Known Proth primes ; 4000 < k < 5000
Expression: k * 2^n + 1
k: 4001
max n: 2.372.784
n = 3 5 digits
n = 5 6 digits
n = 13 8 digits
n = 95 33 digits
n = 109 37 digits
n = 145 48 digits
n = 155 51 digits
n = 189 61 digits
n = 287 90 digits
n = 615 189 digits
n = 883 270 digits
n = 899 275 digits
n = 1583 481 digits
n = 2001 606 digits
n = 2509 759 digits
n = 2557 774 digits
n = 3097 936 digits
n = 3409 1030 digits 1993 Jeffrey Young
n = 11313 3410 digits
n = 14363 4328 digits
n = 16637 5012 digits
n = 23357 7035 digits
n = 48085 14479 digits
n = 56597 17041 digits
n = 59383 17880 digits
n = 88939 26777 digits
n = 117637 35416 digits
n = 221511 66686 digits
n = 258089 77697 digits
n = 272729 82104 digits
n = 873163 262852 digits May 2012 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1418485 427011 digits Aug 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2218067 667709 digits Feb 2025 Michael Millerick; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3334031 1003647 digits May 2020 Ossi Mauno; PSieve; srsieve; PrimeGrid; LLR
k: 4003
max n: 2.373.388
n = 28 13 digits
n = 232 74 digits
n = 272 86 digits
n = 412 128 digits
n = 718 220 digits
n = 754 231 digits
n = 1796 545 digits
n = 2212 670 digits
n = 2242 679 digits
n = 7354 2218 digits May 1996 Patrick Demichel
n = 10324 3112 digits
n = 19252 5800 digits
n = 23576 7101 digits
n = 25238 7601 digits
n = 38306 11535 digits
n = 43354 13055 digits
n = 172874 52044 digits
n = 189272 56981 digits
n = 206702 62228 digits
n = 491924 148088 digits Mar 2010 Huaiyu Wu; PSieve; srsieve; PrimeGrid; LLR
n = 724196 218009 digits Nov 2011 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1571218 472988 digits Feb 2020 Michael Gutierrez; PSieve; srsieve; PrimeGrid; LLR
n = 2238164 673759 digits Feb 2025 Frederik Schiøler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3338588 1005019 digits Oct 2020 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 4005
max n: 2.372.699
n = 1 4 digits
n = 4 5 digits
n = 7 6 digits
n = 8 7 digits
n = 17 9 digits
n = 20 10 digits
n = 22 11 digits
n = 28 13 digits
n = 53 20 digits
n = 57 21 digits
n = 58 22 digits
n = 60 22 digits
n = 69 25 digits
n = 84 29 digits
n = 86 30 digits
n = 87 30 digits
n = 113 38 digits
n = 119 40 digits
n = 131 44 digits
n = 132 44 digits
n = 206 66 digits
n = 231 74 digits
n = 251 80 digits
n = 252 80 digits
n = 293 92 digits
n = 374 117 digits
n = 380 118 digits
n = 389 121 digits
n = 463 143 digits
n = 602 185 digits
n = 604 186 digits
n = 711 218 digits
n = 744 228 digits
n = 884 270 digits
n = 1021 311 digits
n = 1092 333 digits
n = 1138 347 digits
n = 1237 376 digits
n = 1238 377 digits
n = 1250 380 digits
n = 1668 506 digits
n = 1817 551 digits
n = 1980 600 digits
n = 2271 688 digits
n = 2372 718 digits
n = 2373 718 digits
n = 2578 780 digits
n = 2993 905 digits
n = 3047 921 digits
n = 3492 1055 digits 1993 Jeffrey Young
n = 3507 1060 digits 1993 Jeffrey Young
n = 4046 1222 digits 1993 Jeffrey Young
n = 4241 1281 digits 1993 Jeffrey Young
n = 4778 1442 digits 1993 Jeffrey Young
n = 5613 1694 digits
n = 5984 1805 digits
n = 6171 1862 digits
n = 7589 2289 digits May 1996 Patrick Demichel
n = 9097 2743 digits
n = 10008 3017 digits
n = 11637 3507 digits
n = 14990 4517 digits
n = 15564 4689 digits
n = 17668 5323 digits
n = 17680 5326 digits
n = 19017 5729 digits
n = 22791 6865 digits
n = 26324 7928 digits
n = 28282 8518 digits
n = 32534 9798 digits
n = 32702 9848 digits
n = 35200 10600 digits
n = 36392 10959 digits
n = 57240 17235 digits
n = 62896 18938 digits
n = 71270 21459 digits
n = 122878 36994 digits
n = 163101 49102 digits
n = 191733 57721 digits
n = 191836 57752 digits
n = 203573 61286 digits
n = 214658 64623 digits
n = 280499 84443 digits
n = 325696 98048 digits
n = 339713 102268 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 382420 115124 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 397704 119725 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 425151 127987 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 429896 129416 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 436298 131343 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 475911 143268 digits Nov 2009 Rune Fredriksen; srsieve; PrimeGrid; LLR
n = 574394 172914 digits Nov 2010 Pascal Vandaele; PSieve; srsieve; PrimeGrid; LLR
n = 662684 199492 digits Apr 2011 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 715380 215355 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 776093 233631 digits Feb 2012 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 839422 252695 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 850412 256004 digits May 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 891183 268277 digits Jun 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 950712 286197 digits Jul 2012 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1195016 359740 digits Nov 2013 Matthew Ledford; PSieve; srsieve; PrimeGrid; LLR
n = 1224094 368493 digits Dec 2013 Joshua Green; PSieve; srsieve; PrimeGrid; LLR
n = 1386872 417494 digits Feb 2016 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1555509 468259 digits Jan 2020 Anthony Ayiomamitis; PSieve; srsieve; PrimeGrid; LLR
n = 1587347 477843 digits Sep 2020 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 1657429 498940 digits Feb 2022 Keith Reinhardt; PSieve; srsieve; PrimeGrid; LLR
n = 1863471 560965 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1997961 601450 digits Sep 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2019406 607906 digits Dec 2024 Kai Presler; PPSE; PrimeGrid
n = 2066040 621944 digits Jan 2025 John Natividad; PPSE; PrimeGrid
n = 2149747 647142 digits Feb 2025 Dawid Kwiatkowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4007
max n: 2.373.358
n = 3 5 digits
n = 11 7 digits
n = 131 44 digits
n = 371 116 digits
n = 1119 341 digits
n = 1739 528 digits
n = 2379 720 digits
n = 85655 25789 digits
n = 1543343 464597 digits Jul 2019 Yuki Ito; PSieve; srsieve; PrimeGrid; LLR
n = 1934955 582484 digits Mar 2024 Andrew McNary; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2220035 668301 digits Feb 2025 Todd Pickering; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2321343 698798 digits Nov 2025 William Bailey; PPSE; PrimeGrid
k: 4009
max n: 2.372.417
n = 6 6 digits
n = 10 7 digits
n = 22 11 digits
n = 42 17 digits
n = 510 158 digits
n = 574 177 digits
n = 1246 379 digits
n = 1566 476 digits
n = 11358 3423 digits
n = 19894 5993 digits
n = 27310 8225 digits
n = 45454 13687 digits
n = 82114 24723 digits
k: 4011
max n: 2.372.360
n = 3 5 digits
n = 11 7 digits
n = 13 8 digits
n = 15 9 digits
n = 17 9 digits
n = 23 11 digits
n = 27 12 digits
n = 51 19 digits
n = 53 20 digits
n = 87 30 digits
n = 117 39 digits
n = 123 41 digits
n = 155 51 digits
n = 171 56 digits
n = 239 76 digits
n = 265 84 digits
n = 532 164 digits
n = 555 171 digits
n = 587 181 digits
n = 629 193 digits
n = 753 231 digits
n = 1163 354 digits
n = 1212 369 digits
n = 1332 405 digits
n = 1551 471 digits
n = 1557 473 digits
n = 1660 504 digits
n = 1833 556 digits
n = 2105 638 digits
n = 2571 778 digits
n = 5895 1779 digits
n = 6716 2026 digits Mar 1996 Patrick Demichel
n = 9507 2866 digits
n = 9613 2898 digits
n = 10323 3112 digits
n = 11571 3487 digits
n = 11847 3570 digits
n = 11956 3603 digits
n = 12737 3838 digits
n = 18101 5453 digits
n = 35475 10683 digits Feb 1999 Tadashi Taura; Proth
n = 39053 11760 digits Dec 1998 Henri Lifchitz; Proth
n = 41089 12373 digits
n = 46047 13866 digits
n = 46523 14009 digits
n = 49851 15011 digits
n = 53777 16193 digits Feb 1999 Tadashi Taura; Proth
n = 54973 16553 digits
n = 59436 17896 digits
n = 94035 28311 digits
n = 100971 30399 digits
n = 127125 38273 digits
n = 169076 50901 digits
n = 294345 88611 digits
n = 324747 97763 digits
n = 606676 182632 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 637965 192051 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 738069 222185 digits Feb 2012 Pavel Pryazhentsev; PSieve; srsieve; PrimeGrid; LLR
n = 1743011 524703 digits May 2023 Ryan Propper; PPSE; PrimeGrid
n = 1815671 546576 digits Jan 2024 Jürgen Hochwald; PPSE; PrimeGrid
k: 4013
max n: 2.373.124
n = 21 10 digits
n = 77 27 digits
n = 165 54 digits
n = 217 69 digits
n = 225 72 digits
n = 3361 1016 digits 1993 Jeffrey Young
n = 3845 1162 digits 1993 Jeffrey Young
n = 7021 2118 digits Mar 1996 Patrick Demichel
n = 7637 2303 digits May 1996 Patrick Demichel
n = 10985 3311 digits
n = 347845 104716 digits Dec 2008 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 695917 209496 digits Sep 2011 Carlos Jesus; PSieve; srsieve; PrimeGrid; LLR
n = 1141357 343587 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1906977 574061 digits Feb 2024 Cédric Latge; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4015
max n: 2.372.937
n = 2 5 digits
n = 8 7 digits
n = 10 7 digits
n = 14 8 digits
n = 18 10 digits
n = 20 10 digits
n = 22 11 digits
n = 68 25 digits
n = 78 28 digits
n = 82 29 digits
n = 92 32 digits
n = 292 92 digits
n = 414 129 digits
n = 420 131 digits
n = 466 144 digits
n = 478 148 digits
n = 540 167 digits
n = 570 176 digits
n = 734 225 digits
n = 738 226 digits
n = 1142 348 digits
n = 2198 666 digits
n = 2856 864 digits
n = 5218 1575 digits
n = 5574 1682 digits
n = 5902 1781 digits
n = 7348 2216 digits May 1996 Patrick Demichel
n = 11862 3575 digits
n = 31898 9606 digits
n = 42190 12705 digits
n = 44036 13260 digits
n = 51622 15544 digits
n = 53306 16051 digits
n = 55868 16822 digits
n = 64522 19427 digits
n = 71966 21668 digits
n = 82740 24911 digits
n = 142344 42854 digits
n = 173170 52133 digits
n = 178424 53715 digits
n = 182562 54961 digits
n = 197768 59538 digits
n = 249996 75260 digits
n = 251832 75813 digits
n = 324790 97776 digits
n = 326794 98379 digits
n = 416498 125382 digits Oct 2012 Bart Kus; PPSE; PrimeGrid
n = 422812 127283 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 425182 127997 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 459806 138420 digits Jun 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 463156 139428 digits Jul 2009 Ian Bartholomew; srsieve; PrimeGrid; LLR
n = 504626 151912 digits May 2010 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 524982 158039 digits Jul 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 1010210 304108 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1317996 396760 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1364024 410616 digits Oct 2015 Jesper Hedlund; PSieve; srsieve; PrimeGrid; LLR
n = 1539048 463304 digits May 2019 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 1647822 496048 digits Oct 2021 Pete Allivato; PSieve; srsieve; PrimeGrid; LLR
k: 4017
max n: 2.372.526
n = 2 5 digits
n = 7 6 digits
n = 16 9 digits
n = 22 11 digits
n = 26 12 digits
n = 31 13 digits
n = 35 15 digits
n = 50 19 digits
n = 70 25 digits
n = 76 27 digits
n = 79 28 digits
n = 196 63 digits
n = 230 73 digits
n = 259 82 digits
n = 266 84 digits
n = 290 91 digits
n = 391 122 digits
n = 658 202 digits
n = 986 301 digits
n = 1072 327 digits
n = 1898 575 digits
n = 1916 581 digits
n = 2302 697 digits
n = 3172 959 digits
n = 3559 1075 digits 1993 Jeffrey Young
n = 5356 1616 digits
n = 5768 1740 digits
n = 8426 2541 digits May 1996 Patrick Demichel
n = 9407 2836 digits
n = 9599 2894 digits
n = 14696 4428 digits
n = 33743 10162 digits
n = 50138 15097 digits
n = 55070 16582 digits
n = 69838 21027 digits
n = 104956 31599 digits
n = 168236 50648 digits
n = 206978 62311 digits
n = 236407 71170 digits
n = 242156 72900 digits
n = 824978 248347 digits Apr 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 967996 291400 digits Aug 2012 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1213348 365258 digits Dec 2013 Marshall Bishop; PSieve; srsieve; PrimeGrid; OpenPFGW; LLR
k: 4019
max n: 2.373.038
n = 1 4 digits
n = 7 6 digits
n = 9 7 digits
n = 15 9 digits
n = 19 10 digits
n = 25 12 digits
n = 37 15 digits
n = 155 51 digits
n = 157 51 digits
n = 229 73 digits
n = 261 83 digits
n = 279 88 digits
n = 405 126 digits
n = 511 158 digits
n = 1787 542 digits
n = 2269 687 digits
n = 2407 729 digits
n = 2661 805 digits
n = 3765 1137 digits 1993 Jeffrey Young
n = 4579 1383 digits 1993 Jeffrey Young
n = 6511 1964 digits
n = 8779 2647 digits
n = 8919 2689 digits
n = 9475 2856 digits
n = 10531 3174 digits
n = 11289 3402 digits
n = 13415 4042 digits
n = 13479 4062 digits
n = 17579 5296 digits
n = 29807 8977 digits
n = 33181 9993 digits
n = 39991 12043 digits
n = 54741 16483 digits
n = 54885 16526 digits
n = 62987 18965 digits
n = 65867 19832 digits
n = 69001 20775 digits
n = 107759 32443 digits
n = 123355 37138 digits
n = 128397 38655 digits
n = 355327 106968 digits May 2012 PPSE; PrimeGrid
n = 488301 146997 digits Feb 2010 Ian Dickinson; PSieve; srsieve; PrimeGrid; LLR
n = 498079 149941 digits Apr 2010 Steve Martin; PSieve; srsieve; PrimeGrid; LLR
n = 1048655 315681 digits Feb 2013 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 1163965 350392 digits Sep 2013 Clemens G. Raab; PSieve; srsieve; PrimeGrid; LLR
n = 1244799 374726 digits Feb 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1405291 423039 digits May 2016 Sebastian Rädle; PSieve; srsieve; PrimeGrid; LLR
n = 1639831 493642 digits Jun 2021 Tuna Ertemalp; PSieve; srsieve; PrimeGrid; LLR
n = 1780499 535988 digits Dec 2023 Vaughan Davies; PPSE; PrimeGrid
n = 1900405 572083 digits Feb 2024 Greg McDevitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4021
max n: 2.373.152
n = 24 11 digits
n = 32 14 digits
n = 128 43 digits
n = 168 55 digits
n = 632 194 digits
n = 1400 426 digits
n = 3668 1108 digits 1993 Jeffrey Young
n = 9072 2735 digits
n = 28608 8616 digits
n = 225500 67886 digits
k: 4023
max n: 2.372.624
n = 6 6 digits
n = 9 7 digits
n = 34 14 digits
n = 90 31 digits
n = 93 32 digits
n = 117 39 digits
n = 310 97 digits
n = 321 101 digits
n = 690 212 digits
n = 904 276 digits
n = 1557 473 digits
n = 2020 612 digits
n = 2253 682 digits
n = 2338 708 digits
n = 6813 2055 digits Mar 1996 Patrick Demichel
n = 7360 2220 digits May 1996 Patrick Demichel
n = 8025 2420 digits May 1996 Patrick Demichel
n = 9990 3011 digits
n = 10137 3056 digits
n = 16690 5028 digits
n = 18690 5630 digits
n = 33730 10158 digits
n = 34390 10357 digits
n = 104410 31435 digits
n = 185056 55712 digits
n = 195840 58958 digits
n = 214828 64674 digits
n = 283878 85460 digits
n = 513736 154654 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1110105 334179 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1451160 436847 digits Jun 2017 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
k: 4025
max n: 2.372.988
n = 9 7 digits
n = 11 7 digits
n = 25 12 digits
n = 31 13 digits
n = 47 18 digits
n = 67 24 digits
n = 85 30 digits
n = 227 72 digits
n = 287 91 digits
n = 305 96 digits
n = 917 280 digits
n = 1003 306 digits
n = 1125 343 digits
n = 1717 521 digits
n = 1919 582 digits
n = 2109 639 digits
n = 2857 864 digits
n = 3203 968 digits
n = 4161 1257 digits 1993 Jeffrey Young
n = 7721 2328 digits May 1996 Patrick Demichel
n = 9901 2985 digits
n = 11545 3479 digits
n = 11591 3493 digits
n = 14251 4294 digits
n = 19781 5959 digits
n = 32879 9902 digits
n = 37097 11171 digits
n = 60583 18241 digits
n = 80243 24160 digits
n = 82451 24824 digits
n = 85897 25862 digits
n = 126209 37997 digits
n = 140755 42376 digits
n = 157219 47332 digits
n = 160353 48275 digits
n = 189909 57172 digits
n = 240911 72526 digits
n = 310449 93459 digits
n = 331645 99839 digits
n = 339091 102081 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 441089 132785 digits Dec 2012 Sascha Thorsten Dietsch; PPSE; PrimeGrid
n = 490457 147646 digits Feb 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 778833 234456 digits Feb 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 807481 243080 digits Mar 2012 David Francis; PSieve; srsieve; PrimeGrid; LLR
n = 1187135 357367 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1703269 512739 digits Jul 2022 Philippe Nodirahl; PPSE; PrimeGrid
k: 4027
max n: 2.372.753
n = 4 5 digits
n = 12 8 digits
n = 14 8 digits
n = 16 9 digits
n = 42 17 digits
n = 58 22 digits
n = 60 22 digits
n = 70 25 digits
n = 94 32 digits
n = 106 36 digits
n = 168 55 digits
n = 282 89 digits
n = 426 132 digits
n = 940 287 digits
n = 1114 339 digits
n = 2032 616 digits
n = 2174 659 digits
n = 4202 1269 digits 1993 Jeffrey Young
n = 4438 1340 digits 1993 Jeffrey Young
n = 5440 1642 digits
n = 15676 4723 digits
n = 16718 5037 digits May 1996 Patrick Demichel
n = 19576 5897 digits
n = 25850 7786 digits
n = 29402 8855 digits
n = 32918 9913 digits
n = 72400 21799 digits
n = 76732 23103 digits
n = 83506 25142 digits
n = 95626 28790 digits
n = 101110 30441 digits
n = 160870 48431 digits
n = 161632 48660 digits
n = 173750 52308 digits
n = 236102 71078 digits
n = 264478 79620 digits
n = 314268 94608 digits
n = 1080120 325153 digits Apr 2013 Serge Batalov; PSieve; srsieve; PrimeGrid; LLR
n = 1237866 372639 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2015218 606645 digits Nov 2024 PPSE; PrimeGrid
k: 4029
max n: 2.372.988
n = 1 4 digits
n = 3 5 digits
n = 6 6 digits
n = 13 8 digits
n = 14 8 digits
n = 18 10 digits
n = 23 11 digits
n = 29 13 digits
n = 73 26 digits
n = 74 26 digits
n = 79 28 digits
n = 89 31 digits
n = 93 32 digits
n = 102 35 digits
n = 143 47 digits
n = 291 92 digits
n = 361 113 digits
n = 371 116 digits
n = 482 149 digits
n = 2686 813 digits
n = 2711 820 digits
n = 3209 970 digits
n = 5953 1796 digits
n = 6221 1877 digits
n = 6751 2036 digits Mar 1996 Patrick Demichel
n = 16166 4871 digits
n = 16262 4899 digits
n = 19911 5998 digits
n = 22814 6872 digits 1996 Patrick Demichel
n = 38549 11609 digits
n = 44329 13348 digits
n = 52921 15935 digits
n = 69079 20799 digits
n = 83882 25255 digits
n = 101309 30501 digits
n = 128198 38596 digits
n = 161346 48574 digits
n = 200134 60250 digits Feb 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 261011 78576 digits
n = 267059 80397 digits
n = 281683 84799 digits
n = 289209 87065 digits
n = 347251 104537 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 362429 109106 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 437129 131593 digits Dec 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 439341 132259 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 477406 143718 digits Oct 2009 Martin Brouwers; srsieve; PrimeGrid; LLR
n = 628561 189220 digits Feb 2011 Adam Alexander; PSieve; srsieve; PrimeGrid; LLR
n = 702479 211471 digits Sep 2011 Miyo Kasuya; PSieve; srsieve; PrimeGrid; LLR
n = 744331 224070 digits Feb 2012 Dwayne Sterling Roberts; PSieve; srsieve; PrimeGrid; LLR
n = 792033 238430 digits Mar 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 866801 260937 digits May 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 1324706 398780 digits Feb 2015 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1413931 425640 digits Jul 2016 Robert L. Clark; PSieve; srsieve; PrimeGrid; LLR
n = 1622519 488431 digits Feb 2021 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2152663 648020 digits Feb 2025 Don Wellck; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2212043 665895 digits Feb 2025 Robbie Klinkenberg; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3346729 1007470 digits Jan 2021 Roman Strajt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3459062 1041286 digits Feb 2023 Latah Headrick; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4031
max n: 2.373.349
n = 5 6 digits
n = 7 6 digits
n = 17 9 digits
n = 23 11 digits
n = 29 13 digits
n = 37 15 digits
n = 119 40 digits
n = 479 148 digits
n = 845 258 digits
n = 1087 331 digits
n = 1375 418 digits
n = 2119 642 digits
n = 2293 694 digits
n = 2977 900 digits
n = 3185 963 digits
n = 7463 2251 digits May 1996 Patrick Demichel
n = 26773 8064 digits
n = 40157 12093 digits
n = 64183 19325 digits
n = 64247 19344 digits Jun 2000 Phil Carmody
n = 73937 22261 digits
n = 82073 24711 digits
n = 158633 47757 digits
n = 373165 112338 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 523453 157579 digits Jul 2010 David Glogau; PSieve; srsieve; PrimeGrid; LLR
n = 801193 241187 digits Mar 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
k: 4033
max n: 2.372.983
n = 6 6 digits
n = 12 8 digits
n = 16 9 digits
n = 24 11 digits
n = 94 32 digits
n = 172 56 digits
n = 222 71 digits
n = 464 144 digits
n = 1196 364 digits
n = 1302 396 digits
n = 2340 709 digits
n = 3636 1099 digits 1993 Jeffrey Young
n = 4276 1291 digits 1993 Jeffrey Young
n = 5820 1756 digits
n = 6404 1932 digits
n = 13710 4131 digits
n = 17000 5122 digits May 1998 Robert Prethaler; Proth
n = 31422 9463 digits
n = 58076 17487 digits
n = 83356 25097 digits
n = 99070 29827 digits
n = 137264 41325 digits
n = 147284 44341 digits
n = 153604 46244 digits
n = 425276 128025 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 433000 130350 digits Dec 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 479172 144249 digits Oct 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 664086 199914 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 944046 284190 digits Jul 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 4035
max n: 2.373.113
n = 2 5 digits
n = 5 6 digits
n = 6 6 digits
n = 8 7 digits
n = 20 10 digits
n = 23 11 digits
n = 30 13 digits
n = 32 14 digits
n = 47 18 digits
n = 56 21 digits
n = 60 22 digits
n = 62 23 digits
n = 66 24 digits
n = 86 30 digits
n = 134 44 digits
n = 194 63 digits
n = 212 68 digits
n = 228 73 digits
n = 311 98 digits
n = 527 163 digits
n = 551 170 digits
n = 605 186 digits
n = 1634 496 digits
n = 1934 586 digits
n = 2328 705 digits
n = 2405 728 digits
n = 2792 845 digits
n = 5822 1757 digits
n = 6027 1818 digits
n = 9107 2746 digits
n = 9126 2751 digits
n = 12911 3891 digits
n = 13034 3928 digits
n = 15308 4612 digits Feb 1998 David Hanson; Proth
n = 15974 4813 digits
n = 32966 9928 digits
n = 33647 10133 digits
n = 33698 10148 digits Feb 1999 Tadashi Taura; Proth
n = 36966 11132 digits
n = 40868 12307 digits
n = 43241 13021 digits Feb 1999 Yves Gallot; Proth
n = 66806 20115 digits
n = 69752 21002 digits
n = 84164 25340 digits
n = 93527 28159 digits
n = 93683 28205 digits
n = 150194 45217 digits
n = 204864 61674 digits
n = 309800 93263 digits
n = 344640 103751 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 426432 128373 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 453684 136577 digits May 2009 Chris La Marra; srsieve; PrimeGrid; LLR
n = 509351 153334 digits May 2010 Donald Hatland; PSieve; srsieve; PrimeGrid; LLR
n = 564750 170011 digits Oct 2010 James Steichen; PSieve; srsieve; PrimeGrid; LLR
n = 718512 216298 digits Nov 2011 Daniel Sinding Andersen; PSieve; srsieve; PrimeGrid; LLR
n = 1614047 485881 digits Jan 2021 Bryan Little; PSieve; srsieve; PrimeGrid; LLR
k: 4037
max n: 2.373.122
n = 3 5 digits
n = 7563 2281 digits May 1996 Patrick Demichel
n = 77703 23395 digits
n = 103551 31176 digits
n = 823803 247994 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1111299 334538 digits Jul 2013 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
n = 1837803 553238 digits Jan 2024 Valter Cavecchia; PPSE; PrimeGrid
k: 4039
max n: 2.373.265
n = 26 12 digits
n = 150 49 digits
n = 1286 391 digits
n = 2066 626 digits
n = 4326 1306 digits 1993 Jeffrey Young
n = 10658 3212 digits
n = 13902 4189 digits
n = 309066 93042 digits
n = 347382 104577 digits Apr 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 637218 191826 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
k: 4041
max n: 2.373.138
n = 5 6 digits
n = 7 6 digits
n = 21 10 digits
n = 29 13 digits
n = 31 13 digits
n = 48 19 digits
n = 60 22 digits
n = 79 28 digits
n = 80 28 digits
n = 177 57 digits
n = 232 74 digits
n = 249 79 digits
n = 329 103 digits
n = 441 137 digits
n = 485 150 digits
n = 517 160 digits
n = 769 236 digits
n = 825 252 digits
n = 1201 366 digits
n = 1471 447 digits
n = 1952 592 digits
n = 1999 606 digits
n = 2101 637 digits
n = 4405 1330 digits 1993 Jeffrey Young
n = 4481 1353 digits 1993 Jeffrey Young
n = 5689 1717 digits
n = 8427 2541 digits
n = 8837 2664 digits
n = 9417 2839 digits
n = 10540 3177 digits
n = 10587 3191 digits
n = 12220 3683 digits
n = 13419 4044 digits
n = 13905 4190 digits
n = 15676 4723 digits
n = 36739 11064 digits
n = 46737 14073 digits
n = 62497 18818 digits
n = 66988 20170 digits
n = 131289 39526 digits
n = 179096 53917 digits
n = 225968 68027 digits
n = 231497 69692 digits
n = 265437 79909 digits
n = 267807 80622 digits
n = 285632 85988 digits
n = 374139 112631 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 377189 113549 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 541536 163023 digits Aug 2010 Tanya Puckett; PSieve; srsieve; PrimeGrid; LLR
n = 623240 187618 digits Feb 2011 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 655560 197347 digits Mar 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 773960 232989 digits Feb 2012 Jon Goral; PSieve; srsieve; PrimeGrid; LLR
n = 1293777 389470 digits Sep 2014 Kennichi Uehara; PSieve; srsieve; PrimeGrid; LLR
n = 1949805 586954 digits Apr 2024 Daniel Greeley; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2294689 690774 digits Jul 2025 Glenn Hall; PPSE; PrimeGrid
n = 2363808 711581 digits May 2026 Ryan Propper; PPSE; PrimeGrid
k: 4043
max n: 2.373.429
n = 1 4 digits
n = 13 8 digits
n = 17 9 digits
n = 25 12 digits
n = 29 13 digits
n = 53 20 digits
n = 65 24 digits
n = 73 26 digits
n = 289 91 digits
n = 477 148 digits
n = 817 250 digits
n = 869 266 digits
n = 877 268 digits
n = 993 303 digits
n = 1037 316 digits
n = 1889 573 digits
n = 2437 738 digits
n = 2789 844 digits
n = 3541 1070 digits 1993 Jeffrey Young
n = 4309 1301 digits 1993 Jeffrey Young
n = 10193 3073 digits
n = 12641 3809 digits
n = 13901 4189 digits
n = 19885 5990 digits Oct 1996 Patrick Demichel
n = 28705 8645 digits
n = 28865 8693 digits
n = 67765 20403 digits
n = 200985 60507 digits Feb 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 228721 68856 digits
n = 274737 82708 digits
n = 682721 205524 digits Aug 2011 Robert Long; PSieve; srsieve; PrimeGrid; LLR
n = 774709 233215 digits Feb 2012 Ardo van Rangelrooij; PSieve; srsieve; PrimeGrid; LLR
n = 789329 237616 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1055557 317758 digits Mar 2013 Jeff Odom; PSieve; srsieve; PrimeGrid; LLR
n = 1366633 411402 digits Nov 2015 Chris Hoefliger; PSieve; srsieve; PrimeGrid; LLR
n = 1625677 489382 digits Feb 2021 Detlef Lexut; PSieve; srsieve; PrimeGrid; LLR
n = 2145669 645915 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4045
max n: 2.372.793
n = 20 10 digits
n = 140 46 digits
n = 1798 545 digits
n = 10198 3074 digits
n = 87878 26458 digits
n = 133274 40124 digits
n = 683174 205660 digits Aug 2011 Reuben Gathright; PSieve; srsieve; PrimeGrid; LLR
n = 726598 218732 digits Feb 2012 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 845690 254582 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4047
max n: 2.372.623
n = 2 5 digits
n = 3 5 digits
n = 6 6 digits
n = 7 6 digits
n = 15 9 digits
n = 19 10 digits
n = 27 12 digits
n = 34 14 digits
n = 47 18 digits
n = 51 19 digits
n = 59 22 digits
n = 71 25 digits
n = 74 26 digits
n = 79 28 digits
n = 86 30 digits
n = 91 32 digits
n = 131 44 digits
n = 283 89 digits
n = 314 99 digits
n = 446 138 digits
n = 563 174 digits
n = 584 180 digits
n = 734 225 digits
n = 971 296 digits
n = 1271 387 digits
n = 1784 541 digits
n = 1974 598 digits
n = 2363 715 digits
n = 3483 1053 digits 1993 Jeffrey Young
n = 3714 1122 digits 1993 Jeffrey Young
n = 3776 1141 digits 1993 Jeffrey Young
n = 5112 1543 digits
n = 5531 1669 digits
n = 7567 2282 digits
n = 16959 5109 digits
n = 17822 5369 digits
n = 23863 7188 digits Apr 1998 David Hanson; Proth
n = 55494 16709 digits
n = 72896 21948 digits
n = 88391 26612 digits
n = 101243 30481 digits
n = 124934 37613 digits
n = 159903 48140 digits
n = 184303 55485 digits
n = 209311 63013 digits
n = 241003 72553 digits
n = 277328 83488 digits
n = 338706 101965 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 705536 212392 digits Sep 2011 Charley Gielkens; PSieve; srsieve; PrimeGrid; LLR
n = 962519 289751 digits Aug 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1186391 357143 digits Oct 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1348427 405921 digits Jul 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1697899 511123 digits Jun 2022 Honza Cholt; PPSE; PrimeGrid
n = 1785418 537468 digits Dec 2023 Rafael Trigueiro; PPSE; PrimeGrid
n = 1813363 545881 digits Jan 2024 Patrick Schöfer; PPSE; PrimeGrid
n = 2061467 620568 digits Jan 2025 LeRoy Blanchard; PPSE; PrimeGrid
n = 2251831 677873 digits Mar 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3353222 1009425 digits Feb 2021 Rick Reynolds; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4049
max n: 2.372.878
n = 9 7 digits
n = 11 7 digits
n = 21 10 digits
n = 63 23 digits
n = 81 28 digits
n = 107 36 digits
n = 117 39 digits
n = 357 112 digits
n = 437 136 digits
n = 597 184 digits
n = 651 200 digits
n = 833 255 digits
n = 2087 632 digits
n = 3969 1199 digits 1993 Jeffrey Young
n = 7079 2135 digits Mar 1996 Patrick Demichel
n = 8087 2439 digits May 1996 Patrick Demichel
n = 73179 22033 digits
n = 133617 40227 digits
n = 165191 49732 digits
n = 284717 85712 digits
n = 326571 98312 digits
n = 958553 288557 digits Aug 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 1010903 304316 digits Oct 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2224671 669697 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4051
max n: 2.372.975
n = 4 5 digits
n = 12 8 digits
n = 16 9 digits
n = 60 22 digits
n = 88 31 digits
n = 168 55 digits
n = 696 214 digits
n = 1524 463 digits
n = 1660 504 digits
n = 1860 564 digits
n = 2388 723 digits
n = 12552 3783 digits
n = 48040 14466 digits
n = 62436 18799 digits
n = 64572 19442 digits
n = 65092 19599 digits
n = 83436 25121 digits
n = 301176 90667 digits
n = 927396 279178 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1486200 447395 digits Mar 2018 Jared Brandt; PSieve; srsieve; PrimeGrid; LLR
