 digits 1993 Jeffrey Young
n = 5687 1716 digits
n = 8306 2505 digits
n = 10043 3028 digits
n = 12580 3791 digits
n = 13156 3965 digits
n = 13199 3978 digits
n = 15691 4728 digits
n = 28220 8499 digits
n = 50966 15347 digits
n = 56435 16993 digits
n = 60476 18209 digits
n = 65063 19590 digits
n = 80299 24177 digits
n = 82039 24701 digits
n = 125023 37640 digits
n = 162506 48923 digits
n = 207818 62564 digits
n = 236252 71123 digits
n = 271720 81800 digits
n = 322379 97050 digits
n = 325019 97845 digits
n = 326792 98378 digits
n = 331063 99664 digits
n = 350327 105463 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 678395 204222 digits Sep 2011 Yihong Tang; PSieve; srsieve; PrimeGrid; LLR
n = 815687 245551 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1501616 452036 digits Sep 2018 Ola Andersson; PSieve; srsieve; PrimeGrid; LLR
k: 6329
max n: 2.373.078
n = 1 5 digits
n = 5 6 digits
n = 9 7 digits
n = 29 13 digits
n = 39 16 digits
n = 51 20 digits
n = 171 56 digits
n = 201 65 digits
n = 361 113 digits
n = 1017 310 digits
n = 1815 551 digits
n = 1827 554 digits
n = 3339 1009 digits 1993 Jeffrey Young
n = 3985 1204 digits 1993 Jeffrey Young
n = 4497 1358 digits 1993 Jeffrey Young
n = 5371 1621 digits
n = 10661 3214 digits
n = 12141 3659 digits
n = 12249 3692 digits
n = 21529 6485 digits
n = 22009 6630 digits
n = 22047 6641 digits
n = 33951 10225 digits
n = 34821 10486 digits
n = 41357 12454 digits
n = 84859 25549 digits
n = 97441 29337 digits
n = 114061 34340 digits
n = 131151 39485 digits Jun 2001 Jim Fougeron; FermFact; OpenPFGW
n = 173921 52360 digits
n = 176317 53081 digits
n = 238027 71658 digits
n = 256137 77109 digits
n = 390951 117692 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 456847 137529 digits May 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 505977 152319 digits May 2010 Paweł Feruś; PSieve; srsieve; PrimeGrid; LLR
n = 536805 161599 digits Jul 2010 Jack England; PSieve; srsieve; PrimeGrid; LLR
n = 542667 163363 digits Aug 2010 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 564841 170038 digits Oct 2010 Mathias Striecks; PSieve; srsieve; PrimeGrid; LLR
n = 585787 176344 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 655507 197332 digits Mar 2011 Ikumi Yuki; PSieve; srsieve; PrimeGrid; LLR
n = 1057845 318447 digits Apr 2013 Takeshi Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 1934329 582295 digits Mar 2024 Xuechen Xu; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2237251 673484 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2297161 691519 digits Jul 2025 PPSE; PrimeGrid
n = 3441717 1036064 digits Dec 2022 MaikeSophie Mittelstädt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6331
max n: 2.373.127
n = 12 8 digits
n = 24 12 digits
n = 72 26 digits
n = 84 30 digits
n = 324 102 digits
n = 468 145 digits
n = 552 170 digits
n = 720 221 digits
n = 768 235 digits
n = 2868 868 digits
n = 2928 886 digits
n = 16088 4847 digits
n = 22944 6911 digits
n = 79680 23990 digits
n = 132084 39766 digits
n = 257244 77442 digits
n = 483852 145658 digits Jan 2010 Wolfgang Straubinger; PSieve; srsieve; PrimeGrid; LLR
n = 1108128 333584 digits Jul 2013 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1759772 529748 digits Aug 2023 Giovanni Valentino; PPSE; PrimeGrid
k: 6333
max n: 2.372.765
n = 9 7 digits
n = 24 12 digits
n = 54 21 digits
n = 57 21 digits
n = 145 48 digits
n = 148 49 digits
n = 154 51 digits
n = 178 58 digits
n = 180 58 digits
n = 184 60 digits
n = 318 100 digits
n = 388 121 digits
n = 514 159 digits
n = 673 207 digits
n = 754 231 digits
n = 796 244 digits
n = 1230 375 digits
n = 1270 387 digits
n = 1396 425 digits
n = 1618 491 digits
n = 2064 626 digits
n = 3424 1035 digits 1993 Jeffrey Young
n = 3888 1175 digits 1993 Jeffrey Young
n = 4600 1389 digits 1993 Jeffrey Young
n = 5049 1524 digits
n = 5188 1566 digits
n = 5790 1747 digits
n = 6864 2071 digits Mar 1996 Patrick Demichel
n = 8770 2644 digits
n = 9204 2775 digits
n = 11673 3518 digits
n = 18897 5693 digits
n = 21148 6370 digits
n = 21636 6517 digits Oct 1996 Patrick Demichel
n = 27544 8296 digits
n = 29034 8744 digits
n = 69936 21057 digits
n = 181108 54523 digits
n = 221056 66549 digits
n = 300826 90562 digits
n = 326946 98425 digits
n = 343233 103328 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 352446 106101 digits May 2012 Brian Carpenter; PPSE; PrimeGrid
n = 420664 126637 digits Nov 2012 Bart Kus; PPSE; PrimeGrid
n = 473466 142532 digits Oct 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 590694 177821 digits Dec 2010 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 709777 213668 digits Sep 2011 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 798561 240395 digits Mar 2012 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
n = 1570798 472862 digits Feb 2020 JanPeter Fischer; PSieve; srsieve; PrimeGrid; LLR
k: 6335
max n: 2.372.496
n = 1 5 digits
n = 7 6 digits
n = 9 7 digits
n = 17 9 digits
n = 25 12 digits
n = 45 18 digits
n = 49 19 digits
n = 55 21 digits
n = 141 47 digits
n = 223 71 digits
n = 259 82 digits
n = 601 185 digits
n = 679 209 digits
n = 765 235 digits
n = 2843 860 digits
n = 3013 911 digits
n = 5275 1592 digits
n = 14017 4224 digits
n = 15109 4553 digits
n = 16787 5058 digits
n = 41215 12411 digits
n = 54133 16300 digits
n = 54957 16548 digits
n = 59203 17826 digits
n = 70527 21235 digits
n = 94221 28368 digits
n = 104305 31403 digits
n = 178173 53640 digits
n = 226745 68261 digits
n = 433955 130638 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 688921 207390 digits Aug 2011 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 766217 230659 digits Feb 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 856861 257945 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
k: 6337
max n: 2.373.151
n = 2 5 digits
n = 8 7 digits
n = 12 8 digits
n = 26 12 digits
n = 76 27 digits
n = 120 40 digits
n = 194 63 digits
n = 220 71 digits
n = 240 77 digits
n = 288 91 digits
n = 516 160 digits
n = 636 196 digits
n = 796 244 digits
n = 1128 344 digits
n = 1256 382 digits
n = 1282 390 digits
n = 3114 942 digits
n = 7448 2246 digits
n = 9396 2833 digits
n = 12796 3856 digits
n = 14746 4443 digits
n = 18992 5721 digits Oct 1996 Patrick Demichel
n = 21156 6373 digits
n = 38552 11610 digits
n = 39516 11900 digits
n = 44882 13515 digits
n = 101140 30450 digits
n = 130482 39283 digits
n = 392096 118037 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 526136 158387 digits Jul 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 791396 238238 digits Mar 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1269674 382214 digits May 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1900528 572120 digits Feb 2024 Dmitry Domanov; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3449506 1038409 digits Jan 2023 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6339
max n: 2.372.841
n = 2 5 digits
n = 9 7 digits
n = 10 7 digits
n = 13 8 digits
n = 18 10 digits
n = 35 15 digits
n = 54 21 digits
n = 58 22 digits
n = 109 37 digits
n = 115 39 digits
n = 153 50 digits
n = 345 108 digits
n = 373 117 digits
n = 449 139 digits
n = 958 293 digits
n = 1459 444 digits
n = 4342 1311 digits 1993 Jeffrey Young
n = 5133 1549 digits
n = 6659 2009 digits Mar 1996 Patrick Demichel
n = 7254 2188 digits
n = 19198 5783 digits
n = 42509 12801 digits Apr 1999 Tadashi Taura; Proth
n = 47915 14428 digits
n = 52634 15849 digits
n = 63110 19002 digits
n = 76510 23036 digits
n = 157573 47439 digits
n = 166154 50022 digits
n = 199603 60091 digits
n = 211665 63722 digits
n = 213733 64344 digits
n = 216650 65222 digits
n = 395395 119030 digits Jan 2006 Giovanni Di Maria; NewPGen; OpenPFGW
n = 825595 248533 digits Apr 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 841798 253411 digits Apr 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 2289430 689191 digits Jun 2025 Jörg Bravin; PPSE; PrimeGrid
k: 6341
max n: 2.373.258
n = 7 6 digits
n = 29 13 digits
n = 37 15 digits
n = 49 19 digits
n = 95 33 digits
n = 103 35 digits
n = 107 37 digits
n = 439 136 digits
n = 749 230 digits
n = 1529 465 digits
n = 3299 997 digits
n = 4285 1294 digits 1993 Jeffrey Young
n = 5407 1632 digits
n = 6007 1813 digits
n = 7039 2123 digits Aug 1998 Robert Prethaler; Proth
n = 8165 2462 digits May 1996 Patrick Demichel
n = 8897 2683 digits
n = 11815 3561 digits
n = 31333 9436 digits
n = 65407 19694 digits
n = 90647 27292 digits
n = 136403 41066 digits
n = 247957 74647 digits
n = 301499 90765 digits
n = 317885 95697 digits
n = 319823 96281 digits
n = 471109 141822 digits Oct 2009 Ikumi Yuki; srsieve; PrimeGrid; LLR
n = 576233 173468 digits Nov 2010 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 1038227 312542 digits Jan 2013 Tomasz Muzia; PSieve; srsieve; PrimeGrid; LLR
n = 1393847 419594 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1875599 564616 digits Feb 2024 David Åkesson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2081047 626462 digits Jan 2025 Charles Jackson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6343
max n: 2.373.149
n = 2 5 digits
n = 4 6 digits
n = 16 9 digits
n = 40 16 digits
n = 46 18 digits
n = 66 24 digits
n = 76 27 digits
n = 104 36 digits
n = 226 72 digits
n = 314 99 digits
n = 350 110 digits
n = 634 195 digits
n = 1504 457 digits
n = 1762 535 digits
n = 2026 614 digits
n = 2970 898 digits
n = 3322 1004 digits 1993 Jeffrey Young
n = 4172 1260 digits 1993 Jeffrey Young
n = 4696 1418 digits 1993 Jeffrey Young
n = 4746 1433 digits 1993 Jeffrey Young
n = 7084 2137 digits Mar 1996 Patrick Demichel
n = 9146 2758 digits
n = 12050 3632 digits
n = 35490 10688 digits
n = 37900 11413 digits
n = 74044 22294 digits
n = 125516 37788 digits
n = 650114 195708 digits Feb 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1092376 328842 digits May 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 3407950 1025899 digits Feb 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6345
max n: 2.372.756
n = 8 7 digits
n = 20 10 digits
n = 53 20 digits
n = 84 30 digits
n = 104 36 digits
n = 116 39 digits
n = 117 40 digits
n = 156 51 digits
n = 228 73 digits
n = 308 97 digits
n = 446 139 digits
n = 497 154 digits
n = 551 170 digits
n = 584 180 digits
n = 585 180 digits
n = 3878 1172 digits 1993 Jeffrey Young
n = 4091 1236 digits 1993 Jeffrey Young
n = 4775 1442 digits 1993 Jeffrey Young
n = 7140 2154 digits
n = 7223 2179 digits
n = 8073 2435 digits
n = 9663 2913 digits
n = 11567 3486 digits Oct 1999 Alfredo Cano; Proth
n = 14321 4315 digits
n = 20777 6259 digits
n = 27111 8166 digits
n = 45188 13607 digits
n = 48620 14640 digits
n = 78063 23504 digits
n = 130745 39362 digits
n = 184166 55444 digits
n = 184365 55504 digits
n = 192347 57907 digits
n = 244073 73478 digits
n = 322377 97049 digits
n = 332997 100246 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 367287 110569 digits May 2012 Ronny Willig; PPSE; PrimeGrid
n = 414345 124735 digits Oct 2012 Casimir Ksiazek III; PPSE; PrimeGrid
n = 426617 128429 digits Nov 2012 Lennart Vogel; PPSE; PrimeGrid
n = 575747 173321 digits Nov 2010 Chris Caldwell; PSieve; srsieve; PrimeGrid; LLR
n = 749181 225530 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1135713 341888 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1687256 507919 digits Apr 2022 Robert Lacroix; PPSE; PrimeGrid
k: 6347
max n: 2.373.374
n = 3 5 digits
n = 39 16 digits
n = 51 20 digits
n = 271 86 digits
n = 535 165 digits
n = 931 285 digits
n = 1239 377 digits
n = 2371 718 digits
n = 8535 2574 digits
n = 9103 2745 digits
n = 54303 16351 digits
n = 117723 35442 digits
n = 155175 46717 digits
n = 246711 74272 digits
n = 1939083 583726 digits Mar 2024 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6349
max n: 2.372.745
n = 30 13 digits
n = 82 29 digits
n = 142 47 digits
n = 270 86 digits
n = 850 260 digits
n = 1998 606 digits
n = 14458 4357 digits
n = 30526 9194 digits
n = 251962 75852 digits
n = 786918 236890 digits Mar 2012 Uwe Eggert; PSieve; srsieve; PrimeGrid; LLR
n = 1152706 347003 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 6351
max n: 2.372.779
n = 1 5 digits
n = 5 6 digits
n = 17 9 digits
n = 27 12 digits
n = 40 16 digits
n = 76 27 digits
n = 99 34 digits
n = 109 37 digits
n = 116 39 digits
n = 144 48 digits
n = 145 48 digits
n = 149 49 digits
n = 160 52 digits
n = 167 55 digits
n = 296 93 digits
n = 351 110 digits
n = 579 179 digits
n = 675 207 digits
n = 764 234 digits
n = 1292 393 digits
n = 1599 486 digits
n = 2255 683 digits
n = 2285 692 digits
n = 2472 748 digits
n = 2649 802 digits
n = 7572 2284 digits
n = 7581 2286 digits
n = 10036 3025 digits
n = 12624 3805 digits
n = 12747 3842 digits
n = 14244 4292 digits
n = 15572 4692 digits
n = 29956 9022 digits
n = 35212 10604 digits
n = 44221 13316 digits
n = 57412 17287 digits
n = 72920 21955 digits
n = 73489 22127 digits
n = 74007 22283 digits
n = 113512 34175 digits
n = 150335 45260 digits
n = 175544 52848 digits
n = 178839 53840 digits
n = 207737 62539 digits
n = 217239 65400 digits
n = 227679 68543 digits
n = 297177 89463 digits
n = 314519 94684 digits
n = 609971 183624 digits Jan 2011 Lucas Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1075824 323860 digits Apr 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1229319 370066 digits Jan 2014 Dwight Ringdahl; PSieve; srsieve; PrimeGrid; LLR
n = 1694480 510094 digits May 2022 PPSE; PrimeGrid
n = 1725857 519539 digits Dec 2022 Giovanni Valentino; PPSE; PrimeGrid
k: 6353
max n: 2.373.300
n = 785 241 digits
n = 3497 1057 digits 1993 Jeffrey Young
n = 4961 1498 digits 1993 Jeffrey Young
n = 5337 1611 digits
n = 5357 1617 digits
n = 5765 1740 digits
n = 6853 2067 digits
n = 9501 2864 digits
n = 20041 6037 digits
n = 52045 15671 digits
n = 52157 15705 digits
n = 73025 21987 digits
n = 520241 156612 digits Jun 2010 Werner Soika; PSieve; srsieve; PrimeGrid; LLR
k: 6355
max n: 2.372.917
n = 4 6 digits
n = 8 7 digits
n = 10 7 digits
n = 14 9 digits
n = 16 9 digits
n = 26 12 digits
n = 34 15 digits
n = 104 36 digits
n = 140 46 digits
n = 328 103 digits
n = 686 211 digits
n = 808 248 digits
n = 890 272 digits
n = 1196 364 digits
n = 1490 453 digits
n = 1586 482 digits
n = 2090 633 digits
n = 2390 724 digits
n = 4970 1500 digits 1993 Jeffrey Young
n = 5618 1695 digits
n = 7736 2333 digits May 1996 Patrick Demichel
n = 12820 3864 digits
n = 31388 9453 digits
n = 42568 12819 digits
n = 52478 15802 digits
n = 103756 31238 digits
n = 122126 36768 digits
n = 1564550 470981 digits Feb 2020 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1785308 537436 digits Dec 2023 Jürgen Heinrich; PPSE; PrimeGrid
n = 1833404 551914 digits Jan 2024 Sean Matheis; PPSE; PrimeGrid
n = 2315086 696915 digits Oct 2025 Jonathan Champ; PPSE; PrimeGrid
k: 6357
max n: 2.372.805
n = 3 5 digits
n = 7 6 digits
n = 11 8 digits
n = 12 8 digits
n = 14 9 digits
n = 22 11 digits
n = 28 13 digits
n = 34 15 digits
n = 42 17 digits
n = 79 28 digits
n = 94 33 digits
n = 99 34 digits
n = 124 42 digits
n = 138 46 digits
n = 143 47 digits
n = 156 51 digits
n = 179 58 digits
n = 212 68 digits
n = 223 71 digits
n = 242 77 digits
n = 252 80 digits
n = 259 82 digits
n = 262 83 digits
n = 426 133 digits
n = 455 141 digits
n = 476 148 digits
n = 651 200 digits
n = 722 222 digits
n = 1004 307 digits
n = 1071 327 digits
n = 1087 332 digits
n = 1702 517 digits
n = 1844 559 digits
n = 2086 632 digits
n = 2122 643 digits
n = 2374 719 digits
n = 4502 1360 digits 1993 Jeffrey Young
n = 5358 1617 digits
n = 11862 3575 digits
n = 12924 3895 digits
n = 17426 5250 digits
n = 21035 6336 digits
n = 26388 7948 digits
n = 33572 10110 digits
n = 34294 10328 digits
n = 43898 13219 digits
n = 49426 14883 digits
n = 62722 18886 digits Apr 1999 Tadashi Taura; Proth
n = 80171 24138 digits
n = 189492 57047 digits
n = 204155 61461 digits
n = 206535 62178 digits
n = 233588 70321 digits
n = 325335 97940 digits
n = 337039 101463 digits Apr 2012 Sami Heikkila; PPSE; PrimeGrid
n = 344559 103727 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 386283 116287 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 517078 155660 digits Jun 2010 Steve Martin; PSieve; srsieve; PrimeGrid; LLR
n = 559099 168310 digits Oct 2010 Jessicalind Ah Kit; PSieve; srsieve; PrimeGrid; LLR
n = 596506 179571 digits Dec 2010 Tsutomu Takeuchi; PSieve; srsieve; PrimeGrid; LLR
n = 640794 192903 digits Feb 2011 John R. Bailey; PSieve; srsieve; PrimeGrid; LLR
n = 740003 222767 digits Feb 2012 Benjamin Alvarado; PSieve; srsieve; PrimeGrid; LLR
n = 744562 224140 digits Feb 2012 Dennis Chi; PSieve; srsieve; PrimeGrid; LLR
n = 854011 257087 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 922991 277852 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 938534 282531 digits Jul 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1117794 336494 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1149087 345914 digits Sep 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1224964 368755 digits Jan 2014 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 1378934 415105 digits Feb 2016 Tod Slakans; PSieve; srsieve; PrimeGrid; LLR
n = 2002279 602750 digits Oct 2024 Kai Presler; PPSE; PrimeGrid
n = 2348794 707062 digits Mar 2026 Michael Millerick; PPSE; PrimeGrid
n = 3446434 1037484 digits Jan 2023 JanPeter Fischer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6359
max n: 2.373.453
n = 3 5 digits
n = 33 14 digits
n = 47 18 digits
n = 51 20 digits
n = 93 32 digits
n = 99 34 digits
n = 107 37 digits
n = 231 74 digits
n = 371 116 digits
n = 663 204 digits
n = 1053 321 digits
n = 2079 630 digits
n = 4041 1221 digits 1993 Jeffrey Young
n = 4223 1276 digits 1993 Jeffrey Young
n = 8973 2705 digits
n = 10631 3205 digits
n = 11247 3390 digits May 1996 Patrick Demichel
n = 14853 4476 digits
n = 15219 4586 digits
n = 32843 9891 digits
n = 113877 34285 digits
n = 132297 39830 digits
n = 160827 48418 digits
n = 273993 82484 digits
n = 406401 122343 digits Aug 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 721449 217182 digits Nov 2011 Michael R. McPherson; PSieve; srsieve; PrimeGrid; LLR
n = 1322499 398116 digits Mar 2015 Peter SeyboldEpting; PSieve; srsieve; PrimeGrid; LLR
k: 6361
max n: 2.373.384
n = 24 12 digits
n = 84 30 digits
n = 300 95 digits
n = 396 124 digits
n = 516 160 digits
n = 876 268 digits
n = 16896 5091 digits
n = 20484 6171 digits Nov 1997 Kenneth J. Brazier; Proth
n = 148800 44798 digits
n = 343176 103311 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 344196 103618 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 613284 184621 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
k: 6363
max n: 2.371.969
n = 2 5 digits
n = 5 6 digits
n = 6 6 digits
n = 20 10 digits
n = 32 14 digits
n = 40 16 digits
n = 58 22 digits
n = 86 30 digits
n = 128 43 digits
n = 189 61 digits
n = 213 68 digits
n = 258 82 digits
n = 380 119 digits
n = 388 121 digits
n = 464 144 digits
n = 818 251 digits
n = 856 262 digits
n = 898 275 digits
n = 1766 536 digits
n = 2316 701 digits
n = 2606 789 digits
n = 4668 1410 digits 1993 Jeffrey Young
n = 6324 1908 digits
n = 16626 5009 digits Jul 1997 Steffen Polster; Proth
n = 34554 10406 digits
n = 42746 12872 digits
n = 43774 13182 digits
n = 67036 20184 digits
n = 88874 26758 digits
n = 94310 28394 digits
n = 101866 30669 digits
n = 129036 38848 digits
n = 169494 51027 digits
n = 196822 59254 digits
n = 237558 71516 digits
n = 275649 82983 digits
n = 296292 89197 digits
n = 361290 108763 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 362454 109114 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 378080 113818 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 2308508 694934 digits Sep 2025 Zhong Yehai; PPSE; PrimeGrid
k: 6365
max n: 2.372.562
n = 17 9 digits
n = 25 12 digits
n = 41 17 digits
n = 69 25 digits
n = 89 31 digits
n = 229 73 digits
n = 341 107 digits
n = 753 231 digits
n = 965 295 digits
n = 1101 336 digits
n = 1145 349 digits
n = 1437 437 digits
n = 2729 826 digits
n = 3245 981 digits
n = 9305 2805 digits
n = 16351 4926 digits
n = 16927 5100 digits
n = 33865 10199 digits
n = 53503 16110 digits
n = 60211 18130 digits
n = 60475 18209 digits
n = 87077 26217 digits
n = 131791 39677 digits
n = 167925 50555 digits
n = 204595 61594 digits
n = 295927 89087 digits
n = 376139 113233 digits Jun 2012 Pietari Snow; PPSE; PrimeGrid
n = 763771 229922 digits Feb 2012 Ryan English; PSieve; srsieve; PrimeGrid; LLR
n = 820881 247114 digits Apr 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1307921 393728 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 6367
max n: 2.373.277
n = 2 5 digits
n = 4 6 digits
n = 6 6 digits
n = 40 16 digits
n = 46 18 digits
n = 96 33 digits
n = 106 36 digits
n = 238 76 digits
n = 334 105 digits
n = 358 112 digits
n = 562 173 digits
n = 1240 378 digits
n = 1910 579 digits
n = 3324 1005 digits 1993 Jeffrey Young
n = 5118 1545 digits
n = 5654 1706 digits
n = 7900 2382 digits
n = 12598 3797 digits
n = 14530 4378 digits
n = 16402 4942 digits
n = 26230 7900 digits
n = 31560 9505 digits
n = 33018 9944 digits
n = 45878 13815 digits
n = 49606 14937 digits
n = 52306 15750 digits
n = 55098 16590 digits
n = 65002 19572 digits
n = 85308 25685 digits
n = 202788 61050 digits
n = 282532 85055 digits
n = 473422 142519 digits Oct 2009 Julien Thomas; srsieve; PrimeGrid; LLR
n = 498888 150185 digits Apr 2010 Bjorn Lindberg; PSieve; srsieve; PrimeGrid; LLR
n = 575044 173110 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 633336 190657 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 847050 254992 digits Apr 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1563996 470814 digits Feb 2020 Frederik Schiøler; PSieve; srsieve; PrimeGrid; LLR
k: 6369
max n: 2.372.832
n = 1 5 digits
n = 5 6 digits
n = 13 8 digits
n = 17 9 digits
n = 22 11 digits
n = 23 11 digits
n = 34 15 digits
n = 50 19 digits
n = 122 41 digits
n = 233 74 digits
n = 239 76 digits
n = 377 118 digits
n = 478 148 digits
n = 485 150 digits
n = 562 173 digits
n = 590 182 digits
n = 905 277 digits
n = 1850 561 digits
n = 13102 3948 digits
n = 17623 5309 digits
n = 17650 5317 digits
n = 20159 6073 digits
n = 20518 6181 digits
n = 28165 8483 digits
n = 29713 8949 digits
n = 32563 9807 digits
n = 47741 14376 digits
n = 78389 23602 digits
n = 81797 24628 digits
n = 84001 25291 digits
n = 144491 43500 digits
n = 145313 43748 digits
n = 188747 56823 digits
n = 752230 226448 digits Feb 2012 Daniel Linsley; PSieve; srsieve; PrimeGrid; LLR
n = 1345955 405177 digits Jul 2015 Al McAdams; PSieve; srsieve; PrimeGrid; LLR
n = 1503458 452590 digits Oct 2018 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 1733689 521897 digits Feb 2023 Juha Hauhia; PPSE; PrimeGrid
k: 6371
max n: 2.372.864
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 11 8 digits
n = 21 11 digits
n = 29 13 digits
n = 45 18 digits
n = 51 20 digits
n = 77 27 digits
n = 83 29 digits
n = 99 34 digits
n = 179 58 digits
n = 197 64 digits
n = 315 99 digits
n = 403 126 digits
n = 439 136 digits
n = 603 186 digits
n = 3457 1045 digits 1993 Jeffrey Young
n = 6825 2059 digits Mar 1996 Patrick Demichel
n = 9943 2997 digits
n = 10141 3057 digits
n = 10743 3238 digits
n = 17611 5306 digits
n = 29351 8840 digits
n = 35153 10586 digits
n = 46053 13868 digits
n = 52921 15935 digits
n = 79345 23890 digits
n = 133551 40207 digits
n = 209757 63147 digits
n = 380079 114419 digits Feb 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 391995 118007 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 467873 140848 digits Aug 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 528591 159126 digits Jul 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 609531 183491 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 643699 193777 digits Feb 2011 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 759673 228689 digits Feb 2012 Hans Joachim Böhm; PSieve; srsieve; PrimeGrid; LLR
n = 787395 237034 digits Mar 2012 Keith Thompson; PSieve; srsieve; PrimeGrid; LLR
n = 912511 274697 digits Jun 2012 Benjamin Alvarado; PSieve; srsieve; PrimeGrid; LLR
n = 1152565 346961 digits Sep 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 2131679 641704 digits Jan 2025 Itsuki Kadowaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2263357 681343 digits Apr 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6373
max n: 2.372.011
n = 8 7 digits
n = 12 8 digits
n = 36 15 digits
n = 80 28 digits
n = 140 46 digits
n = 164 54 digits
n = 378 118 digits
n = 404 126 digits
n = 540 167 digits
n = 5972 1802 digits
n = 6618 1997 digits
n = 7484 2257 digits
n = 13968 4209 digits
n = 14228 4287 digits
n = 17804 5364 digits
n = 20312 6119 digits
n = 63768 19200 digits
n = 85460 25730 digits
n = 230688 69448 digits
n = 408884 123091 digits Sep 2012 PPSE; PrimeGrid
n = 829704 249770 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1236006 372079 digits Jan 2014 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1774512 534186 digits Nov 2023 Gerry Michaud; PPSE; PrimeGrid
n = 1894068 570176 digits Feb 2024 Cédric Latge; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2149230 646987 digits Feb 2025 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6375
max n: 2.372.987
n = 3 5 digits
n = 4 6 digits
n = 13 8 digits
n = 18 10 digits
n = 22 11 digits
n = 30 13 digits
n = 48 19 digits
n = 55 21 digits
n = 103 35 digits
n = 114 39 digits
n = 115 39 digits
n = 235 75 digits
n = 259 82 digits
n = 265 84 digits
n = 300 95 digits
n = 438 136 digits
n = 628 193 digits
n = 768 235 digits
n = 829 254 digits
n = 1080 329 digits
n = 1543 469 digits
n = 1980 600 digits
n = 2164 656 digits
n = 2269 687 digits
n = 2983 902 digits
n = 3529 1067 digits 1993 Jeffrey Young
n = 4225 1276 digits 1993 Jeffrey Young
n = 5650 1705 digits
n = 11100 3346 digits
n = 11509 3469 digits
n = 16765 5051 digits Oct 1997 James Carpenter; Proth
n = 23785 7164 digits
n = 35602 10722 digits
n = 78595 23664 digits
n = 80194 24145 digits
n = 126558 38102 digits
n = 200635 60401 digits
n = 211414 63646 digits
n = 216103 65058 digits
n = 346012 104164 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 555294 167164 digits Oct 2010 Ricky L Hubbard; PSieve; srsieve; PrimeGrid; LLR
n = 594018 178822 digits Dec 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 728250 219229 digits Feb 2012 Kazuhiro Orita; PSieve; srsieve; PrimeGrid; LLR
n = 923262 277934 digits Jun 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 1100715 331353 digits Jul 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1156792 348233 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1262713 380119 digits Apr 2014 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1325770 399101 digits Mar 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1782970 536732 digits Dec 2023 Yifei Gao; PPSE; PrimeGrid
n = 2204370 663586 digits Feb 2025 Wolfram Glatte; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6377
max n: 2.373.455
n = 39 16 digits
n = 95 33 digits
n = 111 38 digits
n = 1095 334 digits
n = 16983 5117 digits
n = 21591 6504 digits
n = 43599 13129 digits
n = 81359 24496 digits
n = 85383 25707 digits
n = 507591 152804 digits May 2010 Pascal Vandaele; PSieve; srsieve; PrimeGrid; LLR
n = 535127 161094 digits Jul 2010 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 741615 223253 digits Feb 2012 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 1259159 379049 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1446719 435510 digits Apr 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1714839 516222 digits Oct 2022 Ryan Propper; PPSE; PrimeGrid
k: 6379
max n: 2.373.318
n = 1014 310 digits
n = 2742 830 digits
n = 4782 1444 digits 1993 Jeffrey Young
n = 363486 109424 digits May 2012 PPSE; PrimeGrid
n = 1343238 404359 digits Jul 2015 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1871574 563404 digits Feb 2024 Michael Bowe; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6381
max n: 2.372.011
n = 1 5 digits
n = 7 6 digits
n = 9 7 digits
n = 12 8 digits
n = 13 8 digits
n = 17 9 digits
n = 21 11 digits
n = 39 16 digits
n = 40 16 digits
n = 43 17 digits
n = 44 18 digits
n = 52 20 digits
n = 67 24 digits
n = 69 25 digits
n = 76 27 digits
n = 80 28 digits
n = 93 32 digits
n = 133 44 digits
n = 140 46 digits
n = 148 49 digits
n = 156 51 digits
n = 160 52 digits
n = 173 56 digits
n = 259 82 digits
n = 260 83 digits
n = 344 108 digits
n = 376 117 digits
n = 577 178 digits
n = 608 187 digits
n = 680 209 digits
n = 1396 425 digits
n = 1504 457 digits
n = 1837 557 digits
n = 2384 722 digits
n = 2613 791 digits
n = 3160 956 digits
n = 3877 1171 digits 1993 Jeffrey Young
n = 4609 1392 digits 1993 Jeffrey Young
n = 5337 1611 digits
n = 5968 1801 digits
n = 6892 2079 digits Mar 1996 Patrick Demichel
n = 6957 2099 digits Mar 1996 Patrick Demichel
n = 9808 2957 digits
n = 13612 4102 digits
n = 15452 4656 digits
n = 16224 4888 digits
n = 19289 5811 digits
n = 22548 6792 digits
n = 26281 7916 digits
n = 37792 11381 digits
n = 42451 12783 digits
n = 43701 13160 digits
n = 44500 13400 digits
n = 53709 16172 digits Feb 2000 Chris Caldwell; Proth
n = 54379 16374 digits
n = 60451 18202 digits
n = 82333 24789 digits
n = 94449 28436 digits
n = 111804 33661 digits
n = 114548 34487 digits
n = 123901 37302 digits
n = 162313 48865 digits
n = 212141 63865 digits
n = 295281 88893 digits
n = 344563 103728 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 376981 113487 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 453756 136598 digits May 2009 Senji Yamashita; srsieve; PrimeGrid; LLR
n = 535916 161331 digits Jul 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 558053 167995 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 617144 185783 digits Jan 2011 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 692283 208402 digits Sep 2011 Vincent DiGennaro; PSieve; srsieve; PrimeGrid; LLR
n = 705617 212416 digits Sep 2011 Xavier Droniou; PSieve; srsieve; PrimeGrid; LLR
n = 750781 226012 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 820352 246955 digits Apr 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 850137 255921 digits May 2012 Gary Desmond; PSieve; srsieve; PrimeGrid; LLR
n = 917692 276257 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1129447 340002 digits Aug 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1210317 364346 digits Dec 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1721869 518339 digits Dec 2022 Randall Scalise; PPSE; PrimeGrid
n = 1767068 531945 digits Oct 2023 Vesa Harju; PPSE; PrimeGrid
k: 6383
max n: 2.373.412
n = 85 30 digits
n = 253 80 digits
n = 2173 658 digits
n = 3253 984 digits
k: 6385
max n: 2.372.867
n = 2 5 digits
n = 4 6 digits
n = 12 8 digits
n = 54 21 digits
n = 58 22 digits
n = 64 24 digits
n = 128 43 digits
n = 234 75 digits
n = 278 88 digits
n = 394 123 digits
n = 568 175 digits
n = 584 180 digits
n = 1016 310 digits
n = 1078 329 digits
n = 1526 464 digits
n = 1668 506 digits
n = 1946 590 digits
n = 4004 1210 digits 1993 Jeffrey Young
n = 4184 1264 digits 1993 Jeffrey Young
n = 4706 1421 digits 1993 Jeffrey Young
n = 6878 2075 digits Mar 1996 Patrick Demichel
n = 7434 2242 digits
n = 9052 2729 digits
n = 19352 5830 digits
n = 40184 12101 digits
n = 73844 22234 digits
n = 98232 29575 digits
n = 98398 29625 digits
n = 135468 40784 digits
n = 143568 43223 digits
n = 172496 51931 digits
n = 282722 85112 digits
n = 308282 92806 digits
n = 539712 162474 digits Aug 2010 Yevgeniy Gorbachev; PSieve; srsieve; PrimeGrid; LLR
n = 742958 223657 digits Feb 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 861142 259234 digits May 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1509894 454528 digits Jan 2019 Donald Hatland; PSieve; srsieve; PrimeGrid; LLR
n = 1761552 530284 digits Sep 2023 Jürgen Heinrich; PPSE; PrimeGrid
k: 6387
max n: 2.372.783
n = 6 6 digits
n = 15 9 digits
n = 23 11 digits
n = 26 12 digits
n = 35 15 digits
n = 60 22 digits
n = 119 40 digits
n = 179 58 digits
n = 204 66 digits
n = 411 128 digits
n = 455 141 digits
n = 476 148 digits
n = 603 186 digits
n = 1679 510 digits
n = 1751 531 digits
n = 2184 662 digits
n = 4211 1272 digits 1993 Jeffrey Young
n = 11730 3535 digits
n = 12480 3761 digits
n = 26415 7956 digits
n = 35454 10677 digits
n = 39806 11987 digits Apr 1999 Tadashi Taura; Proth
n = 41592 12525 digits
n = 76572 23055 digits
n = 101291 30496 digits
n = 247704 74571 digits
n = 289844 87256 digits
n = 297383 89526 digits
n = 584160 175854 digits Nov 2010 Dariusz Orsicz; PSieve; srsieve; PrimeGrid; LLR
n = 1102440 331872 digits Jul 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1297872 390703 digits Oct 2014 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1412100 425089 digits Jul 2016 Shaun Cox; PSieve; srsieve; PrimeGrid; LLR
n = 3436719 1034560 digits Nov 2022 Jean Sébastien Delisle; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3469634 1044468 digits May 2023 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6389
max n: 2.373.270
n = 7 6 digits
n = 15 9 digits
n = 21 11 digits
n = 45 18 digits
n = 67 24 digits
n = 135 45 digits
n = 235 75 digits
n = 261 83 digits
n = 535 165 digits
n = 687 211 digits
n = 727 223 digits
n = 3177 961 digits
n = 5935 1791 digits
n = 15231 4589 digits
n = 18033 5433 digits
n = 19803 5966 digits
n = 20871 6287 digits
n = 48777 14688 digits
n = 79881 24051 digits
n = 192691 58010 digits
n = 201795 60751 digits
n = 526075 158369 digits Jul 2010 Larry Hays; PSieve; srsieve; PrimeGrid; LLR
n = 561357 168990 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 925341 278560 digits Jun 2012 Magnus Bergman; PSieve; srsieve; PrimeGrid; LLR
n = 1918711 577594 digits Feb 2024 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6391
max n: 2.372.835
n = 44 18 digits
n = 68 25 digits
n = 316 99 digits
n = 468 145 digits
n = 1212 369 digits
n = 2708 819 digits
n = 9676 2917 digits
n = 38012 11447 digits
n = 72868 21940 digits
n = 895108 269459 digits Jun 2012 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 949052 285697 digits Jul 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 6393
max n: 2.372.628
n = 6 6 digits
n = 9 7 digits
n = 18 10 digits
n = 25 12 digits
n = 30 13 digits
n = 38 16 digits
n = 65 24 digits
n = 137 46 digits
n = 160 52 digits
n = 166 54 digits
n = 336 105 digits
n = 382 119 digits
n = 390 122 digits
n = 489 152 digits
n = 570 176 digits
n = 768 235 digits
n = 782 240 digits
n = 1222 372 digits
n = 1285 391 digits
n = 1445 439 digits
n = 1666 506 digits
n = 1773 538 digits
n = 2042 619 digits
n = 2317 702 digits
n = 2325 704 digits
n = 3050 922 digits
n = 3602 1089 digits 1993 Jeffrey Young
n = 5488 1656 digits
n = 6502 1962 digits
n = 6925 2089 digits Mar 1996 Patrick Demichel
n = 6989 2108 digits Mar 1996 Patrick Demichel
n = 11609 3499 digits
n = 12229 3686 digits
n = 12533 3777 digits
n = 12809 3860 digits
n = 22958 6915 digits
n = 64120 19306 digits
n = 152985 46057 digits
n = 161166 48520 digits
n = 183141 55135 digits
n = 246266 74138 digits
n = 258630 77860 digits
n = 426622 128430 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 437269 131635 digits Dec 2012 Gary Harris; PPSE; PrimeGrid
n = 639710 192576 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 761928 229367 digits Feb 2012 Michael Becker; PSieve; srsieve; PrimeGrid; LLR
n = 826841 248908 digits Apr 2012 Alex Fox; PSieve; srsieve; PrimeGrid; LLR
n = 945710 284691 digits Jul 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1943928 585185 digits Mar 2024 Jan Kožíšek; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1994610 600442 digits Sep 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2102050 632784 digits Jan 2025 Thomas Brandt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3353366 1009468 digits Feb 2021 Daniel Thonon; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6395
max n: 2.372.806
n = 1 5 digits
n = 5 6 digits
n = 7 6 digits
n = 19 10 digits
n = 25 12 digits
n = 35 15 digits
n = 41 17 digits
n = 47 18 digits
n = 57 21 digits
n = 61 23 digits
n = 147 49 digits
n = 187 61 digits
n = 227 73 digits
n = 495 153 digits
n = 607 187 digits
n = 811 248 digits
n = 887 271 digits
n = 1039 317 digits
n = 1049 320 digits
n = 1099 335 digits
n = 1735 527 digits
n = 2239 678 digits
n = 6029 1819 digits
n = 6739 2033 digits
n = 12379 3731 digits
n = 12547 3781 digits
n = 14669 4420 digits
n = 15787 4757 digits
n = 26095 7860 digits
n = 32097 9666 digits
n = 33647 10133 digits
n = 51857 15615 digits
n = 52669 15859 digits
n = 58447 17599 digits
n = 96087 28929 digits
n = 540977 162855 digits Aug 2010 Axel Höpstein; PSieve; srsieve; PrimeGrid; LLR
n = 575057 173114 digits Nov 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 1261595 379782 digits Apr 2014 Masato Nose; PSieve; srsieve; PrimeGrid; LLR
n = 1290425 388461 digits Sep 2014 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1779829 535786 digits Dec 2023 Vaughan Davies; PPSE; PrimeGrid
n = 2323829 699547 digits Nov 2025 Zhong Yehai; PPSE; PrimeGrid
n = 3373135 1015419 digits Jul 2021 Vadim Bulanov; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6397
max n: 2.372.833
n = 2 5 digits
n = 8 7 digits
n = 52 20 digits
n = 92 32 digits
n = 262 83 digits
n = 500 155 digits
n = 968 296 digits
n = 2152 652 digits
n = 2318 702 digits
n = 2894 875 digits
n = 5702 1721 digits
n = 9280 2798 digits
n = 13388 4034 digits
n = 31582 9511 digits
n = 38248 11518 digits
n = 86698 26103 digits
n = 101248 30483 digits
n = 244718 73672 digits
n = 989684 297929 digits Sep 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1303538 392408 digits Feb 2015 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
k: 6399
max n: 2.372.216
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 13 8 digits
n = 15 9 digits
n = 18 10 digits
n = 65 24 digits
n = 73 26 digits
n = 75 27 digits
n = 97 34 digits
n = 135 45 digits
n = 163 53 digits
n = 217 70 digits
n = 239 76 digits
n = 303 96 digits
n = 553 171 digits
n = 815 250 digits
n = 1494 454 digits
n = 1541 468 digits
n = 2485 752 digits
n = 2679 811 digits
n = 3090 934 digits
n = 4470 1350 digits 1993 Jeffrey Young
n = 4473 1351 digits 1993 Jeffrey Young
n = 4831 1459 digits 1993 Jeffrey Young
n = 5875 1773 digits
n = 6666 2011 digits Mar 1996 Patrick Demichel
n = 7186 2168 digits May 1996 Patrick Demichel
n = 14466 4359 digits
n = 17130 5161 digits
n = 18174 5475 digits
n = 29475 8877 digits
n = 38926 11722 digits
n = 47694 14362 digits
n = 57594 17342 digits
n = 60291 18154 digits
n = 149729 45077 digits
n = 202287 60899 digits
n = 219999 66231 digits
n = 255809 77010 digits
n = 389531 117265 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 443565 133531 digits Dec 2012 Tapio Rajala; PPSE; PrimeGrid
n = 482645 145295 digits Dec 2009 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 542238 163234 digits Aug 2010 Gary Craig; PSieve; srsieve; PrimeGrid; LLR
n = 617214 185804 digits Jan 2011 Sohei Tanaka; PSieve; srsieve; PrimeGrid; LLR
n = 655707 197392 digits Mar 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1841209 554263 digits Jan 2024 Peter Hundhausen; PPSE; PrimeGrid
n = 1891821 569499 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6401
max n: 2.373.267
n = 15 9 digits
n = 99 34 digits
n = 135 45 digits
n = 455 141 digits
n = 497 154 digits
n = 687 211 digits
n = 1299 395 digits
n = 2705 819 digits
n = 94779 28536 digits
n = 185715 55910 digits
n = 192647 57997 digits
n = 327299 98531 digits
n = 548979 165263 digits Sep 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 6403
max n: 2.372.631
n = 10 7 digits
n = 36 15 digits
n = 136 45 digits
n = 156 51 digits
n = 174 57 digits
n = 202 65 digits
n = 258 82 digits
n = 406 127 digits
n = 912 279 digits
n = 1122 342 digits
n = 1684 511 digits
n = 2866 867 digits
n = 3378 1021 digits 1993 Jeffrey Young
n = 3646 1102 digits 1993 Jeffrey Young
n = 4410 1332 digits 1993 Jeffrey Young
n = 5704 1721 digits
n = 7378 2225 digits May 1996 Patrick Demichel
n = 15564 4690 digits
n = 19278 5808 digits
n = 25938 7812 digits
n = 27474 8275 digits
n = 36964 11132 digits
n = 130902 39410 digits
n = 132952 40027 digits
n = 137098 41275 digits
n = 177712 53501 digits
n = 505876 152288 digits May 2010 Bjorn Lindberg; PSieve; srsieve; PrimeGrid; LLR
n = 1225086 368792 digits Jan 2014 Michael Dörscheln; PSieve; srsieve; PrimeGrid; LLR
n = 1323856 398525 digits Mar 2015 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1739080 523520 digits Apr 2023 Sanghyeok Lee; PPSE; PrimeGrid
k: 6405
max n: 2.372.420
n = 2 5 digits
n = 3 5 digits
n = 4 6 digits
n = 9 7 digits
n = 18 10 digits
n = 19 10 digits
n = 29 13 digits
n = 40 16 digits
n = 50 19 digits
n = 60 22 digits
n = 61 23 digits
n = 65 24 digits
n = 66 24 digits
n = 113 38 digits
n = 120 40 digits
n = 165 54 digits
n = 176 57 digits
n = 239 76 digits
n = 299 94 digits
n = 385 120 digits
n = 420 131 digits
n = 525 162 digits
n = 611 188 digits
n = 820 251 digits
n = 896 274 digits
n = 960 293 digits
n = 1129 344 digits
n = 1241 378 digits
n = 1359 413 digits
n = 2481 751 digits
n = 4321 1305 digits 1993 Jeffrey Young
n = 4920 1485 digits 1993 Jeffrey Young
n = 5080 1534 digits
n = 6063 1829 digits
n = 6432 1941 digits
n = 6796 2050 digits
n = 6872 2073 digits Mar 1996 Patrick Demichel
n = 7805 2354 digits
n = 8228 2481 digits
n = 8928 2692 digits
n = 9876 2977 digits
n = 13169 3969 digits
n = 14324 4316 digits
n = 14788 4456 digits
n = 16656 5018 digits
n = 25530 7690 digits
n = 25933 7811 digits
n = 28408 8556 digits
n = 31119 9372 digits
n = 34989 10537 digits
n = 41311 12440 digits
n = 43850 13204 digits
n = 79312 23880 digits
n = 87529 26353 digits
n = 94124 28338 digits
n = 148961 44846 digits
n = 151866 45721 digits
n = 193026 58111 digits
n = 210085 63246 digits
n = 356268 107252 digits May 2012 PPSE; PrimeGrid
n = 371836 111938 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 678399 204223 digits Aug 2011 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 851044 256194 digits May 2012 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 855388 257502 digits May 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1071048 322422 digits Apr 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1434960 431970 digits Feb 2017 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1434980 431976 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1623323 488673 digits Feb 2021 Bob Calvin; PSieve; srsieve; PrimeGrid; LLR
n = 2150082 647243 digits Feb 2025 Liam McGonegal; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2221164 668641 digits Feb 2025 David Bestor; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3376890 1016549 digits Aug 2021 Christopher Clemence; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6407
max n: 2.372.763
n = 3 5 digits
n = 19 10 digits
n = 50667 15257 digits Sep 2000 Baptiste Heyman; Proth
k: 6409
max n: 2.373.065
n = 14 9 digits
n = 26 12 digits
n = 46 18 digits
n = 66 24 digits
n = 326 102 digits
n = 350 110 digits
n = 1794 544 digits
n = 2746 831 digits
n = 2906 879 digits
n = 7834 2363 digits
n = 20290 6112 digits
n = 22230 6696 digits
n = 24486 7375 digits Feb 1999 Baptiste Heyman; Proth
n = 42294 12736 digits
n = 44066 13269 digits
n = 57446 17297 digits
n = 65074 19594 digits
n = 84374 25403 digits
n = 118414 35650 digits
n = 162894 49040 digits
n = 270266 81362 digits
n = 401990 121015 digits Jul 2012 Bruce Dodson; PPSE; PrimeGrid
n = 638150 192107 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
k: 6411
max n: 2.372.787
n = 1 5 digits
n = 7 6 digits
n = 8 7 digits
n = 25 12 digits
n = 28 13 digits
n = 31 14 digits
n = 40 16 digits
n = 56 21 digits
n = 280 89 digits
n = 404 126 digits
n = 455 141 digits
n = 788 242 digits
n = 892 273 digits
n = 1100 335 digits
n = 1172 357 digits
n = 2360 715 digits
n = 2471 748 digits
n = 8365 2522 digits
n = 9776 2947 digits
n = 10360 3123 digits
n = 12133 3657 digits May 1993 Jeffrey Young
n = 14584 4395 digits
n = 16375 4934 digits
n = 33104 9970 digits
n = 41680 12551 digits
n = 60956 18354 digits
n = 66304 19964 digits
n = 98615 29690 digits
n = 194743 58628 digits
n = 396044 119225 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 1118425 336684 digits Aug 2013 Joe Norris; PSieve; srsieve; PrimeGrid; LLR
n = 1167868 351568 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1197487 360484 digits Nov 2013 Andrey Fesenko; PSieve; srsieve; PrimeGrid; LLR
k: 6413
max n: 2.373.289
n = 21 11 digits
n = 37 15 digits
n = 45 18 digits
n = 65 24 digits
n = 77 27 digits
n = 125 42 digits
n = 137 46 digits
n = 161 53 digits
n = 245 78 digits
n = 1041 318 digits
n = 1297 395 digits
n = 1609 489 digits
n = 4037 1220 digits 1993 Jeffrey Young
n = 42005 12649 digits
n = 760841 229040 digits Feb 2012 Chen Hsun Chang; PSieve; srsieve; PrimeGrid; LLR
n = 1076061 323931 digits Apr 2013 Lucas Brandstaetter; PSieve; srsieve; PrimeGrid; LLR
n = 1200117 361276 digits Nov 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1248785 375926 digits Feb 2014 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 2154857 648681 digits Feb 2025 Glenn Hall; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2302649 693171 digits Aug 2025 Vaughan Davies; PPSE; PrimeGrid
k: 6415
max n: 2.373.360
n = 6 6 digits
n = 38 16 digits
n = 78 28 digits
n = 86 30 digits
n = 108 37 digits
n = 188 61 digits
n = 602 186 digits
n = 1178 359 digits
n = 1260 384 digits
n = 1788 543 digits
n = 2886 873 digits
n = 23856 7186 digits
n = 24890 7497 digits
n = 55998 16861 digits
n = 84258 25368 digits
n = 137606 41428 digits
n = 193556 58270 digits
n = 1013118 304983 digits Oct 2012 Victor de Hollander; PSieve; srsieve; PrimeGrid; LLR
k: 6417
max n: 2.372.657
n = 4 6 digits
n = 7 6 digits
n = 28 13 digits
n = 34 15 digits
n = 94 33 digits
n = 114 39 digits
n = 120 40 digits
n = 274 87 digits
n = 310 98 digits
n = 718 220 digits