n = 1525812 459319 digits Feb 2019 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
k: 4053
max n: 2.372.833
n = 4 5 digits
n = 14 8 digits
n = 18 10 digits
n = 34 14 digits
n = 64 23 digits
n = 69 25 digits
n = 94 32 digits
n = 108 37 digits
n = 145 48 digits
n = 254 81 digits
n = 358 112 digits
n = 493 153 digits
n = 694 213 digits
n = 714 219 digits
n = 760 233 digits
n = 864 264 digits
n = 1106 337 digits
n = 2148 651 digits
n = 2798 846 digits
n = 3165 957 digits
n = 3540 1070 digits 1993 Jeffrey Young
n = 5608 1692 digits
n = 12093 3644 digits
n = 16678 5025 digits
n = 18304 5514 digits
n = 25989 7828 digits
n = 32438 9769 digits
n = 35013 10544 digits
n = 38500 11594 digits
n = 58906 17737 digits
n = 62513 18822 digits
n = 67309 20266 digits
n = 109494 32965 digits
n = 136056 40961 digits
n = 267094 80407 digits
n = 293090 88233 digits
n = 311638 93816 digits
n = 604934 182107 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1000834 301285 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1010296 304134 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1238193 372737 digits Jan 2014 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1271773 382846 digits May 2014 Michele T. Mazzucato; PSieve; srsieve; PrimeGrid; LLR
n = 1601278 482037 digits Sep 2020 Patrick Schmeer; PSieve; srsieve; PrimeGrid; LLR
n = 1873980 564128 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4055
max n: 2.372.936
n = 1 4 digits
n = 3 5 digits
n = 9 7 digits
n = 11 7 digits
n = 31 13 digits
n = 33 14 digits
n = 49 19 digits
n = 91 32 digits
n = 121 41 digits
n = 129 43 digits
n = 241 77 digits
n = 291 92 digits
n = 379 118 digits
n = 393 122 digits
n = 569 175 digits
n = 731 224 digits
n = 801 245 digits
n = 969 296 digits
n = 1025 313 digits
n = 2043 619 digits
n = 2617 792 digits
n = 4531 1368 digits 1993 Jeffrey Young
n = 4783 1444 digits 1993 Jeffrey Young
n = 9329 2812 digits
n = 9831 2964 digits
n = 11839 3568 digits
n = 13529 4077 digits
n = 13571 4089 digits
n = 32771 9869 digits
n = 127671 38437 digits
n = 159399 47988 digits
n = 193447 58237 digits
n = 352383 106082 digits May 2012 Bob Hurd; PPSE; PrimeGrid
n = 457809 137818 digits Jun 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 611697 184143 digits Jan 2011 Jiro Aso; PSieve; srsieve; PrimeGrid; LLR
n = 816915 245920 digits Apr 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
n = 1288567 387901 digits Aug 2014 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1932265 581674 digits Mar 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2263601 681416 digits Apr 2025 Robert Michael Andrews; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4057
max n: 2.371.975
n = 2 5 digits
n = 12 8 digits
n = 24 11 digits
n = 26 12 digits
n = 76 27 digits
n = 96 33 digits
n = 140 46 digits
n = 544 168 digits
n = 612 188 digits
n = 1596 485 digits
n = 8402 2533 digits
n = 9962 3003 digits
n = 12932 3897 digits
n = 35786 10777 digits
n = 36992 11140 digits
n = 37136 11183 digits
n = 50366 15166 digits
n = 72024 21685 digits
n = 102424 30837 digits
n = 181934 54772 digits
n = 198430 59737 digits
n = 332252 100022 digits Apr 2012 Michael Becker; PPSE; PrimeGrid
n = 412604 124210 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 416560 125401 digits Oct 2012 Ronny Willig; PPSE; PrimeGrid
n = 554260 166853 digits Oct 2010 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1385804 417173 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1394460 419778 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1550624 466788 digits Nov 2019 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1641314 494089 digits Jul 2021 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 3401472 1023949 digits Feb 2022 Jelle Slaets; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4059
max n: 2.373.034
n = 7 6 digits
n = 10 7 digits
n = 25 12 digits
n = 31 13 digits
n = 73 26 digits
n = 77 27 digits
n = 85 30 digits
n = 95 33 digits
n = 115 39 digits
n = 211 68 digits
n = 226 72 digits
n = 241 77 digits
n = 421 131 digits
n = 457 142 digits
n = 473 146 digits
n = 563 174 digits
n = 2461 745 digits
n = 6877 2074 digits Mar 1996 Patrick Demichel
n = 8695 2622 digits May 1996 Patrick Demichel
n = 9155 2760 digits
n = 11677 3519 digits
n = 14281 4303 digits
n = 32050 9652 digits
n = 33946 10223 digits
n = 37843 11396 digits Feb 1999 Tadashi Taura; Proth
n = 90841 27350 digits
n = 90911 27371 digits
n = 176827 53234 digits
n = 218881 65894 digits
n = 232973 70136 digits
n = 364433 109709 digits May 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 562433 169313 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1074353 323417 digits Apr 2013 Jan Guenther; PSieve; srsieve; PrimeGrid; LLR
n = 1127770 339497 digits Aug 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4061
max n: 2.373.122
n = 1 4 digits
n = 5 6 digits
n = 17 9 digits
n = 99 34 digits
n = 385 120 digits
n = 435 135 digits
n = 459 142 digits
n = 557 172 digits
n = 915 280 digits
n = 931 284 digits
n = 1381 420 digits
n = 1585 481 digits
n = 1659 504 digits
n = 2237 678 digits
n = 4325 1306 digits 1993 Jeffrey Young
n = 5597 1689 digits
n = 7587 2288 digits May 1996 Patrick Demichel
n = 9721 2930 digits
n = 17083 5147 digits
n = 17725 5340 digits
n = 18435 5554 digits
n = 23123 6965 digits
n = 44881 13515 digits
n = 48317 14549 digits
n = 103267 31091 digits
n = 185857 55953 digits
n = 254971 76758 digits
n = 333121 100284 digits Apr 2012 Gary Craig; PPSE; PrimeGrid
n = 444987 133959 digits Jan 2013 Ronny Willig; PPSE; PrimeGrid
n = 898057 270346 digits Jun 2012 Robert Hoffman; PSieve; srsieve; PrimeGrid; LLR
n = 1759403 529637 digits Aug 2023 Giovanni Valentino; PPSE; PrimeGrid
k: 4063
max n: 2.372.833
n = 2 5 digits
n = 20 10 digits
n = 32 14 digits
n = 60 22 digits
n = 78 28 digits
n = 138 46 digits
n = 398 124 digits
n = 542 167 digits
n = 902 276 digits
n = 912 279 digits
n = 1034 315 digits
n = 1334 406 digits
n = 1530 465 digits
n = 1818 551 digits
n = 2930 886 digits
n = 4362 1317 digits 1993 Jeffrey Young
n = 5150 1554 digits
n = 5592 1687 digits
n = 9642 2907 digits
n = 10758 3243 digits
n = 23202 6989 digits Dec 1997 Chris Caldwell; Dubner Cruncher
n = 29930 9014 digits
n = 34794 10478 digits
n = 34974 10532 digits
n = 46856 14109 digits
n = 50802 15297 digits
n = 51440 15489 digits
n = 272658 82082 digits
n = 302432 91045 digits
n = 328814 98987 digits
n = 384120 115636 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 623990 187844 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
k: 4065
max n: 2.372.784
n = 9 7 digits
n = 12 8 digits
n = 52 20 digits
n = 174 56 digits
n = 201 65 digits
n = 258 82 digits
n = 357 112 digits
n = 391 122 digits
n = 423 131 digits
n = 544 168 digits
n = 559 172 digits
n = 690 212 digits
n = 820 251 digits
n = 1543 469 digits
n = 1855 563 digits
n = 2665 806 digits
n = 2799 847 digits
n = 3388 1024 digits 1993 Jeffrey Young
n = 5745 1734 digits
n = 6189 1867 digits
n = 6741 2033 digits Mar 1996 Patrick Demichel
n = 10132 3054 digits
n = 12040 3629 digits
n = 13473 4060 digits
n = 17449 5257 digits
n = 21231 6395 digits
n = 26241 7903 digits
n = 28992 8732 digits
n = 52590 15835 digits
n = 84081 25315 digits
n = 168337 50679 digits
n = 221473 66674 digits
n = 348204 104824 digits Apr 2012 Rainer Emrich; PPSE; PrimeGrid
n = 365604 110062 digits May 2012 David Yost; PPSE; PrimeGrid
n = 413224 124397 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 480432 144629 digits Nov 2009 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1128231 339635 digits Aug 2013 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 1255375 377910 digits Apr 2014 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1442680 434294 digits Feb 2017 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
n = 1617021 486776 digits Feb 2021 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 1693197 509707 digits May 2022 PPSE; PrimeGrid
n = 1934281 582281 digits Mar 2024 Xuechen Xu; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2074119 624376 digits Jan 2025 William Donovan; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3434623 1033929 digits Oct 2022 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4067
max n: 2.373.403
n = 3 5 digits
n = 19 10 digits
n = 51 19 digits
n = 55 21 digits
n = 403 125 digits
n = 1635 496 digits
n = 1675 508 digits
n = 66795 20111 digits
n = 73875 22243 digits
n = 1163251 350178 digits Sep 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1548295 466087 digits Oct 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 4069
max n: 2.373.334
n = 6 6 digits
n = 214 69 digits
n = 454 141 digits
n = 786 241 digits
n = 1034 315 digits
n = 2178 660 digits
n = 6554 1977 digits
n = 8818 2659 digits
n = 12566 3787 digits
n = 39806 11987 digits
n = 1111634 334639 digits Jul 2013 Li Dake; PSieve; srsieve; PrimeGrid; LLR
n = 1309726 394271 digits Feb 2015 Gary Maki; PSieve; srsieve; PrimeGrid; LLR
n = 2015714 606794 digits Nov 2024 Ryo Takahashi; PPSE; PrimeGrid
k: 4071
max n: 2.372.855
n = 3 5 digits
n = 12 8 digits
n = 13 8 digits
n = 21 10 digits
n = 27 12 digits
n = 31 13 digits
n = 37 15 digits
n = 63 23 digits
n = 68 25 digits
n = 104 35 digits
n = 144 47 digits
n = 163 53 digits
n = 648 199 digits
n = 663 204 digits
n = 1260 383 digits
n = 2176 659 digits
n = 2277 690 digits
n = 3423 1035 digits 1993 Jeffrey Young
n = 4503 1360 digits 1993 Jeffrey Young
n = 4707 1421 digits 1993 Jeffrey Young
n = 4884 1474 digits 1993 Jeffrey Young
n = 6980 2105 digits Mar 1996 Patrick Demichel
n = 7341 2214 digits May 1996 Patrick Demichel
n = 11869 3577 digits
n = 14653 4415 digits Mar 1998 Baptiste Heyman; Proth
n = 18147 5467 digits
n = 20256 6102 digits
n = 22456 6764 digits
n = 26060 7849 digits
n = 36863 11101 digits
n = 40420 12172 digits
n = 45309 13643 digits
n = 77691 23391 digits
n = 78528 23643 digits
n = 79128 23824 digits
n = 156511 47119 digits
n = 162459 48909 digits
n = 165109 49707 digits
n = 427404 128666 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 484352 145809 digits Jan 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 510647 153724 digits Jun 2010 Brage E. Elliott; PSieve; srsieve; PrimeGrid; LLR
n = 725029 218260 digits Feb 2012 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 732928 220637 digits Feb 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 808957 243524 digits Mar 2012 Matthew High; PSieve; srsieve; PrimeGrid; LLR
n = 1348237 405864 digits Jul 2015 Lalit Mathur; PSieve; srsieve; PrimeGrid; LLR
n = 1700004 511756 digits Jun 2022 Ken Smith; PPSE; PrimeGrid
n = 1707991 514161 digits Aug 2022 Sam Slade; PPSE; PrimeGrid
n = 2055804 618863 digits Jan 2025 Louis Meuler; PPSE; PrimeGrid
n = 2183173 657205 digits Feb 2025 Gregory Bennett; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2196704 661278 digits Feb 2025 Martin Schmidt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4073
max n: 2.372.784
n = 1 4 digits
n = 5 6 digits
n = 29 13 digits
n = 41 16 digits
n = 589 181 digits
n = 1961 594 digits
n = 6593 1989 digits
n = 13421 4044 digits
n = 22241 6699 digits
n = 114349 34427 digits
n = 115969 34914 digits
n = 626345 188553 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 869969 261891 digits May 2012 Andrew Bishop; PSieve; srsieve; PrimeGrid; LLR
n = 1956605 589001 digits May 2024 Robert Coplin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4075
max n: 2.372.777
n = 2 5 digits
n = 8 7 digits
n = 16 9 digits
n = 18 10 digits
n = 22 11 digits
n = 40 16 digits
n = 48 19 digits
n = 58 22 digits
n = 64 23 digits
n = 68 25 digits
n = 78 28 digits
n = 108 37 digits
n = 162 53 digits
n = 204 66 digits
n = 290 91 digits
n = 382 119 digits
n = 410 128 digits
n = 454 141 digits
n = 510 158 digits
n = 518 160 digits
n = 604 186 digits
n = 758 232 digits
n = 782 240 digits
n = 1456 442 digits
n = 1530 465 digits
n = 1690 513 digits
n = 1932 586 digits
n = 1962 595 digits
n = 3856 1165 digits 1993 Jeffrey Young
n = 6148 1855 digits
n = 16298 4910 digits
n = 35696 10750 digits
n = 40804 12287 digits
n = 46524 14009 digits
n = 68470 20616 digits
n = 72534 21839 digits
n = 85868 25853 digits
n = 91164 27447 digits
n = 98968 29796 digits
n = 121668 36630 digits
n = 156420 47091 digits
n = 176368 53096 digits
n = 179510 54042 digits
n = 279548 84156 digits
n = 299038 90024 digits
n = 356434 107301 digits May 2012 PPSE; PrimeGrid
n = 361348 108781 digits Feb 2009 Ulrich Fries; srsieve; PrimeGrid; LLR
n = 382976 115291 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 414478 124774 digits Oct 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 469950 141473 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 527948 158932 digits Jul 2010 Jeremy M. Posner; PSieve; srsieve; PrimeGrid; LLR
n = 573728 172713 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1211364 364661 digits Dec 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1237398 372498 digits Jan 2014 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1931290 581380 digits Mar 2024 Ming Hsiu Lee; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4077
max n: 2.373.022
n = 12 8 digits
n = 23 11 digits
n = 24 11 digits
n = 35 15 digits
n = 47 18 digits
n = 62 23 digits
n = 92 32 digits
n = 410 128 digits
n = 456 141 digits
n = 560 173 digits
n = 786 241 digits
n = 995 304 digits
n = 1151 351 digits
n = 2100 636 digits
n = 4226 1276 digits 1993 Jeffrey Young
n = 6524 1968 digits
n = 7775 2345 digits May 1996 Patrick Demichel
n = 37596 11322 digits
n = 52910 15932 digits
n = 60186 18122 digits
n = 90570 27268 digits
n = 93971 28292 digits
n = 100931 30387 digits
n = 141236 42520 digits
n = 165851 49930 digits
n = 308682 92927 digits
n = 342086 102982 digits Apr 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 496511 149469 digits Apr 2010 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 911744 274466 digits Jun 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 915060 275465 digits Jun 2012 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1731624 521275 digits Jan 2023 Brian Parsonnet; PPSE; PrimeGrid
n = 1740302 523887 digits Apr 2023 Eric Liskay; PPSE; PrimeGrid
k: 4079
max n: 2.372.736
n = 3 5 digits
n = 7 6 digits
n = 171 56 digits
n = 175 57 digits
n = 267 84 digits
n = 283 89 digits
n = 385 120 digits
n = 805 246 digits
n = 847 259 digits
n = 907 277 digits
n = 1651 501 digits
n = 2383 721 digits
n = 3567 1078 digits 1993 Jeffrey Young
n = 4047 1222 digits 1993 Jeffrey Young
n = 5235 1580 digits
n = 9387 2830 digits
n = 13413 4042 digits
n = 16147 4865 digits
n = 20463 6164 digits
n = 20953 6312 digits
n = 23653 7124 digits
n = 38313 11537 digits
n = 39351 11850 digits
n = 63451 19105 digits
n = 66883 20138 digits
n = 263805 79417 digits
n = 668271 201174 digits Apr 2011 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 839013 252572 digits Apr 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1678095 505161 digits Mar 2022 Christian Wallbaum; PPSE; PrimeGrid
n = 1730271 520868 digits Jan 2023 Adrian Schori; PPSE; PrimeGrid
k: 4081
max n: 2.372.295
n = 8 7 digits
n = 56 21 digits
n = 64 23 digits
n = 184 60 digits
n = 6128 1849 digits
n = 10136 3055 digits
n = 91424 27525 digits
n = 295736 89030 digits
n = 466672 140486 digits Sep 2009 Wolfgang Straubinger; srsieve; PrimeGrid; LLR
k: 4083
max n: 2.372.627
n = 1 4 digits
n = 2 5 digits
n = 5 6 digits
n = 9 7 digits
n = 28 13 digits
n = 57 21 digits
n = 60 22 digits
n = 80 28 digits
n = 98 34 digits
n = 116 39 digits
n = 137 45 digits
n = 156 51 digits
n = 212 68 digits
n = 253 80 digits
n = 382 119 digits
n = 393 122 digits
n = 565 174 digits
n = 577 178 digits
n = 585 180 digits
n = 633 195 digits
n = 725 222 digits
n = 748 229 digits
n = 836 256 digits
n = 1125 343 digits
n = 1192 363 digits
n = 1249 380 digits
n = 1696 515 digits
n = 1996 605 digits
n = 2136 647 digits
n = 2612 790 digits
n = 2837 858 digits
n = 4576 1382 digits 1993 Jeffrey Young
n = 6149 1855 digits
n = 6722 2028 digits Mar 1996 Patrick Demichel
n = 8026 2420 digits May 1996 Patrick Demichel
n = 8593 2591 digits May 1996 Patrick Demichel
n = 9317 2809 digits
n = 9902 2985 digits
n = 11200 3376 digits
n = 12981 3912 digits
n = 13128 3956 digits
n = 13382 4032 digits
n = 14956 4506 digits
n = 15560 4688 digits
n = 16526 4979 digits
n = 25205 7592 digits
n = 25260 7608 digits
n = 27926 8411 digits
n = 31493 9484 digits
n = 34992 10538 digits
n = 37297 11232 digits
n = 47469 14294 digits
n = 49189 14811 digits
n = 56689 17069 digits
n = 63677 19173 digits
n = 86636 26084 digits
n = 88526 26653 digits
n = 94057 28318 digits
n = 129497 38987 digits
n = 156312 47059 digits
n = 181800 54731 digits Jan 2004 Peter Shaw; Proth
n = 241922 72830 digits
n = 413258 124407 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 476649 143490 digits Oct 2009 Gary McGregor; srsieve; PrimeGrid; LLR
n = 480752 144725 digits Nov 2009 Wolfgang Straubinger; PSieve; srsieve; PrimeGrid; LLR
n = 710673 213938 digits Nov 2011 Marc Koschewski; PSieve; srsieve; PrimeGrid; LLR
n = 753156 226727 digits Feb 2012 Rene Schick; PSieve; srsieve; PrimeGrid; LLR
n = 912422 274671 digits Jun 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1270652 382508 digits May 2014 Eric Clifton; PSieve; srsieve; PrimeGrid; LLR
n = 1334993 401877 digits Apr 2015 Jan Töpert; PSieve; srsieve; PrimeGrid; LLR
k: 4085
max n: 2.372.664
n = 1 4 digits
n = 7 6 digits
n = 9 7 digits
n = 15 9 digits
n = 25 12 digits
n = 27 12 digits
n = 49 19 digits
n = 51 19 digits
n = 107 36 digits
n = 115 39 digits
n = 117 39 digits
n = 147 48 digits
n = 155 51 digits
n = 291 92 digits
n = 675 207 digits
n = 915 280 digits
n = 2779 841 digits
n = 4177 1262 digits 1993 Jeffrey Young
n = 4645 1402 digits 1993 Jeffrey Young
n = 5987 1806 digits
n = 6115 1845 digits
n = 6279 1894 digits
n = 8481 2557 digits
n = 16787 5058 digits
n = 22741 6850 digits
n = 39015 11749 digits
n = 42651 12843 digits
n = 51525 15515 digits
n = 52317 15753 digits
n = 53777 16193 digits
n = 55385 16677 digits
n = 60591 18244 digits
n = 119097 35856 digits
n = 122397 36849 digits
n = 130281 39223 digits
n = 159201 47928 digits
n = 369251 111160 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 390675 117609 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 413547 124494 digits Oct 2012 Ronny Willig; PPSE; PrimeGrid
n = 418427 125963 digits Oct 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 495045 149028 digits Apr 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1077165 324263 digits Apr 2013 Guillaume Tardy; PSieve; srsieve; PrimeGrid; LLR
n = 1395241 420014 digits Mar 2016 Alexander Pfob; PSieve; srsieve; PrimeGrid; LLR
k: 4087
max n: 2.372.881
n = 2 5 digits
n = 4 5 digits
n = 14 8 digits
n = 38 16 digits
n = 50 19 digits
n = 82 29 digits
n = 88 31 digits
n = 184 60 digits
n = 428 133 digits
n = 964 294 digits
n = 1184 361 digits
n = 1582 480 digits
n = 2350 712 digits
n = 3598 1087 digits 1993 Jeffrey Young
n = 3782 1143 digits 1993 Jeffrey Young
n = 7988 2409 digits May 1996 Patrick Demichel
n = 12208 3679 digits
n = 15188 4576 digits
n = 57358 17271 digits
n = 73330 22079 digits
n = 77878 23448 digits
n = 92414 27823 digits
n = 105088 31639 digits
n = 110990 33415 digits
n = 128900 38807 digits
n = 227902 68609 digits
n = 477950 143881 digits Oct 2009 Harvey Patterson; srsieve; PrimeGrid; LLR
n = 729410 219578 digits Feb 2012 Carlos Loureiro; PSieve; srsieve; PrimeGrid; LLR
n = 1192432 358962 digits Oct 2013 Jeff Kopp; PSieve; srsieve; PrimeGrid; LLR
n = 1386758 417460 digits Feb 2016 Dan Swearingen; PSieve; srsieve; PrimeGrid; LLR
k: 4089
max n: 2.372.869
n = 1 4 digits
n = 3 5 digits
n = 6 6 digits
n = 10 7 digits
n = 14 8 digits
n = 27 12 digits
n = 34 14 digits
n = 35 15 digits
n = 46 18 digits
n = 81 28 digits
n = 83 29 digits
n = 111 38 digits
n = 134 44 digits
n = 135 45 digits
n = 185 60 digits
n = 217 69 digits
n = 409 127 digits
n = 555 171 digits
n = 630 194 digits
n = 729 224 digits
n = 1081 330 digits
n = 1281 390 digits
n = 1455 442 digits
n = 2274 689 digits
n = 2470 748 digits
n = 2583 782 digits
n = 2690 814 digits
n = 2999 907 digits
n = 3710 1121 digits 1993 Jeffrey Young
n = 4166 1258 digits 1993 Jeffrey Young
n = 5363 1619 digits
n = 5481 1654 digits
n = 12758 3845 digits
n = 15110 4553 digits
n = 16286 4907 digits
n = 22599 6807 digits
n = 35310 10633 digits
n = 43271 13030 digits
n = 44838 13502 digits
n = 46425 13979 digits
n = 52750 15883 digits
n = 56630 17051 digits
n = 71019 21383 digits
n = 121403 36550 digits
n = 144010 43355 digits
n = 162274 48853 digits
n = 201865 60772 digits
n = 221631 66722 digits
n = 273774 82418 digits
n = 294294 88595 digits
n = 425414 128066 digits Nov 2012 Jörg Meili; PPSE; PrimeGrid
n = 923175 277907 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1007074 303164 digits Oct 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1170095 352238 digits Sep 2013 Michal Boruvka; PSieve; srsieve; PrimeGrid; LLR
n = 1295163 389887 digits Sep 2014 Marshall Bishop; PSieve; srsieve; PrimeGrid; OpenPFGW; LLR
n = 1374170 413671 digits Jan 2016 Kota Fujimori; PSieve; srsieve; PrimeGrid; LLR
n = 1440617 433673 digits Feb 2017 Shaun Cox; PSieve; srsieve; PrimeGrid; LLR
k: 4091
max n: 2.372.810
n = 11 7 digits
n = 17 9 digits
n = 27 12 digits
n = 29 13 digits
n = 39 16 digits
n = 81 28 digits
n = 93 32 digits
n = 111 38 digits
n = 117 39 digits
n = 299 94 digits
n = 303 95 digits
n = 437 136 digits
n = 537 166 digits
n = 627 193 digits
n = 903 276 digits
n = 1067 325 digits
n = 1949 591 digits
n = 2901 877 digits
n = 3471 1049 digits 1993 Jeffrey Young
n = 4859 1467 digits 1993 Jeffrey Young
n = 8433 2543 digits May 1996 Patrick Demichel
n = 13479 4062 digits
n = 16691 5029 digits
n = 24659 7427 digits
n = 53703 16170 digits Feb 2000 Chris Caldwell; Proth
n = 91071 27419 digits
n = 230601 69422 digits
n = 236961 71336 digits
n = 1181049 355535 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1247289 375476 digits Feb 2014 HansJuergen Franke; PSieve; srsieve; PrimeGrid; LLR
n = 1347747 405716 digits Jul 2015 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 2288309 688854 digits Jun 2025 PPSE; PrimeGrid
n = 3333153 1003383 digits Apr 2020 Lucas Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4093
max n: 2.373.346
n = 10 7 digits
n = 16 9 digits
n = 28 13 digits
n = 34 14 digits
n = 52 20 digits
n = 90 31 digits
n = 306 96 digits
n = 316 99 digits
n = 328 103 digits
n = 336 105 digits
n = 378 118 digits
n = 586 181 digits
n = 612 188 digits
n = 696 214 digits
n = 1288 392 digits
n = 2466 746 digits
n = 7948 2397 digits
n = 8562 2582 digits May 1996 Patrick Demichel
n = 9162 2762 digits
n = 10650 3210 digits
n = 15352 4626 digits
n = 29352 8840 digits
n = 74754 22507 digits
n = 145162 43702 digits
n = 636084 191484 digits Feb 2011 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 1711368 515177 digits Sep 2022 ZinSig Kim; PPSE; PrimeGrid
n = 2000200 602124 digits Oct 2024 Chad Steenerson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4095
max n: 2.372.351
n = 1 4 digits
n = 2 5 digits
n = 4 5 digits
n = 5 6 digits
n = 16 9 digits
n = 18 10 digits
n = 19 10 digits
n = 20 10 digits
n = 22 11 digits
n = 25 12 digits
n = 26 12 digits
n = 29 13 digits
n = 38 16 digits
n = 54 20 digits
n = 62 23 digits
n = 75 27 digits
n = 76 27 digits
n = 78 28 digits
n = 104 35 digits
n = 125 42 digits
n = 130 43 digits
n = 163 53 digits
n = 189 61 digits
n = 212 68 digits
n = 216 69 digits
n = 276 87 digits
n = 308 97 digits
n = 310 97 digits
n = 318 100 digits
n = 480 149 digits
n = 486 150 digits
n = 649 199 digits
n = 685 210 digits
n = 725 222 digits
n = 726 223 digits
n = 772 237 digits
n = 1245 379 digits
n = 1318 401 digits
n = 1429 434 digits
n = 1466 445 digits
n = 1562 474 digits
n = 1801 546 digits
n = 2330 706 digits
n = 2408 729 digits
n = 2841 859 digits
n = 2942 890 digits
n = 3708 1120 digits 1993 Jeffrey Young
n = 3998 1208 digits 1993 Jeffrey Young
n = 4140 1250 digits 1993 Jeffrey Young
n = 4216 1273 digits 1993 Jeffrey Young
n = 7278 2195 digits May 1996 Patrick Demichel
n = 7446 2246 digits May 1996 Patrick Demichel
n = 8025 2420 digits May 1996 Patrick Demichel
n = 8286 2498 digits May 1996 Patrick Demichel
n = 9344 2817 digits
n = 11856 3573 digits
n = 13212 3981 digits
n = 16124 4858 digits Apr 1998 Guillermo Ballester Valor; Proth
n = 18112 5456 digits Apr 1998 Guillermo Ballester Valor; Proth
n = 26091 7858 digits Apr 1998 Guillermo Ballester Valor; Proth
n = 31790 9574 digits Apr 1998 Guillermo Ballester Valor; Proth
n = 35206 10602 digits Apr 1998 Guillermo Ballester Valor; Proth
n = 41144 12390 digits Jun 1998 Guillermo Ballester Valor; Proth
n = 49729 14974 digits Oct 1998 Guillermo Ballester Valor; Proth
n = 59498 17915 digits Nov 1998 Guillermo Ballester Valor; Proth
n = 75886 22848 digits
n = 76488 23029 digits
n = 105318 31708 digits
n = 105468 31753 digits
n = 116341 35026 digits
n = 117075 35247 digits
n = 118482 35671 digits
n = 138840 41799 digits
n = 140390 42266 digits
n = 149645 45052 digits
n = 152772 45993 digits
n = 154464 46502 digits
n = 174203 52444 digits
n = 179945 54173 digits
n = 212144 63866 digits
n = 214412 64549 digits
n = 218914 65904 digits
n = 231538 69704 digits
n = 245270 73838 digits
n = 339069 102074 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 431814 129993 digits Dec 2012 Kenta Miyakoshi; PPSE; PrimeGrid
n = 483438 145533 digits Dec 2009 Danny T. Morris; PSieve; srsieve; PrimeGrid; LLR
n = 504896 151993 digits May 2010 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 540521 162717 digits Aug 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 659056 198400 digits Mar 2011 Steven F. Bohl; PSieve; srsieve; PrimeGrid; LLR
n = 713369 214750 digits Nov 2011 Nianchuan Jian; PSieve; srsieve; PrimeGrid; LLR
n = 732410 220481 digits Feb 2012 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 821249 247225 digits Apr 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 874806 263347 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 2129522 641054 digits Jan 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2270501 683493 digits Apr 2025 Hugh Myers; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3401174 1023860 digits Feb 2022 Adam Pollak; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4097
max n: 2.373.162
n = 15 9 digits
n = 35 15 digits
n = 47 18 digits
n = 107 36 digits
n = 175 57 digits
n = 243 77 digits
n = 923 282 digits
n = 1647 500 digits
n = 6207 1873 digits
n = 8115 2447 digits May 1996 Patrick Demichel
n = 11723 3533 digits
n = 17303 5213 digits Jul 1996 Patrick Demichel
n = 19759 5952 digits
n = 148459 44695 digits
n = 210335 63321 digits
n = 333095 100276 digits Apr 2012 Ulrich Fries; PPSE; PrimeGrid
n = 609075 183354 digits Jan 2011 Daisuke Goto; PSieve; srsieve; PrimeGrid; LLR
n = 953843 287139 digits Jul 2012 Ed Braaten; PSieve; srsieve; PrimeGrid; LLR
n = 1286239 387201 digits Jul 2014 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1472683 443326 digits Feb 2018 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
k: 4099
max n: 2.373.249
n = 6 6 digits
n = 34 14 digits
n = 50 19 digits
n = 270 85 digits
n = 474 147 digits
n = 646 199 digits
n = 1722 522 digits
n = 2350 712 digits
n = 5130 1548 digits
n = 5454 1646 digits
n = 23874 7191 digits
n = 29454 8871 digits
n = 44834 13500 digits
n = 94010 28304 digits
n = 143934 43333 digits
n = 376926 113470 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 1163390 350219 digits Sep 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1227794 369607 digits Jan 2014 Dwight Ringdahl; PSieve; srsieve; PrimeGrid; LLR
n = 1366790 411449 digits Nov 2015 Stefan Ruch; PSieve; srsieve; PrimeGrid; LLR
n = 3467462 1043814 digits Apr 2023 Amy Chambers; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4101
max n: 2.371.960
n = 4 5 digits
n = 8 7 digits
n = 20 10 digits
n = 32 14 digits
n = 65 24 digits
n = 67 24 digits
n = 317 100 digits
n = 331 104 digits
n = 407 127 digits
n = 415 129 digits
n = 443 137 digits
n = 835 255 digits
n = 884 270 digits
n = 2503 758 digits
n = 3704 1119 digits 1993 Jeffrey Young
n = 3724 1125 digits 1993 Jeffrey Young
n = 7163 2160 digits May 1996 Patrick Demichel
n = 7948 2397 digits
n = 8072 2434 digits May 1996 Patrick Demichel
n = 10565 3184 digits
n = 11083 3340 digits
n = 13805 4160 digits
n = 23717 7144 digits 1996 Patrick Demichel
n = 25327 7628 digits
n = 33776 10172 digits
n = 39667 11945 digits
n = 42497 12797 digits
n = 47896 14422 digits
n = 51572 15529 digits
n = 64567 19441 digits
n = 79832 24036 digits
n = 123271 37112 digits
n = 164456 49510 digits
n = 166160 50023 digits
n = 237944 71632 digits
n = 319475 96176 digits
n = 426964 128533 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 526436 158477 digits Jul 2010 Piotr Malara; PSieve; srsieve; PrimeGrid; LLR
n = 581011 174906 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 752863 226638 digits Mar 2012 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 804004 242033 digits Mar 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1444111 434725 digits Mar 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 4103
max n: 2.372.652
n = 5 6 digits
n = 9 7 digits
n = 21 10 digits
n = 73 26 digits
n = 173 56 digits
n = 245 78 digits
n = 369 115 digits
n = 1025 313 digits
n = 4197 1268 digits 1993 Jeffrey Young
n = 6821 2057 digits Mar 1996 Patrick Demichel
n = 13745 4142 digits
n = 13893 4186 digits
n = 14185 4274 digits
n = 16737 5042 digits
n = 44261 13328 digits
n = 52197 15717 digits
n = 71337 21479 digits
n = 97529 29363 digits
n = 680733 204925 digits Aug 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 741069 223088 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1036397 311991 digits Jan 2013 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1222417 367988 digits Dec 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1482977 446425 digits Feb 2018 Bill Cavnaugh; PSieve; srsieve; PrimeGrid; LLR
n = 1631545 491148 digits Feb 2021 Michal Tatárka; PSieve; srsieve; PrimeGrid; LLR
n = 1917061 577097 digits Feb 2024 Vladislav Ketamino; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2085969 627943 digits Jan 2025 Mark Williams; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2246549 676283 digits Mar 2025 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4105
max n: 2.373.325
n = 2 5 digits
n = 228 73 digits
n = 438 136 digits
n = 446 138 digits
n = 792 243 digits
n = 1062 324 digits
n = 1238 377 digits
n = 1842 559 digits
n = 2030 615 digits
n = 12102 3647 digits
n = 36866 11102 digits
n = 40086 12071 digits
n = 63762 19198 digits
n = 80382 24202 digits
n = 82416 24814 digits
n = 118128 35564 digits
n = 188390 56715 digits
n = 269306 81073 digits
n = 1052262 316767 digits Mar 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1094318 329427 digits May 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1593090 479572 digits Sep 2020 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 1603782 482791 digits Sep 2020 Phil Lachance; PSieve; srsieve; PrimeGrid; LLR
k: 4107
max n: 2.372.793
n = 4 5 digits
n = 7 6 digits
n = 10 7 digits
n = 19 10 digits
n = 27 12 digits
n = 34 14 digits
n = 52 20 digits
n = 58 22 digits
n = 67 24 digits
n = 75 27 digits
n = 100 34 digits
n = 118 40 digits
n = 880 269 digits
n = 1327 404 digits
n = 1542 468 digits
n = 2092 634 digits
n = 2779 841 digits
n = 2872 869 digits
n = 4935 1490 digits 1993 Jeffrey Young
n = 14620 4405 digits
n = 21378 6440 digits
n = 30750 9261 digits
n = 39430 11874 digits
n = 41920 12623 digits
n = 73618 22165 digits
n = 127134 38275 digits
n = 139600 42028 digits
n = 163354 49179 digits
n = 199135 59950 digits
n = 321474 96777 digits
n = 638995 192361 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 757192 227942 digits Feb 2012 Michel Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 1221754 367789 digits Dec 2013 Gergely Papp; PSieve; srsieve; PrimeGrid; LLR
n = 1640602 493875 digits Jun 2021 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
k: 4109
max n: 2.372.864
n = 1 4 digits
n = 5 6 digits
n = 7 6 digits
n = 43 17 digits
n = 59 22 digits
n = 113 38 digits
n = 181 59 digits
n = 187 60 digits
n = 229 73 digits
n = 361 113 digits
n = 753 231 digits
n = 841 257 digits
n = 933 285 digits
n = 1287 392 digits
n = 1301 396 digits
n = 1651 501 digits
n = 3045 921 digits
n = 3709 1121 digits 1993 Jeffrey Young
n = 4765 1439 digits 1993 Jeffrey Young
n = 8303 2504 digits
n = 9591 2891 digits
n = 11865 3576 digits
n = 13685 4124 digits
n = 16525 4979 digits
n = 17857 5380 digits
n = 19143 5767 digits
n = 27201 8192 digits
n = 32527 9796 digits
n = 39525 11902 digits
n = 49243 14828 digits
n = 69487 20922 digits
n = 70345 21180 digits
n = 94483 28446 digits
n = 127807 38478 digits
n = 217391 65445 digits
n = 292539 88067 digits
n = 386503 116353 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 586477 176551 digits Dec 2010 Juuro Soga; PSieve; srsieve; PrimeGrid; LLR
n = 634271 190939 digits Feb 2011 Sid Bednar; PSieve; srsieve; PrimeGrid; LLR
n = 1853133 557853 digits Jan 2024 Jan Kožíšek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4111
max n: 2.373.227
n = 4 5 digits
n = 8 7 digits
n = 60 22 digits
n = 108 37 digits
n = 116 39 digits
n = 588 181 digits
n = 4036 1219 digits 1993 Jeffrey Young
n = 5100 1539 digits
n = 7308 2204 digits May 1996 Patrick Demichel
n = 9048 2728 digits
n = 18488 5570 digits
n = 77404 23305 digits
n = 94104 28332 digits
n = 180388 54306 digits
n = 183748 55318 digits
n = 276248 83163 digits
n = 535828 161304 digits Jul 2010 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1286884 387395 digits Jul 2014 Alan Heeler; PSieve; srsieve; PrimeGrid; LLR
n = 1503480 452597 digits Oct 2018 Brian Pomerantz; PSieve; srsieve; PrimeGrid; LLR
k: 4113
max n: 2.373.298
n = 2 5 digits
n = 4 5 digits
n = 5 6 digits
n = 22 11 digits
n = 44 17 digits
n = 46 18 digits
n = 52 20 digits
n = 61 22 digits
n = 84 29 digits
n = 98 34 digits
n = 132 44 digits
n = 138 46 digits
n = 148 49 digits
n = 149 49 digits
n = 164 53 digits
n = 166 54 digits
n = 172 56 digits
n = 178 58 digits
n = 222 71 digits
n = 228 73 digits
n = 346 108 digits
n = 364 114 digits
n = 428 133 digits
n = 661 203 digits
n = 676 208 digits
n = 1457 443 digits
n = 1902 577 digits
n = 2316 701 digits
n = 2441 739 digits
n = 3214 972 digits
n = 3994 1206 digits 1993 Jeffrey Young
n = 5274 1592 digits
n = 7092 2139 digits May 1996 Patrick Demichel
n = 12236 3688 digits
n = 15065 4539 digits
n = 16382 4936 digits
n = 17401 5242 digits Mar 1998 Joseph Makram Mikhail; Proth
n = 30005 9037 digits
n = 30757 9263 digits
n = 32978 9931 digits Feb 1999 Tadashi Taura; Proth
n = 53014 15963 digits
n = 65204 19632 digits
n = 68965 20765 digits
n = 96676 29106 digits
n = 109577 32990 digits
n = 121158 36476 digits
n = 127626 38423 digits
n = 131204 39500 digits
n = 161938 48752 digits
n = 269158 81029 digits
n = 275374 82900 digits
n = 421308 126830 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 680886 204971 digits Sep 2011 Philipp Bliedung; PSieve; srsieve; PrimeGrid; LLR
n = 809446 243672 digits Mar 2012 Sander Kõluvere; PSieve; srsieve; PrimeGrid; LLR
n = 1023694 308167 digits Oct 2012 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 1072334 322809 digits Apr 2013 Ralf Hentrich; PSieve; srsieve; PrimeGrid; LLR
n = 1220636 367452 digits Dec 2013 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
k: 4115
max n: 2.372.608
n = 1 4 digits
n = 11 7 digits
n = 13 8 digits
n = 49 19 digits
n = 71 25 digits
n = 83 29 digits
n = 143 47 digits
n = 349 109 digits
n = 599 184 digits
n = 749 230 digits
n = 841 257 digits
n = 2129 645 digits
n = 2689 814 digits
n = 5573 1682 digits
n = 29099 8764 digits
n = 38591 11621 digits
n = 43093 12976 digits
n = 45821 13798 digits
n = 52739 15880 digits
n = 84311 25384 digits
n = 100153 30153 digits
n = 280589 84470 digits
n = 457703 137786 digits Jun 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 587381 176823 digits Dec 2010 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 1663823 500865 digits Feb 2022 Roman Krompolc; PSieve; srsieve; PrimeGrid; LLR
k: 4117
max n: 2.373.416
n = 6 6 digits
n = 8 7 digits
n = 12 8 digits
n = 14 8 digits
n = 62 23 digits
n = 80 28 digits
n = 104 35 digits
n = 312 98 digits
n = 434 135 digits
n = 446 138 digits
n = 564 174 digits
n = 1838 557 digits
n = 5724 1727 digits
n = 6616 1996 digits
n = 13052 3933 digits
n = 14160 4267 digits
n = 22250 6702 digits
n = 25756 7757 digits
n = 27450 8267 digits
n = 43452 13084 digits
n = 44892 13518 digits
n = 217706 65540 digits
n = 290786 87539 digits
n = 332776 100180 digits Apr 2012 Vaughan Davies; PPSE; PrimeGrid
n = 404704 121832 digits Aug 2012 Dirk Dhuyvetters; PPSE; PrimeGrid
n = 456866 137534 digits May 2009 Lukas Hron; srsieve; PrimeGrid; LLR
n = 1515422 456192 digits Feb 2019 Michael Gutierrez; PSieve; srsieve; PrimeGrid; LLR
n = 1781296 536228 digits Dec 2023 Charles Jackson; PPSE; PrimeGrid
k: 4119
max n: 2.373.405
n = 2 5 digits
n = 9 7 digits
n = 54 20 digits
n = 74 26 digits
n = 110 37 digits
n = 369 115 digits
n = 774 237 digits
n = 1145 349 digits
n = 1265 385 digits
n = 2475 749 digits
n = 2526 765 digits
n = 2889 874 digits
n = 20310 6118 digits
n = 29669 8935 digits
n = 33525 10096 digits
n = 38622 11630 digits
n = 54666 16460 digits
n = 72915 21954 digits
n = 90507 27249 digits
n = 139394 41966 digits
n = 443235 133431 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 476849 143550 digits Oct 2009 Kevin Winter; srsieve; PrimeGrid; LLR
n = 679950 204689 digits Aug 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 2236659 673306 digits Feb 2025 Andrei Piaive; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2327817 700747 digits Dec 2025 Kyle Lewis; PPSE; PrimeGrid
k: 4121
max n: 2.372.874
n = 1 4 digits
n = 3 5 digits
n = 7 6 digits
n = 27 12 digits
n = 33 14 digits
n = 43 17 digits
n = 285 90 digits
n = 315 99 digits
n = 403 125 digits
n = 1357 413 digits
n = 2347 711 digits
n = 2377 720 digits
n = 3087 933 digits
n = 5487 1656 digits
n = 7123 2148 digits May 1996 Patrick Demichel
n = 10777 3248 digits
n = 12567 3787 digits
n = 23743 7151 digits
n = 27117 8167 digits
n = 267777 80613 digits
n = 363783 109514 digits May 2012 Bob Hurd; PPSE; PrimeGrid
n = 417075 125556 digits Oct 2012 James Boerner; PPSE; PrimeGrid
n = 530401 159671 digits Jul 2010 Alexander Kappner; PSieve; srsieve; PrimeGrid; LLR
n = 729585 219631 digits Feb 2012 Yuriy Bogachov; PSieve; srsieve; PrimeGrid; LLR
n = 2152921 648098 digits Feb 2025 Patrick Schöfer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4123
max n: 2.373.049
n = 2 5 digits
n = 8 7 digits
n = 10 7 digits
n = 26 12 digits
n = 34 14 digits
n = 78 28 digits
n = 80 28 digits
n = 100 34 digits
n = 102 35 digits
n = 130 43 digits
n = 154 50 digits
n = 180 58 digits
n = 380 119 digits
n = 594 183 digits
n = 760 233 digits
n = 908 277 digits
n = 936 286 digits
n = 978 299 digits
n = 1358 413 digits
n = 1510 459 digits
n = 1540 468 digits
n = 1652 501 digits
n = 1860 564 digits
n = 2450 742 digits
n = 3498 1057 digits 1993 Jeffrey Young
n = 4768 1439 digits 1993 Jeffrey Young
n = 6360 1919 digits
n = 10092 3042 digits
n = 11766 3546 digits
n = 13050 3933 digits
n = 16182 4875 digits
n = 18254 5499 digits
n = 18632 5613 digits
n = 21018 6331 digits
n = 25870 7792 digits
n = 44218 13315 digits
n = 62952 18955 digits
n = 71890 21645 digits
n = 88870 26757 digits
n = 114842 34575 digits
n = 126920 38211 digits
n = 128810 38780 digits
n = 197768 59538 digits
n = 228766 68870 digits
n = 265078 79801 digits
n = 292314 87999 digits
n = 306530 92279 digits
n = 308628 92910 digits
n = 317598 95611 digits
n = 436470 131395 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 679110 204437 digits Aug 2011 Michał Gasewicz; PSieve; srsieve; PrimeGrid; LLR
n = 704766 212160 digits Sep 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 750746 226001 digits Feb 2012 Jan Fiedler; PSieve; srsieve; PrimeGrid; LLR
n = 936418 281894 digits Jul 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 956916 288065 digits Jul 2012 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 1046068 314902 digits Feb 2013 Vincent Ollivier; PSieve; srsieve; PrimeGrid; LLR
n = 1064770 320532 digits Mar 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1113248 335125 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1598194 481108 digits Sep 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4125
max n: 2.372.526
n = 5 6 digits
n = 7 6 digits
n = 14 8 digits
n = 17 9 digits
n = 20 10 digits
n = 25 12 digits
n = 27 12 digits
n = 33 14 digits
n = 39 16 digits
n = 66 24 digits
n = 72 26 digits
n = 83 29 digits
n = 87 30 digits
n = 94 32 digits
n = 107 36 digits
n = 130 43 digits
n = 133 44 digits
n = 144 47 digits
n = 161 53 digits
n = 162 53 digits
n = 187 60 digits
n = 221 71 digits
n = 293 92 digits
n = 298 94 digits
n = 315 99 digits
n = 318 100 digits
n = 354 111 digits
n = 499 154 digits
n = 564 174 digits
n = 708 217 digits
n = 744 228 digits
n = 807 247 digits
n = 886 271 digits
n = 950 290 digits
n = 1130 344 digits
n = 1223 372 digits
n = 1279 389 digits
n = 1335 406 digits
n = 1351 411 digits
n = 1523 463 digits
n = 1594 484 digits
n = 1615 490 digits
n = 1889 573 digits
n = 2037 617 digits
n = 2371 718 digits
n = 2965 897 digits
n = 2985 903 digits
n = 3524 1065 digits 1993 Jeffrey Young
n = 4050 1223 digits 1993 Jeffrey Young
n = 4366 1318 digits 1993 Jeffrey Young
n = 4371 1320 digits 1993 Jeffrey Young
n = 4837 1460 digits 1993 Jeffrey Young
n = 4889 1476 digits 1993 Jeffrey Young
n = 5162 1558 digits
n = 6212 1874 digits
n = 6665 2010 digits Mar 1996 Patrick Demichel
n = 12225 3684 digits
n = 13150 3963 digits
n = 16681 5026 digits
n = 18534 5583 digits
n = 18623 5610 digits
n = 19170 5775 digits
n = 19243 5797 digits
n = 23241 7000 digits
n = 26971 8123 digits
n = 27645 8326 digits
n = 35858 10798 digits
n = 38313 11537 digits
n = 45005 13552 digits
n = 50942 15339 digits
n = 78950 23770 digits
n = 90060 27115 digits
n = 92511 27853 digits
n = 108981 32811 digits
n = 113893 34289 digits
n = 119122 35863 digits
n = 120475 36271 digits
n = 147550 44421 digits
n = 178125 53625 digits
n = 240045 72265 digits
n = 258433 77800 digits
n = 279099 84021 digits
n = 283987 85493 digits
n = 309521 93179 digits
n = 339401 102174 digits Apr 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 341408 102778 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 408141 122867 digits Aug 2012 Kenta Miyakoshi; PPSE; PrimeGrid
n = 442993 133358 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 490397 147628 digits Feb 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 498255 149994 digits Apr 2010 Steve Martin; PSieve; srsieve; PrimeGrid; LLR
n = 604065 181846 digits Jan 2011 Rob Mitchell; PSieve; srsieve; PrimeGrid; LLR
n = 668091 201120 digits Apr 2011 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 708828 213383 digits Sep 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 727919 219130 digits Feb 2012 Henrik Kleemann; PSieve; srsieve; PrimeGrid; LLR
n = 828645 249451 digits Apr 2012 Steffen Gröger; PSieve; srsieve; PrimeGrid; LLR
n = 843883 254038 digits Apr 2012 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 922514 277709 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1103667 332241 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1230651 370467 digits Jan 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1547912 465972 digits Oct 2019 Erwin Doescher; PSieve; srsieve; PrimeGrid; LLR
n = 2143047 645126 digits Jan 2025 Jonathan Sipes; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4127
max n: 2.373.150
n = 11 7 digits
n = 39 16 digits
n = 63 23 digits
n = 535 165 digits
n = 1671 507 digits
n = 3759 1136 digits 1993 Jeffrey Young
n = 6751 2036 digits Mar 1996 Patrick Demichel
n = 7367 2222 digits May 1996 Patrick Demichel
n = 20151 6070 digits
n = 38799 11684 digits
n = 102599 30889 digits
n = 835263 251443 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
k: 4129
max n: 2.373.145
n = 10 7 digits
n = 14 8 digits
n = 26 12 digits
n = 38 16 digits
n = 46 18 digits
n = 62 23 digits
n = 118 40 digits
n = 142 47 digits
n = 146 48 digits
n = 482 149 digits
n = 646 199 digits
n = 2990 904 digits
n = 59938 18047 digits
n = 303422 91343 digits
k: 4131
max n: 2.372.554
n = 1 4 digits
n = 3 5 digits
n = 9 7 digits
n = 41 16 digits
n = 43 17 digits
n = 49 19 digits
n = 64 23 digits
n = 84 29 digits
n = 88 31 digits
n = 91 32 digits
n = 125 42 digits
n = 157 51 digits
n = 165 54 digits
n = 183 59 digits
n = 239 76 digits
n = 249 79 digits
n = 481 149 digits
n = 705 216 digits
n = 823 252 digits
n = 927 283 digits
n = 989 302 digits
n = 1269 386 digits
n = 2171 658 digits
n = 2307 699 digits
n = 2535 767 digits
n = 3213 971 digits
n = 3333 1007 digits 1993 Jeffrey Young
n = 3979 1202 digits 1993 Jeffrey Young
n = 4501 1359 digits 1993 Jeffrey Young
n = 4691 1416 digits 1993 Jeffrey Young
n = 5043 1522 digits
n = 5980 1804 digits
n = 6065 1830 digits
n = 6129 1849 digits
n = 6263 1889 digits
n = 6615 1995 digits
n = 8325 2510 digits May 1996 Patrick Demichel
n = 8705 2625 digits
n = 9695 2923 digits
n = 10045 3028 digits
n = 10343 3118 digits
n = 10751 3240 digits
n = 11147 3360 digits
n = 14683 4424 digits
n = 15207 4582 digits
n = 17031 5131 digits
n = 18217 5488 digits
n = 19625 5912 digits
n = 26123 7868 digits
n = 26189 7888 digits
n = 29143 8777 digits
n = 29683 8940 digits
n = 30543 9198 digits
n = 32037 9648 digits
n = 32265 9717 digits
n = 35477 10684 digits
n = 38455 11580 digits
n = 53825 16207 digits
n = 66828 20121 digits
n = 71929 21657 digits
n = 114491 34469 digits
n = 117209 35288 digits
n = 118485 35672 digits
n = 137285 41331 digits
n = 138535 41707 digits
n = 156785 47201 digits
n = 267787 80616 digits
n = 297945 89694 digits
n = 317957 95719 digits
n = 331625 99833 digits
n = 346591 104338 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 434619 130837 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 471173 141841 digits Oct 2009 Bruno Courty; srsieve; PrimeGrid; LLR
n = 628399 189171 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 837291 252054 digits Apr 2012 Ryan Becker; PSieve; srsieve; PrimeGrid; LLR
n = 889773 267852 digits May 2012 Sergii Lavrinenko; PSieve; srsieve; PrimeGrid; LLR
n = 1121188 337515 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1167719 351523 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 2061403 620548 digits Jan 2025 Louis Meuler; PPSE; PrimeGrid
n = 2223567 669364 digits Feb 2025 David Bestor; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4133
max n: 2.372.240
n = 5 6 digits
n = 9 7 digits
n = 21 10 digits
n = 29 13 digits
n = 45 18 digits
n = 173 56 digits
n = 245 78 digits
n = 261 83 digits
n = 665 204 digits
n = 701 215 digits
n = 2721 823 digits
n = 3521 1064 digits 1993 Jeffrey Young
n = 6441 1943 digits
n = 9105 2745 digits
n = 10401 3135 digits
n = 37085 11168 digits
n = 54941 16543 digits
n = 99921 30083 digits
n = 154073 46385 digits
n = 250061 75280 digits
n = 258909 77943 digits
n = 355125 106907 digits May 2012 PPSE; PrimeGrid
n = 364145 109623 digits May 2012 PPSE; PrimeGrid
n = 441969 133050 digits Dec 2012 Tapio Rajala; PPSE; PrimeGrid
n = 530333 159650 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 727265 218933 digits Feb 2012 Jung Hoon Noh; PSieve; srsieve; PrimeGrid; LLR
n = 1307069 393471 digits Feb 2015 Eirik Lunner; PSieve; srsieve; PrimeGrid; LLR
n = 1415841 426215 digits Jul 2016 Franz-Xaver Harvanek; PSieve; srsieve; PrimeGrid; LLR
n = 1652985 497602 digits Jan 2022 Jelle Slaets; PSieve; srsieve; PrimeGrid; LLR
n = 1832313 551585 digits Jan 2024 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2325821 700146 digits Nov 2025 Kai Presler; PPSE; PrimeGrid
k: 4135
max n: 2.373.424
n = 4 5 digits
n = 22 11 digits
n = 64 23 digits
n = 96 33 digits
n = 112 38 digits
n = 124 41 digits
n = 232 74 digits
n = 478 148 digits
n = 492 152 digits
n = 1248 380 digits
n = 35844 10794 digits
n = 111382 33533 digits
n = 150184 45214 digits
n = 168552 50743 digits
n = 211348 63626 digits
n = 307078 92444 digits
n = 380976 114689 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 585064 176126 digits Nov 2010 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
k: 4137
max n: 2.372.751
n = 6 6 digits
n = 8 7 digits
n = 24 11 digits
n = 30 13 digits
n = 39 16 digits
n = 42 17 digits
n = 54 20 digits
n = 63 23 digits
n = 82 29 digits
n = 90 31 digits
n = 107 36 digits
n = 142 47 digits
n = 167 54 digits
n = 336 105 digits
n = 428 133 digits
n = 584 180 digits
n = 594 183 digits
n = 683 210 digits
n = 716 220 digits
n = 802 246 digits
n = 1371 417 digits
n = 1402 426 digits
n = 1491 453 digits
n = 1852 562 digits
n = 2724 824 digits
n = 2746 831 digits
n = 2899 877 digits
n = 2950 892 digits
n = 3106 939 digits
n = 3707 1120 digits 1993 Jeffrey Young
n = 4470 1350 digits 1993 Jeffrey Young
n = 4991 1507 digits 1993 Jeffrey Young
n = 7927 2390 digits
n = 8014 2417 digits May 1996 Patrick Demichel
n = 8128 2451 digits May 1996 Patrick Demichel
n = 9132 2753 digits
n = 9379 2827 digits
n = 9663 2913 digits
n = 10443 3148 digits
n = 12043 3629 digits
n = 21304 6417 digits Oct 1996 Patrick Demichel
n = 23051 6943 digits
n = 36771 11073 digits
n = 39147 11789 digits
n = 41387 12463 digits
n = 48322 14550 digits Feb 1999 Tadashi Taura; Proth
n = 66851 20128 digits
n = 94060 28319 digits
n = 95446 28736 digits
n = 98107 29537 digits
n = 113356 34128 digits
n = 117768 35456 digits
n = 169650 51074 digits
n = 181200 54551 digits
n = 390552 117572 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 450291 135555 digits May 2009 Dale Laluk; srsieve; PrimeGrid; LLR
n = 517747 155861 digits Jun 2010 Daishin Ueyama; PSieve; srsieve; PrimeGrid; LLR
n = 548352 165075 digits Sep 2010 Joseph Donohue; PSieve; srsieve; PrimeGrid; LLR
n = 649739 195595 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 656799 197720 digits Mar 2011 Lars Wallin; PSieve; srsieve; PrimeGrid; LLR
n = 831752 250386 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 983226 295985 digits Sep 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1064622 320487 digits Mar 2013 Justin Keenan; PSieve; srsieve; PrimeGrid; LLR
n = 1206972 363339 digits Dec 2013 Mark Henderson; PSieve; srsieve; PrimeGrid; LLR
n = 1468890 442184 digits Feb 2018 Bill Cavnaugh; PSieve; srsieve; PrimeGrid; LLR
n = 2346427 706349 digits Mar 2026 PPSE; PrimeGrid
k: 4139
max n: 2.372.814
n = 3 5 digits
n = 325 102 digits
n = 845 258 digits
n = 2551 772 digits
n = 4903 1480 digits 1993 Jeffrey Young
n = 8835 2664 digits
n = 15175 4572 digits
n = 16549 4986 digits
n = 38053 11459 digits
n = 192123 57839 digits
n = 526263 158425 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4141
max n: 2.372.475
n = 8 7 digits
n = 40 16 digits
n = 160 52 digits
n = 176 57 digits
n = 240 76 digits
n = 264 84 digits
n = 476 147 digits
n = 500 155 digits
n = 856 262 digits
n = 996 304 digits
n = 1292 393 digits
n = 1392 423 digits
n = 1696 515 digits
n = 2128 645 digits
n = 2320 703 digits
n = 2624 794 digits
n = 3108 940 digits
n = 3436 1038 digits 1993 Jeffrey Young
n = 3440 1040 digits 1993 Jeffrey Young
n = 12604 3798 digits
n = 13036 3928 digits
n = 21940 6609 digits
n = 24928 7508 digits
n = 25608 7713 digits
n = 31764 9566 digits
n = 31844 9590 digits
n = 36656 11039 digits
n = 113288 34107 digits
n = 727468 218994 digits Feb 2012 Simon Geis; PSieve; srsieve; PrimeGrid; LLR
n = 857280 258071 digits May 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
n = 1066404 321024 digits Apr 2013 Charles E Cook; PSieve; srsieve; PrimeGrid; LLR
n = 1103524 332198 digits Jul 2013 Takeshi Nakamura; PSieve; srsieve; PrimeGrid; LLR
n = 1462180 440164 digits Dec 2017 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 1671724 503243 digits Feb 2022 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
k: 4143
max n: 2.372.832
n = 1 4 digits
n = 2 5 digits
n = 13 8 digits
n = 17 9 digits
n = 32 14 digits
n = 56 21 digits
n = 61 22 digits
n = 62 23 digits
n = 86 30 digits
n = 140 46 digits
n = 280 88 digits
n = 281 89 digits
n = 301 95 digits
n = 340 106 digits
n = 437 136 digits
n = 592 182 digits
n = 626 193 digits
n = 632 194 digits
n = 652 200 digits
n = 1166 355 digits
n = 1285 391 digits
n = 1453 442 digits
n = 1777 539 digits
n = 2825 855 digits
n = 3097 936 digits
n = 3212 971 digits
n = 5210 1572 digits
n = 7256 2188 digits May 1996 Patrick Demichel
n = 8621 2599 digits May 1996 Patrick Demichel
n = 9254 2790 digits
n = 9476 2857 digits
n = 11765 3546 digits
n = 21136 6367 digits
n = 23245 7002 digits
n = 62165 18718 digits
n = 70345 21180 digits
n = 75560 22750 digits
n = 78692 23693 digits
n = 99316 29901 digits
n = 112645 33914 digits
n = 116066 34943 digits
n = 118537 35687 digits
n = 189464 57038 digits
n = 311881 93890 digits
n = 378314 113888 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 476917 143570 digits Oct 2009 Michael Anderson; srsieve; PrimeGrid; LLR
n = 677870 204063 digits Aug 2011 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 1087276 327307 digits Apr 2013 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1137800 342516 digits Aug 2013 Justin Keenan; PSieve; srsieve; PrimeGrid; LLR
n = 1334200 401638 digits Apr 2015 PoChun Huang; PSieve; srsieve; PrimeGrid; LLR
n = 1867321 562124 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4145
max n: 2.372.804
n = 1 4 digits
n = 3 5 digits
n = 15 9 digits
n = 17 9 digits
n = 21 10 digits
n = 43 17 digits
n = 53 20 digits
n = 87 30 digits
n = 97 33 digits
n = 135 45 digits
n = 217 69 digits
n = 303 95 digits
n = 505 156 digits
n = 881 269 digits
n = 1251 381 digits
n = 2695 815 digits
n = 2745 830 digits
n = 3237 979 digits
n = 3513 1062 digits 1993 Jeffrey Young
n = 5551 1675 digits
n = 5863 1769 digits
n = 5887 1776 digits
n = 6787 2047 digits Mar 1996 Patrick Demichel
n = 7315 2206 digits May 1996 Patrick Demichel
n = 8755 2640 digits
n = 8833 2663 digits
n = 13573 4090 digits
n = 27675 8335 digits
n = 130063 39157 digits
n = 182925 55070 digits
n = 185605 55877 digits
n = 209441 63052 digits
n = 549533 165430 digits Sep 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 963525 290054 digits Aug 2012 Rob Derrera; PSieve; srsieve; PrimeGrid; LLR
n = 1597081 480773 digits Sep 2020 Will Steinbach; PSieve; srsieve; PrimeGrid; LLR
k: 4147
max n: 2.372.833
n = 12 8 digits
n = 30 13 digits
n = 36 15 digits
n = 66 24 digits
n = 798 244 digits
n = 1332 405 digits
n = 3014 911 digits
n = 3804 1149 digits 1993 Jeffrey Young
n = 3836 1159 digits 1993 Jeffrey Young
n = 9462 2852 digits
n = 9468 2854 digits
n = 16052 4836 digits
n = 56948 17147 digits
k: 4149
max n: 2.373.057
n = 9 7 digits
n = 18 10 digits
n = 25 12 digits
n = 37 15 digits
n = 151 50 digits
n = 198 64 digits
n = 205 66 digits
n = 226 72 digits
n = 285 90 digits
n = 298 94 digits
n = 411 128 digits
n = 658 202 digits
n = 726 223 digits
n = 1017 310 digits
n = 1033 315 digits
n = 1150 350 digits
n = 1717 521 digits
n = 2262 685 digits
n = 4725 1426 digits 1993 Jeffrey Young
n = 7093 2139 digits May 1996 Patrick Demichel
n = 8602 2594 digits May 1996 Patrick Demichel
n = 13986 4214 digits
n = 40150 12090 digits
n = 46486 13998 digits
n = 101958 30697 digits
n = 121585 36605 digits
n = 164530 49533 digits
n = 425311 128035 digits Nov 2012 Valter Cavecchia; PPSE; PrimeGrid
n = 798901 240497 digits Mar 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 1093926 329309 digits May 2013 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1906173 573819 digits Feb 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2104810 633615 digits Jan 2025 Jonathan Seeley; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4151
max n: 2.372.240
n = 5 6 digits
n = 9 7 digits
n = 21 10 digits
n = 49 19 digits
n = 51 19 digits
n = 97 33 digits
n = 201 65 digits
n = 245 78 digits
n = 377 118 digits
n = 499 154 digits
n = 517 160 digits
n = 637 196 digits
n = 747 229 digits
n = 761 233 digits
n = 1069 326 digits
n = 1169 356 digits
n = 1787 542 digits
n = 1841 558 digits
n = 4749 1434 digits 1993 Jeffrey Young
n = 6107 1843 digits
n = 12129 3655 digits
n = 15249 4595 digits
n = 19951 6010 digits
n = 48381 14568 digits Jul 2000 Jo Yeong Uk; Proth
n = 66865 20132 digits Sep 2000 Jo Yeong Uk; Proth
n = 105735 31834 digits
n = 167429 50405 digits
n = 180779 54424 digits
n = 249559 75129 digits
n = 256991 77366 digits
n = 536151 161402 digits Jul 2010 Peter Kröger; PSieve; srsieve; PrimeGrid; LLR
n = 587777 176943 digits Dec 2010 Del S. Brand; PSieve; srsieve; PrimeGrid; LLR
n = 758657 228383 digits Feb 2012 Stefan Baumgärtner; PSieve; srsieve; PrimeGrid; LLR
n = 961565 289464 digits Aug 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1256259 378176 digits Apr 2014 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1653199 497667 digits Jan 2022 Jelle Slaets; PSieve; srsieve; PrimeGrid; LLR
n = 1707851 514118 digits Aug 2022 PPSE; PrimeGrid
n = 1909615 574856 digits Feb 2024 Takeshi Nakamura; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2162677 651035 digits Feb 2025 Charlotte Woodrow; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4153
max n: 2.373.263
n = 4 5 digits
n = 12 8 digits
n = 18 10 digits
n = 32 14 digits
n = 34 14 digits
n = 48 19 digits
n = 88 31 digits
n = 174 56 digits
n = 178 58 digits
n = 282 89 digits
n = 432 134 digits
n = 552 170 digits
n = 802 246 digits
n = 1438 437 digits
n = 2932 887 digits
n = 4904 1480 digits 1993 Jeffrey Young
n = 7488 2258 digits May 1996 Patrick Demichel
n = 8252 2488 digits May 1996 Patrick Demichel
n = 13174 3970 digits
n = 13292 4005 digits
n = 19528 5883 digits
n = 24672 7431 digits
n = 27004 8133 digits
n = 38618 11629 digits
n = 42622 12835 digits
n = 50142 15098 digits
n = 61954 18654 digits
n = 68038 20486 digits
n = 80748 24312 digits
n = 84118 25326 digits
n = 89148 26840 digits
n = 109418 32942 digits
n = 147542 44419 digits
n = 211978 63816 digits
n = 238638 71841 digits
n = 269064 81000 digits
n = 341432 102785 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 367468 110623 digits May 2012 PPSE; PrimeGrid
n = 616478 185582 digits Jan 2011 Eric Lawson; PSieve; srsieve; PrimeGrid; LLR
n = 739222 222532 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 889168 267670 digits May 2012 Torben Kock; PSieve; srsieve; PrimeGrid; LLR
n = 1035292 311658 digits Jan 2013 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 1867922 562305 digits Feb 2024 Frank Doornink; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2017098 607211 digits Dec 2024 Hugh Myers; PPSE; PrimeGrid
k: 4155
max n: 2.373.133
n = 1 4 digits
n = 5 6 digits
n = 6 6 digits
n = 7 6 digits
n = 13 8 digits
n = 18 10 digits
n = 21 10 digits
n = 36 15 digits
n = 37 15 digits
n = 45 18 digits
n = 53 20 digits
n = 56 21 digits
n = 88 31 digits
n = 98 34 digits
n = 105 36 digits
n = 115 39 digits
n = 116 39 digits
n = 126 42 digits
n = 174 56 digits
n = 198 64 digits
n = 237 75 digits
n = 288 91 digits
n = 330 103 digits
n = 453 140 digits
n = 475 147 digits
n = 656 202 digits
n = 689 212 digits
n = 720 221 digits
n = 884 270 digits
n = 901 275 digits
n = 933 285 digits
n = 1197 364 digits
n = 1285 391 digits
n = 1316 400 digits
n = 1835 557 digits
n = 1973 598 digits
n = 2037 617 digits
n = 2291 694 digits
n = 2875 870 digits
n = 2993 905 digits
n = 3373 1019 digits 1993 Jeffrey Young
n = 3673 1110 digits 1993 Jeffrey Young
n = 3801 1148 digits 1993 Jeffrey Young
n = 4147 1252 digits 1993 Jeffrey Young
n = 4319 1304 digits 1993 Jeffrey Young
n = 6225 1878 digits
n = 6261 1889 digits
n = 9106 2745 digits
n = 11059 3333 digits
n = 12089 3643 digits
n = 13521 4074 digits
n = 17109 5154 digits
n = 18696 5632 digits
n = 21713 6540 digits
n = 31638 9528 digits
n = 40149 12090 digits
n = 51853 15613 digits
n = 52471 15799 digits
n = 53137 16000 digits
n = 60403 18187 digits
n = 65918 19847 digits
n = 76297 22972 digits
n = 82339 24791 digits