n = 1830 555 digits
n = 1867 566 digits
n = 3000 907 digits
n = 3868 1169 digits 1993 Jeffrey Young
n = 5634 1700 digits
n = 7818 2358 digits
n = 7987 2409 digits
n = 8074 2435 digits
n = 8779 2647 digits
n = 10618 3201 digits
n = 14752 4445 digits
n = 22279 6711 digits
n = 24370 7340 digits
n = 26887 8098 digits
n = 81280 24472 digits
n = 100974 30401 digits
n = 119682 36032 digits
n = 119827 36076 digits
n = 336220 101217 digits Apr 2012 Stefan Larsson; PPSE; PrimeGrid
n = 504690 151931 digits May 2010 Ossi Mauno; PSieve; srsieve; PrimeGrid; LLR
n = 507844 152881 digits May 2010 Bjorn Lindberg; PSieve; srsieve; PrimeGrid; LLR
n = 529432 159379 digits Jul 2010 Bruce Webbe; PSieve; srsieve; PrimeGrid; LLR
n = 542614 163347 digits Aug 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 720324 216843 digits Nov 2011 Eric Ueda; PSieve; srsieve; PrimeGrid; LLR
k: 6419
max n: 2.372.628
n = 9 7 digits
n = 13 8 digits
n = 15 9 digits
n = 27 12 digits
n = 29 13 digits
n = 45 18 digits
n = 53 20 digits
n = 61 23 digits
n = 63 23 digits
n = 79 28 digits
n = 105 36 digits
n = 115 39 digits
n = 129 43 digits
n = 151 50 digits
n = 155 51 digits
n = 227 73 digits
n = 323 102 digits
n = 367 115 digits
n = 389 121 digits
n = 483 150 digits
n = 507 157 digits
n = 647 199 digits
n = 679 209 digits
n = 1151 351 digits
n = 1619 492 digits
n = 2431 736 digits
n = 2947 891 digits
n = 3305 999 digits
n = 5929 1789 digits
n = 7071 2133 digits Mar 1996 Patrick Demichel
n = 7809 2355 digits
n = 12265 3696 digits
n = 12491 3764 digits
n = 14697 4429 digits
n = 15681 4725 digits
n = 15915 4795 digits
n = 25571 7702 digits
n = 43771 13181 digits
n = 46119 13888 digits
n = 47131 14192 digits Sep 2001 Jim Fougeron; FermFact; OpenPFGW
n = 68875 20738 digits Aug 2000 James Carpenter; Proth
n = 87821 26441 digits
n = 90055 27114 digits
n = 129475 38980 digits
n = 243877 73419 digits
n = 310873 93586 digits
n = 455157 137020 digits May 2009 Gil Emery; srsieve; PrimeGrid; LLR
n = 477731 143816 digits Oct 2009 Martyn Ronald Woodward; srsieve; PrimeGrid; LLR
n = 497231 149686 digits Jun 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 560223 168648 digits Oct 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 813293 244830 digits Mar 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 887231 267087 digits Jun 2012 Zmanj; PSieve; srsieve; PrimeGrid; LLR
n = 937899 282340 digits Jul 2012 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1190541 358393 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1351093 406724 digits Aug 2015 Pavel Belolipetskiy; PSieve; srsieve; PrimeGrid; LLR
n = 1600599 481833 digits Sep 2020 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 2249293 677109 digits Mar 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6421
max n: 2.372.623
n = 20 10 digits
n = 40 16 digits
n = 44 18 digits
n = 140 46 digits
n = 200 65 digits
n = 224 72 digits
n = 5200 1570 digits
n = 5920 1786 digits
n = 17288 5209 digits
n = 325004 97840 digits
n = 368140 110825 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 553808 166717 digits
n = 780400 234928 digits Feb 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 2346724 706439 digits Mar 2026 Adrian Baker; PPSE; PrimeGrid
k: 6423
max n: 2.372.908
n = 2 5 digits
n = 4 6 digits
n = 5 6 digits
n = 13 8 digits
n = 14 9 digits
n = 21 11 digits
n = 22 11 digits
n = 28 13 digits
n = 34 15 digits
n = 46 18 digits
n = 48 19 digits
n = 61 23 digits
n = 97 34 digits
n = 133 44 digits
n = 145 48 digits
n = 292 92 digits
n = 314 99 digits
n = 332 104 digits
n = 374 117 digits
n = 596 184 digits
n = 772 237 digits
n = 1142 348 digits
n = 2774 839 digits
n = 2821 854 digits
n = 3864 1167 digits 1993 Jeffrey Young
n = 4381 1323 digits 1993 Jeffrey Young
n = 8209 2475 digits May 1996 Patrick Demichel
n = 13733 4138 digits
n = 18601 5604 digits
n = 20458 6163 digits
n = 29246 8808 digits
n = 37156 11189 digits
n = 38566 11614 digits
n = 42518 12804 digits
n = 44544 13413 digits
n = 83638 25182 digits
n = 90921 27374 digits
n = 142378 42864 digits
n = 171064 51500 digits
n = 177469 53428 digits
n = 194224 58472 digits
n = 285968 86089 digits
n = 308796 92961 digits
n = 520478 156684 digits Jun 2010 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 548974 165262 digits Sep 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 985654 296716 digits Sep 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1672977 503621 digits Feb 2022 Andrej Doms; PSieve; srsieve; PrimeGrid; LLR
n = 1925944 579771 digits Feb 2024 Marshall Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3475393 1046202 digits Jul 2023 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6425
max n: 2.373.190
n = 19 10 digits
n = 37 15 digits
n = 41 17 digits
n = 77 27 digits
n = 91 32 digits
n = 137 46 digits
n = 179 58 digits
n = 827 253 digits
n = 1031 315 digits
n = 2179 660 digits
n = 4667 1409 digits 1993 Jeffrey Young
n = 7861 2371 digits
n = 9193 2772 digits
n = 13253 3994 digits
n = 16541 4984 digits
n = 18539 5585 digits
n = 30131 9075 digits
n = 53681 16164 digits Jan 2000 Chris Caldwell; Proth
n = 61277 18451 digits
n = 391537 117869 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 458651 138072 digits Jun 2009 Christos Vassiladiotis; srsieve; PrimeGrid; LLR
n = 755519 227438 digits Feb 2012 Brian Carpenter; PSieve; srsieve; PrimeGrid; LLR
n = 1799477 541701 digits Jan 2024 Dr. James Scott Brown; PPSE; PrimeGrid
k: 6427
max n: 2.372.783
n = 40 16 digits
n = 58 22 digits
n = 64 24 digits
n = 338 106 digits
n = 704 216 digits
n = 776 238 digits
n = 878 269 digits
n = 954 291 digits
n = 1502 456 digits
n = 3286 993 digits
n = 3322 1004 digits 1993 Jeffrey Young
n = 4048 1223 digits 1993 Jeffrey Young
n = 5454 1646 digits
n = 5968 1801 digits
n = 7800 2352 digits
n = 8326 2511 digits
n = 17878 5386 digits
n = 19794 5963 digits
n = 22206 6689 digits
n = 25358 7638 digits
n = 26686 8038 digits
n = 73040 21992 digits
n = 76910 23157 digits
n = 90410 27220 digits May 2001 Dr. James McElhatton; Proth
n = 134038 40354 digits
n = 246258 74135 digits
n = 320338 96436 digits
n = 568822 171237 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 587614 176894 digits Dec 2010 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 924888 278423 digits Jul 2012 Patrick Zeczycki; PSieve; srsieve; PrimeGrid; LLR
n = 1019360 306862 digits Oct 2012 Dave Sanny; PSieve; srsieve; PrimeGrid; LLR
n = 2231608 671785 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6429
max n: 2.373.341
n = 2 5 digits
n = 33 14 digits
n = 42 17 digits
n = 47 18 digits
n = 66 24 digits
n = 398 124 digits
n = 2429 736 digits
n = 2727 825 digits
n = 2985 903 digits
n = 3545 1071 digits 1993 Jeffrey Young
n = 9387 2830 digits
n = 23715 7143 digits
n = 37002 11143 digits
n = 38142 11486 digits
n = 59009 17768 digits
n = 59099 17795 digits
n = 69593 20954 digits
n = 129713 39052 digits
n = 215010 64729 digits
n = 223323 67231 digits
n = 235406 70869 digits
n = 276929 83368 digits
n = 482963 145391 digits Dec 2009 Charles Matthews; PSieve; srsieve; PrimeGrid; LLR
n = 612782 184470 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 670698 201905 digits Jun 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1120799 337398 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1549242 466373 digits Nov 2019 Andreas Reich; PSieve; srsieve; PrimeGrid; LLR
n = 2160105 650261 digits Feb 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6431
max n: 2.373.020
n = 3 5 digits
n = 7 6 digits
n = 9 7 digits
n = 13 8 digits
n = 15 9 digits
n = 21 11 digits
n = 57 21 digits
n = 63 23 digits
n = 111 38 digits
n = 139 46 digits
n = 183 59 digits
n = 231 74 digits
n = 255 81 digits
n = 285 90 digits
n = 475 147 digits
n = 525 162 digits
n = 1501 456 digits
n = 1587 482 digits
n = 1809 549 digits
n = 1899 576 digits
n = 1947 590 digits
n = 2583 782 digits
n = 2937 888 digits
n = 3027 916 digits
n = 22785 6863 digits
n = 34135 10280 digits
n = 144511 43506 digits
n = 232695 70052 digits
n = 1624075 488900 digits Feb 2021 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 6433
max n: 2.372.833
n = 2 5 digits
n = 4 6 digits
n = 8 7 digits
n = 10 7 digits
n = 22 11 digits
n = 46 18 digits
n = 52 20 digits
n = 56 21 digits
n = 80 28 digits
n = 96 33 digits
n = 108 37 digits
n = 128 43 digits
n = 188 61 digits
n = 312 98 digits
n = 350 110 digits
n = 860 263 digits
n = 968 296 digits
n = 1140 347 digits
n = 1220 372 digits
n = 2206 668 digits
n = 2220 673 digits
n = 2954 894 digits
n = 4974 1502 digits 1993 Jeffrey Young
n = 5166 1559 digits
n = 5312 1603 digits
n = 5512 1664 digits
n = 8824 2661 digits
n = 9688 2921 digits
n = 15782 4755 digits
n = 19540 5886 digits
n = 23500 7079 digits
n = 26930 8111 digits
n = 87606 26376 digits
n = 102948 30995 digits
n = 186612 56180 digits
n = 455780 137208 digits May 2009 Bob Kuehne; srsieve; PrimeGrid; LLR
n = 600904 180894 digits Jan 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 614070 184858 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 647826 195019 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1015456 305687 digits Oct 2012 Allen Evans; PSieve; srsieve; PrimeGrid; LLR
n = 1294154 389583 digits Sep 2014 Andreas H. Mahnken; PSieve; srsieve; PrimeGrid; LLR
k: 6435
max n: 2.372.382
n = 2 5 digits
n = 3 5 digits
n = 6 6 digits
n = 8 7 digits
n = 11 8 digits
n = 17 9 digits
n = 24 12 digits
n = 25 12 digits
n = 33 14 digits
n = 36 15 digits
n = 41 17 digits
n = 47 18 digits
n = 48 19 digits
n = 50 19 digits
n = 91 32 digits
n = 102 35 digits
n = 104 36 digits
n = 108 37 digits
n = 122 41 digits
n = 195 63 digits
n = 264 84 digits
n = 422 131 digits
n = 524 162 digits
n = 632 195 digits
n = 651 200 digits
n = 834 255 digits
n = 911 279 digits
n = 1481 450 digits
n = 1577 479 digits
n = 1889 573 digits
n = 1951 592 digits
n = 2294 695 digits
n = 2834 857 digits
n = 3922 1185 digits 1993 Jeffrey Young
n = 4567 1379 digits 1993 Jeffrey Young
n = 5250 1585 digits
n = 5425 1637 digits
n = 5892 1778 digits
n = 7423 2239 digits
n = 8187 2469 digits
n = 10671 3217 digits
n = 11100 3346 digits
n = 11623 3503 digits
n = 12696 3826 digits
n = 13931 4198 digits
n = 16689 5028 digits
n = 16928 5100 digits
n = 17232 5192 digits
n = 19470 5865 digits
n = 22211 6690 digits
n = 28251 8509 digits
n = 34418 10365 digits
n = 35617 10726 digits
n = 35732 10761 digits
n = 48953 14741 digits
n = 49418 14881 digits
n = 53660 16158 digits
n = 73841 22233 digits May 2001 David Terr; Proth
n = 75065 22601 digits Jun 2001 David Terr; Proth
n = 76154 22929 digits Jun 2001 David Terr; Proth
n = 91401 27519 digits
n = 111050 33434 digits
n = 123295 37120 digits
n = 125150 37678 digits
n = 132067 39760 digits
n = 141458 42587 digits
n = 242838 73106 digits
n = 294402 88628 digits
n = 304963 91807 digits
n = 347902 104733 digits Apr 2012 Brook Harste; PPSE; PrimeGrid
n = 378048 113808 digits Jun 2012 Bruce Dodson; PPSE; PrimeGrid
n = 406080 122247 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 578507 174152 digits Nov 2010 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 618396 186160 digits Jan 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 993067 298947 digits Sep 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1315727 396078 digits Feb 2015 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1385447 417065 digits Feb 2016 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 1656998 498810 digits Jan 2022 Erik Veit; PSieve; srsieve; PrimeGrid; LLR
n = 1924382 579301 digits Mar 2024 Kyle Gingrich; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1955443 588651 digits Apr 2024 Maxim Veselov; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2337215 703576 digits Jan 2026 David Perek; PPSE; PrimeGrid
n = 2346078 706244 digits Mar 2026 Ryo Takahashi; PPSE; PrimeGrid
k: 6437
max n: 2.372.854
n = 11 8 digits
n = 27 12 digits
n = 75 27 digits
n = 83 29 digits
n = 151 50 digits
n = 207 67 digits
n = 263 83 digits
n = 323 102 digits
n = 359 112 digits
n = 1339 407 digits
n = 1355 412 digits
n = 1439 437 digits
n = 2123 643 digits
n = 4199 1268 digits 1993 Jeffrey Young
n = 6551 1976 digits
n = 7035 2122 digits
n = 7711 2326 digits May 1996 Patrick Demichel
n = 7831 2362 digits
n = 15935 4801 digits
n = 16515 4976 digits
n = 41359 12455 digits
n = 41435 12477 digits
n = 80999 24387 digits Jul 2001 Sander Hoogendoorn; Proth
n = 119455 35964 digits
n = 212555 63990 digits
n = 226635 68228 digits
n = 269423 81109 digits
n = 289771 87234 digits
n = 434743 130875 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 449891 135435 digits Jan 2013 Gary Craig; PPSE; PrimeGrid
n = 1064367 320411 digits Apr 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1511443 454994 digits Jan 2019 Ian Dickinson; PSieve; srsieve; PrimeGrid; LLR
n = 1718535 517335 digits Nov 2022 Ryan Propper; PPSE; PrimeGrid
k: 6439
max n: 2.372.938
n = 578 178 digits
n = 1466 446 digits
n = 1546 470 digits
n = 3266 987 digits
n = 5794 1748 digits
n = 73994 22279 digits
n = 155986 46961 digits
n = 466514 140439 digits Sep 2009 Mathew Steine; srsieve; PrimeGrid; LLR
n = 1039594 312953 digits Jan 2013 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1868690 562536 digits Feb 2024 Mike Doneske; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6441
max n: 2.372.623
n = 11 8 digits
n = 12 8 digits
n = 17 9 digits
n = 19 10 digits
n = 29 13 digits
n = 43 17 digits
n = 45 18 digits
n = 53 20 digits
n = 59 22 digits
n = 131 44 digits
n = 192 62 digits
n = 211 68 digits
n = 269 85 digits
n = 291 92 digits
n = 435 135 digits
n = 437 136 digits
n = 581 179 digits
n = 592 183 digits
n = 701 215 digits
n = 787 241 digits
n = 875 268 digits
n = 947 289 digits
n = 1337 407 digits
n = 1445 439 digits
n = 1673 508 digits
n = 1907 578 digits
n = 2040 618 digits
n = 3419 1034 digits 1993 Jeffrey Young
n = 4121 1245 digits 1993 Jeffrey Young
n = 4581 1383 digits 1993 Jeffrey Young
n = 7689 2319 digits
n = 12720 3833 digits
n = 15131 4559 digits
n = 19053 5740 digits
n = 22104 6658 digits
n = 24739 7451 digits
n = 33771 10170 digits
n = 34965 10530 digits
n = 45003 13552 digits
n = 46457 13989 digits Apr 1999 Tadashi Taura; Proth
n = 51432 15487 digits
n = 110891 33386 digits
n = 131820 39686 digits
n = 140357 42256 digits
n = 168924 50855 digits
n = 193857 58361 digits
n = 235185 70802 digits
n = 249029 74970 digits
n = 449227 135235 digits Jan 2013 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 1071011 322411 digits Apr 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1175369 353826 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1411745 424982 digits Jul 2016 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1480571 445701 digits Feb 2018 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 1758285 529301 digits Aug 2023 Randall Scalise; PPSE; PrimeGrid
n = 1958915 589696 digits May 2024 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2054069 618341 digits Jan 2025 Mark Williams; PPSE; PrimeGrid
n = 3453227 1039529 digits Feb 2023 Wolfram Glatte; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6443
max n: 2.372.636
n = 5 6 digits
n = 9 7 digits
n = 45 18 digits
n = 105 36 digits
n = 149 49 digits
n = 213 68 digits
n = 329 103 digits
n = 401 125 digits
n = 609 188 digits
n = 813 249 digits
n = 1533 466 digits
n = 2577 780 digits
n = 17585 5298 digits
n = 28541 8596 digits
n = 36869 11103 digits
n = 81981 24683 digits
n = 103677 31214 digits
n = 122565 36900 digits
n = 129789 39075 digits
n = 143573 43224 digits
n = 383105 115330 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 517857 155895 digits Jun 2010 Ville Koskinen; PSieve; srsieve; PrimeGrid; LLR
n = 523017 157448 digits Jul 2010 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 583205 175567 digits Nov 2010 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 756777 227817 digits Feb 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 796149 239669 digits Mar 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
k: 6445
max n: 2.373.167
n = 6 6 digits
n = 36 15 digits
n = 76 27 digits
n = 364 114 digits
n = 2836 858 digits
n = 2932 887 digits
n = 3718 1124 digits 1993 Jeffrey Young
n = 8716 2628 digits
n = 14482 4364 digits
n = 60306 18158 digits
n = 60438 18198 digits
n = 86932 26173 digits
n = 107386 32331 digits
n = 123864 37291 digits
n = 492556 148278 digits Mar 2010 Markus Schoenberger; PSieve; srsieve; PrimeGrid; LLR
n = 1327114 399505 digits Mar 2015 Matthew Borneman; PSieve; srsieve; PrimeGrid; LLR
n = 1702648 512552 digits Jul 2022 PPSE; PrimeGrid
n = 2272758 684173 digits May 2025 Angus Basil; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6447
max n: 2.372.637
n = 3 5 digits
n = 6 6 digits
n = 11 8 digits
n = 23 11 digits
n = 43 17 digits
n = 47 18 digits
n = 63 23 digits
n = 87 30 digits
n = 244 78 digits
n = 344 108 digits
n = 383 120 digits
n = 472 146 digits
n = 776 238 digits
n = 952 291 digits
n = 1043 318 digits
n = 1168 356 digits
n = 1398 425 digits
n = 1719 522 digits
n = 3299 997 digits
n = 3531 1067 digits 1993 Jeffrey Young
n = 4964 1499 digits 1993 Jeffrey Young
n = 5024 1517 digits
n = 5608 1692 digits
n = 5819 1756 digits
n = 8896 2682 digits
n = 9392 2832 digits
n = 10683 3220 digits
n = 11379 3430 digits
n = 15947 4805 digits
n = 16156 4868 digits
n = 17751 5348 digits
n = 19659 5922 digits
n = 28239 8505 digits
n = 34523 10397 digits
n = 36539 11004 digits
n = 43871 13211 digits
n = 50131 15095 digits
n = 103227 31079 digits
n = 200384 60326 digits Dec 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 248804 74902 digits
n = 388612 116988 digits Jun 2012 Stefan Larsson; PPSE; PrimeGrid
n = 582803 175445 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 856064 257705 digits May 2012 Fred Lane; PSieve; srsieve; PrimeGrid; LLR
n = 1398198 420904 digits Mar 2016 Stephen P. Norton; PSieve; srsieve; PrimeGrid; LLR
n = 2083734 627271 digits Jan 2025 Dieter Stoll; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2297598 691650 digits Jul 2025 Hugh Myers; PPSE; PrimeGrid
n = 3398499 1023054 digits Feb 2022 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6449
max n: 2.371.500
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 15 9 digits
n = 19 10 digits
n = 23 11 digits
n = 25 12 digits
n = 29 13 digits
n = 31 14 digits
n = 61 23 digits
n = 63 23 digits
n = 79 28 digits
n = 113 38 digits
n = 199 64 digits
n = 251 80 digits
n = 259 82 digits
n = 509 158 digits
n = 799 245 digits
n = 1039 317 digits
n = 1353 412 digits
n = 1955 593 digits
n = 2599 787 digits
n = 2751 832 digits
n = 2801 847 digits
n = 3421 1034 digits 1993 Jeffrey Young
n = 4019 1214 digits 1993 Jeffrey Young
n = 4823 1456 digits 1993 Jeffrey Young
n = 5195 1568 digits
n = 5335 1610 digits
n = 6459 1949 digits
n = 8345 2516 digits
n = 8475 2556 digits
n = 10799 3255 digits
n = 10953 3301 digits
n = 12351 3722 digits
n = 23961 7217 digits
n = 32993 9936 digits
n = 35651 10736 digits
n = 35983 10836 digits
n = 39891 12013 digits
n = 63873 19232 digits
n = 76699 23093 digits
n = 80201 24147 digits
n = 82321 24785 digits
n = 127431 38365 digits
n = 134245 40416 digits
n = 181145 54534 digits
n = 314295 94617 digits
n = 410585 123603 digits Sep 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 940193 283031 digits Jul 2012 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 1019325 306852 digits Oct 2012 Lonnie Christensen; PSieve; srsieve; PrimeGrid; LLR
n = 1052359 316796 digits Mar 2013 Serge Batalov; PSieve; srsieve; PrimeGrid; LLR
n = 1148749 345812 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1690159 508793 digits May 2022 Honza Cholt; PPSE; PrimeGrid
k: 6451
max n: 2.373.432
n = 4 6 digits
n = 8 7 digits
n = 148 49 digits
n = 180 58 digits
n = 428 133 digits
n = 1240 378 digits
n = 3644 1101 digits 1993 Jeffrey Young
n = 4948 1494 digits 1993 Jeffrey Young
n = 28812 8678 digits
n = 39892 12013 digits
n = 54648 16455 digits
n = 122184 36785 digits
n = 377608 113676 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 418192 125893 digits Oct 2012 Brook Harste; PPSE; PrimeGrid
n = 1451648 436994 digits Jun 2017 Jan Kumsta; PSieve; srsieve; PrimeGrid; LLR
n = 1520176 457623 digits Feb 2019 Edward McKernan; PSieve; srsieve; PrimeGrid; LLR
k: 6453
max n: 2.372.712
n = 1 5 digits
n = 14 9 digits
n = 16 9 digits
n = 34 15 digits
n = 40 16 digits
n = 50 19 digits
n = 52 20 digits
n = 85 30 digits
n = 92 32 digits
n = 100 34 digits
n = 104 36 digits
n = 110 37 digits
n = 134 45 digits
n = 145 48 digits
n = 190 62 digits
n = 193 62 digits
n = 241 77 digits
n = 262 83 digits
n = 310 98 digits
n = 322 101 digits
n = 589 182 digits
n = 760 233 digits
n = 992 303 digits
n = 1081 330 digits
n = 1249 380 digits
n = 1993 604 digits
n = 2090 633 digits
n = 2284 692 digits
n = 3170 959 digits
n = 3181 962 digits
n = 4834 1459 digits 1993 Jeffrey Young
n = 5252 1585 digits
n = 5450 1645 digits
n = 5885 1776 digits
n = 7397 2231 digits
n = 8302 2503 digits
n = 12017 3622 digits
n = 14162 4267 digits
n = 14201 4279 digits
n = 17237 5193 digits
n = 26521 7988 digits
n = 27674 8335 digits
n = 28201 8494 digits
n = 30340 9138 digits
n = 46817 14098 digits
n = 62101 18699 digits
n = 92396 27818 digits
n = 400441 120549 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 406642 122416 digits Aug 2012 Ronny Willig; PPSE; PrimeGrid
n = 604462 181966 digits Jan 2011 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 714185 214995 digits Nov 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 892510 268677 digits Jun 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1112789 334987 digits Jul 2013 Tsukasa Sasaki; PSieve; srsieve; PrimeGrid; LLR
n = 1179424 355046 digits Oct 2013 Steven F. Bohl; PSieve; srsieve; PrimeGrid; LLR
n = 1588090 478067 digits Sep 2020 Lee Stephens; PSieve; srsieve; PrimeGrid; LLR
n = 1972505 593787 digits Jun 2024 Hugh Myers; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2317229 697560 digits Oct 2025 Li Yawei; PPSE; PrimeGrid
k: 6455
max n: 2.373.421
n = 1 5 digits
n = 15 9 digits
n = 23 11 digits
n = 27 12 digits
n = 51 20 digits
n = 95 33 digits
n = 181 59 digits
n = 201 65 digits
n = 477 148 digits
n = 615 189 digits
n = 3013 911 digits
n = 3457 1045 digits 1993 Jeffrey Young
n = 4443 1342 digits 1993 Jeffrey Young
n = 9987 3011 digits
n = 11077 3339 digits
n = 12505 3769 digits
n = 40801 12287 digits
n = 49515 14910 digits
n = 91587 27575 digits
n = 99783 30042 digits
n = 115421 34749 digits
n = 142165 42800 digits
n = 147615 44441 digits
n = 206733 62237 digits
n = 295433 88939 digits
n = 421755 126965 digits Nov 2012 PPSE; PrimeGrid
n = 575845 173351 digits Nov 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1405251 423027 digits May 2016 Daniel Liebmann; PSieve; srsieve; PrimeGrid; LLR
n = 2170437 653371 digits Feb 2025 Ondrej Hajek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6457
max n: 2.372.861
n = 8 7 digits
n = 12 8 digits
n = 14 9 digits
n = 30 13 digits
n = 32 14 digits
n = 42 17 digits
n = 50 19 digits
n = 54 21 digits
n = 96 33 digits
n = 182 59 digits
n = 188 61 digits
n = 350 110 digits
n = 426 133 digits
n = 776 238 digits
n = 1038 317 digits
n = 1392 423 digits
n = 1418 431 digits
n = 1532 465 digits
n = 1640 498 digits
n = 4878 1473 digits 1993 Jeffrey Young
n = 5280 1594 digits
n = 8844 2667 digits
n = 13164 3967 digits
n = 13454 4054 digits
n = 20780 6260 digits
n = 31904 9608 digits
n = 52364 15767 digits
n = 89714 27011 digits
n = 99176 29859 digits
n = 143204 43113 digits
n = 155856 46922 digits
n = 513140 154475 digits Jun 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1651770 497237 digits Jan 2022 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1997708 601374 digits Sep 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6459
max n: 2.372.637
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 10 7 digits
n = 15 9 digits
n = 22 11 digits
n = 30 13 digits
n = 37 15 digits
n = 39 16 digits
n = 66 24 digits
n = 91 32 digits
n = 129 43 digits
n = 177 58 digits
n = 222 71 digits
n = 327 103 digits
n = 375 117 digits
n = 453 141 digits
n = 621 191 digits
n = 646 199 digits
n = 1099 335 digits
n = 1339 407 digits
n = 2026 614 digits
n = 2058 624 digits
n = 2290 694 digits
n = 2637 798 digits
n = 3963 1197 digits 1993 Jeffrey Young
n = 4353 1315 digits 1993 Jeffrey Young
n = 4542 1372 digits 1993 Jeffrey Young
n = 7413 2236 digits
n = 12075 3639 digits Jan 1998 Baptiste Heyman; Proth
n = 18615 5608 digits
n = 27067 8152 digits
n = 31681 9541 digits
n = 32835 9889 digits
n = 40419 12172 digits
n = 42706 12860 digits
n = 45381 13665 digits
n = 54969 16552 digits
n = 60490 18214 digits
n = 100443 30241 digits
n = 127977 38529 digits
n = 136741 41167 digits
n = 166843 50229 digits
n = 194901 58675 digits
n = 217755 65555 digits
n = 425251 128018 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 674413 203023 digits Jul 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 701142 211069 digits Sep 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 764643 230185 digits Feb 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 801570 241301 digits Mar 2012 John ODonnell; PSieve; srsieve; PrimeGrid; LLR
n = 1282497 386074 digits Jul 2014 Jozsef Schmidt; PSieve; srsieve; PrimeGrid; LLR
n = 1750969 527099 digits Jun 2023 Randall Scalise; PPSE; PrimeGrid
n = 1776309 534727 digits Nov 2023 Vaughan Davies; PPSE; PrimeGrid
n = 1778719 535452 digits Dec 2023 Vaughan Davies; PPSE; PrimeGrid
n = 1853463 557952 digits Jan 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2272119 683980 digits May 2025 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3332086 1003062 digits Mar 2020 Michael Becker; PSieve; srsieve; PrimeGrid; LLR
n = 3359457 1011302 digits Mar 2021 Ricky L Hubbard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6461
max n: 2.373.136
n = 1 5 digits
n = 7 6 digits
n = 11 8 digits
n = 15 9 digits
n = 19 10 digits
n = 29 13 digits
n = 67 24 digits
n = 335 105 digits
n = 607 187 digits
n = 789 242 digits
n = 959 293 digits
n = 2525 764 digits
n = 4249 1283 digits 1993 Jeffrey Young
n = 6441 1943 digits
n = 9749 2939 digits
n = 21095 6355 digits
n = 113667 34221 digits
n = 147809 44499 digits
n = 173377 52196 digits
n = 225611 67920 digits
n = 502087 151148 digits Jun 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 763049 229705 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1097279 330318 digits Jun 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1220717 367477 digits Dec 2013 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1235539 371939 digits Jan 2014 Gergely Papp; PSieve; srsieve; PrimeGrid; LLR
n = 1413011 425363 digits Jul 2016 Alexander Falk; PSieve; srsieve; PrimeGrid; LLR
k: 6463
max n: 2.372.757
n = 4 6 digits
n = 10 7 digits
n = 18 10 digits
n = 20 10 digits
n = 30 13 digits
n = 60 22 digits
n = 148 49 digits
n = 254 81 digits
n = 484 150 digits
n = 528 163 digits
n = 588 181 digits
n = 704 216 digits
n = 708 217 digits
n = 918 281 digits
n = 2260 685 digits
n = 2832 857 digits
n = 4192 1266 digits 1993 Jeffrey Young
n = 9390 2831 digits
n = 10550 3180 digits
n = 50680 15261 digits
n = 234494 70594 digits
n = 327084 98466 digits
n = 540918 162837 digits Aug 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 632358 190363 digits Feb 2011 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 636320 191556 digits Feb 2011 Tsutomu Takeuchi; PSieve; srsieve; PrimeGrid; LLR
n = 657904 198053 digits Mar 2011 Keith Pattenden; PSieve; srsieve; PrimeGrid; LLR
n = 708348 213238 digits Sep 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 902782 271769 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 932332 280664 digits Jul 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1091010 328431 digits May 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1636618 492675 digits Apr 2021 Vadim Bulanov; PSieve; srsieve; PrimeGrid; LLR
n = 2337588 703688 digits Jan 2026 Lucas Deixonne; PPSE; PrimeGrid
k: 6465
max n: 2.372.570
n = 3 5 digits
n = 7 6 digits
n = 14 9 digits
n = 18 10 digits
n = 19 10 digits
n = 21 11 digits
n = 24 12 digits
n = 25 12 digits
n = 26 12 digits
n = 30 13 digits
n = 53 20 digits
n = 59 22 digits
n = 63 23 digits
n = 66 24 digits
n = 69 25 digits
n = 74 27 digits
n = 79 28 digits
n = 87 31 digits
n = 168 55 digits
n = 216 69 digits
n = 275 87 digits
n = 318 100 digits
n = 505 156 digits
n = 747 229 digits
n = 764 234 digits
n = 788 242 digits
n = 1176 358 digits
n = 1424 433 digits
n = 1430 435 digits
n = 1518 461 digits
n = 1808 549 digits
n = 2031 616 digits
n = 2303 698 digits
n = 2727 825 digits
n = 5079 1533 digits
n = 6575 1984 digits
n = 7308 2204 digits
n = 10136 3056 digits
n = 10230 3084 digits
n = 11979 3610 digits
n = 12306 3709 digits
n = 12670 3818 digits
n = 13581 4093 digits
n = 13606 4100 digits
n = 15918 4796 digits
n = 18105 5454 digits
n = 20145 6069 digits
n = 22214 6691 digits
n = 37371 11254 digits
n = 42641 12841 digits
n = 49848 15010 digits
n = 61723 18585 digits
n = 65997 19871 digits
n = 66238 19944 digits
n = 69838 21028 digits
n = 80564 24256 digits
n = 83576 25163 digits
n = 86651 26089 digits
n = 92534 27860 digits
n = 93558 28168 digits
n = 102873 30972 digits
n = 121520 36585 digits
n = 123620 37218 digits
n = 144741 43576 digits
n = 263410 79299 digits
n = 265069 79798 digits
n = 325688 98046 digits
n = 338389 101870 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 358026 107781 digits May 2012 PPSE; PrimeGrid
n = 452960 136359 digits Sep 2008 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 455435 137104 digits Sep 2008 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 462267 139161 digits Sep 2008 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 574035 172806 digits Jan 2009 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 635208 191221 digits Jan 2010 Mario Gaspar Neves; NewPGen; PRP; Proth
n = 651006 195977 digits Mar 2011 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 672847 202551 digits Jun 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 676051 203516 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 881033 265222 digits May 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 973477 293050 digits Aug 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1173351 353218 digits Oct 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1365991 411209 digits Nov 2015 Jesse Cyruss Harlow; PSieve; srsieve; PrimeGrid; LLR
n = 3407229 1025682 digits Feb 2022 Vesa Harju; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6467
max n: 2.372.422
n = 23 11 digits
n = 175 57 digits
n = 215 69 digits
n = 959 293 digits
n = 2935 888 digits
n = 3503 1059 digits 1993 Jeffrey Young
n = 3671 1109 digits 1993 Jeffrey Young
n = 4763 1438 digits 1993 Jeffrey Young
n = 5831 1760 digits
n = 12551 3783 digits
n = 42403 12769 digits
n = 95383 28717 digits
n = 1009519 303900 digits Oct 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1017679 306356 digits Oct 2012 JanPeter Fischer; PSieve; srsieve; PrimeGrid; LLR
n = 2348795 707062 digits Mar 2026 Ichiro Akimoto; PPSE; PrimeGrid
k: 6469
max n: 2.373.137
n = 6 6 digits
n = 34 15 digits
n = 42 17 digits
n = 54 21 digits
n = 90 31 digits
n = 94 33 digits
n = 138 46 digits
n = 182 59 digits
n = 314 99 digits
n = 350 110 digits
n = 678 208 digits
n = 938 287 digits
n = 3242 980 digits
n = 5150 1555 digits
n = 8102 2443 digits
n = 45814 13796 digits
n = 53502 16110 digits
n = 66382 19987 digits
n = 300158 90361 digits
n = 377674 113696 digits Jun 2012 Charley Gielkens; PPSE; PrimeGrid
n = 529842 159503 digits Jul 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 645550 194334 digits Feb 2011 Moritz Klickermann; PSieve; srsieve; PrimeGrid; LLR
n = 2323534 699458 digits Nov 2025 David Perek; PPSE; PrimeGrid
k: 6471
max n: 2.372.912
n = 3 5 digits
n = 5 6 digits
n = 9 7 digits
n = 11 8 digits
n = 23 11 digits
n = 36 15 digits
n = 53 20 digits
n = 75 27 digits
n = 149 49 digits
n = 171 56 digits
n = 245 78 digits
n = 359 112 digits
n = 381 119 digits
n = 419 130 digits
n = 471 146 digits
n = 525 162 digits
n = 629 194 digits
n = 756 232 digits
n = 1515 460 digits
n = 1629 495 digits
n = 2595 785 digits
n = 2736 828 digits
n = 2753 833 digits
n = 2771 838 digits
n = 2793 845 digits
n = 2999 907 digits
n = 3588 1084 digits 1993 Jeffrey Young
n = 7545 2276 digits
n = 7980 2407 digits
n = 29043 8747 digits
n = 71273 21460 digits
n = 75936 22863 digits
n = 138635 41738 digits
n = 141119 42485 digits Aug 2001 Wolfgang Elsner; Proth
n = 161685 48676 digits
n = 237420 71475 digits
n = 317220 95497 digits
n = 715439 215373 digits Nov 2011 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1828859 550546 digits Jan 2024 Kai Presler; PPSE; PrimeGrid
n = 1832904 551763 digits Jan 2024 Sam Black; PPSE; PrimeGrid
k: 6473
max n: 2.372.816
n = 45 18 digits
n = 57 21 digits
n = 3465 1047 digits 1993 Jeffrey Young
n = 5589 1687 digits
n = 24529 7388 digits
n = 279849 84247 digits
k: 6475
max n: 2.373.015
n = 14 9 digits
n = 50 19 digits
n = 72 26 digits
n = 82 29 digits
n = 600 185 digits
n = 4600 1389 digits 1993 Jeffrey Young
n = 4960 1497 digits 1993 Jeffrey Young
n = 8302 2503 digits
n = 9926 2992 digits
n = 13916 4193 digits
n = 22286 6713 digits
n = 22852 6883 digits
n = 24454 7366 digits Oct 1998 Baptiste Heyman; Proth
n = 43202 13009 digits
n = 152052 45777 digits
n = 155064 46683 digits
n = 182560 54960 digits
n = 198404 59730 digits
n = 210596 63400 digits
n = 289900 87273 digits
n = 677904 204074 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1794646 540247 digits Jan 2024 Markus Straub; PPSE; PrimeGrid
n = 3391496 1020946 digits Jan 2022 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6477
max n: 2.372.745
n = 3 5 digits
n = 7 6 digits
n = 22 11 digits
n = 23 11 digits
n = 82 29 digits
n = 91 32 digits
n = 92 32 digits
n = 102 35 digits
n = 222 71 digits
n = 250 80 digits
n = 378 118 digits
n = 1822 553 digits
n = 3808 1151 digits 1993 Jeffrey Young
n = 6292 1898 digits
n = 10282 3100 digits
n = 11615 3501 digits
n = 13432 4048 digits
n = 15552 4686 digits
n = 30466 9175 digits
n = 34763 10469 digits
n = 36178 10895 digits
n = 42547 12812 digits
n = 53878 16223 digits Apr 1999 Tadashi Taura; Proth
n = 80887 24354 digits
n = 98432 29635 digits
n = 129486 38983 digits
n = 250450 75397 digits
n = 251278 75647 digits
n = 271028 81592 digits
n = 281532 84754 digits
n = 300832 90564 digits
n = 800778 241063 digits Mar 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1343958 404576 digits Jul 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
k: 6479
max n: 2.372.998
n = 1 5 digits
n = 5 6 digits
n = 13 8 digits
n = 15 9 digits
n = 41 17 digits
n = 47 18 digits
n = 65 24 digits
n = 71 26 digits
n = 109 37 digits
n = 111 38 digits
n = 191 62 digits
n = 277 88 digits
n = 431 134 digits
n = 461 143 digits
n = 559 173 digits
n = 665 204 digits
n = 737 226 digits
n = 1265 385 digits
n = 1335 406 digits
n = 1393 424 digits
n = 4097 1238 digits 1993 Jeffrey Young
n = 4445 1342 digits 1993 Jeffrey Young
n = 5567 1680 digits
n = 9485 2860 digits
n = 14081 4243 digits
n = 19863 5984 digits
n = 31849 9592 digits
n = 87847 26449 digits
n = 108855 32773 digits
n = 138743 41770 digits
n = 281441 84726 digits
n = 305165 91868 digits
n = 419887 126403 digits Oct 2012 Nikolaos Derziotis; PPSE; PrimeGrid
n = 527463 158786 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2091881 629723 digits Jan 2025 Thorsten Sambale; PPSE; PrimeGrid
k: 6481
max n: 2.372.815
n = 28 13 digits
n = 88 31 digits
n = 400 125 digits
n = 14548 4384 digits
n = 87640 26387 digits
n = 135016 40648 digits
n = 186880 56261 digits
n = 351352 105772 digits May 2012 PPSE; PrimeGrid
n = 1235200 371837 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 6483
max n: 2.372.859
n = 1 5 digits
n = 2 5 digits
n = 5 6 digits
n = 6 6 digits
n = 8 7 digits
n = 12 8 digits
n = 20 10 digits
n = 24 12 digits
n = 28 13 digits
n = 57 21 digits
n = 85 30 digits
n = 104 36 digits
n = 112 38 digits
n = 125 42 digits
n = 134 45 digits
n = 148 49 digits
n = 292 92 digits
n = 329 103 digits
n = 628 193 digits
n = 864 264 digits
n = 1166 355 digits
n = 1317 401 digits
n = 1428 434 digits
n = 2366 717 digits
n = 2448 741 digits
n = 2861 866 digits
n = 4985 1505 digits 1993 Jeffrey Young
n = 5258 1587 digits
n = 7874 2375 digits
n = 9960 3003 digits
n = 11592 3494 digits
n = 13250 3993 digits
n = 13656 4115 digits
n = 17649 5317 digits
n = 27630 8322 digits
n = 34348 10344 digits
n = 60242 18139 digits Apr 1999 Tadashi Taura; Proth
n = 65537 19733 digits Mar 2001 Dr. James McElhatton; Proth
n = 70517 21232 digits
n = 86289 25980 digits
n = 90074 27119 digits
n = 113997 34321 digits
n = 120820 36375 digits
n = 133080 40065 digits
n = 205185 61771 digits
n = 215645 64920 digits
n = 218772 65861 digits
n = 219689 66137 digits
n = 271008 81586 digits
n = 324986 97835 digits
n = 437709 131768 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 547745 164892 digits Sep 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 592842 178468 digits Dec 2010 Takashi Iwasaki; PSieve; srsieve; PrimeGrid; LLR
n = 805337 242435 digits Mar 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 955988 287785 digits Jul 2012 Wayne Chang; PSieve; srsieve; PrimeGrid; LLR
n = 1056600 318073 digits Apr 2013 Andrew M Farrow; PSieve; srsieve; PrimeGrid; LLR
n = 1136682 342180 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1524796 459014 digits Feb 2019 Robert L. Clark; PSieve; srsieve; PrimeGrid; LLR
n = 2084346 627455 digits Jan 2025 Mark Williams; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2281424 686781 digits May 2025 Robert Coplin; PPSE; PrimeGrid
n = 2299496 692222 digits Aug 2025 Michael Millerick; PPSE; PrimeGrid
k: 6485
max n: 2.373.461
n = 5 6 digits
n = 21 11 digits
n = 29 13 digits
n = 51 20 digits
n = 63 23 digits
n = 125 42 digits
n = 411 128 digits
n = 555 171 digits
n = 639 197 digits
n = 915 280 digits
n = 16749 5046 digits
n = 59349 17870 digits
n = 158199 47627 digits
n = 161439 48602 digits
n = 285693 86006 digits
n = 620861 186902 digits Feb 2011 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 1487789 447873 digits Mar 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 2085981 627947 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6487
max n: 2.372.115
n = 28 13 digits
n = 90 31 digits
n = 720 221 digits
n = 9268 2794 digits
n = 42328 12746 digits
n = 46578 14026 digits
n = 46774 14085 digits
n = 520704 156752 digits Jul 2010 Danny T. Morris; PSieve; srsieve; PrimeGrid; LLR
n = 582258 175281 digits Nov 2010 Glen Martin; PSieve; srsieve; PrimeGrid; LLR
n = 1133658 341269 digits Aug 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1140768 343410 digits Aug 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1248334 375790 digits Feb 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1625646 489373 digits Feb 2021 Bob Calvin; PSieve; srsieve; PrimeGrid; LLR
k: 6489
max n: 2.372.794
n = 1 5 digits
n = 3 5 digits
n = 9 7 digits
n = 11 8 digits
n = 23 11 digits
n = 25 12 digits
n = 35 15 digits
n = 45 18 digits
n = 49 19 digits
n = 75 27 digits
n = 95 33 digits
n = 109 37 digits
n = 134 45 digits
n = 234 75 digits
n = 275 87 digits
n = 363 114 digits
n = 499 155 digits
n = 527 163 digits
n = 585 180 digits
n = 801 245 digits
n = 806 247 digits
n = 1315 400 digits
n = 1727 524 digits
n = 1731 525 digits
n = 1946 590 digits
n = 2118 642 digits
n = 2279 690 digits
n = 3955 1195 digits 1993 Jeffrey Young
n = 3983 1203 digits 1993 Jeffrey Young
n = 7261 2190 digits
n = 8675 2616 digits
n = 10087 3041 digits
n = 16671 5023 digits
n = 17006 5124 digits
n = 22699 6837 digits
n = 41845 12601 digits
n = 46339 13954 digits Apr 1999 Tadashi Taura; Proth
n = 91057 27415 digits
n = 110029 33126 digits
n = 153295 46151 digits
n = 156342 47068 digits
n = 166091 50003 digits
n = 199357 60017 digits
n = 283267 85276 digits
n = 540122 162597 digits Aug 2010 Christian Einvik; PSieve; srsieve; PrimeGrid; LLR
n = 730246 219830 digits Feb 2012 Walter Darimont; PSieve; srsieve; PrimeGrid; LLR
n = 1107355 333351 digits Jul 2013 Jason Kairl; PSieve; srsieve; PrimeGrid; LLR
n = 1296099 390169 digits Sep 2014 Stefan Ruch; PSieve; srsieve; PrimeGrid; LLR
n = 1364131 410649 digits Nov 2015 Jesper Hedlund; PSieve; srsieve; PrimeGrid; LLR
n = 1558511 469163 digits Feb 2020 Brian D. Niegocki; PSieve; srsieve; PrimeGrid; LLR
n = 1972943 593919 digits Jun 2024 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2255387 678943 digits Mar 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6491
max n: 2.373.369
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 17 9 digits
n = 19 10 digits
n = 21 11 digits
n = 113 38 digits
n = 157 52 digits
n = 199 64 digits
n = 207 67 digits
n = 229 73 digits
n = 283 90 digits
n = 303 96 digits
n = 611 188 digits
n = 947 289 digits
n = 1153 351 digits
n = 1219 371 digits
n = 1909 579 digits
n = 1921 583 digits
n = 7609 2295 digits
n = 12301 3707 digits
n = 16473 4963 digits
n = 31851 9592 digits
n = 35203 10601 digits
n = 36321 10938 digits
n = 41531 12506 digits
n = 54057 16277 digits
n = 60883 18332 digits
n = 145033 43664 digits
n = 195127 58743 digits
n = 283537 85357 digits
n = 315703 95040 digits
n = 344087 103585 digits Apr 2012 Vaughan Davies; PPSE; PrimeGrid
n = 377777 113727 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 505599 152205 digits May 2010 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 631759 190183 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1384437 416761 digits Feb 2016 Steffen Klaus; PSieve; srsieve; PrimeGrid; SG Booster; LLR
n = 1884831 567395 digits Feb 2024 Lukas Sandhop; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2156073 649047 digits Feb 2025 Lorin Arnold; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6493
max n: 2.372.011
n = 4 6 digits
n = 6 6 digits
n = 10 7 digits
n = 22 11 digits
n = 54 21 digits
n = 82 29 digits
n = 140 46 digits
n = 170 55 digits
n = 674 207 digits
n = 890 272 digits
n = 1974 599 digits
n = 2604 788 digits
n = 3374 1020 digits 1993 Jeffrey Young
n = 5620 1696 digits
n = 7398 2231 digits
n = 9330 2813 digits
n = 9582 2889 digits
n = 9850 2969 digits
n = 10236 3086 digits
n = 11166 3366 digits
n = 17874 5385 digits
n = 19254 5800 digits
n = 26166 7881 digits
n = 58866 17725 digits
n = 61348 18472 digits
n = 65290 19659 digits
n = 80884 24353 digits
n = 123420 37157 digits
n = 140086 42174 digits
n = 175170 52736 digits
n = 218102 65660 digits
n = 224454 67572 digits
n = 230356 69348 digits
n = 262738 79096 digits
n = 361868 108937 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 471604 141971 digits Oct 2009 Peter Tibbott; srsieve; PrimeGrid; LLR
n = 882014 265517 digits May 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1053042 317002 digits Mar 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1070050 322121 digits Apr 2013 Heinz Durstewitz; PSieve; srsieve; PrimeGrid; LLR
n = 1736198 522652 digits Mar 2023 Randall Scalise; PPSE; PrimeGrid
k: 6495
max n: 2.372.919
n = 2 5 digits
n = 7 6 digits
n = 22 11 digits
n = 38 16 digits
n = 74 27 digits
n = 250 80 digits
n = 254 81 digits
n = 256 81 digits
n = 259 82 digits
n = 698 214 digits
n = 1208 368 digits
n = 1216 370 digits
n = 1334 406 digits
n = 2306 698 digits
n = 2497 756 digits
n = 3337 1009 digits 1993 Jeffrey Young
n = 11899 3586 digits
n = 11926 3594 digits
n = 13682 4123 digits
n = 17917 5398 digits
n = 30224 9103 digits
n = 36968 11133 digits
n = 37703 11354 digits
n = 108079 32539 digits
n = 143074 43074 digits
n = 169450 51014 digits
n = 174559 52552 digits
n = 175873 52947 digits
n = 241499 72703 digits
n = 512578 154306 digits Jun 2010 James Steichen; PSieve; srsieve; PrimeGrid; LLR
n = 565888 170354 digits Oct 2010 Raphael Hoegger; PSieve; srsieve; PrimeGrid; LLR
n = 812927 244720 digits Mar 2012 Hanjoon Kim; PSieve; srsieve; PrimeGrid; LLR
n = 846986 254973 digits Apr 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1216904 366329 digits Dec 2013 Rob Kodey; PSieve; srsieve; PrimeGrid; LLR
n = 1286528 387288 digits Jul 2014 Howard Abbey; PSieve; srsieve; PrimeGrid; LLR
n = 1349834 406345 digits Aug 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1409216 424221 digits Jun 2016 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1723187 518735 digits Dec 2022 Raphaël Gervais Lavoie; PPSE; PrimeGrid
n = 2232439 672035 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2344027 705627 digits Feb 2026 Alex Hogan; PPSE; PrimeGrid
k: 6497
max n: 2.373.351
n = 3 5 digits
n = 7 6 digits
n = 135 45 digits
n = 303 96 digits
n = 483 150 digits
n = 655 201 digits
n = 759 233 digits
n = 807 247 digits
n = 1511 459 digits
n = 1795 545 digits
n = 3459 1046 digits 1993 Jeffrey Young
n = 4479 1353 digits 1993 Jeffrey Young
n = 7143 2155 digits May 1996 Patrick Demichel
n = 10507 3167 digits
n = 19791 5962 digits
n = 28723 8651 digits
n = 38271 11525 digits
n = 65323 19668 digits
n = 82419 24815 digits
n = 118335 35627 digits
n = 204707 61627 digits
n = 205947 62001 digits
n = 340927 102634 digits Apr 2012 Jörg Meili; PPSE; PrimeGrid
n = 357519 107628 digits May 2012 PPSE; PrimeGrid
n = 579183 174356 digits Nov 2010 Dariusz Orsicz; PSieve; srsieve; PrimeGrid; LLR
n = 680143 204748 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1702439 512490 digits Jul 2022 Andrew M Farrow; PPSE; PrimeGrid
n = 1891579 569426 digits Feb 2024 Valentin Noxe; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3367743 1013796 digits May 2021 Nick Merrylees; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6499
max n: 2.373.029
n = 2 5 digits
n = 6 6 digits
n = 26 12 digits
n = 66 24 digits
n = 74 27 digits
n = 170 55 digits
n = 182 59 digits
n = 186 60 digits
n = 222 71 digits
n = 270 86 digits
n = 374 117 digits
n = 2126 644 digits