n = 129716 39053 digits
n = 192493 57950 digits
n = 245371 73868 digits
n = 359794 108313 digits May 2012 PPSE; PrimeGrid
n = 369467 111225 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 579446 174435 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 644816 194113 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 823357 247859 digits Apr 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1005074 302562 digits Sep 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1139371 342989 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1338346 402886 digits Apr 2015 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1441677 433992 digits Feb 2017 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1542311 464286 digits Jul 2019 Carlos Cândido; PSieve; srsieve; PrimeGrid; LLR
n = 2207423 664505 digits Feb 2025 Daniel Greeley; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2214113 666519 digits Feb 2025 Jonathan Gehrke; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4157
max n: 2.373.455
n = 11 7 digits
n = 55 21 digits
n = 139 46 digits
n = 163 53 digits
n = 287 91 digits
n = 703 216 digits
n = 1315 400 digits
n = 3227 976 digits
n = 4015 1213 digits 1993 Jeffrey Young
n = 11447 3450 digits
n = 33295 10027 digits
n = 34535 10400 digits
n = 39575 11917 digits
n = 141655 42647 digits
n = 143831 43302 digits
n = 2069299 622925 digits Jan 2025 Tom Greer; PPSE; PrimeGrid
k: 4159
max n: 2.372.837
n = 6 6 digits
n = 22 11 digits
n = 66 24 digits
n = 118 40 digits
n = 126 42 digits
n = 798 244 digits
n = 882 270 digits
n = 2458 744 digits
n = 11082 3340 digits
n = 26062 7850 digits
n = 39786 11981 digits
n = 57730 17383 digits
n = 79358 23893 digits
n = 96958 29191 digits
n = 242782 73089 digits
n = 1516686 456572 digits Feb 2019 Pete Allivato; PSieve; srsieve; PrimeGrid; LLR
k: 4161
max n: 2.372.815
n = 3 5 digits
n = 5 6 digits
n = 8 7 digits
n = 33 14 digits
n = 36 15 digits
n = 60 22 digits
n = 71 25 digits
n = 75 27 digits
n = 128 43 digits
n = 129 43 digits
n = 284 90 digits
n = 389 121 digits
n = 425 132 digits
n = 464 144 digits
n = 543 168 digits
n = 552 170 digits
n = 555 171 digits
n = 663 204 digits
n = 749 230 digits
n = 1443 439 digits
n = 1640 498 digits
n = 1692 513 digits
n = 2448 741 digits
n = 3263 986 digits
n = 3603 1089 digits 1993 Jeffrey Young
n = 4485 1354 digits 1993 Jeffrey Young
n = 4512 1362 digits 1993 Jeffrey Young
n = 5615 1694 digits
n = 7905 2384 digits
n = 10763 3244 digits
n = 15716 4735 digits
n = 17849 5377 digits Jul 1996 Patrick Demichel
n = 18543 5586 digits
n = 75005 22583 digits
n = 175820 52931 digits
n = 221036 66543 digits
n = 866276 260779 digits May 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1599503 481503 digits Sep 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4163
max n: 2.373.393
n = 9 7 digits
n = 337 106 digits
n = 577 178 digits
n = 1657 503 digits
n = 3205 969 digits
n = 4725 1426 digits 1993 Jeffrey Young
n = 5637 1701 digits
n = 6793 2049 digits Mar 1996 Patrick Demichel
n = 22149 6672 digits
n = 29917 9010 digits
n = 92749 27924 digits
n = 419769 126367 digits Oct 2012 PPSE; PrimeGrid
n = 1057885 318459 digits Mar 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1088845 327779 digits Apr 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1879309 565732 digits Feb 2024 Fred Roberts; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4165
max n: 2.372.655
n = 2 5 digits
n = 10 7 digits
n = 12 8 digits
n = 20 10 digits
n = 22 11 digits
n = 92 32 digits
n = 94 32 digits
n = 206 66 digits
n = 286 90 digits
n = 382 119 digits
n = 384 120 digits
n = 496 153 digits
n = 562 173 digits
n = 772 237 digits
n = 962 294 digits
n = 1210 368 digits
n = 1392 423 digits
n = 1552 471 digits
n = 2612 790 digits
n = 2772 839 digits
n = 2900 877 digits
n = 6986 2107 digits Mar 1996 Patrick Demichel
n = 7346 2215 digits May 1996 Patrick Demichel
n = 12110 3650 digits
n = 13870 4179 digits
n = 14714 4433 digits
n = 15050 4535 digits Nov 1997 Henri Lifchitz; Proth
n = 17682 5327 digits
n = 23854 7185 digits
n = 59482 17910 digits
n = 102300 30799 digits
n = 123334 37131 digits
n = 147476 44399 digits
n = 309662 93222 digits Dec 2006 John Metcalf; NewPGen; LLR
n = 369256 111161 digits Dec 2006 Adrian Schori; PPSE; PrimeGrid
n = 411560 123896 digits Jan 2007 Casimir Ksiazek III; PPSE; PrimeGrid
n = 509150 153274 digits May 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 567090 170715 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 797502 240076 digits Mar 2012 Carlos de la Fuente Díaz; PSieve; srsieve; PrimeGrid; LLR
n = 824502 248204 digits Apr 2012 Dmitriy Kodochigov; PSieve; srsieve; PrimeGrid; LLR
n = 877620 264194 digits May 2012 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 952964 286875 digits Jul 2012 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
n = 1277810 384663 digits Jun 2014 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 2157460 649464 digits Feb 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2244244 675589 digits Mar 2025 Vadim Bulanov; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4167
max n: 2.372.649
n = 6 6 digits
n = 8 7 digits
n = 36 15 digits
n = 48 19 digits
n = 52 20 digits
n = 66 24 digits
n = 78 28 digits
n = 87 30 digits
n = 98 34 digits
n = 144 47 digits
n = 204 66 digits
n = 215 69 digits
n = 308 97 digits
n = 372 116 digits
n = 423 131 digits
n = 812 249 digits
n = 2048 621 digits
n = 3500 1058 digits 1993 Jeffrey Young
n = 3794 1146 digits 1993 Jeffrey Young
n = 7071 2133 digits Mar 1996 Patrick Demichel
n = 7510 2265 digits May 1996 Patrick Demichel
n = 12498 3766 digits
n = 15942 4803 digits
n = 22212 6691 digits
n = 25418 7656 digits
n = 27916 8408 digits
n = 29880 8999 digits
n = 35302 10631 digits
n = 37372 11254 digits
n = 37610 11326 digits
n = 44988 13547 digits
n = 62338 18770 digits
n = 74476 22424 digits
n = 118824 35774 digits
n = 131770 39671 digits
n = 227110 68371 digits
n = 341090 102682 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 533886 160720 digits Jul 2010 Bianca Wagner; PSieve; srsieve; PrimeGrid; LLR
n = 553508 166627 digits Oct 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 782975 235703 digits Mar 2012 Richer Yang; PSieve; srsieve; PrimeGrid; LLR
n = 791084 238144 digits Mar 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 956690 287997 digits Aug 2012 Rauno Jakobson; PSieve; srsieve; PrimeGrid; LLR
n = 1158726 348815 digits Sep 2013 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1166770 351237 digits Sep 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1271064 382633 digits May 2014 Charles Morton; PSieve; srsieve; PrimeGrid; LLR
n = 1851390 557328 digits Jan 2024 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4169
max n: 2.373.232
n = 3 5 digits
n = 7 6 digits
n = 9 7 digits
n = 15 9 digits
n = 19 10 digits
n = 25 12 digits
n = 59 22 digits
n = 189 61 digits
n = 203 65 digits
n = 467 145 digits
n = 509 157 digits
n = 675 207 digits
n = 1569 476 digits
n = 1649 501 digits
n = 2119 642 digits
n = 2549 771 digits
n = 3187 964 digits
n = 3915 1183 digits 1993 Jeffrey Young
n = 6193 1868 digits
n = 6279 1894 digits
n = 18403 5544 digits
n = 24743 7453 digits
n = 26737 8053 digits
n = 28023 8440 digits
n = 32483 9782 digits
n = 42269 12728 digits
n = 90583 27272 digits
n = 376297 113281 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 452405 136192 digits May 2009 Steven R. Shapiro; srsieve; PrimeGrid; LLR
n = 894583 269300 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1222495 368012 digits Dec 2013 Lonnie Christensen; PSieve; srsieve; PrimeGrid; LLR
n = 1679809 505677 digits Mar 2022 Juha Hauhia; PPSE; PrimeGrid
n = 1885859 567704 digits Feb 2024 Ian Dickinson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4171
max n: 2.373.448
n = 8 7 digits
n = 32 14 digits
n = 112 38 digits
n = 196 63 digits
n = 1916 581 digits
n = 9152 2759 digits
n = 22576 6800 digits
n = 24860 7488 digits
n = 59660 17964 digits
n = 95828 28851 digits
n = 162268 48852 digits
n = 1624040 488889 digits Feb 2021 Brian D. Niegocki; PSieve; srsieve; PrimeGrid; LLR
n = 1743460 524838 digits May 2023 Ryan Propper; PPSE; PrimeGrid
k: 4173
max n: 2.372.668
n = 2 5 digits
n = 10 7 digits
n = 18 10 digits
n = 29 13 digits
n = 32 14 digits
n = 44 17 digits
n = 60 22 digits
n = 134 44 digits
n = 157 51 digits
n = 181 59 digits
n = 317 100 digits
n = 838 256 digits
n = 870 266 digits
n = 1109 338 digits
n = 1600 486 digits
n = 2034 616 digits
n = 2197 665 digits
n = 2717 822 digits
n = 4742 1432 digits 1993 Jeffrey Young
n = 5038 1521 digits
n = 5090 1536 digits
n = 5784 1745 digits
n = 24944 7513 digits
n = 28612 8617 digits
n = 35229 10609 digits
n = 68168 20525 digits
n = 104158 31359 digits
n = 111382 33533 digits
n = 682750 205532 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1377656 414720 digits Feb 2016 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1643398 494716 digits Aug 2021 Andrew Dunchouk; PSieve; srsieve; PrimeGrid; LLR
n = 2180942 656533 digits Feb 2025 George Burtner; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4175
max n: 2.373.347
n = 21 10 digits
n = 177 57 digits
n = 555 171 digits
n = 599 184 digits
n = 669 206 digits
n = 879 269 digits
n = 3273 989 digits
n = 3515 1062 digits 1993 Jeffrey Young
n = 24455 7366 digits Nov 1998 Baptiste Heyman; Proth
n = 32943 9921 digits
n = 1719587 517651 digits Nov 2022 Yegor Ryabchikov; PPSE; PrimeGrid
k: 4177
max n: 2.372.949
n = 24 11 digits
n = 36 15 digits
n = 66 24 digits
n = 1266 385 digits
n = 1354 412 digits
n = 1800 546 digits
n = 3996 1207 digits 1993 Jeffrey Young
n = 5148 1554 digits
n = 13506 4070 digits
n = 30246 9109 digits
n = 49870 15016 digits
n = 1055580 317765 digits Mar 2013 Adam Smith; PSieve; srsieve; PrimeGrid; LLR
n = 1104696 332551 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1507146 453700 digits Dec 2018 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
k: 4179
max n: 2.373.041
n = 7 6 digits
n = 15 9 digits
n = 17 9 digits
n = 19 10 digits
n = 22 11 digits
n = 23 11 digits
n = 62 23 digits
n = 66 24 digits
n = 105 36 digits
n = 183 59 digits
n = 197 63 digits
n = 235 75 digits
n = 302 95 digits
n = 591 182 digits
n = 819 251 digits
n = 1034 315 digits
n = 1058 323 digits
n = 1238 377 digits
n = 1611 489 digits
n = 4494 1357 digits 1993 Jeffrey Young
n = 4987 1505 digits 1993 Jeffrey Young
n = 6058 1828 digits
n = 7747 2336 digits May 1996 Patrick Demichel
n = 13577 4091 digits
n = 20717 6241 digits
n = 37474 11285 digits
n = 42687 12854 digits
n = 50331 15155 digits
n = 66057 19889 digits
n = 130687 39345 digits
n = 337867 101712 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 359582 108249 digits May 2012 David Yost; PPSE; PrimeGrid
n = 628306 189143 digits Feb 2011 Siegfried Niklas; PSieve; srsieve; PrimeGrid; LLR
n = 838755 252495 digits Apr 2012 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 1011862 304605 digits Oct 2012 Tomo Koscak; PSieve; srsieve; PrimeGrid; LLR
n = 1060109 319129 digits Mar 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1586359 477546 digits Sep 2020 Keith Reinhardt; PSieve; srsieve; PrimeGrid; LLR
k: 4181
max n: 2.372.728
n = 1 4 digits
n = 7 6 digits
n = 11 7 digits
n = 17 9 digits
n = 31 13 digits
n = 59 22 digits
n = 79 28 digits
n = 97 33 digits
n = 299 94 digits
n = 317 100 digits
n = 611 188 digits
n = 1711 519 digits
n = 6421 1937 digits
n = 7139 2153 digits May 1996 Patrick Demichel
n = 11101 3346 digits
n = 11987 3613 digits
n = 14677 4422 digits
n = 15239 4592 digits
n = 15319 4616 digits
n = 36847 11096 digits
n = 80697 24296 digits
n = 95441 28735 digits
n = 221599 66712 digits
n = 402647 121213 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 508637 153119 digits May 2010 Bjorn Lindberg; PSieve; srsieve; PrimeGrid; LLR
n = 760529 228946 digits Feb 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
k: 4183
max n: 2.373.377
n = 6 6 digits
n = 26 12 digits
n = 182 59 digits
n = 346 108 digits
n = 352 110 digits
n = 358 112 digits
n = 408 127 digits
n = 456 141 digits
n = 1146 349 digits
n = 1272 387 digits
n = 1342 408 digits
n = 1386 421 digits
n = 3986 1204 digits 1993 Jeffrey Young
n = 4702 1420 digits 1993 Jeffrey Young
n = 15646 4714 digits
n = 19728 5943 digits
n = 53152 16004 digits
n = 59242 17838 digits
n = 198686 59815 digits
n = 323520 97393 digits
n = 423738 127562 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 1283856 386483 digits Jul 2014 Dennis Bischof; PSieve; srsieve; PrimeGrid; LLR
k: 4185
max n: 2.372.605
n = 2 5 digits
n = 14 8 digits
n = 19 10 digits
n = 23 11 digits
n = 26 12 digits
n = 37 15 digits
n = 46 18 digits
n = 59 22 digits
n = 74 26 digits
n = 100 34 digits
n = 128 43 digits
n = 139 46 digits
n = 145 48 digits
n = 157 51 digits
n = 158 52 digits
n = 166 54 digits
n = 223 71 digits
n = 400 125 digits
n = 560 173 digits
n = 668 205 digits
n = 722 221 digits
n = 859 263 digits
n = 932 285 digits
n = 937 286 digits
n = 973 297 digits
n = 1616 491 digits
n = 1624 493 digits
n = 1954 592 digits
n = 2254 683 digits
n = 2450 742 digits
n = 2653 803 digits
n = 2918 883 digits
n = 3424 1035 digits 1993 Jeffrey Young
n = 3997 1207 digits 1993 Jeffrey Young
n = 4102 1239 digits 1993 Jeffrey Young
n = 4525 1366 digits 1993 Jeffrey Young
n = 6085 1836 digits
n = 6098 1840 digits
n = 6103 1841 digits
n = 6269 1891 digits
n = 8155 2459 digits May 1996 Patrick Demichel
n = 8722 2630 digits
n = 8732 2633 digits
n = 9697 2923 digits
n = 10819 3261 digits
n = 11302 3406 digits May 1996 Patrick Demichel
n = 13730 4137 digits
n = 14098 4248 digits
n = 21455 6463 digits
n = 22549 6792 digits
n = 25070 7551 digits
n = 54574 16433 digits
n = 94294 28389 digits
n = 99038 29818 digits
n = 101069 30429 digits
n = 114463 34461 digits
n = 126982 38230 digits
n = 146870 44216 digits
n = 155545 46828 digits
n = 167315 50371 digits
n = 167677 50480 digits
n = 268178 80734 digits
n = 613519 184692 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 829369 249669 digits Apr 2012 Mike Parker; PSieve; srsieve; PrimeGrid; LLR
n = 1097606 330416 digits Jun 2013 Benjamin Glasgow; PSieve; srsieve; PrimeGrid; LLR
n = 1306763 393379 digits Feb 2015 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
k: 4187
max n: 2.373.459
n = 7 6 digits
n = 11 7 digits
n = 15 9 digits
n = 191 62 digits
n = 371 116 digits
n = 827 253 digits
n = 947 289 digits
n = 1271 387 digits
n = 1987 602 digits
n = 2039 618 digits
n = 3635 1098 digits 1993 Jeffrey Young
n = 4211 1272 digits 1993 Jeffrey Young
n = 14951 4505 digits
n = 52067 15678 digits
n = 70975 21370 digits
n = 84571 25463 digits
n = 189455 57036 digits
n = 197555 59474 digits
n = 204995 61714 digits
n = 846987 254973 digits Apr 2012 Giles Averay-Jones; PSieve; srsieve; PrimeGrid; LLR
n = 891907 268495 digits Jun 2012 Frank Matillek; PSieve; srsieve; PrimeGrid; LLR
k: 4189
max n: 2.373.461
n = 114 38 digits
n = 498 154 digits
n = 2742 830 digits
n = 42750 12873 digits
k: 4191
max n: 2.372.526
n = 3 5 digits
n = 4 5 digits
n = 7 6 digits
n = 19 10 digits
n = 25 12 digits
n = 36 15 digits
n = 40 16 digits
n = 168 55 digits
n = 184 60 digits
n = 363 113 digits
n = 540 167 digits
n = 732 224 digits
n = 744 228 digits
n = 916 280 digits
n = 1456 442 digits
n = 1603 487 digits
n = 8991 2711 digits
n = 13380 4032 digits
n = 18436 5554 digits
n = 20743 6248 digits
n = 21703 6537 digits
n = 23023 6935 digits
n = 24544 7393 digits
n = 56448 16997 digits
n = 56740 17085 digits
n = 58944 17748 digits
n = 69388 20892 digits
n = 82273 24771 digits
n = 115399 34743 digits
n = 121699 36639 digits
n = 134412 40466 digits
n = 160591 48347 digits
n = 161836 48722 digits
n = 202783 61048 digits
n = 241203 72613 digits
n = 374305 112681 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 511528 153989 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 661708 199198 digits Apr 2011 Heinz Ming; PSieve; srsieve; PrimeGrid; LLR
n = 873511 262957 digits May 2012 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1452211 437163 digits Jul 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1535425 462213 digits Apr 2019 Louis Helm; PSieve; srsieve; PrimeGrid; LLR
n = 1933912 582170 digits Mar 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3419227 1029294 digits May 2022 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3441427 1035977 digits Dec 2022 Charles Jackson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4193
max n: 2.372.216
n = 1 4 digits
n = 5 6 digits
n = 9 7 digits
n = 45 18 digits
n = 137 45 digits
n = 717 220 digits
n = 793 243 digits
n = 1205 367 digits
n = 1221 372 digits
n = 1681 510 digits
n = 3677 1111 digits 1993 Jeffrey Young
n = 5213 1573 digits
n = 5401 1630 digits
n = 6429 1939 digits
n = 9105 2745 digits
n = 10625 3203 digits
n = 24985 7525 digits
n = 244401 73576 digits
n = 346205 104222 digits Apr 2012 Bruce Dodson; PPSE; PrimeGrid
n = 576965 173688 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1201461 361680 digits Dec 2013 David Walling; PSieve; srsieve; PrimeGrid; LLR
n = 1342825 404235 digits Jun 2015 Jaakko Ollila; PSieve; srsieve; PrimeGrid; LLR
n = 1402669 422250 digits Apr 2016 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1917905 577351 digits Feb 2024 Bob Calvin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4195
max n: 2.372.273
n = 4 5 digits
n = 8 7 digits
n = 12 8 digits
n = 20 10 digits
n = 28 13 digits
n = 32 14 digits
n = 40 16 digits
n = 66 24 digits
n = 68 25 digits
n = 84 29 digits
n = 138 46 digits
n = 164 53 digits
n = 180 58 digits
n = 252 80 digits
n = 264 84 digits
n = 300 94 digits
n = 308 97 digits
n = 368 115 digits
n = 396 123 digits
n = 426 132 digits
n = 744 228 digits
n = 928 283 digits
n = 1308 398 digits
n = 1324 403 digits
n = 1668 506 digits
n = 7492 2259 digits May 1996 Patrick Demichel
n = 8714 2627 digits
n = 22488 6774 digits
n = 31754 9563 digits
n = 35252 10616 digits
n = 41888 12614 digits
n = 62904 18940 digits
n = 67370 20285 digits
n = 78740 23707 digits
n = 83072 25011 digits
n = 169362 50987 digits
n = 633008 190559 digits Feb 2011 Sylvain Grandbois; PSieve; srsieve; PrimeGrid; LLR
n = 641188 193021 digits Feb 2011 John R. Bailey; PSieve; srsieve; PrimeGrid; LLR
n = 811772 244372 digits Mar 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 955048 287502 digits Jul 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1447200 435655 digits Apr 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1504340 452856 digits Oct 2018 Arvis Lacis; PSieve; srsieve; PrimeGrid; LLR
n = 1650704 496916 digits Dec 2021 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3470952 1044865 digits May 2023 Wes Hewitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4197
max n: 2.372.207
n = 3 5 digits
n = 4 5 digits
n = 8 7 digits
n = 27 12 digits
n = 68 25 digits
n = 80 28 digits
n = 132 44 digits
n = 180 58 digits
n = 574 177 digits
n = 612 188 digits
n = 643 198 digits
n = 1152 351 digits
n = 1204 367 digits
n = 2022 613 digits
n = 2514 761 digits
n = 3374 1020 digits 1993 Jeffrey Young
n = 7424 2239 digits May 1996 Patrick Demichel
n = 10284 3100 digits
n = 10472 3157 digits
n = 16802 5062 digits
n = 29284 8819 digits
n = 41787 12583 digits
n = 51150 15402 digits Feb 1999 Tadashi Taura; Proth
n = 63060 18987 digits
n = 81912 24662 digits
n = 97980 29499 digits
n = 106027 31921 digits
n = 118062 35544 digits
n = 144499 43503 digits
n = 311794 93863 digits Nov 2006 John Metcalf; NewPGen; LLR
n = 349634 105254 digits Dec 2006 James Boerner; PPSE; PrimeGrid
n = 690228 207783 digits Sep 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 833100 250792 digits Apr 2012 Bouchard Sylvain; PSieve; srsieve; PrimeGrid; LLR
n = 1005618 302725 digits Oct 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 4199
max n: 2.373.343
n = 5 6 digits
n = 11 7 digits
n = 17 9 digits
n = 19 10 digits
n = 23 11 digits
n = 29 13 digits
n = 35 15 digits
n = 43 17 digits
n = 53 20 digits
n = 79 28 digits
n = 121 41 digits
n = 151 50 digits
n = 167 54 digits
n = 313 98 digits
n = 625 192 digits
n = 1027 313 digits
n = 1085 331 digits
n = 3085 933 digits
n = 3779 1142 digits 1993 Jeffrey Young
n = 4007 1210 digits 1993 Jeffrey Young
n = 4703 1420 digits 1993 Jeffrey Young
n = 6967 2101 digits Mar 1996 Patrick Demichel
n = 14669 4420 digits
n = 25783 7766 digits
n = 27565 8302 digits
n = 28471 8575 digits
n = 28669 8634 digits
n = 32341 9740 digits
n = 35983 10836 digits
n = 36673 11044 digits
n = 47135 14193 digits
n = 47635 14344 digits
n = 61277 18450 digits
n = 140525 42306 digits
n = 228139 68681 digits
n = 386777 116436 digits Sep 2006 John Metcalf; NewPGen; LLR
n = 524719 157960 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 636493 191608 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 751099 226107 digits Feb 2012 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
n = 872233 262572 digits Jun 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1421561 427937 digits Sep 2016 Mathieu Gaillard; PSieve; srsieve; PrimeGrid; LLR
n = 1858585 559494 digits Feb 2024 Louis Meuler; PPSE; PrimeGrid
n = 2110703 635389 digits Jan 2025 Jan Kožíšek; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2202401 662993 digits Feb 2025 Phill Mayer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3376903 1016553 digits Aug 2021 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4201
max n: 2.373.335
n = 4 5 digits
n = 64 23 digits
n = 88 31 digits
n = 156 51 digits
n = 208 67 digits
n = 248 79 digits
n = 616 190 digits
n = 2152 652 digits
n = 2404 728 digits
n = 6104 1842 digits
n = 6768 2041 digits Mar 1996 Patrick Demichel
n = 14944 4503 digits
n = 23864 7188 digits
n = 24508 7382 digits
n = 40348 12150 digits
n = 93876 28264 digits
n = 103668 31211 digits
n = 130428 39267 digits
n = 484032 145712 digits Jan 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 718692 216352 digits Nov 2011 Michael R. McPherson; PSieve; srsieve; PrimeGrid; LLR
n = 1413416 425485 digits Jul 2016 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1710252 514841 digits Sep 2022 Ryan Propper; PPSE; PrimeGrid
k: 4203
max n: 2.372.716
n = 6 6 digits
n = 14 8 digits
n = 21 10 digits
n = 29 13 digits
n = 32 14 digits
n = 38 16 digits
n = 60 22 digits
n = 92 32 digits
n = 141 47 digits
n = 192 62 digits
n = 197 63 digits
n = 206 66 digits
n = 440 137 digits
n = 446 138 digits
n = 540 167 digits
n = 620 191 digits
n = 734 225 digits
n = 797 244 digits
n = 812 249 digits
n = 941 287 digits
n = 1017 310 digits
n = 1200 365 digits
n = 3869 1169 digits 1993 Jeffrey Young
n = 6326 1908 digits
n = 7400 2232 digits
n = 11040 3327 digits
n = 15254 4596 digits
n = 15641 4713 digits
n = 16358 4928 digits
n = 16532 4981 digits
n = 25757 7758 digits
n = 31037 9347 digits
n = 51429 15486 digits
n = 52478 15802 digits
n = 57096 17192 digits
n = 58161 17512 digits
n = 59081 17789 digits
n = 66854 20129 digits
n = 88281 26579 digits
n = 152972 46053 digits
n = 175077 52708 digits
n = 175461 52823 digits
n = 183369 55204 digits
n = 290469 87444 digits
n = 519278 156322 digits Jun 2010 Bryan Ward; PSieve; srsieve; PrimeGrid; LLR
n = 999501 300884 digits Sep 2012 Keith Elliott; PSieve; srsieve; PrimeGrid; LLR
n = 1291584 388810 digits Sep 2014 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1743822 524947 digits May 2023 Michael Kwok; PPSE; PrimeGrid
n = 2022728 608906 digits Dec 2024 Jonathan Gehrke; PPSE; PrimeGrid
k: 4205
max n: 2.373.459
n = 3 5 digits
n = 45 18 digits
n = 55 21 digits
n = 63 23 digits
n = 115 39 digits
n = 331 104 digits
n = 1123 342 digits
n = 2311 700 digits
n = 3285 993 digits
n = 3783 1143 digits 1993 Jeffrey Young
n = 4863 1468 digits 1993 Jeffrey Young
n = 4965 1499 digits 1993 Jeffrey Young
n = 6643 2004 digits Mar 1996 Patrick Demichel
n = 7359 2219 digits May 1996 Patrick Demichel
n = 29289 8821 digits
n = 37159 11190 digits
n = 40905 12318 digits
n = 96993 29202 digits
n = 100473 30250 digits
n = 110131 33157 digits
n = 117873 35487 digits
n = 165045 49688 digits
n = 174501 52534 digits
n = 256713 77282 digits
n = 1260223 379369 digits Apr 2014 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 4207
max n: 2.372.705
n = 2 5 digits
n = 12 8 digits
n = 20 10 digits
n = 22 11 digits
n = 28 13 digits
n = 34 14 digits
n = 38 16 digits
n = 40 16 digits
n = 46 18 digits
n = 64 23 digits
n = 100 34 digits
n = 118 40 digits
n = 134 44 digits
n = 144 47 digits
n = 166 54 digits
n = 288 91 digits
n = 380 119 digits
n = 518 160 digits
n = 1126 343 digits
n = 1918 581 digits
n = 1988 603 digits
n = 2086 632 digits
n = 2280 690 digits
n = 2858 864 digits
n = 3334 1008 digits 1993 Jeffrey Young
n = 4392 1326 digits 1993 Jeffrey Young
n = 4898 1479 digits 1993 Jeffrey Young
n = 6228 1879 digits
n = 7982 2407 digits
n = 12218 3682 digits
n = 16628 5010 digits
n = 21744 6550 digits
n = 23522 7085 digits
n = 28190 8490 digits
n = 31804 9578 digits
n = 56140 16904 digits
n = 68886 20741 digits
n = 73606 22162 digits
n = 101398 30528 digits
n = 122454 36866 digits
n = 181848 54746 digits
n = 187510 56450 digits
n = 191272 57583 digits
n = 282550 85060 digits
n = 393380 118423 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 397764 119743 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 878248 264383 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1777022 534941 digits Nov 2023 Yegor Ryabchikov; PPSE; PrimeGrid
n = 1840158 553947 digits Jan 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 1870606 563113 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1929778 580925 digits Mar 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2225138 669837 digits Feb 2025 Michael Goetz; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2256554 679295 digits Mar 2025 Valentin Noxe; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4209
max n: 2.372.712
n = 1 4 digits
n = 6 6 digits
n = 9 7 digits
n = 34 14 digits
n = 41 16 digits
n = 43 17 digits
n = 47 18 digits
n = 53 20 digits
n = 94 32 digits
n = 101 35 digits
n = 115 39 digits
n = 121 41 digits
n = 141 47 digits
n = 194 63 digits
n = 221 71 digits
n = 294 93 digits
n = 445 138 digits
n = 582 179 digits
n = 829 254 digits
n = 875 268 digits
n = 914 279 digits
n = 1001 305 digits
n = 1093 333 digits
n = 1170 356 digits
n = 1479 449 digits
n = 2135 647 digits
n = 2454 743 digits
n = 2707 819 digits
n = 3010 910 digits
n = 3029 916 digits
n = 3239 979 digits
n = 4029 1217 digits 1993 Jeffrey Young
n = 4069 1229 digits 1993 Jeffrey Young
n = 4190 1265 digits 1993 Jeffrey Young
n = 4375 1321 digits 1993 Jeffrey Young
n = 5685 1715 digits
n = 5783 1745 digits
n = 6205 1872 digits
n = 6451 1946 digits
n = 8417 2538 digits
n = 13882 4183 digits
n = 17414 5246 digits
n = 18435 5554 digits
n = 19482 5869 digits
n = 27430 8261 digits
n = 35482 10685 digits
n = 47222 14219 digits
n = 53607 16141 digits
n = 68967 20765 digits
n = 71797 21617 digits
n = 75689 22789 digits
n = 104571 31483 digits
n = 117257 35302 digits
n = 135806 40886 digits
n = 165446 49808 digits
n = 169029 50887 digits
n = 172210 51844 digits
n = 177197 53346 digits
n = 198346 59712 digits
n = 289129 87041 digits
n = 290294 87391 digits
n = 314197 94587 digits
n = 318639 95924 digits
n = 329715 99258 digits
n = 470363 141597 digits Oct 2009 Oleg Garbarenko; srsieve; PrimeGrid; LLR
n = 670755 201921 digits Jun 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 1058143 318537 digits Mar 2013 Federico Fernandez; PSieve; srsieve; PrimeGrid; LLR
n = 1189039 357941 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1378299 414913 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1447839 435847 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1500869 451811 digits Sep 2018 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 1649909 496676 digits Dec 2021 Pete Allivato; PSieve; srsieve; PrimeGrid; LLR
n = 1765637 531514 digits Oct 2023 Jaroslav Sekanina; PPSE; PrimeGrid
n = 1782365 536549 digits Dec 2023 Michael Millerick; PPSE; PrimeGrid
n = 2254493 678674 digits Mar 2025 Mark Ives; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2345389 706037 digits Mar 2026 PPSE; PrimeGrid
k: 4211
max n: 2.372.580
n = 1 4 digits
n = 5 6 digits
n = 7 6 digits
n = 11 7 digits
n = 13 8 digits
n = 15 9 digits
n = 31 13 digits
n = 33 14 digits
n = 51 19 digits
n = 73 26 digits
n = 141 47 digits
n = 145 48 digits
n = 263 83 digits
n = 311 98 digits
n = 317 100 digits
n = 367 115 digits
n = 393 122 digits
n = 541 167 digits
n = 1011 308 digits
n = 1295 394 digits
n = 1621 492 digits
n = 1733 526 digits
n = 1745 529 digits
n = 4657 1406 digits 1993 Jeffrey Young
n = 4733 1429 digits 1993 Jeffrey Young
n = 4753 1435 digits 1993 Jeffrey Young
n = 5053 1525 digits
n = 5375 1622 digits
n = 5441 1642 digits
n = 6841 2063 digits Mar 1996 Patrick Demichel
n = 7365 2221 digits May 1996 Patrick Demichel
n = 8655 2610 digits
n = 8717 2628 digits
n = 9091 2741 digits
n = 9467 2854 digits
n = 11927 3595 digits
n = 17527 5280 digits
n = 20413 6149 digits
n = 27857 8390 digits
n = 29801 8975 digits
n = 31765 9566 digits
n = 33577 10112 digits
n = 35393 10658 digits
n = 56181 16916 digits
n = 61761 18596 digits
n = 69913 21050 digits
n = 136165 40994 digits
n = 151787 45697 digits
n = 186205 56057 digits
n = 255393 76885 digits
n = 412817 124274 digits Sep 2012 Adrian Schori; PPSE; PrimeGrid
n = 783421 235837 digits Mar 2012 Valter Cavecchia; PSieve; srsieve; PrimeGrid; LLR
n = 981057 295332 digits Sep 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1126273 339046 digits Aug 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1515903 456336 digits Feb 2019 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 1575491 474274 digits Mar 2020 Dao Heng Liu; PSieve; srsieve; PrimeGrid; LLR
n = 1579943 475614 digits May 2020 Lee Stephens; PSieve; srsieve; PrimeGrid; LLR
n = 2161935 650811 digits Feb 2025 Greg McDevitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4213
max n: 2.373.368
n = 4 5 digits
n = 22 11 digits
n = 106 36 digits
n = 116 39 digits
n = 176 57 digits
n = 248 79 digits