n = 4262 1287 digits 1993 Jeffrey Young
n = 4746 1433 digits 1993 Jeffrey Young
n = 5502 1661 digits
n = 7034 2122 digits
n = 14306 4311 digits
n = 58910 17738 digits
n = 383918 115575 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 755514 227437 digits Feb 2012 Lammert van der Veen; PSieve; srsieve; PrimeGrid; LLR
n = 1024098 308289 digits Oct 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1780658 536036 digits Dec 2023 Vaughan Davies; PPSE; PrimeGrid
k: 6501
max n: 2.372.786
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 9 7 digits
n = 13 8 digits
n = 16 9 digits
n = 45 18 digits
n = 55 21 digits
n = 99 34 digits
n = 100 34 digits
n = 141 47 digits
n = 147 49 digits
n = 169 55 digits
n = 175 57 digits
n = 177 58 digits
n = 213 68 digits
n = 292 92 digits
n = 472 146 digits
n = 571 176 digits
n = 627 193 digits
n = 663 204 digits
n = 1215 370 digits
n = 1696 515 digits
n = 1968 597 digits
n = 2500 757 digits
n = 2815 852 digits
n = 3699 1118 digits 1993 Jeffrey Young
n = 4383 1324 digits 1993 Jeffrey Young
n = 6853 2067 digits
n = 8296 2502 digits
n = 9213 2778 digits
n = 10176 3068 digits
n = 10473 3157 digits
n = 14469 4360 digits
n = 15667 4721 digits
n = 17545 5286 digits
n = 18039 5435 digits
n = 53251 16034 digits
n = 173067 52103 digits
n = 298243 89784 digits
n = 392052 118024 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 490192 147567 digits Feb 2010 David Mumper; PSieve; srsieve; PrimeGrid; LLR
n = 528763 159178 digits Jul 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 690081 207739 digits Aug 2011 Rene Schick; PSieve; srsieve; PrimeGrid; LLR
n = 1000123 301071 digits Sep 2010 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1220856 367519 digits Dec 2013 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1564987 471112 digits Feb 2020 Rene Schick; PSieve; srsieve; PrimeGrid; LLR
k: 6503
max n: 2.373.424
n = 1 5 digits
n = 17 9 digits
n = 73 26 digits
n = 153 50 digits
n = 801 245 digits
n = 3217 973 digits
n = 7473 2254 digits
n = 9937 2996 digits
n = 31017 9341 digits
n = 55193 16619 digits
n = 122305 36822 digits
n = 191465 57641 digits
n = 309865 93283 digits
n = 479001 144198 digits Oct 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 635713 191373 digits Feb 2011 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1060513 319251 digits Apr 2013 Masumi Hamada; PSieve; srsieve; PrimeGrid; LLR
k: 6505
max n: 2.372.797
n = 2 5 digits
n = 38 16 digits
n = 50 19 digits
n = 68 25 digits
n = 84 30 digits
n = 90 31 digits
n = 142 47 digits
n = 168 55 digits
n = 236 75 digits
n = 366 114 digits
n = 520 161 digits
n = 572 177 digits
n = 646 199 digits
n = 748 229 digits
n = 1056 322 digits
n = 1082 330 digits
n = 1434 436 digits
n = 1676 509 digits
n = 1942 589 digits
n = 2246 680 digits
n = 2326 705 digits
n = 4850 1464 digits 1993 Jeffrey Young
n = 6236 1882 digits
n = 8970 2705 digits
n = 9734 2935 digits
n = 11726 3534 digits
n = 12710 3830 digits
n = 13754 4145 digits
n = 19332 5824 digits
n = 22644 6821 digits
n = 24040 7241 digits
n = 25294 7619 digits
n = 27814 8377 digits
n = 51288 15444 digits
n = 186874 56259 digits
n = 200076 60233 digits May 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 202488 60959 digits
n = 375480 113035 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 401484 120863 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 413590 124507 digits Oct 2012 Bart Kus; PPSE; PrimeGrid
n = 671098 202025 digits Jun 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 792266 238500 digits Mar 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 1113034 335061 digits Jul 2013 Bradford Nye; PSieve; srsieve; PrimeGrid; LLR
n = 1374850 413875 digits Jan 2016 Michele T. Mazzucato; PSieve; srsieve; PrimeGrid; LLR
n = 1641114 494029 digits Jun 2021 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 3322916 1000302 digits Jul 2019 Vassili Koriabine; PSieve; srsieve; PrimeGrid; LLR
k: 6507
max n: 2.372.623
n = 2 5 digits
n = 3 5 digits
n = 4 6 digits
n = 11 8 digits
n = 15 9 digits
n = 24 12 digits
n = 35 15 digits
n = 39 16 digits
n = 50 19 digits
n = 59 22 digits
n = 122 41 digits
n = 123 41 digits
n = 264 84 digits
n = 284 90 digits
n = 290 92 digits
n = 304 96 digits
n = 404 126 digits
n = 488 151 digits
n = 555 171 digits
n = 603 186 digits
n = 682 210 digits
n = 684 210 digits
n = 719 221 digits
n = 730 224 digits
n = 1520 462 digits
n = 1848 561 digits
n = 1947 590 digits
n = 1970 597 digits
n = 2098 636 digits
n = 2783 842 digits
n = 3267 988 digits
n = 4812 1453 digits 1993 Jeffrey Young
n = 8471 2554 digits
n = 8618 2599 digits May 1996 Patrick Demichel
n = 8690 2620 digits
n = 11304 3407 digits
n = 14223 4286 digits
n = 16074 4843 digits
n = 19888 5991 digits
n = 20852 6281 digits
n = 29568 8905 digits
n = 30383 9151 digits
n = 32924 9915 digits
n = 46792 14090 digits
n = 47867 14414 digits
n = 71292 21465 digits
n = 73935 22261 digits
n = 95811 28846 digits
n = 138939 41829 digits
n = 157295 47355 digits
n = 187167 56347 digits
n = 204243 61488 digits
n = 217955 65615 digits
n = 286292 86187 digits
n = 372827 112236 digits May 2012 Lukasz Piotrowski; PPSE; PrimeGrid
n = 418290 125922 digits Oct 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 429107 129178 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 486863 146565 digits Jan 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 514187 154790 digits May 2010 Andre Schulz; PSieve; srsieve; PrimeGrid; LLR
n = 630219 189719 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 678660 204301 digits Aug 2011 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 812832 244691 digits Mar 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 879027 264618 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 919524 276809 digits Jun 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1041275 313459 digits Jan 2013 Seppo Parviainen; PSieve; srsieve; PrimeGrid; LLR
n = 1086328 327022 digits Apr 2013 Heinz Ming; PSieve; srsieve; PrimeGrid; LLR
n = 1289544 388196 digits Aug 2014 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1369864 412374 digits Dec 2015 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1409602 424337 digits Jun 2016 Andrew Maiman; PSieve; srsieve; PrimeGrid; LLR
n = 1545778 465330 digits Sep 2019 Frank Schwegler; PSieve; srsieve; PrimeGrid; LLR
n = 1608723 484278 digits Oct 2020 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 6509
max n: 2.373.433
n = 37 15 digits
n = 169 55 digits
n = 329 103 digits
n = 341 107 digits
n = 4297 1298 digits 1993 Jeffrey Young
n = 5621 1696 digits
n = 6713 2025 digits Mar 1996 Patrick Demichel
n = 7961 2401 digits
n = 72077 21702 digits
n = 227393 68456 digits
n = 259267 78051 digits
n = 360337 108477 digits Feb 2009 Iury Benevelli; srsieve; PrimeGrid; LLR
n = 395317 119007 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 1560739 469834 digits Feb 2020 Michael Millerick; PSieve; srsieve; PrimeGrid; LLR
k: 6511
max n: 2.373.023
n = 16 9 digits
n = 84 30 digits
n = 264 84 digits
n = 344 108 digits
n = 644 198 digits
n = 764 234 digits
n = 788 242 digits
n = 1108 338 digits
n = 2908 880 digits
n = 9784 2950 digits
n = 32952 9924 digits
n = 148456 44694 digits
n = 161476 48613 digits
n = 205048 61730 digits
n = 447496 134714 digits Jan 2013 Roger Karpin; PPSE; PrimeGrid
n = 720988 217043 digits Nov 2011 Dwayne Sterling Roberts; PSieve; srsieve; PrimeGrid; LLR
n = 973684 293112 digits Aug 2012 Andrà Deutschmann; PSieve; srsieve; PrimeGrid; LLR
n = 1436732 432504 digits Feb 2017 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 6513
max n: 2.373.056
n = 2 5 digits
n = 6 6 digits
n = 8 7 digits
n = 29 13 digits
n = 36 15 digits
n = 48 19 digits
n = 74 27 digits
n = 80 28 digits
n = 116 39 digits
n = 158 52 digits
n = 209 67 digits
n = 230 74 digits
n = 401 125 digits
n = 422 131 digits
n = 468 145 digits
n = 501 155 digits
n = 564 174 digits
n = 576 178 digits
n = 872 267 digits
n = 912 279 digits
n = 944 288 digits
n = 1578 479 digits
n = 1862 565 digits
n = 2013 610 digits
n = 2960 895 digits
n = 2982 902 digits
n = 3137 949 digits
n = 3473 1050 digits 1993 Jeffrey Young
n = 3537 1069 digits 1993 Jeffrey Young
n = 3581 1082 digits 1993 Jeffrey Young
n = 6761 2040 digits Mar 1996 Patrick Demichel
n = 7697 2321 digits
n = 9266 2794 digits
n = 31128 9375 digits
n = 31472 9478 digits
n = 31742 9560 digits
n = 33062 9957 digits
n = 35486 10687 digits
n = 43293 13037 digits
n = 47130 14192 digits
n = 61920 18644 digits
n = 77256 23261 digits
n = 82542 24852 digits
n = 90312 27191 digits
n = 192420 57929 digits
n = 214857 64683 digits
n = 472749 142316 digits Oct 2009 Petr Kriz; srsieve; PrimeGrid; LLR
n = 493244 148486 digits Mar 2010 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 726492 218700 digits Feb 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 746853 224829 digits Feb 2012 Gus Obermeyer; PSieve; srsieve; PrimeGrid; LLR
n = 766896 230863 digits Feb 2012 Ron Shurtz; PSieve; srsieve; PrimeGrid; LLR
n = 1059216 318860 digits Apr 2013 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 2040161 614154 digits Jan 2025 Jonathan Seeley; PPSE; PrimeGrid
k: 6515
max n: 2.371.682
n = 3 5 digits
n = 13 8 digits
n = 15 9 digits
n = 21 11 digits
n = 39 16 digits
n = 43 17 digits
n = 79 28 digits
n = 121 41 digits
n = 679 209 digits
n = 2143 649 digits
n = 2719 823 digits
n = 3403 1029 digits 1993 Jeffrey Young
n = 6903 2082 digits
n = 16825 5069 digits
n = 26805 8073 digits
n = 27541 8295 digits
n = 59359 17873 digits
n = 163153 49118 digits
n = 213549 64289 digits
n = 458011 137879 digits Jun 2009 Piotr Skorski; srsieve; PrimeGrid; LLR
n = 559099 168310 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 621435 187075 digits Feb 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 1985403 597670 digits Aug 2024 Gregory Coscia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6517
max n: 2.372.985
n = 6 6 digits
n = 10 7 digits
n = 12 8 digits
n = 18 10 digits
n = 24 12 digits
n = 30 13 digits
n = 34 15 digits
n = 60 22 digits
n = 70 25 digits
n = 106 36 digits
n = 108 37 digits
n = 154 51 digits
n = 214 69 digits
n = 224 72 digits
n = 342 107 digits
n = 612 189 digits
n = 1160 354 digits
n = 1326 403 digits
n = 2216 671 digits
n = 2324 704 digits
n = 2734 827 digits
n = 4100 1239 digits 1993 Jeffrey Young
n = 5006 1511 digits
n = 11810 3559 digits
n = 12924 3895 digits
n = 15032 4529 digits Nov 1997 Henri Lifchitz; Proth
n = 15098 4549 digits
n = 15658 4718 digits
n = 18624 5611 digits
n = 20930 6305 digits
n = 29310 8828 digits
n = 44242 13322 digits
n = 50582 15231 digits
n = 52722 15875 digits
n = 60108 18099 digits
n = 88088 26521 digits
n = 150816 45404 digits
n = 159720 48085 digits
n = 205772 61948 digits
n = 270190 81340 digits
n = 280992 84591 digits
n = 305490 91966 digits
n = 379160 114143 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 427982 128840 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 464424 139810 digits Aug 2009 Dmitry Domanov; srsieve; PrimeGrid; LLR
n = 645590 194346 digits Feb 2011 Nick Schradick; PSieve; srsieve; PrimeGrid; LLR
n = 710066 213755 digits Nov 2011 Michael Dupras; PSieve; srsieve; PrimeGrid; LLR
n = 714858 215198 digits Nov 2011 Jörg Meili; PSieve; srsieve; PrimeGrid; LLR
n = 971214 292369 digits Aug 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1223520 368321 digits Dec 2013 Jay Parangalan; PSieve; srsieve; PrimeGrid; LLR
n = 1686272 507623 digits Apr 2022 Honza Cholt; PPSE; PrimeGrid
k: 6519
max n: 2.372.805
n = 3 5 digits
n = 5 6 digits
n = 6 6 digits
n = 7 6 digits
n = 11 8 digits
n = 14 9 digits
n = 21 11 digits
n = 27 12 digits
n = 29 13 digits
n = 42 17 digits
n = 43 17 digits
n = 63 23 digits
n = 93 32 digits
n = 99 34 digits
n = 107 37 digits
n = 173 56 digits
n = 179 58 digits
n = 243 77 digits
n = 450 140 digits
n = 995 304 digits
n = 1015 310 digits
n = 1051 321 digits
n = 3047 922 digits
n = 3286 993 digits
n = 3783 1143 digits 1993 Jeffrey Young
n = 3927 1186 digits
n = 4187 1265 digits 1993 Jeffrey Young
n = 5302 1600 digits
n = 6069 1831 digits
n = 7565 2282 digits
n = 7727 2330 digits May 1996 Patrick Demichel
n = 9525 2872 digits
n = 9806 2956 digits
n = 16187 4877 digits
n = 16554 4988 digits
n = 18079 5447 digits
n = 23043 6941 digits
n = 54983 16556 digits
n = 62479 18812 digits
n = 80926 24365 digits
n = 94821 28548 digits
n = 201803 60753 digits
n = 310034 93334 digits
n = 346699 104371 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 404223 121688 digits Aug 2012 Frank Matillek; PPSE; PrimeGrid
n = 437511 131708 digits Dec 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 641835 193216 digits Feb 2011 Sohei Tanaka; PSieve; srsieve; PrimeGrid; LLR
n = 811767 244371 digits Mar 2012 David Steel; PSieve; srsieve; PrimeGrid; LLR
n = 963269 289977 digits Aug 2012 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1257299 378489 digits Apr 2014 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1673543 503791 digits Feb 2022 Roman Krompolc; PSieve; srsieve; PrimeGrid; LLR
k: 6521
max n: 2.373.366
n = 1 5 digits
n = 5 6 digits
n = 11 8 digits
n = 13 8 digits
n = 21 11 digits
n = 41 17 digits
n = 55 21 digits
n = 125 42 digits
n = 177 58 digits
n = 465 144 digits
n = 487 151 digits
n = 841 257 digits
n = 2587 783 digits
n = 3307 1000 digits 1993 Jeffrey Young
n = 4483 1354 digits 1993 Jeffrey Young
n = 8637 2604 digits
n = 8671 2615 digits
n = 12801 3858 digits
n = 15025 4527 digits Nov 1997 Henri Lifchitz; Proth
n = 29087 8760 digits
n = 30091 9063 digits
n = 43643 13142 digits
n = 78527 23643 digits
n = 105211 31676 digits
n = 171415 51605 digits
n = 351415 105791 digits May 2012 Stefan Larsson; PPSE; PrimeGrid
n = 494353 148819 digits Mar 2010 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 508691 153136 digits May 2010 Bruno Usai; PSieve; srsieve; PrimeGrid; LLR
n = 657463 197920 digits Mar 2011 Kasper Appeldorff; PSieve; srsieve; PrimeGrid; LLR
n = 2002717 602882 digits Oct 2024 Jeppe Stig Nielsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6523
max n: 2.372.379
n = 4 6 digits
n = 10 7 digits
n = 14 9 digits
n = 34 15 digits
n = 46 18 digits
n = 52 20 digits
n = 62 23 digits
n = 82 29 digits
n = 112 38 digits
n = 124 42 digits
n = 218 70 digits
n = 230 74 digits
n = 262 83 digits
n = 376 118 digits
n = 2534 767 digits
n = 3916 1183 digits 1993 Jeffrey Young
n = 4394 1327 digits 1993 Jeffrey Young
n = 5890 1777 digits
n = 7000 2112 digits Mar 1996 Patrick Demichel
n = 42184 12703 digits
n = 54946 16545 digits
n = 233750 70370 digits
n = 318614 95917 digits
n = 654040 196890 digits Mar 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 2044552 615476 digits Jan 2025 Vanos Hsu; PPSE; PrimeGrid
k: 6525
max n: 2.373.022
n = 3 5 digits
n = 15 9 digits
n = 18 10 digits
n = 23 11 digits
n = 27 12 digits
n = 28 13 digits
n = 47 18 digits
n = 57 21 digits
n = 68 25 digits
n = 88 31 digits
n = 107 37 digits
n = 123 41 digits
n = 129 43 digits
n = 140 46 digits
n = 149 49 digits
n = 153 50 digits
n = 155 51 digits
n = 278 88 digits
n = 303 96 digits
n = 328 103 digits
n = 337 106 digits
n = 340 107 digits
n = 530 164 digits
n = 560 173 digits
n = 679 209 digits
n = 1277 389 digits
n = 1337 407 digits
n = 1345 409 digits
n = 1507 458 digits
n = 1969 597 digits
n = 2185 662 digits
n = 3002 908 digits
n = 3230 977 digits
n = 3855 1165 digits 1993 Jeffrey Young
n = 4240 1281 digits 1993 Jeffrey Young
n = 6388 1927 digits
n = 7907 2385 digits
n = 7959 2400 digits
n = 8649 2608 digits
n = 8662 2612 digits
n = 8803 2654 digits
n = 9569 2885 digits
n = 11792 3554 digits
n = 12019 3622 digits
n = 19198 5783 digits
n = 20617 6211 digits
n = 22177 6680 digits
n = 28510 8587 digits
n = 30137 9076 digits
n = 43120 12985 digits
n = 47257 14230 digits
n = 52485 15804 digits
n = 58640 17657 digits
n = 71709 21591 digits
n = 86439 26025 digits
n = 97280 29289 digits
n = 105592 31791 digits
n = 110805 33360 digits
n = 116075 34946 digits
n = 142542 42914 digits
n = 147602 44437 digits
n = 148837 44809 digits
n = 193415 58228 digits
n = 208402 62740 digits
n = 231062 69561 digits
n = 267478 80523 digits
n = 269987 81279 digits
n = 419812 126380 digits Oct 2012 PPSE; PrimeGrid
n = 429135 129187 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 459227 138245 digits Jun 2009 Ward De Ridder; srsieve; PrimeGrid; LLR
n = 615520 185294 digits Jan 2011 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 631367 190065 digits Feb 2011 Ross Goudie; PSieve; srsieve; PrimeGrid; LLR
n = 703279 211712 digits Sep 2011 Artyom Artyomov; PSieve; srsieve; PrimeGrid; LLR
n = 708498 213283 digits Sep 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 859648 258784 digits May 2012 John ODonnell; PSieve; srsieve; PrimeGrid; LLR
n = 1264263 380585 digits Apr 2014 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1716707 516785 digits Oct 2022 Ryan Propper; PPSE; PrimeGrid
n = 2054570 618492 digits Jan 2025 Pablo Moreno; PPSE; PrimeGrid
n = 2243133 675255 digits Feb 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6527
max n: 2.373.038
n = 15 9 digits
n = 299 94 digits
n = 351 110 digits
n = 455 141 digits
n = 209651 63116 digits
n = 482471 145243 digits Dec 2009 James A. Poisson Jr.; PSieve; srsieve; PrimeGrid; LLR
n = 542735 163384 digits Aug 2010 David Karseboom; PSieve; srsieve; PrimeGrid; LLR
n = 3363135 1012409 digits May 2021 Robert Gelhar; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6529
max n: 2.373.354
n = 10 7 digits
n = 18618 5609 digits
n = 107614 32399 digits
n = 346570 104332 digits Apr 2012 Michael Becker; PPSE; PrimeGrid
n = 1402758 422277 digits Apr 2016 Xiaoyin Liu; PSieve; srsieve; PrimeGrid; LLR
k: 6531
max n: 2.372.939
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 13 8 digits
n = 24 12 digits
n = 31 14 digits
n = 39 16 digits
n = 43 17 digits
n = 107 37 digits
n = 144 48 digits
n = 159 52 digits
n = 203 65 digits
n = 227 73 digits
n = 301 95 digits
n = 320 101 digits
n = 401 125 digits
n = 599 185 digits
n = 619 191 digits
n = 640 197 digits
n = 856 262 digits
n = 964 295 digits
n = 1261 384 digits
n = 1300 396 digits
n = 1956 593 digits
n = 2319 702 digits
n = 2484 752 digits
n = 4148 1253 digits 1993 Jeffrey Young
n = 4175 1261 digits 1993 Jeffrey Young
n = 4309 1301 digits 1993 Jeffrey Young
n = 4541 1371 digits 1993 Jeffrey Young
n = 10971 3307 digits
n = 13033 3928 digits
n = 24901 7500 digits
n = 34205 10301 digits
n = 41907 12620 digits
n = 71415 21502 digits
n = 85068 25612 digits
n = 103416 31136 digits
n = 290203 87364 digits
n = 483576 145575 digits Jan 2010 Jari Pyyluoma; PSieve; srsieve; PrimeGrid; LLR
n = 530760 159779 digits Jul 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 555344 167180 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 586563 176577 digits Dec 2010 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 597876 179983 digits Dec 2010 Anand S Nair; PSieve; srsieve; PrimeGrid; LLR
n = 917760 276278 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1115919 335929 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1604480 483001 digits Sep 2020 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 1873471 563975 digits Feb 2024 Paul Randal; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1944724 585425 digits Apr 2024 Pavel Adamec; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1990237 599125 digits Aug 2024 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2021999 608687 digits Dec 2024 Dr. James Scott Brown; PPSE; PrimeGrid
k: 6533
max n: 2.373.144
n = 9 7 digits
n = 25 12 digits
n = 33 14 digits
n = 81 29 digits
n = 85 30 digits
n = 121 41 digits
n = 125 42 digits
n = 345 108 digits
n = 601 185 digits
n = 705 217 digits
n = 893 273 digits
n = 2653 803 digits
n = 3405 1029 digits 1993 Jeffrey Young
n = 4169 1259 digits 1993 Jeffrey Young
n = 6361 1919 digits
n = 8513 2567 digits
n = 9521 2870 digits
n = 11281 3400 digits
n = 24253 7305 digits
n = 33421 10065 digits
n = 37641 11335 digits
n = 76341 22985 digits
n = 80129 24126 digits
n = 101949 30694 digits
n = 105425 31740 digits
n = 147509 44409 digits
n = 197553 59474 digits
n = 260301 78363 digits
n = 350273 105447 digits Apr 2012 Michał Gasewicz; PPSE; PrimeGrid
n = 805665 242534 digits Mar 2012 Chris Eliff; PSieve; srsieve; PrimeGrid; LLR
n = 846589 254853 digits Apr 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1354561 407768 digits Sep 2015 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 6535
max n: 2.372.855
n = 2 5 digits
n = 4 6 digits
n = 8 7 digits
n = 44 18 digits
n = 48 19 digits
n = 52 20 digits
n = 76 27 digits
n = 88 31 digits
n = 116 39 digits
n = 174 57 digits
n = 218 70 digits
n = 296 93 digits
n = 510 158 digits
n = 650 200 digits
n = 836 256 digits
n = 2636 798 digits
n = 7802 2353 digits
n = 7922 2389 digits
n = 10778 3249 digits
n = 13240 3990 digits
n = 14032 4228 digits
n = 16230 4890 digits
n = 58280 17548 digits
n = 74948 22566 digits
n = 149376 44971 digits
n = 302394 91034 digits
n = 343298 103347 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 1168060 351625 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1245590 374964 digits Feb 2014 Hirofumi Tamagawa; PSieve; srsieve; PrimeGrid; LLR
n = 1945992 585806 digits Apr 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2317790 697729 digits Oct 2025 Greg Miller; PPSE; PrimeGrid
k: 6537
max n: 2.373.021
n = 4 6 digits
n = 26 12 digits
n = 202 65 digits
n = 340 107 digits
n = 350 110 digits
n = 506 157 digits
n = 970 296 digits
n = 3211 971 digits
n = 4822 1456 digits 1993 Jeffrey Young
n = 5002 1510 digits
n = 6496 1960 digits
n = 7072 2133 digits Mar 1996 Patrick Demichel
n = 17966 5413 digits
n = 22636 6818 digits
n = 24146 7273 digits
n = 32210 9700 digits
n = 44032 13259 digits
n = 46990 14150 digits
n = 78790 23722 digits
n = 351284 105751 digits May 2012 James Boerner; PPSE; PrimeGrid
n = 427351 128650 digits Nov 2012 Honza Cholt; PPSE; PrimeGrid
n = 462250 139155 digits Jul 2009 Dale Laluk; srsieve; PrimeGrid; LLR
n = 1124320 338458 digits Aug 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1293982 389532 digits Sep 2014 Baek Soonchul; PSieve; srsieve; PrimeGrid; LLR
k: 6539
max n: 2.373.267
n = 3 5 digits
n = 5 6 digits
n = 13 8 digits
n = 25 12 digits
n = 83 29 digits
n = 93 32 digits
n = 115 39 digits
n = 155 51 digits
n = 867 265 digits
n = 1083 330 digits
n = 2357 714 digits
n = 4875 1472 digits 1993 Jeffrey Young
n = 7503 2263 digits
n = 7513 2266 digits
n = 7943 2395 digits
n = 28097 8462 digits
n = 30405 9157 digits
n = 38713 11658 digits
n = 51865 15617 digits
n = 96603 29085 digits
n = 149953 45145 digits
n = 184603 55575 digits
n = 362793 109216 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 603523 181683 digits Jan 2011 Kevin Thomson; PSieve; srsieve; PrimeGrid; LLR
n = 674567 203069 digits Jul 2011 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 2295393 690986 digits Jul 2025 PPSE; PrimeGrid
k: 6541
max n: 2.372.831
n = 20 10 digits
n = 44 18 digits
n = 60 22 digits
n = 84 30 digits
n = 224 72 digits
n = 552 170 digits
n = 5372 1621 digits
n = 6836 2062 digits Mar 1996 Patrick Demichel
n = 7992 2410 digits
n = 12716 3832 digits
n = 25616 7716 digits
n = 70304 21168 digits
n = 101400 30529 digits
n = 155324 46761 digits
n = 242456 72991 digits
n = 714464 215079 digits Nov 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 893844 269078 digits Jun 2012 Torben Kock; PSieve; srsieve; PrimeGrid; LLR
n = 1614180 485921 digits Jan 2021 Richard Mortimore; PSieve; srsieve; PrimeGrid; LLR
k: 6543
max n: 2.372.721
n = 10 7 digits
n = 25 12 digits
n = 30 13 digits
n = 114 39 digits
n = 138 46 digits
n = 168 55 digits
n = 202 65 digits
n = 216 69 digits
n = 226 72 digits
n = 228 73 digits
n = 310 98 digits
n = 774 237 digits
n = 2038 618 digits
n = 4078 1232 digits 1993 Jeffrey Young
n = 4618 1394 digits 1993 Jeffrey Young
n = 5922 1787 digits
n = 6768 2042 digits Mar 1996 Patrick Demichel
n = 7872 2374 digits
n = 8701 2624 digits
n = 16917 5097 digits
n = 17532 5282 digits
n = 19330 5823 digits
n = 20232 6095 digits
n = 22758 6855 digits
n = 24588 7406 digits
n = 27382 8247 digits
n = 27654 8329 digits
n = 32362 9746 digits
n = 34434 10370 digits
n = 35734 10761 digits
n = 40914 12321 digits
n = 83626 25178 digits
n = 188542 56761 digits
n = 234573 70618 digits
n = 399922 120393 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 442546 133224 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 552061 166191 digits Sep 2010 Mike Nicodemus; PSieve; srsieve; PrimeGrid; LLR
n = 929520 279818 digits Jul 2012 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
k: 6545
max n: 2.372.804
n = 3 5 digits
n = 5 6 digits
n = 15 9 digits
n = 21 11 digits
n = 33 14 digits
n = 35 15 digits
n = 45 18 digits
n = 79 28 digits
n = 111 38 digits
n = 113 38 digits
n = 125 42 digits
n = 155 51 digits
n = 161 53 digits
n = 173 56 digits
n = 279 88 digits
n = 305 96 digits
n = 369 115 digits
n = 475 147 digits
n = 693 213 digits
n = 701 215 digits
n = 1043 318 digits
n = 1767 536 digits
n = 1779 540 digits
n = 2001 607 digits
n = 2309 699 digits
n = 2451 742 digits
n = 2501 757 digits
n = 3851 1164 digits 1993 Jeffrey Young
n = 3863 1167 digits 1993 Jeffrey Young
n = 4533 1369 digits 1993 Jeffrey Young
n = 6691 2019 digits Mar 1996 Patrick Demichel
n = 11331 3415 digits
n = 13253 3994 digits
n = 14535 4380 digits
n = 15835 4771 digits
n = 17359 5230 digits
n = 18335 5524 digits
n = 22497 6777 digits
n = 26337 7933 digits
n = 30019 9041 digits
n = 36819 11088 digits
n = 53513 16113 digits
n = 74529 22440 digits
n = 102143 30752 digits
n = 103671 31212 digits
n = 106863 32173 digits
n = 110607 33300 digits
n = 132407 39863 digits
n = 138389 41664 digits
n = 143249 43127 digits
n = 159083 47893 digits
n = 175077 52708 digits
n = 199929 60189 digits
n = 207323 62415 digits
n = 289847 87257 digits
n = 350505 105517 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 363351 109384 digits May 2012 PPSE; PrimeGrid
n = 509623 153416 digits May 2010 Pascal Vandaele; PSieve; srsieve; PrimeGrid; LLR
n = 859287 258675 digits May 2012 Anton Telegd; PSieve; srsieve; PrimeGrid; LLR
n = 1057713 318408 digits Apr 2013 Frøydis Sveen; PSieve; srsieve; PrimeGrid; LLR
n = 1061091 319425 digits Apr 2013 Yuki Yoshigoe; PSieve; srsieve; PrimeGrid; LLR
n = 1106933 333224 digits Jul 2013 Neil Romig; PSieve; srsieve; PrimeGrid; LLR
n = 1117947 336540 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1756377 528726 digits Jul 2023 Randall Scalise; PPSE; PrimeGrid
n = 2129345 641001 digits Jan 2025 David Åkesson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6547
max n: 2.372.759
n = 2 5 digits
n = 12 8 digits
n = 20 10 digits
n = 32 14 digits
n = 36 15 digits
n = 90 31 digits
n = 106 36 digits
n = 142 47 digits
n = 146 48 digits
n = 160 52 digits
n = 260 83 digits
n = 2316 702 digits
n = 5118 1545 digits
n = 6060 1829 digits
n = 6952 2097 digits Mar 1996 Patrick Demichel
n = 8182 2467 digits May 1996 Patrick Demichel
n = 11438 3447 digits
n = 12946 3901 digits
n = 12950 3903 digits
n = 19550 5889 digits
n = 21222 6393 digits
n = 25630 7720 digits
n = 25988 7827 digits
n = 26416 7956 digits
n = 58610 17648 digits
n = 65702 19783 digits
n = 66380 19987 digits
n = 91048 27412 digits
n = 105086 31638 digits
n = 152570 45932 digits
n = 187918 56573 digits
n = 212168 63873 digits
n = 271648 81779 digits
n = 293298 88296 digits
n = 419310 126229 digits Oct 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 522062 157161 digits Jul 2010 Anthony Richardson; PSieve; srsieve; PrimeGrid; LLR
n = 522718 157358 digits Jul 2010 Larry Hays; PSieve; srsieve; PrimeGrid; LLR
n = 652050 196291 digits Mar 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1715420 516397 digits Oct 2022 Jaroslav Sekanina; PPSE; PrimeGrid
n = 1794248 540127 digits Jan 2024 Brian Parsonnet; PPSE; PrimeGrid
n = 2368082 712868 digits May 2026 Brian Parsonnet; PPSE; PrimeGrid
k: 6549
max n: 2.372.860
n = 1 5 digits
n = 5 6 digits
n = 9 7 digits
n = 15 9 digits
n = 31 14 digits
n = 38 16 digits
n = 49 19 digits
n = 59 22 digits
n = 61 23 digits
n = 110 37 digits
n = 129 43 digits
n = 142 47 digits
n = 639 197 digits
n = 731 224 digits
n = 759 233 digits
n = 766 235 digits
n = 815 250 digits
n = 945 289 digits
n = 1747 530 digits
n = 1838 558 digits
n = 2141 649 digits
n = 8366 2523 digits
n = 8449 2548 digits
n = 9934 2995 digits
n = 10435 3146 digits
n = 11015 3320 digits
n = 11445 3450 digits
n = 11495 3465 digits
n = 12557 3784 digits
n = 16587 4998 digits
n = 29311 8828 digits
n = 39911 12019 digits
n = 71921 21655 digits
n = 193177 58156 digits
n = 246975 74351 digits
n = 247127 74397 digits
n = 304469 91659 digits
n = 345415 103985 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 429917 129422 digits Dec 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 483179 145456 digits Dec 2009 Andrew Graham; PSieve; srsieve; PrimeGrid; LLR
n = 568989 171287 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 721065 217067 digits Nov 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 779345 234611 digits Feb 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 942811 283819 digits Jul 2012 Fabrice Le Foulher; PSieve; srsieve; PrimeGrid; LLR
n = 1072439 322841 digits Apr 2013 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
n = 1393979 419634 digits Feb 2016 Johnathan Chu; PSieve; srsieve; PrimeGrid; LLR
k: 6551
max n: 2.372.788
n = 1 5 digits
n = 13 8 digits
n = 41 17 digits
n = 113 38 digits
n = 127 43 digits
n = 157 52 digits
n = 277 88 digits
n = 601 185 digits
n = 2155 653 digits
n = 8833 2663 digits
n = 24221 7296 digits
n = 40541 12208 digits
n = 69035 20786 digits
n = 71129 21416 digits
n = 91519 27554 digits
n = 128377 38650 digits
n = 1067687 321410 digits Apr 2013 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1559233 469380 digits Feb 2020 Andrei Piaive; PSieve; srsieve; PrimeGrid; LLR
k: 6553
max n: 2.373.287
n = 4 6 digits
n = 8 7 digits
n = 34 15 digits
n = 40 16 digits
n = 44 18 digits
n = 94 33 digits
n = 190 62 digits
n = 650 200 digits
n = 838 257 digits
n = 1920 582 digits
n = 3888 1175 digits 1993 Jeffrey Young
n = 4250 1284 digits 1993 Jeffrey Young
n = 13780 4153 digits
n = 13834 4169 digits
n = 33480 10083 digits
n = 40594 12224 digits
n = 54250 16335 digits
n = 87706 26406 digits
n = 96958 29192 digits
n = 122448 36865 digits
n = 132950 40026 digits
n = 206858 62275 digits
n = 264790 79714 digits
n = 550606 165753 digits Sep 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 556378 167491 digits Oct 2010 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 980288 295100 digits Aug 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1207094 363376 digits Dec 2013 Benno Pütz; PSieve; srsieve; PrimeGrid; LLR
n = 1857730 559237 digits Feb 2024 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6555
max n: 2.372.803
n = 9 7 digits
n = 11 8 digits
n = 21 11 digits
n = 23 11 digits
n = 56 21 digits
n = 65 24 digits
n = 72 26 digits
n = 78 28 digits
n = 87 31 digits
n = 101 35 digits
n = 117 40 digits
n = 162 53 digits
n = 221 71 digits
n = 249 79 digits
n = 308 97 digits
n = 309 97 digits
n = 335 105 digits
n = 405 126 digits
n = 516 160 digits
n = 582 180 digits
n = 632 195 digits
n = 725 223 digits
n = 852 261 digits
n = 1145 349 digits
n = 1209 368 digits
n = 1398 425 digits
n = 1439 437 digits
n = 1482 450 digits
n = 1767 536 digits
n = 2076 629 digits
n = 2322 703 digits
n = 3401 1028 digits 1993 Jeffrey Young
n = 4019 1214 digits 1993 Jeffrey Young
n = 5187 1566 digits
n = 5684 1715 digits
n = 5984 1806 digits
n = 6125 1848 digits
n = 12767 3848 digits
n = 15387 4636 digits
n = 16667 5022 digits
n = 18363 5532 digits
n = 18744 5647 digits
n = 19911 5998 digits
n = 22364 6737 digits 1996 Patrick Demichel
n = 27497 8282 digits
n = 49989 15053 digits
n = 57767 17394 digits
n = 74601 22461 digits
n = 86741 26116 digits
n = 98621 29692 digits
n = 105474 31755 digits
n = 106328 32012 digits
n = 181925 54769 digits
n = 184638 55586 digits
n = 189654 57096 digits
n = 265169 79828 digits
n = 438015 131860 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 572639 172386 digits Nov 2010 Tsukasa Sasaki; PSieve; srsieve; PrimeGrid; LLR
n = 1475886 444290 digits Feb 2018 Ken Ito; PSieve; srsieve; PrimeGrid; LLR
n = 1493525 449600 digits Jun 2018 Ivar Tiller; PSieve; srsieve; PrimeGrid; LLR
n = 2203703 663385 digits Feb 2025 George Burtner; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6557
max n: 2.373.342
n = 3 5 digits
n = 31 14 digits
n = 63 23 digits
n = 151 50 digits
n = 223 71 digits
n = 559 173 digits
n = 2107 639 digits
n = 2523 764 digits
n = 3871 1170 digits 1993 Jeffrey Young
n = 3987 1205 digits 1993 Jeffrey Young
n = 10551 3180 digits
n = 38611 11627 digits
n = 102991 31008 digits
n = 161011 48473 digits
n = 502507 151274 digits Jun 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 1598959 481339 digits Sep 2020 Roman Strajt; PSieve; srsieve; PrimeGrid; LLR
n = 3433003 1033441 digits Sep 2022 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6559
max n: 2.373.337
n = 2 5 digits
n = 6 6 digits
n = 10 7 digits
n = 14 9 digits
n = 26 12 digits
n = 90 31 digits
n = 158 52 digits
n = 166 54 digits
n = 198 64 digits
n = 270 86 digits
n = 338 106 digits
n = 374 117 digits
n = 566 175 digits
n = 806 247 digits
n = 1018 311 digits
n = 1102 336 digits
n = 1118 341 digits
n = 3834 1158 digits 1993 Jeffrey Young
n = 6066 1830 digits
n = 16222 4888 digits
n = 22934 6908 digits
n = 28770 8665 digits
n = 48638 14646 digits
n = 58678 17668 digits
n = 161086 48496 digits
n = 183326 55191 digits
n = 215498 64876 digits
n = 331454 99782 digits
n = 810178 243892 digits Mar 2012 Andrà Deutschmann; PSieve; srsieve; PrimeGrid; LLR
n = 1078466 324655 digits Apr 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1673934 503909 digits Feb 2022 David Åkesson; PSieve; srsieve; PrimeGrid; LLR
k: 6561
max n: 2.372.712
n = 3 5 digits
n = 5 6 digits
n = 7 6 digits
n = 19 10 digits
n = 20 10 digits
n = 27 12 digits
n = 28 13 digits
n = 33 14 digits
n = 43 17 digits
n = 44 18 digits
n = 53 20 digits
n = 55 21 digits
n = 63 23 digits
n = 65 24 digits
n = 69 25 digits
n = 177 58 digits
n = 179 58 digits
n = 220 71 digits
n = 459 142 digits
n = 764 234 digits
n = 860 263 digits
n = 1116 340 digits
n = 1587 482 digits
n = 1859 564 digits
n = 2327 705 digits
n = 2655 804 digits
n = 4444 1342 digits 1993 Jeffrey Young
n = 4677 1412 digits 1993 Jeffrey Young
n = 6029 1819 digits
n = 6423 1938 digits
n = 8845 2667 digits
n = 10492 3163 digits
n = 10663 3214 digits
n = 12173 3669 digits
n = 12369 3728 digits
n = 14385 4335 digits
n = 14692 4427 digits
n = 15247 4594 digits
n = 17665 5322 digits
n = 20429 6154 digits Jul 1997 Henri Lifchitz; Proth
n = 21439 6458 digits Jul 1997 Henri Lifchitz; Proth
n = 29495 8883 digits Jul 1997 Henri Lifchitz; Proth
n = 35317 10636 digits Jul 1997 Henri Lifchitz; Proth
n = 47273 14235 digits Jul 1997 Henri Lifchitz; Proth
n = 120827 36377 digits
n = 133147 40086 digits
n = 144465 43493 digits
n = 199157 59957 digits
n = 233284 70230 digits
n = 245684 73963 digits
n = 287252 86476 digits
n = 610844 183887 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 916325 275846 digits Jun 2012 Robert Hoffman; PSieve; srsieve; PrimeGrid; LLR
n = 919460 276789 digits Jun 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1143548 344247 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1527669 459879 digits Feb 2019 Dao Heng Liu; PSieve; srsieve; PrimeGrid; LLR
n = 1961017 590329 digits May 2024 Chad Steenerson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6563
max n: 2.372.632
n = 1 5 digits
n = 9 7 digits
n = 81 29 digits
n = 117 40 digits
n = 137 46 digits
n = 189 61 digits
n = 481 149 digits
n = 541 167 digits
n = 1153 351 digits
n = 4509 1362 digits 1993 Jeffrey Young
n = 7105 2143 digits
n = 7609 2295 digits
n = 13641 4111 digits
n = 26633 8022 digits
n = 26741 8054 digits
n = 34857 10497 digits
n = 49221 14821 digits
n = 54049 16275 digits
n = 84353 25397 digits
n = 672013 202300 digits Jun 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 701689 211234 digits Sep 2011 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 765041 230305 digits Feb 2012 Mike Parker; PSieve; srsieve; PrimeGrid; LLR
n = 871517 262357 digits May 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1572945 473508 digits Feb 2020 Bill Cavnaugh; PSieve; srsieve; PrimeGrid; LLR
n = 2198981 661964 digits Feb 2025 Hugh Myers; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2286117 688194 digits
k: 6565
max n: 2.373.067
n = 2 5 digits
n = 22 11 digits
n = 32 14 digits
n = 40 16 digits
n = 52 20 digits
n = 62 23 digits
n = 68 25 digits
n = 146 48 digits
n = 404 126 digits
n = 574 177 digits
n = 602 186 digits
n = 980 299 digits
n = 1064 325 digits
n = 1568 476 digits
n = 1832 556 digits
n = 2428 735 digits
n = 2524 764 digits
n = 3152 953 digits
n = 7544 2275 digits
n = 9880 2978 digits
n = 31304 9428 digits
n = 181192 54549 digits
n = 184642 55587 digits
n = 193876 58367 digits
n = 199768 60140 digits
n = 481016 144805 digits Nov 2009 Jan Svensson; PSieve; srsieve; PrimeGrid; LLR
n = 2343494 705466 digits Feb 2026 Kari Hyvönen; PPSE; PrimeGrid
k: 6567
max n: 2.372.637
n = 10 7 digits
n = 14 9 digits
n = 16 9 digits
n = 18 10 digits
n = 23 11 digits
n = 43 17 digits
n = 51 20 digits
n = 56 21 digits
n = 67 24 digits
n = 70 25 digits
n = 78 28 digits
n = 82 29 digits
n = 88 31 digits
n = 90 31 digits
n = 116 39 digits
n = 124 42 digits
n = 154 51 digits
n = 175 57 digits
n = 195 63 digits
n = 430 134 digits
n = 479 149 digits
n = 547 169 digits
n = 550 170 digits
n = 562 173 digits
n = 615 189 digits
n = 767 235 digits
n = 776 238 digits
n = 954 291 digits
n = 1006 307 digits
n = 1486 452 digits
n = 1626 494 digits
n = 1742 529 digits
n = 1772 538 digits
n = 1998 606 digits
n = 2092 634 digits
n = 2727 825 digits
n = 3370 1019 digits 1993 Jeffrey Young
n = 4023 1215 digits 1993 Jeffrey Young
n = 4371 1320 digits 1993 Jeffrey Young
n = 4864 1469 digits 1993 Jeffrey Young
n = 5443 1643 digits
n = 5998 1810 digits
n = 6094 1839 digits
n = 6783 2046 digits
n = 7654 2308 digits
n = 13046 3932 digits
n = 17999 5423 digits
n = 20243 6098 digits
n = 20922 6302 digits
n = 25150 7575 digits
n = 27086 8158 digits
n = 28460 8572 digits
n = 44344 13353 digits
n = 48836 14705 digits
n = 63886 19236 digits
n = 105787 31849 digits
n = 105956 31900 digits
n = 107470 32356 digits
n = 111423 33546 digits
n = 113346 34125 digits
n = 122558 36898 digits
n = 151987 45757 digits
n = 173060 52101 digits
n = 234323 70543 digits
n = 254470 76607 digits
n = 259728 78190 digits
n = 314507 94680 digits
n = 399534 120276 digits Jul 2012 Bill Sugino; PPSE; PrimeGrid
n = 405235 121992 digits Aug 2012 PPSE; PrimeGrid
n = 477064 143615 digits Nov 2009 Andreas Kobara; srsieve; PrimeGrid; LLR
n = 493728 148631 digits Mar 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 699278 210508 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 794955 239310 digits Mar 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 809124 243575 digits Mar 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 848624 255466 digits Apr 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1086947 327208 digits Apr 2013 Masashi Kumagai; PSieve; srsieve; PrimeGrid; LLR
n = 1331056 400692 digits May 2015 John S Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1495068 450065 digits Jun 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1496003 450346 digits Jul 2018 David Yost; PSieve; srsieve; PrimeGrid; LLR
k: 6569
max n: 2.373.383
n = 3 5 digits
n = 5 6 digits
n = 11 8 digits
n = 51 20 digits
n = 59 22 digits
n = 167 55 digits
n = 269 85 digits
n = 285 90 digits
n = 359 112 digits
n = 443 138 digits
n = 849 260 digits
n = 899 275 digits
n = 5493 1658 digits
n = 17765 5352 digits
n = 20733 6246 digits
n = 31049 9351 digits
n = 95817 28848 digits
n = 147477 44399 digits
n = 173717 52298 digits
n = 185771 55927 digits
n = 229703 69152 digits
n = 268379 80794 digits
n = 374579 112764 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 476013 143299 digits Oct 2009 Rune Fredriksen; srsieve; PrimeGrid; LLR
n = 481043 144813 digits Nov 2009 Uygar Suen; PSieve; srsieve; PrimeGrid; LLR
n = 492801 148352 digits Mar 2010 Robert Scullin; PSieve; srsieve; PrimeGrid; LLR
n = 704499 212080 digits Sep 2011 Duncan Campbell; PSieve; srsieve; PrimeGrid; LLR
k: 6571
max n: 2.373.395
n = 4 6 digits
n = 16 9 digits
n = 28 13 digits
n = 36 15 digits
n = 48 19 digits
n = 136 45 digits
n = 18888 5690 digits
n = 41152 12392 digits
n = 288136 86742 digits
n = 853192 256841 digits May 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
k: 6573
max n: 2.372.637
n = 1 5 digits
n = 2 5 digits
n = 9 7 digits
n = 12 8 digits
n = 22 11 digits
n = 28 13 digits
n = 45 18 digits
n = 52 20 digits
n = 74 27 digits
n = 81 29 digits
n = 121 41 digits
n = 137 46 digits
n = 157 52 digits
n = 170 55 digits
n = 188 61 digits
n = 217 70 digits
n = 278 88 digits
n = 322 101 digits
n = 388 121 digits
n = 497 154 digits
n = 729 224 digits
n = 1045 319 digits
n = 1269 386 digits
n = 2008 609 digits
n = 2269 687 digits
n = 2784 842 digits
n = 2820 853 digits
n = 2993 905 digits
n = 3720 1124 digits 1993 Jeffrey Young
n = 3892 1176 digits 1993 Jeffrey Young
n = 4061 1227 digits 1993 Jeffrey Young
n = 6481 1955 digits
n = 6818 2057 digits Mar 1996 Patrick Demichel
n = 7070 2133 digits Mar 1996 Patrick Demichel
n = 11690 3523 digits
n = 17174 5174 digits
n = 21382 6441 digits
n = 24548 7394 digits
n = 26762 8060 digits
n = 33081 9963 digits
n = 34317 10335 digits
n = 39592 11923 digits
n = 61144 18410 digits
n = 62317 18764 digits
n = 69665 20976 digits
n = 78653 23681 digits
n = 80032 24096 digits
n = 92865 27959 digits
n = 104844 31566 digits
n = 110514 33272 digits
n = 114741 34545 digits
n = 123481 37176 digits
n = 173621 52269 digits
n = 179318 53984 digits
n = 243534 73315 digits
n = 291782 87839 digits
n = 481024 144807 digits Nov 2009 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 539829 162509 digits Aug 2010 Yevgeniy Gorbachev; PSieve; srsieve; PrimeGrid; LLR
n = 795074 239345 digits Mar 2012 Konstantin Manz; PSieve; srsieve; PrimeGrid; LLR
n = 1141732 343700 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2093381 630175 digits Jan 2025 Todd Pickering; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2247101 676449 digits Mar 2025 Gregory Bennett; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6575
max n: 2.372.938
n = 1 5 digits
n = 5 6 digits
n = 7 6 digits
n = 11 8 digits
n = 15 9 digits
n = 17 9 digits
n = 35 15 digits
n = 57 21 digits
n = 67 24 digits
n = 89 31 digits
n = 93 32 digits
n = 177 58 digits
n = 347 109 digits
n = 401 125 digits
n = 419 130 digits
n = 453 141 digits
n = 467 145 digits
n = 489 152 digits
n = 497 154 digits
n = 799 245 digits
n = 939 287 digits
n = 1393 424 digits
n = 1613 490 digits
n = 2213 670 digits
n = 2217 672 digits
n = 2227 675 digits
n = 2283 692 digits
n = 2381 721 digits
n = 2957 894 digits
n = 3131 947 digits
n = 3473 1050 digits 1993 Jeffrey Young
n = 8449 2548 digits
n = 8961 2702 digits
n = 34571 10411 digits
n = 42475 12791 digits
n = 42735 12869 digits
n = 93953 28287 digits
n = 98675 29708 digits
n = 115727 34842 digits
n = 149783 45093 digits
n = 176915 53261 digits
n = 238029 71658 digits
n = 240979 72546 digits
n = 322363 97045 digits
n = 340745 102579 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 386717 116418 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 1946339 585911 digits Apr 2024 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1987301 598242 digits Aug 2024 Pete Allivato; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6577
max n: 2.372.113
n = 2 5 digits
n = 6 6 digits
n = 18 10 digits
n = 28 13 digits
n = 74 27 digits
n = 124 42 digits
n = 256 81 digits
n = 652 201 digits
n = 846 259 digits
n = 1178 359 digits
n = 2026 614 digits
n = 2466 747 digits
n = 2566 777 digits
n = 3898 1178 digits 1993 Jeffrey Young
n = 5366 1620 digits
n = 7998 2412 digits
n = 9232 2783 digits
n = 9366 2824 digits
n = 41968 12638 digits
n = 44282 13335 digits
n = 84532 25451 digits
n = 91914 27673 digits
n = 109686 33023 digits
n = 265684 79983 digits
n = 346768 104392 digits Apr 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 777014 233909 digits Feb 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1069414 321930 digits Apr 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 2103842 633324 digits Jan 2025 Gregory Bennett; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6579
max n: 2.373.160
n = 1 5 digits
n = 2 5 digits
n = 7 6 digits
n = 10 7 digits
n = 19 10 digits
n = 22 11 digits
n = 62 23 digits
n = 77 27 digits
n = 89 31 digits
n = 109 37 digits
n = 149 49 digits
n = 409 127 digits
n = 1027 313 digits
n = 1153 351 digits
n = 1438 437 digits
n = 1789 543 digits
n = 2678 810 digits
n = 3121 944 digits
n = 3331 1007 digits 1993 Jeffrey Young
n = 3517 1063 digits 1993 Jeffrey Young
n = 3779 1142 digits 1993 Jeffrey Young
n = 3991 1206 digits 1993 Jeffrey Young
n = 4258 1286 digits 1993 Jeffrey Young
n = 4339 1310 digits 1993 Jeffrey Young
n = 4606 1391 digits 1993 Jeffrey Young
n = 4861 1468 digits 1993 Jeffrey Young
n = 5251 1585 digits
n = 5341 1612 digits
n = 7094 2140 digits
n = 7141 2154 digits
n = 9589 2891 digits
n = 10229 3084 digits
n = 10894 3284 digits
n = 12838 3869 digits
n = 15014 4524 digits
n = 15529 4679 digits
n = 26401 7952 digits
n = 35011 10544 digits
n = 35930 10820 digits
n = 43663 13148 digits
n = 47327 14251 digits
n = 51001 15357 digits Apr 1999 Tadashi Taura; Proth
n = 51427 15485 digits Apr 1999 Tadashi Taura; Proth
n = 74383 22396 digits
n = 104309 31404 digits
n = 173291 52170 digits