n = 1574 478 digits
n = 1922 583 digits
n = 1930 585 digits
n = 2264 686 digits
n = 2690 814 digits
n = 2834 857 digits
n = 3146 951 digits
n = 3308 1000 digits 1993 Jeffrey Young
n = 5158 1557 digits
n = 13262 3996 digits
n = 26302 7922 digits
n = 26386 7947 digits
n = 27346 8236 digits
n = 65264 19651 digits
n = 150494 45307 digits
n = 352204 106028 digits May 2012 PPSE; PrimeGrid
n = 367784 110718 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 379798 114335 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 804374 242145 digits Mar 2012 Marc Koschewski; PSieve; srsieve; PrimeGrid; LLR
n = 1267666 381610 digits May 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1433786 431617 digits Jan 2017 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
k: 4215
max n: 2.372.987
n = 1 4 digits
n = 3 5 digits
n = 6 6 digits
n = 9 7 digits
n = 12 8 digits
n = 13 8 digits
n = 28 13 digits
n = 43 17 digits
n = 51 19 digits
n = 52 20 digits
n = 58 22 digits
n = 106 36 digits
n = 213 68 digits
n = 547 169 digits
n = 1036 316 digits
n = 1087 331 digits
n = 1318 401 digits
n = 1326 403 digits
n = 1452 441 digits
n = 3021 914 digits
n = 3321 1004 digits 1993 Jeffrey Young
n = 3607 1090 digits 1993 Jeffrey Young
n = 3949 1193 digits 1993 Jeffrey Young
n = 4161 1257 digits 1993 Jeffrey Young
n = 4269 1289 digits 1993 Jeffrey Young
n = 5023 1516 digits
n = 6533 1971 digits
n = 6813 2055 digits Mar 1996 Patrick Demichel
n = 7236 2182 digits May 1996 Patrick Demichel
n = 7302 2202 digits May 1996 Patrick Demichel
n = 8461 2551 digits
n = 10869 3276 digits
n = 11227 3384 digits May 1996 Patrick Demichel
n = 12996 3916 digits
n = 13159 3965 digits
n = 13161 3966 digits
n = 15231 4589 digits
n = 16356 4928 digits
n = 16532 4981 digits
n = 24599 7409 digits
n = 27183 8187 digits
n = 29429 8863 digits
n = 45889 13818 digits
n = 78702 23696 digits
n = 85318 25687 digits
n = 93346 28104 digits
n = 96516 29058 digits
n = 112302 33810 digits
n = 226839 68289 digits
n = 275206 82849 digits
n = 293262 88285 digits
n = 343951 103544 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 345588 104036 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 525951 158331 digits Jul 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 649762 195602 digits Feb 2011 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 722118 217383 digits Nov 2011 Jörg Meili; PSieve; srsieve; PrimeGrid; LLR
n = 888967 267610 digits May 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 1267033 381419 digits May 2014 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1273246 383289 digits May 2014 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1335969 402171 digits Apr 2015 Travis Parker; PSieve; srsieve; PrimeGrid; LLR
n = 2122556 638957 digits Jan 2025 Robert Coplin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4217
max n: 2.373.010
n = 15 9 digits
n = 47 18 digits
n = 95 33 digits
n = 219 70 digits
n = 335 105 digits
n = 767 235 digits
n = 1067 325 digits
n = 9935 2995 digits
n = 11867 3576 digits
n = 104231 31381 digits
n = 255051 76782 digits
n = 346179 104214 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 501099 150850 digits May 2009 Steven Harvey; srsieve; PrimeGrid; LLR
n = 996759 300058 digits Sep 2012 Roman Krawiec; PSieve; srsieve; PrimeGrid; LLR
n = 1287911 387704 digits Aug 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 4219
max n: 2.372.889
n = 10 7 digits
n = 34 14 digits
n = 42 17 digits
n = 102 35 digits
n = 154 50 digits
n = 3190 964 digits
n = 16354 4927 digits
n = 23854 7185 digits
n = 63510 19123 digits
n = 2162982 651127 digits Feb 2025 Stephen P. Norton; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4221
max n: 2.372.750
n = 1 4 digits
n = 3 5 digits
n = 4 5 digits
n = 11 7 digits
n = 13 8 digits
n = 17 9 digits
n = 25 12 digits
n = 27 12 digits
n = 29 13 digits
n = 35 15 digits
n = 37 15 digits
n = 40 16 digits
n = 48 19 digits
n = 55 21 digits
n = 63 23 digits
n = 88 31 digits
n = 96 33 digits
n = 113 38 digits
n = 149 49 digits
n = 157 51 digits
n = 167 54 digits
n = 168 55 digits
n = 173 56 digits
n = 213 68 digits
n = 381 119 digits
n = 441 137 digits
n = 505 156 digits
n = 511 158 digits
n = 543 168 digits
n = 549 169 digits
n = 657 202 digits
n = 689 212 digits
n = 861 263 digits
n = 903 276 digits
n = 1041 317 digits
n = 1297 395 digits
n = 1368 416 digits
n = 1660 504 digits
n = 2181 661 digits
n = 2731 826 digits
n = 2737 828 digits
n = 2969 898 digits
n = 3185 963 digits
n = 3456 1044 digits 1993 Jeffrey Young
n = 3763 1137 digits 1993 Jeffrey Young
n = 4187 1265 digits 1993 Jeffrey Young
n = 6301 1901 digits
n = 6643 2004 digits Mar 1996 Patrick Demichel
n = 6720 2027 digits Mar 1996 Patrick Demichel
n = 8964 2703 digits
n = 9269 2794 digits
n = 9823 2961 digits
n = 11597 3495 digits
n = 13580 4092 digits Feb 1998 Baptiste Heyman; Proth
n = 14404 4340 digits
n = 16616 5006 digits
n = 18731 5643 digits
n = 19348 5828 digits
n = 21360 6434 digits
n = 27728 8351 digits
n = 31031 9345 digits
n = 32085 9663 digits
n = 36093 10869 digits
n = 43388 13065 digits
n = 53948 16244 digits
n = 65140 19613 digits
n = 66561 20041 digits
n = 80736 24308 digits
n = 90155 27143 digits
n = 92845 27953 digits
n = 165116 49709 digits
n = 174216 52448 digits
n = 175609 52868 digits
n = 176103 53016 digits
n = 202103 60843 digits
n = 212823 64070 digits
n = 222660 67031 digits
n = 287340 86502 digits
n = 351963 105956 digits May 2012 PPSE; PrimeGrid
n = 407148 122568 digits Aug 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 438949 132141 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 485576 146177 digits Oct 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 486036 146316 digits Jan 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 537107 161689 digits Jul 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 549548 165435 digits Sep 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 587657 176907 digits Dec 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 646143 194513 digits Feb 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 680708 204918 digits Aug 2011 Samy Bourghol; PSieve; srsieve; PrimeGrid; LLR
n = 900927 271210 digits Jun 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 960036 289004 digits Aug 2012 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 1212344 364956 digits Dec 2013 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1852715 557727 digits Jan 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1897128 571097 digits Feb 2024 Mickaël Carlier; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2096751 631189 digits Jan 2025 Arno Lehmann; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4223
max n: 2.372.832
n = 1 4 digits
n = 9 7 digits
n = 21 10 digits
n = 45 18 digits
n = 73 26 digits
n = 153 50 digits
n = 253 80 digits
n = 269 85 digits
n = 309 97 digits
n = 377 118 digits
n = 789 242 digits
n = 933 285 digits
n = 1157 352 digits
n = 2181 661 digits
n = 2301 697 digits
n = 4257 1286 digits 1993 Jeffrey Young
n = 4621 1395 digits 1993 Jeffrey Young
n = 4765 1439 digits 1993 Jeffrey Young
n = 4941 1492 digits 1993 Jeffrey Young
n = 5225 1577 digits
n = 9553 2880 digits
n = 16977 5115 digits
n = 18525 5581 digits
n = 20841 6278 digits
n = 25429 7659 digits
n = 27525 8290 digits
n = 33297 10028 digits
n = 42537 12809 digits
n = 50669 15257 digits
n = 154021 46369 digits
n = 1039021 312781 digits Jan 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1152657 346988 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1230633 370462 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1621553 488140 digits Feb 2021 Paul Wendelboe; PSieve; srsieve; PrimeGrid; LLR
n = 1885585 567622 digits Feb 2024 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4225
max n: 2.371.727
n = 2 5 digits
n = 4 5 digits
n = 10 7 digits
n = 16 9 digits
n = 20 10 digits
n = 28 13 digits
n = 38 16 digits
n = 84 29 digits
n = 168 55 digits
n = 236 75 digits
n = 244 78 digits
n = 434 135 digits
n = 460 143 digits
n = 666 205 digits
n = 800 245 digits
n = 930 284 digits
n = 964 294 digits
n = 992 303 digits
n = 1072 327 digits
n = 2084 631 digits
n = 4152 1254 digits 1993 Jeffrey Young
n = 4396 1327 digits 1993 Jeffrey Young
n = 7096 2140 digits May 1996 Patrick Demichel
n = 7306 2203 digits May 1996 Patrick Demichel
n = 10968 3306 digits
n = 13202 3978 digits
n = 13778 4152 digits
n = 14424 4346 digits
n = 16916 5096 digits
n = 18682 5628 digits Oct 1996 Patrick Demichel
n = 23046 6942 digits
n = 32410 9761 digits
n = 48258 14531 digits
n = 144620 43539 digits
n = 159820 48115 digits
n = 163666 49273 digits
n = 304634 91708 digits
n = 631898 190224 digits Feb 2011 Kenta Miyakoshi; PSieve; srsieve; PrimeGrid; LLR
n = 816832 245895 digits Apr 2012 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 903396 271953 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 916982 276043 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 928374 279473 digits Jul 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1152520 346947 digits Sep 2013 Alexis Kravtchenko; PSieve; srsieve; PrimeGrid; LLR
n = 1299536 391203 digits Oct 2014 Sebastian Raue; PSieve; srsieve; PrimeGrid; LLR
n = 1530568 460751 digits Feb 2019 Edward McKernan; PSieve; srsieve; PrimeGrid; LLR
n = 2286080 688183 digits Jun 2025 Chase Tarson; PPSE; PrimeGrid
k: 4227
max n: 2.372.781
n = 11 7 digits
n = 14 8 digits
n = 26 12 digits
n = 35 15 digits
n = 64 23 digits
n = 71 25 digits
n = 134 44 digits
n = 158 52 digits
n = 196 63 digits
n = 200 64 digits
n = 206 66 digits
n = 223 71 digits
n = 302 95 digits
n = 416 129 digits
n = 536 165 digits
n = 611 188 digits
n = 1015 310 digits
n = 1714 520 digits
n = 2351 712 digits
n = 3919 1184 digits 1993 Jeffrey Young
n = 5338 1611 digits
n = 5692 1718 digits
n = 9106 2745 digits
n = 13570 4089 digits
n = 28486 8579 digits
n = 31706 9549 digits
n = 37798 11382 digits
n = 40780 12280 digits
n = 43214 13013 digits
n = 95204 28663 digits
n = 98762 29734 digits
n = 117292 35313 digits
n = 157703 47477 digits
n = 349184 105119 digits Apr 2012 Honza Cholt; PPSE; PrimeGrid
n = 495992 149313 digits Apr 2010 George Ajayi; PSieve; srsieve; PrimeGrid; LLR
n = 520370 156651 digits Jul 2010 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 555404 167197 digits Oct 2010 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 566572 170559 digits Oct 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 585086 176133 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 646040 194482 digits Feb 2011 Michael Herder; PSieve; srsieve; PrimeGrid; LLR
n = 687682 207017 digits Aug 2011 Gary Van Meter; PSieve; srsieve; PrimeGrid; LLR
n = 827495 249105 digits Apr 2012 Randy Eldredge; PSieve; srsieve; PrimeGrid; LLR
n = 989723 297940 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1125184 338718 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1191860 358790 digits Oct 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1379006 415126 digits Feb 2016 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 4229
max n: 2.372.778
n = 5 6 digits
n = 9 7 digits
n = 13 8 digits
n = 29 13 digits
n = 35 15 digits
n = 43 17 digits
n = 55 21 digits
n = 85 30 digits
n = 127 42 digits
n = 217 69 digits
n = 337 106 digits
n = 365 114 digits
n = 513 159 digits
n = 569 175 digits
n = 639 196 digits
n = 783 240 digits
n = 1333 405 digits
n = 4867 1469 digits 1993 Jeffrey Young
n = 5539 1672 digits
n = 5709 1723 digits
n = 8965 2703 digits
n = 9883 2979 digits
n = 15725 4738 digits
n = 18343 5526 digits
n = 19245 5797 digits
n = 22733 6847 digits
n = 31619 9522 digits
n = 38585 11619 digits
n = 49089 14781 digits
n = 52183 15713 digits
n = 128845 38790 digits
n = 172853 52038 digits
n = 178525 53746 digits
n = 204527 61573 digits
n = 279387 84108 digits
n = 633025 190564 digits Feb 2011 Sylvain Grandbois; PSieve; srsieve; PrimeGrid; LLR
n = 674343 203002 digits Jul 2011 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 994055 299244 digits Sep 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1134667 341573 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1478973 445219 digits Feb 2018 Pavel Adamec; PSieve; srsieve; PrimeGrid; LLR
n = 1994619 600444 digits Sep 2024 Jan Kožíšek; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2059237 619896 digits Jan 2025 Jeffrey Trexler; PPSE; PrimeGrid
k: 4231
max n: 2.372.952
n = 72 26 digits
n = 380 119 digits
n = 552 170 digits
n = 8592 2591 digits May 1996 Patrick Demichel
n = 62820 18915 digits
n = 120264 36207 digits
n = 234852 70702 digits
n = 334784 100784 digits Apr 2012 Ulrich Fries; PPSE; PrimeGrid
n = 665120 200225 digits Apr 2011 Marcin Gorecki; PSieve; srsieve; PrimeGrid; LLR
k: 4233
max n: 2.372.712
n = 1 4 digits
n = 6 6 digits
n = 10 7 digits
n = 13 8 digits
n = 25 12 digits
n = 46 18 digits
n = 96 33 digits
n = 138 46 digits
n = 244 78 digits
n = 357 112 digits
n = 577 178 digits
n = 996 304 digits
n = 1261 384 digits
n = 1732 526 digits
n = 2517 762 digits
n = 4260 1287 digits 1993 Jeffrey Young
n = 4936 1490 digits 1993 Jeffrey Young
n = 5101 1540 digits
n = 5565 1679 digits
n = 7333 2212 digits May 1996 Patrick Demichel
n = 16561 4989 digits
n = 52098 15687 digits
n = 55758 16789 digits
n = 144493 43501 digits
n = 173524 52240 digits
n = 182836 55043 digits
n = 432690 130257 digits Dec 2012 Stephen R Cilliers; PPSE; PrimeGrid
n = 570972 171884 digits Nov 2010 Falk Krause; PSieve; srsieve; PrimeGrid; LLR
n = 595165 179167 digits Dec 2010 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 1161385 349616 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1317180 396515 digits Feb 2015 Hirofumi Tamagawa; PSieve; srsieve; PrimeGrid; LLR
n = 1347810 405735 digits Jul 2015 Michael Schmeisser; PSieve; srsieve; PrimeGrid; LLR
k: 4235
max n: 2.372.836
n = 7 6 digits
n = 21 10 digits
n = 55 21 digits
n = 69 25 digits
n = 81 29 digits
n = 87 30 digits
n = 789 242 digits
n = 1393 423 digits
n = 1557 473 digits
n = 2839 859 digits
n = 3141 950 digits
n = 5997 1809 digits
n = 9905 2986 digits
n = 20417 6150 digits
n = 30013 9039 digits May 1998 Kenneth J. Brazier; Proth
n = 46213 13916 digits
n = 66813 20117 digits
n = 69463 20915 digits
n = 134353 40448 digits
n = 357039 107484 digits May 2012 James Boerner; PPSE; PrimeGrid
n = 513853 154689 digits Jun 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1001129 301374 digits Sep 2012 Ryo Washio; PSieve; srsieve; PrimeGrid; LLR
n = 1451167 436849 digits Jun 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1841175 554253 digits Jan 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 3453573 1039633 digits Feb 2023 Vladislav Ketamino; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4237
max n: 2.372.861
n = 6 6 digits
n = 8 7 digits
n = 20 10 digits
n = 28 13 digits
n = 68 25 digits
n = 118 40 digits
n = 208 67 digits
n = 328 103 digits
n = 430 134 digits
n = 446 138 digits
n = 502 155 digits
n = 2086 632 digits
n = 3510 1061 digits 1993 Jeffrey Young
n = 9198 2773 digits
n = 21232 6396 digits
n = 25966 7821 digits
n = 33510 10092 digits
n = 53118 15994 digits
n = 74836 22532 digits
n = 86742 26116 digits
n = 231296 69631 digits
n = 235028 70755 digits
n = 389392 117223 digits Jul 2012 Dirk Dhuyvetters; PPSE; PrimeGrid
n = 491888 148077 digits Mar 2010 Brian Carpenter; PSieve; srsieve; PrimeGrid; LLR
n = 586886 176674 digits Dec 2010 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 666718 200706 digits Apr 2011 Kenneth J. Brazier; PSieve; srsieve; PrimeGrid; LLR
n = 675598 203379 digits Aug 2011 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 959360 288800 digits Aug 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1570088 472648 digits Feb 2020 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 2227900 670669 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2359950 710420 digits Apr 2026 Ryan Propper; PPSE; PrimeGrid
k: 4239
max n: 2.372.044
n = 5 6 digits
n = 9 7 digits
n = 10 7 digits
n = 11 7 digits
n = 21 10 digits
n = 38 16 digits
n = 39 16 digits
n = 41 16 digits
n = 71 26 digits
n = 91 32 digits
n = 118 40 digits
n = 151 50 digits
n = 391 122 digits
n = 478 148 digits
n = 515 159 digits
n = 571 176 digits
n = 699 215 digits
n = 1051 321 digits
n = 1455 442 digits
n = 1491 453 digits
n = 1639 498 digits
n = 1655 502 digits
n = 1705 517 digits
n = 2415 731 digits
n = 2871 868 digits
n = 3459 1045 digits 1993 Jeffrey Young
n = 3815 1153 digits 1993 Jeffrey Young
n = 3855 1165 digits 1993 Jeffrey Young
n = 4895 1478 digits 1993 Jeffrey Young
n = 7235 2182 digits May 1996 Patrick Demichel
n = 11001 3316 digits
n = 20449 6160 digits
n = 30419 9161 digits
n = 43065 12968 digits
n = 44819 13496 digits
n = 46114 13886 digits
n = 54099 16290 digits
n = 57341 17265 digits
n = 73591 22157 digits
n = 74841 22534 digits
n = 79049 23800 digits
n = 82569 24860 digits
n = 98591 29683 digits
n = 112835 33971 digits
n = 129201 38898 digits
n = 158489 47714 digits
n = 265189 79834 digits
n = 324274 97620 digits
n = 414754 124858 digits Oct 2012 PPSE; PrimeGrid
n = 524145 157787 digits Jul 2010 Tony Gott; PSieve; srsieve; PrimeGrid; LLR
n = 597178 179773 digits Dec 2010 Michael D. Hittle; PSieve; srsieve; PrimeGrid; LLR
n = 599209 180384 digits Jan 2011 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 790749 238043 digits Mar 2012 Jonathan Balza; PSieve; srsieve; PrimeGrid; LLR
n = 866379 260810 digits May 2012 Ivan Bileichyk; PSieve; srsieve; PrimeGrid; LLR
n = 1163849 350358 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1168445 351741 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1270071 382334 digits May 2014 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1319275 397145 digits Feb 2015 Timothy Reichard; PSieve; srsieve; PrimeGrid; LLR
n = 1463019 440417 digits Dec 2017 Andrew M Farrow; PSieve; srsieve; PrimeGrid; LLR
n = 1505614 453239 digits Nov 2018 Brent Thorson; PSieve; srsieve; PrimeGrid; LLR
n = 2152109 647853 digits Feb 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4241
max n: 2.372.830
n = 11 7 digits
n = 55 21 digits
n = 59 22 digits
n = 179 58 digits
n = 197 63 digits
n = 253 80 digits
n = 293 92 digits
n = 391 122 digits
n = 407 127 digits
n = 899 275 digits
n = 1631 495 digits
n = 1727 524 digits
n = 3293 995 digits
n = 5459 1647 digits
n = 8203 2473 digits May 1996 Patrick Demichel
n = 13511 4071 digits
n = 13973 4210 digits
n = 18215 5487 digits
n = 23195 6987 digits
n = 34831 10489 digits
n = 35963 10830 digits
n = 69151 20821 digits
n = 190967 57491 digits
n = 252775 76097 digits
n = 295087 88834 digits
n = 381637 114888 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 561947 169167 digits Oct 2010 Heinz Ming; PSieve; srsieve; PrimeGrid; LLR
n = 1306507 393302 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 4243
max n: 2.372.805
n = 6 6 digits
n = 10 7 digits
n = 14 8 digits
n = 36 15 digits
n = 94 32 digits
n = 484 150 digits
n = 4556 1376 digits 1993 Jeffrey Young
n = 4816 1454 digits 1993 Jeffrey Young
n = 5164 1559 digits
n = 10194 3073 digits
n = 16774 5054 digits
n = 20374 6137 digits
n = 174066 52403 digits
n = 278054 83707 digits
n = 315136 94870 digits
n = 335110 100882 digits Apr 2012 Bill Sugino; PPSE; PrimeGrid
n = 345014 103864 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
k: 4245
max n: 2.372.236
n = 2 5 digits
n = 3 5 digits
n = 5 6 digits
n = 27 12 digits
n = 32 14 digits
n = 35 15 digits
n = 53 20 digits
n = 71 26 digits
n = 107 36 digits
n = 128 43 digits
n = 137 45 digits
n = 198 64 digits
n = 212 68 digits
n = 1095 334 digits
n = 1172 357 digits
n = 1358 413 digits
n = 2205 668 digits
n = 2466 746 digits
n = 2852 863 digits
n = 3155 954 digits
n = 3641 1100 digits 1993 Jeffrey Young
n = 4551 1374 digits 1993 Jeffrey Young
n = 5148 1554 digits
n = 5313 1604 digits
n = 11241 3388 digits May 1996 Patrick Demichel
n = 11262 3394 digits May 1996 Patrick Demichel
n = 11685 3522 digits
n = 13602 4099 digits
n = 14618 4405 digits
n = 30377 9149 digits
n = 31161 9385 digits
n = 45383 13666 digits
n = 46517 14007 digits
n = 73035 21990 digits
n = 84878 25555 digits
n = 98057 29522 digits
n = 136358 41052 digits
n = 137042 41258 digits
n = 233432 70274 digits
n = 275663 82987 digits
n = 297623 89598 digits
n = 314922 94805 digits
n = 400407 120539 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 454572 136844 digits May 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 483035 145412 digits Dec 2009 Werner Soika; PSieve; srsieve; PrimeGrid; LLR
n = 705266 212310 digits Sep 2011 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 813957 245030 digits Apr 2012 Fabrício Aguirre; PSieve; srsieve; PrimeGrid; LLR
n = 1145307 344776 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1150238 346260 digits Sep 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1574165 473875 digits Feb 2020 Michael Bowe; PSieve; srsieve; PrimeGrid; LLR
n = 2361983 711032 digits Apr 2026 Robert Coplin; PPSE; PrimeGrid
k: 4247
max n: 2.373.078
n = 7 6 digits
n = 291 92 digits
n = 1131 345 digits
n = 5371 1621 digits
n = 9519 2870 digits
n = 21267 6406 digits
n = 93199 28060 digits
n = 491503 147961 digits Mar 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1814079 546096 digits Jan 2024 Vaughan Davies; PPSE; PrimeGrid
k: 4249
max n: 2.372.841
n = 10 7 digits
n = 14 8 digits
n = 22 11 digits
n = 26 12 digits
n = 38 16 digits
n = 42 17 digits
n = 54 20 digits
n = 190 61 digits
n = 230 73 digits
n = 298 94 digits
n = 378 118 digits
n = 490 152 digits
n = 874 267 digits
n = 1070 326 digits
n = 1662 504 digits
n = 1750 531 digits
n = 3118 943 digits
n = 3662 1107 digits 1993 Jeffrey Young
n = 4550 1374 digits 1993 Jeffrey Young
n = 4734 1429 digits 1993 Jeffrey Young
n = 5962 1799 digits
n = 9670 2915 digits
n = 10054 3031 digits
n = 11922 3593 digits
n = 12554 3783 digits
n = 16202 4881 digits
n = 24570 7400 digits
n = 25398 7650 digits
n = 25414 7655 digits
n = 32850 9893 digits
n = 43498 13098 digits
n = 44102 13280 digits
n = 65618 19757 digits
n = 79346 23890 digits
n = 145618 43840 digits
n = 155426 46792 digits
n = 186742 56219 digits
n = 391862 117966 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 433150 130395 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 1191530 358690 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1221214 367626 digits Dec 2013 Michael C Leung; PSieve; srsieve; PrimeGrid; LLR
n = 1983006 596948 digits Jul 2024 Yegor Ryabchikov; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4251
max n: 2.372.607
n = 5 6 digits
n = 7 6 digits
n = 13 8 digits
n = 16 9 digits
n = 17 9 digits
n = 24 11 digits
n = 27 12 digits
n = 29 13 digits
n = 35 15 digits
n = 45 18 digits
n = 57 21 digits
n = 129 43 digits
n = 155 51 digits
n = 253 80 digits
n = 360 112 digits
n = 367 115 digits
n = 375 117 digits
n = 395 123 digits
n = 479 148 digits
n = 519 160 digits
n = 577 178 digits
n = 649 199 digits
n = 695 213 digits
n = 760 233 digits
n = 1207 367 digits
n = 1920 582 digits
n = 2117 641 digits
n = 2335 707 digits
n = 3849 1163 digits 1993 Jeffrey Young
n = 4152 1254 digits 1993 Jeffrey Young
n = 5713 1724 digits
n = 5725 1728 digits
n = 6720 2027 digits Mar 1996 Patrick Demichel
n = 6995 2110 digits Mar 1996 Patrick Demichel
n = 11424 3443 digits
n = 12456 3754 digits
n = 17728 5341 digits
n = 18033 5433 digits
n = 18175 5475 digits
n = 20527 6183 digits Oct 1996 Patrick Demichel
n = 25077 7553 digits
n = 27493 8280 digits
n = 29013 8738 digits
n = 36965 11132 digits
n = 37895 11412 digits
n = 41709 12560 digits
n = 51648 15552 digits
n = 66127 19910 digits
n = 97475 29347 digits
n = 117109 35257 digits
n = 140432 42278 digits
n = 152136 45802 digits
n = 295437 88940 digits
n = 298695 89920 digits
n = 345239 103931 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 364809 109823 digits May 2012 PPSE; PrimeGrid
n = 378419 113920 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 387355 116610 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 403635 121510 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 408456 122962 digits Aug 2012 Adrian Schori; PPSE; PrimeGrid
n = 557629 167867 digits Oct 2010 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 573707 172707 digits Nov 2010 Duane McElvain; PSieve; srsieve; PrimeGrid; LLR
n = 713385 214754 digits Nov 2011 Rick Reynolds; PSieve; srsieve; PrimeGrid; LLR
n = 733367 220770 digits Feb 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 827439 249088 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 910417 274067 digits Jun 2012 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
n = 986899 297090 digits Sep 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 990160 298072 digits Sep 2012 Gwendal Le Coadou; PSieve; srsieve; PrimeGrid; LLR
n = 1183517 356278 digits Oct 2013 Edward Branish; PSieve; srsieve; PrimeGrid; LLR
n = 1231307 370664 digits Jan 2014 Bartlett Henderson; PSieve; srsieve; PrimeGrid; LLR
n = 1296877 390403 digits Sep 2014 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1303423 392374 digits Feb 2015 Takashi Iwasaki; PSieve; srsieve; PrimeGrid; LLR
n = 2230357 671408 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4253
max n: 2.373.224
n = 9 7 digits
n = 45 18 digits
n = 213 68 digits
n = 333 104 digits
n = 489 151 digits
n = 609 187 digits
n = 757 232 digits
n = 949 290 digits
n = 1977 599 digits
n = 2445 740 digits
n = 2625 794 digits
n = 8757 2640 digits
n = 21477 6469 digits
n = 32265 9717 digits
n = 52125 15695 digits
n = 66249 19947 digits
n = 139713 42062 digits
k: 4255
max n: 2.372.347
n = 2 5 digits
n = 26 12 digits
n = 56 21 digits
n = 58 22 digits
n = 116 39 digits
n = 176 57 digits
n = 226 72 digits
n = 238 76 digits
n = 248 79 digits
n = 368 115 digits
n = 418 130 digits
n = 434 135 digits
n = 574 177 digits
n = 644 198 digits
n = 706 217 digits
n = 1046 319 digits
n = 2480 751 digits
n = 3622 1094 digits 1993 Jeffrey Young
n = 6286 1896 digits
n = 21574 6499 digits
n = 107942 32498 digits
n = 166694 50184 digits
n = 507758 152855 digits May 2010 Bjorn Lindberg; PSieve; srsieve; PrimeGrid; LLR
n = 514526 154892 digits Jun 2010 Danny T. Morris; PSieve; srsieve; PrimeGrid; LLR
n = 546934 164648 digits Sep 2010 Mike Nicodemus; PSieve; srsieve; PrimeGrid; LLR
n = 561118 168917 digits Oct 2010 Rob Sedgwick; PSieve; srsieve; PrimeGrid; LLR
n = 732206 220420 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 824210 248116 digits Apr 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1109738 334069 digits Jul 2013 Daniel Schemmel; PSieve; srsieve; PrimeGrid; LLR
n = 1171414 352635 digits Sep 2013 Jon Beard; PSieve; srsieve; PrimeGrid; LLR
n = 1392334 419138 digits Feb 2016 Yegor Ryabchikov; PSieve; srsieve; PrimeGrid; LLR
n = 1818166 547327 digits Jan 2024 Peter Hundhausen; PPSE; PrimeGrid
k: 4257
max n: 2.371.682
n = 2 5 digits
n = 3 5 digits
n = 4 5 digits
n = 6 6 digits
n = 7 6 digits
n = 8 7 digits
n = 10 7 digits
n = 15 9 digits
n = 26 12 digits
n = 32 14 digits
n = 38 16 digits
n = 40 16 digits
n = 52 20 digits
n = 59 22 digits
n = 62 23 digits
n = 84 29 digits
n = 95 33 digits
n = 100 34 digits
n = 107 36 digits
n = 138 46 digits
n = 196 63 digits
n = 211 68 digits
n = 220 70 digits
n = 252 80 digits
n = 298 94 digits
n = 340 106 digits
n = 344 108 digits
n = 346 108 digits
n = 372 116 digits
n = 398 124 digits
n = 479 148 digits
n = 514 159 digits
n = 520 161 digits
n = 528 163 digits
n = 612 188 digits
n = 628 193 digits
n = 667 205 digits
n = 699 215 digits
n = 888 271 digits
n = 1079 329 digits
n = 1168 356 digits
n = 1186 361 digits
n = 1435 436 digits
n = 1768 536 digits
n = 1980 600 digits
n = 2428 735 digits
n = 2675 809 digits
n = 2860 865 digits
n = 2908 880 digits
n = 3183 962 digits
n = 3296 996 digits
n = 4706 1421 digits 1993 Jeffrey Young
n = 4728 1427 digits 1993 Jeffrey Young
n = 5924 1787 digits
n = 6659 2009 digits Mar 1996 Patrick Demichel
n = 9416 2839 digits
n = 9518 2869 digits
n = 10776 3248 digits
n = 12786 3853 digits
n = 13746 4142 digits
n = 17123 5159 digits
n = 17398 5241 digits
n = 19747 5949 digits
n = 20628 6214 digits
n = 22684 6833 digits 1996 Patrick Demichel
n = 23244 7001 digits
n = 26316 7926 digits
n = 29452 8870 digits
n = 45364 13660 digits
n = 48046 14467 digits
n = 48954 14741 digits
n = 51715 15572 digits
n = 65398 19691 digits
n = 91282 27483 digits
n = 110634 33308 digits
n = 116382 35039 digits
n = 121215 36493 digits
n = 126103 37965 digits
n = 152967 46052 digits
n = 174438 52515 digits
n = 258734 77891 digits
n = 291248 87679 digits
n = 297443 89543 digits
n = 338416 101877 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 362412 109101 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 365328 109979 digits May 2012 PPSE; PrimeGrid
n = 461718 138995 digits Jul 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 471583 141965 digits Oct 2009 Wolfgang Schwieger; srsieve; PrimeGrid; LLR
n = 481292 144887 digits Dec 2009 Robert Scullin; PSieve; srsieve; PrimeGrid; LLR
n = 534138 160796 digits Jul 2010 Dieter Klisch; PSieve; srsieve; PrimeGrid; LLR
n = 616423 185566 digits Jan 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 646668 194671 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 779216 234572 digits Feb 2012 Rick Reynolds; PSieve; srsieve; PrimeGrid; LLR
n = 829144 249601 digits Apr 2012 Heinz Ming; PSieve; srsieve; PrimeGrid; LLR
n = 836223 251732 digits Apr 2012 Carlos Jesus; PSieve; srsieve; PrimeGrid; LLR
n = 968754 291628 digits Aug 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1013918 305224 digits Oct 2012 JensOla Ekström; PSieve; srsieve; PrimeGrid; LLR
n = 1025471 308702 digits Oct 2012 Gareth Meredith; PSieve; srsieve; PrimeGrid; LLR
n = 1118563 336725 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1164727 350622 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1226423 369194 digits Jan 2014 Chris S. Bullock; PSieve; srsieve; PrimeGrid; LLR
n = 1499158 451296 digits Aug 2018 Michele T. Mazzucato; PSieve; srsieve; PrimeGrid; LLR