n = 175282 52769 digits
n = 204922 61692 digits
n = 230999 69542 digits
n = 300439 90445 digits
n = 395254 118988 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 430663 129647 digits Dec 2012 Stephen R Cilliers; PPSE; PrimeGrid
n = 516482 155481 digits Jun 2010 Kevin P Erickson; PSieve; srsieve; PrimeGrid; LLR
n = 563762 169714 digits Oct 2010 Marek Bemka; PSieve; srsieve; PrimeGrid; LLR
n = 998902 300704 digits Sep 2012 Masato Nose; PSieve; srsieve; PrimeGrid; LLR
n = 1683467 506778 digits Apr 2022 PPSE; PrimeGrid
k: 6581
max n: 2.373.220
n = 1 5 digits
n = 9 7 digits
n = 15 9 digits
n = 33 14 digits
n = 41 17 digits
n = 69 25 digits
n = 79 28 digits
n = 81 29 digits
n = 101 35 digits
n = 103 35 digits
n = 141 47 digits
n = 159 52 digits
n = 173 56 digits
n = 185 60 digits
n = 189 61 digits
n = 213 68 digits
n = 281 89 digits
n = 293 93 digits
n = 463 144 digits
n = 581 179 digits
n = 721 221 digits
n = 1609 489 digits
n = 2401 727 digits
n = 3623 1095 digits 1993 Jeffrey Young
n = 8345 2516 digits
n = 16853 5078 digits
n = 23121 6964 digits
n = 36879 11106 digits
n = 99383 29922 digits
n = 148853 44814 digits
n = 182333 54892 digits
n = 194559 58572 digits
n = 226383 68152 digits
n = 228381 68754 digits
n = 251295 75652 digits
n = 266653 80275 digits
n = 308095 92750 digits
n = 798625 240414 digits Mar 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1228805 369911 digits Jan 2014 Patrick Martin; PSieve; srsieve; PrimeGrid; LLR
k: 6583
max n: 2.372.861
n = 6 6 digits
n = 12 8 digits
n = 14 9 digits
n = 48 19 digits
n = 108 37 digits
n = 120 40 digits
n = 134 45 digits
n = 206 66 digits
n = 248 79 digits
n = 596 184 digits
n = 716 220 digits
n = 750 230 digits
n = 1056 322 digits
n = 2648 801 digits
n = 2670 808 digits
n = 3422 1034 digits 1993 Jeffrey Young
n = 15176 4573 digits
n = 15470 4661 digits
n = 42548 12813 digits
n = 124016 37337 digits
n = 179462 54028 digits
n = 195392 58823 digits
n = 369932 111365 digits May 2012 Michael Becker; PPSE; PrimeGrid
n = 438716 132071 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 1248096 375719 digits Feb 2014 Olexander Belogourov; PSieve; srsieve; PrimeGrid; LLR
n = 1323452 398403 digits Mar 2015 Justin Keenan; PSieve; srsieve; PrimeGrid; LLR
k: 6585
max n: 2.372.883
n = 1 5 digits
n = 4 6 digits
n = 12 8 digits
n = 25 12 digits
n = 52 20 digits
n = 64 24 digits
n = 70 25 digits
n = 94 33 digits
n = 145 48 digits
n = 219 70 digits
n = 633 195 digits
n = 1240 378 digits
n = 7264 2191 digits
n = 7389 2229 digits May 1996 Patrick Demichel
n = 8229 2481 digits
n = 8872 2675 digits
n = 13921 4195 digits
n = 17760 5351 digits
n = 33889 10206 digits
n = 51039 15369 digits
n = 72999 21979 digits
n = 94054 28317 digits
n = 94621 28488 digits
n = 139945 42132 digits
n = 150265 45239 digits
n = 180315 54285 digits
n = 225706 67949 digits
n = 277114 83424 digits
n = 335344 100953 digits Apr 2012 Ronny Willig; PPSE; PrimeGrid
n = 1563766 470745 digits Feb 2020 Michael Millerick; PSieve; srsieve; PrimeGrid; LLR
n = 1718806 517416 digits Nov 2022 Michael John; PPSE; PrimeGrid
n = 1768684 532431 digits Oct 2023 Pete Allivato; PPSE; PrimeGrid
n = 2028094 610521 digits Dec 2024 Dr. James Scott Brown; PPSE; PrimeGrid
k: 6587
max n: 2.372.942
n = 3 5 digits
n = 7 6 digits
n = 123 41 digits
n = 135 45 digits
n = 543 168 digits
n = 587 181 digits
n = 1515 460 digits
n = 1547 470 digits
n = 3567 1078 digits 1993 Jeffrey Young
n = 4087 1235 digits 1993 Jeffrey Young
n = 4875 1472 digits 1993 Jeffrey Young
n = 163743 49296 digits
n = 203323 61211 digits
n = 268643 80874 digits
n = 280435 84424 digits
n = 632527 190414 digits Feb 2011 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 1099823 331084 digits Jun 2013 Patrik Moravec; PSieve; srsieve; PrimeGrid; LLR
n = 1212795 365092 digits Dec 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 6589
max n: 2.373.374
n = 2 5 digits
n = 6 6 digits
n = 14 9 digits
n = 22 11 digits
n = 38 16 digits
n = 42 17 digits
n = 94 33 digits
n = 134 45 digits
n = 558 172 digits
n = 1454 442 digits
n = 9174 2766 digits
n = 10738 3237 digits
n = 12366 3727 digits
n = 28954 8720 digits
n = 29650 8930 digits
n = 61874 18630 digits
n = 153474 46205 digits
n = 378762 114023 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 902294 271622 digits Jun 2012 John T Marshall; PSieve; srsieve; PrimeGrid; LLR
n = 1140826 343427 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1380134 415466 digits Feb 2016 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 6591
max n: 2.372.996
n = 1 5 digits
n = 5 6 digits
n = 7 6 digits
n = 8 7 digits
n = 48 19 digits
n = 49 19 digits
n = 61 23 digits
n = 79 28 digits
n = 81 29 digits
n = 85 30 digits
n = 91 32 digits
n = 115 39 digits
n = 127 43 digits
n = 128 43 digits
n = 149 49 digits
n = 156 51 digits
n = 401 125 digits
n = 493 153 digits
n = 528 163 digits
n = 563 174 digits
n = 580 179 digits
n = 615 189 digits
n = 688 211 digits
n = 897 274 digits
n = 911 279 digits
n = 1108 338 digits
n = 1260 384 digits
n = 1293 394 digits
n = 1461 444 digits
n = 2365 716 digits
n = 5048 1524 digits
n = 8003 2413 digits
n = 10549 3180 digits
n = 17481 5267 digits
n = 22528 6786 digits
n = 23769 7160 digits
n = 24469 7370 digits Dec 1998 Baptiste Heyman; Proth
n = 25391 7648 digits
n = 44845 13504 digits
n = 54369 16371 digits
n = 70579 21251 digits
n = 76137 22924 digits
n = 110849 33373 digits
n = 158727 47786 digits
n = 182265 54872 digits
n = 228809 68883 digits
n = 232813 70088 digits
n = 371865 111947 digits May 2012 Bob Hurd; PPSE; PrimeGrid
n = 375431 113020 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 1200128 361279 digits Nov 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1855969 558707 digits Feb 2024 Jonathan Sipes; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2231073 671624 digits Feb 2025 Nicholas Mukanos; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2303055 693293 digits Aug 2025 Stephen Draycott; PPSE; PrimeGrid
k: 6593
max n: 2.373.361
n = 1 5 digits
n = 25 12 digits
n = 20389 6142 digits
n = 22189 6684 digits
n = 55765 16791 digits
n = 195685 58911 digits
n = 398041 119827 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 2154049 648438 digits Feb 2025 David Walling; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6595
max n: 2.373.293
n = 10 7 digits
n = 20 10 digits
n = 30 13 digits
n = 50 19 digits
n = 164 54 digits
n = 2638 798 digits
n = 8998 2713 digits
n = 16270 4902 digits
n = 17598 5302 digits
n = 50738 15278 digits
n = 62398 18788 digits
n = 313404 94348 digits
n = 546310 164460 digits Sep 2010 Daishin Ueyama; PSieve; srsieve; PrimeGrid; LLR
n = 703868 211890 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 6597
max n: 2.372.830
n = 6 6 digits
n = 23 11 digits
n = 26 12 digits
n = 50 19 digits
n = 51 20 digits
n = 74 27 digits
n = 95 33 digits
n = 144 48 digits
n = 203 65 digits
n = 230 74 digits
n = 246 78 digits
n = 479 149 digits
n = 714 219 digits
n = 2739 829 digits
n = 3035 918 digits
n = 4166 1258 digits 1993 Jeffrey Young
n = 5799 1750 digits
n = 8648 2608 digits
n = 24887 7496 digits
n = 25328 7629 digits
n = 25619 7716 digits
n = 37946 11427 digits
n = 40046 12059 digits
n = 40607 12228 digits
n = 85626 25780 digits
n = 135627 40832 digits
n = 174690 52591 digits
n = 219104 65961 digits
n = 252686 76070 digits
n = 378674 113997 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 518594 156117 digits Jun 2010 Andrew Gockel; PSieve; srsieve; PrimeGrid; LLR
n = 761184 229144 digits Feb 2012 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 803763 241961 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1043454 314115 digits Jan 2013 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
n = 1323246 398341 digits Mar 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1998375 601575 digits Sep 2024 PPSE; PrimeGrid
k: 6599
max n: 2.373.320
n = 37 15 digits
n = 127 43 digits
n = 357 112 digits
n = 451 140 digits
n = 597 184 digits
n = 1029 314 digits
n = 2017 611 digits
n = 3501 1058 digits 1993 Jeffrey Young
n = 5625 1698 digits
n = 7497 2261 digits
n = 14509 4372 digits
n = 36097 10871 digits
n = 36307 10934 digits
n = 42037 12659 digits
n = 82485 24835 digits
n = 85281 25676 digits
n = 92647 27894 digits
n = 774061 233020 digits Feb 2012 Takashi Iwasaki; PSieve; srsieve; PrimeGrid; LLR
k: 6601
max n: 2.373.376
n = 12 8 digits
n = 16 9 digits
n = 28 13 digits
n = 88 31 digits
n = 220 71 digits
n = 432 134 digits
n = 1528 464 digits
n = 1836 557 digits
n = 2428 735 digits
n = 29236 8805 digits
n = 48936 14736 digits
n = 707056 212849 digits Sep 2011 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
k: 6603
max n: 2.372.791
n = 4 6 digits
n = 5 6 digits
n = 20 10 digits
n = 26 12 digits
n = 54 21 digits
n = 61 23 digits
n = 124 42 digits
n = 152 50 digits
n = 332 104 digits
n = 520 161 digits
n = 2621 793 digits
n = 2804 848 digits
n = 4496 1358 digits 1993 Jeffrey Young
n = 7505 2264 digits
n = 9152 2759 digits
n = 17216 5187 digits
n = 18646 5617 digits
n = 27445 8266 digits
n = 29521 8891 digits
n = 30873 9298 digits
n = 56708 17075 digits
n = 74300 22371 digits
n = 101061 30427 digits
n = 154856 46621 digits
n = 222925 67111 digits
n = 317133 95471 digits
n = 469985 141484 digits Oct 2009 Ben Rhodes; srsieve; PrimeGrid; LLR
n = 680684 204911 digits Aug 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 824613 248238 digits Apr 2012 Paul Lantinga; PSieve; srsieve; PrimeGrid; LLR
n = 831305 250252 digits Apr 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 853145 256827 digits May 2012 Stan Hebr; PSieve; srsieve; PrimeGrid; LLR
n = 1010624 304232 digits Oct 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1259313 379095 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1323200 398327 digits Mar 2015 Nikolay Yurgandzhiev; PSieve; srsieve; PrimeGrid; LLR
n = 1411654 424955 digits Jun 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1411796 424997 digits Jul 2016 Oleksandr Natalenko; PSieve; srsieve; PrimeGrid; LLR
n = 1699358 511562 digits Jun 2022 Jeffrey Mangio; PPSE; PrimeGrid
n = 1789292 538635 digits Jan 2024 Jaroslav Sekanina; PPSE; PrimeGrid
n = 2258098 679760 digits Mar 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3358525 1011021 digits Mar 2021 Gary Bauer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6605
max n: 2.373.298
n = 7 6 digits
n = 15 9 digits
n = 17 9 digits
n = 39 16 digits
n = 49 19 digits
n = 57 21 digits
n = 105 36 digits
n = 155 51 digits
n = 169 55 digits
n = 233 74 digits
n = 267 85 digits
n = 407 127 digits
n = 1059 323 digits
n = 1473 448 digits
n = 1887 572 digits
n = 2019 612 digits
n = 3303 999 digits
n = 3929 1187 digits 1993 Jeffrey Young
n = 5187 1566 digits
n = 5499 1660 digits
n = 5675 1713 digits
n = 6099 1840 digits
n = 14953 4506 digits
n = 15593 4698 digits
n = 16355 4928 digits
n = 17535 5283 digits
n = 31329 9435 digits
n = 39495 11893 digits
n = 70673 21279 digits
n = 78407 23607 digits
n = 386569 116373 digits Jun 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 740259 222844 digits Feb 2012 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 1287563 387599 digits Aug 2014 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1888967 568640 digits Feb 2024 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1912959 575862 digits Feb 2024 Andrew McNary; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2236247 673182 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3430187 1032593 digits Aug 2022 Ed Goforth; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6607
max n: 2.373.135
n = 10 7 digits
n = 16 9 digits
n = 22 11 digits
n = 154 51 digits
n = 260 83 digits
n = 440 137 digits
n = 994 304 digits
n = 2672 809 digits
n = 2710 820 digits
n = 2770 838 digits
n = 10900 3286 digits
n = 34456 10377 digits
n = 574540 172958 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 746182 224627 digits Feb 2012 Dennis Chi; PSieve; srsieve; PrimeGrid; LLR
n = 2316616 697375 digits Oct 2025 PPSE; PrimeGrid
k: 6609
max n: 2.372.553
n = 1 5 digits
n = 2 5 digits
n = 11 8 digits
n = 15 9 digits
n = 17 9 digits
n = 18 10 digits
n = 31 14 digits
n = 37 15 digits
n = 55 21 digits
n = 83 29 digits
n = 97 34 digits
n = 106 36 digits
n = 123 41 digits
n = 125 42 digits
n = 205 66 digits
n = 234 75 digits
n = 258 82 digits
n = 271 86 digits
n = 346 108 digits
n = 353 111 digits
n = 442 137 digits
n = 461 143 digits
n = 546 169 digits
n = 745 229 digits
n = 965 295 digits
n = 1273 388 digits
n = 2162 655 digits
n = 2530 766 digits
n = 2621 793 digits
n = 3562 1077 digits 1993 Jeffrey Young
n = 5977 1804 digits
n = 8581 2587 digits May 1996 Patrick Demichel
n = 9601 2895 digits
n = 11023 3323 digits
n = 15221 4586 digits
n = 16661 5020 digits
n = 21871 6588 digits
n = 23595 7107 digits
n = 27370 8244 digits
n = 28794 8672 digits
n = 40853 12302 digits Apr 1999 Tadashi Taura; Proth
n = 40906 12318 digits
n = 43266 13029 digits
n = 52661 15857 digits Apr 1999 Tadashi Taura; Proth
n = 141891 42718 digits
n = 153858 46320 digits
n = 285075 85820 digits
n = 372555 112155 digits May 2012 Adrian Schori; PPSE; PrimeGrid
n = 590941 177895 digits Dec 2010 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 698922 210401 digits Sep 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 828746 249482 digits Apr 2012 Peter Tibbott; PSieve; srsieve; PrimeGrid; LLR
n = 862585 259668 digits May 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 927810 279303 digits Jul 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1014602 305430 digits Oct 2012 Olgerd E. Hoopoe; PSieve; srsieve; PrimeGrid; LLR
n = 1379825 415373 digits Feb 2016 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 1527883 459943 digits Feb 2019 James Krauss; PSieve; srsieve; PrimeGrid; LLR
n = 1825803 549626 digits Jan 2024 PPSE; PrimeGrid
k: 6611
max n: 2.372.840
n = 3 5 digits
n = 11 8 digits
n = 21 11 digits
n = 45 18 digits
n = 171 56 digits
n = 195 63 digits
n = 221 71 digits
n = 585 180 digits
n = 875 268 digits
n = 1605 487 digits
n = 1881 571 digits
n = 2993 905 digits
n = 3309 1000 digits 1993 Jeffrey Young
n = 6155 1857 digits
n = 6611 1994 digits 1984 Wilfrid Keller
n = 17993 5421 digits
n = 18269 5504 digits
n = 58643 17658 digits
n = 111345 33523 digits
n = 140721 42366 digits
n = 146969 44246 digits
n = 183131 55132 digits
n = 184445 55528 digits
n = 281397 84713 digits
n = 578753 174226 digits Nov 2010 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 796985 239921 digits Mar 2012 Hanjoon Kim; PSieve; srsieve; PrimeGrid; LLR
n = 1458069 438927 digits Sep 2017 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
k: 6613
max n: 2.373.255
n = 6 6 digits
n = 18 10 digits
n = 90 31 digits
n = 132 44 digits
n = 196 63 digits
n = 438 136 digits
n = 678 208 digits
n = 1788 543 digits
n = 2292 694 digits
n = 2688 813 digits
n = 4032 1218 digits 1993 Jeffrey Young
n = 4068 1229 digits 1993 Jeffrey Young
n = 4386 1325 digits 1993 Jeffrey Young
n = 4638 1400 digits 1993 Jeffrey Young
n = 4926 1487 digits 1993 Jeffrey Young
n = 4936 1490 digits 1993 Jeffrey Young
n = 7612 2296 digits
n = 15408 4643 digits
n = 49068 14775 digits
n = 91158 27446 digits
n = 109548 32982 digits
n = 374886 112856 digits Jun 2012 Adrian Schori; PPSE; PrimeGrid
n = 1942806 584847 digits Mar 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6615
max n: 2.372.548
n = 5 6 digits
n = 7 6 digits
n = 8 7 digits
n = 15 9 digits
n = 18 10 digits
n = 20 10 digits
n = 29 13 digits
n = 30 13 digits
n = 31 14 digits
n = 70 25 digits
n = 87 31 digits
n = 89 31 digits
n = 98 34 digits
n = 112 38 digits
n = 214 69 digits
n = 216 69 digits
n = 217 70 digits
n = 231 74 digits
n = 269 85 digits
n = 437 136 digits
n = 484 150 digits
n = 496 154 digits
n = 535 165 digits
n = 884 270 digits
n = 1039 317 digits
n = 1069 326 digits
n = 1377 419 digits
n = 1648 500 digits
n = 1770 537 digits
n = 2117 642 digits
n = 2378 720 digits
n = 2391 724 digits
n = 2774 839 digits
n = 2936 888 digits
n = 5104 1541 digits
n = 5260 1588 digits
n = 5714 1724 digits
n = 5839 1762 digits
n = 6262 1889 digits
n = 6385 1926 digits
n = 6399 1931 digits
n = 7921 2389 digits
n = 8598 2593 digits May 1996 Patrick Demichel
n = 10482 3160 digits
n = 12440 3749 digits
n = 14276 4302 digits
n = 15066 4540 digits
n = 21474 6469 digits
n = 23551 7094 digits 1996 Patrick Demichel
n = 32626 9826 digits
n = 33410 10062 digits
n = 35566 10711 digits
n = 47549 14318 digits
n = 54414 16385 digits
n = 59106 17797 digits Apr 1999 Tadashi Taura; Proth
n = 61464 18507 digits Apr 1999 Tadashi Taura; Proth
n = 65572 19743 digits
n = 88049 26510 digits
n = 88328 26594 digits
n = 116262 35003 digits
n = 146452 44091 digits
n = 242727 73072 digits
n = 362050 108992 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 377344 113596 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 408278 122908 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 410660 123625 digits Sep 2012 Bart Kus; PPSE; PrimeGrid
n = 453928 136650 digits May 2009 Sascha Beat Dinkel; srsieve; PrimeGrid; LLR
n = 460549 138643 digits Jul 2009 Tim Frost; srsieve; PrimeGrid; LLR
n = 536175 161409 digits Jul 2010 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 585978 176401 digits Nov 2010 Sławomir Małusecki; PSieve; srsieve; PrimeGrid; LLR
n = 608154 183077 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1162224 349869 digits Sep 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1256156 378145 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1742789 524636 digits May 2023 Alexey Simbarsky; PPSE; PrimeGrid
n = 1794895 540322 digits Jan 2024 Michael Millerick; PPSE; PrimeGrid
n = 2163006 651134 digits Feb 2025 Andri Martinelli; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2372887 714314 digits Jun 2026 Al Thomas; PPSE; PrimeGrid
k: 6617
max n: 2.372.830
n = 3 5 digits
n = 7 6 digits
n = 27 12 digits
n = 51 20 digits
n = 71 26 digits
n = 275 87 digits
n = 447 139 digits
n = 559 173 digits
n = 1095 334 digits
n = 1351 411 digits
n = 3047 922 digits
n = 4199 1268 digits 1993 Jeffrey Young
n = 6359 1919 digits
n = 16755 5048 digits
n = 23083 6953 digits
n = 44195 13308 digits
n = 57819 17410 digits
n = 171795 51720 digits
n = 216267 65107 digits
n = 230491 69389 digits
n = 396143 119255 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 560707 168794 digits Oct 2010 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 1435627 432171 digits Feb 2017 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
k: 6619
max n: 2.373.398
n = 6 6 digits
n = 26 12 digits
n = 218 70 digits
n = 290 92 digits
n = 666 205 digits
n = 678 208 digits
n = 2678 810 digits
n = 16698 5031 digits
n = 50098 15085 digits
n = 86498 26043 digits
n = 103578 31184 digits
n = 158066 47587 digits
n = 470526 141647 digits Oct 2009 Vince Splain; srsieve; PrimeGrid; LLR
n = 963086 289922 digits Aug 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 3360606 1011648 digits Mar 2021 Barry Walsh; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6621
max n: 2.373.247
n = 5 6 digits
n = 8 7 digits
n = 13 8 digits
n = 29 13 digits
n = 68 25 digits
n = 79 28 digits
n = 85 30 digits
n = 115 39 digits
n = 119 40 digits
n = 131 44 digits
n = 499 155 digits
n = 787 241 digits
n = 1448 440 digits
n = 1949 591 digits
n = 2333 707 digits
n = 4171 1260 digits 1993 Jeffrey Young
n = 27205 8194 digits
n = 33815 10184 digits
n = 45548 13716 digits
n = 94415 28426 digits
n = 98923 29783 digits
n = 472631 142280 digits Oct 2009 Ryszard Walczak; srsieve; PrimeGrid; LLR
n = 910085 273967 digits Jun 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1308971 394044 digits Feb 2015 Zoltan Kemenes; PSieve; srsieve; PrimeGrid; LLR
n = 1468075 441939 digits Feb 2018 James Krauss; PSieve; srsieve; PrimeGrid; LLR
k: 6623
max n: 2.372.816
n = 9 7 digits
n = 221 71 digits
n = 4397 1328 digits 1993 Jeffrey Young
n = 27977 8426 digits
n = 116913 35199 digits
n = 139449 41983 digits
n = 262373 78986 digits
n = 307269 92502 digits
k: 6625
max n: 2.373.119
n = 2 5 digits
n = 6 6 digits
n = 8 7 digits
n = 20 10 digits
n = 56 21 digits
n = 66 24 digits
n = 86 30 digits
n = 162 53 digits
n = 170 55 digits
n = 204 66 digits
n = 240 77 digits
n = 264 84 digits
n = 662 204 digits
n = 878 269 digits
n = 2234 677 digits
n = 3116 942 digits
n = 3192 965 digits
n = 3578 1081 digits 1993 Jeffrey Young
n = 4850 1464 digits 1993 Jeffrey Young
n = 6122 1847 digits
n = 6368 1921 digits
n = 6740 2033 digits
n = 8466 2553 digits
n = 10268 3095 digits
n = 11822 3563 digits
n = 17000 5122 digits May 1998 Robert Prethaler; Proth
n = 17900 5393 digits
n = 20228 6094 digits
n = 21686 6532 digits
n = 21782 6561 digits
n = 51960 15646 digits
n = 106712 32128 digits
n = 131654 39636 digits
n = 156084 46990 digits
n = 166538 50137 digits
n = 337394 101570 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 470262 141567 digits Oct 2009 Lammert van der Veen; srsieve; PrimeGrid; LLR
n = 745400 224392 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 979746 294937 digits Aug 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1262370 380016 digits Apr 2014 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1540100 463621 digits Jun 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1596056 480465 digits Sep 2020 Yuki Yoshigoe; PSieve; srsieve; PrimeGrid; LLR
k: 6627
max n: 2.372.885
n = 3 5 digits
n = 4 6 digits
n = 6 6 digits
n = 10 7 digits
n = 12 8 digits
n = 18 10 digits
n = 22 11 digits
n = 27 12 digits
n = 55 21 digits
n = 60 22 digits
n = 64 24 digits
n = 76 27 digits
n = 84 30 digits
n = 90 31 digits
n = 102 35 digits
n = 159 52 digits
n = 264 84 digits
n = 300 95 digits
n = 306 96 digits
n = 568 175 digits
n = 684 210 digits
n = 874 267 digits
n = 906 277 digits
n = 1015 310 digits
n = 1722 523 digits
n = 2038 618 digits
n = 2346 711 digits
n = 2722 824 digits
n = 3055 924 digits
n = 4378 1322 digits 1993 Jeffrey Young
n = 4468 1349 digits 1993 Jeffrey Young
n = 4990 1506 digits 1993 Jeffrey Young
n = 13308 4010 digits
n = 17688 5329 digits
n = 20658 6223 digits
n = 28230 8502 digits
n = 30823 9283 digits
n = 33807 10181 digits
n = 50418 15182 digits
n = 51954 15644 digits
n = 56364 16972 digits
n = 58848 17719 digits
n = 68980 20769 digits
n = 69159 20823 digits
n = 73290 22067 digits
n = 73588 22157 digits
n = 99784 30042 digits
n = 161140 48512 digits
n = 174624 52571 digits
n = 301035 90625 digits
n = 368142 110826 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 592516 178369 digits Dec 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 603424 181653 digits Jan 2011 Josef Schlereth; PSieve; srsieve; PrimeGrid; LLR
n = 721774 217280 digits Nov 2011 Mark Wilcoxen; PSieve; srsieve; PrimeGrid; LLR
n = 795136 239364 digits Mar 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 952675 286788 digits Jul 2012 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1020826 307304 digits Oct 2012 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1027512 309316 digits Oct 2012 Max Vassalli; PSieve; srsieve; PrimeGrid; LLR
n = 1184226 356492 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1356042 408214 digits Sep 2015 Billy Cain; PSieve; srsieve; PrimeGrid; LLR
n = 1400095 421475 digits Mar 2016 Frédéric Servaz; PSieve; srsieve; PrimeGrid; LLR
n = 1543398 464613 digits Jul 2019 Morten Dahlby; PSieve; srsieve; PrimeGrid; LLR
n = 2031328 611495 digits Dec 2024 Zack Friedrichsen; PPSE; PrimeGrid
k: 6629
max n: 2.372.702
n = 1 5 digits
n = 9 7 digits
n = 39 16 digits
n = 41 17 digits
n = 43 17 digits
n = 47 18 digits
n = 73 26 digits
n = 111 38 digits
n = 163 53 digits
n = 169 55 digits
n = 191 62 digits
n = 239 76 digits
n = 267 85 digits
n = 303 96 digits
n = 331 104 digits
n = 409 127 digits
n = 585 180 digits
n = 653 201 digits
n = 681 209 digits
n = 1201 366 digits
n = 2749 832 digits
n = 4755 1436 digits 1993 Jeffrey Young
n = 5389 1627 digits
n = 6017 1816 digits
n = 9577 2887 digits
n = 10875 3278 digits
n = 10901 3286 digits
n = 11887 3583 digits
n = 15499 4670 digits
n = 19923 6002 digits
n = 22767 6858 digits
n = 25485 7676 digits
n = 29335 8835 digits
n = 38435 11574 digits
n = 48751 14680 digits
n = 50641 15249 digits
n = 58869 17726 digits
n = 89869 27058 digits
n = 90681 27302 digits
n = 204591 61592 digits
n = 288081 86725 digits
n = 305509 91972 digits
n = 328855 99000 digits
n = 342151 103002 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 365901 110151 digits May 2012 PPSE; PrimeGrid
n = 587557 176877 digits Dec 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 965677 290702 digits Aug 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1513751 455689 digits Feb 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1573339 473627 digits Feb 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1704289 513046 digits Jul 2022 Ryan Propper; PPSE; PrimeGrid
k: 6631
max n: 2.373.335
n = 16 9 digits
n = 24 12 digits
n = 32 14 digits
n = 56 21 digits
n = 488 151 digits
n = 584 180 digits
n = 1160 354 digits
n = 11640 3508 digits
n = 41744 12571 digits
n = 1833888 552060 digits Jan 2024 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2004208 603331 digits Oct 2024 Patrick Schöfer; PPSE; PrimeGrid
n = 3340808 1005688 digits Nov 2020 Steven Wong; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6633
max n: 2.372.987
n = 1 5 digits
n = 4 6 digits
n = 12 8 digits
n = 21 11 digits
n = 22 11 digits
n = 29 13 digits
n = 36 15 digits
n = 41 17 digits
n = 58 22 digits
n = 92 32 digits
n = 114 39 digits
n = 154 51 digits
n = 157 52 digits
n = 198 64 digits
n = 257 82 digits
n = 269 85 digits
n = 276 87 digits
n = 436 136 digits
n = 448 139 digits
n = 562 174 digits
n = 589 182 digits
n = 616 190 digits
n = 888 272 digits
n = 1377 419 digits
n = 1882 571 digits
n = 2112 640 digits
n = 2254 683 digits
n = 2257 684 digits
n = 3333 1008 digits 1993 Jeffrey Young
n = 3561 1076 digits 1993 Jeffrey Young
n = 6193 1869 digits
n = 6389 1928 digits
n = 8041 2425 digits
n = 8394 2531 digits
n = 8921 2690 digits
n = 35208 10603 digits
n = 43234 13019 digits
n = 52926 15937 digits
n = 103498 31160 digits
n = 113052 34036 digits
n = 131544 39603 digits
n = 150136 45200 digits
n = 244417 73581 digits
n = 351009 105669 digits Apr 2012 Richard Kapek; PPSE; PrimeGrid
n = 383533 115459 digits Apr 2009 Johnathan Chu; srsieve; PrimeGrid; LLR
n = 582808 175447 digits Nov 2010 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 595636 179309 digits Dec 2010 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 673921 202875 digits Jul 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 757648 228079 digits Feb 2012 Yuriy Bogachov; PSieve; srsieve; PrimeGrid; LLR
n = 970457 292141 digits Aug 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 981361 295423 digits Sep 2012 Stefan Wakolbinger; PSieve; srsieve; PrimeGrid; LLR
n = 1026693 309070 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1112273 334832 digits Jul 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1350958 406683 digits Aug 2015 Dan Swearingen; PSieve; srsieve; PrimeGrid; LLR
n = 1847776 556240 digits Jan 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6635
max n: 2.373.281
n = 13 8 digits
n = 19 10 digits
n = 31 14 digits
n = 59 22 digits
n = 161 53 digits
n = 251 80 digits
n = 263 83 digits
n = 355 111 digits
n = 449 139 digits
n = 535 165 digits
n = 1309 398 digits
n = 1345 409 digits
n = 2695 816 digits
n = 6853 2067 digits
n = 7663 2311 digits
n = 9569 2885 digits
n = 13243 3991 digits
n = 14123 4256 digits
n = 21469 6467 digits
n = 114349 34427 digits
n = 176849 53241 digits
n = 206623 62204 digits
n = 296867 89370 digits
n = 838283 252353 digits Apr 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1514423 455891 digits Feb 2019 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 2147585 646492 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6637
max n: 2.372.707
n = 6 6 digits
n = 8 7 digits
n = 12 8 digits
n = 14 9 digits
n = 16 9 digits
n = 18 10 digits
n = 24 12 digits
n = 38 16 digits
n = 64 24 digits
n = 68 25 digits
n = 80 28 digits
n = 126 42 digits
n = 168 55 digits
n = 178 58 digits
n = 198 64 digits
n = 236 75 digits
n = 260 83 digits
n = 372 116 digits
n = 374 117 digits
n = 486 151 digits
n = 490 152 digits
n = 620 191 digits
n = 728 223 digits
n = 844 258 digits
n = 880 269 digits
n = 966 295 digits
n = 1036 316 digits
n = 1266 385 digits
n = 1996 605 digits
n = 2048 621 digits
n = 2280 691 digits
n = 3914 1183 digits 1993 Jeffrey Young
n = 3916 1183 digits 1993 Jeffrey Young
n = 4480 1353 digits 1993 Jeffrey Young
n = 5558 1677 digits
n = 5898 1780 digits
n = 6968 2102 digits Mar 1996 Patrick Demichel
n = 9778 2948 digits
n = 14964 4509 digits
n = 18312 5517 digits
n = 20836 6277 digits
n = 29652 8930 digits
n = 51452 15493 digits
n = 58354 17571 digits
n = 72782 21914 digits
n = 76148 22927 digits
n = 84212 25355 digits
n = 93642 28193 digits
n = 99032 29816 digits
n = 132336 39841 digits
n = 134562 40512 digits
n = 148850 44813 digits
n = 182208 54854 digits
n = 285380 85912 digits
n = 313040 94239 digits
n = 359320 108170 digits May 2012 PPSE; PrimeGrid
n = 389280 117189 digits Jul 2012 Bruce Dodson; PPSE; PrimeGrid
n = 398282 119899 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 438636 132047 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 866298 260786 digits May 2012 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 950148 286027 digits Jul 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 1109532 334007 digits Jul 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1124004 338363 digits Aug 2013 Brandon Wharton; PSieve; srsieve; PrimeGrid; LLR
n = 1137010 342278 digits Aug 2013 Nick Athanas; PSieve; srsieve; PrimeGrid; LLR
n = 1832820 551738 digits Jan 2024 Vaughan Davies; PPSE; PrimeGrid
n = 1847548 556172 digits Jan 2024 Marshall Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2243278 675298 digits Feb 2025 Andrew McNary; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2262094 680962 digits Mar 2025 Lonnie Christensen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2356286 709317 digits Apr 2026 Adrian Baker; PPSE; PrimeGrid
k: 6639
max n: 2.372.936
n = 2 5 digits
n = 3 5 digits
n = 9 7 digits
n = 17 9 digits
n = 23 11 digits
n = 33 14 digits
n = 51 20 digits
n = 62 23 digits
n = 71 26 digits
n = 95 33 digits
n = 119 40 digits
n = 137 46 digits
n = 414 129 digits
n = 1095 334 digits
n = 1113 339 digits
n = 1167 356 digits
n = 1271 387 digits
n = 1665 506 digits
n = 2265 686 digits
n = 2601 787 digits
n = 8670 2614 digits
n = 9455 2851 digits
n = 12378 3730 digits
n = 18801 5664 digits Nov 1997 Henri Lifchitz; Proth
n = 72162 21727 digits
n = 86454 26030 digits
n = 143033 43062 digits
n = 156617 47151 digits
n = 217499 65478 digits
n = 1185078 356748 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1227507 369521 digits Jan 2014 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 1422171 428120 digits Sep 2016 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
k: 6641
max n: 2.372.790
n = 3 5 digits
n = 7 6 digits
n = 9 7 digits
n = 15 9 digits
n = 31 14 digits
n = 51 20 digits
n = 55 21 digits
n = 85 30 digits
n = 97 34 digits
n = 99 34 digits
n = 115 39 digits
n = 139 46 digits
n = 187 61 digits
n = 307 97 digits
n = 331 104 digits
n = 493 153 digits
n = 891 273 digits
n = 987 301 digits
n = 1053 321 digits
n = 1147 350 digits
n = 1351 411 digits
n = 1359 413 digits
n = 1779 540 digits
n = 1815 551 digits
n = 3171 959 digits
n = 11505 3468 digits
n = 23281 7013 digits
n = 27493 8281 digits
n = 42093 12676 digits
n = 183187 55149 digits
n = 225639 67928 digits
n = 239493 72099 digits
n = 1051207 316449 digits Mar 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1066119 320938 digits Apr 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1279521 385179 digits Jun 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 2031033 611406 digits Dec 2024 LeRoy Blanchard; PPSE; PrimeGrid
n = 2291803 689906 digits Jul 2025 Rico Gefreiter; PPSE; PrimeGrid
n = 3404259 1024788 digits Feb 2022 Jonathan Seeley; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6643
max n: 2.372.841
n = 2 5 digits
n = 8 7 digits
n = 26 12 digits
n = 36 15 digits
n = 68 25 digits
n = 96 33 digits
n = 184 60 digits
n = 244 78 digits
n = 816 250 digits
n = 824 252 digits
n = 1388 422 digits
n = 1856 563 digits
n = 2384 722 digits
n = 4338 1310 digits 1993 Jeffrey Young
n = 7264 2191 digits
n = 8404 2534 digits
n = 9508 2867 digits
n = 9888 2981 digits
n = 30752 9262 digits
n = 32392 9755 digits
n = 39632 11935 digits
n = 42098 12677 digits
n = 95356 28709 digits
n = 144404 43474 digits
n = 982378 295730 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1140976 343472 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1431844 431032 digits Jan 2017 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1520948 457855 digits Feb 2019 Daniel Furr; PSieve; srsieve; PrimeGrid; LLR
k: 6645
max n: 2.372.497
n = 1 5 digits
n = 3 5 digits
n = 4 6 digits
n = 6 6 digits
n = 8 7 digits
n = 9 7 digits
n = 11 8 digits
n = 16 9 digits
n = 18 10 digits
n = 19 10 digits
n = 24 12 digits
n = 26 12 digits
n = 30 13 digits
n = 37 15 digits
n = 51 20 digits
n = 60 22 digits
n = 72 26 digits
n = 80 28 digits
n = 88 31 digits
n = 158 52 digits
n = 261 83 digits
n = 277 88 digits
n = 314 99 digits
n = 333 105 digits
n = 442 137 digits
n = 486 151 digits
n = 621 191 digits
n = 636 196 digits
n = 669 206 digits
n = 696 214 digits
n = 792 243 digits
n = 842 258 digits
n = 2017 611 digits
n = 2197 666 digits
n = 2402 727 digits
n = 2557 774 digits
n = 3037 919 digits
n = 4110 1242 digits 1993 Jeffrey Young
n = 4857 1466 digits 1993 Jeffrey Young
n = 5124 1547 digits
n = 5282 1594 digits
n = 5408 1632 digits
n = 5966 1800 digits
n = 13449 4053 digits
n = 14480 4363 digits
n = 17154 5168 digits
n = 17828 5371 digits
n = 18456 5560 digits
n = 19723 5942 digits
n = 25933 7811 digits
n = 28307 8526 digits
n = 34329 10338 digits
n = 41674 12549 digits
n = 44680 13454 digits
n = 72714 21893 digits
n = 96633 29094 digits
n = 102308 30802 digits
n = 112112 33753 digits
n = 120979 36423 digits
n = 127310 38328 digits
n = 127669 38437 digits
n = 168902 50849 digits
n = 215974 65019 digits
n = 231832 69793 digits
n = 237056 71365 digits
n = 285486 85944 digits
n = 344460 103697 digits Apr 2012 Andreas Kelm; PPSE; PrimeGrid
n = 373910 112562 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 430453 129584 digits Dec 2012 Kenta Miyakoshi; PPSE; PrimeGrid
n = 443680 133565 digits Dec 2012 Michael Millerick; PPSE; PrimeGrid
n = 521224 156908 digits Jul 2010 Ikumi Yuki; PSieve; srsieve; PrimeGrid; LLR
n = 556893 167646 digits Oct 2010 Akinori Suzuki; PSieve; srsieve; PrimeGrid; LLR
n = 576688 173605 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 580929 174881 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 642554 193432 digits Feb 2011 Jacob Mueller; PSieve; srsieve; PrimeGrid; LLR
n = 822390 247568 digits Apr 2012 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 1392099 419068 digits Feb 2016 Scott Fearns; PSieve; srsieve; PrimeGrid; LLR
n = 1500309 451642 digits Sep 2018 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
n = 2353046 708342 digits Apr 2026 Ryan Propper; PPSE; PrimeGrid
k: 6647
max n: 2.372.550
n = 11 8 digits
n = 15 9 digits
n = 79 28 digits
n = 159 52 digits
n = 531 164 digits
n = 751 230 digits
n = 1955 593 digits
n = 2199 666 digits
n = 10179 3069 digits
n = 13411 4041 digits
n = 16599 5001 digits
n = 33499 10089 digits
n = 86179 25947 digits
n = 121339 36531 digits
n = 149451 44994 digits
n = 160535 48330 digits
n = 196395 59125 digits
n = 224255 67512 digits
n = 261711 78787 digits
n = 449655 135364 digits Jan 2013 Jörg Meili; PPSE; PrimeGrid
n = 1256551 378264 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 6649
max n: 2.372.833
n = 2 5 digits
n = 34 15 digits
n = 82 29 digits
n = 118 40 digits
n = 158 52 digits
n = 182 59 digits
n = 314 99 digits
n = 482 149 digits
n = 554 171 digits
n = 1118 341 digits
n = 1498 455 digits
n = 2458 744 digits
n = 3038 919 digits
n = 3694 1116 digits 1993 Jeffrey Young
n = 3974 1201 digits 1993 Jeffrey Young
n = 17078 5145 digits
n = 136310 41038 digits
n = 258754 77897 digits
n = 491338 147912 digits Feb 2010 Satoshi Matsumoto; PSieve; srsieve; PrimeGrid; LLR
n = 555218 167142 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 640154 192710 digits Feb 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 720202 216807 digits Nov 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 1053098 317018 digits Mar 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1121758 337687 digits Aug 2013 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1944322 585304 digits Mar 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6651
max n: 2.372.526
n = 4 6 digits
n = 23 11 digits
n = 31 14 digits
n = 36 15 digits
n = 76 27 digits
n = 84 30 digits
n = 132 44 digits
n = 169 55 digits
n = 340 107 digits
n = 453 141 digits
n = 611 188 digits
n = 620 191 digits
n = 683 210 digits
n = 804 246 digits
n = 899 275 digits
n = 961 294 digits
n = 997 304 digits
n = 1081 330 digits
n = 1193 363 digits
n = 1392 423 digits
n = 1656 503 digits
n = 2761 835 digits
n = 12287 3703 digits
n = 12813 3861 digits
n = 13811 4162 digits
n = 19700 5935 digits
n = 26537 7993 digits
n = 26939 8114 digits
n = 28841 8686 digits
n = 29932 9015 digits
n = 30164 9085 digits
n = 41941 12630 digits
n = 42571 12819 digits
n = 92099 27729 digits
n = 140832 42399 digits
n = 170557 51347 digits
n = 226700 68248 digits
n = 347072 104483 digits Apr 2012 Michael Millerick; PPSE; PrimeGrid
n = 522827 157391 digits Jul 2010 Jay Pantone; PSieve; srsieve; PrimeGrid; LLR
n = 586000 176408 digits Dec 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 1125436 338794 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2130760 641427 digits Jan 2025 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3402137 1024150 digits Feb 2022 Will Steinbach; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6653
max n: 2.372.972
n = 5 6 digits
n = 53 20 digits
n = 281 89 digits
n = 345 108 digits
n = 417 130 digits
n = 441 137 digits
n = 477 148 digits
n = 2037 618 digits
n = 5453 1646 digits
n = 28817 8679 digits
n = 795281 239408 digits Mar 2012 Steve Engler; PSieve; srsieve; PrimeGrid; LLR
k: 6655
max n: 2.372.873
n = 16 9 digits
n = 28 13 digits
n = 30 13 digits
n = 42 17 digits
n = 52 20 digits
n = 78 28 digits
n = 82 29 digits
n = 90 31 digits
n = 94 33 digits
n = 102 35 digits
n = 124 42 digits
n = 126 42 digits
n = 346 108 digits
n = 376 118 digits
n = 466 145 digits
n = 514 159 digits
n = 550 170 digits
n = 712 219 digits
n = 802 246 digits
n = 1326 403 digits
n = 1462 444 digits
n = 2392 724 digits
n = 8980 2708 digits
n = 10174 3067 digits
n = 12846 3871 digits
n = 13444 4051 digits
n = 21342 6429 digits
n = 23274 7010 digits
n = 26598 8011 digits
n = 29262 8813 digits
n = 33262 10017 digits
n = 35242 10613 digits
n = 40938 12328 digits
n = 59476 17908 digits
n = 88720 26712 digits
n = 181816 54736 digits
n = 284818 85743 digits
n = 298882 89977 digits
n = 402282 121103 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 732090 220385 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2056000 618922 digits Jan 2025 Jonathan Gehrke; PPSE; PrimeGrid
n = 2154028 648431 digits Feb 2025 Lorin Arnold; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6657
max n: 2.372.794
n = 23 11 digits
n = 43 17 digits
n = 60 22 digits
n = 80 28 digits
n = 96 33 digits
n = 116 39 digits
n = 148 49 digits
n = 196 63 digits
n = 199 64 digits
n = 211 68 digits
n = 383 120 digits
n = 491 152 digits
n = 503 156 digits
n = 998 305 digits
n = 1703 517 digits
n = 1836 557 digits
n = 6460 1949 digits
n = 6511 1964 digits
n = 7618 2298 digits
n = 10000 3015 digits
n = 10219 3081 digits
n = 12748 3842 digits
n = 14563 4388 digits
n = 15183 4575 digits
n = 17806 5364 digits
n = 18698 5633 digits
n = 28195 8492 digits
n = 29323 8831 digits
n = 49423 14882 digits
n = 50480 15200 digits
n = 89198 26856 digits
n = 130480 39283 digits
n = 134255 40419 digits
n = 299579 90187 digits
n = 418259 125913 digits Oct 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 610043 183646 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1012706 304859 digits Oct 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1371658 412915 digits Dec 2015 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1698983 511449 digits Jun 2022 Robert L. Clark; PPSE; PrimeGrid
n = 2093760 630289 digits Jan 2025 Greg Miller; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6659
max n: 2.373.218
n = 9 7 digits
n = 11 8 digits
n = 21 11 digits
n = 27 12 digits
n = 35 15 digits
n = 47 18 digits
n = 57 21 digits
n = 135 45 digits
n = 329 103 digits
n = 369 115 digits
n = 377 118 digits
n = 671 206 digits
n = 845 259 digits
n = 911 279 digits
n = 1771 537 digits
n = 1865 566 digits
n = 1915 581 digits
n = 2049 621 digits
n = 4017 1214 digits 1993 Jeffrey Young
n = 12017 3622 digits
n = 12909 3890 digits
n = 14067 4239 digits
n = 36679 11046 digits
n = 56985 17159 digits
n = 67737 20395 digits
n = 78241 23557 digits
n = 85449 25727 digits
n = 156989 47263 digits
n = 162825 49020 digits
n = 315717 95045 digits
n = 322981 97231 digits
n = 418445 125969 digits Oct 2012 Kenta Miyakoshi; PPSE; PrimeGrid
n = 498609 150101 digits Apr 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 820681 247054 digits Apr 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 994799 299469 digits Sep 2012 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1191887 358798 digits Oct 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1252899 377165 digits Apr 2014 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1453227 437469 digits Jul 2017 Ed Goforth; PSieve; srsieve; PrimeGrid; LLR
n = 1636789 492727 digits Apr 2021 Takashi Iwasaki; PSieve; srsieve; PrimeGrid; LLR
n = 2018437 607614 digits Dec 2024 Bruce E. Slade; PPSE; PrimeGrid
n = 2267067 682459 digits Apr 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6661
max n: 2.372.011
n = 24 12 digits
n = 540 167 digits
n = 1660 504 digits
n = 1864 565 digits
n = 3472 1049 digits 1993 Jeffrey Young
n = 3684 1113 digits 1993 Jeffrey Young
n = 4004 1210 digits 1993 Jeffrey Young
n = 4640 1401 digits 1993 Jeffrey Young
n = 9940 2997 digits
n = 15404 4641 digits
n = 46084 13877 digits
n = 251744 75787 digits
n = 1477324 444723 digits Feb 2018 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 1957224 589187 digits May 2024 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6663
max n: 2.373.410
n = 1 5 digits
n = 5 6 digits
n = 10 7 digits
n = 17 9 digits
n = 37 15 digits
n = 38 16 digits
n = 50 19 digits
n = 221 71 digits
n = 466 145 digits
n = 610 188 digits
n = 626 193 digits
n = 653 201 digits
n = 2285 692 digits
n = 2573 779 digits
n = 2606 789 digits
n = 2881 872 digits
n = 7126 2149 digits May 1996 Patrick Demichel
n = 13750 4143 digits
n = 13781 4153 digits
n = 37453 11279 digits
n = 55853 16818 digits
n = 146786 44191 digits
n = 214118 64460 digits
n = 451846 136024 digits May 2009 Douglas A. Wood; srsieve; PrimeGrid; LLR
n = 631346 190058 digits Feb 2011 Siegfried Niklas; PSieve; srsieve; PrimeGrid; LLR
n = 839486 252715 digits Apr 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 978605 294594 digits Aug 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1156513 348149 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 3439901 1035518 digits Dec 2022 Andrew M Farrow; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6665
max n: 2.372.850
n = 1 5 digits
n = 5 6 digits
n = 9 7 digits
n = 13 8 digits
n = 15 9 digits
n = 23 11 digits
n = 25 12 digits
n = 37 15 digits
n = 43 17 digits
n = 51 20 digits
n = 99 34 digits
n = 185 60 digits
n = 221 71 digits
n = 245 78 digits
n = 311 98 digits
n = 333 105 digits
n = 341 107 digits
n = 387 121 digits
n = 421 131 digits
n = 509 158 digits
n = 581 179 digits
n = 779 239 digits
n = 873 267 digits
n = 941 288 digits
n = 1033 315 digits
n = 1059 323 digits
n = 1321 402 digits
n = 1375 418 digits
n = 1619 492 digits
n = 1835 557 digits
n = 2619 793 digits
n = 2685 813 digits
n = 3341 1010 digits 1993 Jeffrey Young
n = 4811 1453 digits 1993 Jeffrey Young
n = 4957 1497 digits 1993 Jeffrey Young
n = 5191 1567 digits
n = 6375 1923 digits
n = 6441 1943 digits
n = 7077 2135 digits Mar 1996 Patrick Demichel
n = 7173 2164 digits May 1996 Patrick Demichel
n = 7689 2319 digits
n = 8617 2598 digits May 1996 Patrick Demichel
n = 8895 2682 digits
n = 11353 3422 digits
n = 12653 3813 digits
n = 14295 4308 digits
n = 24049 7244 digits
n = 33047 9952 digits
n = 40105 12077 digits
n = 53051 15974 digits
n = 54777 16494 digits
n = 71691 21585 digits
n = 125507 37786 digits
n = 131873 39702 digits
n = 143245 43125 digits
n = 202899 61083 digits
n = 206679 62221 digits
n = 224679 67639 digits
n = 229345 69044 digits
n = 284443 85630 digits
n = 290505 87455 digits
n = 424083 127666 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 466175 140337 digits Aug 2009 Bradford Nye; srsieve; PrimeGrid; LLR
n = 966575 290972 digits Aug 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1168305 351699 digits Oct 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1206719 363263 digits Dec 2013 Bobby White; PSieve; srsieve; PrimeGrid; LLR
n = 1854461 558253 digits Feb 2024 Milan Fňašek; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1887023 568055 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2119555 638054 digits Jan 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3467627 1043864 digits Apr 2023 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6667
max n: 2.372.765
n = 2 5 digits
n = 12 8 digits
n = 24 12 digits
n = 32 14 digits
n = 54 21 digits
n = 194 63 digits
n = 200 65 digits
n = 318 100 digits
n = 326 102 digits
n = 858 263 digits
n = 3342 1010 digits 1993 Jeffrey Young
n = 4230 1278 digits 1993 Jeffrey Young
n = 8024 2420 digits
n = 10404 3136 digits
n = 11790 3553 digits
n = 15626 4708 digits
n = 29712 8949 digits
n = 48554 14621 digits
n = 77864 23444 digits
n = 82226 24757 digits
n = 167454 50413 digits
n = 350640 105557 digits Apr 2012 Honza Cholt; PPSE; PrimeGrid
n = 1558820 469256 digits Feb 2020 Bob Calvin; PSieve; srsieve; PrimeGrid; LLR
n = 1834206 552155 digits Jan 2024 Ricky L Hubbard; PPSE; PrimeGrid
n = 1863984 561119 digits Feb 2024 Axel Amberg; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6669
max n: 2.372.840
n = 1 5 digits
n = 3 5 digits
n = 10 7 digits
n = 21 11 digits
n = 43 17 digits
n = 46 18 digits
n = 78 28 digits
n = 105 36 digits
n = 139 46 digits
n = 162 53 digits
n = 205 66 digits
n = 213 68 digits
n = 303 96 digits
n = 643 198 digits
n = 1005 307 digits
n = 1515 460 digits
n = 3562 1077 digits 1993 Jeffrey Young
n = 6694 2019 digits Mar 1996 Patrick Demichel
n = 7255 2188 digits
n = 7731 2332 digits May 1996 Patrick Demichel
n = 8149 2457 digits May 1996 Patrick Demichel
n = 9706 2926 digits
n = 12643 3810 digits
n = 21331 6426 digits Oct 1996 Patrick Demichel
n = 42633 12838 digits
n = 49903 15027 digits
n = 59470 17907 digits
n = 92674 27902 digits
n = 201313 60606 digits
n = 340875 102618 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 358378 107887 digits May 2012 Adrian Schori; PPSE; PrimeGrid
n = 527391 158765 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 565321 170183 digits Oct 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1001794 301574 digits Sep 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 2008645 604667 digits Oct 2024 Krzysztof Paniczko; PPSE; PrimeGrid
k: 6671
max n: 2.372.852
n = 7 6 digits
n = 13 8 digits
n = 35 15 digits
n = 39 16 digits
n = 57 21 digits
n = 67 24 digits
n = 99 34 digits
n = 123 41 digits
n = 157 52 digits
n = 237 76 digits
n = 415 129 digits
n = 417 130 digits
n = 457 142 digits
n = 503 156 digits
n = 695 214 digits
n = 703 216 digits
n = 813 249 digits
n = 2403 728 digits
n = 4173 1261 digits 1993 Jeffrey Young
n = 4237 1280 digits 1993 Jeffrey Young
n = 5279 1593 digits
n = 5407 1632 digits
n = 5599 1690 digits
n = 7635 2303 digits
n = 13105 3949 digits
n = 18145 5467 digits
n = 28665 8633 digits
n = 29207 8797 digits
n = 35567 10711 digits
n = 90079 27121 digits
n = 308447 92856 digits
n = 357247 107546 digits May 2012 PPSE; PrimeGrid
n = 375179 112944 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 469585 141363 digits Oct 2009 Mike Nicodemus; srsieve; PrimeGrid; LLR
n = 595343 179220 digits Dec 2010 Anthony Storch; PSieve; srsieve; PrimeGrid; LLR
n = 819337 246649 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1017527 306310 digits Oct 2012 Vladislav Ketamino; PSieve; srsieve; PrimeGrid; LLR
n = 1045627 314769 digits Feb 2013 Douglas A. Wood; PSieve; srsieve; PrimeGrid; LLR
n = 1572515 473379 digits Feb 2020 Barry Walsh; PSieve; srsieve; PrimeGrid; LLR
k: 6673
max n: 2.372.539
n = 2 5 digits
n = 6 6 digits
n = 22 11 digits
n = 26 12 digits
n = 30 13 digits
n = 34 15 digits
n = 56 21 digits
n = 84 30 digits
n = 114 39 digits
n = 206 66 digits
n = 262 83 digits
n = 320 101 digits
n = 656 202 digits
n = 1520 462 digits
n = 1854 562 digits
n = 1920 582 digits
n = 2330 706 digits
n = 2844 860 digits
n = 4394 1327 digits 1993 Jeffrey Young
n = 4622 1396 digits 1993 Jeffrey Young
n = 10044 3028 digits
n = 11556 3483 digits
n = 15314 4614 digits
n = 18282 5508 digits
n = 24960 7518 digits
n = 31842 9590 digits
n = 37906 11415 digits
n = 40104 12077 digits
n = 66356 19979 digits
n = 75104 22613 digits
n = 142280 42835 digits
n = 364582 109754 digits May 2012 PPSE; PrimeGrid
n = 577030 173708 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 870296 261990 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 938542 282534 digits Jul 2012 Mark Henderson; PSieve; srsieve; PrimeGrid; LLR
n = 2254776 678760 digits Mar 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6675
max n: 2.372.841
n = 2 5 digits
n = 3 5 digits
n = 4 6 digits
n = 10 7 digits
n = 15 9 digits
n = 22 11 digits
n = 23 11 digits
n = 34 15 digits
n = 51 20 digits
n = 62 23 digits
n = 72 26 digits
n = 120 40 digits
n = 156 51 digits
n = 195 63 digits
n = 261 83 digits
n = 310 98 digits
n = 311 98 digits
n = 363 114 digits
n = 394 123 digits
n = 408 127 digits
n = 460 143 digits
n = 485 150 digits
n = 592 183 digits
n = 682 210 digits
n = 850 260 digits
n = 910 278 digits
n = 1438 437 digits
n = 1711 519 digits
n = 2715 822 digits
n = 4586 1385 digits 1993 Jeffrey Young
n = 5556 1677 digits
n = 5988 1807 digits
n = 6945 2095 digits Mar 1996 Patrick Demichel
n = 7404 2233 digits
n = 8692 2621 digits
n = 10034 3025 digits
n = 11748 3541 digits
n = 12934 3898 digits
n = 16691 5029 digits
n = 17051 5137 digits
n = 18560 5591 digits
n = 20400 6145 digits
n = 25480 7675 digits
n = 26783 8067 digits
n = 30963 9325 digits
n = 37931 11423 digits
n = 44421 13376 digits
n = 51185 15413 digits
n = 56498 17012 digits Apr 1999 Tadashi Taura; Proth
n = 57762 17392 digits
n = 68880 20739 digits
n = 85148 25636 digits
n = 87272 26276 digits
n = 100791 30345 digits
n = 109460 32955 digits
n = 122480 36874 digits
n = 145254 43730 digits
n = 148352 44663 digits
n = 173924 52361 digits
n = 191138 57543 digits
n = 219126 65968 digits
n = 309898 93293 digits
n = 314735 94749 digits
n = 536480 161501 digits Aug 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 582192 175262 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 615016 185143 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 645227 194237 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 696028 209530 digits Sep 2011 John R. Bailey; PSieve; srsieve; PrimeGrid; LLR
n = 1248833 375941 digits Feb 2014 Takashi Iwasaki; PSieve; srsieve; PrimeGrid; LLR
n = 1283011 386229 digits Jul 2014 Kirill Zokov; PSieve; srsieve; PrimeGrid; LLR
n = 1299554 391209 digits Oct 2014 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1378431 414953 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1426702 429484 digits Nov 2016 Andreas Lorenz; PSieve; srsieve; PrimeGrid; LLR
n = 1638474 493234 digits May 2021 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1870118 562966 digits Feb 2024 Bob Calvin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1890233 569021 digits Feb 2024 Rene Schick; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2272574 684117 digits May 2025 Sabrina Tarson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3381688 1017994 digits Oct 2021 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6677
max n: 2.372.826
n = 319 100 digits
n = 3331 1007 digits 1993 Jeffrey Young
n = 3451 1043 digits 1993 Jeffrey Young
n = 4207 1271 digits 1993 Jeffrey Young
n = 4283 1294 digits 1993 Jeffrey Young
n = 5851 1766 digits
n = 7171 2163 digits
n = 13543 4081 digits
n = 14243 4292 digits
n = 46171 13903 digits
n = 57871 17425 digits
n = 90211 27161 digits
n = 112451 33855 digits
n = 115223 34690 digits
n = 298247 89786 digits
k: 6679
max n: 2.373.441
n = 2 5 digits
n = 6 6 digits
n = 30 13 digits
n = 150 49 digits
n = 230 74 digits
n = 310 98 digits
n = 610 188 digits
n = 742 228 digits
n = 3002 908 digits
n = 7770 2343 digits May 1996 Patrick Demichel
n = 10542 3178 digits
n = 12406 3739 digits
n = 21750 6552 digits
n = 89610 26980 digits
n = 449430 135296 digits Jan 2013 Predrag Kurtovic; PPSE; PrimeGrid
n = 606950 182714 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 612502 184386 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1038062 312492 digits Jan 2013 Rudi Irran; PSieve; srsieve; PrimeGrid; LLR
n = 1469010 442220 digits Feb 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 6681
max n: 2.372.659
n = 8 7 digits
n = 11 8 digits
n = 44 18 digits
n = 65 24 digits
n = 105 36 digits
n = 164 54 digits
n = 308 97 digits
n = 327 103 digits
n = 525 162 digits
n = 1085 331 digits
n = 2805 849 digits
n = 3635 1099 digits 1993 Jeffrey Young
n = 3932 1188 digits 1993 Jeffrey Young
n = 5177 1563 digits
n = 7617 2297 digits May 1996 Patrick Demichel
n = 17369 5233 digits
n = 30035 9046 digits
n = 50615 15241 digits
n = 54867 16521 digits
n = 55697 16771 digits Apr 1999 Tadashi Taura; Proth
n = 86471 26035 digits
n = 121796 36669 digits
n = 167727 50495 digits
n = 351467 105806 digits May 2012 PPSE; PrimeGrid
n = 457241 137648 digits Jun 2009 Dean Loros; srsieve; PrimeGrid; LLR
n = 471561 141958 digits Oct 2009 Nobuhito Onodera; srsieve; PrimeGrid; LLR
n = 588788 177247 digits Dec 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 959207 288754 digits Aug 2012 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 975711 293723 digits Aug 2012 Michał Gasewicz; PSieve; srsieve; PrimeGrid; LLR
n = 1261160 379651 digits Apr 2014 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
k: 6683
max n: 2.373.164
n = 1 5 digits
n = 13 8 digits
n = 21 11 digits
n = 33 14 digits
n = 85 30 digits
n = 349 109 digits
n = 649 200 digits
n = 817 250 digits
n = 1057 323 digits
n = 1405 427 digits
n = 1953 592 digits
n = 2733 827 digits
n = 3165 957 digits
n = 5113 1543 digits
n = 6321 1907 digits
n = 8905 2685 digits
n = 14017 4224 digits
n = 16173 4873 digits
n = 34077 10263 digits
n = 107005 32216 digits
n = 259581 78146 digits
n = 871557 262369 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
k: 6685
max n: 2.373.406
n = 4 6 digits
n = 28 13 digits
n = 68 25 digits
n = 108 37 digits
n = 244 78 digits
n = 268 85 digits
n = 288 91 digits
n = 750 230 digits
n = 966 295 digits
n = 1176 358 digits
n = 1630 495 digits
n = 2134 647 digits
n = 2608 789 digits
n = 4864 1469 digits 1993 Jeffrey Young
n = 8308 2505 digits
n = 13260 3996 digits
n = 23648 7123 digits
n = 68886 20741 digits
n = 89924 27074 digits
n = 115256 34700 digits
n = 133916 40317 digits
n = 134398 40462 digits
n = 195528 58864 digits
n = 736600 221743 digits Feb 2012 Robert Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 900838 271184 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1394784 419876 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 2037748 613428 digits Jan 2025 James Winskill; PPSE; PrimeGrid
n = 3478086 1047013 digits Aug 2023 Wolfgang Schwieger; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6687
max n: 2.372.861
n = 4 6 digits
n = 6 6 digits
n = 7 6 digits
n = 34 15 digits
n = 42 17 digits
n = 56 21 digits
n = 75 27 digits
n = 158 52 digits
n = 187 61 digits
n = 207 67 digits
n = 236 75 digits
n = 271 86 digits
n = 619 191 digits
n = 635 195 digits
n = 715 220 digits
n = 799 245 digits
n = 1187 362 digits
n = 1667 506 digits
n = 1727 524 digits
n = 1742 529 digits
n = 2096 635 digits
n = 2366 717 digits
n = 3012 911 digits
n = 3182 962 digits
n = 3431 1037 digits 1993 Jeffrey Young
n = 3854 1164 digits 1993 Jeffrey Young
n = 5319 1606 digits
n = 6711 2025 digits Mar 1996 Patrick Demichel
n = 7312 2205 digits May 1996 Patrick Demichel
n = 16035 4831 digits
n = 16123 4858 digits
n = 17691 5330 digits
n = 21671 6528 digits
n = 22504 6779 digits
n = 25963 7820 digits
n = 55598 16741 digits
n = 69438 20907 digits
n = 80259 24165 digits
n = 82459 24827 digits
n = 122887 36997 digits
n = 329224 99111 digits
n = 438338 131957 digits Dec 2012 PPSE; PrimeGrid
n = 488264 146986 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 577319 173795 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 738636 222356 digits Feb 2012 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 940995 283272 digits Jul 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1218239 366731 digits Dec 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1397924 420821 digits Mar 2016 Stefan Ruch; PSieve; srsieve; PrimeGrid; LLR
n = 1441807 434031 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1873244 563907 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6689
max n: 2.372.710
n = 11 8 digits
n = 13 8 digits
n = 21 11 digits
n = 23 11 digits
n = 39 16 digits
n = 47 18 digits
n = 59 22 digits
n = 167 55 digits
n = 239 76 digits
n = 327 103 digits
n = 539 167 digits
n = 917 280 digits
n = 1709 519 digits
n = 2643 800 digits
n = 3671 1109 digits 1993 Jeffrey Young
n = 11147 3360 digits
n = 35171 10592 digits
n = 64563 19440 digits
n = 144123 43390 digits
n = 213731 64344 digits
n = 480677 144703 digits Nov 2009 Martyn Ronald Woodward; PSieve; srsieve; PrimeGrid; LLR
n = 524459 157882 digits Jul 2010 Tapio Rajala; PSieve; srsieve; PrimeGrid; LLR
n = 1397447 420678 digits Mar 2016 Landon Kryger; PSieve; srsieve; PrimeGrid; LLR
n = 1698749 511379 digits Jun 2022 Ryan Propper; PPSE; PrimeGrid
k: 6691
max n: 2.373.327
n = 4 6 digits
n = 64 24 digits
n = 128 43 digits
n = 160 52 digits
n = 184 60 digits
n = 1084 331 digits
n = 1096 334 digits
n = 1144 349 digits
n = 1376 419 digits
n = 1804 547 digits
n = 3800 1148 digits 1993 Jeffrey Young
n = 4204 1270 digits 1993 Jeffrey Young
n = 5560 1678 digits
n = 6172 1862 digits
n = 11456 3453 digits
n = 18100 5453 digits
n = 38600 11624 digits
n = 75868 22843 digits
n = 130484 39284 digits
n = 180460 54328 digits
n = 190096 57229 digits
n = 199892 60178 digits
n = 290404 87425 digits
n = 843568 253944 digits Apr 2012 Stefan Wakolbinger; PSieve; srsieve; PrimeGrid; LLR
n = 1330924 400652 digits May 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 6693
max n: 2.373.057
n = 4 6 digits
n = 5 6 digits
n = 6 6 digits
n = 10 7 digits
n = 20 10 digits
n = 25 12 digits
n = 30 13 digits
n = 45 18 digits
n = 49 19 digits
n = 72 26 digits
n = 76 27 digits
n = 80 28 digits
n = 85 30 digits
n = 89 31 digits
n = 96 33 digits
n = 104 36 digits
n = 154 51 digits
n = 176 57 digits
n = 438 136 digits
n = 452 140 digits
n = 552 170 digits
n = 805 247 digits
n = 830 254 digits
n = 872 267 digits
n = 1133 345 digits
n = 1249 380 digits
n = 1290 393 digits
n = 1537 467 digits
n = 1929 585 digits
n = 2065 626 digits
n = 2386 723 digits
n = 2505 758 digits
n = 2577 780 digits
n = 2609 790 digits
n = 3148 952 digits
n = 3165 957 digits
n = 3333 1008 digits 1993 Jeffrey Young
n = 4214 1273 digits 1993 Jeffrey Young
n = 4524 1366 digits 1993 Jeffrey Young
n = 5057 1527 digits
n = 7017 2117 digits Mar 1996 Patrick Demichel
n = 7684 2317 digits
n = 7790 2349 digits May 1996 Patrick Demichel
n = 8946 2697 digits
n = 11013 3320 digits
n = 14008 4221 digits
n = 15634 4711 digits
n = 16577 4994 digits
n = 17296 5211 digits Jul 1996 Patrick Demichel
n = 17838 5374 digits
n = 20140 6067 digits
n = 23292 7016 digits
n = 23477 7072 digits
n = 26218 7897 digits
n = 27877 8396 digits
n = 28537 8595 digits
n = 33392 10056 digits
n = 35540 10703 digits
n = 38076 11466 digits
n = 40272 12127 digits
n = 54158 16308 digits
n = 66232 19942 digits
n = 71889 21645 digits
n = 88864 26755 digits
n = 90720 27314 digits
n = 138136 41587 digits
n = 154329 46462 digits
n = 157486 47412 digits
n = 160313 48263 digits
n = 173637 52274 digits
n = 198674 59811 digits
n = 205692 61924 digits
n = 211456 63659 digits
n = 229190 68997 digits
n = 285690 86006 digits
n = 301278 90698 digits
n = 335766 101080 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 389572 117277 digits Jul 2012 Adrian Schori; PPSE; PrimeGrid
n = 426804 128485 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 452116 136105 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 499265 150298 digits May 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 559040 168292 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 626834 188700 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 811848 244395 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1042784 313914 digits Jan 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1632032 491295 digits Feb 2021 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 1647697 496011 digits Oct 2021 Jaap Rijfers; PSieve; srsieve; PrimeGrid; LLR
n = 2075652 624838 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2131313 641593 digits Jan 2025 Pavel Rosický; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2196668 661267 digits Feb 2025 Christian Guilleminot; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6695
max n: 2.372.818
n = 11 8 digits
n = 69 25 digits
n = 87 31 digits
n = 89 31 digits
n = 527 163 digits
n = 693 213 digits
n = 1733 526 digits
n = 5319 1606 digits
n = 6129 1849 digits
n = 15039 4532 digits Nov 1997 Henri Lifchitz; Proth
n = 18227 5491 digits
n = 24149 7274 digits
n = 85001 25592 digits
n = 94049 28316 digits
n = 137889 41513 digits
n = 233369 70255 digits
n = 331353 99752 digits
n = 662069 199307 digits Apr 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
k: 6697
max n: 2.373.460
n = 10 7 digits
n = 12 8 digits
n = 60 22 digits
n = 108 37 digits
n = 316 99 digits
n = 322 101 digits
n = 412 128 digits
n = 460 143 digits
n = 468 145 digits
n = 916 280 digits
n = 5178 1563 digits
n = 6858 2069 digits
n = 11214 3380 digits May 1996 Patrick Demichel
n = 16702 5032 digits
n = 30028 9044 digits Sep 1997 Kenneth J. Brazier; Proth
n = 49494 14904 digits
n = 151434 45591 digits
n = 168244 50651 digits
n = 218358 65737 digits
n = 265012 79781 digits
n = 588558 177178 digits Dec 2010 Krzysztof Ostaszewski; PSieve; srsieve; PrimeGrid; LLR
n = 613060 184554 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
k: 6699
max n: 2.372.010
n = 1 5 digits
n = 3 5 digits
n = 13 8 digits
n = 14 9 digits
n = 19 10 digits
n = 34 15 digits
n = 38 16 digits
n = 59 22 digits
n = 61 23 digits
n = 78 28 digits
n = 83 29 digits
n = 129 43 digits
n = 147 49 digits
n = 167 55 digits
n = 175 57 digits
n = 251 80 digits
n = 297 94 digits
n = 315 99 digits
n = 495 153 digits
n = 602 186 digits
n = 822 252 digits
n = 859 263 digits
n = 950 290 digits
n = 1121 342 digits
n = 1767 536 digits
n = 2741 829 digits
n = 3343 1011 digits 1993 Jeffrey Young
n = 3423 1035 digits 1993 Jeffrey Young
n = 3755 1135 digits 1993 Jeffrey Young
n = 4249 1283 digits 1993 Jeffrey Young
n = 5278 1593 digits
n = 5878 1774 digits
n = 8194 2471 digits May 1996 Patrick Demichel
n = 10067 3035 digits
n = 19867 5985 digits
n = 21459 6464 digits
n = 21729 6545 digits
n = 22274 6709 digits
n = 22750 6853 digits
n = 23794 7167 digits
n = 33155 9985 digits
n = 34691 10447 digits
n = 48490 14601 digits
n = 53178 16012 digits
n = 55153 16607 digits
n = 59877 18029 digits
n = 79198 23845 digits
n = 82543 24852 digits
n = 102857 30967 digits
n = 107590 32392 digits
n = 129774 39070 digits
n = 156505 47117 digits
n = 179579 54063 digits
n = 180998 54490 digits
n = 239053 71966 digits
n = 270611 81466 digits
n = 382350 115103 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 411097 123757 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 521819 157087 digits Jul 2010 Daishin Ueyama; PSieve; srsieve; PrimeGrid; LLR
n = 585929 176387 digits Nov 2010 William Peake; PSieve; srsieve; PrimeGrid; LLR
n = 665767 200420 digits Apr 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 819181 246602 digits Apr 2012 John ODonnell; PSieve; srsieve; PrimeGrid; LLR
n = 920241 277024 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1204694 362653 digits Dec 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1355567 408071 digits Sep 2015 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1429651 430372 digits Dec 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1489778 448472 digits Apr 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1543135 464534 digits Jul 2019 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 1920442 578115 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2257167 679479 digits Mar 2025 Miroslav Kupka; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6701
max n: 2.372.498
n = 3 5 digits
n = 5 6 digits
n = 9 7 digits
n = 15 9 digits
n = 23 11 digits
n = 27 12 digits
n = 35 15 digits
n = 77 28 digits
n = 107 37 digits
n = 183 59 digits
n = 189 61 digits
n = 207 67 digits
n = 259 82 digits
n = 283 90 digits
n = 291 92 digits
n = 327 103 digits
n = 343 108 digits
n = 921 282 digits
n = 1003 306 digits
n = 1311 399 digits
n = 1383 421 digits
n = 1711 519 digits
n = 2595 785 digits
n = 2975 900 digits
n = 4527 1367 digits 1993 Jeffrey Young
n = 5875 1773 digits
n = 8165 2462 digits May 1996 Patrick Demichel
n = 11579 3490 digits
n = 11603 3497 digits
n = 23167 6978 digits
n = 23479 7072 digits
n = 25341 7633 digits
n = 32121 9674 digits
n = 37593 11321 digits
n = 46207 13914 digits
n = 62109 18701 digits
n = 67939 20456 digits Mar 2000 Chris Caldwell; Proth
n = 91555 27565 digits
n = 151581 45635 digits
n = 201533 60672 digits Apr 2004 John Dilick; NewPGen; Proth
n = 409583 123301 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 708485 213280 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 836423 251793 digits Apr 2012 Seth Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 893669 269026 digits Jun 2012 Dirk Dhuyvetters; PSieve; srsieve; PrimeGrid; LLR
n = 1386583 417407 digits Feb 2016 Li Dake; PSieve; srsieve; PrimeGrid; LLR
n = 1408137 423896 digits May 2016 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1617543 486933 digits Feb 2021 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 2229269 671081 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3437801 1034886 digits Nov 2022 Steve Dodd; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6703
max n: 2.373.327
n = 2 5 digits
n = 10 7 digits
n = 14 9 digits
n = 20 10 digits
n = 24 12 digits
n = 28 13 digits
n = 42 17 digits
n = 46 18 digits
n = 90 31 digits
n = 112 38 digits
n = 144 48 digits
n = 150 49 digits
n = 238 76 digits
n = 288 91 digits
n = 302 95 digits
n = 336 105 digits
n = 354 111 digits
n = 366 115 digits
n = 1072 327 digits
n = 1098 335 digits
n = 1210 369 digits
n = 3042 920 digits
n = 3452 1043 digits 1993 Jeffrey Young
n = 4288 1295 digits 1993 Jeffrey Young
n = 5644 1703 digits
n = 8282 2497 digits
n = 9044 2727 digits
n = 12362 3726 digits
n = 18680 5628 digits Oct 1996 Patrick Demichel
n = 36198 10901 digits
n = 50080 15080 digits
n = 57870 17425 digits
n = 58188 17521 digits
n = 69884 21042 digits
n = 117954 35512 digits
n = 130496 39288 digits
n = 156806 47208 digits
n = 249250 75036 digits
n = 316810 95374 digits
n = 317638 95623 digits
n = 326674 98343 digits
n = 458162 137925 digits Jun 2009 Julien Thomas; srsieve; PrimeGrid; LLR
n = 459370 138288 digits Jun 2009 Jochen Beck; srsieve; PrimeGrid; LLR
n = 560046 168595 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 585530 176266 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 905442 272570 digits Jun 2012 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 1561448 470047 digits Feb 2020 Tim Terry; PSieve; srsieve; PrimeGrid; LLR
n = 1979266 595823 digits Jul 2024 Adrian Schori; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3364088 1012696 digits May 2021 Hideyasu Kawamura; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6705
max n: 2.372.880
n = 1 5 digits
n = 2 5 digits
n = 5 6 digits
n = 7 6 digits
n = 10 7 digits
n = 14 9 digits
n = 22 11 digits
n = 25 12 digits
n = 31 14 digits
n = 55 21 digits
n = 62 23 digits
n = 67 24 digits
n = 77 28 digits
n = 100 34 digits
n = 110 37 digits
n = 118 40 digits
n = 139 46 digits
n = 170 56 digits
n = 245 78 digits
n = 271 86 digits
n = 277 88 digits
n = 310 98 digits
n = 317 100 digits
n = 349 109 digits
n = 425 132 digits
n = 481 149 digits
n = 508 157 digits
n = 649 200 digits
n = 898 275 digits
n = 1321 402 digits
n = 1595 484 digits
n = 1643 499 digits
n = 1729 525 digits
n = 2237 678 digits
n = 2827 855 digits
n = 2945 891 digits
n = 3350 1013 digits 1993 Jeffrey Young
n = 3373 1020 digits 1993 Jeffrey Young
n = 3565 1077 digits 1993 Jeffrey Young
n = 3580 1082 digits 1993 Jeffrey Young
n = 4325 1306 digits 1993 Jeffrey Young
n = 5837 1761 digits
n = 8962 2702 digits
n = 9814 2959 digits
n = 13682 4123 digits
n = 14917 4495 digits
n = 17449 5257 digits
n = 18614 5608 digits
n = 19042 5737 digits
n = 19348 5829 digits
n = 22282 6712 digits
n = 22333 6727 digits
n = 26701 8042 digits Jul 1998 Kenneth J. Brazier; Proth
n = 26762 8060 digits
n = 28481 8578 digits
n = 45355 13658 digits
n = 53737 16181 digits
n = 55991 16859 digits
n = 60955 18354 digits Apr 1999 Tadashi Taura; Proth
n = 81391 24505 digits
n = 81619 24574 digits
n = 95188 28659 digits
n = 103000 31010 digits
n = 113339 34123 digits
n = 147713 44470 digits
n = 288451 86837 digits
n = 308021 92728 digits
n = 341995 102955 digits Apr 2012 Stefan Larsson; PPSE; PrimeGrid
n = 523864 157703 digits Jul 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 705313 212325 digits Sep 2011 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 768949 231481 digits Feb 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
n = 1175050 353730 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1607551 483925 digits Oct 2020 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 1719455 517612 digits Nov 2022 Alexey Simbarsky; PPSE; PrimeGrid
n = 2175640 654937 digits Feb 2025 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6707
max n: 2.372.810
n = 3 5 digits
n = 7 6 digits
n = 15 9 digits
n = 23 11 digits
n = 31 14 digits
n = 63 23 digits
n = 115 39 digits
n = 135 45 digits
n = 247 79 digits
n = 251 80 digits
n = 255 81 digits
n = 419 130 digits
n = 423 132 digits
n = 535 165 digits
n = 775 238 digits
n = 783 240 digits
n = 931 285 digits
n = 1179 359 digits
n = 1627 494 digits
n = 1739 528 digits
n = 2043 619 digits
n = 2179 660 digits
n = 2595 785 digits
n = 3271 989 digits
n = 3363 1017 digits 1993 Jeffrey Young
n = 21807 6569 digits
n = 25175 7583 digits
n = 28759 8662 digits
n = 41363 12456 digits
n = 77947 23469 digits
n = 98367 29616 digits
n = 113855 34278 digits
n = 124447 37467 digits
n = 166031 49985 digits
n = 249395 75080 digits
n = 933463 281005 digits Jul 2012 Marek Krawczyk; PSieve; srsieve; PrimeGrid; LLR
n = 1032527 310826 digits Jan 2013 Paweł Grabowski; PSieve; srsieve; PrimeGrid; LLR
n = 1283595 386405 digits Jul 2014 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 1292499 389085 digits Sep 2014 Jim DelGrosso; PSieve; srsieve; PrimeGrid; LLR
n = 1675803 504471 digits Feb 2022 Bill Cavnaugh; PSieve; srsieve; PrimeGrid; LLR
k: 6709
max n: 2.373.301
n = 74 27 digits
n = 986 301 digits
n = 7238 2183 digits
n = 12182 3671 digits
n = 21686 6532 digits
n = 26294 7920 digits
k: 6711
max n: 2.373.078
n = 4 6 digits
n = 9 7 digits
n = 12 8 digits
n = 19 10 digits
n = 24 12 digits
n = 27 12 digits
n = 28 13 digits
n = 39 16 digits
n = 52 20 digits
n = 64 24 digits
n = 72 26 digits
n = 99 34 digits
n = 120 40 digits
n = 139 46 digits
n = 208 67 digits
n = 319 100 digits
n = 364 114 digits
n = 393 123 digits
n = 409 127 digits
n = 1047 320 digits
n = 1404 427 digits
n = 1489 453 digits
n = 1608 488 digits
n = 1660 504 digits
n = 18228 5492 digits
n = 18760 5652 digits
n = 21232 6396 digits
n = 26220 7897 digits
n = 34429 10368 digits
n = 73584 22155 digits
n = 95964 28892 digits
n = 99553 29973 digits
n = 108279 32600 digits
n = 140139 42190 digits
n = 161077 48493 digits
n = 221320 66628 digits
n = 256320 77164 digits
n = 338824 102001 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 427564 128714 digits Nov 2012 James P. Burt; PPSE; PrimeGrid
n = 866524 260854 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
k: 6713
max n: 2.373.124
n = 5 6 digits
n = 41 17 digits
n = 665 205 digits
n = 2473 749 digits
n = 4993 1507 digits 1993 Jeffrey Young
n = 8161 2461 digits May 1996 Patrick Demichel
n = 50921 15333 digits
n = 59561 17934 digits
n = 125621 37820 digits
n = 526129 158385 digits Jul 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
k: 6715
max n: 2.372.865
n = 2 5 digits
n = 4 6 digits
n = 28 13 digits
n = 34 15 digits
n = 46 18 digits
n = 50 19 digits
n = 56 21 digits
n = 166 54 digits
n = 212 68 digits
n = 244 78 digits
n = 328 103 digits
n = 466 145 digits
n = 520 161 digits
n = 656 202 digits
n = 980 299 digits
n = 1030 314 digits
n = 1174 358 digits
n = 2428 735 digits
n = 4962 1498 digits 1993 Jeffrey Young
n = 6376 1924 digits
n = 6528 1969 digits
n = 7014 2116 digits Mar 1996 Patrick Demichel
n = 8570 2584 digits May 1996 Patrick Demichel
n = 13350 4023 digits
n = 19654 5921 digits
n = 19874 5987 digits
n = 20126 6063 digits
n = 20662 6224 digits
n = 55490 16708 digits
n = 58566 17634 digits
n = 60556 18233 digits
n = 88052 26511 digits
n = 107598 32395 digits
n = 109090 32844 digits
n = 357440 107604 digits May 2012 PPSE; PrimeGrid
n = 373708 112502 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 380714 114611 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 418040 125847 digits Oct 2012 Bart Kus; PPSE; PrimeGrid
n = 2080544 626310 digits Jan 2025 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6717
max n: 2.373.133
n = 4 6 digits
n = 6 6 digits
n = 12 8 digits
n = 14 9 digits
n = 20 10 digits
n = 26 12 digits
n = 79 28 digits
n = 103 35 digits
n = 116 39 digits
n = 239 76 digits
n = 260 83 digits
n = 294 93 digits
n = 456 142 digits
n = 522 161 digits
n = 631 194 digits
n = 663 204 digits
n = 680 209 digits
n = 879 269 digits
n = 912 279 digits
n = 986 301 digits
n = 3254 984 digits
n = 3544 1071 digits 1993 Jeffrey Young
n = 5487 1656 digits
n = 7562 2281 digits
n = 7960 2401 digits
n = 7986 2408 digits
n = 8714 2628 digits
n = 8990 2711 digits
n = 9860 2972 digits
n = 13266 3998 digits
n = 13599 4098 digits
n = 16183 4876 digits
n = 17135 5162 digits
n = 23742 7151 digits
n = 47580 14327 digits
n = 54266 16340 digits
n = 64184 19326 digits
n = 85807 25835 digits
n = 155831 46914 digits
n = 270879 81547 digits
n = 819919 246825 digits Apr 2012 Sławomir Jagsz; PSieve; srsieve; PrimeGrid; LLR
n = 957871 288352 digits Aug 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1146366 345095 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2011231 605445 digits Nov 2024 Jan Kožíšek; PPSE; PrimeGrid
n = 2045222 615677 digits Jan 2025 Robert Meckley; PPSE; PrimeGrid
n = 3463735 1042692 digits Mar 2023 Nèstor Abad; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6719
max n: 2.373.384
n = 103 35 digits
n = 343 108 digits
n = 33415 10063 digits
n = 395261 118990 digits Jan 2008 Tyler Cadigan; srsieve; CRUS; LLR
n = 536275 161439 digits Jul 2010 Arnaud Jacques; PSieve; srsieve; PrimeGrid; LLR
n = 637925 192039 digits Feb 2011 Dirk Dhuyvetters; PSieve; srsieve; PrimeGrid; LLR
k: 6721
max n: 2.373.416
n = 208 67 digits
n = 220 71 digits
n = 248 79 digits
n = 448 139 digits
n = 620 191 digits
n = 860 263 digits
n = 1260 384 digits
n = 1372 417 digits
n = 1648 500 digits
n = 1936 587 digits
n = 1992 604 digits
n = 2224 674 digits
n = 3892 1176 digits 1993 Jeffrey Young
n = 7924 2390 digits
n = 21112 6360 digits
n = 37092 11170 digits
n = 50460 15194 digits
n = 69936 21057 digits
n = 270180 81337 digits
n = 286048 86113 digits
n = 713692 214847 digits Nov 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 967604 291282 digits Aug 2012 Michael Millerick; PSieve; srsieve; PrimeGrid; LLR
n = 975740 293731 digits Aug 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 981440 295447 digits Sep 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
k: 6723
max n: 2.373.431
n = 2 5 digits
n = 45 18 digits
n = 236 75 digits
n = 1629 495 digits
n = 1676 509 digits
n = 1797 545 digits
n = 2012 610 digits
n = 4221 1275 digits 1993 Jeffrey Young
n = 7272 2193 digits
n = 8496 2562 digits
n = 9189 2770 digits
n = 32466 9778 digits
n = 73682 22185 digits
n = 91332 27498 digits
n = 212892 64091 digits
n = 456512 137428 digits May 2009 Dave Sunderland; srsieve; PrimeGrid; LLR
n = 889392 267738 digits May 2012 Markus Zyber; PSieve; srsieve; PrimeGrid; LLR
n = 1272810 383158 digits May 2014 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1827476 550129 digits Jan 2024 PPSE; PrimeGrid
k: 6725
max n: 2.372.750
n = 1 5 digits
n = 31 14 digits
n = 85 30 digits
n = 1297 395 digits
n = 1725 524 digits
n = 4707 1421 digits 1993 Jeffrey Young
n = 14797 4459 digits
n = 24745 7453 digits
n = 27745 8356 digits
n = 93391 28118 digits
n = 148681 44762 digits
n = 157167 47316 digits
n = 182727 55011 digits
n = 276055 83105 digits
n = 299641 90205 digits
n = 409605 123308 digits Dec 2005 Kenneth J. Brazier; NewPGen; LLR
n = 681115 205040 digits Aug 2011 Frank Matillek; PSieve; srsieve; PrimeGrid; LLR
n = 1268551 381876 digits May 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1408357 423962 digits Jun 2016 Karl Josef Tonner; PSieve; srsieve; PrimeGrid; LLR
n = 3451455 1038996 digits Feb 2023 David Bestor; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6727
max n: 2.372.839
n = 8 7 digits
n = 18 10 digits
n = 20 10 digits
n = 44 18 digits
n = 88 31 digits
n = 98 34 digits
n = 118 40 digits
n = 204 66 digits
n = 394 123 digits
n = 428 133 digits
n = 438 136 digits
n = 710 218 digits
n = 898 275 digits
n = 900 275 digits
n = 1164 355 digits
n = 5078 1533 digits
n = 9200 2774 digits
n = 9404 2835 digits
n = 10090 3042 digits
n = 23774 7161 digits
n = 25944 7814 digits
n = 42298 12737 digits
n = 47434 14283 digits
n = 65808 19815 digits
n = 124792 37570 digits
n = 126010 37937 digits
n = 161720 48687 digits
n = 161820 48717 digits
n = 232070 69864 digits
n = 334232 100618 digits Apr 2012 Andrew Orr; PPSE; PrimeGrid
n = 594800 179057 digits Dec 2010 Gus Obermeyer; PSieve; srsieve; PrimeGrid; LLR
n = 1025072 308582 digits Oct 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1650480 496848 digits Dec 2021 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2259820 680278 digits Mar 2025 Gerry Michaud; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6729
max n: 2.372.792
n = 5 6 digits
n = 9 7 digits
n = 10 7 digits
n = 11 8 digits
n = 17 9 digits
n = 21 11 digits
n = 25 12 digits
n = 26 12 digits
n = 35 15 digits
n = 53 20 digits
n = 61 23 digits
n = 74 27 digits
n = 81 29 digits
n = 91 32 digits
n = 94 33 digits
n = 107 37 digits
n = 110 37 digits
n = 115 39 digits
n = 130 43 digits
n = 177 58 digits
n = 191 62 digits
n = 198 64 digits
n = 227 73 digits
n = 299 94 digits
n = 359 112 digits
n = 739 227 digits
n = 765 235 digits
n = 1171 357 digits
n = 1234 376 digits
n = 1753 532 digits
n = 1867 566 digits
n = 1950 591 digits
n = 3017 913 digits
n = 10805 3257 digits
n = 11541 3479 digits
n = 18851 5679 digits
n = 21227 6394 digits
n = 29395 8853 digits
n = 35345 10644 digits
n = 35850 10796 digits
n = 47650 14348 digits
n = 50537 15217 digits
n = 51751 15583 digits
n = 55618 16747 digits
n = 58789 17702 digits
n = 59014 17769 digits
n = 78631 23675 digits
n = 192369 57913 digits
n = 197334 59408 digits
n = 258654 77867 digits
n = 292870 88167 digits
n = 451691 135977 digits May 2009 Kouhei Ohyanagi; srsieve; PrimeGrid; LLR
n = 1027090 309189 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1165861 350963 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 6731
max n: 2.372.836
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 17 9 digits
n = 25 12 digits
n = 31 14 digits
n = 45 18 digits
n = 49 19 digits
n = 89 31 digits
n = 91 32 digits
n = 117 40 digits
n = 145 48 digits
n = 165 54 digits
n = 199 64 digits
n = 419 130 digits
n = 559 173 digits
n = 847 259 digits
n = 923 282 digits
n = 963 294 digits
n = 1063 324 digits
n = 3303 999 digits
n = 4215 1273 digits 1993 Jeffrey Young
n = 5055 1526 digits
n = 7243 2185 digits
n = 9059 2731 digits
n = 9689 2921 digits
n = 12277 3700 digits
n = 18897 5693 digits
n = 22251 6703 digits
n = 23567 7099 digits
n = 23981 7223 digits
n = 25563 7700 digits
n = 32625 9825 digits
n = 41695 12556 digits
n = 63287 19056 digits
n = 84479 25435 digits
n = 162487 48918 digits
n = 163099 49102 digits
n = 173123 52120 digits
n = 343327 103356 digits Apr 2012 Ulf Riedl; PPSE; PrimeGrid
n = 548371 165080 digits Sep 2010 Ivan Osychenko; PSieve; srsieve; PrimeGrid; LLR
n = 764817 230237 digits Feb 2012 Minki Li; PSieve; srsieve; PrimeGrid; LLR
n = 832933 250742 digits Apr 2012 Kel Utendorf; PSieve; srsieve; PrimeGrid; LLR
n = 857021 257993 digits May 2012 Brian Leahy; PSieve; srsieve; PrimeGrid; LLR
n = 1259115 379036 digits Apr 2014 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1559013 469314 digits Feb 2020 Reed Jessen; PSieve; srsieve; PrimeGrid; LLR
n = 1770163 532876 digits Nov 2023 Dr. James Scott Brown; PPSE; PrimeGrid
n = 3376133 1016322 digits Aug 2021 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6733
max n: 2.373.205
n = 10 7 digits
n = 14 9 digits
n = 38 16 digits
n = 74 27 digits
n = 94 33 digits
n = 118 40 digits
n = 142 47 digits
n = 176 57 digits
n = 206 66 digits
n = 238 76 digits
n = 338 106 digits
n = 406 127 digits
n = 746 229 digits
n = 4334 1309 digits 1993 Jeffrey Young
n = 5570 1681 digits
n = 19018 5729 digits
n = 21872 6588 digits
n = 56222 16929 digits
n = 63214 19034 digits
n = 70642 21270 digits
n = 105320 31709 digits
n = 516214 155400 digits Jun 2010 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 698362 210232 digits Sep 2011 Juan Ferrer; PSieve; srsieve; PrimeGrid; LLR
n = 796030 239633 digits Mar 2012 Ivan Osychenko; PSieve; srsieve; PrimeGrid; LLR
n = 1987106 598183 digits Aug 2024 Brandon Wharton; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2038262 613582 digits Dec 2024 Jaroslav Sekanina; PPSE; PrimeGrid
k: 6735
max n: 2.372.712
n = 3 5 digits
n = 4 6 digits
n = 5 6 digits
n = 13 8 digits
n = 21 11 digits
n = 26 12 digits
n = 29 13 digits
n = 33 14 digits
n = 34 15 digits
n = 39 16 digits
n = 40 16 digits
n = 56 21 digits
n = 63 23 digits
n = 74 27 digits
n = 83 29 digits
n = 88 31 digits
n = 133 44 digits
n = 140 46 digits
n = 201 65 digits
n = 302 95 digits
n = 385 120 digits
n = 476 148 digits
n = 520 161 digits
n = 521 161 digits
n = 615 189 digits
n = 656 202 digits
n = 1129 344 digits
n = 1293 394 digits
n = 1421 432 digits
n = 1500 456 digits
n = 1742 529 digits
n = 2248 681 digits
n = 2324 704 digits
n = 2471 748 digits
n = 2775 840 digits
n = 3656 1105 digits 1993 Jeffrey Young
n = 3802 1149 digits 1993 Jeffrey Young
n = 4151 1254 digits 1993 Jeffrey Young
n = 5704 1721 digits
n = 6214 1875 digits
n = 9741 2937 digits
n = 9935 2995 digits
n = 10260 3093 digits
n = 10573 3187 digits
n = 10816 3260 digits
n = 11925 3594 digits
n = 12992 3915 digits
n = 14592 4397 digits
n = 15313 4614 digits
n = 16704 5033 digits May 1996 Patrick Demichel
n = 23051 6943 digits
n = 24933 7510 digits
n = 27540 8295 digits
n = 33303 10030 digits Apr 1998 Arthur Meunier; Proth
n = 36184 10897 digits
n = 48639 14646 digits
n = 50255 15133 digits Apr 1999 Tadashi Taura; Proth
n = 71923 21655 digits
n = 73221 22046 digits
n = 95955 28890 digits
n = 104348 31416 digits
n = 116998 35224 digits
n = 124774 37565 digits
n = 137516 41401 digits
n = 139611 42031 digits
n = 147324 44353 digits
n = 195335 58806 digits
n = 237770 71580 digits
n = 265379 79891 digits
n = 289129 87041 digits
n = 367373 110595 digits May 2012 PPSE; PrimeGrid
n = 441790 132996 digits Dec 2012 Sascha Thorsten Dietsch; PPSE; PrimeGrid
n = 634829 191107 digits Feb 2011 Paul Arthur MacIain; PSieve; srsieve; PrimeGrid; LLR
n = 739453 222602 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 963094 289925 digits Aug 2012 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 987392 297239 digits Sep 2012 Magnus Bergman; PSieve; srsieve; PrimeGrid; LLR
n = 1143792 344320 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1280193 385381 digits Jun 2014 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1938204 583462 digits Apr 2024 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2029433 610925 digits Dec 2024 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2241623 674800 digits Mar 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6737
max n: 2.372.714
n = 3 5 digits
n = 63 23 digits
n = 99 34 digits
n = 167 55 digits
n = 1875 569 digits
n = 2367 717 digits
n = 5879 1774 digits
n = 20435 6156 digits
n = 326327 98239 digits
n = 486095 146334 digits Jan 2010 Fred Richard; PSieve; srsieve; PrimeGrid; LLR
n = 880095 264939 digits May 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1352079 407021 digits Aug 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1584003 476837 digits Aug 2020 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1730207 520849 digits Jan 2023 Juha Hauhia; PPSE; PrimeGrid
k: 6739
max n: 2.372.861
n = 6 6 digits
n = 70 25 digits
n = 150 49 digits
n = 366 115 digits
n = 370 116 digits
n = 466 145 digits
n = 750 230 digits
n = 946 289 digits
n = 1146 349 digits
n = 1290 393 digits
n = 4570 1380 digits 1993 Jeffrey Young
n = 23194 6986 digits
n = 25146 7574 digits
n = 87550 26360 digits
n = 248406 74782 digits
n = 249702 75172 digits
n = 1288866 387992 digits Aug 2014 Jozsef Schmidt; PSieve; srsieve; PrimeGrid; LLR
k: 6741
max n: 2.372.843
n = 4 6 digits
n = 8 7 digits
n = 15 9 digits
n = 28 13 digits
n = 56 21 digits
n = 64 24 digits
n = 308 97 digits
n = 432 134 digits
n = 476 148 digits
n = 632 195 digits
n = 672 207 digits
n = 776 238 digits
n = 897 274 digits
n = 1740 528 digits
n = 4057 1226 digits 1993 Jeffrey Young
n = 4691 1416 digits 1993 Jeffrey Young
n = 6656 2008 digits Mar 1996 Patrick Demichel
n = 7035 2122 digits
n = 11097 3345 digits
n = 12768 3848 digits
n = 31513 9491 digits
n = 36471 10983 digits
n = 39676 11948 digits
n = 48460 14592 digits
n = 82185 24744 digits
n = 134668 40543 digits
n = 141497 42599 digits
n = 145956 43941 digits
n = 217191 65385 digits
n = 233256 70221 digits
n = 321512 96789 digits
n = 337712 101666 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 458625 138064 digits Jun 2009 Wolfgang Straubinger; srsieve; PrimeGrid; LLR
n = 470612 141673 digits Oct 2009 Mike Ingram; srsieve; PrimeGrid; LLR
n = 535856 161313 digits Jul 2010 Frank Hirsch; PSieve; srsieve; PrimeGrid; LLR
n = 542556 163330 digits Aug 2010 Bruno Vaccari; PSieve; srsieve; PrimeGrid; LLR
n = 822255 247528 digits Apr 2012 Jeff Javens; PSieve; srsieve; PrimeGrid; LLR
n = 961888 289561 digits Aug 2012 Magnus Bergman; PSieve; srsieve; PrimeGrid; LLR
n = 1060467 319237 digits Apr 2013 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1207844 363602 digits Dec 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1245924 375065 digits Feb 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1687396 507961 digits Apr 2022 Honza Cholt; PPSE; PrimeGrid
k: 6743
max n: 2.373.373
n = 1 5 digits
n = 21 11 digits
n = 33 14 digits
n = 61 23 digits
n = 301 95 digits
n = 941 288 digits
n = 1101 336 digits
n = 2329 705 digits
n = 3457 1045 digits 1993 Jeffrey Young
n = 7673 2314 digits
n = 13285 4004 digits
n = 30597 9215 digits
n = 34293 10328 digits
n = 39793 11983 digits
n = 82517 24844 digits
n = 89721 27013 digits
n = 114593 34500 digits
n = 311877 93889 digits
n = 371257 111764 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 516061 155354 digits Jun 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1216377 366170 digits Dec 2013 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
k: 6745
max n: 2.372.895
n = 2 5 digits
n = 10 7 digits
n = 12 8 digits
n = 26 12 digits
n = 28 13 digits
n = 36 15 digits
n = 48 19 digits
n = 50 19 digits
n = 56 21 digits
n = 100 34 digits
n = 160 52 digits
n = 200 65 digits
n = 256 81 digits
n = 458 142 digits
n = 680 209 digits
n = 688 211 digits
n = 1228 374 digits
n = 1616 491 digits
n = 2080 630 digits
n = 2468 747 digits
n = 4892 1477 digits 1993 Jeffrey Young
n = 7348 2216 digits May 1996 Patrick Demichel
n = 9560 2882 digits
n = 10880 3280 digits
n = 11016 3320 digits
n = 11666 3516 digits
n = 13082 3942 digits
n = 14832 4469 digits
n = 16052 4836 digits
n = 24442 7362 digits Sep 1998 Baptiste Heyman; Proth
n = 35810 10784 digits
n = 36568 11012 digits
n = 40138 12087 digits
n = 45436 13682 digits
n = 57712 17377 digits
n = 74168 22331 digits
n = 76356 22990 digits
n = 96580 29078 digits
n = 97500 29355 digits
n = 107860 32473 digits
n = 126936 38216 digits
n = 227956 68626 digits
n = 363608 109461 digits May 2012 Brian Carpenter; PPSE; PrimeGrid
n = 523960 157732 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 584210 175869 digits Nov 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 608540 183193 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1384200 416690 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1484712 446947 digits Mar 2018 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 1744500 525151 digits May 2023 PPSE; PrimeGrid
n = 2111612 635663 digits Jan 2025 Willie Black; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6747
max n: 2.373.447
n = 10 7 digits
n = 11 8 digits
n = 20 10 digits
n = 28 13 digits
n = 67 24 digits
n = 76 27 digits
n = 92 32 digits
n = 182 59 digits
n = 515 159 digits
n = 550 170 digits
n = 1066 325 digits
n = 1796 545 digits
n = 2120 643 digits
n = 2920 883 digits
n = 3016 912 digits
n = 4018 1214 digits 1993 Jeffrey Young
n = 9766 2944 digits
n = 19480 5868 digits
n = 21371 6438 digits
n = 28654 8630 digits
n = 50956 15344 digits
n = 56800 17103 digits
n = 68692 20683 digits
n = 76187 22939 digits
n = 242206 72916 digits
n = 375448 113025 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 392380 118122 digits Jul 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 428531 129005 digits Nov 2012 Jörg Meili; PPSE; PrimeGrid
n = 592636 178406 digits Dec 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1202218 361908 digits Dec 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1505542 453218 digits Nov 2018 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 2308060 694800 digits Sep 2025 Emil Hristoskov; PPSE; PrimeGrid
k: 6749
max n: 2.372.556
n = 1 5 digits
n = 3 5 digits
n = 9 7 digits
n = 11 8 digits
n = 19 10 digits
n = 31 14 digits
n = 47 18 digits
n = 93 32 digits
n = 117 40 digits
n = 145 48 digits
n = 211 68 digits
n = 225 72 digits
n = 247 79 digits