n = 1509010 454261 digits Dec 2018 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 1795148 540398 digits Jan 2024 Dr. James Scott Brown; PPSE; PrimeGrid
n = 1816811 546919 digits Jan 2024 Michael Bowe; PPSE; PrimeGrid
n = 1957366 589230 digits Apr 2024 Jonathan Champ; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2141510 644663 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2364558 711807 digits May 2026 Andrew Clymans; PPSE; PrimeGrid
k: 4259
max n: 2.372.830
n = 17 9 digits
n = 161 53 digits
n = 287 91 digits
n = 371 116 digits
n = 431 134 digits
n = 527 163 digits
n = 545 168 digits
n = 1163 354 digits
n = 4881 1473 digits 1993 Jeffrey Young
n = 12407 3739 digits
n = 100161 30156 digits
n = 118499 35676 digits
n = 119063 35846 digits
n = 154569 46534 digits
n = 493025 148419 digits Mar 2010 Bjorn Lindberg; PSieve; srsieve; PrimeGrid; LLR
n = 755729 227501 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4261
max n: 2.373.179
n = 36 15 digits
n = 592 182 digits
n = 1072 327 digits
n = 1536 467 digits
n = 1852 562 digits
n = 3376 1020 digits 1993 Jeffrey Young
n = 3856 1165 digits 1993 Jeffrey Young
n = 5536 1671 digits
n = 11472 3458 digits
n = 26532 7991 digits
n = 30244 9108 digits
n = 123508 37184 digits
n = 350476 105508 digits Apr 2012 PPSE; PrimeGrid
n = 900544 271095 digits Jun 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1406536 423414 digits May 2016 Shaun Cox; PSieve; srsieve; PrimeGrid; LLR
k: 4263
max n: 2.372.588
n = 1 4 digits
n = 2 5 digits
n = 4 5 digits
n = 5 6 digits
n = 8 7 digits
n = 9 7 digits
n = 34 14 digits
n = 37 15 digits
n = 41 16 digits
n = 49 19 digits
n = 74 26 digits
n = 88 31 digits
n = 97 33 digits
n = 153 50 digits
n = 364 114 digits
n = 392 122 digits
n = 418 130 digits
n = 824 252 digits
n = 1034 315 digits
n = 1324 403 digits
n = 1565 475 digits
n = 2033 616 digits
n = 2229 675 digits
n = 2249 681 digits
n = 2349 711 digits
n = 3289 994 digits
n = 4937 1490 digits 1993 Jeffrey Young
n = 9858 2972 digits
n = 11781 3551 digits
n = 12401 3737 digits
n = 19938 6006 digits
n = 21817 6572 digits
n = 22712 6841 digits
n = 26581 8006 digits
n = 31489 9483 digits
n = 34525 10397 digits
n = 38864 11703 digits
n = 40929 12325 digits
n = 66650 20068 digits
n = 68141 20517 digits
n = 110442 33250 digits
n = 434261 130730 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 640034 192674 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 962618 289781 digits Aug 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1025289 308647 digits Oct 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1113329 335150 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1138361 342685 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1652553 497472 digits Jan 2022 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2171584 653716 digits Feb 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4265
max n: 2.373.218
n = 5 6 digits
n = 9 7 digits
n = 21 10 digits
n = 51 19 digits
n = 65 24 digits
n = 67 24 digits
n = 89 31 digits
n = 113 38 digits
n = 115 39 digits
n = 161 53 digits
n = 315 99 digits
n = 329 103 digits
n = 473 147 digits
n = 963 294 digits
n = 1073 327 digits
n = 1763 535 digits
n = 8451 2548 digits
n = 22585 6803 digits
n = 36171 10893 digits
n = 36437 10973 digits
n = 39947 12029 digits
n = 42001 12648 digits
n = 61541 18530 digits
n = 64661 19469 digits
n = 75219 22647 digits
n = 103721 31227 digits
n = 123321 37127 digits Apr 1999 Andy Penrose; Proth
n = 140547 42313 digits
n = 211697 63731 digits
n = 334897 100818 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 345417 103985 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 407547 122688 digits Aug 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 416643 125426 digits Oct 2012 James Boerner; PPSE; PrimeGrid
n = 463589 139558 digits Jul 2009 Sergejs Janulonoks; srsieve; PrimeGrid; LLR
n = 519371 156350 digits Jun 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1170953 352496 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1600283 481737 digits Sep 2020 Frank Wunderlich; PSieve; srsieve; PrimeGrid; LLR
k: 4267
max n: 2.372.751
n = 8 7 digits
n = 18 10 digits
n = 22 11 digits
n = 24 11 digits
n = 28 13 digits
n = 42 17 digits
n = 44 17 digits
n = 52 20 digits
n = 56 21 digits
n = 76 27 digits
n = 154 50 digits
n = 156 51 digits
n = 196 63 digits
n = 324 102 digits
n = 328 103 digits
n = 436 135 digits
n = 956 292 digits
n = 1032 315 digits
n = 1704 517 digits
n = 2226 674 digits
n = 3342 1010 digits 1993 Jeffrey Young
n = 4596 1388 digits 1993 Jeffrey Young
n = 7524 2269 digits May 1996 Patrick Demichel
n = 13372 4030 digits
n = 15258 4597 digits
n = 27236 8203 digits
n = 53908 16232 digits
n = 232722 70060 digits
n = 455082 136997 digits May 2009 Mark Codding; srsieve; PrimeGrid; LLR
n = 701052 211042 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1073122 323046 digits Apr 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1396832 420492 digits Mar 2016 Christoph Wolf; PSieve; srsieve; PrimeGrid; LLR
k: 4269
max n: 2.372.830
n = 1 4 digits
n = 2 5 digits
n = 10 7 digits
n = 26 12 digits
n = 34 14 digits
n = 46 18 digits
n = 53 20 digits
n = 62 23 digits
n = 71 26 digits
n = 113 38 digits
n = 137 45 digits
n = 197 63 digits
n = 269 85 digits
n = 313 98 digits
n = 442 137 digits
n = 502 155 digits
n = 817 250 digits
n = 1141 348 digits
n = 2177 659 digits
n = 2321 703 digits
n = 5282 1594 digits
n = 6577 1984 digits
n = 6799 2051 digits Mar 1996 Patrick Demichel
n = 7513 2266 digits May 1996 Patrick Demichel
n = 9833 2964 digits
n = 12869 3878 digits
n = 14399 4339 digits
n = 16898 5091 digits
n = 25007 7532 digits Dec 1998 Robert Prethaler; Proth
n = 30233 9105 digits
n = 30709 9248 digits
n = 31678 9540 digits
n = 37973 11435 digits
n = 44591 13427 digits
n = 63071 18990 digits
n = 82181 24743 digits
n = 91777 27632 digits
n = 116687 35130 digits
n = 129826 39086 digits
n = 361117 108711 digits Feb 2009 Ulrich Fries; srsieve; PrimeGrid; LLR
n = 469769 141419 digits Oct 2009 Adam Cisler; srsieve; PrimeGrid; LLR
n = 921038 277264 digits Jun 2012 Chen Hsun Chang; PSieve; srsieve; PrimeGrid; LLR
n = 1038847 312728 digits Jan 2013 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1095778 329866 digits May 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1751869 527369 digits Jun 2023 Yegor Ryabchikov; PPSE; PrimeGrid
n = 2068621 622721 digits Jan 2025 Ed Goforth; PPSE; PrimeGrid
k: 4271
max n: 2.373.190
n = 1 4 digits
n = 9 7 digits
n = 13 8 digits
n = 15 9 digits
n = 111 38 digits
n = 113 38 digits
n = 133 44 digits
n = 2835 858 digits
n = 3395 1026 digits 1993 Jeffrey Young
n = 3515 1062 digits 1993 Jeffrey Young
n = 4541 1371 digits 1993 Jeffrey Young
n = 5343 1613 digits
n = 5413 1634 digits
n = 7703 2323 digits May 1996 Patrick Demichel
n = 15339 4622 digits
n = 17075 5144 digits
n = 26183 7886 digits
n = 93675 28203 digits
n = 198093 59636 digits
n = 370509 111538 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 371801 111927 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 427033 128554 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 750741 226000 digits Feb 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 946679 284983 digits Jul 2012 Masahiro Yoshida; PSieve; srsieve; PrimeGrid; LLR
n = 1255289 377884 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1284713 386741 digits Jul 2014 Drew Halasz; PSieve; srsieve; PrimeGrid; LLR
n = 2177609 655530 digits Feb 2025 Andrew Dunchouk; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2330541 701567 digits Dec 2025 PPSE; PrimeGrid
k: 4273
max n: 2.372.683
n = 2 5 digits
n = 6 6 digits
n = 8 7 digits
n = 26 12 digits
n = 30 13 digits
n = 36 15 digits
n = 42 17 digits
n = 48 19 digits
n = 56 21 digits
n = 60 22 digits
n = 158 52 digits
n = 246 78 digits
n = 260 82 digits
n = 300 94 digits
n = 350 109 digits
n = 450 140 digits
n = 752 231 digits
n = 822 252 digits
n = 1016 310 digits
n = 1334 406 digits
n = 3108 940 digits
n = 3182 962 digits
n = 4794 1447 digits 1993 Jeffrey Young
n = 5282 1594 digits
n = 5318 1605 digits
n = 9158 2761 digits
n = 10074 3037 digits
n = 10800 3255 digits
n = 11816 3561 digits
n = 14540 4381 digits
n = 18104 5454 digits
n = 46446 13986 digits
n = 58118 17499 digits
n = 63936 19251 digits
n = 70370 21188 digits
n = 118608 35709 digits
n = 158030 47576 digits
n = 159216 47933 digits
n = 176238 53057 digits
n = 244742 73679 digits
n = 372314 112082 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 476390 143412 digits Oct 2009 Dale Laluk; srsieve; PrimeGrid; LLR
n = 547170 164719 digits Sep 2010 Choi Yooil; PSieve; srsieve; PrimeGrid; LLR
n = 700412 210849 digits Sep 2011 Thurmond Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 750356 225884 digits Feb 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 932016 280569 digits Jul 2012 Bob Goellner; PSieve; srsieve; PrimeGrid; LLR
n = 1167026 351314 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1170750 352435 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 4275
max n: 2.372.765
n = 6 6 digits
n = 10 7 digits
n = 15 9 digits
n = 39 16 digits
n = 46 18 digits
n = 60 22 digits
n = 120 40 digits
n = 154 50 digits
n = 162 53 digits
n = 237 75 digits
n = 279 88 digits
n = 280 88 digits
n = 316 99 digits
n = 360 113 digits
n = 480 149 digits
n = 723 222 digits
n = 739 227 digits
n = 1104 336 digits
n = 1530 465 digits
n = 1662 504 digits
n = 2556 774 digits
n = 3466 1048 digits 1993 Jeffrey Young
n = 7324 2209 digits May 1996 Patrick Demichel
n = 7624 2299 digits May 1996 Patrick Demichel
n = 7630 2301 digits May 1996 Patrick Demichel
n = 8749 2638 digits
n = 8787 2649 digits
n = 9775 2947 digits
n = 13623 4105 digits
n = 13917 4194 digits
n = 20664 6225 digits
n = 21186 6382 digits
n = 22935 6908 digits
n = 26016 7836 digits
n = 27244 8205 digits
n = 37726 11361 digits
n = 44631 13439 digits
n = 138120 41582 digits
n = 172474 51924 digits
n = 254386 76582 digits
n = 274302 82577 digits
n = 354516 106724 digits May 2012 PPSE; PrimeGrid
n = 543589 163641 digits Sep 2010 Yevgeniy Gorbachev; PSieve; srsieve; PrimeGrid; LLR
n = 561292 168970 digits Oct 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 657403 197902 digits Mar 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 682180 205361 digits Aug 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 912012 274547 digits Jun 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1495506 450196 digits Jul 2018 Gary Lowder; PSieve; srsieve; PrimeGrid; LLR
n = 2068452 622670 digits Jan 2025 Don Wellck; PPSE; PrimeGrid
k: 4277
max n: 2.372.870
n = 3 5 digits
n = 31 13 digits
n = 283 89 digits
n = 307 97 digits
n = 327 103 digits
n = 1791 543 digits
n = 2207 669 digits
n = 3231 977 digits
n = 3791 1145 digits 1993 Jeffrey Young
n = 13907 4191 digits
n = 27807 8375 digits
n = 35727 10759 digits
n = 265963 80067 digits
n = 785951 236599 digits Mar 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1987107 598183 digits Aug 2024 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4279
max n: 2.372.861
n = 2 5 digits
n = 6 6 digits
n = 26 12 digits
n = 70 25 digits
n = 90 31 digits
n = 222 71 digits
n = 278 88 digits
n = 426 132 digits
n = 522 161 digits
n = 634 195 digits
n = 1306 397 digits
n = 1678 509 digits
n = 2714 821 digits
n = 4766 1439 digits 1993 Jeffrey Young
n = 17866 5382 digits Jul 1996 Patrick Demichel
n = 41038 12358 digits
n = 80862 24346 digits
n = 116766 35154 digits
n = 187170 56348 digits
n = 236290 71135 digits
n = 652274 196358 digits Mar 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1174502 353564 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2027382 610307 digits Dec 2024 Joachim Haberer; PPSE; PrimeGrid
n = 2113710 636294 digits Jan 2025 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4281
max n: 2.372.404
n = 1 4 digits
n = 5 6 digits
n = 9 7 digits
n = 19 10 digits
n = 20 10 digits
n = 29 13 digits
n = 32 14 digits
n = 57 21 digits
n = 73 26 digits
n = 89 31 digits
n = 120 40 digits
n = 253 80 digits
n = 357 112 digits
n = 465 144 digits
n = 603 186 digits
n = 656 202 digits
n = 707 217 digits
n = 747 229 digits
n = 833 255 digits
n = 939 287 digits
n = 1041 318 digits
n = 1043 318 digits
n = 1085 331 digits
n = 1641 498 digits
n = 1675 508 digits
n = 2820 853 digits
n = 3185 963 digits
n = 4751 1434 digits 1993 Jeffrey Young
n = 5708 1722 digits
n = 6343 1914 digits
n = 6812 2055 digits Mar 1996 Patrick Demichel
n = 7508 2264 digits May 1996 Patrick Demichel
n = 12812 3861 digits
n = 13043 3930 digits
n = 13133 3958 digits
n = 15068 4540 digits
n = 19697 5934 digits
n = 24275 7312 digits
n = 32781 9872 digits
n = 41400 12467 digits
n = 52812 15902 digits
n = 58332 17564 digits
n = 64153 19316 digits
n = 67629 20362 digits
n = 68833 20725 digits May 2000 James Carpenter; Proth
n = 73657 22177 digits
n = 88812 26739 digits
n = 93587 28177 digits
n = 112831 33970 digits
n = 129085 38863 digits
n = 135033 40653 digits
n = 162113 48805 digits
n = 226557 68205 digits
n = 240800 72492 digits
n = 258881 77935 digits
n = 287733 86620 digits
n = 347507 104614 digits Apr 2012 Vaughan Davies; PPSE; PrimeGrid
n = 422487 127185 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 439945 132441 digits Dec 2012 Adrian Schori; PPSE; PrimeGrid
n = 538917 162234 digits Aug 2010 Axel Höpstein; PSieve; srsieve; PrimeGrid; LLR
n = 605831 182377 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 676541 203663 digits Aug 2011 Michał Gasewicz; PSieve; srsieve; PrimeGrid; LLR
n = 721317 217142 digits Nov 2011 Michael Perry; PSieve; srsieve; PrimeGrid; LLR
n = 821197 247209 digits Apr 2012 Osamu Yokohagi; PSieve; srsieve; PrimeGrid; LLR
n = 873932 263084 digits May 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 941577 283447 digits Jul 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1017443 306285 digits Oct 2012 Wolfgang Schönrogge; NewPGen; PrimeGrid; Twin Prime Search; LLR
n = 1128417 339691 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1671440 503158 digits Feb 2022 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1725932 519561 digits Dec 2022 Gregory Coscia; PPSE; PrimeGrid
n = 1793523 539908 digits Jan 2024 Dr. James Scott Brown; PPSE; PrimeGrid
n = 1998649 601657 digits Sep 2024 Charles Jackson; PPSE; PrimeGrid
n = 2127501 640446 digits Jan 2025 Florian Gnann; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2319123 698130 digits Oct 2025 PPSE; PrimeGrid
n = 3356051 1010276 digits Feb 2021 James S. Gilliland; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4283
max n: 2.373.137
n = 689 212 digits
n = 2825 855 digits
n = 3365 1017 digits 1993 Jeffrey Young
n = 3389 1024 digits 1993 Jeffrey Young
n = 4025 1216 digits 1993 Jeffrey Young
n = 7409 2234 digits
n = 22361 6735 digits
n = 24629 7418 digits
n = 45341 13653 digits
n = 361409 108799 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 402761 121247 digits Jul 2012 Bruce Dodson; PPSE; PrimeGrid
n = 566837 170639 digits Nov 2010 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 1601201 482014 digits Sep 2020 Lukas Guggolz; PSieve; srsieve; PrimeGrid; LLR
n = 1618145 487114 digits Feb 2021 Greg McDevitt; PSieve; srsieve; PrimeGrid; LLR
n = 2077301 625334 digits Jan 2025 LeRoy Blanchard; PPSE; PrimeGrid
k: 4285
max n: 2.373.402
n = 14 8 digits
n = 30 13 digits
n = 38 16 digits
n = 50 19 digits
n = 58 22 digits
n = 74 26 digits
n = 158 52 digits
n = 168 55 digits
n = 258 82 digits
n = 534 165 digits
n = 538 166 digits
n = 690 212 digits
n = 718 220 digits
n = 1040 317 digits
n = 1158 353 digits
n = 1238 377 digits
n = 2238 678 digits
n = 2952 893 digits
n = 3118 943 digits
n = 3618 1093 digits 1993 Jeffrey Young
n = 4760 1437 digits 1993 Jeffrey Young
n = 5120 1545 digits
n = 22274 6709 digits
n = 27664 8332 digits
n = 56840 17115 digits
n = 211274 63604 digits
n = 221498 66682 digits
n = 310352 93429 digits
n = 311442 93758 digits
n = 525714 158260 digits Jul 2010 Steve Engler; PSieve; srsieve; PrimeGrid; LLR
n = 541298 162951 digits Aug 2010 Kimmo Myllyvirta; PSieve; srsieve; PrimeGrid; LLR
n = 603970 181817 digits Jan 2011 Stefano D'Urso; PSieve; srsieve; PrimeGrid; LLR
n = 733902 220931 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 4287
max n: 2.373.434
n = 3 5 digits
n = 14 8 digits
n = 27 12 digits
n = 35 15 digits
n = 39 16 digits
n = 51 19 digits
n = 54 20 digits
n = 60 22 digits
n = 107 36 digits
n = 147 48 digits
n = 180 58 digits
n = 255 81 digits
n = 327 103 digits
n = 371 116 digits
n = 723 222 digits
n = 936 286 digits
n = 1179 359 digits
n = 3639 1100 digits 1993 Jeffrey Young
n = 6735 2032 digits Mar 1996 Patrick Demichel
n = 9083 2738 digits
n = 11607 3498 digits
n = 24723 7446 digits
n = 38943 11727 digits
n = 98595 29684 digits
n = 136547 41109 digits
n = 147318 44351 digits
n = 288431 86831 digits
n = 341759 102884 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 547283 164753 digits Sep 2010 Tom Shewbridge; PSieve; srsieve; PrimeGrid; LLR
n = 639927 192641 digits Feb 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 1024154 308305 digits Oct 2012 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 1550687 466807 digits Nov 2019 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1610367 484773 digits Nov 2020 Olivier Jacques; PSieve; srsieve; PrimeGrid; LLR
k: 4289
max n: 2.372.628
n = 3 5 digits
n = 9 7 digits
n = 13 8 digits
n = 21 10 digits
n = 25 12 digits
n = 27 12 digits
n = 61 22 digits
n = 75 27 digits
n = 91 32 digits
n = 105 36 digits
n = 127 42 digits
n = 183 59 digits
n = 385 120 digits
n = 619 190 digits
n = 685 210 digits
n = 909 278 digits
n = 2757 834 digits
n = 4495 1357 digits 1993 Jeffrey Young
n = 4573 1381 digits 1993 Jeffrey Young
n = 4575 1381 digits 1993 Jeffrey Young
n = 4869 1470 digits 1993 Jeffrey Young
n = 10317 3110 digits
n = 26407 7953 digits
n = 43695 13158 digits
n = 52513 15812 digits
n = 57771 17395 digits
n = 62545 18832 digits
n = 74919 22557 digits
n = 117057 35242 digits
n = 120711 36342 digits
n = 126451 38070 digits
n = 131005 39441 digits
n = 139219 41913 digits
n = 180835 54441 digits
n = 210637 63412 digits
n = 373029 112297 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 591843 178167 digits Dec 2010 Thurmond Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 682569 205478 digits Sep 2011 Oliver Gurney Champion; PSieve; srsieve; PrimeGrid; LLR
n = 1232571 371045 digits Jan 2014 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1303015 392251 digits Feb 2015 Gary Maki; PSieve; srsieve; PrimeGrid; LLR
n = 1580365 475741 digits May 2020 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 2047219 616278 digits Jan 2025 Kyle Gingrich; PPSE; PrimeGrid
n = 2249055 677037 digits Mar 2025 Todd Pickering; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4291
max n: 2.372.947
n = 12 8 digits
n = 20 10 digits
n = 164 54 digits
n = 348 109 digits
n = 656 202 digits
n = 1928 585 digits
n = 4736 1430 digits 1993 Jeffrey Young
n = 6812 2055 digits Mar 1996 Patrick Demichel
n = 7204 2173 digits May 1996 Patrick Demichel
n = 9008 2716 digits
n = 20968 6316 digits
n = 46336 13953 digits
n = 132292 39828 digits
n = 276384 83204 digits
n = 367300 110572 digits May 2012 PPSE; PrimeGrid
n = 423128 127378 digits Nov 2012 PPSE; PrimeGrid
n = 878236 264380 digits May 2012 Chung Ming Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1481656 446027 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
k: 4293
max n: 2.372.793
n = 10 7 digits
n = 12 8 digits
n = 25 12 digits
n = 34 14 digits
n = 64 23 digits
n = 88 31 digits
n = 94 32 digits
n = 128 43 digits
n = 220 70 digits
n = 233 74 digits
n = 384 120 digits
n = 394 123 digits
n = 808 247 digits
n = 1038 317 digits
n = 1193 363 digits
n = 1200 365 digits
n = 1369 416 digits
n = 1542 468 digits
n = 1769 537 digits
n = 2118 642 digits
n = 2152 652 digits
n = 2809 850 digits
n = 3208 970 digits
n = 3994 1206 digits 1993 Jeffrey Young
n = 5050 1524 digits
n = 5314 1604 digits
n = 7929 2391 digits
n = 12249 3691 digits
n = 23794 7167 digits
n = 24113 7263 digits
n = 51164 15406 digits
n = 116920 35201 digits
n = 133990 40339 digits
n = 134524 40500 digits
n = 135838 40895 digits
n = 1072380 322823 digits Apr 2013 Geoff Stirling; PSieve; srsieve; PrimeGrid; LLR
n = 1619014 487376 digits Feb 2021 Jason Jung; PSieve; srsieve; PrimeGrid; LLR
k: 4295
max n: 2.372.806
n = 3 5 digits
n = 19 10 digits
n = 43 17 digits
n = 49 19 digits
n = 89 31 digits
n = 107 36 digits
n = 175 57 digits
n = 197 63 digits
n = 217 69 digits
n = 395 123 digits
n = 509 157 digits
n = 583 180 digits
n = 797 244 digits
n = 803 246 digits
n = 845 259 digits
n = 2057 623 digits
n = 2657 804 digits
n = 7049 2126 digits Mar 1996 Patrick Demichel
n = 11393 3434 digits
n = 48819 14700 digits
n = 50143 15099 digits
n = 57473 17305 digits
n = 61355 18474 digits
n = 73367 22090 digits
n = 85699 25802 digits
n = 87115 26228 digits
n = 191195 57560 digits
n = 292297 87994 digits
n = 320503 96485 digits
n = 851453 256317 digits May 2012 Neil Romig; PSieve; srsieve; PrimeGrid; LLR
n = 879557 264777 digits May 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 1208815 363894 digits Dec 2013 Allan Kiss; PSieve; srsieve; PrimeGrid; LLR
n = 1324315 398663 digits Feb 2015 David Spencer; PSieve; srsieve; PrimeGrid; LLR
k: 4297
max n: 2.373.416
n = 2 5 digits
n = 10 7 digits
n = 34 14 digits
n = 74 26 digits
n = 80 28 digits
n = 250 79 digits
n = 344 108 digits
n = 784 240 digits
n = 1232 375 digits
n = 2896 876 digits
n = 4160 1256 digits 1993 Jeffrey Young
n = 4252 1284 digits 1993 Jeffrey Young
n = 5176 1562 digits
n = 445732 134183 digits Jan 2013 Jörg Meili; PPSE; PrimeGrid
n = 507172 152678 digits May 2010 Paweł Feruś; PSieve; srsieve; PrimeGrid; LLR
n = 511240 153903 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1130476 340311 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 4299
max n: 2.372.953
n = 1 4 digits
n = 13 8 digits
n = 18 10 digits
n = 27 12 digits
n = 37 15 digits
n = 45 18 digits
n = 53 20 digits
n = 57 21 digits
n = 110 37 digits
n = 125 42 digits
n = 145 48 digits
n = 146 48 digits
n = 233 74 digits
n = 243 77 digits
n = 891 272 digits
n = 1411 429 digits
n = 3533 1068 digits 1993 Jeffrey Young
n = 4411 1332 digits 1993 Jeffrey Young
n = 5066 1529 digits
n = 5761 1738 digits
n = 7914 2386 digits
n = 10610 3198 digits
n = 13557 4085 digits
n = 21698 6536 digits
n = 40873 12308 digits
n = 58091 17491 digits
n = 86930 26173 digits
n = 94734 28522 digits
n = 123030 37040 digits
n = 147523 44413 digits
n = 233510 70298 digits
n = 251765 75793 digits
n = 299701 90223 digits
n = 580710 174815 digits Nov 2010 Shinobu Miya; PSieve; srsieve; PrimeGrid; LLR
n = 667333 200891 digits Apr 2011 Peter Crickman; PSieve; srsieve; PrimeGrid; LLR
n = 706833 212782 digits Sep 2011 Chen Hsun Chang; PSieve; srsieve; PrimeGrid; LLR
n = 820283 246934 digits Apr 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1005050 302554 digits Sep 2012 Bradford Nye; PSieve; srsieve; PrimeGrid; LLR
n = 1494233 449813 digits Jun 2018 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2141883 644775 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4301
max n: 2.372.632
n = 5 6 digits
n = 15 9 digits
n = 53 20 digits
n = 281 89 digits
n = 573 177 digits
n = 873 267 digits
n = 1719 522 digits
n = 4433 1339 digits 1993 Jeffrey Young
n = 5235 1580 digits
n = 10305 3106 digits
n = 19779 5958 digits
n = 25881 7795 digits
n = 90315 27192 digits
n = 238869 71911 digits
n = 660831 198934 digits Mar 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 4303
max n: 2.372.849
n = 6 6 digits
n = 36 15 digits
n = 42 17 digits
n = 108 37 digits
n = 156 51 digits
n = 216 69 digits
n = 220 70 digits
n = 252 80 digits
n = 270 85 digits
n = 408 127 digits
n = 1282 390 digits
n = 1660 504 digits
n = 2082 631 digits
n = 2668 807 digits
n = 3952 1194 digits 1993 Jeffrey Young
n = 12960 3905 digits
n = 15510 4673 digits
n = 212818 64069 digits
n = 270486 81429 digits
n = 582958 175492 digits Nov 2010 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 1201548 361706 digits Nov 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1229412 370094 digits Jan 2014 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 3330652 1002630 digits Feb 2020 Michael Bowe; PSieve; srsieve; PrimeGrid; LLR
k: 4305
max n: 2.373.039
n = 4 5 digits
n = 6 6 digits
n = 9 7 digits
n = 11 7 digits
n = 12 8 digits
n = 16 9 digits
n = 20 10 digits
n = 36 15 digits
n = 49 19 digits
n = 54 20 digits
n = 64 23 digits
n = 67 24 digits
n = 72 26 digits
n = 174 57 digits
n = 184 60 digits
n = 212 68 digits
n = 415 129 digits
n = 435 135 digits
n = 471 146 digits
n = 481 149 digits
n = 604 186 digits
n = 615 189 digits
n = 697 214 digits
n = 1179 359 digits
n = 2727 825 digits
n = 3451 1043 digits 1993 Jeffrey Young
n = 3585 1083 digits 1993 Jeffrey Young
n = 5070 1530 digits
n = 5136 1550 digits
n = 6035 1821 digits
n = 13624 4105 digits
n = 49915 15030 digits Dec 1997 James Carpenter; Proth
n = 52870 15920 digits
n = 63237 19040 digits
n = 63909 19243 digits
n = 74800 22521 digits
n = 76342 22985 digits
n = 97947 29489 digits
n = 151297 45549 digits
n = 211775 63755 digits
n = 292591 88083 digits
n = 404589 121798 digits Aug 2012 Dirk Dhuyvetters; PPSE; PrimeGrid
n = 664507 200041 digits Apr 2011 Yuriy Brovarets; PSieve; srsieve; PrimeGrid; LLR
n = 787236 236986 digits Mar 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 793312 238815 digits Mar 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 882720 265729 digits May 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 903517 271990 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 925902 278728 digits Jun 2012 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 1332844 401230 digits Apr 2015 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1396406 420364 digits Mar 2016 Serge Batalov; PSieve; srsieve; PrimeGrid; LLR
n = 1648390 496219 digits Nov 2021 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1888012 568352 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4307
max n: 2.372.626
n = 3 5 digits
n = 7 6 digits
n = 31 13 digits
n = 35 15 digits
n = 255 81 digits
n = 335 105 digits
n = 487 151 digits
n = 923 282 digits
n = 1703 517 digits
n = 1895 575 digits
n = 6851 2066 digits Mar 1996 Patrick Demichel
n = 7955 2399 digits
n = 21063 6345 digits
n = 34787 10476 digits
n = 87563 26363 digits
n = 90655 27294 digits
n = 324307 97630 digits
n = 325147 97883 digits
n = 379995 114394 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
k: 4309
max n: 2.373.173
n = 14 8 digits
n = 30 13 digits
n = 98 34 digits
n = 138 46 digits
n = 278 88 digits
n = 414 129 digits
n = 546 168 digits
n = 1614 490 digits
n = 1866 566 digits
n = 4798 1448 digits 1993 Jeffrey Young
n = 4998 1509 digits 1993 Jeffrey Young
n = 7258 2189 digits May 1996 Patrick Demichel
n = 7346 2216 digits May 1996 Patrick Demichel
n = 11654 3512 digits
n = 12226 3685 digits
n = 12546 3781 digits
n = 12686 3823 digits
n = 27714 8347 digits
n = 46894 14121 digits
n = 49470 14896 digits
n = 88314 26589 digits
n = 121474 36571 digits
n = 148594 44735 digits
n = 250398 75381 digits
n = 495150 149059 digits Apr 2010 Andrew Graham; PSieve; srsieve; PrimeGrid; LLR
n = 848334 255378 digits Apr 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
k: 4311
max n: 2.371.500
n = 1 4 digits
n = 7 6 digits
n = 8 7 digits
n = 11 7 digits
n = 25 12 digits
n = 29 13 digits
n = 41 16 digits
n = 77 27 digits
n = 101 35 digits
n = 119 40 digits
n = 239 76 digits
n = 284 90 digits
n = 337 106 digits
n = 551 170 digits
n = 1015 310 digits
n = 1081 330 digits
n = 1435 436 digits
n = 1528 464 digits
n = 2984 902 digits
n = 3773 1140 digits 1993 Jeffrey Young
n = 4048 1223 digits 1993 Jeffrey Young
n = 4199 1268 digits 1993 Jeffrey Young
n = 4664 1408 digits 1993 Jeffrey Young
n = 4747 1433 digits 1993 Jeffrey Young
n = 6248 1885 digits
n = 6367 1921 digits
n = 7175 2164 digits May 1996 Patrick Demichel
n = 7423 2239 digits May 1996 Patrick Demichel
n = 8029 2421 digits May 1996 Patrick Demichel
n = 11201 3376 digits
n = 13385 4033 digits
n = 13768 4149 digits
n = 19784 5960 digits
n = 20737 6247 digits
n = 27821 8379 digits
n = 29419 8860 digits
n = 53723 16176 digits
n = 77408 23306 digits
n = 115556 34790 digits
n = 150779 45393 digits
n = 186284 56081 digits
n = 247255 74435 digits
n = 872159 262550 digits May 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 1188865 357888 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1330925 400652 digits Apr 2015 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1383467 416469 digits Feb 2016 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 2367724 712760 digits May 2026 Harvey Patterson; PPSE; PrimeGrid
k: 4313
max n: 2.373.397
n = 1 4 digits
n = 9 7 digits
n = 21 10 digits
n = 93 32 digits
n = 197 63 digits
n = 253 80 digits
n = 321 101 digits
n = 353 110 digits
n = 1977 599 digits
n = 3753 1134 digits 1993 Jeffrey Young
n = 25181 7584 digits
n = 44441 13382 digits
n = 74049 22295 digits
n = 177529 53446 digits
n = 264881 79741 digits
n = 337797 101691 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 371833 111937 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 407689 122731 digits Aug 2012 Kenta Miyakoshi; PPSE; PrimeGrid
n = 1002193 301694 digits Sep 2012 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 2129069 640918 digits Jan 2025 Uli Wühler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4315
max n: 2.373.404
n = 14 8 digits
n = 18 10 digits
n = 90 31 digits
n = 92 32 digits
n = 186 60 digits
n = 210 67 digits
n = 11090 3343 digits
n = 32510 9791 digits
n = 33134 9978 digits
n = 111188 33475 digits
n = 128648 38731 digits
n = 308264 92801 digits
k: 4317
max n: 2.373.340
n = 3 5 digits
n = 4 5 digits
n = 27 12 digits
n = 39 16 digits
n = 46 18 digits
n = 94 32 digits
n = 202 65 digits
n = 286 90 digits
n = 348 109 digits
n = 564 174 digits
n = 1018 311 digits
n = 1114 339 digits
n = 1228 374 digits
n = 1354 412 digits
n = 1495 454 digits
n = 5487 1656 digits
n = 6463 1950 digits