n = 255 81 digits
n = 309 97 digits
n = 1947 590 digits
n = 2065 626 digits
n = 2529 766 digits
n = 4127 1247 digits 1993 Jeffrey Young
n = 7467 2252 digits May 1996 Patrick Demichel
n = 10343 3118 digits
n = 10635 3206 digits
n = 20507 6178 digits
n = 27037 8143 digits
n = 27555 8299 digits
n = 46179 13906 digits
n = 50531 15216 digits
n = 63675 19172 digits
n = 88825 26743 digits
n = 402771 121250 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 465319 140079 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 1308921 394029 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1340411 403508 digits Jun 2015 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1683237 506709 digits Apr 2022 Honza Cholt; PPSE; PrimeGrid
k: 6751
max n: 2.372.839
n = 8 7 digits
n = 24 12 digits
n = 60 22 digits
n = 104 36 digits
n = 236 75 digits
n = 440 137 digits
n = 1724 523 digits
n = 1884 571 digits
n = 29240 8806 digits
n = 36108 10874 digits
n = 46404 13973 digits
n = 291204 87665 digits
n = 852624 256670 digits May 2012 Samuel Fortin; PSieve; srsieve; PrimeGrid; LLR
n = 1185888 356992 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1569384 472436 digits Feb 2020 Christian Klucken; PSieve; srsieve; PrimeGrid; LLR
n = 2309868 695344 digits Sep 2025 John Morriss; PPSE; PrimeGrid
k: 6753
max n: 2.373.155
n = 9 7 digits
n = 12 8 digits
n = 57 21 digits
n = 436 136 digits
n = 1246 379 digits
n = 1884 571 digits
n = 2944 891 digits
n = 3024 915 digits
n = 3285 993 digits
n = 5164 1559 digits
n = 6622 1998 digits
n = 11937 3598 digits
n = 16317 4916 digits
n = 35116 10575 digits
n = 83172 25042 digits
n = 85822 25839 digits
n = 88824 26743 digits
n = 112648 33915 digits
n = 223374 67247 digits
n = 650086 195700 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 905529 272596 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1869988 562927 digits Feb 2024 Mike Doneske; PPSE; PrimeGrid
k: 6755
max n: 2.372.776
n = 7 6 digits
n = 21 11 digits
n = 37 15 digits
n = 43 17 digits
n = 67 24 digits
n = 73 26 digits
n = 79 28 digits
n = 107 37 digits
n = 137 46 digits
n = 163 53 digits
n = 213 68 digits
n = 277 88 digits
n = 281 89 digits
n = 437 136 digits
n = 1093 333 digits
n = 1519 462 digits
n = 1617 491 digits
n = 1883 571 digits
n = 2477 750 digits
n = 3697 1117 digits 1993 Jeffrey Young
n = 5167 1560 digits
n = 5377 1623 digits
n = 7511 2265 digits
n = 9191 2771 digits
n = 17569 5293 digits
n = 18203 5484 digits
n = 23243 7001 digits
n = 50961 15345 digits
n = 90923 27375 digits
n = 259487 78118 digits
n = 272597 82064 digits
n = 319903 96305 digits
n = 374027 112598 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 569141 171333 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 767013 230898 digits Mar 2012 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 952321 286682 digits Jul 2012 Takeshi Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 1516697 456576 digits Feb 2019 Bryan Little; PSieve; srsieve; PrimeGrid; LLR
k: 6757
max n: 2.372.833
n = 6 6 digits
n = 24 12 digits
n = 26 12 digits
n = 52 20 digits
n = 106 36 digits
n = 172 56 digits
n = 186 60 digits
n = 484 150 digits
n = 492 152 digits
n = 646 199 digits
n = 926 283 digits
n = 946 289 digits
n = 1054 322 digits
n = 2646 801 digits
n = 4362 1317 digits 1993 Jeffrey Young
n = 5302 1600 digits
n = 7138 2153 digits
n = 16766 5051 digits
n = 18666 5623 digits
n = 116134 34964 digits
n = 139214 41912 digits
n = 272474 82027 digits
n = 424284 127727 digits Nov 2012 Bart Kus; PPSE; PrimeGrid
n = 1416084 426288 digits Jul 2016 Chris Henseler; PSieve; srsieve; PrimeGrid; LLR
n = 1973004 593938 digits Jun 2024 Adrian Schori; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6759
max n: 2.372.924
n = 5 6 digits
n = 6 6 digits
n = 7 6 digits
n = 9 7 digits
n = 19 10 digits
n = 26 12 digits
n = 29 13 digits
n = 35 15 digits
n = 43 17 digits
n = 45 18 digits
n = 53 20 digits
n = 65 24 digits
n = 73 26 digits
n = 85 30 digits
n = 87 31 digits
n = 95 33 digits
n = 103 35 digits
n = 105 36 digits
n = 106 36 digits
n = 150 49 digits
n = 187 61 digits
n = 199 64 digits
n = 275 87 digits
n = 310 98 digits
n = 319 100 digits
n = 338 106 digits
n = 373 117 digits
n = 613 189 digits
n = 986 301 digits
n = 1127 344 digits
n = 1402 426 digits
n = 1925 584 digits
n = 2022 613 digits
n = 2238 678 digits
n = 2667 807 digits
n = 3594 1086 digits 1993 Jeffrey Young
n = 3814 1152 digits 1993 Jeffrey Young
n = 4955 1496 digits 1993 Jeffrey Young
n = 6179 1864 digits
n = 6447 1945 digits
n = 6525 1969 digits
n = 6782 2046 digits
n = 7585 2288 digits
n = 10482 3160 digits
n = 11426 3444 digits
n = 11855 3573 digits
n = 19135 5765 digits
n = 22177 6680 digits
n = 27617 8318 digits
n = 49282 14840 digits
n = 89205 26858 digits
n = 111450 33554 digits
n = 171215 51545 digits
n = 181945 54775 digits
n = 195233 58775 digits
n = 197543 59471 digits
n = 206438 62148 digits
n = 222238 66905 digits
n = 229183 68995 digits
n = 291043 87617 digits
n = 300767 90544 digits
n = 434654 130848 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 567107 170721 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 588345 177114 digits Dec 2010 Ian Dickinson; PSieve; srsieve; PrimeGrid; LLR
n = 686773 206744 digits Sep 2011 John Utsey; PSieve; srsieve; PrimeGrid; LLR
n = 1096423 330061 digits May 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1198450 360774 digits Nov 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1217767 366589 digits Dec 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1355406 408022 digits Sep 2015 Michael C Leung; PSieve; srsieve; PrimeGrid; LLR
n = 1595218 480213 digits Sep 2020 James Schumacher; PSieve; srsieve; PrimeGrid; LLR
n = 1776419 534760 digits Nov 2023 Brian Parsonnet; PPSE; PrimeGrid
k: 6761
max n: 2.372.806
n = 1 5 digits
n = 7 6 digits
n = 35 15 digits
n = 49 19 digits
n = 79 28 digits
n = 161 53 digits
n = 263 84 digits
n = 289 91 digits
n = 505 156 digits
n = 3367 1018 digits 1993 Jeffrey Young
n = 3593 1086 digits 1993 Jeffrey Young
n = 4571 1380 digits 1993 Jeffrey Young
n = 13699 4128 digits
n = 18013 5427 digits
n = 32651 9833 digits
n = 57295 17252 digits
n = 94711 28515 digits
n = 455155 137020 digits May 2009 Valter Cavecchia; srsieve; PrimeGrid; LLR
n = 1784675 537245 digits Dec 2023 Kai Presler; PPSE; PrimeGrid
k: 6763
max n: 2.372.805
n = 6 6 digits
n = 16 9 digits
n = 20 10 digits
n = 34 15 digits
n = 42 17 digits
n = 78 28 digits
n = 156 51 digits
n = 214 69 digits
n = 510 158 digits
n = 646 199 digits
n = 1434 436 digits
n = 1504 457 digits
n = 1544 469 digits
n = 1556 473 digits
n = 2172 658 digits
n = 9656 2911 digits
n = 11454 3452 digits
n = 12094 3645 digits
n = 24404 7351 digits Jun 1998 Baptiste Heyman; Proth
n = 27152 8178 digits
n = 47974 14446 digits
n = 58042 17477 digits
n = 74244 22354 digits
n = 82248 24763 digits
n = 169208 50941 digits
n = 171426 51609 digits
n = 194214 58469 digits
n = 303692 91425 digits
n = 965508 290651 digits Aug 2012 Michael R. McPherson; PSieve; srsieve; PrimeGrid; LLR
n = 1496940 450628 digits Jul 2018 Trevor Swann; PSieve; srsieve; PrimeGrid; LLR
k: 6765
max n: 2.372.971
n = 2 5 digits
n = 3 5 digits
n = 5 6 digits
n = 6 6 digits
n = 20 10 digits
n = 26 12 digits
n = 30 13 digits
n = 47 18 digits
n = 60 22 digits
n = 68 25 digits
n = 75 27 digits
n = 84 30 digits
n = 140 46 digits
n = 162 53 digits
n = 167 55 digits
n = 183 59 digits
n = 215 69 digits
n = 266 84 digits
n = 314 99 digits
n = 530 164 digits
n = 548 169 digits
n = 620 191 digits
n = 651 200 digits
n = 689 212 digits
n = 821 251 digits
n = 860 263 digits
n = 998 305 digits
n = 1265 385 digits
n = 1487 452 digits
n = 1601 486 digits
n = 1722 523 digits
n = 2612 791 digits
n = 2730 826 digits
n = 3179 961 digits
n = 5780 1744 digits
n = 5844 1764 digits
n = 7644 2305 digits
n = 8963 2702 digits
n = 10034 3025 digits
n = 13070 3939 digits
n = 13382 4033 digits
n = 13719 4134 digits
n = 16668 5022 digits
n = 23594 7107 digits
n = 46770 14084 digits
n = 52446 15792 digits
n = 62177 18721 digits
n = 62822 18916 digits
n = 66620 20059 digits
n = 233228 70213 digits
n = 283878 85460 digits
n = 323079 97261 digits
n = 347570 104633 digits Apr 2012 Brian Carpenter; PPSE; PrimeGrid
n = 359069 108095 digits May 2012 PPSE; PrimeGrid
n = 367202 110543 digits May 2012 PPSE; PrimeGrid
n = 457226 137643 digits Jun 2009 Rodger M. Ewing; srsieve; PrimeGrid; LLR
n = 686387 206627 digits Aug 2011 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 780815 235053 digits Feb 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 1113678 335255 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1320548 397529 digits Mar 2015 Edvin Grabar; PSieve; srsieve; PrimeGrid; LLR
n = 1416567 426433 digits Aug 2016 Don Palmer; PSieve; srsieve; PrimeGrid; LLR
n = 1751765 527338 digits Jun 2023 Gregory Bennett; PPSE; PrimeGrid
k: 6767
max n: 2.373.135
n = 279 88 digits
n = 7995 2411 digits
n = 52359 15766 digits
n = 99807 30049 digits
n = 114771 34554 digits
k: 6769
max n: 2.373.450
n = 2 5 digits
n = 74 27 digits
n = 290 92 digits
n = 1422 432 digits
n = 1518 461 digits
n = 1574 478 digits
n = 5886 1776 digits
n = 8126 2451 digits
n = 16494 4970 digits
n = 18398 5543 digits
n = 25278 7614 digits
n = 35454 10677 digits
n = 93786 28237 digits
n = 99746 30031 digits
n = 220398 66351 digits
n = 476094 143323 digits Oct 2009 Harald Steen; srsieve; PrimeGrid; LLR
n = 2187978 658651 digits Feb 2025 Christian Carquillat; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6771
max n: 2.372.550
n = 7 6 digits
n = 17 9 digits
n = 19 10 digits
n = 20 10 digits
n = 24 12 digits
n = 27 12 digits
n = 33 14 digits
n = 60 22 digits
n = 69 25 digits
n = 112 38 digits
n = 123 41 digits
n = 231 74 digits
n = 245 78 digits
n = 257 82 digits
n = 261 83 digits
n = 317 100 digits
n = 328 103 digits
n = 343 108 digits
n = 564 174 digits
n = 569 176 digits
n = 700 215 digits
n = 873 267 digits
n = 1140 348 digits
n = 2032 616 digits
n = 3624 1095 digits 1993 Jeffrey Young
n = 5012 1513 digits
n = 6125 1848 digits
n = 6661 2009 digits Mar 1996 Patrick Demichel
n = 7572 2284 digits
n = 7668 2313 digits
n = 9540 2876 digits
n = 13804 4160 digits
n = 14649 4414 digits Feb 1998 Baptiste Heyman; Proth
n = 14992 4517 digits
n = 15804 4762 digits
n = 16579 4995 digits
n = 19432 5854 digits
n = 20032 6035 digits
n = 21231 6395 digits
n = 34989 10537 digits
n = 37360 11251 digits
n = 38933 11724 digits
n = 39343 11848 digits
n = 40893 12314 digits
n = 43844 13203 digits
n = 52101 15688 digits
n = 61140 18409 digits
n = 77905 23456 digits
n = 80681 24292 digits
n = 102160 30758 digits
n = 109664 33016 digits
n = 109912 33091 digits
n = 140460 42287 digits
n = 211344 63625 digits
n = 224377 67549 digits
n = 250121 75298 digits
n = 262807 79117 digits
n = 271220 81650 digits
n = 286325 86197 digits
n = 364781 109814 digits May 2012 PPSE; PrimeGrid
n = 372489 112135 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 468944 141171 digits Oct 2009 Takanori Morinaga; srsieve; PrimeGrid; LLR
n = 540449 162696 digits Aug 2010 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 982347 295720 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1149099 345918 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1241653 373779 digits Jan 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1280821 385570 digits Jun 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1375217 413986 digits Jan 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1406280 423337 digits May 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1614965 486157 digits Jan 2021 Edward McKernan; PSieve; srsieve; PrimeGrid; LLR
n = 2040169 614156 digits Jan 2025 Pauli Väisänen; PPSE; PrimeGrid
n = 2169367 653049 digits
k: 6773
max n: 2.373.417
n = 49 19 digits
n = 57 21 digits
n = 909 278 digits
n = 15117 4555 digits
n = 55057 16578 digits
n = 138585 41723 digits
n = 239245 72024 digits
k: 6775
max n: 2.372.965
n = 4 6 digits
n = 8 7 digits
n = 34 15 digits
n = 92 32 digits
n = 112 38 digits
n = 824 252 digits
n = 826 253 digits
n = 1234 376 digits
n = 2078 630 digits
n = 2656 804 digits
n = 2866 867 digits
n = 89528 26955 digits
n = 161018 48476 digits
n = 248054 74676 digits
n = 332138 99988 digits
n = 334664 100748 digits Apr 2012 Göran Schmidt; PPSE; PrimeGrid
n = 450118 135503 digits Apr 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 460444 138612 digits Jul 2009 Werner Soika; srsieve; PrimeGrid; LLR
n = 529054 159265 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 902258 271611 digits Jun 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1061084 319422 digits Apr 2013 Andrew Gockel; PSieve; srsieve; PrimeGrid; LLR
k: 6777
max n: 2.372.491
n = 2 5 digits
n = 3 5 digits
n = 6 6 digits
n = 7 6 digits
n = 10 7 digits
n = 20 10 digits
n = 42 17 digits
n = 60 22 digits
n = 62 23 digits
n = 71 26 digits
n = 92 32 digits
n = 98 34 digits
n = 103 35 digits
n = 111 38 digits
n = 156 51 digits
n = 167 55 digits
n = 170 56 digits
n = 174 57 digits
n = 267 85 digits
n = 291 92 digits
n = 314 99 digits
n = 330 104 digits
n = 510 158 digits
n = 570 176 digits
n = 622 192 digits
n = 636 196 digits
n = 699 215 digits
n = 840 257 digits
n = 1224 373 digits
n = 1507 458 digits
n = 1736 527 digits
n = 3030 916 digits
n = 4767 1439 digits 1993 Jeffrey Young
n = 4976 1502 digits 1993 Jeffrey Young
n = 5190 1567 digits
n = 6126 1848 digits
n = 7099 2141 digits
n = 7688 2319 digits
n = 9524 2871 digits
n = 10454 3151 digits
n = 10982 3310 digits
n = 12054 3633 digits
n = 18463 5562 digits
n = 18790 5661 digits
n = 23938 7210 digits
n = 24814 7474 digits
n = 26874 8094 digits
n = 29646 8929 digits
n = 47251 14228 digits
n = 54044 16273 digits
n = 61051 18383 digits
n = 185012 55698 digits
n = 247830 74609 digits
n = 260864 78532 digits
n = 285202 85859 digits
n = 324996 97838 digits
n = 335446 100984 digits Apr 2012 Bill Sugino; PPSE; PrimeGrid
n = 342106 102988 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 374900 112860 digits Jun 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 468312 140980 digits Sep 2009 Mirko Wunder; srsieve; PrimeGrid; LLR
n = 590936 177894 digits Dec 2010 Peter Tibbott; PSieve; srsieve; PrimeGrid; LLR
n = 616092 185467 digits Jan 2011 Michał Gasewicz; PSieve; srsieve; PrimeGrid; LLR
n = 757154 227930 digits Feb 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1015567 305720 digits Oct 2012 Ken Barker; PSieve; srsieve; PrimeGrid; LLR
n = 1095254 329709 digits May 2013 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1305656 393046 digits Feb 2015 Carlos Loureiro; PSieve; srsieve; PrimeGrid; LLR
n = 1711976 515360 digits Oct 2022 Thomas Kelley; PPSE; PrimeGrid
n = 1808018 544272 digits Jan 2024 PPSE; PrimeGrid
k: 6779
max n: 2.373.298
n = 33 14 digits
n = 39 16 digits
n = 95 33 digits
n = 113 38 digits
n = 165 54 digits
n = 359 112 digits
n = 465 144 digits
n = 501 155 digits
n = 603 186 digits
n = 1499 456 digits
n = 2109 639 digits
n = 2193 664 digits
n = 2511 760 digits
n = 2775 840 digits
n = 3501 1058 digits 1993 Jeffrey Young
n = 5121 1546 digits
n = 5781 1745 digits
n = 12189 3674 digits
n = 55595 16740 digits
n = 65069 19592 digits
n = 150869 45420 digits
n = 206613 62201 digits
n = 346595 104340 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 497789 149854 digits Jun 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 658389 198199 digits Mar 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1081919 325694 digits Apr 2013 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 3326639 1001422 digits Jan 2020 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
k: 6781
max n: 2.373.408
n = 4 6 digits
n = 48 19 digits
n = 396 124 digits
n = 544 168 digits
n = 6688 2018 digits Mar 1996 Patrick Demichel
n = 12168 3667 digits
n = 21936 6608 digits
n = 54568 16431 digits
n = 77788 23421 digits
n = 103944 31295 digits
n = 591156 177960 digits Dec 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 777448 234039 digits Feb 2012 Michael Spall; PSieve; srsieve; PrimeGrid; LLR
k: 6783
max n: 2.372.895
n = 1 5 digits
n = 4 6 digits
n = 5 6 digits
n = 6 6 digits
n = 9 7 digits
n = 12 8 digits
n = 17 9 digits
n = 33 14 digits
n = 42 17 digits
n = 50 19 digits
n = 53 20 digits
n = 60 22 digits
n = 105 36 digits
n = 117 40 digits
n = 129 43 digits
n = 276 87 digits
n = 365 114 digits
n = 376 118 digits
n = 457 142 digits
n = 504 156 digits
n = 589 182 digits
n = 690 212 digits
n = 806 247 digits
n = 904 276 digits
n = 1050 320 digits
n = 1325 403 digits
n = 1336 407 digits
n = 2333 707 digits
n = 2445 740 digits
n = 2476 750 digits
n = 2989 904 digits
n = 3352 1013 digits 1993 Jeffrey Young
n = 7990 2410 digits
n = 14169 4270 digits
n = 16145 4864 digits
n = 16920 5098 digits
n = 31500 9487 digits
n = 35472 10682 digits
n = 58456 17601 digits
n = 61790 18605 digits
n = 70182 21131 digits
n = 81842 24641 digits
n = 121740 36652 digits
n = 178689 53795 digits
n = 186277 56079 digits
n = 189341 57002 digits Aug 2004 Henry Hamilton; Proth
n = 207573 62490 digits
n = 332789 100184 digits Apr 2012 Patrick Schöfer; PPSE; PrimeGrid
n = 550260 165649 digits Sep 2010 Anton Singsø; PSieve; srsieve; PrimeGrid; LLR
n = 599557 180489 digits Jan 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 812692 244649 digits Mar 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1019449 306889 digits Oct 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1239565 373151 digits Jan 2014 Philip Englehard; PSieve; srsieve; PrimeGrid; LLR
n = 1980310 596137 digits Jul 2024 Yegor Ryabchikov; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1990745 599278 digits Sep 2024 Samuel Williams ; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2365710 712154 digits May 2026 Mikko-Pekka Leinonen; PPSE; PrimeGrid
n = 3410690 1026724 digits Mar 2022 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3430781 1032772 digits Aug 2022 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6785
max n: 2.372.916
n = 5 6 digits
n = 17 9 digits
n = 37 15 digits
n = 45 18 digits
n = 47 18 digits
n = 55 21 digits
n = 117 40 digits
n = 137 46 digits
n = 231 74 digits
n = 415 129 digits
n = 465 144 digits
n = 485 150 digits
n = 607 187 digits
n = 855 262 digits
n = 945 289 digits
n = 7335 2212 digits May 1996 Patrick Demichel
n = 20105 6057 digits
n = 39177 11798 digits
n = 83767 25221 digits
n = 101237 30480 digits
n = 107031 32224 digits
n = 370767 111616 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 510885 153796 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 660735 198905 digits Apr 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 682017 205312 digits Aug 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 788447 237351 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 788597 237396 digits Mar 2012 Paulo Valdivieso; PSieve; srsieve; PrimeGrid; LLR
n = 894207 269187 digits Jun 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 1696225 510619 digits Jun 2022 Honza Cholt; PPSE; PrimeGrid
n = 1704527 513118 digits Jul 2022 PPSE; PrimeGrid
k: 6787
max n: 2.373.267
n = 20 10 digits
n = 40 16 digits
n = 120 40 digits
n = 320 101 digits
n = 1120 341 digits
n = 1172 357 digits
n = 1990 603 digits
n = 4048 1223 digits 1993 Jeffrey Young
n = 32812 9882 digits
n = 48550 14619 digits
n = 189748 57124 digits
n = 231168 69593 digits
n = 274680 82691 digits
n = 490552 147675 digits Feb 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1721928 518356 digits Dec 2022 Michael Millerick; PPSE; PrimeGrid
k: 6789
max n: 2.372.562
n = 7 6 digits
n = 19 10 digits
n = 53 20 digits
n = 95 33 digits
n = 101 35 digits
n = 113 38 digits
n = 119 40 digits
n = 133 44 digits
n = 169 55 digits
n = 286 90 digits
n = 329 103 digits
n = 473 147 digits
n = 1031 315 digits
n = 1703 517 digits
n = 2023 613 digits
n = 7649 2307 digits
n = 13993 4217 digits
n = 29866 8995 digits
n = 30238 9107 digits
n = 34291 10327 digits
n = 46702 14063 digits
n = 64919 19547 digits
n = 144155 43399 digits
n = 168725 50796 digits
n = 196889 59274 digits
n = 223198 67194 digits
n = 236122 71084 digits
n = 266699 80289 digits
n = 350483 105510 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 641729 193184 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 686129 206550 digits Aug 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 714845 215194 digits Nov 2011 Ernst Fluttert; PSieve; srsieve; PrimeGrid; LLR
n = 972766 292836 digits Aug 2012 Jens Wilke; PSieve; srsieve; PrimeGrid; LLR
n = 1070213 322171 digits Apr 2013 Dave Wintrip; PSieve; srsieve; PrimeGrid; LLR
n = 1731521 521244 digits Jan 2023 Lukasz Piotrowski; PPSE; PrimeGrid
n = 1796182 540709 digits Jan 2024 Dr. James Scott Brown; PPSE; PrimeGrid
k: 6791
max n: 2.372.650
n = 5 6 digits
n = 7 6 digits
n = 35 15 digits
n = 39 16 digits
n = 79 28 digits
n = 179 58 digits
n = 191 62 digits
n = 349 109 digits
n = 627 193 digits
n = 805 247 digits
n = 1699 516 digits
n = 3047 922 digits
n = 3431 1037 digits 1993 Jeffrey Young
n = 4307 1301 digits 1993 Jeffrey Young
n = 4515 1363 digits 1993 Jeffrey Young
n = 4551 1374 digits 1993 Jeffrey Young
n = 10517 3170 digits
n = 11307 3408 digits
n = 16771 5053 digits
n = 18475 5566 digits
n = 35869 10802 digits
n = 40069 12066 digits
n = 53651 16155 digits
n = 79527 23944 digits
n = 89587 26973 digits
n = 106451 32049 digits
n = 107375 32327 digits
n = 235709 70960 digits
n = 679741 204627 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 750725 225995 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 790547 237983 digits Mar 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 796051 239640 digits Mar 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1057877 318457 digits Apr 2013 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1159829 349148 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2194239 660536 digits Feb 2025 William Dean; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6793
max n: 2.373.059
n = 8 7 digits
n = 20 10 digits
n = 32 14 digits
n = 38 16 digits
n = 60 22 digits
n = 68 25 digits
n = 90 31 digits
n = 120 40 digits
n = 138 46 digits
n = 174 57 digits
n = 242 77 digits
n = 302 95 digits
n = 528 163 digits
n = 1224 373 digits
n = 1440 438 digits
n = 5484 1655 digits
n = 5598 1689 digits
n = 9518 2870 digits
n = 14612 4403 digits
n = 17040 5134 digits
n = 75830 22831 digits
n = 78972 23777 digits
n = 83900 25261 digits
n = 89688 27003 digits
n = 139122 41884 digits
n = 204692 61623 digits
n = 232730 70063 digits
n = 302502 91067 digits
n = 334160 100597 digits Apr 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 491720 148027 digits Mar 2010 Duane McElvain; PSieve; srsieve; PrimeGrid; LLR
n = 1630260 490761 digits Feb 2021 Bryan Little; PSieve; srsieve; PrimeGrid; LLR
k: 6795
max n: 2.372.990
n = 1 5 digits
n = 3 5 digits
n = 6 6 digits
n = 13 8 digits
n = 18 10 digits
n = 19 10 digits
n = 40 16 digits
n = 45 18 digits
n = 85 30 digits
n = 109 37 digits
n = 165 54 digits
n = 199 64 digits
n = 220 71 digits
n = 243 77 digits
n = 249 79 digits
n = 306 96 digits
n = 355 111 digits
n = 366 115 digits
n = 556 172 digits
n = 643 198 digits
n = 846 259 digits
n = 849 260 digits
n = 913 279 digits
n = 1437 437 digits
n = 1540 468 digits
n = 1963 595 digits
n = 2310 700 digits
n = 4573 1381 digits 1993 Jeffrey Young
n = 4936 1490 digits 1993 Jeffrey Young
n = 8371 2524 digits
n = 9504 2865 digits
n = 9595 2893 digits
n = 11701 3527 digits
n = 12570 3788 digits
n = 22749 6852 digits
n = 22756 6855 digits
n = 32118 9673 digits
n = 35944 10825 digits
n = 36360 10950 digits
n = 39247 11819 digits
n = 46975 14145 digits
n = 66520 20029 digits
n = 75253 22658 digits
n = 75933 22862 digits
n = 109467 32957 digits
n = 175500 52835 digits
n = 242391 72971 digits
n = 331617 99831 digits
n = 425191 128000 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 455356 137080 digits May 2009 Simon Yakovlev; srsieve; PrimeGrid; LLR
n = 578371 174111 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 802831 241681 digits Mar 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 995895 299799 digits Sep 2012 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1166560 351174 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1271503 382765 digits May 2014 Ralf Hentrich; PSieve; srsieve; PrimeGrid; LLR
n = 1363051 410324 digits Oct 2015 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
k: 6797
max n: 2.373.254
n = 3 5 digits
n = 19 10 digits
n = 27 12 digits
n = 43 17 digits
n = 63 23 digits
n = 123 41 digits
n = 691 212 digits
n = 943 288 digits
n = 1291 393 digits
n = 4003 1209 digits 1993 Jeffrey Young
n = 10399 3135 digits
n = 11079 3339 digits
n = 28659 8632 digits
n = 45991 13849 digits
n = 81459 24526 digits
n = 136399 41065 digits
n = 196587 59183 digits
n = 279139 84034 digits
n = 502783 151357 digits May 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 701335 211127 digits Sep 2011 Marcin Ejdys; PSieve; srsieve; PrimeGrid; LLR
n = 722971 217640 digits Nov 2011 Christophe Hippeau; PSieve; srsieve; PrimeGrid; LLR
k: 6799
max n: 2.372.709
n = 2 5 digits
n = 54 21 digits
n = 90 31 digits
n = 110 37 digits
n = 158 52 digits
n = 194 63 digits
n = 234 75 digits
n = 246 78 digits
n = 282 89 digits
n = 414 129 digits
n = 914 279 digits
n = 1694 514 digits
n = 2686 813 digits
n = 5782 1745 digits
n = 9850 2969 digits
n = 45654 13748 digits
n = 73198 22039 digits
n = 168618 50763 digits
n = 370326 111484 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 425254 128019 digits Nov 2012 John Murphy; PPSE; PrimeGrid
n = 1591194 479001 digits Sep 2020 Frederik Schiøler; PSieve; srsieve; PrimeGrid; LLR
k: 6801
max n: 2.372.071
n = 3 5 digits
n = 11 8 digits
n = 31 14 digits
n = 39 16 digits
n = 45 18 digits
n = 59 22 digits
n = 69 25 digits
n = 85 30 digits
n = 105 36 digits
n = 111 38 digits
n = 279 88 digits
n = 285 90 digits
n = 339 106 digits
n = 344 108 digits
n = 992 303 digits
n = 1089 332 digits
n = 1329 404 digits
n = 1451 441 digits
n = 1511 459 digits
n = 1960 594 digits
n = 2559 775 digits
n = 2831 857 digits
n = 8703 2624 digits
n = 8759 2641 digits
n = 16531 4981 digits
n = 21705 6538 digits
n = 31623 9524 digits
n = 71091 21405 digits
n = 71439 21510 digits
n = 128279 38620 digits
n = 142943 43034 digits
n = 146169 44006 digits
n = 164463 49513 digits
n = 205512 61870 digits
n = 216675 65230 digits
n = 544575 163938 digits Aug 2010 Alejandro Tau; PSieve; srsieve; PrimeGrid; LLR
n = 1024705 308471 digits Oct 2012 Kimmo Myllyvirta; PSieve; srsieve; PrimeGrid; LLR
n = 1573945 473809 digits Feb 2020 Ian Dickinson; PSieve; srsieve; PrimeGrid; LLR
n = 1896599 570938 digits Feb 2024 Bob Calvin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6803
max n: 2.373.232
n = 5 6 digits
n = 169 55 digits
n = 433 135 digits
n = 937 286 digits
n = 1385 421 digits
n = 9749 2939 digits
n = 48617 14640 digits
n = 111785 33655 digits
n = 2133065 642121 digits Jan 2025 Charlotte Woodrow; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6805
max n: 2.372.709
n = 4 6 digits
n = 26 12 digits
n = 52 20 digits
n = 62 23 digits
n = 106 36 digits
n = 130 43 digits
n = 156 51 digits
n = 166 54 digits
n = 236 75 digits
n = 404 126 digits
n = 892 273 digits
n = 1794 544 digits
n = 2014 611 digits
n = 3770 1139 digits 1993 Jeffrey Young
n = 4270 1290 digits 1993 Jeffrey Young
n = 4932 1489 digits 1993 Jeffrey Young
n = 6610 1994 digits
n = 9234 2784 digits
n = 10064 3034 digits
n = 10246 3089 digits
n = 19746 5948 digits
n = 23010 6931 digits
n = 26416 7956 digits
n = 28714 8648 digits
n = 38306 11536 digits
n = 58296 17553 digits
n = 127792 38474 digits
n = 140544 42312 digits
n = 172394 51900 digits
n = 190266 57280 digits
n = 793754 238948 digits Mar 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1102864 331999 digits Jul 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1178534 354778 digits Oct 2013 Jesper Hedlund; PSieve; srsieve; PrimeGrid; LLR
n = 1535312 462179 digits Apr 2019 Louis Helm; PSieve; srsieve; PrimeGrid; LLR
k: 6807
max n: 2.372.945
n = 6 6 digits
n = 8 7 digits
n = 14 9 digits
n = 26 12 digits
n = 96 33 digits
n = 98 34 digits
n = 120 40 digits
n = 228 73 digits
n = 348 109 digits
n = 548 169 digits
n = 732 225 digits
n = 1484 451 digits
n = 3560 1076 digits 1993 Jeffrey Young
n = 4415 1333 digits 1993 Jeffrey Young
n = 4595 1388 digits 1993 Jeffrey Young
n = 6740 2033 digits
n = 20264 6104 digits
n = 22832 6877 digits 1996 Patrick Demichel
n = 24252 7305 digits
n = 27042 8145 digits
n = 40991 12344 digits
n = 51431 15487 digits
n = 85346 25696 digits
n = 119082 35852 digits
n = 121446 36563 digits
n = 529806 159492 digits Jul 2010 Maciej Kowalik; PSieve; srsieve; PrimeGrid; LLR
n = 586286 176494 digits Dec 2010 Sebastian Lietz; PSieve; srsieve; PrimeGrid; LLR
n = 612948 184520 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 633036 190567 digits Feb 2011 Scott Marshall; PSieve; srsieve; PrimeGrid; LLR
n = 684138 205950 digits Aug 2011 Quasar Liao; PSieve; srsieve; PrimeGrid; LLR
n = 730700 219967 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 1867902 562299 digits Feb 2024 Greg Miller; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2125931 639973 digits Jan 2025 Jens Katzur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6809
max n: 2.373.385
n = 1 5 digits
n = 7 6 digits
n = 9 7 digits
n = 25 12 digits
n = 225 72 digits
n = 265 84 digits
n = 369 115 digits
n = 655 202 digits
n = 715 220 digits
n = 943 288 digits
n = 2313 701 digits
n = 2521 763 digits
n = 2569 778 digits
n = 4651 1404 digits 1993 Jeffrey Young
n = 5145 1553 digits
n = 5443 1643 digits
n = 10891 3283 digits
n = 13635 4109 digits
n = 28243 8506 digits
n = 40399 12166 digits
n = 46723 14069 digits
n = 85419 25718 digits
n = 140985 42445 digits
n = 163423 49200 digits
n = 227889 68606 digits
n = 254041 76478 digits
n = 759331 228586 digits Feb 2012 Lammert van der Veen; PSieve; srsieve; PrimeGrid; LLR
n = 1619793 487611 digits Feb 2021 Predrag Kurtovic; srsieve; PrimeGrid; LLR
k: 6811
max n: 2.373.267
n = 16 9 digits
n = 20 10 digits
n = 212 68 digits
n = 268 85 digits
n = 472 146 digits
n = 508 157 digits
n = 616 190 digits
n = 716 220 digits
n = 1772 538 digits
n = 1912 580 digits
n = 3496 1057 digits 1993 Jeffrey Young
n = 258280 77754 digits
n = 522128 157181 digits Jul 2010 Anthony Richardson; PSieve; srsieve; PrimeGrid; LLR
n = 531356 159958 digits Jul 2010 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 614000 184837 digits Jan 2011 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 1177220 354383 digits Oct 2013 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
k: 6813
max n: 2.373.107
n = 1 5 digits
n = 2 5 digits
n = 20 10 digits
n = 21 11 digits
n = 26 12 digits
n = 41 17 digits
n = 56 21 digits
n = 58 22 digits
n = 64 24 digits
n = 77 28 digits
n = 80 28 digits
n = 180 59 digits
n = 216 69 digits
n = 248 79 digits
n = 256 81 digits
n = 297 94 digits
n = 370 116 digits
n = 388 121 digits
n = 389 121 digits
n = 449 139 digits
n = 506 157 digits
n = 569 176 digits
n = 617 190 digits
n = 1021 312 digits
n = 1161 354 digits
n = 1421 432 digits
n = 1520 462 digits
n = 2456 744 digits
n = 2636 798 digits
n = 3520 1064 digits 1993 Jeffrey Young
n = 6226 1879 digits
n = 8105 2444 digits
n = 8842 2666 digits
n = 10240 3087 digits
n = 12680 3821 digits
n = 19490 5871 digits
n = 22066 6647 digits
n = 27349 8237 digits
n = 30157 9082 digits
n = 34372 10351 digits
n = 35341 10643 digits
n = 37501 11293 digits
n = 40106 12077 digits
n = 41864 12607 digits
n = 48388 14571 digits
n = 56524 17020 digits
n = 116917 35200 digits
n = 138348 41651 digits
n = 143282 43137 digits
n = 159372 47980 digits
n = 172668 51983 digits
n = 248817 74906 digits
n = 457069 137596 digits Jun 2009 Robert M Weis; srsieve; PrimeGrid; LLR
n = 485125 146042 digits Nov 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 938601 282551 digits Jul 2012 John T Marshall; PSieve; srsieve; PrimeGrid; LLR
n = 1002601 301817 digits Sep 2012 Marian Vicena; PSieve; srsieve; PrimeGrid; LLR
n = 1011250 304421 digits Oct 2012 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1095741 329855 digits May 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1115265 335733 digits Aug 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1313337 395358 digits Feb 2015 Sio Lon Fu; PSieve; srsieve; PrimeGrid; LLR
n = 1313469 395398 digits Feb 2015 Bill Cavnaugh; PSieve; srsieve; PrimeGrid; LLR
n = 1325757 399097 digits Mar 2015 Takashi Iwasaki; PSieve; srsieve; PrimeGrid; LLR
k: 6815
max n: 2.372.668
n = 3 5 digits
n = 5 6 digits
n = 17 9 digits
n = 21 11 digits
n = 27 12 digits
n = 69 25 digits
n = 101 35 digits
n = 203 65 digits
n = 269 85 digits
n = 369 115 digits
n = 397 124 digits
n = 529 164 digits
n = 609 188 digits
n = 857 262 digits
n = 1117 341 digits
n = 1145 349 digits
n = 1165 355 digits
n = 1561 474 digits
n = 2057 624 digits
n = 2585 782 digits
n = 3237 979 digits
n = 3507 1060 digits 1993 Jeffrey Young
n = 4851 1465 digits 1993 Jeffrey Young
n = 5645 1704 digits
n = 9729 2933 digits
n = 17313 5216 digits Jul 1996 Patrick Demichel
n = 19491 5872 digits
n = 46347 13956 digits
n = 76179 22936 digits
n = 123309 37124 digits
n = 152883 46027 digits
n = 157299 47356 digits
n = 226281 68122 digits
n = 531565 160021 digits Jul 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 542365 163272 digits Aug 2010 Enrique Gallinal; PSieve; srsieve; PrimeGrid; LLR
n = 925347 278562 digits Jun 2012 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
n = 3346045 1007264 digits Jan 2021 Andrzej Karpinski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6817
max n: 2.373.187
n = 4 6 digits
n = 8 7 digits
n = 10 7 digits
n = 20 10 digits
n = 26 12 digits
n = 44 18 digits
n = 46 18 digits
n = 50 19 digits
n = 86 30 digits
n = 136 45 digits
n = 740 227 digits
n = 1238 377 digits
n = 1246 379 digits
n = 2456 744 digits
n = 3404 1029 digits 1993 Jeffrey Young
n = 3476 1051 digits 1993 Jeffrey Young
n = 5270 1591 digits
n = 5518 1665 digits
n = 9206 2776 digits
n = 49124 14792 digits
n = 64256 19347 digits
n = 65354 19678 digits
n = 96218 28969 digits
n = 191890 57769 digits
n = 211436 63653 digits
n = 507860 152885 digits May 2010 Alexander Kappner; PSieve; srsieve; PrimeGrid; LLR
n = 560180 168635 digits Oct 2010 Ricky L Hubbard; PSieve; srsieve; PrimeGrid; LLR
n = 1302958 392234 digits Feb 2015 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1540336 463692 digits Jun 2019 Dennis Hutchins; PSieve; srsieve; PrimeGrid; LLR
n = 1654816 498154 digits Jan 2022 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 6819
max n: 2.372.528
n = 2 5 digits
n = 6 6 digits
n = 18 10 digits
n = 22 11 digits
n = 33 14 digits
n = 38 16 digits
n = 39 16 digits
n = 47 18 digits
n = 61 23 digits
n = 73 26 digits
n = 202 65 digits
n = 218 70 digits
n = 263 84 digits
n = 266 84 digits
n = 366 115 digits
n = 469 146 digits
n = 479 149 digits
n = 561 173 digits
n = 829 254 digits
n = 833 255 digits
n = 981 300 digits
n = 1226 373 digits
n = 1414 430 digits
n = 1494 454 digits
n = 1561 474 digits
n = 1622 493 digits
n = 2021 613 digits
n = 2426 735 digits
n = 3183 963 digits
n = 3702 1119 digits 1993 Jeffrey Young
n = 3877 1171 digits 1993 Jeffrey Young
n = 3921 1185 digits 1993 Jeffrey Young
n = 4202 1269 digits 1993 Jeffrey Young
n = 5079 1533 digits
n = 13042 3930 digits
n = 13294 4006 digits
n = 14321 4315 digits
n = 14463 4358 digits
n = 18837 5675 digits
n = 21774 6559 digits
n = 22789 6865 digits
n = 29247 8809 digits
n = 33697 10148 digits
n = 38297 11533 digits
n = 38334 11544 digits
n = 44766 13480 digits
n = 50638 15248 digits
n = 63429 19098 digits
n = 65013 19575 digits
n = 67166 20223 digits
n = 74309 22374 digits
n = 83093 25018 digits
n = 115422 34750 digits
n = 118841 35779 digits
n = 122753 36957 digits
n = 154101 46393 digits
n = 192647 57997 digits
n = 354738 106791 digits May 2012 PPSE; PrimeGrid
n = 391802 117948 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 683478 205752 digits Sep 2011 Carlos Jesus; PSieve; srsieve; PrimeGrid; LLR
n = 765829 230542 digits Feb 2012 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 874418 263230 digits May 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1249746 376215 digits Mar 2014 Joerg Gonder; PSieve; srsieve; PrimeGrid; LLR
n = 1286677 387333 digits Jul 2014 Choongkoo Park; PSieve; srsieve; PrimeGrid; LLR
n = 1917537 577240 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1936607 582981 digits Mar 2024 Robert Lacroix; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3353877 1009622 digits Feb 2021 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6821
max n: 2.373.369
n = 21 11 digits
n = 53 20 digits
n = 59 22 digits
n = 81 29 digits
n = 89 31 digits
n = 269 85 digits
n = 429 133 digits
n = 491 152 digits
n = 581 179 digits
n = 639 197 digits
n = 669 206 digits
n = 807 247 digits
n = 909 278 digits
n = 2453 743 digits
n = 3971 1200 digits 1993 Jeffrey Young
n = 9579 2888 digits
n = 11243 3389 digits May 1996 Patrick Demichel
n = 26133 7871 digits
n = 26601 8012 digits
n = 31817 9582 digits
n = 33947 10223 digits
n = 37233 11213 digits
n = 50807 15299 digits
n = 67199 20233 digits
n = 126177 37987 digits
n = 174567 52554 digits
n = 215583 64901 digits
n = 258413 77794 digits
n = 276581 83264 digits
n = 326793 98379 digits
n = 369363 111194 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 547761 164897 digits Sep 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 578559 174168 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 860601 259071 digits May 2012 Thibault Verhaeghe; PSieve; srsieve; PrimeGrid; LLR
n = 868983 261594 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1037003 312173 digits Jan 2013 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
k: 6823
max n: 2.373.267
n = 4 6 digits
n = 6 6 digits
n = 10 7 digits
n = 70 25 digits
n = 82 29 digits
n = 88 31 digits
n = 172 56 digits
n = 208 67 digits
n = 424 132 digits
n = 576 178 digits
n = 1066 325 digits
n = 1104 337 digits
n = 2562 776 digits
n = 2566 777 digits
n = 3070 928 digits
n = 3096 936 digits
n = 4830 1458 digits 1993 Jeffrey Young
n = 7872 2374 digits
n = 9942 2997 digits
n = 15678 4724 digits
n = 22732 6847 digits
n = 23412 7052 digits
n = 29314 8829 digits
n = 29442 8867 digits
n = 29716 8950 digits
n = 38232 11513 digits
n = 52524 15816 digits
n = 88408 26618 digits
n = 115314 34717 digits
n = 333766 100478 digits Apr 2012 Stefan Larsson; PPSE; PrimeGrid
n = 359350 108179 digits May 2012 PPSE; PrimeGrid
n = 629884 189618 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 675096 203228 digits Aug 2011 Reuben Gathright; PSieve; srsieve; PrimeGrid; LLR
n = 798264 240306 digits Mar 2012 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1091800 328669 digits May 2013 Ron Wijnen; PSieve; srsieve; PrimeGrid; LLR
n = 2261292 680721 digits Mar 2025 Fangping Wen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3344692 1006857 digits Jan 2021 Federico Vera; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6825
max n: 2.372.414
n = 3 5 digits
n = 4 6 digits
n = 5 6 digits
n = 6 6 digits
n = 8 7 digits
n = 12 8 digits
n = 16 9 digits
n = 22 11 digits
n = 27 12 digits
n = 30 13 digits
n = 38 16 digits
n = 42 17 digits
n = 60 22 digits
n = 84 30 digits
n = 110 37 digits
n = 146 48 digits
n = 162 53 digits
n = 188 61 digits
n = 204 66 digits
n = 242 77 digits
n = 269 85 digits
n = 275 87 digits
n = 408 127 digits
n = 480 149 digits
n = 528 163 digits
n = 862 264 digits
n = 1008 308 digits
n = 1029 314 digits
n = 1184 361 digits
n = 1218 371 digits
n = 1222 372 digits
n = 1382 420 digits
n = 1507 458 digits
n = 1512 459 digits
n = 1712 520 digits
n = 1748 531 digits
n = 1893 574 digits
n = 2715 822 digits
n = 3022 914 digits
n = 3426 1036 digits 1993 Jeffrey Young
n = 3482 1053 digits 1993 Jeffrey Young
n = 3778 1142 digits 1993 Jeffrey Young
n = 4450 1344 digits 1993 Jeffrey Young
n = 5306 1602 digits
n = 5576 1683 digits
n = 6606 1993 digits
n = 8664 2612 digits
n = 10005 3016 digits
n = 15079 4544 digits
n = 16245 4895 digits
n = 16856 5078 digits
n = 18283 5508 digits
n = 20925 6303 digits Oct 1996 Patrick Demichel
n = 21134 6366 digits
n = 27224 8200 digits
n = 28462 8572 digits
n = 32174 9690 digits
n = 42083 12673 digits Jun 1998 Henri Lifchitz; Proth
n = 43094 12977 digits
n = 44466 13390 digits
n = 52619 15844 digits
n = 58076 17487 digits
n = 108846 32770 digits
n = 111530 33578 digits
n = 121010 36432 digits
n = 153412 46186 digits
n = 167830 50526 digits
n = 194120 58440 digits
n = 207978 62612 digits
n = 242015 72858 digits
n = 332468 100087 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 341613 102840 digits Apr 2012 Stefan Larsson; PPSE; PrimeGrid
n = 423427 127469 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 442124 133097 digits Dec 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 602763 181454 digits Jan 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 617112 185774 digits Jan 2011 Aleksander Makowski; PSieve; srsieve; PrimeGrid; LLR
n = 648428 195201 digits Feb 2011 David Steel; PSieve; srsieve; PrimeGrid; LLR
n = 759172 228538 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 875226 263474 digits May 2012 Torben Kock; PSieve; srsieve; PrimeGrid; LLR
n = 1125527 338822 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1187855 357584 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1225488 368913 digits Jan 2014 Dwight Ringdahl; PSieve; srsieve; PrimeGrid; LLR
n = 1437048 432599 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1444667 434892 digits Mar 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1699500 511605 digits Jun 2022 Pete Allivato; PPSE; PrimeGrid
n = 2174810 654687 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2221055 668609 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6827
max n: 2.373.423
n = 3 5 digits
n = 23 11 digits
n = 39 16 digits
n = 47 18 digits
n = 167 55 digits
n = 179 58 digits
n = 303 96 digits
n = 615 189 digits
n = 1047 320 digits
n = 5015 1514 digits
n = 5763 1739 digits
n = 29207 8797 digits
n = 180479 54334 digits
n = 192959 58091 digits
n = 577915 173974 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 587603 176890 digits Dec 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1380327 415524 digits Feb 2016 Takashi Iwasaki; PSieve; srsieve; PrimeGrid; LLR
k: 6829
max n: 2.373.137
n = 90 31 digits
n = 214 69 digits
n = 310 98 digits
n = 390 122 digits
n = 1750 531 digits
n = 2086 632 digits
n = 12674 3820 digits
n = 22202 6688 digits
n = 132598 39920 digits
n = 177690 53494 digits
n = 323594 97416 digits
n = 355170 106921 digits May 2012 David Yost; PPSE; PrimeGrid
n = 415462 125071 digits Oct 2012 Casimir Ksiazek III; PPSE; PrimeGrid
n = 498006 149919 digits Apr 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 780310 234901 digits Feb 2012 Dennis Chi; PSieve; srsieve; PrimeGrid; LLR
n = 1176458 354153 digits Oct 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1497310 450740 digits Jul 2018 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
k: 6831
max n: 2.372.806
n = 4 6 digits
n = 8 7 digits
n = 19 10 digits
n = 20 10 digits
n = 23 11 digits
n = 29 13 digits
n = 31 14 digits
n = 52 20 digits
n = 185 60 digits
n = 220 71 digits
n = 332 104 digits
n = 377 118 digits
n = 599 185 digits
n = 611 188 digits
n = 1703 517 digits
n = 2804 848 digits
n = 2875 870 digits
n = 3343 1011 digits 1993 Jeffrey Young
n = 3488 1054 digits 1993 Jeffrey Young
n = 4160 1257 digits 1993 Jeffrey Young
n = 4625 1397 digits 1993 Jeffrey Young
n = 4940 1491 digits 1993 Jeffrey Young
n = 6308 1903 digits
n = 16751 5047 digits
n = 17531 5282 digits Jul 1997 Conrad Curry; Proth
n = 18092 5451 digits
n = 21932 6607 digits
n = 24128 7268 digits
n = 30164 9085 digits
n = 37460 11281 digits
n = 42239 12720 digits
n = 54269 16341 digits Apr 1999 Tadashi Taura; Proth
n = 55163 16610 digits Apr 1999 Tadashi Taura; Proth
n = 57119 17199 digits Apr 1999 Tadashi Taura; Proth
n = 201719 60728 digits
n = 225803 67978 digits
n = 258659 77868 digits
n = 670349 201799 digits Jun 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 747845 225128 digits Feb 2012 Eric Mostad; PSieve; srsieve; PrimeGrid; LLR
n = 1127564 339435 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1348361 405901 digits Jul 2015 Jeff Kopp; PSieve; srsieve; PrimeGrid; LLR
n = 1616339 486571 digits Feb 2021 Nick Merrylees; PSieve; srsieve; PrimeGrid; LLR
k: 6833
max n: 2.372.972
n = 5 6 digits
n = 25 12 digits
n = 41 17 digits
n = 53 20 digits
n = 61 23 digits
n = 65 24 digits
n = 77 28 digits
n = 101 35 digits
n = 121 41 digits
n = 165 54 digits
n = 261 83 digits
n = 385 120 digits
n = 393 123 digits
n = 409 127 digits
n = 473 147 digits
n = 605 186 digits
n = 913 279 digits
n = 949 290 digits
n = 1013 309 digits
n = 1117 341 digits
n = 1185 361 digits
n = 1213 369 digits
n = 1881 571 digits
n = 2501 757 digits
n = 3065 927 digits
n = 3621 1094 digits 1993 Jeffrey Young
n = 5225 1577 digits
n = 13649 4113 digits
n = 19909 5998 digits
n = 20557 6193 digits
n = 28409 8556 digits
n = 34973 10532 digits
n = 44057 13267 digits
n = 49481 14900 digits
n = 69341 20878 digits
n = 77493 23332 digits
n = 110381 33232 digits
n = 114189 34379 digits
n = 124657 37530 digits
n = 135941 40927 digits
n = 337417 101577 digits Apr 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 783709 235924 digits Mar 2012 Naoto Aoyama; PSieve; srsieve; PrimeGrid; LLR
n = 2237389 673526 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6835
max n: 2.372.813
n = 72 26 digits
n = 990 302 digits
n = 1934 587 digits
n = 5270 1591 digits
n = 21258 6404 digits
n = 28310 8526 digits
n = 46394 13970 digits
n = 112398 33840 digits
n = 185570 55866 digits
n = 458114 137910 digits Jun 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 507074 152649 digits May 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 548310 165062 digits Sep 2010 Lukas Korpelainen; PSieve; srsieve; PrimeGrid; LLR
k: 6837
max n: 2.372.841
n = 10 7 digits
n = 19 10 digits
n = 31 14 digits
n = 42 17 digits
n = 54 21 digits
n = 75 27 digits
n = 115 39 digits
n = 255 81 digits
n = 459 143 digits
n = 594 183 digits
n = 628 193 digits
n = 1114 340 digits
n = 1390 423 digits
n = 2668 807 digits
n = 2802 848 digits
n = 4518 1364 digits 1993 Jeffrey Young
n = 11680 3520 digits
n = 12328 3715 digits
n = 14214 4283 digits
n = 24382 7344 digits
n = 26767 8062 digits
n = 27255 8209 digits
n = 37579 11317 digits
n = 44962 13539 digits
n = 49699 14965 digits
n = 50562 15225 digits
n = 55948 16846 digits
n = 65430 19701 digits
n = 72658 21877 digits
n = 122524 36888 digits
n = 192559 57970 digits
n = 234619 70632 digits
n = 239718 72167 digits
n = 250987 75559 digits
n = 457347 137680 digits Jun 2009 László Takács; Balázs Szabó; srsieve; PrimeGrid; LLR
n = 552391 166291 digits Sep 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1055971 317883 digits Apr 2013 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 1092534 328890 digits May 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1120843 337412 digits Aug 2013 Jonathan Champ; PSieve; srsieve; PrimeGrid; LLR
n = 2221054 668608 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6839
max n: 2.372.306
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 7 6 digits
n = 11 8 digits
n = 33 14 digits
n = 39 16 digits
n = 43 17 digits
n = 59 22 digits
n = 65 24 digits
n = 99 34 digits
n = 103 35 digits
n = 119 40 digits
n = 143 47 digits
n = 145 48 digits
n = 211 68 digits
n = 213 68 digits
n = 279 88 digits
n = 347 109 digits
n = 407 127 digits
n = 433 135 digits
n = 483 150 digits
n = 567 175 digits
n = 699 215 digits
n = 727 223 digits
n = 1005 307 digits
n = 1021 312 digits
n = 1255 382 digits
n = 1603 487 digits
n = 1631 495 digits
n = 1745 530 digits
n = 1755 533 digits
n = 1867 566 digits
n = 2551 772 digits
n = 2553 773 digits
n = 2703 818 digits
n = 3633 1098 digits 1993 Jeffrey Young
n = 4563 1378 digits 1993 Jeffrey Young
n = 4631 1398 digits 1993 Jeffrey Young
n = 5287 1596 digits
n = 5613 1694 digits
n = 6899 2081 digits Mar 1996 Patrick Demichel
n = 7549 2277 digits May 1996 Patrick Demichel
n = 11001 3316 digits
n = 13053 3934 digits
n = 17775 5355 digits
n = 17779 5356 digits
n = 17939 5405 digits
n = 20821 6272 digits
n = 26251 7907 digits
n = 31279 9420 digits
n = 33931 10219 digits
n = 55943 16845 digits
n = 60503 18218 digits
n = 110689 33325 digits
n = 206535 62178 digits
n = 209651 63116 digits
n = 221295 66621 digits
n = 279263 84071 digits
n = 311531 93785 digits
n = 477495 143745 digits Oct 2009 Jeff Stevens; srsieve; PrimeGrid; LLR
n = 764479 230135 digits Feb 2012 John Chitalia; PSieve; srsieve; PrimeGrid; LLR
n = 836161 251714 digits Apr 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 985429 296648 digits Sep 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 985985 296815 digits Sep 2012 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 989459 297861 digits Sep 2012 Konstantin Stanko; PSieve; srsieve; PrimeGrid; LLR
n = 1007111 303175 digits Oct 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1020925 307333 digits Oct 2012 Stefan Stern; PSieve; srsieve; PrimeGrid; LLR
n = 1035063 311589 digits Jan 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1077265 324293 digits Apr 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1412629 425248 digits Jul 2016 Oliver Rasp; PSieve; srsieve; PrimeGrid; LLR
n = 1464507 440865 digits Jan 2018 James Wypych; PSieve; srsieve; PrimeGrid; LLR
n = 1761731 530338 digits Sep 2023 Sanghyeok Lee; PPSE; PrimeGrid
n = 1810399 544989 digits Jan 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 1913491 576023 digits Feb 2024 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1918999 577681 digits Feb 2024 Benoit Da Mota; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2034469 612441 digits Dec 2024 Nèstor Abad; PPSE; PrimeGrid
k: 6841
max n: 2.373.444
n = 72 26 digits
n = 168 55 digits
n = 748 230 digits
n = 756 232 digits
n = 1652 502 digits
n = 9064 2733 digits
n = 12268 3697 digits
n = 23536 7089 digits
n = 35104 10572 digits
n = 43268 13029 digits
n = 114824 34570 digits
n = 271104 81615 digits
n = 474348 142797 digits Oct 2009 Andrew Gockel; srsieve; PrimeGrid; LLR
n = 526208 158409 digits Jul 2010 Jeremy M. Posner; PSieve; srsieve; PrimeGrid; LLR
n = 645716 194384 digits Feb 2011 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 1449816 436442 digits May 2017 Patrick W. McKibbon; PSieve; srsieve; PrimeGrid; LLR
n = 2047348 616317 digits Jan 2025 LeRoy Blanchard; PPSE; PrimeGrid
n = 3338336 1004944 digits Oct 2020 Lucas Brown; PSieve; srsieve; PrimeGrid; LLR
k: 6843
max n: 2.372.833
n = 1 5 digits
n = 6 6 digits
n = 30 13 digits
n = 34 15 digits
n = 44 18 digits
n = 46 18 digits
n = 70 25 digits
n = 124 42 digits
n = 134 45 digits
n = 346 108 digits
n = 376 118 digits
n = 510 158 digits
n = 786 241 digits
n = 800 245 digits
n = 906 277 digits
n = 1408 428 digits
n = 2476 750 digits
n = 2760 835 digits
n = 8890 2680 digits
n = 14753 4445 digits
n = 15076 4543 digits
n = 17464 5262 digits
n = 44944 13534 digits
n = 54708 16473 digits
n = 72780 21913 digits
n = 99401 29927 digits
n = 115516 34778 digits
n = 146929 44234 digits
n = 174654 52580 digits
n = 185113 55729 digits
n = 219360 66038 digits
n = 259194 78030 digits
n = 504961 152013 digits May 2010 Eric Bigham; PSieve; srsieve; PrimeGrid; LLR
n = 510956 153817 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 729046 219469 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1691688 509253 digits May 2022 Vaughan Davies; PPSE; PrimeGrid
k: 6845
max n: 2.372.832
n = 1 5 digits
n = 5 6 digits
n = 13 8 digits
n = 113 38 digits
n = 185 60 digits
n = 469 146 digits
n = 689 212 digits
n = 935 286 digits
n = 1573 478 digits
n = 1871 568 digits
n = 2545 770 digits
n = 39073 11766 digits
n = 128375 38649 digits
n = 158233 47637 digits
n = 358453 107909 digits May 2012 PPSE; PrimeGrid
n = 647531 194931 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1400813 421691 digits Mar 2016 Takashi Iwasaki; PSieve; srsieve; PrimeGrid; LLR
n = 1530269 460661 digits Feb 2019 Brendon Gory; PSieve; srsieve; PrimeGrid; LLR
n = 1539745 463514 digits May 2019 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
k: 6847
max n: 2.371.975
n = 16 9 digits
n = 26 12 digits
n = 40 16 digits
n = 60 22 digits
n = 84 30 digits
n = 120 40 digits
n = 234 75 digits
n = 296 93 digits
n = 304 96 digits
n = 364 114 digits
n = 666 205 digits
n = 752 231 digits
n = 816 250 digits
n = 1452 441 digits
n = 4180 1263 digits 1993 Jeffrey Young
n = 4530 1368 digits 1993 Jeffrey Young
n = 6820 2057 digits Mar 1996 Patrick Demichel
n = 10394 3133 digits
n = 11474 3458 digits
n = 11852 3572 digits
n = 13064 3937 digits
n = 29444 8868 digits
n = 33532 10098 digits
n = 44832 13500 digits
n = 49656 14952 digits
n = 70692 21285 digits
n = 77596 23363 digits
n = 122730 36950 digits
n = 136584 41120 digits
n = 156644 47159 digits
n = 256440 77200 digits
n = 449372 135279 digits Jan 2013 Matt Jurach; PPSE; PrimeGrid
n = 592016 178219 digits Dec 2010 Robert W. Culbertson; PSieve; srsieve; PrimeGrid; LLR
n = 650346 195778 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 739010 222469 digits Feb 2012 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 856602 257867 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1637560 492959 digits May 2021 Latah Headrick; PSieve; srsieve; PrimeGrid; LLR
k: 6849
max n: 2.373.220
n = 2 5 digits
n = 5 6 digits
n = 17 9 digits
n = 26 12 digits
n = 147 49 digits
n = 170 56 digits
n = 342 107 digits
n = 726 223 digits
n = 861 264 digits
n = 2595 786 digits
n = 3306 1000 digits 1993 Jeffrey Young
n = 4506 1361 digits 1993 Jeffrey Young
n = 4521 1365 digits 1993 Jeffrey Young
n = 11342 3419 digits
n = 12306 3709 digits
n = 23346 7032 digits
n = 24422 7356 digits Jul 1998 Baptiste Heyman; Proth
n = 92661 27898 digits
n = 143786 43288 digits
n = 290517 87459 digits
n = 370673 111588 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 664650 200084 digits Apr 2011 Peter Crickman; PSieve; srsieve; PrimeGrid; LLR
n = 698486 210270 digits Sep 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 958965 288682 digits Aug 2012 Marian Vicena; PSieve; srsieve; PrimeGrid; LLR
n = 1270337 382414 digits May 2014 Eric Clifton; PSieve; srsieve; PrimeGrid; LLR
n = 1277093 384448 digits Jun 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1470677 442722 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 2031986 611693 digits Dec 2024 PPSE; PrimeGrid
k: 6851
max n: 2.373.453
n = 7 6 digits
n = 73 26 digits
n = 117 40 digits
n = 343 108 digits
n = 693 213 digits
n = 1003 306 digits
n = 1123 342 digits
n = 1375 418 digits
n = 3117 943 digits
n = 3837 1159 digits 1993 Jeffrey Young
n = 7015 2116 digits Mar 1996 Patrick Demichel
n = 8023 2419 digits
n = 8325 2510 digits
n = 14095 4247 digits
n = 14203 4280 digits
n = 58723 17682 digits
n = 82621 24876 digits
n = 96763 29133 digits
n = 186715 56211 digits
n = 219103 65961 digits
n = 264213 79540 digits
n = 406681 122428 digits Aug 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 585487 176253 digits Nov 2010 Li Dake; PSieve; srsieve; PrimeGrid; LLR
n = 1224703 368677 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1318057 396779 digits Feb 2015 Walter Trautner; PSieve; srsieve; PrimeGrid; LLR
k: 6853
max n: 2.372.971
n = 10 7 digits
n = 12 8 digits
n = 14 9 digits
n = 26 12 digits
n = 42 17 digits
n = 46 18 digits
n = 50 19 digits
n = 72 26 digits
n = 78 28 digits
n = 86 30 digits
n = 96 33 digits
n = 98 34 digits
n = 104 36 digits
n = 108 37 digits
n = 194 63 digits
n = 212 68 digits
n = 224 72 digits
n = 326 102 digits
n = 500 155 digits
n = 1154 352 digits
n = 1400 426 digits
n = 1962 595 digits
n = 1978 600 digits
n = 2320 703 digits
n = 4550 1374 digits 1993 Jeffrey Young
n = 4854 1466 digits 1993 Jeffrey Young
n = 5318 1605 digits
n = 5894 1779 digits
n = 6362 1919 digits
n = 7082 2136 digits Mar 1996 Patrick Demichel
n = 9774 2947 digits
n = 11016 3320 digits
n = 12026 3625 digits
n = 13870 4180 digits
n = 14834 4470 digits
n = 18728 5642 digits
n = 22148 6672 digits
n = 27784 8368 digits
n = 38978 11738 digits
n = 43452 13085 digits
n = 80880 24352 digits
n = 145720 43870 digits
n = 150408 45282 digits
n = 163754 49299 digits
n = 205120 61752 digits
n = 300742 90537 digits
n = 342372 103069 digits Apr 2012 Brian Carpenter; PPSE; PrimeGrid
n = 421350 126843 digits Nov 2012 Bart Kus; PPSE; PrimeGrid
n = 492904 148383 digits Mar 2010 Bjorn Lindberg; PSieve; srsieve; PrimeGrid; LLR
n = 800582 241004 digits Mar 2012 Edoardo Pirovano; PSieve; srsieve; PrimeGrid; LLR
n = 840306 252962 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 977046 294124 digits Aug 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
k: 6855
max n: 2.373.237
n = 1 5 digits
n = 5 6 digits
n = 6 6 digits
n = 9 7 digits
n = 12 8 digits
n = 21 11 digits
n = 31 14 digits
n = 55 21 digits
n = 56 21 digits
n = 163 53 digits
n = 179 58 digits
n = 206 66 digits
n = 216 69 digits
n = 217 70 digits
n = 243 77 digits
n = 245 78 digits
n = 315 99 digits
n = 473 147 digits
n = 583 180 digits
n = 585 180 digits
n = 1263 385 digits
n = 1265 385 digits
n = 1711 519 digits
n = 1878 570 digits
n = 2339 708 digits
n = 2360 715 digits
n = 2412 730 digits
n = 2417 732 digits
n = 2502 758 digits
n = 2661 805 digits
n = 3913 1182 digits 1993 Jeffrey Young
n = 4181 1263 digits 1993 Jeffrey Young
n = 5475 1652 digits
n = 5593 1688 digits
n = 7015 2116 digits Mar 1996 Patrick Demichel
n = 9977 3008 digits
n = 13097 3947 digits
n = 24488 7376 digits Feb 1999 Baptiste Heyman; Proth
n = 26052 7847 digits
n = 28116 8468 digits
n = 28911 8707 digits
n = 32822 9885 digits
n = 37796 11382 digits
n = 44317 13345 digits
n = 44883 13515 digits
n = 46985 14148 digits
n = 60253 18142 digits
n = 63235 19040 digits
n = 64800 19511 digits
n = 67315 20268 digits
n = 86603 26074 digits
n = 117072 35247 digits
n = 119401 35948 digits
n = 138285 41632 digits
n = 159017 47873 digits
n = 190771 57432 digits
n = 203088 61140 digits
n = 240552 72418 digits
n = 249200 75021 digits
n = 249261 75039 digits
n = 279902 84263 digits
n = 318822 95979 digits
n = 331189 99702 digits
n = 398388 119931 digits Jul 2012 Ronny Willig; PPSE; PrimeGrid
n = 661253 199061 digits Apr 2011 Yuriy Brovarets; PSieve; srsieve; PrimeGrid; LLR
n = 1006303 302932 digits Oct 2012 William Donovan; PSieve; srsieve; PrimeGrid; LLR
n = 1199276 361022 digits Nov 2013 Ruslan Pisarev; PSieve; srsieve; PrimeGrid; LLR
n = 1205215 362810 digits Dec 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1295262 389917 digits Sep 2014 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1342723 404204 digits Jul 2015 Jon Beard; PSieve; srsieve; PrimeGrid; LLR
n = 1470853 442775 digits Feb 2018 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1865360 561534 digits Feb 2024 Jan Haller; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1909777 574904 digits Feb 2024 Phil Premi ; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2236681 673312 digits Feb 2025 Roman Strajt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6857
max n: 2.373.030
n = 11 8 digits
n = 15 9 digits
n = 31 14 digits
n = 51 20 digits
n = 67 25 digits
n = 291 92 digits
n = 519 161 digits
n = 1231 375 digits
n = 1535 466 digits
n = 13939 4200 digits
n = 18351 5529 digits
n = 31839 9589 digits
n = 46371 13963 digits
n = 86379 26007 digits
n = 184915 55669 digits
n = 651431 196105 digits Feb 2011 Gerd Resenski; PSieve; srsieve; PrimeGrid; LLR
n = 747315 224969 digits Feb 2012 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1437327 432683 digits Feb 2017 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
k: 6859
max n: 2.373.033
n = 2 5 digits
n = 10 7 digits
n = 34 15 digits
n = 70 25 digits
n = 398 124 digits
n = 74854 22538 digits
n = 622558 187413 digits Feb 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
k: 6861
max n: 2.373.068
n = 1 5 digits
n = 13 8 digits
n = 31 14 digits
n = 35 15 digits
n = 97 34 digits
n = 129 43 digits
n = 151 50 digits
n = 204 66 digits
n = 485 150 digits
n = 868 266 digits
n = 1295 394 digits
n = 1345 409 digits
n = 1355 412 digits
n = 1893 574 digits
n = 2476 750 digits
n = 2761 835 digits
n = 4381 1323 digits 1993 Jeffrey Young
n = 4645 1403 digits 1993 Jeffrey Young
n = 5424 1637 digits
n = 7720 2328 digits May 1996 Patrick Demichel
n = 10077 3038 digits
n = 10995 3314 digits
n = 11045 3329 digits
n = 18127 5461 digits
n = 22211 6691 digits
n = 28573 8606 digits
n = 29128 8773 digits
n = 32271 9719 digits
n = 50775 15289 digits
n = 57767 17394 digits
n = 64453 19407 digits
n = 71471 21519 digits
n = 87899 26465 digits
n = 104327 31410 digits
n = 157696 47476 digits
n = 168599 50758 digits
n = 185851 55951 digits
n = 191411 57625 digits
n = 196431 59136 digits
n = 217905 65600 digits
n = 286917 86375 digits
n = 331588 99822 digits
n = 354901 106840 digits May 2012 David Yost; PPSE; PrimeGrid
n = 369879 111349 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 412607 124211 digits Sep 2012 James Boerner; PPSE; PrimeGrid
n = 506965 152616 digits May 2010 Michael Millette; PSieve; srsieve; PrimeGrid; LLR
n = 526611 158530 digits Jul 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 680307 204797 digits Aug 2011 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 1129063 339886 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1266348 381213 digits May 2014 Richard Cervelle; PSieve; srsieve; PrimeGrid; LLR
n = 1466380 441429 digits Feb 2018 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1781867 536400 digits Dec 2023 Yongchen Xu; PPSE; PrimeGrid
n = 2263944 681519 digits Apr 2025 Joachim Haberer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6863
max n: 2.372.908
n = 21 11 digits
n = 93 32 digits
n = 149 49 digits
n = 497 154 digits
n = 1121 342 digits
n = 4169 1259 digits 1993 Jeffrey Young
n = 7085 2137 digits Mar 1996 Patrick Demichel
n = 8693 2621 digits
n = 12029 3625 digits
n = 15869 4781 digits
n = 27869 8394 digits
n = 32697 9847 digits
n = 71133 21418 digits
n = 71465 21517 digits
n = 471657 141987 digits Oct 2009 Dieter Hodel; srsieve; PrimeGrid; LLR
n = 1381613 415911 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1595297 480237 digits Sep 2020 Jakub Sedlacek; PSieve; srsieve; PrimeGrid; LLR
k: 6865
max n: 2.373.131
n = 4 6 digits
n = 28 13 digits
n = 238 76 digits
n = 328 103 digits
n = 412 128 digits
n = 952 291 digits
n = 4828 1458 digits 1993 Jeffrey Young
n = 8158 2460 digits May 1996 Patrick Demichel
n = 9888 2981 digits
n = 11830 3566 digits
n = 17032 5131 digits
n = 18012 5426 digits
n = 38976 11737 digits
n = 58944 17748 digits
n = 74884 22547 digits
n = 93852 28257 digits
n = 113938 34303 digits
n = 239188 72007 digits
n = 239568 72121 digits
n = 243322 73252 digits
n = 384730 115820 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 405600 122102 digits Aug 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 445870 134225 digits Jan 2013 Tarmo Ilves; PPSE; PrimeGrid
n = 1695850 510506 digits May 2022 Honza Cholt; PPSE; PrimeGrid
n = 2229970 671292 digits Feb 2025 Nicholas Mukanos; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6867
max n: 2.372.011
n = 4 6 digits
n = 11 8 digits
n = 20 10 digits
n = 28 13 digits
n = 35 15 digits
n = 52 20 digits
n = 63 23 digits
n = 70 25 digits
n = 155 51 digits
n = 159 52 digits
n = 306 96 digits
n = 342 107 digits
n = 583 180 digits
n = 711 218 digits
n = 931 285 digits
n = 1326 404 digits
n = 1575 478 digits
n = 1732 526 digits
n = 1844 559 digits
n = 1902 577 digits
n = 2191 664 digits
n = 2646 801 digits
n = 5652 1706 digits
n = 6299 1901 digits
n = 19354 5830 digits
n = 21183 6381 digits
n = 35508 10693 digits
n = 37074 11165 digits
n = 40431 12175 digits
n = 44115 13284 digits
n = 64318 19366 digits
n = 96228 28972 digits
n = 114975 34615 digits
n = 228356 68746 digits
n = 293134 88246 digits
n = 338579 101927 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 368039 110795 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 520975 156833 digits Jun 2010 Antonia Domm; Dave Domm; PSieve; srsieve; PrimeGrid; LLR
n = 570078 171615 digits Nov 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 671755 202223 digits Jun 2011 Reuben Gathright; PSieve; srsieve; PrimeGrid; LLR
n = 835348 251469 digits Apr 2012 Andrew Bishop; PSieve; srsieve; PrimeGrid; LLR
n = 862810 259736 digits May 2012 Kelvin Lewis; PSieve; srsieve; PrimeGrid; LLR
n = 1086772 327155 digits Apr 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1107595 333424 digits Jul 2013 Ben F. Nelson; PSieve; srsieve; PrimeGrid; LLR
n = 1286163 387178 digits Jul 2014 Philip Englehard; PSieve; srsieve; PrimeGrid; LLR
n = 1539211 463353 digits May 2019 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 1559819 469557 digits Feb 2020 Adrian Schori; PSieve; srsieve; PrimeGrid; LLR
n = 1604794 483095 digits Sep 2020 Richard Mortimore; PSieve; srsieve; PrimeGrid; LLR
n = 1693804 509890 digits May 2022 Krzysztof Koczubik; PPSE; PrimeGrid
k: 6869
max n: 2.372.688
n = 5 6 digits
n = 29 13 digits
n = 35 15 digits
n = 123 41 digits
n = 143 47 digits
n = 209 67 digits
n = 329 103 digits
n = 599 185 digits
n = 1445 439 digits
n = 2515 761 digits
n = 4855 1466 digits 1993 Jeffrey Young
n = 5693 1718 digits
n = 6563 1980 digits
n = 13815 4163 digits
n = 14719 4435 digits
n = 31815 9582 digits
n = 188969 56890 digits
n = 213407 64246 digits
n = 266357 80186 digits
n = 270699 81493 digits
n = 305019 91824 digits
n = 325155 97886 digits
n = 353503 106419 digits Oct 2008 Raffaele De Troia; NewPGen; PRP; OpenPFGW; LLR
n = 876529 263866 digits May 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1172855 353069 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1182713 356036 digits Oct 2013 Hendrik Schawe; PSieve; srsieve; PrimeGrid; LLR
k: 6871
max n: 2.373.235
n = 4 6 digits
n = 36 15 digits
n = 56 21 digits
n = 76 27 digits
n = 180 59 digits
n = 256 81 digits
n = 316 99 digits
n = 536 166 digits
n = 544 168 digits
n = 1392 423 digits
n = 2200 667 digits
n = 7516 2267 digits
n = 7652 2308 digits
n = 8176 2466 digits May 1996 Patrick Demichel
n = 10440 3147 digits
n = 23800 7169 digits
n = 62992 18967 digits
n = 134232 40412 digits
n = 232636 70035 digits
n = 581100 174933 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 970052 292019 digits Aug 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 6873
max n: 2.372.844
n = 5 6 digits
n = 8 7 digits
n = 14 9 digits
n = 16 9 digits
n = 17 9 digits
n = 50 19 digits
n = 73 26 digits
n = 77 28 digits
n = 85 30 digits
n = 161 53 digits
n = 172 56 digits
n = 194 63 digits
n = 461 143 digits
n = 505 156 digits
n = 553 171 digits
n = 1420 432 digits
n = 1481 450 digits
n = 1958 594 digits
n = 2068 627 digits
n = 2164 656 digits
n = 2293 695 digits
n = 2318 702 digits
n = 2390 724 digits
n = 10850 3271 digits
n = 17258 5200 digits
n = 34825 10488 digits
n = 63925 19248 digits
n = 101582 30584 digits
n = 110660 33316 digits
n = 126590 38112 digits
n = 183881 55358 digits
n = 189314 56994 digits
n = 207170 62369 digits
n = 239752 72177 digits
n = 331745 99870 digits
n = 489776 147442 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 526537 158508 digits Jul 2010 Michael Sherman; PSieve; srsieve; PrimeGrid; LLR
n = 640681 192869 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1862378 560636 digits Feb 2024 Louis Meuler; PPSE; PrimeGrid
n = 2283872 687518 digits Jun 2025 Sou Fukui; PPSE; PrimeGrid
n = 3429937 1032518 digits Aug 2022 Wes Hewitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6875
max n: 2.372.968
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 37 15 digits
n = 49 19 digits
n = 61 23 digits
n = 67 25 digits
n = 93 32 digits
n = 137 46 digits
n = 139 46 digits
n = 193 62 digits
n = 279 88 digits
n = 283 90 digits
n = 929 284 digits
n = 931 285 digits
n = 1195 364 digits
n = 2437 738 digits
n = 4315 1303 digits 1993 Jeffrey Young
n = 5497 1659 digits
n = 10105 3046 digits
n = 11221 3382 digits May 1996 Patrick Demichel
n = 19561 5893 digits
n = 23249 7003 digits
n = 31017 9341 digits
n = 57891 17431 digits
n = 77473 23326 digits
n = 79797 24026 digits
n = 80131 24126 digits
n = 104409 31435 digits
n = 116989 35222 digits
n = 128143 38579 digits
n = 133167 40092 digits
n = 155225 46732 digits
n = 176371 53097 digits
n = 212727 64042 digits
n = 345715 104075 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 422693 127248 digits Nov 2012 Jörg Meili; PPSE; PrimeGrid
n = 818967 246538 digits Apr 2012 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
n = 1049833 316036 digits Feb 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 6877
max n: 2.373.037
n = 2 5 digits
n = 20 10 digits
n = 30 13 digits
n = 32 14 digits
n = 38 16 digits
n = 42 17 digits
n = 48 19 digits
n = 50 19 digits
n = 102 35 digits
n = 170 56 digits
n = 240 77 digits
n = 410 128 digits
n = 1646 500 digits
n = 1770 537 digits
n = 2618 792 digits
n = 3062 926 digits
n = 6746 2035 digits Mar 1996 Patrick Demichel
n = 7406 2234 digits
n = 11042 3328 digits
n = 12570 3788 digits
n = 14150 4264 digits
n = 17462 5261 digits
n = 17898 5392 digits
n = 18638 5615 digits
n = 18908 5696 digits
n = 28028 8442 digits
n = 45276 13634 digits
n = 83598 25170 digits
n = 90498 27247 digits
n = 127946 38520 digits
n = 147326 44354 digits
n = 334520 100705 digits Apr 2012 Stefan Larsson; PPSE; PrimeGrid
n = 511082 153855 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 933686 281072 digits Jul 2012 Simon Yuen; PSieve; srsieve; PrimeGrid; LLR
n = 1289238 388104 digits Aug 2014 Woohyung Lee; PSieve; srsieve; PrimeGrid; LLR
n = 1441110 433822 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 6879
max n: 2.372.694
n = 1 5 digits
n = 7 6 digits
n = 18 10 digits
n = 55 21 digits
n = 75 27 digits
n = 78 28 digits
n = 97 34 digits
n = 159 52 digits
n = 181 59 digits
n = 219 70 digits
n = 282 89 digits
n = 871 267 digits
n = 919 281 digits
n = 1329 404 digits
n = 1770 537 digits
n = 1801 546 digits
n = 1962 595 digits
n = 2071 628 digits
n = 5547 1674 digits
n = 5557 1677 digits
n = 21078 6349 digits
n = 22459 6765 digits
n = 27939 8415 digits
n = 30109 9068 digits
n = 49335 14856 digits
n = 56670 17064 digits
n = 72034 21689 digits
n = 75301 22672 digits
n = 83046 25004 digits
n = 107589 32392 digits
n = 141819 42696 digits
n = 158989 47865 digits
n = 171541 51643 digits
n = 171691 51688 digits
n = 172689 51989 digits
n = 273547 82350 digits
n = 450015 135472 digits Apr 2009 Eric Potter; srsieve; PrimeGrid; LLR
n = 491515 147965 digits Feb 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 707335 212933 digits Sep 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1443994 434690 digits Mar 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 6881
max n: 2.372.888
n = 1 5 digits
n = 3 5 digits
n = 13 8 digits
n = 27 12 digits
n = 31 14 digits
n = 37 15 digits
n = 43 17 digits
n = 81 29 digits
n = 87 31 digits
n = 113 38 digits
n = 157 52 digits
n = 321 101 digits
n = 349 109 digits
n = 503 156 digits
n = 799 245 digits
n = 827 253 digits
n = 1073 327 digits
n = 2349 711 digits
n = 2533 767 digits
n = 2771 838 digits
n = 3173 960 digits
n = 3747 1132 digits 1993 Jeffrey Young
n = 4337 1310 digits 1993 Jeffrey Young
n = 7097 2141 digits
n = 8823 2660 digits
n = 14633 4409 digits
n = 21561 6495 digits
n = 28607 8616 digits
n = 42859 12906 digits
n = 45443 13684 digits
n = 69157 20823 digits
n = 110877 33382 digits
n = 196471 59148 digits
n = 201169 60562 digits
n = 234907 70718 digits
n = 870519 262057 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 998141 300475 digits Sep 2012 Andrey Dorovskikh; PSieve; srsieve; PrimeGrid; LLR
n = 1015377 305663 digits Oct 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 1304263 392627 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1978589 595619 digits Jul 2024 Chad Steenerson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6883
max n: 2.373.105
n = 4 6 digits
n = 8 7 digits
n = 16 9 digits
n = 20 10 digits
n = 30 13 digits
n = 36 15 digits
n = 40 16 digits
n = 44 18 digits
n = 80 28 digits
n = 84 30 digits
n = 148 49 digits
n = 150 49 digits
n = 206 66 digits
n = 304 96 digits
n = 448 139 digits
n = 664 204 digits
n = 994 304 digits
n = 1550 471 digits
n = 1956 593 digits
n = 1996 605 digits
n = 2146 650 digits
n = 2778 841 digits
n = 3096 936 digits
n = 4314 1303 digits 1993 Jeffrey Young
n = 4600 1389 digits 1993 Jeffrey Young
n = 4916 1484 digits 1993 Jeffrey Young
n = 5240 1582 digits
n = 6596 1990 digits
n = 8168 2463 digits May 1996 Patrick Demichel
n = 10296 3104 digits
n = 11280 3400 digits
n = 11404 3437 digits
n = 12144 3660 digits
n = 16976 5115 digits
n = 17390 5239 digits
n = 19950 6010 digits
n = 21428 6455 digits
n = 31736 9558 digits
n = 31868 9598 digits
n = 54556 16427 digits
n = 56836 17114 digits
n = 63178 19023 digits
n = 118900 35797 digits
n = 143588 43229 digits
n = 152354 45867 digits
n = 192590 57980 digits
n = 256048 77082 digits
n = 261998 78874 digits
n = 451800 136010 digits May 2009 Nikolay Kamenyuk; srsieve; PrimeGrid; LLR
n = 466978 140579 digits Sep 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 629376 189465 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 652470 196417 digits Mar 2011 Bob Ife; PSieve; srsieve; PrimeGrid; LLR
n = 799760 240756 digits Mar 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 922008 277556 digits Jun 2012 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 924476 278299 digits Jun 2012 Kelvin Lewis; PSieve; srsieve; PrimeGrid; LLR
n = 1056148 317937 digits Apr 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1258580 378875 digits Apr 2014 Michael Ward; PSieve; srsieve; PrimeGrid; LLR
n = 1988130 598491 digits Aug 2024 Yifei Gao; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2130276 641281 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2187894 658626 digits Feb 2025 Stephen P. Norton; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2369216 713209 digits Jun 2026 Ryan Propper; PPSE; PrimeGrid
n = 3444784 1036988 digits Jan 2023 Honza Cholt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6885
max n: 2.372.691
n = 2 5 digits
n = 4 6 digits
n = 6 6 digits
n = 8 7 digits
n = 11 8 digits
n = 12 8 digits
n = 13 8 digits
n = 16 9 digits
n = 17 9 digits
n = 19 10 digits
n = 23 11 digits
n = 26 12 digits
n = 29 13 digits
n = 41 17 digits
n = 42 17 digits
n = 48 19 digits
n = 67 25 digits
n = 76 27 digits
n = 83 29 digits
n = 85 30 digits
n = 153 50 digits
n = 164 54 digits
n = 168 55 digits
n = 173 56 digits
n = 226 72 digits
n = 234 75 digits
n = 325 102 digits
n = 367 115 digits
n = 407 127 digits
n = 432 134 digits
n = 467 145 digits
n = 509 158 digits
n = 662 204 digits
n = 752 231 digits
n = 1202 366 digits
n = 1441 438 digits
n = 1477 449 digits
n = 1722 523 digits
n = 1907 578 digits
n = 1962 595 digits
n = 2236 677 digits
n = 2616 792 digits
n = 2642 800 digits
n = 2722 824 digits
n = 3733 1128 digits 1993 Jeffrey Young
n = 3764 1137 digits 1993 Jeffrey Young
n = 3914 1183 digits 1993 Jeffrey Young
n = 4316 1304 digits 1993 Jeffrey Young
n = 4722 1426 digits 1993 Jeffrey Young
n = 6426 1939 digits
n = 7562 2281 digits
n = 7724 2329 digits May 1996 Patrick Demichel
n = 9248 2788 digits
n = 15899 4790 digits
n = 16157 4868 digits
n = 16643 5014 digits
n = 24835 7480 digits
n = 31104 9368 digits
n = 35723 10758 digits
n = 38098 11473 digits
n = 47506 14305 digits
n = 58094 17492 digits Apr 1999 Tadashi Taura; Proth
n = 63089 18996 digits
n = 98466 29646 digits
n = 112868 33981 digits
n = 135142 40686 digits
n = 175173 52737 digits
n = 188886 56865 digits
n = 300065 90333 digits
n = 553674 166677 digits Oct 2010 Jessicalind Ah Kit; PSieve; srsieve; PrimeGrid; LLR
n = 651813 196220 digits Mar 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1521067 457891 digits Feb 2019 Pete Allivato; PSieve; srsieve; PrimeGrid; LLR
n = 1521574 458044 digits Feb 2019 Keith Reinhardt; PSieve; srsieve; PrimeGrid; LLR
n = 1693302 509739 digits May 2022 PPSE; PrimeGrid
n = 2266339 682240 digits Apr 2025 Frantz Desprez; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3468181 1044031 digits Apr 2023 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6887
max n: 2.372.766
n = 7 6 digits
n = 23 11 digits
n = 71 26 digits
n = 308887 92989 digits
k: 6889
max n: 2.373.133
n = 326 102 digits
n = 4302 1299 digits 1993 Jeffrey Young
n = 12006 3619 digits
n = 56926 17141 digits
n = 148766 44787 digits
n = 149662 45057 digits
n = 281246 84668 digits
k: 6891
max n: 2.372.011
n = 5 6 digits
n = 8 7 digits
n = 12 8 digits
n = 20 10 digits
n = 24 12 digits
n = 36 15 digits
n = 57 21 digits
n = 95 33 digits
n = 129 43 digits
n = 132 44 digits
n = 203 65 digits
n = 269 85 digits
n = 593 183 digits
n = 684 210 digits
n = 777 238 digits
n = 804 246 digits
n = 1109 338 digits
n = 1508 458 digits
n = 1604 487 digits
n = 1848 561 digits
n = 2628 795 digits
n = 3573 1080 digits 1993 Jeffrey Young
n = 3725 1126 digits 1993 Jeffrey Young
n = 8489 2560 digits
n = 9423 2841 digits
n = 14763 4448 digits
n = 14943 4503 digits
n = 17777 5356 digits
n = 20885 6291 digits
n = 25599 7710 digits
n = 26016 7836 digits
n = 45993 13850 digits
n = 52389 15775 digits
n = 55508 16714 digits
n = 74813 22525 digits
n = 75144 22625 digits
n = 126228 38003 digits
n = 133196 40100 digits
n = 142713 42965 digits
n = 209288 63006 digits
n = 214680 64629 digits
n = 287144 86443 digits
n = 370089 111412 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 394223 118677 digits Jul 2012 PPSE; PrimeGrid
n = 826404 248777 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1678548 505298 digits Mar 2022 Devlin Skahill; PPSE; PrimeGrid
k: 6893
max n: 2.373.117
n = 69 25 digits
n = 469 146 digits
n = 669 206 digits
n = 2013 610 digits
n = 38053 11459 digits
n = 79389 23903 digits
n = 154053 46379 digits
n = 678949 204388 digits Aug 2011 Valter Cavecchia; PSieve; srsieve; PrimeGrid; LLR
n = 2021853 608643 digits Dec 2024 Greg Miller; PPSE; PrimeGrid
k: 6895
max n: 2.373.009
n = 2 5 digits
n = 4 6 digits
n = 6 6 digits
n = 8 7 digits
n = 12 8 digits
n = 14 9 digits
n = 18 10 digits
n = 38 16 digits
n = 40 16 digits
n = 48 19 digits
n = 70 25 digits
n = 90 31 digits
n = 138 46 digits
n = 174 57 digits
n = 178 58 digits
n = 200 65 digits
n = 260 83 digits
n = 346 108 digits
n = 364 114 digits
n = 388 121 digits
n = 510 158 digits
n = 564 174 digits
n = 596 184 digits
n = 600 185 digits
n = 958 293 digits
n = 1308 398 digits
n = 1678 509 digits
n = 1968 597 digits
n = 2156 653 digits
n = 2590 784 digits
n = 2904 879 digits
n = 3088 934 digits
n = 3418 1033 digits 1993 Jeffrey Young
n = 3794 1146 digits 1993 Jeffrey Young
n = 4246 1283 digits 1993 Jeffrey Young
n = 6478 1954 digits
n = 8156 2460 digits
n = 8330 2512 digits
n = 8554 2579 digits May 1996 Patrick Demichel
n = 10168 3065 digits
n = 10214 3079 digits
n = 12262 3696 digits
n = 12772 3849 digits
n = 19212 5788 digits
n = 20862 6284 digits
n = 21620 6513 digits
n = 23094 6956 digits
n = 23866 7189 digits
n = 26510 7985 digits
n = 29098 8764 digits
n = 32122 9674 digits
n = 32238 9709 digits
n = 122024 36737 digits
n = 207072 62339 digits
n = 260312 78366 digits
n = 288928 86980 digits
n = 318262 95811 digits
n = 437814 131799 digits Dec 2012 Gary Harris; PPSE; PrimeGrid
n = 504738 151946 digits May 2010 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 602036 181235 digits Jan 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 621318 187040 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 647970 195063 digits Feb 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 672954 202584 digits Jun 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 708750 213359 digits Sep 2011 Reuben Gathright; PSieve; srsieve; PrimeGrid; LLR
n = 801254 241206 digits Mar 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 897006 270030 digits Jun 2012 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 1228014 369673 digits Jan 2014 Anton Singsø; PSieve; srsieve; PrimeGrid; LLR
n = 1342902 404258 digits Jul 2015 Andrea Tosatto; PSieve; srsieve; PrimeGrid; LLR
n = 1428262 429954 digits Dec 2016 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1691360 509154 digits May 2022 Honza Cholt; PPSE; PrimeGrid
n = 2073930 624319 digits Jan 2025 Giles Averay-Jones; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6897
max n: 2.372.321
n = 10 7 digits
n = 18 10 digits
n = 27 12 digits
n = 60 22 digits
n = 84 30 digits
n = 92 32 digits
n = 108 37 digits
n = 114 39 digits
n = 178 58 digits
n = 183 59 digits
n = 263 84 digits
n = 310 98 digits
n = 340 107 digits
n = 604 186 digits
n = 680 209 digits
n = 1023 312 digits
n = 1320 402 digits
n = 1632 496 digits
n = 1667 506 digits
n = 1679 510 digits
n = 2222 673 digits
n = 2684 812 digits
n = 5748 1735 digits
n = 6874 2074 digits Mar 1996 Patrick Demichel
n = 6908 2084 digits
n = 6974 2104 digits Mar 1996 Patrick Demichel
n = 7242 2184 digits
n = 7944 2396 digits
n = 9039 2725 digits
n = 11222 3382 digits May 1996 Patrick Demichel
n = 17444 5256 digits
n = 20379 6139 digits
n = 22284 6712 digits
n = 32522 9794 digits
n = 52444 15792 digits
n = 57068 17184 digits
n = 66418 19998 digits
n = 106148 31958 digits
n = 108324 32613 digits
n = 122078 36753 digits
n = 154634 46554 digits
n = 182098 54821 digits
n = 290132 87343 digits
n = 411719 123944 digits Sep 2012 James Boerner; PPSE; PrimeGrid
n = 561222 168949 digits Oct 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1000650 301230 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1822983 548777 digits Jan 2024 David Åkesson; PPSE; PrimeGrid
n = 2232740 672126 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2233424 672332 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6899
max n: 2.372.948
n = 1 5 digits
n = 7 6 digits
n = 9 7 digits
n = 15 9 digits
n = 17 9 digits
n = 37 15 digits
n = 43 17 digits
n = 153 50 digits
n = 159 52 digits
n = 185 60 digits
n = 269 85 digits
n = 311 98 digits
n = 457 142 digits
n = 691 212 digits
n = 865 265 digits
n = 1179 359 digits
n = 1285 391 digits
n = 1627 494 digits
n = 1825 554 digits
n = 3475 1050 digits 1993 Jeffrey Young
n = 4461 1347 digits 1993 Jeffrey Young
n = 7363 2221 digits May 1996 Patrick Demichel
n = 9579 2888 digits
n = 12453 3753 digits
n = 13581 4093 digits
n = 25375 7643 digits
n = 26353 7937 digits
n = 45149 13596 digits
n = 56917 17138 digits
n = 60913 18341 digits
n = 69325 20873 digits
n = 84197 25350 digits
n = 106685 32120 digits
n = 140099 42178 digits
n = 149115 44892 digits
n = 155975 46957 digits
n = 167311 50370 digits
n = 213117 64159 digits
n = 257393 77487 digits
n = 296695 89318 digits
n = 300045 90327 digits
n = 359631 108264 digits May 2012 PPSE; PrimeGrid
n = 462343 139183 digits Jul 2009 Dajgoro Labinac; srsieve; PrimeGrid; LLR
n = 639169 192413 digits Feb 2011 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 842285 253557 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 977025 294118 digits Aug 2012 Ed Braaten; PSieve; srsieve; PrimeGrid; LLR
n = 996903 300102 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1232171 370925 digits Jan 2014 Yuki Yoshigoe; PSieve; srsieve; PrimeGrid; LLR
n = 1422067 428089 digits Sep 2016 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1529981 460575 digits Feb 2019 Michael Wrchowetzky; PSieve; srsieve; PrimeGrid; LLR
n = 1657701 499022 digits Feb 2022 James Krauss; PSieve; srsieve; PrimeGrid; LLR
n = 1697683 511058 digits Jun 2022 Ryan Propper; PPSE; PrimeGrid
k: 6901
max n: 2.372.899
n = 52 20 digits
n = 164 54 digits
n = 844 258 digits
n = 188900 56869 digits
n = 191060 57519 digits
k: 6903
max n: 2.372.809
n = 1 5 digits
n = 5 6 digits
n = 9 7 digits
n = 10 7 digits
n = 21 11 digits
n = 41 17 digits
n = 45 18 digits
n = 89 31 digits
n = 93 32 digits
n = 120 40 digits
n = 142 47 digits
n = 208 67 digits
n = 549 170 digits
n = 568 175 digits
n = 584 180 digits
n = 585 180 digits
n = 790 242 digits
n = 837 256 digits
n = 1072 327 digits
n = 1248 380 digits
n = 2745 831 digits
n = 4841 1462 digits 1993 Jeffrey Young
n = 5585 1686 digits
n = 5929 1789 digits
n = 6273 1893 digits
n = 6301 1901 digits
n = 7677 2315 digits
n = 8205 2474 digits May 1996 Patrick Demichel
n = 9682 2919 digits
n = 18233 5493 digits
n = 19032 5734 digits
n = 19290 5811 digits
n = 30841 9288 digits
n = 33198 9998 digits
n = 39328 11843 digits
n = 46458 13990 digits
n = 78737 23707 digits
n = 115409 34746 digits
n = 119301 35918 digits
n = 156057 46982 digits
n = 170494 51328 digits
n = 232385 69959 digits
n = 255408 76890 digits
n = 428313 128939 digits Nov 2012 Jon Antonides; PPSE; PrimeGrid
n = 438749 132081 digits Dec 2012 Michael Millerick; PPSE; PrimeGrid
n = 458845 138130 digits Jun 2009 Jochen Beck; srsieve; PrimeGrid; LLR
n = 487185 146662 digits Feb 2010 Ward De Ridder; PSieve; srsieve; PrimeGrid; LLR
n = 497782 149852 digits Jun 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 631632 190145 digits Feb 2011 Takaharu Yamamura; PSieve; srsieve; PrimeGrid; LLR
n = 661398 199105 digits Apr 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 888112 267353 digits May 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 902654 271730 digits Jun 2012 Paul Lantinga; PSieve; srsieve; PrimeGrid; LLR
n = 924552 278322 digits Jul 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1505150 453100 digits Nov 2018 John Bruneton; PSieve; srsieve; PrimeGrid; LLR
n = 1865770 561657 digits Feb 2024 Raphaël Gervais Lavoie; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1927577 580263 digits Mar 2024 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2266902 682410 digits Apr 2025 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6905
max n: 2.373.044
n = 35 15 digits
n = 51 20 digits
n = 59 22 digits
n = 63 23 digits
n = 69 25 digits
n = 135 45 digits
n = 141 47 digits
n = 263 84 digits
n = 315 99 digits
n = 383 120 digits
n = 1143 348 digits
n = 2925 885 digits
n = 4991 1507 digits 1993 Jeffrey Young
n = 5363 1619 digits
n = 7641 2305 digits
n = 9645 2908 digits
n = 28359 8541 digits
n = 36279 10925 digits
n = 78099 23514 digits
n = 376011 113195 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 512843 154385 digits Jun 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 1430043 430490 digits Dec 2016 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 2063879 621294 digits Jan 2025 HyeongShin Kang; PPSE; PrimeGrid
k: 6907
max n: 2.372.663
n = 12 8 digits
n = 96 33 digits
n = 168 55 digits
n = 354 111 digits
n = 516 160 digits
n = 2178 660 digits
n = 10458 3153 digits
k: 6909
max n: 2.372.866
n = 6 6 digits
n = 7 6 digits
n = 22 11 digits
n = 34 15 digits
n = 59 22 digits
n = 87 31 digits
n = 117 40 digits
n = 201 65 digits
n = 259 82 digits
n = 319 100 digits
n = 330 104 digits
n = 470 146 digits
n = 662 204 digits
n = 722 222 digits
n = 799 245 digits
n = 881 270 digits
n = 1042 318 digits
n = 1319 401 digits
n = 1899 576 digits
n = 3906 1180 digits 1993 Jeffrey Young
n = 4137 1250 digits 1993 Jeffrey Young
n = 5597 1689 digits
n = 5817 1755 digits
n = 7630 2301 digits May 1996 Patrick Demichel
n = 9719 2930 digits
n = 11321 3412 digits
n = 11559 3484 digits
n = 11789 3553 digits
n = 13287 4004 digits
n = 13290 4005 digits
n = 28029 8442 digits
n = 28841 8686 digits
n = 42581 12822 digits
n = 59179 17819 digits
n = 60334 18167 digits
n = 84494 25440 digits
n = 91342 27501 digits
n = 105210 31676 digits
n = 384077 115623 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 951677 286488 digits Jul 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1279334 385122 digits Jun 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1490057 448556 digits Apr 2018 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
k: 6911
max n: 2.372.880
n = 263 84 digits
n = 873 267 digits
n = 1735 527 digits
n = 2953 893 digits
n = 4073 1230 digits 1993 Jeffrey Young
n = 6691 2019 digits Mar 1996 Patrick Demichel
n = 8863 2672 digits
n = 9911 2988 digits
n = 11095 3344 digits
n = 32695 9847 digits
n = 47305 14245 digits
n = 70103 21107 digits
n = 88411 26619 digits
n = 117433 35355 digits
n = 221531 66692 digits
n = 260375 78385 digits
n = 262531 79034 digits
n = 291235 87675 digits
n = 329071 99065 digits
n = 456345 137378 digits May 2009 Thomas Leranth; srsieve; PrimeGrid; LLR
n = 1143323 344179 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1420713 427682 digits Sep 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1810883 545134 digits Jan 2024 Leon Bird; PPSE; PrimeGrid
n = 1934665 582397 digits Mar 2024 Juha Hauhia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1942561 584773 digits Mar 2024 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2008903 604744 digits Oct 2024 Krzysztof Paniczko; PPSE; PrimeGrid
k: 6913
max n: 2.372.847
n = 2 5 digits
n = 4 6 digits
n = 26 12 digits
n = 34 15 digits
n = 38 16 digits
n = 50 19 digits
n = 54 21 digits
n = 78 28 digits
n = 90 31 digits
n = 208 67 digits
n = 238 76 digits
n = 300 95 digits
n = 504 156 digits
n = 970 296 digits
n = 1046 319 digits
n = 1478 449 digits
n = 2638 798 digits
n = 5112 1543 digits
n = 5662 1709 digits
n = 6570 1982 digits
n = 10638 3207 digits
n = 13470 4059 digits
n = 15738 4742 digits
n = 16278 4905 digits
n = 16968 5112 digits
n = 23214 6992 digits
n = 27802 8374 digits
n = 33724 10156 digits
n = 48778 14688 digits
n = 54494 16409 digits
n = 70168 21127 digits
n = 78748 23710 digits
n = 109666 33017 digits
n = 114850 34578 digits
n = 119268 35908 digits
n = 121780 36664 digits
n = 136204 41006 digits
n = 161714 48685 digits
n = 167890 50544 digits
n = 169070 50899 digits
n = 184912 55668 digits
n = 217872 65590 digits
n = 330628 99533 digits
n = 375742 113114 digits Jun 2012 Bruce Dodson; PPSE; PrimeGrid
n = 630362 189762 digits Feb 2011 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 959692 288900 digits Aug 2012 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1327138 399513 digits Mar 2015 Jason McManus; PSieve; srsieve; PrimeGrid; LLR
n = 1593386 479661 digits Sep 2020 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1785718 537559 digits Dec 2023 Paweł Dec; PPSE; PrimeGrid
n = 1940846 584257 digits Mar 2024 Pete Allivato; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6915
max n: 2.372.892
n = 1 5 digits
n = 4 6 digits
n = 5 6 digits
n = 13 8 digits
n = 16 9 digits
n = 17 9 digits
n = 31 14 digits
n = 37 15 digits
n = 65 24 digits
n = 89 31 digits
n = 103 35 digits
n = 146 48 digits
n = 149 49 digits
n = 311 98 digits
n = 367 115 digits
n = 370 116 digits
n = 451 140 digits
n = 490 152 digits
n = 626 193 digits
n = 661 203 digits
n = 1604 487 digits
n = 1655 503 digits
n = 1756 533 digits
n = 2075 629 digits
n = 2149 651 digits
n = 2435 737 digits
n = 2497 756 digits
n = 3386 1024 digits 1993 Jeffrey Young
n = 3563 1077 digits 1993 Jeffrey Young
n = 7121 2148 digits
n = 16504 4973 digits
n = 20111 6058 digits
n = 46220 13918 digits
n = 84031 25300 digits
n = 101101 30439 digits Jan 2001 Dr. James McElhatton; Proth
n = 108130 32555 digits
n = 114985 34618 digits
n = 116189 34981 digits
n = 228322 68736 digits
n = 257656 77567 digits
n = 277045 83403 digits
n = 635209 191221 digits Feb 2011 Daniel Schemmel; PSieve; srsieve; PrimeGrid; LLR
n = 966401 290920 digits Aug 2012 Michał Gasewicz; PSieve; srsieve; PrimeGrid; LLR
n = 968161 291450 digits Aug 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1107716 333460 digits Jul 2013 Michal Tatárka; PSieve; srsieve; PrimeGrid; LLR