n = 13654 4114 digits
n = 17599 5302 digits
n = 20163 6074 digits Oct 1996 Patrick Demichel
n = 81118 24423 digits
n = 110835 33369 digits
n = 121354 36535 digits
n = 195940 58988 digits
n = 204075 61437 digits
n = 225418 67862 digits
n = 357555 107639 digits May 2012 PPSE; PrimeGrid
n = 378975 114087 digits Jun 2012 Charley Gielkens; PPSE; PrimeGrid
n = 478599 144077 digits Dec 2009 Anonymous; srsieve; PrimeGrid; LLR
n = 510694 153738 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 627363 188859 digits Feb 2011 Takaharu Yamamura; PSieve; srsieve; PrimeGrid; LLR
n = 655660 197377 digits Mar 2011 Steven F. Bohl; PSieve; srsieve; PrimeGrid; LLR
n = 674932 203179 digits Jul 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 825339 248456 digits Apr 2012 Gavin Wilkinson; PSieve; srsieve; PrimeGrid; LLR
n = 967063 291119 digits Aug 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1037422 312299 digits Jan 2013 Kiki Oshima; PSieve; srsieve; PrimeGrid; LLR
n = 1086375 327036 digits Apr 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1444732 434912 digits Mar 2017 Larfy Hu; PSieve; srsieve; PrimeGrid; LLR
n = 2191282 659646 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4319
max n: 2.372.794
n = 5 6 digits
n = 7 6 digits
n = 9 7 digits
n = 19 10 digits
n = 21 10 digits
n = 33 14 digits
n = 43 17 digits
n = 59 22 digits
n = 73 26 digits
n = 77 27 digits
n = 79 28 digits
n = 109 37 digits
n = 123 41 digits
n = 173 56 digits
n = 253 80 digits
n = 293 92 digits
n = 321 101 digits
n = 359 112 digits
n = 369 115 digits
n = 403 125 digits
n = 567 175 digits
n = 803 246 digits
n = 849 260 digits
n = 1103 336 digits
n = 1205 367 digits
n = 1423 433 digits
n = 1951 591 digits
n = 2033 616 digits
n = 3357 1015 digits 1993 Jeffrey Young
n = 4523 1366 digits 1993 Jeffrey Young
n = 7277 2195 digits May 1996 Patrick Demichel
n = 9349 2818 digits
n = 10861 3274 digits
n = 11123 3352 digits
n = 11133 3356 digits
n = 13065 3937 digits
n = 13445 4051 digits
n = 13681 4123 digits
n = 14037 4230 digits
n = 23425 7056 digits
n = 34849 10495 digits
n = 37907 11415 digits
n = 40573 12218 digits
n = 49163 14804 digits
n = 59147 17809 digits
n = 66195 19931 digits
n = 81809 24631 digits
n = 90827 27346 digits
n = 106173 31965 digits
n = 114027 34330 digits
n = 135313 40737 digits
n = 144133 43392 digits
n = 213945 64408 digits
n = 265505 79929 digits
n = 267639 80572 digits
n = 342153 103002 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 509607 153411 digits May 2010 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 590061 177630 digits Dec 2010 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 698551 210289 digits Sep 2011 Vincent DiGennaro; PSieve; srsieve; PrimeGrid; LLR
n = 774379 233115 digits Feb 2012 Kelvin Lewis; PSieve; srsieve; PrimeGrid; LLR
n = 893363 268933 digits Jun 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 3475955 1046371 digits Jul 2023 Michael Kwok; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4321
max n: 2.373.167
n = 8 7 digits
n = 28 13 digits
n = 112 38 digits
n = 144 47 digits
n = 156 51 digits
n = 176 57 digits
n = 296 93 digits
n = 360 113 digits
n = 460 143 digits
n = 616 190 digits
n = 732 224 digits
n = 1184 361 digits
n = 1960 594 digits
n = 2128 645 digits
n = 6948 2096 digits Mar 1996 Patrick Demichel
n = 7300 2202 digits May 1996 Patrick Demichel
n = 8816 2658 digits
n = 13748 4143 digits
n = 29792 8972 digits
n = 32144 9680 digits
n = 40348 12150 digits
n = 40532 12205 digits
n = 42704 12859 digits
n = 42976 12941 digits
n = 68796 20714 digits
n = 103500 31161 digits
n = 104252 31387 digits
n = 111728 33638 digits
n = 176308 53078 digits
n = 179672 54091 digits
n = 465448 140118 digits Jun 2009 Steven Wong; srsieve; PrimeGrid; LLR
n = 590304 177703 digits Dec 2010 Sergio López Briñas Pérez Vico; PSieve; srsieve; PrimeGrid; LLR
n = 1388840 418087 digits Feb 2016 Serge Batalov; PSieve; srsieve; PrimeGrid; LLR
n = 2343044 705331 digits Feb 2026 Jörg Steinmetz; PPSE; PrimeGrid
k: 4323
max n: 2.372.563
n = 1 4 digits
n = 2 5 digits
n = 5 6 digits
n = 6 6 digits
n = 8 7 digits
n = 12 8 digits
n = 24 11 digits
n = 26 12 digits
n = 29 13 digits
n = 36 15 digits
n = 37 15 digits
n = 52 20 digits
n = 70 25 digits
n = 98 34 digits
n = 108 37 digits
n = 144 47 digits
n = 185 60 digits
n = 212 68 digits
n = 213 68 digits
n = 285 90 digits
n = 306 96 digits
n = 458 142 digits
n = 492 152 digits
n = 502 155 digits
n = 641 197 digits
n = 998 305 digits
n = 1040 317 digits
n = 1046 319 digits
n = 1098 335 digits
n = 1253 381 digits
n = 1806 548 digits
n = 2628 795 digits
n = 3028 916 digits
n = 3090 934 digits
n = 3944 1191 digits 1993 Jeffrey Young
n = 5232 1579 digits
n = 5624 1697 digits
n = 5744 1733 digits
n = 6384 1926 digits
n = 7468 2252 digits May 1996 Patrick Demichel
n = 7836 2363 digits
n = 8860 2671 digits
n = 13724 4135 digits
n = 18672 5625 digits Oct 1996 Patrick Demichel
n = 23469 7069 digits
n = 36092 10869 digits
n = 59942 18048 digits
n = 62041 18680 digits
n = 66850 20128 digits
n = 93593 28178 digits
n = 95562 28771 digits
n = 153008 46064 digits
n = 228533 68799 digits
n = 243326 73253 digits
n = 293120 88242 digits
n = 295692 89016 digits
n = 382508 115151 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 386270 116283 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 418629 126024 digits Oct 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 475944 143278 digits Nov 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 506084 152351 digits May 2010 Jessicalind Ah Kit; PSieve; srsieve; PrimeGrid; LLR
n = 593709 178728 digits Dec 2010 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 615701 185349 digits Jan 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 677132 203841 digits Aug 2011 Jacob Mueller; PSieve; srsieve; PrimeGrid; LLR
n = 788657 237414 digits Mar 2012 Neil Romig; PSieve; srsieve; PrimeGrid; LLR
n = 1422662 428268 digits Sep 2016 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 2241526 674771 digits Feb 2025 Jens Katzur; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4325
max n: 2.373.084
n = 5 6 digits
n = 7 6 digits
n = 13 8 digits
n = 17 9 digits
n = 19 10 digits
n = 79 28 digits
n = 89 31 digits
n = 571 176 digits
n = 733 225 digits
n = 1099 335 digits
n = 2167 656 digits
n = 2219 672 digits
n = 4139 1250 digits 1993 Jeffrey Young
n = 4579 1383 digits 1993 Jeffrey Young
n = 9817 2959 digits
n = 10399 3135 digits
n = 10543 3178 digits
n = 11687 3522 digits
n = 11789 3553 digits
n = 25165 7580 digits
n = 33305 10030 digits
n = 74939 22563 digits
n = 77107 23216 digits
n = 101683 30614 digits
n = 158749 47792 digits
n = 167623 50464 digits
n = 593611 178699 digits Dec 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 848137 255319 digits Apr 2012 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 858013 258292 digits May 2012 Grzegorz Plinta; PSieve; srsieve; PrimeGrid; LLR
n = 1100347 331242 digits Jul 2013 Radim Vančo; PSieve; srsieve; PrimeGrid; LLR
n = 1217149 366402 digits Jan 2014 Jeff Kopp; PSieve; srsieve; PrimeGrid; LLR
n = 1745383 525417 digits May 2023 Gregory Bennett; PPSE; PrimeGrid
n = 3481969 1048181 digits Sep 2023 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4327
max n: 2.372.151
n = 4 5 digits
n = 6 6 digits
n = 14 8 digits
n = 16 9 digits
n = 30 13 digits
n = 32 14 digits
n = 102 35 digits
n = 106 36 digits
n = 112 38 digits
n = 314 99 digits
n = 466 144 digits
n = 602 185 digits
n = 1026 313 digits
n = 1330 405 digits
n = 1624 493 digits
n = 3532 1067 digits 1993 Jeffrey Young
n = 3722 1125 digits 1993 Jeffrey Young
n = 8062 2431 digits
n = 11356 3423 digits May 1996 Patrick Demichel
n = 12650 3812 digits
n = 22356 6734 digits
n = 23644 7122 digits
n = 26702 8042 digits Aug 1998 Kenneth J. Brazier; Proth
n = 27346 8236 digits
n = 48946 14738 digits
n = 82506 24841 digits
n = 91030 27407 digits
n = 524190 157801 digits Jul 2010 Kouhei Ohyanagi; PSieve; srsieve; PrimeGrid; LLR
n = 946628 284968 digits Jul 2012 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 963814 290141 digits Aug 2012 Kelvin Lewis; PSieve; srsieve; PrimeGrid; LLR
n = 1728486 520330 digits Jan 2023 Kelly Davies; PPSE; PrimeGrid
n = 1799240 541629 digits Jan 2024 Milan Fňašek; PPSE; PrimeGrid
n = 1831446 551324 digits Jan 2024 PPSE; PrimeGrid
n = 1865084 561450 digits Feb 2024 Yifei Gao; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1889452 568786 digits Feb 2024 Rene Schick; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2079466 625986 digits Jan 2025 Todd Pickering; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4329
max n: 2.372.860
n = 2 5 digits
n = 15 9 digits
n = 45 18 digits
n = 47 18 digits
n = 57 21 digits
n = 62 23 digits
n = 87 30 digits
n = 213 68 digits
n = 273 86 digits
n = 278 88 digits
n = 294 93 digits
n = 518 160 digits
n = 747 229 digits
n = 1025 313 digits
n = 1241 378 digits
n = 2210 669 digits
n = 3093 935 digits
n = 6207 1873 digits
n = 12474 3759 digits
n = 23295 7017 digits
n = 53835 16210 digits
n = 81123 24425 digits
n = 89841 27049 digits
n = 133893 40310 digits
n = 544851 164021 digits Aug 2010 Danny T. Morris; PSieve; srsieve; PrimeGrid; LLR
n = 799121 240564 digits Mar 2012 Danny Cooper; PSieve; srsieve; PrimeGrid; LLR
n = 937737 282291 digits Jul 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 997422 300258 digits Sep 2012 Kennichi Uehara; PSieve; srsieve; PrimeGrid; LLR
n = 1158837 348849 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1241649 373778 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1432341 431182 digits Jan 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1902270 572644 digits Feb 2024 Christian Guilleminot; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3371201 1014837 digits Jul 2021 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4331
max n: 2.372.780
n = 1 4 digits
n = 3 5 digits
n = 9 7 digits
n = 13 8 digits
n = 27 12 digits
n = 49 19 digits
n = 61 22 digits
n = 87 30 digits
n = 145 48 digits
n = 675 207 digits
n = 903 276 digits
n = 949 290 digits
n = 1075 328 digits
n = 1237 377 digits
n = 1479 449 digits
n = 3271 989 digits
n = 4497 1358 digits 1993 Jeffrey Young
n = 5037 1520 digits
n = 6231 1880 digits
n = 6247 1885 digits
n = 7051 2127 digits Mar 1996 Patrick Demichel
n = 7977 2405 digits
n = 10621 3201 digits
n = 14107 4251 digits
n = 24261 7307 digits
n = 26043 7844 digits
n = 43591 13126 digits
n = 49737 14976 digits
n = 109983 33112 digits
n = 203907 61386 digits
n = 558901 168250 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 690043 207728 digits Sep 2011 Alexey Tarasov; PSieve; srsieve; PrimeGrid; LLR
n = 829725 249776 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 875367 263516 digits May 2012 Manabu Saito; PSieve; srsieve; PrimeGrid; LLR
n = 907923 273316 digits Jun 2012 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
k: 4333
max n: 2.372.503
n = 2 5 digits
n = 8 7 digits
n = 14 8 digits
n = 24 11 digits
n = 32 14 digits
n = 38 16 digits
n = 42 17 digits
n = 74 26 digits
n = 122 41 digits
n = 158 52 digits
n = 264 84 digits
n = 706 217 digits
n = 764 234 digits
n = 926 283 digits
n = 936 286 digits
n = 968 296 digits
n = 984 300 digits
n = 1506 457 digits
n = 1966 596 digits
n = 1998 606 digits
n = 2466 746 digits
n = 2664 806 digits
n = 3068 928 digits
n = 4106 1240 digits 1993 Jeffrey Young
n = 4786 1445 digits 1993 Jeffrey Young
n = 8132 2452 digits May 1996 Patrick Demichel
n = 12374 3729 digits
n = 17636 5313 digits
n = 24098 7258 digits
n = 30356 9142 digits
n = 31142 9379 digits
n = 38018 11449 digits
n = 43618 13134 digits
n = 57362 17272 digits
n = 62326 18766 digits
n = 64298 19360 digits
n = 81114 24422 digits
n = 112616 33905 digits
n = 114188 34378 digits
n = 177622 53474 digits
n = 310558 93491 digits
n = 438038 131867 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 976584 293985 digits Aug 2012 Stan Hebr; PSieve; srsieve; PrimeGrid; LLR
n = 1337938 402764 digits Apr 2015 Bernd Mollerus; PSieve; srsieve; PrimeGrid; LLR
n = 1357346 408606 digits Sep 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1643858 494855 digits Sep 2021 Phil Lachance; PSieve; srsieve; PrimeGrid; LLR
k: 4335
max n: 2.373.163
n = 2 5 digits
n = 8 7 digits
n = 16 9 digits
n = 21 10 digits
n = 26 12 digits
n = 38 16 digits
n = 54 20 digits
n = 66 24 digits
n = 92 32 digits
n = 110 37 digits
n = 191 62 digits
n = 261 83 digits
n = 307 97 digits
n = 312 98 digits
n = 458 142 digits
n = 492 152 digits
n = 598 184 digits
n = 864 264 digits
n = 1026 313 digits
n = 1416 430 digits
n = 1550 471 digits
n = 1608 488 digits
n = 1687 512 digits
n = 2244 680 digits
n = 2572 778 digits
n = 4111 1242 digits 1993 Jeffrey Young
n = 4876 1472 digits 1993 Jeffrey Young
n = 5731 1729 digits
n = 6316 1905 digits
n = 7598 2291 digits May 1996 Patrick Demichel
n = 8292 2500 digits May 1996 Patrick Demichel
n = 10432 3144 digits
n = 10787 3251 digits
n = 13173 3970 digits
n = 16271 4902 digits
n = 18604 5604 digits
n = 18893 5691 digits
n = 19327 5822 digits
n = 33411 10062 digits Feb 1999 Tadashi Taura; Proth
n = 45342 13653 digits
n = 73950 22265 digits
n = 91564 27568 digits
n = 99196 29865 digits
n = 103618 31196 digits
n = 105247 31687 digits
n = 107901 32486 digits
n = 110839 33370 digits
n = 127464 38375 digits
n = 163809 49316 digits
n = 186172 56047 digits
n = 203148 61158 digits
n = 205931 61996 digits
n = 214694 64633 digits
n = 246003 74058 digits
n = 254136 76507 digits
n = 298440 89844 digits
n = 312531 94085 digits
n = 432071 130070 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 835140 251406 digits Apr 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1070768 322337 digits Apr 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1467856 441873 digits Feb 2018 Mason Read; PSieve; srsieve; PrimeGrid; LLR
n = 1653722 497824 digits Jan 2022 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2011304 605467 digits Nov 2024 Yifei Gao; PPSE; PrimeGrid
n = 2177104 655378 digits Feb 2025 Jens Katzur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3323323 1000424 digits Aug 2019 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 3441306 1035940 digits Dec 2022 Stefan Larsson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4337
max n: 2.373.430
n = 103 35 digits
n = 415 129 digits
n = 455 141 digits
n = 11015 3320 digits
k: 4339
max n: 2.373.453
n = 94 32 digits
n = 1462 444 digits
n = 2158 654 digits
n = 6814 2055 digits Mar 1996 Patrick Demichel
n = 160166 48219 digits
n = 176302 53076 digits
n = 244534 73616 digits
n = 432046 130063 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 771814 232343 digits Feb 2012 Fumikazu Ameta; PSieve; srsieve; PrimeGrid; LLR
k: 4341
max n: 2.372.530
n = 3 5 digits
n = 4 5 digits
n = 9 7 digits
n = 15 9 digits
n = 16 9 digits
n = 20 10 digits
n = 23 11 digits
n = 31 13 digits
n = 39 16 digits
n = 45 18 digits
n = 87 30 digits
n = 89 31 digits
n = 131 44 digits
n = 155 51 digits
n = 176 57 digits
n = 225 72 digits
n = 239 76 digits
n = 267 85 digits
n = 319 100 digits
n = 589 181 digits
n = 940 287 digits
n = 1523 463 digits
n = 2619 793 digits
n = 2723 824 digits
n = 2849 862 digits
n = 2997 906 digits
n = 3987 1204 digits 1993 Jeffrey Young
n = 6479 1955 digits
n = 6483 1956 digits
n = 7347 2216 digits May 1996 Patrick Demichel
n = 8339 2514 digits
n = 8405 2534 digits
n = 11504 3467 digits
n = 16556 4988 digits
n = 19237 5795 digits
n = 21869 6587 digits
n = 23269 7009 digits
n = 39289 11831 digits
n = 42940 12930 digits
n = 55463 16700 digits
n = 89272 26878 digits
n = 114159 34369 digits
n = 167639 50469 digits
n = 205083 61740 digits
n = 378352 113899 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 870079 261924 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1123340 338163 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1190849 358485 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1322457 398103 digits Feb 2015 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 4343
max n: 2.372.500
n = 5 6 digits
n = 117 39 digits
n = 477 148 digits
n = 533 165 digits
n = 13925 4196 digits
n = 31637 9528 digits
n = 535685 161261 digits Jul 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 1980693 596252 digits Jul 2024 Adrian Schori; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4345
max n: 2.372.873
n = 12 8 digits
n = 36 15 digits
n = 276 87 digits
n = 696 214 digits
n = 702 215 digits
n = 1104 336 digits
n = 1450 441 digits
n = 2574 779 digits
n = 2730 826 digits
n = 6804 2052 digits Mar 1996 Patrick Demichel
n = 8142 2455 digits May 1996 Patrick Demichel
n = 8836 2664 digits
n = 9576 2887 digits
n = 10846 3269 digits
n = 11770 3547 digits
n = 23574 7101 digits
n = 60558 18234 digits
n = 111358 33526 digits
n = 139636 42039 digits
n = 165886 49941 digits
n = 295314 88903 digits
n = 297342 89513 digits
n = 629884 189618 digits Feb 2011 Gary Van Meter; PSieve; srsieve; PrimeGrid; LLR
n = 821394 247268 digits Apr 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1245994 375086 digits Feb 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1531330 460980 digits Feb 2019 Detlef Lexut; PSieve; srsieve; PrimeGrid; LLR
k: 4347
max n: 2.372.639
n = 2 5 digits
n = 6 6 digits
n = 8 7 digits
n = 11 7 digits
n = 15 9 digits
n = 46 18 digits
n = 60 22 digits
n = 68 25 digits
n = 71 26 digits
n = 72 26 digits
n = 76 27 digits
n = 87 30 digits
n = 95 33 digits
n = 122 41 digits
n = 138 46 digits
n = 140 46 digits
n = 343 107 digits
n = 511 158 digits
n = 652 200 digits
n = 680 209 digits
n = 896 274 digits
n = 951 290 digits
n = 1102 336 digits
n = 1422 432 digits
n = 1547 470 digits
n = 2238 678 digits
n = 2503 758 digits
n = 2611 790 digits
n = 3171 959 digits
n = 3356 1014 digits 1993 Jeffrey Young
n = 3772 1140 digits 1993 Jeffrey Young
n = 6822 2058 digits Mar 1996 Patrick Demichel
n = 7559 2280 digits
n = 9140 2756 digits
n = 11438 3447 digits
n = 12032 3626 digits
n = 12372 3728 digits
n = 13622 4105 digits
n = 15211 4583 digits
n = 18403 5544 digits
n = 22112 6661 digits
n = 27138 8173 digits
n = 27728 8351 digits
n = 46151 13897 digits
n = 47216 14218 digits
n = 55142 16604 digits
n = 81999 24688 digits
n = 94872 28563 digits
n = 105515 31767 digits
n = 126278 38018 digits
n = 187711 56511 digits
n = 262680 79079 digits
n = 287675 86603 digits
n = 368227 110852 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 427543 128707 digits Nov 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 511787 154067 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 537108 161690 digits Jul 2010 Brandon Kuschel; PSieve; srsieve; PrimeGrid; LLR
n = 720035 216756 digits Nov 2011 John S. Burningham; PSieve; srsieve; PrimeGrid; LLR
n = 764758 230219 digits Feb 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 849218 255644 digits Apr 2012 René Brückner; PSieve; srsieve; PrimeGrid; LLR
n = 1413579 425534 digits Jul 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1536111 462420 digits Apr 2019 Eric Markle; PSieve; srsieve; PrimeGrid; LLR
n = 1677659 505030 digits Mar 2022 Randall Scalise; PPSE; PrimeGrid
k: 4349
max n: 2.371.928
n = 1 4 digits
n = 5 6 digits
n = 11 7 digits
n = 15 9 digits
n = 21 10 digits
n = 59 22 digits
n = 69 25 digits
n = 229 73 digits
n = 405 126 digits
n = 489 151 digits
n = 1035 316 digits
n = 1137 346 digits
n = 1665 505 digits
n = 1705 517 digits
n = 1755 532 digits
n = 3555 1074 digits 1993 Jeffrey Young
n = 3841 1160 digits 1993 Jeffrey Young
n = 8115 2447 digits May 1996 Patrick Demichel
n = 8365 2522 digits
n = 8811 2657 digits
n = 13201 3978 digits
n = 13597 4097 digits
n = 14617 4404 digits
n = 15849 4775 digits
n = 19251 5799 digits
n = 20021 6031 digits
n = 25377 7643 digits
n = 25835 7781 digits
n = 29977 9028 digits
n = 32625 9825 digits
n = 51327 15455 digits
n = 54985 16556 digits
n = 62521 18825 digits
n = 80185 24142 digits
n = 113485 34167 digits
n = 119031 35836 digits
n = 254869 76727 digits
n = 484041 145715 digits Jan 2010 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 534035 160765 digits Jul 2010 Keith Pattenden; PSieve; srsieve; PrimeGrid; LLR
n = 610187 183689 digits Jan 2011 Daisuke Goto; PSieve; srsieve; PrimeGrid; LLR
n = 680901 204976 digits Aug 2011 Steve Engler; PSieve; srsieve; PrimeGrid; LLR
n = 742935 223650 digits Feb 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 966141 290842 digits Aug 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1018305 306544 digits Oct 2012 Tom Pepper; PSieve; srsieve; PrimeGrid; LLR
n = 1025961 308849 digits Oct 2012 Maik Rachow; PSieve; srsieve; PrimeGrid; LLR
n = 1091639 328620 digits May 2013 Larry Ryan; PSieve; srsieve; PrimeGrid; LLR
n = 1161697 349710 digits Sep 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1191867 358792 digits Oct 2013 Guillaume Jamet; PSieve; srsieve; PrimeGrid; LLR
n = 1571977 473216 digits Feb 2020 Tim Terry; PSieve; srsieve; PrimeGrid; LLR
n = 1641047 494009 digits Jun 2021 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 2202405 662994 digits Feb 2025 Charlie McDonald; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4351
max n: 2.373.139
n = 20 10 digits
n = 124 41 digits
n = 268 85 digits
n = 300 94 digits
n = 2644 800 digits
n = 16868 5082 digits
n = 54508 16413 digits
n = 189772 57131 digits
n = 220100 66261 digits
n = 257300 77459 digits
k: 4353
max n: 2.373.340
n = 1 4 digits
n = 5 6 digits
n = 10 7 digits
n = 49 19 digits
n = 94 32 digits
n = 104 35 digits
n = 154 50 digits
n = 229 73 digits
n = 230 73 digits
n = 280 88 digits
n = 994 303 digits
n = 1478 449 digits
n = 2254 683 digits
n = 4105 1240 digits 1993 Jeffrey Young
n = 4477 1352 digits 1993 Jeffrey Young
n = 6248 1885 digits
n = 6878 2075 digits Mar 1996 Patrick Demichel
n = 14686 4425 digits
n = 19310 5817 digits
n = 60997 18366 digits
n = 152794 46000 digits
n = 173560 52251 digits
n = 184010 55397 digits
n = 1180901 355491 digits Oct 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1686641 507734 digits Apr 2022 Pete Allivato; PPSE; PrimeGrid
k: 4355
max n: 2.372.564
n = 3 5 digits
n = 5 6 digits
n = 13 8 digits
n = 27 12 digits
n = 29 13 digits
n = 39 16 digits
n = 57 21 digits
n = 109 37 digits
n = 123 41 digits
n = 217 69 digits
n = 263 83 digits
n = 339 106 digits
n = 503 156 digits
n = 505 156 digits
n = 723 222 digits
n = 899 275 digits
n = 1017 310 digits
n = 1073 327 digits
n = 1137 346 digits
n = 2285 692 digits
n = 3765 1138 digits 1993 Jeffrey Young
n = 5883 1775 digits
n = 9117 2749 digits
n = 9553 2880 digits
n = 10367 3125 digits
n = 12429 3746 digits
n = 14723 4436 digits
n = 23997 7228 digits
n = 33413 10062 digits
n = 97653 29401 digits
n = 102965 31000 digits
n = 142219 42816 digits
n = 212597 64002 digits
n = 225389 67853 digits
n = 267437 80511 digits
n = 277349 83495 digits
n = 296083 89134 digits
n = 441693 132967 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 646119 194505 digits Feb 2011 Andrew Gockel; PSieve; srsieve; PrimeGrid; LLR
n = 823087 247778 digits Apr 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 951043 286297 digits Jul 2012 Masato Nose; PSieve; srsieve; PrimeGrid; LLR
n = 1452603 437281 digits Jul 2017 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1632303 491376 digits Feb 2021 Marc Wiseler; PSieve; srsieve; PrimeGrid; LLR
n = 2016093 606909 digits Dec 2024 Glenn Hall; PPSE; PrimeGrid
n = 2135413 642828 digits Jan 2025 John Hall; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4357
max n: 2.373.330
n = 6 6 digits
n = 12 8 digits
n = 44 17 digits
n = 68 25 digits
n = 78 28 digits
n = 156 51 digits
n = 314 99 digits
n = 458 142 digits
n = 546 169 digits
n = 806 247 digits
n = 1044 318 digits
n = 1322 402 digits
n = 1370 417 digits
n = 2778 840 digits
n = 32018 9643 digits
n = 45924 13829 digits
n = 103532 31170 digits
n = 109226 32884 digits
n = 3369572 1014346 digits Jun 2021 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4359
max n: 2.372.309
n = 1 4 digits
n = 9 7 digits
n = 13 8 digits
n = 18 10 digits
n = 22 11 digits
n = 33 14 digits
n = 55 21 digits
n = 75 27 digits
n = 79 28 digits
n = 81 29 digits
n = 139 46 digits
n = 166 54 digits
n = 195 63 digits
n = 226 72 digits
n = 321 101 digits
n = 421 131 digits
n = 511 158 digits
n = 558 172 digits
n = 895 274 digits
n = 1098 335 digits
n = 1195 364 digits
n = 1425 433 digits
n = 1771 537 digits
n = 2191 664 digits
n = 3654 1104 digits 1993 Jeffrey Young
n = 4159 1256 digits 1993 Jeffrey Young
n = 5251 1585 digits
n = 9259 2791 digits
n = 14022 4225 digits
n = 24706 7441 digits
n = 26194 7889 digits
n = 28254 8509 digits
n = 37111 11176 digits
n = 40353 12152 digits
n = 42981 12943 digits
n = 44401 13370 digits
n = 54750 16486 digits
n = 78849 23740 digits
n = 195921 58982 digits
n = 271233 81653 digits
n = 382849 115253 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 431442 129881 digits Dec 2012 Gary Harris; PPSE; PrimeGrid
n = 504390 151841 digits May 2010 Andrew Graham; PSieve; srsieve; PrimeGrid; LLR
n = 1383790 416566 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1394058 419657 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 4361
max n: 2.372.806
n = 7 6 digits
n = 9 7 digits
n = 27 12 digits
n = 89 31 digits
n = 123 41 digits
n = 139 46 digits
n = 147 48 digits
n = 167 54 digits
n = 267 85 digits
n = 343 107 digits
n = 735 225 digits
n = 807 247 digits
n = 827 253 digits
n = 2619 793 digits
n = 5635 1700 digits
n = 10859 3273 digits
n = 14247 4293 digits
n = 18873 5685 digits
n = 20899 6295 digits
n = 28135 8474 digits
n = 34763 10469 digits
n = 57623 17350 digits
n = 61087 18393 digits
n = 256195 77127 digits
n = 312555 94093 digits
n = 368663 110983 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 404439 121752 digits Aug 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 673927 202876 digits Jul 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 836335 251766 digits May 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1783739 536963 digits Dec 2023 Yuriy Brovarets; PPSE; PrimeGrid
k: 4363
max n: 2.373.009
n = 4 5 digits
n = 34 14 digits
n = 50 19 digits
n = 70 25 digits
n = 94 32 digits
n = 314 99 digits
n = 830 254 digits
n = 2074 628 digits
n = 3130 946 digits
n = 3350 1013 digits 1993 Jeffrey Young
n = 5920 1786 digits
n = 12110 3650 digits
n = 12550 3782 digits
n = 17714 5337 digits
n = 20084 6050 digits
n = 51074 15379 digits
n = 59930 18045 digits
n = 292200 87965 digits
n = 460534 138639 digits Jul 2009 Dean Cashen; srsieve; PrimeGrid; LLR
n = 1832296 551580 digits Jan 2024 Gregory Coscia; PPSE; PrimeGrid
n = 2229696 671210 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4365
max n: 2.372.834
n = 1 4 digits
n = 5 6 digits
n = 7 6 digits
n = 11 7 digits
n = 12 8 digits
n = 13 8 digits
n = 18 10 digits
n = 23 11 digits
n = 27 12 digits
n = 31 13 digits
n = 35 15 digits
n = 51 19 digits
n = 61 23 digits
n = 63 23 digits
n = 65 24 digits
n = 75 27 digits
n = 84 29 digits
n = 88 31 digits
n = 97 33 digits
n = 98 34 digits
n = 117 39 digits
n = 261 83 digits
n = 264 84 digits
n = 293 92 digits
n = 373 116 digits
n = 415 129 digits
n = 482 149 digits
n = 672 206 digits
n = 1265 385 digits
n = 1690 513 digits
n = 1955 593 digits
n = 2212 670 digits
n = 2508 759 digits
n = 2543 770 digits
n = 2765 836 digits
n = 2778 840 digits
n = 3363 1017 digits 1993 Jeffrey Young
n = 3531 1067 digits 1993 Jeffrey Young
n = 3575 1080 digits 1993 Jeffrey Young
n = 3595 1086 digits 1993 Jeffrey Young
n = 4871 1470 digits 1993 Jeffrey Young
n = 5945 1794 digits
n = 8157 2460 digits May 1996 Patrick Demichel
n = 10001 3015 digits Aug 1997 R. Eager; Proth
n = 10477 3158 digits
n = 11370 3427 digits
n = 13615 4103 digits
n = 16383 4936 digits Aug 1997 Kenneth J. Brazier; Proth
n = 17853 5378 digits Jul 1996 Patrick Demichel
n = 20643 6218 digits
n = 22305 6719 digits
n = 31426 9464 digits
n = 35027 10548 digits Feb 1999 Tadashi Taura; Proth
n = 37572 11314 digits
n = 38563 11613 digits
n = 38967 11734 digits
n = 45546 13715 digits
n = 55050 16576 digits
n = 65293 19659 digits
n = 84577 25464 digits
n = 128407 38658 digits
n = 129283 38922 digits
n = 133492 40189 digits
n = 134008 40345 digits
n = 141252 42525 digits
n = 144172 43404 digits
n = 149287 44944 digits
n = 271668 81784 digits
n = 424396 127760 digits Nov 2012 Jörg Meili; PPSE; PrimeGrid
n = 430581 129622 digits Dec 2012 Gary Harris; PPSE; PrimeGrid
n = 575587 173273 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 600348 180727 digits Jan 2011 Tsutomu Takeuchi; PSieve; srsieve; PrimeGrid; LLR
n = 1095615 329817 digits May 2013 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1835906 552667 digits Jan 2024 PPSE; PrimeGrid
n = 2063368 621140 digits Jan 2025 Jonathan Gehrke; PPSE; PrimeGrid
n = 3355770 1010192 digits Feb 2021 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3460914 1041843 digits Mar 2023 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4367
max n: 2.373.155
n = 715 219 digits
n = 1955 593 digits
n = 7915 2387 digits
n = 8227 2481 digits
n = 150019 45164 digits
k: 4369
max n: 2.373.302
n = 2 5 digits
n = 50 19 digits
n = 86 30 digits
n = 658 202 digits
n = 1450 441 digits
n = 1582 480 digits
n = 1598 485 digits
n = 3266 987 digits
n = 3398 1027 digits 1993 Jeffrey Young
n = 7906 2384 digits
n = 27062 8151 digits
n = 37546 11307 digits
n = 40858 12304 digits
n = 73642 22173 digits
n = 520298 156629 digits Jun 2010 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 1136770 342206 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1603642 482748 digits Sep 2020 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
k: 4371
max n: 2.372.668
n = 15 9 digits
n = 17 9 digits
n = 24 11 digits
n = 32 14 digits
n = 47 18 digits
n = 48 19 digits
n = 68 25 digits
n = 69 25 digits
n = 80 28 digits
n = 180 58 digits
n = 191 62 digits
n = 228 73 digits
n = 344 108 digits
n = 668 205 digits
n = 720 221 digits
n = 888 271 digits
n = 1517 461 digits
n = 1724 523 digits
n = 1775 538 digits
n = 2268 687 digits
n = 2351 712 digits
n = 2624 794 digits
n = 3440 1040 digits 1993 Jeffrey Young