n = 1222132 367903 digits Dec 2013 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 2280259 686431 digits May 2025 Sabrina Tarson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6917
max n: 2.373.403
n = 3 5 digits
n = 11 8 digits
n = 707 217 digits
n = 835 256 digits
n = 1515 460 digits
n = 1851 562 digits
n = 11171 3367 digits
n = 67235 20244 digits
n = 99595 29985 digits
k: 6919
max n: 2.373.366
n = 6 6 digits
n = 66 24 digits
n = 90 31 digits
n = 498 154 digits
n = 2526 765 digits
n = 2622 794 digits
n = 4446 1343 digits 1993 Jeffrey Young
n = 13386 4034 digits
n = 49734 14976 digits
n = 57714 17378 digits
n = 114846 34576 digits
n = 785934 236594 digits Mar 2012 Bart van Rooijen; PSieve; srsieve; PrimeGrid; LLR
n = 1250118 376327 digits Apr 2014 Marián Pčolinský; PSieve; srsieve; PrimeGrid; LLR
k: 6921
max n: 2.373.388
n = 7 6 digits
n = 28 13 digits
n = 31 14 digits
n = 121 41 digits
n = 319 100 digits
n = 375 117 digits
n = 679 209 digits
n = 732 225 digits
n = 1612 490 digits
n = 2461 745 digits
n = 2580 781 digits
n = 2791 845 digits
n = 3073 929 digits
n = 7188 2168 digits
n = 7752 2338 digits May 1996 Patrick Demichel
n = 9420 2840 digits
n = 11113 3350 digits
n = 12703 3828 digits
n = 28476 8576 digits
n = 46431 13981 digits
n = 57103 17194 digits
n = 74020 22287 digits
n = 74272 22362 digits
n = 121095 36458 digits
n = 261672 78775 digits
n = 277735 83611 digits
n = 562615 169368 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 783076 235734 digits Mar 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 1155420 347820 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1293756 389464 digits Sep 2014 John S Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1394479 419784 digits Mar 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 6923
max n: 2.372.788
n = 5 6 digits
n = 9 7 digits
n = 17 9 digits
n = 29 13 digits
n = 69 25 digits
n = 689 212 digits
n = 817 250 digits
n = 2429 736 digits
n = 2869 868 digits
n = 3101 938 digits
n = 5545 1674 digits
n = 6569 1982 digits
n = 11241 3388 digits May 1996 Patrick Demichel
n = 17125 5159 digits
n = 23837 7180 digits
n = 33085 9964 digits
n = 75057 22599 digits
n = 90341 27200 digits
n = 151349 45565 digits
n = 298005 89713 digits
n = 472361 142199 digits Oct 2009 Adam Alexander; srsieve; PrimeGrid; LLR
n = 491625 147998 digits Mar 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 657085 197807 digits Mar 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1036581 312046 digits Jan 2013 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1372945 413302 digits Jan 2016 Yegor Ryabchikov; PSieve; srsieve; PrimeGrid; LLR
n = 1532697 461392 digits Mar 2019 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 2010965 605365 digits Nov 2024 Alexey Simbarsky; PPSE; PrimeGrid
k: 6925
max n: 2.372.861
n = 2 5 digits
n = 8 7 digits
n = 30 13 digits
n = 32 14 digits
n = 144 48 digits
n = 204 66 digits
n = 292 92 digits
n = 400 125 digits
n = 544 168 digits
n = 564 174 digits
n = 950 290 digits
n = 992 303 digits
n = 1100 335 digits
n = 1460 444 digits
n = 1614 490 digits
n = 1660 504 digits
n = 1704 517 digits
n = 13224 3985 digits
n = 13624 4106 digits
n = 20468 6166 digits
n = 28800 8674 digits
n = 32840 9890 digits
n = 40562 12215 digits
n = 56344 16966 digits
n = 92760 27928 digits
n = 150684 45365 digits
n = 172412 51906 digits
n = 190088 57227 digits
n = 217004 65329 digits
n = 311742 93848 digits
n = 971932 292585 digits Aug 2012 John M. Dunn; PSieve; srsieve; PrimeGrid; LLR
k: 6927
max n: 2.372.622
n = 10 7 digits
n = 14 9 digits
n = 20 10 digits
n = 27 12 digits
n = 28 13 digits
n = 56 21 digits
n = 70 25 digits
n = 98 34 digits
n = 151 50 digits
n = 444 138 digits
n = 478 148 digits
n = 540 167 digits
n = 715 220 digits
n = 874 267 digits
n = 890 272 digits
n = 1900 576 digits
n = 2676 810 digits
n = 3176 960 digits
n = 3976 1201 digits 1993 Jeffrey Young
n = 4063 1227 digits 1993 Jeffrey Young
n = 6084 1836 digits
n = 6276 1894 digits
n = 6476 1954 digits
n = 9440 2846 digits
n = 10400 3135 digits
n = 10798 3255 digits
n = 16454 4957 digits
n = 29666 8935 digits
n = 52334 15758 digits
n = 68215 20539 digits
n = 87416 26319 digits
n = 123296 37120 digits
n = 123391 37149 digits
n = 126176 37987 digits
n = 130364 39248 digits
n = 131954 39726 digits
n = 170290 51267 digits
n = 170604 51361 digits
n = 382648 115193 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 444620 133848 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 520030 156549 digits Jun 2010 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 523148 157488 digits Jul 2010 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 1071206 322469 digits Apr 2013 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
n = 1427428 429703 digits Dec 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1538750 463214 digits May 2019 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 3324387 1000745 digits Sep 2019 Ben Ridgway; PSieve; srsieve; PrimeGrid; LLR
k: 6929
max n: 2.372.568
n = 1 5 digits
n = 5 6 digits
n = 7 6 digits
n = 17 9 digits
n = 23 11 digits
n = 25 12 digits
n = 59 22 digits
n = 65 24 digits
n = 85 30 digits
n = 161 53 digits
n = 203 65 digits
n = 269 85 digits
n = 377 118 digits
n = 539 167 digits
n = 1367 416 digits
n = 1855 563 digits
n = 4135 1249 digits 1993 Jeffrey Young
n = 4399 1329 digits 1993 Jeffrey Young
n = 5191 1567 digits
n = 5521 1666 digits
n = 6505 1963 digits
n = 10327 3113 digits
n = 13577 4091 digits
n = 15751 4746 digits
n = 20201 6085 digits
n = 20533 6185 digits
n = 80789 24324 digits
n = 107941 32498 digits
n = 108829 32765 digits
n = 132547 39905 digits
n = 138917 41823 digits
n = 184979 55689 digits
n = 904967 272427 digits Jun 2012 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1306571 393321 digits Feb 2015 Hans Joachim Böhm; PSieve; srsieve; PrimeGrid; LLR
n = 1615753 486394 digits Feb 2021 Jan Kumsta; PSieve; srsieve; PrimeGrid; LLR
k: 6931
max n: 2.373.440
n = 8 7 digits
n = 24 12 digits
n = 132 44 digits
n = 248 79 digits
n = 296 93 digits
n = 548 169 digits
n = 1268 386 digits
n = 2088 633 digits
n = 28940 8716 digits
n = 218296 65718 digits
n = 302900 91186 digits
n = 440960 132747 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 578276 174083 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 6933
max n: 2.372.897
n = 2 5 digits
n = 9 7 digits
n = 32 14 digits
n = 36 15 digits
n = 45 18 digits
n = 54 21 digits
n = 90 31 digits
n = 138 46 digits
n = 254 81 digits
n = 581 179 digits
n = 684 210 digits
n = 1536 467 digits
n = 2256 683 digits
n = 2385 722 digits
n = 2964 897 digits
n = 3870 1169 digits 1993 Jeffrey Young
n = 4482 1354 digits 1993 Jeffrey Young
n = 5304 1601 digits
n = 7580 2286 digits
n = 18444 5557 digits
n = 26178 7885 digits
n = 30354 9142 digits
n = 39602 11926 digits
n = 41324 12444 digits Apr 1999 Tadashi Taura; Proth
n = 51516 15512 digits
n = 51941 15640 digits
n = 61596 18547 digits
n = 93402 28121 digits
n = 97842 29458 digits
n = 191874 57764 digits
n = 260556 78440 digits
n = 753894 226949 digits Feb 2012 Eugeny Mamonov; PSieve; srsieve; PrimeGrid; LLR
n = 841866 253431 digits Apr 2012 Dan Lowe; PSieve; srsieve; PrimeGrid; LLR
n = 1293849 389492 digits Sep 2014 John S Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1617900 487041 digits Feb 2021 Kenneth J. Brazier; PSieve; srsieve; PrimeGrid; LLR
n = 1868261 562407 digits Feb 2024 Robert Lacroix; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2291864 689924 digits Jul 2025 Kai Presler; PPSE; PrimeGrid
n = 2363916 711614 digits May 2026 PPSE; PrimeGrid
k: 6935
max n: 2.372.682
n = 7 6 digits
n = 9 7 digits
n = 33 14 digits
n = 43 17 digits
n = 499 155 digits
n = 627 193 digits
n = 855 262 digits
n = 1179 359 digits
n = 1423 433 digits
n = 1723 523 digits
n = 3309 1000 digits 1993 Jeffrey Young
n = 3759 1136 digits 1993 Jeffrey Young
n = 5037 1521 digits
n = 6345 1914 digits
n = 9273 2796 digits
n = 12693 3825 digits
n = 14679 4423 digits
n = 17995 5421 digits
n = 67875 20437 digits
n = 69187 20832 digits
n = 71415 21502 digits
n = 118183 35581 digits
n = 397615 119698 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 468063 140905 digits Oct 2009 Fred Roberts; srsieve; PrimeGrid; LLR
n = 515565 155205 digits Jun 2010 King Lin; PSieve; srsieve; PrimeGrid; LLR
n = 589819 177558 digits Dec 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 6937
max n: 2.372.823
n = 2 5 digits
n = 10 7 digits
n = 16 9 digits
n = 24 12 digits
n = 30 13 digits
n = 110 37 digits
n = 126 42 digits
n = 264 84 digits
n = 1270 387 digits
n = 1526 464 digits
n = 2682 812 digits
n = 3814 1152 digits 1993 Jeffrey Young
n = 13406 4040 digits
n = 15550 4685 digits
n = 23776 7162 digits
n = 30046 9049 digits
n = 73784 22216 digits
n = 280530 84452 digits
n = 329006 99045 digits
n = 331232 99715 digits
n = 545706 164278 digits Sep 2010 Jeremy M. Posner; PSieve; srsieve; PrimeGrid; LLR
n = 556030 167386 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 797086 239951 digits Mar 2012 Mark Burns; PSieve; srsieve; PrimeGrid; LLR
n = 1907330 574168 digits Feb 2024 Greg McDevitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1913986 576172 digits Feb 2024 Takeshi Nakamura; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6939
max n: 2.372.546
n = 1 5 digits
n = 18 10 digits
n = 35 15 digits
n = 37 15 digits
n = 38 16 digits
n = 54 21 digits
n = 233 74 digits
n = 298 94 digits
n = 301 95 digits
n = 491 152 digits
n = 545 168 digits
n = 574 177 digits
n = 757 232 digits
n = 837 256 digits
n = 887 271 digits
n = 1398 425 digits
n = 1481 450 digits
n = 2231 676 digits
n = 2807 849 digits
n = 2911 881 digits
n = 5475 1652 digits
n = 5931 1790 digits
n = 6461 1949 digits
n = 9770 2945 digits
n = 12258 3694 digits
n = 12458 3755 digits
n = 20613 6209 digits
n = 29927 9013 digits
n = 33786 10175 digits
n = 37961 11432 digits
n = 85703 25804 digits
n = 90558 27265 digits
n = 117038 35236 digits
n = 167665 50477 digits
n = 168746 50802 digits
n = 176995 53285 digits
n = 182277 54875 digits
n = 372398 112107 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 439391 132274 digits Dec 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 580635 174793 digits Nov 2010 Ricky L Hubbard; PSieve; srsieve; PrimeGrid; LLR
n = 1932903 581866 digits Mar 2024 Mike Doneske; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3361203 1011827 digits Apr 2021 Marc Wiseler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6941
max n: 2.372.704
n = 1 5 digits
n = 3 5 digits
n = 5 6 digits
n = 9 7 digits
n = 17 9 digits
n = 35 15 digits
n = 41 17 digits
n = 109 37 digits
n = 115 39 digits
n = 137 46 digits
n = 251 80 digits
n = 261 83 digits
n = 269 85 digits
n = 285 90 digits
n = 353 111 digits
n = 381 119 digits
n = 397 124 digits
n = 1017 310 digits
n = 1275 388 digits
n = 1567 476 digits
n = 1711 519 digits
n = 1945 590 digits
n = 3053 923 digits
n = 3809 1151 digits 1993 Jeffrey Young
n = 4149 1253 digits 1993 Jeffrey Young
n = 6085 1836 digits
n = 8337 2514 digits
n = 19277 5807 digits
n = 27381 8247 digits
n = 59401 17886 digits
n = 87245 26268 digits
n = 87797 26434 digits
n = 104083 31336 digits
n = 105953 31899 digits
n = 111699 33629 digits
n = 130787 39375 digits
n = 191193 57559 digits
n = 244987 73753 digits
n = 267301 80470 digits
n = 350659 105563 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 355485 107016 digits May 2012 PPSE; PrimeGrid
n = 369221 111151 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 404011 121624 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 486971 146597 digits Jan 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 491563 147980 digits Feb 2010 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 527453 158784 digits Jul 2010 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 727657 219051 digits Feb 2012 David Lawson; PSieve; srsieve; PrimeGrid; LLR
n = 1365861 411169 digits Nov 2015 Minki Li; PSieve; srsieve; PrimeGrid; LLR
n = 1390525 418594 digits Feb 2016 Serge Batalov; PSieve; srsieve; PrimeGrid; LLR
n = 1457765 438835 digits Sep 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1602145 482298 digits Sep 2020 Rudi Tapper; PSieve; srsieve; PrimeGrid; LLR
n = 1881401 566362 digits Feb 2024 David Åkesson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1950815 587258 digits Apr 2024 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2227905 670671 digits Feb 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6943
max n: 2.373.248
n = 2 5 digits
n = 28 13 digits
n = 32 14 digits
n = 46 18 digits
n = 68 25 digits
n = 116 39 digits
n = 188 61 digits
n = 242 77 digits
n = 802 246 digits
n = 1276 388 digits
n = 1888 573 digits
n = 2138 648 digits
n = 2492 755 digits
n = 3418 1033 digits 1993 Jeffrey Young
n = 6386 1927 digits
n = 43592 13127 digits
n = 68288 20561 digits
n = 145708 43867 digits
n = 201848 60767 digits
n = 389908 117378 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 956852 288045 digits Aug 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
k: 6945
max n: 2.371.975
n = 4 6 digits
n = 7 6 digits
n = 12 8 digits
n = 19 10 digits
n = 20 10 digits
n = 24 12 digits
n = 31 14 digits
n = 34 15 digits
n = 35 15 digits
n = 39 16 digits
n = 56 21 digits
n = 71 26 digits
n = 80 28 digits
n = 89 31 digits
n = 97 34 digits
n = 131 44 digits
n = 256 81 digits
n = 291 92 digits
n = 292 92 digits
n = 351 110 digits
n = 394 123 digits
n = 432 134 digits
n = 560 173 digits
n = 580 179 digits
n = 591 182 digits
n = 612 189 digits
n = 831 254 digits
n = 860 263 digits
n = 1944 590 digits
n = 3020 913 digits
n = 4555 1376 digits 1993 Jeffrey Young
n = 5151 1555 digits
n = 7219 2177 digits
n = 9700 2924 digits
n = 12522 3774 digits
n = 14676 4422 digits
n = 19329 5823 digits
n = 21847 6581 digits
n = 21976 6620 digits Oct 1996 Patrick Demichel
n = 24479 7373 digits Jan 1999 Baptiste Heyman; Proth
n = 33639 10131 digits
n = 34712 10454 digits
n = 49099 14785 digits
n = 57414 17288 digits
n = 57947 17448 digits
n = 93865 28261 digits
n = 231249 69617 digits
n = 249296 75050 digits
n = 269017 80987 digits
n = 320409 96457 digits
n = 324020 97544 digits
n = 459487 138324 digits Jun 2009 Jorden VanderElst; srsieve; PrimeGrid; LLR
n = 545499 164216 digits Sep 2010 Tony Gott; PSieve; srsieve; PrimeGrid; LLR
n = 545524 164223 digits Sep 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 626470 188591 digits Feb 2011 Steven F. Bohl; PSieve; srsieve; PrimeGrid; LLR
n = 791705 238331 digits Mar 2012 René Brückner; PSieve; srsieve; PrimeGrid; LLR
n = 861955 259479 digits May 2012 JensOla Ekström; PSieve; srsieve; PrimeGrid; LLR
n = 928168 279411 digits Jul 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 957092 288118 digits Aug 2012 Brian Carpenter; PSieve; srsieve; PrimeGrid; LLR
n = 1254274 377578 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1383699 416539 digits Feb 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1398651 421040 digits Mar 2016 Serge Batalov; PSieve; srsieve; PrimeGrid; LLR
n = 1581535 476094 digits Jul 2020 Duducz Juraj; PSieve; srsieve; PrimeGrid; LLR
n = 1683457 506775 digits Apr 2022 Fabio Moreira; PPSE; PrimeGrid
n = 2133740 642324 digits Jan 2025 Rene Schick; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2277956 685737 digits May 2025 Li Yawei; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3390340 1020598 digits Dec 2021 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3407256 1025691 digits Feb 2022 Thomas Brandt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6947
max n: 2.373.206
n = 23 11 digits
n = 35 15 digits
n = 83 29 digits
n = 119 40 digits
n = 179 58 digits
n = 219 70 digits
n = 227 73 digits
n = 339 106 digits
n = 387 121 digits
n = 419 130 digits
n = 459 143 digits
n = 519 161 digits
n = 1287 392 digits
n = 1487 452 digits
n = 1683 511 digits
n = 5423 1637 digits
n = 6999 2111 digits Mar 1996 Patrick Demichel
n = 20963 6315 digits
n = 22619 6813 digits
n = 43575 13122 digits
n = 62739 18891 digits
n = 264099 79506 digits
n = 293751 88432 digits
n = 579747 174526 digits Nov 2010 Rick Reynolds; PSieve; srsieve; PrimeGrid; LLR
n = 1003155 301984 digits Sep 2012 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 3357075 1010585 digits Feb 2021 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3416979 1028618 digits Apr 2022 Lucas Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6949
max n: 2.373.345
n = 10 7 digits
n = 18 10 digits
n = 66 24 digits
n = 850 260 digits
n = 1306 397 digits
n = 6450 1946 digits
n = 7258 2189 digits
n = 10146 3059 digits
n = 27466 8272 digits
n = 52938 15940 digits
n = 958458 288529 digits Aug 2012 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
k: 6951
max n: 2.372.794
n = 1 5 digits
n = 3 5 digits
n = 4 6 digits
n = 8 7 digits
n = 9 7 digits
n = 11 8 digits
n = 17 9 digits
n = 24 12 digits
n = 28 13 digits
n = 29 13 digits
n = 32 14 digits
n = 67 25 digits
n = 89 31 digits
n = 105 36 digits
n = 132 44 digits
n = 155 51 digits
n = 171 56 digits
n = 172 56 digits
n = 184 60 digits
n = 251 80 digits
n = 284 90 digits
n = 336 105 digits
n = 441 137 digits
n = 451 140 digits
n = 493 153 digits
n = 771 236 digits
n = 1371 417 digits
n = 1636 497 digits
n = 2049 621 digits
n = 2356 714 digits
n = 2632 797 digits
n = 3539 1070 digits 1993 Jeffrey Young
n = 4404 1330 digits 1993 Jeffrey Young
n = 5044 1523 digits
n = 5112 1543 digits
n = 6112 1844 digits
n = 8345 2516 digits
n = 8696 2622 digits
n = 17973 5415 digits
n = 27155 8179 digits
n = 30331 9135 digits
n = 33387 10055 digits
n = 33672 10141 digits
n = 56404 16984 digits
n = 67673 20376 digits
n = 74473 22423 digits
n = 83556 25157 digits
n = 105628 31802 digits
n = 106077 31937 digits
n = 133841 40294 digits
n = 172596 51961 digits
n = 173812 52327 digits
n = 178517 53743 digits
n = 196701 59217 digits May 2004 Chris Caldwell; Proth
n = 301195 90673 digits
n = 317851 95687 digits
n = 324251 97614 digits
n = 324708 97751 digits
n = 404045 121634 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 414633 124821 digits Oct 2012 Brian Carpenter; PPSE; PrimeGrid
n = 456425 137402 digits May 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 477717 143811 digits Oct 2009 Kouhei Ohyanagi; srsieve; PrimeGrid; LLR
n = 539611 162443 digits Aug 2010 Alexander Kappner; PSieve; srsieve; PrimeGrid; LLR
n = 552044 166186 digits Sep 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 653648 196772 digits Mar 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 830737 250081 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 919613 276835 digits Jun 2012 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1131451 340605 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1442312 434184 digits Feb 2017 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1501584 452026 digits Sep 2018 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 1767376 532038 digits Oct 2023 Alexey Simbarsky; PPSE; PrimeGrid
n = 1925125 579525 digits Feb 2024 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2369876 713408 digits Jun 2026 Emil Hristoskov; PPSE; PrimeGrid
k: 6953
max n: 2.373.140
n = 1 5 digits
n = 13 8 digits
n = 49 19 digits
n = 109 37 digits
n = 4269 1289 digits 1993 Jeffrey Young
n = 17049 5137 digits
n = 42169 12698 digits
n = 625629 188337 digits Feb 2011 Peter Valverius; PSieve; srsieve; PrimeGrid; LLR
n = 1297169 390491 digits Sep 2014 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
n = 1731097 521116 digits Jan 2023 PPSE; PrimeGrid
k: 6955
max n: 2.373.009
n = 8 7 digits
n = 10 7 digits
n = 12 8 digits
n = 14 9 digits
n = 18 10 digits
n = 38 16 digits
n = 64 24 digits
n = 78 28 digits
n = 106 36 digits
n = 234 75 digits
n = 358 112 digits
n = 456 142 digits
n = 582 180 digits
n = 680 209 digits
n = 1106 337 digits
n = 2000 606 digits
n = 2972 899 digits
n = 3342 1010 digits 1993 Jeffrey Young
n = 5208 1572 digits
n = 6178 1864 digits
n = 8008 2415 digits
n = 9420 2840 digits
n = 9632 2904 digits
n = 12458 3755 digits
n = 14530 4378 digits
n = 23664 7128 digits
n = 28018 8439 digits
n = 39936 12026 digits
n = 52442 15791 digits
n = 54538 16422 digits
n = 61450 18503 digits
n = 128328 38635 digits
n = 165176 49727 digits
n = 227742 68562 digits
n = 255102 76798 digits
n = 280720 84509 digits
n = 297944 89694 digits
n = 308508 92875 digits
n = 747474 225016 digits Feb 2012 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 765198 230352 digits Feb 2012 Douglas A. Wood; PSieve; srsieve; PrimeGrid; LLR
n = 792114 238454 digits Apr 2012 Darrell Hoffpauir; PSieve; srsieve; PrimeGrid; LLR
n = 1463326 440509 digits Dec 2017 Sammy Radomski; PSieve; srsieve; PrimeGrid; LLR
n = 2238680 673914 digits Feb 2025 Andrew Dunchouk; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6957
max n: 2.372.779
n = 16 9 digits
n = 20 10 digits
n = 38 16 digits
n = 44 18 digits
n = 62 23 digits
n = 83 29 digits
n = 94 33 digits
n = 119 40 digits
n = 190 62 digits
n = 286 90 digits
n = 838 257 digits
n = 1348 410 digits
n = 2044 620 digits
n = 2152 652 digits
n = 3167 958 digits
n = 7676 2315 digits
n = 14783 4454 digits
n = 15347 4624 digits
n = 20774 6258 digits
n = 22783 6863 digits
n = 23027 6936 digits
n = 39155 11791 digits
n = 40499 12196 digits
n = 44524 13407 digits
n = 82036 24700 digits
n = 84526 25449 digits
n = 97487 29351 digits
n = 170648 51375 digits
n = 209915 63195 digits
n = 319612 96217 digits
n = 345580 104034 digits Apr 2012 Brian Carpenter; PPSE; PrimeGrid
n = 563167 169535 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 736696 221772 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 992867 298887 digits Sep 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1083988 326317 digits Apr 2013 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
k: 6959
max n: 2.373.042
n = 3 5 digits
n = 9 7 digits
n = 13 8 digits
n = 17 9 digits
n = 27 12 digits
n = 33 14 digits
n = 35 15 digits
n = 49 19 digits
n = 53 20 digits
n = 163 53 digits
n = 177 58 digits
n = 315 99 digits
n = 379 118 digits
n = 513 159 digits
n = 549 170 digits
n = 727 223 digits
n = 933 285 digits
n = 1025 313 digits
n = 1745 530 digits
n = 1877 569 digits
n = 1905 578 digits
n = 4145 1252 digits 1993 Jeffrey Young
n = 5493 1658 digits
n = 8839 2665 digits
n = 15349 4625 digits
n = 16795 5060 digits
n = 23225 6996 digits
n = 23733 7149 digits
n = 26429 7960 digits
n = 28827 8682 digits
n = 40243 12119 digits
n = 60823 18314 digits
n = 83345 25094 digits
n = 108325 32613 digits
n = 110067 33138 digits
n = 148459 44695 digits
n = 231299 69632 digits
n = 263413 79300 digits
n = 324529 97697 digits
n = 1149753 346114 digits Aug 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1156969 348287 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1159909 349172 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1644089 494924 digits Sep 2021 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2232919 672180 digits Feb 2025 Yiran Huan; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3331365 1002845 digits Mar 2020 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
k: 6961
max n: 2.372.639
n = 12 8 digits
n = 24 12 digits
n = 32 14 digits
n = 156 51 digits
n = 320 101 digits
n = 500 155 digits
n = 672 207 digits
n = 3272 989 digits
n = 3548 1072 digits 1993 Jeffrey Young
n = 11144 3359 digits
n = 14804 4461 digits
n = 22920 6904 digits
n = 31016 9341 digits
n = 58332 17564 digits
n = 102284 30795 digits
n = 211556 63689 digits
n = 702764 211557 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 805700 242544 digits Mar 2012 Tim Rickard; PSieve; srsieve; PrimeGrid; LLR
n = 1314056 395575 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 6963
max n: 2.372.721
n = 4 6 digits
n = 6 6 digits
n = 10 7 digits
n = 12 8 digits
n = 16 9 digits
n = 34 15 digits
n = 42 17 digits
n = 54 21 digits
n = 190 62 digits
n = 268 85 digits
n = 316 99 digits
n = 340 107 digits
n = 372 116 digits
n = 417 130 digits
n = 912 279 digits
n = 1006 307 digits
n = 1380 420 digits
n = 1560 474 digits
n = 1756 533 digits
n = 1846 560 digits
n = 2208 669 digits
n = 2857 864 digits
n = 3100 938 digits
n = 4840 1461 digits 1993 Jeffrey Young
n = 7617 2297 digits May 1996 Patrick Demichel
n = 11962 3605 digits
n = 13773 4150 digits
n = 17344 5225 digits
n = 21553 6492 digits
n = 37024 11150 digits
n = 38016 11448 digits
n = 38856 11701 digits
n = 43506 13101 digits Apr 1999 Tadashi Taura; Proth
n = 103461 31149 digits
n = 115138 34664 digits
n = 118608 35709 digits
n = 163684 49278 digits
n = 163888 49340 digits
n = 215308 64819 digits
n = 228784 68875 digits
n = 247741 74582 digits
n = 260220 78338 digits
n = 296565 89279 digits
n = 466414 140409 digits Sep 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 510922 153807 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 637284 191846 digits Feb 2011 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 676056 203517 digits Aug 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 857856 258245 digits May 2012 Wdiz Willer; PSieve; srsieve; PrimeGrid; LLR
n = 862318 259588 digits May 2012 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 1580698 475842 digits Jun 2020 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 1887202 568109 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3437988 1034942 digits Nov 2022 Greg Miller; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6965
max n: 2.373.068
n = 1 5 digits
n = 3 5 digits
n = 7 6 digits
n = 11 8 digits
n = 23 11 digits
n = 25 12 digits
n = 91 32 digits
n = 101 35 digits
n = 157 52 digits
n = 203 65 digits
n = 299 94 digits
n = 431 134 digits
n = 457 142 digits
n = 467 145 digits
n = 503 156 digits
n = 557 172 digits
n = 677 208 digits
n = 703 216 digits
n = 1097 335 digits
n = 1843 559 digits
n = 4131 1248 digits 1993 Jeffrey Young
n = 6875 2074 digits Mar 1996 Patrick Demichel
n = 7289 2199 digits
n = 7581 2286 digits
n = 10505 3167 digits
n = 11529 3475 digits
n = 39339 11847 digits
n = 41823 12594 digits
n = 42463 12787 digits
n = 45829 13800 digits
n = 98505 29657 digits
n = 105635 31804 digits
n = 122431 36860 digits
n = 156837 47217 digits
n = 162679 48976 digits
n = 196771 59238 digits
n = 218847 65884 digits
n = 295987 89105 digits
n = 300923 90591 digits
n = 461159 138827 digits Jul 2009 Jari Pyyluoma; srsieve; PrimeGrid; LLR
n = 464349 139787 digits Aug 2009 Alan J Hidy; srsieve; PrimeGrid; LLR
n = 537389 161775 digits Aug 2010 Keith Pattenden; PSieve; srsieve; PrimeGrid; LLR
n = 755171 227333 digits Feb 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
n = 948701 285592 digits Jul 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1320263 397443 digits Mar 2015 Stefan Ruch; PSieve; srsieve; PrimeGrid; LLR
n = 1380261 415504 digits Feb 2016 David Yost; PSieve; srsieve; PrimeGrid; LLR
k: 6967
max n: 2.373.344
n = 8 7 digits
n = 20 10 digits
n = 70 25 digits
n = 160 53 digits
n = 178 58 digits
n = 246 78 digits
n = 694 213 digits
n = 986 301 digits
n = 998 305 digits
n = 1026 313 digits
n = 1230 375 digits
n = 2890 874 digits
n = 4448 1343 digits 1993 Jeffrey Young
n = 7640 2304 digits
n = 8226 2481 digits
n = 14744 4443 digits
n = 47656 14350 digits
n = 57866 17424 digits
n = 206980 62312 digits
n = 207028 62326 digits
n = 653560 196746 digits Mar 2011 Dmitriy Kodochigov; PSieve; srsieve; PrimeGrid; LLR
n = 1146224 345052 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1796934 540935 digits Jan 2024 Giovanni Valentino; PPSE; PrimeGrid
k: 6969
max n: 2.372.690
n = 5 6 digits
n = 21 11 digits
n = 22 11 digits
n = 41 17 digits
n = 71 26 digits
n = 89 31 digits
n = 123 41 digits
n = 145 48 digits
n = 193 62 digits
n = 197 64 digits
n = 202 65 digits
n = 265 84 digits
n = 387 121 digits
n = 597 184 digits
n = 601 185 digits
n = 699 215 digits
n = 915 280 digits
n = 1154 352 digits
n = 1471 447 digits
n = 3254 984 digits
n = 3257 985 digits
n = 3645 1102 digits 1993 Jeffrey Young
n = 3935 1189 digits
n = 4345 1312 digits 1993 Jeffrey Young
n = 6490 1958 digits
n = 7354 2218 digits May 1996 Patrick Demichel
n = 10667 3215 digits
n = 12614 3802 digits
n = 13189 3975 digits
n = 17425 5250 digits
n = 24431 7359 digits Aug 1998 Baptiste Heyman; Proth
n = 30637 9227 digits
n = 34145 10283 digits
n = 54573 16432 digits
n = 61462 18506 digits
n = 81382 24503 digits
n = 151431 45590 digits
n = 151683 45665 digits
n = 189975 57193 digits
n = 243765 73385 digits
n = 843439 253905 digits Apr 2012 Chen Hsun Chang; PSieve; srsieve; PrimeGrid; LLR
n = 934155 281213 digits Jul 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1219439 367092 digits Dec 2013 Bradley Skinner; PSieve; srsieve; PrimeGrid; LLR
n = 1248837 375942 digits Mar 2014 Josef Matousek; PSieve; srsieve; PrimeGrid; LLR
n = 1625482 489323 digits Feb 2021 Greg McDevitt; PSieve; srsieve; PrimeGrid; LLR
k: 6971
max n: 2.373.274
n = 25 12 digits
n = 29 13 digits
n = 1861 565 digits
n = 2137 648 digits
n = 8887 2680 digits
n = 17977 5416 digits
n = 20225 6093 digits
n = 25621 7717 digits
n = 57931 17443 digits
n = 61609 18551 digits
n = 1963991 591225 digits May 2024 Pablo Moreno; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6973
max n: 2.372.877
n = 2 5 digits
n = 6 6 digits
n = 12 8 digits
n = 16 9 digits
n = 32 14 digits
n = 38 16 digits
n = 58 22 digits
n = 66 24 digits
n = 88 31 digits
n = 298 94 digits
n = 366 115 digits
n = 396 124 digits
n = 422 131 digits
n = 426 133 digits
n = 782 240 digits
n = 1012 309 digits
n = 1692 514 digits
n = 2302 697 digits
n = 2362 715 digits
n = 2898 877 digits
n = 6612 1995 digits
n = 8822 2660 digits
n = 9198 2773 digits
n = 17246 5196 digits
n = 29568 8905 digits
n = 42172 12699 digits
n = 66718 20088 digits
n = 79862 24045 digits
n = 97266 29284 digits
n = 114338 34424 digits
n = 331876 99909 digits
n = 451858 136027 digits Apr 2009 Scott Wilder; srsieve; PrimeGrid; LLR
n = 622342 187348 digits Feb 2011 Annette Virlogeux; PSieve; srsieve; PrimeGrid; LLR
n = 807818 243182 digits Mar 2012 Sander Kõluvere; PSieve; srsieve; PrimeGrid; LLR
n = 1603226 482623 digits Sep 2020 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 6975
max n: 2.372.783
n = 2 5 digits
n = 6 6 digits
n = 11 8 digits
n = 12 8 digits
n = 39 16 digits
n = 59 22 digits
n = 68 25 digits
n = 74 27 digits
n = 81 29 digits
n = 137 46 digits
n = 141 47 digits
n = 156 51 digits
n = 294 93 digits
n = 381 119 digits
n = 597 184 digits
n = 614 189 digits
n = 618 190 digits
n = 824 252 digits
n = 1046 319 digits
n = 1329 404 digits
n = 1560 474 digits
n = 1668 506 digits
n = 1742 529 digits
n = 1758 534 digits
n = 2106 638 digits
n = 2174 659 digits
n = 2559 775 digits
n = 3327 1006 digits 1993 Jeffrey Young
n = 4109 1241 digits 1993 Jeffrey Young
n = 4556 1376 digits 1993 Jeffrey Young
n = 4698 1419 digits 1993 Jeffrey Young
n = 4811 1453 digits 1993 Jeffrey Young
n = 6050 1826 digits
n = 8034 2423 digits
n = 11189 3373 digits
n = 15132 4560 digits
n = 18039 5435 digits
n = 19074 5746 digits
n = 19227 5792 digits
n = 20894 6294 digits
n = 35627 10729 digits
n = 170592 51358 digits
n = 171329 51580 digits
n = 284819 85743 digits
n = 345110 103893 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 357788 107709 digits May 2012 PPSE; PrimeGrid
n = 411813 123972 digits Sep 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 411929 124007 digits Sep 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 465060 140001 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 518159 155986 digits Jul 2010 Dario Canossi; PSieve; srsieve; PrimeGrid; LLR
n = 541854 163119 digits Aug 2010 Axel Höpstein; PSieve; srsieve; PrimeGrid; LLR
n = 557127 167716 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 678332 204203 digits Aug 2011 Quasar Liao; PSieve; srsieve; PrimeGrid; LLR
n = 701910 211300 digits Sep 2011 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 803873 241994 digits Apr 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 807453 243072 digits Mar 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1172288 352898 digits Oct 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1628169 490132 digits Feb 2021 Robert Heindl; PSieve; srsieve; PrimeGrid; LLR
n = 1719018 517480 digits Nov 2022 Ryan Propper; PPSE; PrimeGrid
n = 1919292 577769 digits Feb 2024 Jürgen Hochwald; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1989096 598782 digits Aug 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2017229 607251 digits Dec 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 2079893 626115 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2275644 685041 digits May 2025 Ian Dickinson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6977
max n: 2.373.438
n = 3 5 digits
n = 14539 4381 digits
n = 22699 6837 digits
n = 36163 10890 digits
n = 163219 49138 digits
n = 1710679 514970 digits Sep 2022 William Thomas Broughton; PPSE; PrimeGrid
k: 6979
max n: 2.372.713
n = 2 5 digits
n = 6 6 digits
n = 10 7 digits
n = 18 10 digits
n = 30 13 digits
n = 34 15 digits
n = 38 16 digits
n = 82 29 digits
n = 338 106 digits
n = 450 140 digits
n = 1494 454 digits
n = 1734 526 digits
n = 1878 570 digits
n = 1986 602 digits
n = 2254 683 digits
n = 3638 1099 digits 1993 Jeffrey Young
n = 6966 2101 digits Mar 1996 Patrick Demichel
n = 8634 2603 digits
n = 8742 2636 digits
n = 8874 2676 digits
n = 14074 4241 digits
n = 43474 13091 digits
n = 122402 36851 digits
n = 312434 94056 digits
n = 381074 114719 digits Mar 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 632134 190296 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1929882 580957 digits Mar 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6981
max n: 2.372.776
n = 1 5 digits
n = 3 5 digits
n = 4 6 digits
n = 16 9 digits
n = 17 9 digits
n = 23 11 digits
n = 27 12 digits
n = 37 15 digits
n = 57 22 digits
n = 64 24 digits
n = 95 33 digits
n = 104 36 digits
n = 112 38 digits
n = 136 45 digits
n = 149 49 digits
n = 172 56 digits
n = 205 66 digits
n = 272 86 digits
n = 323 102 digits
n = 423 132 digits
n = 452 140 digits
n = 961 294 digits
n = 1024 313 digits
n = 1280 390 digits
n = 1436 437 digits
n = 2260 685 digits
n = 2289 693 digits
n = 2939 889 digits
n = 2995 906 digits
n = 3364 1017 digits 1993 Jeffrey Young
n = 3615 1093 digits 1993 Jeffrey Young
n = 3956 1195 digits 1993 Jeffrey Young
n = 4865 1469 digits 1993 Jeffrey Young
n = 4949 1494 digits 1993 Jeffrey Young
n = 5259 1587 digits
n = 11316 3411 digits
n = 12587 3793 digits
n = 14633 4409 digits
n = 19023 5731 digits
n = 20825 6273 digits
n = 22897 6897 digits
n = 23389 7045 digits
n = 27205 8194 digits
n = 29927 9013 digits
n = 31975 9630 digits
n = 35917 10816 digits
n = 42301 12738 digits
n = 42624 12835 digits
n = 45241 13623 digits
n = 65849 19827 digits
n = 98167 29556 digits
n = 99375 29919 digits
n = 99541 29969 digits
n = 117400 35345 digits
n = 130151 39184 digits
n = 140384 42264 digits
n = 142883 43016 digits
n = 144123 43390 digits
n = 181743 54714 digits
n = 258897 77940 digits
n = 318131 95771 digits
n = 395572 119083 digits Jul 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 444681 133867 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 515161 155083 digits Jun 2010 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 551027 165880 digits Sep 2010 Bradford Nye; PSieve; srsieve; PrimeGrid; LLR
n = 641452 193101 digits Feb 2011 Siegfried Niklas; PSieve; srsieve; PrimeGrid; LLR
n = 743960 223959 digits Feb 2012 Tomo Koscak; PSieve; srsieve; PrimeGrid; LLR
n = 1166795 351245 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1204555 362612 digits Dec 2013 Geoff Stirling; PSieve; srsieve; PrimeGrid; LLR
n = 1311253 394731 digits Feb 2015 Jason McManus; PSieve; srsieve; PrimeGrid; LLR
n = 1502616 452337 digits Oct 2018 Matthias Baur; PSieve; srsieve; PrimeGrid; LLR
n = 1578849 475285 digits Apr 2020 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
n = 2063321 621126 digits Jan 2025 Dr. James Scott Brown; PPSE; PrimeGrid
k: 6983
max n: 2.373.216
n = 1 5 digits
n = 397 124 digits
n = 733 225 digits
n = 757 232 digits
n = 1597 485 digits
n = 2625 795 digits
n = 2661 805 digits
n = 2881 872 digits
n = 8845 2667 digits
n = 9181 2768 digits
n = 10333 3115 digits
n = 10365 3125 digits
n = 15057 4537 digits
n = 135621 40830 digits
n = 178237 53659 digits
n = 328933 99023 digits
n = 577021 173705 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 783553 235877 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1181085 355546 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1711365 515177 digits Sep 2022 Randall Scalise; PPSE; PrimeGrid
k: 6985
max n: 2.372.841
n = 2 5 digits
n = 10 7 digits
n = 32 14 digits
n = 68 25 digits
n = 158 52 digits
n = 170 56 digits
n = 242 77 digits
n = 422 131 digits
n = 602 186 digits
n = 1094 334 digits
n = 1142 348 digits
n = 1186 361 digits
n = 1642 499 digits
n = 9428 2842 digits
n = 11138 3357 digits
n = 17858 5380 digits
n = 19628 5913 digits
n = 32924 9915 digits
n = 70910 21350 digits
n = 85460 25730 digits
n = 169634 51069 digits
n = 327202 98502 digits
n = 422468 127180 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 510110 153563 digits May 2010 Bjorn Lindberg; PSieve; srsieve; PrimeGrid; LLR
n = 552590 166351 digits Sep 2010 Sergey Lovov; PSieve; srsieve; PrimeGrid; LLR
n = 763568 229861 digits Feb 2012 Darrell Hoffpauir; PSieve; srsieve; PrimeGrid; LLR
n = 801182 241184 digits Mar 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 1823674 548985 digits Jan 2024 Florian Gnann; PPSE; PrimeGrid
k: 6987
max n: 2.372.875
n = 3 5 digits
n = 8 7 digits
n = 12 8 digits
n = 28 13 digits
n = 35 15 digits
n = 36 15 digits
n = 39 16 digits
n = 50 19 digits
n = 63 23 digits
n = 78 28 digits
n = 100 34 digits
n = 123 41 digits
n = 130 43 digits
n = 142 47 digits
n = 147 49 digits
n = 150 49 digits
n = 196 63 digits
n = 207 67 digits
n = 266 84 digits
n = 320 101 digits
n = 340 107 digits
n = 508 157 digits
n = 606 187 digits
n = 616 190 digits
n = 646 199 digits
n = 831 255 digits
n = 966 295 digits
n = 1408 428 digits
n = 2128 645 digits
n = 2147 651 digits
n = 2628 795 digits
n = 2695 816 digits
n = 3646 1102 digits 1993 Jeffrey Young
n = 4298 1298 digits 1993 Jeffrey Young
n = 4428 1337 digits 1993 Jeffrey Young
n = 4568 1379 digits 1993 Jeffrey Young
n = 5826 1758 digits
n = 8086 2438 digits
n = 9142 2756 digits
n = 10846 3269 digits
n = 13140 3960 digits
n = 14499 4369 digits
n = 15632 4710 digits
n = 17088 5148 digits
n = 18300 5513 digits
n = 19426 5852 digits
n = 20510 6178 digits
n = 20710 6239 digits
n = 22696 6837 digits
n = 27858 8390 digits
n = 29016 8739 digits
n = 34899 10510 digits
n = 36856 11099 digits
n = 39552 11911 digits
n = 50620 15242 digits
n = 64008 19273 digits
n = 76312 22977 digits
n = 92390 27817 digits
n = 108867 32777 digits
n = 134122 40379 digits
n = 157748 47491 digits
n = 199822 60157 digits
n = 223862 67394 digits
n = 423658 127538 digits Nov 2012 Konstantin Manz; PPSE; PrimeGrid
n = 425582 128117 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 679786 204640 digits Aug 2011 Peter Verstappen; PSieve; srsieve; PrimeGrid; LLR
n = 798542 240389 digits Mar 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 816340 245747 digits Apr 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 999648 300928 digits Sep 2012 Danny T. Morris; PSieve; srsieve; PrimeGrid; LLR
n = 1452936 437382 digits Jul 2017 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 2007492 604320 digits Oct 2024 PPSE; PrimeGrid
n = 3323926 1000606 digits Sep 2019 Ben Landrum; PSieve; srsieve; PrimeGrid; LLR
k: 6989
max n: 2.373.284
n = 21 11 digits
n = 105 36 digits
n = 197 64 digits
n = 281 89 digits
n = 479 149 digits
n = 497 154 digits
n = 801 245 digits
n = 1149 350 digits
n = 2997 907 digits
n = 5985 1806 digits
n = 16857 5079 digits
n = 17037 5133 digits
n = 37197 11202 digits
n = 45809 13794 digits
n = 929441 279794 digits Jul 2012 Ernst Fluttert; PSieve; srsieve; PrimeGrid; LLR
n = 983159 295965 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1341017 403691 digits Jun 2015 John Hadlow; PSieve; srsieve; PrimeGrid; LLR
n = 1593497 479695 digits Sep 2020 George Bolton; PSieve; srsieve; PrimeGrid; LLR
k: 6991
max n: 2.373.460
n = 4 6 digits
n = 12 8 digits
n = 28 13 digits
n = 112 38 digits
n = 312 98 digits
n = 364 114 digits
n = 940 287 digits
n = 1744 529 digits
n = 2404 728 digits
n = 7468 2252 digits May 1996 Patrick Demichel
n = 25224 7598 digits
n = 264072 79498 digits
n = 955392 287606 digits Jul 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1535128 462124 digits Apr 2019 Edward McKernan; PSieve; srsieve; PrimeGrid; LLR
n = 1895404 570578 digits Feb 2024 Ian Dickinson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6993
max n: 2.372.792
n = 8 7 digits
n = 13 8 digits
n = 20 10 digits
n = 28 13 digits
n = 29 13 digits
n = 50 19 digits
n = 54 21 digits
n = 97 34 digits
n = 165 54 digits
n = 170 56 digits
n = 277 88 digits
n = 481 149 digits
n = 510 158 digits
n = 641 197 digits
n = 1453 442 digits
n = 1710 519 digits
n = 1969 597 digits
n = 4160 1257 digits 1993 Jeffrey Young
n = 5005 1511 digits
n = 6698 2021 digits Mar 1996 Patrick Demichel
n = 8708 2626 digits
n = 8950 2699 digits
n = 14350 4324 digits
n = 19217 5789 digits
n = 23956 7216 digits
n = 24169 7280 digits
n = 37288 11229 digits
n = 41217 12412 digits
n = 41426 12475 digits
n = 48913 14729 digits
n = 62206 18730 digits
n = 70453 21213 digits
n = 104637 31503 digits
n = 128785 38772 digits
n = 135094 40672 digits
n = 180641 54383 digits
n = 217849 65583 digits
n = 218789 65866 digits
n = 432893 130318 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 441858 133017 digits Dec 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 595029 179126 digits Dec 2010 Anthony Storch; PSieve; srsieve; PrimeGrid; LLR
n = 702937 211609 digits Sep 2011 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 1258269 378781 digits Apr 2014 Travis Parker; PSieve; srsieve; PrimeGrid; LLR
k: 6995
max n: 2.372.790
n = 5 6 digits
n = 7 6 digits
n = 21 11 digits
n = 23 11 digits
n = 29 13 digits
n = 37 15 digits
n = 87 31 digits
n = 91 32 digits
n = 115 39 digits
n = 123 41 digits
n = 131 44 digits
n = 151 50 digits
n = 179 58 digits
n = 247 79 digits
n = 275 87 digits
n = 317 100 digits
n = 423 132 digits
n = 437 136 digits
n = 613 189 digits
n = 1095 334 digits
n = 1543 469 digits
n = 2549 772 digits
n = 4059 1226 digits 1993 Jeffrey Young
n = 4291 1296 digits 1993 Jeffrey Young
n = 5155 1556 digits
n = 5467 1650 digits
n = 6189 1867 digits
n = 6191 1868 digits
n = 7151 2157 digits
n = 7191 2169 digits
n = 8223 2480 digits
n = 19727 5943 digits
n = 23589 7105 digits
n = 25567 7701 digits
n = 26231 7901 digits
n = 28867 8694 digits
n = 29331 8834 digits
n = 57207 17225 digits
n = 71501 21528 digits
n = 90727 27316 digits
n = 92189 27756 digits
n = 99301 29897 digits
n = 138573 41719 digits
n = 302085 90941 digits
n = 328271 98824 digits
n = 346667 104362 digits Apr 2012 Bruce Dodson; PPSE; PrimeGrid
n = 676549 203666 digits Aug 2011 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 900099 270961 digits Jun 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1274071 383538 digits May 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1446891 435562 digits Apr 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1930951 581279 digits Mar 2024 G. C. Greubel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 6997
max n: 2.372.789
n = 4 6 digits
n = 10 7 digits
n = 12 8 digits
n = 28 13 digits
n = 32 14 digits
n = 42 17 digits
n = 54 21 digits
n = 70 25 digits
n = 102 35 digits
n = 142 47 digits
n = 166 54 digits
n = 220 71 digits
n = 248 79 digits
n = 262 83 digits
n = 352 110 digits
n = 538 166 digits
n = 644 198 digits
n = 768 236 digits
n = 2052 622 digits
n = 2170 658 digits
n = 2364 716 digits
n = 5504 1661 digits
n = 5620 1696 digits
n = 7438 2243 digits
n = 7476 2255 digits
n = 18532 5583 digits
n = 53444 16093 digits
n = 63630 19159 digits
n = 65394 19690 digits
n = 68912 20749 digits
n = 111232 33489 digits
n = 181086 54517 digits
n = 253644 76359 digits
n = 440592 132636 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 571830 172142 digits Nov 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 616848 185694 digits Jan 2011 Daisuke Goto; PSieve; srsieve; PrimeGrid; LLR
n = 1337458 402619 digits Jun 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1706518 513717 digits Aug 2022 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2309850 695338 digits Sep 2025 Juha Hauhia; PPSE; PrimeGrid
k: 6999
max n: 2.372.313
n = 1 5 digits
n = 2 5 digits
n = 5 6 digits
n = 10 7 digits
n = 13 8 digits
n = 14 9 digits
n = 31 14 digits
n = 41 17 digits
n = 55 21 digits
n = 65 24 digits
n = 109 37 digits
n = 122 41 digits
n = 125 42 digits
n = 170 56 digits
n = 262 83 digits
n = 649 200 digits
n = 850 260 digits
n = 874 267 digits
n = 911 279 digits
n = 955 292 digits
n = 1346 410 digits
n = 2675 810 digits
n = 2809 850 digits
n = 4411 1332 digits 1993 Jeffrey Young
n = 9461 2852 digits
n = 10543 3178 digits
n = 20695 6234 digits
n = 22870 6889 digits
n = 33398 10058 digits
n = 109714 33032 digits
n = 119513 35981 digits
n = 128059 38554 digits
n = 136019 40950 digits
n = 189553 57065 digits
n = 265715 79993 digits
n = 821350 247255 digits Apr 2012 Sergey Kuznetsov; PSieve; srsieve; PrimeGrid; LLR
n = 1013045 304961 digits Oct 2012 Nick Merrylees; PSieve; srsieve; PrimeGrid; LLR
n = 1065254 320678 digits Apr 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1392578 419212 digits Feb 2016 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1579481 475476 digits May 2020 Greg Miller; PSieve; srsieve; PrimeGrid; LLR
n = 2129786 641134 digits Jan 2025 Roman Krompolc; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2227141 670441 digits Feb 2025 Jordan Romaidis; LLR2; PSieve; srsieve; PrimeGrid; LLR