n = 3489 1054 digits 1993 Jeffrey Young
n = 4575 1381 digits 1993 Jeffrey Young
n = 6204 1872 digits
n = 23160 6976 digits 1996 Patrick Demichel
n = 95244 28675 digits
n = 175820 52931 digits
n = 401760 120946 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 495881 149279 digits Apr 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 589328 177410 digits Dec 2010 Piotr Rakowski; PSieve; srsieve; PrimeGrid; LLR
n = 676824 203748 digits Sep 2011 Stefan Lichtenwimmer; PSieve; srsieve; PrimeGrid; LLR
n = 827624 249144 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 859361 258698 digits May 2012 Dave Sanny; PSieve; srsieve; PrimeGrid; LLR
n = 861551 259357 digits May 2012 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 2106111 634007 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2350560 707593 digits Mar 2026 Li Yawei; PPSE; PrimeGrid
k: 4373
max n: 2.373.409
n = 1 4 digits
n = 49 19 digits
n = 193 62 digits
n = 469 145 digits
n = 565 174 digits
n = 709 218 digits
n = 949 290 digits
n = 1525 463 digits
n = 37585 11318 digits
n = 58921 17741 digits
n = 91489 27545 digits
n = 107749 32440 digits
n = 492253 148187 digits Mar 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 587761 176938 digits Dec 2010 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
k: 4375
max n: 2.372.859
n = 4 5 digits
n = 6 6 digits
n = 8 7 digits
n = 10 7 digits
n = 18 10 digits
n = 20 10 digits
n = 40 16 digits
n = 48 19 digits
n = 96 33 digits
n = 134 44 digits
n = 164 54 digits
n = 196 63 digits
n = 220 70 digits
n = 230 73 digits
n = 274 87 digits
n = 356 111 digits
n = 424 132 digits
n = 498 154 digits
n = 736 226 digits
n = 1126 343 digits
n = 1186 361 digits
n = 1576 479 digits
n = 1628 494 digits
n = 4894 1477 digits 1993 Jeffrey Young
n = 5360 1618 digits
n = 8384 2528 digits May 1996 Patrick Demichel
n = 19414 5848 digits
n = 19418 5850 digits
n = 19814 5969 digits
n = 21858 6584 digits
n = 34724 10457 digits
n = 51696 15566 digits
n = 133060 40059 digits
n = 134904 40614 digits
n = 153966 46353 digits
n = 247374 74471 digits
n = 266180 80132 digits
n = 642254 193342 digits Feb 2011 Tony Hopman; PSieve; srsieve; PrimeGrid; LLR
n = 818300 246337 digits Apr 2012 Shane Phillips; PSieve; srsieve; PrimeGrid; LLR
n = 849514 255733 digits Apr 2012 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1214406 365577 digits Dec 2013 Dirk Dhuyvetters; PSieve; srsieve; PrimeGrid; LLR
n = 1780804 536080 digits Dec 2023 Vaughan Davies; PPSE; PrimeGrid
n = 2046416 616037 digits Jan 2025 PPSE; PrimeGrid
k: 4377
max n: 2.373.458
n = 2 5 digits
n = 6 6 digits
n = 8 7 digits
n = 11 7 digits
n = 15 9 digits
n = 16 9 digits
n = 31 13 digits
n = 38 16 digits
n = 56 21 digits
n = 86 30 digits
n = 123 41 digits
n = 146 48 digits
n = 206 66 digits
n = 231 74 digits
n = 379 118 digits
n = 648 199 digits
n = 791 242 digits
n = 1014 309 digits
n = 1046 319 digits
n = 1055 322 digits
n = 1495 454 digits
n = 1562 474 digits
n = 2094 634 digits
n = 3976 1201 digits 1993 Jeffrey Young
n = 4163 1257 digits 1993 Jeffrey Young
n = 6846 2065 digits Mar 1996 Patrick Demichel
n = 7967 2402 digits
n = 8363 2522 digits
n = 12348 3721 digits
n = 14667 4419 digits
n = 26246 7905 digits
n = 42064 12667 digits
n = 78678 23689 digits
n = 86415 26018 digits
n = 97108 29237 digits
n = 146836 44206 digits
n = 155876 46927 digits
n = 177846 53541 digits
n = 216474 65169 digits
n = 248083 74685 digits
n = 312795 94165 digits
n = 316076 95152 digits
n = 456708 137487 digits Jun 2009 Stefan Gronow; srsieve; PrimeGrid; LLR
n = 465264 140063 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 514658 154932 digits Jun 2010 Glen Martin; PSieve; srsieve; PrimeGrid; LLR
n = 596683 179624 digits Dec 2010 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 733316 220754 digits Feb 2012 Kalle Heiman; PSieve; srsieve; PrimeGrid; LLR
n = 867087 261023 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1088683 327730 digits Apr 2013 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1465195 441072 digits Jan 2018 Nayuta Ito; PSieve; srsieve; PrimeGrid; LLR
n = 1674551 504094 digits Feb 2022 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 2162214 650895 digits Feb 2025 Michael Bowe; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2346008 706223 digits Mar 2026 Ryan Propper; PPSE; PrimeGrid
k: 4379
max n: 2.373.266
n = 21 10 digits
n = 51 19 digits
n = 69 25 digits
n = 113 38 digits
n = 139 46 digits
n = 267 85 digits
n = 313 98 digits
n = 543 168 digits
n = 733 225 digits
n = 861 263 digits
n = 879 269 digits
n = 1561 474 digits
n = 1609 488 digits
n = 1887 572 digits
n = 2307 699 digits
n = 3901 1178 digits 1993 Jeffrey Young
n = 6691 2018 digits Mar 1996 Patrick Demichel
n = 9473 2856 digits
n = 9521 2870 digits
n = 22929 6906 digits
n = 25347 7634 digits
n = 27353 8238 digits
n = 28803 8675 digits
n = 29033 8744 digits
n = 31073 9358 digits
n = 31481 9481 digits
n = 52851 15914 digits
n = 125473 37775 digits
n = 195941 58988 digits
n = 655923 197457 digits Mar 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 698953 210410 digits Sep 2011 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 998681 300637 digits Sep 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4381
max n: 2.373.127
n = 16 9 digits
n = 28 13 digits
n = 44 17 digits
n = 184 60 digits
n = 272 86 digits
n = 460 143 digits
n = 520 161 digits
n = 688 211 digits
n = 5572 1681 digits
n = 35528 10699 digits
n = 50624 15243 digits
n = 61600 18548 digits
n = 447880 134829 digits Jan 2013 Michael Millerick; PPSE; PrimeGrid
n = 527488 158794 digits Jul 2010 Sakura Kinomoto; PSieve; srsieve; PrimeGrid; LLR
n = 749116 225511 digits Feb 2012 Gus Obermeyer; PSieve; srsieve; PrimeGrid; LLR
n = 1119452 336993 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 3449456 1038394 digits Jan 2023 Mike McDonald; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4383
max n: 2.372.713
n = 6 6 digits
n = 10 7 digits
n = 14 8 digits
n = 28 13 digits
n = 30 13 digits
n = 60 22 digits
n = 69 25 digits
n = 102 35 digits
n = 154 51 digits
n = 157 51 digits
n = 252 80 digits
n = 253 80 digits
n = 334 105 digits
n = 592 182 digits
n = 806 247 digits
n = 870 266 digits
n = 1688 512 digits
n = 2324 704 digits
n = 2460 745 digits
n = 4106 1240 digits 1993 Jeffrey Young
n = 5126 1547 digits
n = 6909 2084 digits Mar 1996 Patrick Demichel
n = 7593 2290 digits May 1996 Patrick Demichel
n = 13588 4095 digits
n = 15936 4801 digits
n = 16609 5004 digits
n = 18694 5632 digits Oct 1996 Patrick Demichel
n = 26450 7966 digits
n = 27906 8405 digits
n = 40110 12078 digits
n = 53222 16026 digits
n = 87566 26364 digits
n = 87770 26426 digits
n = 89794 27035 digits
n = 90553 27263 digits
n = 96765 29133 digits
n = 126930 38214 digits
n = 187914 56572 digits
n = 196034 59016 digits
n = 293348 88311 digits
n = 377329 113591 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 388640 116996 digits Jun 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 505764 152254 digits May 2010 Donald Hatland; PSieve; srsieve; PrimeGrid; LLR
n = 672694 202505 digits Jun 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 696333 209621 digits Sep 2011 Stephan Kirsten; PSieve; srsieve; PrimeGrid; LLR
n = 782964 235700 digits Mar 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 836304 251757 digits Apr 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1094862 329590 digits May 2013 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1791397 539268 digits Jan 2024 Luis DeJesus; PPSE; PrimeGrid
n = 2098185 631621 digits Jan 2025 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4385
max n: 2.372.783
n = 3 5 digits
n = 5 6 digits
n = 9 7 digits
n = 21 10 digits
n = 23 11 digits
n = 29 13 digits
n = 51 19 digits
n = 69 25 digits
n = 81 29 digits
n = 95 33 digits
n = 101 35 digits
n = 209 67 digits
n = 221 71 digits
n = 233 74 digits
n = 387 121 digits
n = 527 163 digits
n = 1049 320 digits
n = 2181 661 digits
n = 2595 785 digits
n = 5361 1618 digits
n = 7443 2245 digits May 1996 Patrick Demichel
n = 8069 2433 digits May 1996 Patrick Demichel
n = 10577 3188 digits
n = 11469 3457 digits
n = 13209 3980 digits
n = 24453 7365 digits Oct 1998 Baptiste Heyman; Proth
n = 28053 8449 digits
n = 28227 8501 digits
n = 31505 9488 digits
n = 40755 12273 digits
n = 47249 14228 digits
n = 68855 20732 digits Aug 2000 James Carpenter; Proth
n = 93417 28125 digits
n = 125949 37919 digits
n = 188429 56727 digits
n = 221481 66677 digits
n = 261833 78824 digits
n = 268013 80684 digits
n = 445457 134100 digits Jan 2013 Dr. James Scott Brown; PPSE; PrimeGrid
n = 559883 168546 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 758609 228368 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 925881 278722 digits Jun 2012 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 931289 280350 digits Jul 2012 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1381749 415952 digits Feb 2016 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 1513893 455731 digits Feb 2019 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1665207 501281 digits Feb 2022 Robert Lacroix; PSieve; srsieve; PrimeGrid; LLR
n = 1841163 554249 digits Jan 2024 Takeshi Nakamura; PPSE; PrimeGrid
k: 4387
max n: 2.372.631
n = 6 6 digits
n = 10 7 digits
n = 18 10 digits
n = 30 13 digits
n = 102 35 digits
n = 106 36 digits
n = 144 47 digits
n = 216 69 digits
n = 280 88 digits
n = 390 122 digits
n = 496 153 digits
n = 606 187 digits
n = 954 291 digits
n = 1194 364 digits
n = 1954 592 digits
n = 2278 690 digits
n = 2374 719 digits
n = 3250 982 digits
n = 3270 989 digits
n = 6174 1863 digits
n = 7104 2143 digits May 1996 Patrick Demichel
n = 40954 12333 digits
n = 63088 18996 digits
n = 303598 91396 digits
n = 348210 104826 digits Apr 2012 Rainer Emrich; PPSE; PrimeGrid
n = 754072 227002 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1179624 355106 digits Oct 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2122528 638949 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4389
max n: 2.373.094
n = 1 4 digits
n = 5 6 digits
n = 6 6 digits
n = 17 9 digits
n = 18 10 digits
n = 35 15 digits
n = 65 24 digits
n = 70 25 digits
n = 82 29 digits
n = 107 36 digits
n = 121 41 digits
n = 122 41 digits
n = 142 47 digits
n = 154 51 digits
n = 162 53 digits
n = 191 62 digits
n = 203 65 digits
n = 266 84 digits
n = 321 101 digits
n = 341 107 digits
n = 371 116 digits
n = 538 166 digits
n = 882 270 digits
n = 979 299 digits
n = 1293 393 digits
n = 1545 469 digits
n = 1762 535 digits
n = 2590 784 digits
n = 2710 820 digits
n = 3286 993 digits
n = 4465 1348 digits 1993 Jeffrey Young
n = 4690 1416 digits 1993 Jeffrey Young
n = 4817 1454 digits 1993 Jeffrey Young
n = 5581 1684 digits
n = 8207 2475 digits May 1996 Patrick Demichel
n = 10022 3021 digits
n = 10621 3201 digits
n = 21395 6445 digits
n = 26686 8037 digits
n = 33643 10132 digits Feb 1999 Tadashi Taura; Proth
n = 39581 11919 digits Nov 1998 Yves Gallot; Proth
n = 68195 20533 digits
n = 112486 33866 digits
n = 114646 34516 digits
n = 116747 35148 digits
n = 134317 40438 digits
n = 180522 54347 digits
n = 192965 58092 digits
n = 261727 78792 digits
n = 291055 87620 digits
n = 384713 115814 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 388675 117007 digits Jul 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 404682 121826 digits Aug 2012 Valter Cavecchia; PPSE; PrimeGrid
n = 606319 182524 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 615223 185205 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1042379 313791 digits Jan 2013 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1291081 388658 digits Sep 2014 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1457095 438633 digits Sep 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1626982 489775 digits Feb 2021 Detlef Lexut; PSieve; srsieve; PrimeGrid; LLR
n = 1730975 521080 digits Jan 2023 Sam Daykin; PPSE; PrimeGrid
k: 4391
max n: 2.372.804
n = 1 4 digits
n = 3 5 digits
n = 11 7 digits
n = 15 9 digits
n = 23 11 digits
n = 27 12 digits
n = 29 13 digits
n = 31 13 digits
n = 33 14 digits
n = 37 15 digits
n = 45 18 digits
n = 47 18 digits
n = 61 23 digits
n = 97 33 digits
n = 129 43 digits
n = 137 45 digits
n = 171 56 digits
n = 215 69 digits
n = 225 72 digits
n = 393 122 digits
n = 553 171 digits
n = 607 187 digits
n = 629 193 digits
n = 675 207 digits
n = 947 289 digits
n = 951 290 digits
n = 999 305 digits
n = 1269 386 digits
n = 1397 425 digits
n = 1481 450 digits
n = 1763 535 digits
n = 1917 581 digits
n = 2179 660 digits
n = 2669 808 digits
n = 4303 1299 digits 1993 Jeffrey Young
n = 4645 1402 digits 1993 Jeffrey Young
n = 5321 1606 digits
n = 8735 2634 digits
n = 9161 2762 digits
n = 11359 3424 digits
n = 12743 3840 digits
n = 14125 4256 digits
n = 15517 4675 digits
n = 15885 4786 digits
n = 15903 4791 digits
n = 18219 5489 digits
n = 29123 8771 digits
n = 41967 12637 digits
n = 45417 13676 digits
n = 64091 19297 digits
n = 157253 47342 digits
n = 261243 78646 digits
n = 264195 79535 digits
n = 382971 115290 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 478827 144145 digits Nov 2009 Robert Scullin; srsieve; PrimeGrid; LLR
n = 677363 203911 digits Aug 2011 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 771447 232233 digits Feb 2012 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1330413 400498 digits Apr 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1400279 421530 digits Mar 2016 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1640327 493792 digits Jun 2021 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1665999 501520 digits Feb 2022 Don Wellck; PSieve; srsieve; PrimeGrid; LLR
n = 1670883 502990 digits Feb 2022 Ian Dickinson; PSieve; srsieve; PrimeGrid; LLR
n = 1741853 524354 digits Apr 2023 Alexey Simbarsky; PPSE; PrimeGrid
n = 2204919 663751 digits Feb 2025 Greg Miller; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4393
max n: 2.372.815
n = 2 5 digits
n = 4 5 digits
n = 6 6 digits
n = 14 8 digits
n = 16 9 digits
n = 40 16 digits
n = 50 19 digits
n = 54 20 digits
n = 56 21 digits
n = 58 22 digits
n = 134 44 digits
n = 140 46 digits
n = 146 48 digits
n = 284 90 digits
n = 316 99 digits
n = 380 119 digits
n = 674 207 digits
n = 700 215 digits
n = 704 216 digits
n = 774 237 digits
n = 868 265 digits
n = 890 272 digits
n = 1172 357 digits
n = 2646 801 digits
n = 3178 961 digits
n = 4288 1295 digits 1993 Jeffrey Young
n = 5258 1587 digits
n = 6290 1898 digits
n = 9532 2874 digits
n = 9714 2928 digits
n = 11756 3543 digits
n = 32074 9659 digits
n = 74696 22490 digits
n = 93094 28028 digits
n = 111378 33532 digits
n = 179594 54067 digits
n = 180628 54379 digits
n = 212036 63833 digits
n = 459548 138342 digits Jun 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 695216 209285 digits Sep 2011 Siegfried Niklas; PSieve; srsieve; PrimeGrid; LLR
n = 864712 260308 digits May 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1075732 323832 digits Apr 2013 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 1182674 356024 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1329628 400262 digits Mar 2015 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1389368 418246 digits Feb 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2136404 643126 digits Jan 2025 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2144946 645697 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4395
max n: 2.372.872
n = 2 5 digits
n = 4 5 digits
n = 8 7 digits
n = 11 7 digits
n = 19 10 digits
n = 22 11 digits
n = 23 11 digits
n = 41 16 digits
n = 79 28 digits
n = 88 31 digits
n = 130 43 digits
n = 155 51 digits
n = 161 53 digits
n = 274 87 digits
n = 298 94 digits
n = 323 101 digits
n = 442 137 digits
n = 449 139 digits
n = 538 166 digits
n = 569 175 digits
n = 608 187 digits
n = 820 251 digits
n = 862 264 digits
n = 880 269 digits
n = 1138 347 digits
n = 1498 455 digits
n = 1510 459 digits
n = 1520 462 digits
n = 1864 565 digits
n = 1895 575 digits
n = 2450 742 digits
n = 2842 860 digits
n = 3025 915 digits
n = 4295 1297 digits 1993 Jeffrey Young
n = 4433 1339 digits 1993 Jeffrey Young
n = 5320 1606 digits
n = 5500 1660 digits
n = 5633 1700 digits
n = 6980 2105 digits Mar 1996 Patrick Demichel
n = 7528 2270 digits May 1996 Patrick Demichel
n = 7585 2287 digits May 1996 Patrick Demichel
n = 7820 2358 digits
n = 8122 2449 digits
n = 9088 2740 digits
n = 10054 3031 digits
n = 12779 3851 digits
n = 17744 5346 digits
n = 18520 5579 digits
n = 19244 5797 digits
n = 22910 6901 digits
n = 34904 10511 digits Feb 1999 Tadashi Taura; Proth
n = 41345 12450 digits
n = 41351 12452 digits
n = 46750 14077 digits
n = 61864 18627 digits Feb 1999 Tadashi Taura; Proth
n = 69019 20781 digits
n = 78553 23651 digits
n = 162008 48773 digits
n = 212854 64080 digits
n = 302392 91033 digits
n = 340612 102539 digits Apr 2012 Jörg Meili; PPSE; PrimeGrid
n = 444529 133821 digits Dec 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 474112 142726 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 484961 145992 digits Jan 2010 Brian Carpenter; PSieve; srsieve; PrimeGrid; LLR
n = 492994 148410 digits Mar 2010 Bjorn Lindberg; PSieve; srsieve; PrimeGrid; LLR
n = 507914 152901 digits May 2010 Bob Hurd; PSieve; srsieve; PrimeGrid; LLR
n = 521164 156890 digits Jul 2010 Lukas Hron; PSieve; srsieve; PrimeGrid; LLR
n = 677153 203848 digits Aug 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 725081 218275 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 800230 240897 digits Mar 2012 Antonia Domm; Dave Domm; PSieve; srsieve; PrimeGrid; LLR
n = 1356131 408240 digits Sep 2015 Yegor Ryabchikov; PSieve; srsieve; PrimeGrid; LLR
n = 1613771 485798 digits Jan 2021 Greg McDevitt; PSieve; srsieve; PrimeGrid; LLR
n = 2192524 660020 digits Feb 2025 Leon Bird; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3328588 1002009 digits Feb 2020 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
k: 4397
max n: 2.372.830
n = 11 7 digits
n = 27 12 digits
n = 55 21 digits
n = 63 23 digits
n = 83 29 digits
n = 91 32 digits
n = 187 60 digits
n = 195 63 digits
n = 411 128 digits
n = 911 278 digits
n = 967 295 digits
n = 995 304 digits
n = 3519 1063 digits 1993 Jeffrey Young
n = 3555 1074 digits 1993 Jeffrey Young
n = 3911 1181 digits 1993 Jeffrey Young
n = 5019 1515 digits
n = 11691 3523 digits
n = 76455 23019 digits
n = 111195 33477 digits
n = 130135 39179 digits
n = 156483 47110 digits
n = 156647 47160 digits
n = 358783 108009 digits May 2012 PPSE; PrimeGrid
n = 496367 149425 digits Apr 2010 Randy Wilson; PSieve; srsieve; PrimeGrid; LLR
k: 4399
max n: 2.372.953
n = 2 5 digits
n = 26 12 digits
n = 42 17 digits
n = 146 48 digits
n = 1002 306 digits
n = 9866 2974 digits
n = 21498 6476 digits
n = 392618 118194 digits Jul 2012 Patrick Schöfer; PPSE; PrimeGrid
k: 4401
max n: 2.372.832
n = 1 4 digits
n = 24 11 digits
n = 76 27 digits
n = 117 39 digits
n = 177 57 digits
n = 553 171 digits
n = 621 191 digits
n = 1021 311 digits
n = 1908 579 digits
n = 2091 634 digits
n = 2797 846 digits
n = 3192 965 digits
n = 3988 1205 digits 1993 Jeffrey Young
n = 7021 2118 digits Mar 1996 Patrick Demichel
n = 7083 2136 digits
n = 8773 2645 digits
n = 8829 2662 digits
n = 9448 2848 digits
n = 11809 3559 digits
n = 12289 3704 digits
n = 20233 6095 digits
n = 30169 9086 digits
n = 49848 15010 digits
n = 66699 20083 digits
n = 204829 61664 digits
n = 324976 97832 digits
n = 502789 151359 digits May 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 516097 155365 digits Jun 2010 Siegfried Niklas; PSieve; srsieve; PrimeGrid; LLR
n = 839749 252794 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1891441 569385 digits Feb 2024 Lukas Sandhop; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1925824 579735 digits Mar 2024 Drew Bishop; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3461476 1042012 digits Mar 2023 Ryan Propper; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4403
max n: 2.373.393
n = 1 4 digits
n = 5 6 digits
n = 13 8 digits
n = 29 13 digits
n = 73 26 digits
n = 85 30 digits
n = 101 35 digits
n = 129 43 digits
n = 185 60 digits
n = 2173 658 digits
n = 2421 733 digits
n = 2561 775 digits
n = 2841 859 digits
n = 3001 908 digits
n = 4361 1317 digits 1993 Jeffrey Young
n = 8733 2633 digits
n = 13585 4094 digits
n = 13861 4177 digits
n = 47369 14264 digits
n = 62345 18772 digits
n = 90869 27358 digits
n = 108729 32735 digits
n = 126065 37953 digits
n = 151285 45545 digits
n = 274241 82559 digits
n = 301013 90618 digits
n = 336625 101338 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 414501 124781 digits Oct 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 627553 188916 digits Feb 2011 Kevin D Puckett; PSieve; srsieve; PrimeGrid; LLR
n = 1596853 480705 digits Sep 2020 Lee Stephens; PSieve; srsieve; PrimeGrid; LLR
n = 1881701 566453 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2095613 630847 digits Jan 2025 Sascha Beat Dinkel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4405
max n: 2.372.621
n = 4 5 digits
n = 6 6 digits
n = 16 9 digits
n = 20 10 digits
n = 28 13 digits
n = 32 14 digits
n = 64 23 digits
n = 82 29 digits
n = 116 39 digits
n = 120 40 digits
n = 258 82 digits
n = 516 159 digits
n = 752 231 digits
n = 1028 314 digits
n = 1126 343 digits
n = 1226 373 digits
n = 1472 447 digits
n = 1762 535 digits
n = 1908 579 digits
n = 3384 1023 digits 1993 Jeffrey Young
n = 3640 1100 digits 1993 Jeffrey Young
n = 4058 1226 digits 1993 Jeffrey Young
n = 4118 1244 digits 1993 Jeffrey Young
n = 4626 1397 digits 1993 Jeffrey Young
n = 5048 1524 digits
n = 7892 2380 digits
n = 9864 2974 digits
n = 10376 3128 digits
n = 11050 3331 digits
n = 16046 4834 digits
n = 17446 5256 digits
n = 19276 5807 digits Oct 1996 Patrick Demichel
n = 55698 16771 digits
n = 56250 16937 digits
n = 71826 21626 digits
n = 80508 24239 digits
n = 86306 25985 digits
n = 106324 32011 digits
n = 129992 39136 digits
n = 191032 57511 digits
n = 198876 59872 digits
n = 211246 63596 digits
n = 244100 73486 digits
n = 300902 90585 digits
n = 515344 155138 digits Jun 2010 Piotr Malara; PSieve; srsieve; PrimeGrid; LLR
n = 609930 183611 digits Jan 2011 Brian Herbers; PSieve; srsieve; PrimeGrid; LLR
n = 641352 193070 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 739546 222630 digits Feb 2012 Michael Wild; PSieve; srsieve; PrimeGrid; LLR
n = 782902 235681 digits Mar 2012 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 835938 251647 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 849130 255618 digits Apr 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1006340 302943 digits Oct 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1033362 311077 digits Jan 2013 Birgit Guder; PSieve; srsieve; PrimeGrid; LLR
n = 1079688 325023 digits Apr 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1135918 341950 digits Aug 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1419028 427174 digits Aug 2016 Markus Tervooren; PSieve; srsieve; PrimeGrid; LLR
n = 1450906 436770 digits Jun 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 4407
max n: 2.372.714
n = 3 5 digits
n = 7 6 digits
n = 11 7 digits
n = 19 10 digits
n = 20 10 digits
n = 22 11 digits
n = 40 16 digits
n = 47 18 digits
n = 63 23 digits
n = 70 25 digits
n = 86 30 digits
n = 92 32 digits
n = 103 35 digits
n = 152 50 digits
n = 219 70 digits
n = 260 82 digits
n = 487 151 digits
n = 511 158 digits
n = 583 180 digits
n = 679 209 digits
n = 691 212 digits
n = 719 221 digits
n = 790 242 digits
n = 950 290 digits
n = 1160 353 digits
n = 1190 362 digits
n = 1547 470 digits
n = 1606 488 digits
n = 2039 618 digits
n = 2424 734 digits
n = 2475 749 digits
n = 3272 989 digits
n = 4524 1366 digits 1993 Jeffrey Young
n = 5679 1714 digits
n = 5939 1792 digits
n = 6700 2021 digits Mar 1996 Patrick Demichel
n = 8084 2438 digits May 1996 Patrick Demichel
n = 8104 2444 digits May 1996 Patrick Demichel
n = 9204 2775 digits
n = 11175 3368 digits
n = 11632 3506 digits
n = 13687 4124 digits
n = 15823 4767 digits
n = 16606 5003 digits
n = 23254 7004 digits
n = 29151 8779 digits
n = 34476 10382 digits
n = 42284 12733 digits
n = 42483 12793 digits
n = 43526 13107 digits
n = 62936 18950 digits Mar 1999 Tadashi Taura; Proth
n = 90502 27248 digits
n = 117187 35281 digits
n = 127740 38458 digits
n = 132867 40001 digits
n = 142943 43034 digits
n = 228304 68730 digits
n = 233686 70351 digits
n = 375323 112988 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 379772 114327 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 384420 115726 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 401084 120742 digits Jul 2012 Dirk Dhuyvetters; PPSE; PrimeGrid
n = 499567 150389 digits May 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 603740 181748 digits Jan 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 727246 218927 digits Feb 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1456904 438576 digits Sep 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1647615 495986 digits Oct 2021 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 3453195 1039519 digits Feb 2023 Vladislav Ketamino; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4409
max n: 2.372.784
n = 1 4 digits
n = 7 6 digits
n = 23 11 digits
n = 55 21 digits
n = 115 39 digits
n = 1051 321 digits
n = 1681 510 digits
n = 3511 1061 digits 1993 Jeffrey Young
n = 9121 2750 digits
n = 9491 2861 digits
n = 10751 3241 digits
n = 14003 4219 digits
n = 17911 5396 digits
n = 19993 6023 digits
n = 28415 8558 digits
n = 29713 8949 digits
n = 166031 49984 digits
n = 220825 66479 digits
n = 312671 94127 digits
n = 426895 128512 digits Nov 2012 PPSE; PrimeGrid
n = 802345 241534 digits Mar 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1529327 460377 digits Feb 2019 Bill Cavnaugh; PSieve; srsieve; PrimeGrid; LLR
k: 4411
max n: 2.373.300
n = 8 7 digits
n = 20 10 digits
n = 24 11 digits
n = 44 17 digits
n = 372 116 digits
n = 984 300 digits
n = 3608 1090 digits 1993 Jeffrey Young
n = 33572 10110 digits
n = 373836 112540 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 936636 281960 digits Jul 2012 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
k: 4413
max n: 2.372.632
n = 8 7 digits
n = 12 8 digits
n = 18 10 digits
n = 21 10 digits
n = 41 16 digits
n = 50 19 digits
n = 57 21 digits
n = 152 50 digits
n = 225 72 digits
n = 540 167 digits
n = 2505 758 digits
n = 2997 906 digits
n = 3345 1011 digits 1993 Jeffrey Young
n = 5625 1697 digits
n = 6353 1917 digits
n = 12045 3630 digits
n = 13770 4149 digits
n = 18470 5564 digits
n = 21386 6442 digits
n = 21885 6592 digits
n = 24470 7370 digits Dec 1998 Baptiste Heyman; Proth
n = 34020 10245 digits
n = 36293 10929 digits
n = 84302 25382 digits
n = 115130 34662 digits
n = 179841 54142 digits
n = 303722 91434 digits
n = 315638 95021 digits
n = 335948 101135 digits Apr 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 432690 130257 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 956789 288026 digits Aug 2012 Andy Cluer; PSieve; srsieve; PrimeGrid; LLR
n = 1183017 356128 digits Oct 2013 Johan Småros; PSieve; srsieve; PrimeGrid; LLR
n = 1389456 418272 digits Feb 2016 Eirik Lunner; PSieve; srsieve; PrimeGrid; LLR
n = 1404918 422927 digits May 2016 Hiroshi Yoshida; PSieve; srsieve; PrimeGrid; LLR
n = 1813049 545786 digits Jan 2024 Jonathan Seeley; PPSE; PrimeGrid
k: 4415
max n: 2.372.580
n = 1 4 digits
n = 25 12 digits
n = 265 84 digits
n = 1477 449 digits
n = 5065 1529 digits
n = 30885 9301 digits
n = 57241 17235 digits
n = 92241 27771 digits
n = 117981 35520 digits
n = 1441915 434064 digits Apr 2014 Kenneth Egtved Pedersen; srsieve; CRUS; OpenPFGW; LLR
k: 4417
max n: 2.372.637
n = 2 5 digits
n = 14 8 digits
n = 18 10 digits
n = 22 11 digits
n = 42 17 digits
n = 50 19 digits
n = 52 20 digits
n = 54 20 digits
n = 62 23 digits
n = 124 41 digits
n = 150 49 digits
n = 178 58 digits
n = 202 65 digits
n = 238 76 digits
n = 240 76 digits
n = 298 94 digits
n = 318 100 digits
n = 420 131 digits
n = 482 149 digits
n = 718 220 digits
n = 1010 308 digits
n = 1144 349 digits
n = 1190 362 digits
n = 1642 498 digits
n = 3138 949 digits
n = 4782 1444 digits 1993 Jeffrey Young
n = 5280 1594 digits
n = 9820 2960 digits
n = 10660 3213 digits
n = 15424 4647 digits
n = 28394 8552 digits
n = 50760 15284 digits
n = 98640 29698 digits
n = 160810 48413 digits
n = 209320 63016 digits
n = 223518 67290 digits
n = 418130 125874 digits Oct 2012 Brook Harste; PPSE; PrimeGrid
n = 464138 139724 digits Aug 2009 Jochen Beck; srsieve; PrimeGrid; LLR
n = 565770 170318 digits Oct 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 568618 171175 digits Nov 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 606444 182562 digits Jan 2011 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 835668 251565 digits Apr 2012 Sławomir Jagsz; PSieve; srsieve; PrimeGrid; LLR
n = 933434 280996 digits Jul 2012 Andreas Adolfsson; PSieve; srsieve; PrimeGrid; LLR
n = 1084978 326615 digits Apr 2013 Ross Romer; PSieve; srsieve; PrimeGrid; LLR
n = 1466962 441604 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
k: 4419
max n: 2.373.118
n = 1 4 digits
n = 3 5 digits
n = 9 7 digits
n = 10 7 digits
n = 19 10 digits
n = 37 15 digits
n = 38 16 digits
n = 67 24 digits
n = 70 25 digits
n = 90 31 digits
n = 95 33 digits
n = 114 38 digits
n = 166 54 digits
n = 234 75 digits
n = 283 89 digits
n = 318 100 digits
n = 450 140 digits
n = 453 141 digits
n = 473 147 digits
n = 598 184 digits
n = 981 299 digits
n = 1091 333 digits
n = 1161 354 digits
n = 1266 385 digits
n = 1577 479 digits
n = 2010 609 digits
n = 2641 799 digits
n = 2814 851 digits
n = 2914 881 digits
n = 3394 1026 digits 1993 Jeffrey Young
n = 3898 1178 digits 1993 Jeffrey Young
n = 4179 1262 digits 1993 Jeffrey Young
n = 4331 1308 digits 1993 Jeffrey Young
n = 4827 1457 digits 1993 Jeffrey Young
n = 4907 1481 digits 1993 Jeffrey Young
n = 5490 1657 digits
n = 5693 1718 digits
n = 7026 2119 digits Mar 1996 Patrick Demichel
n = 7030 2120 digits Mar 1996 Patrick Demichel
n = 10067 3035 digits
n = 11461 3454 digits
n = 13314 4012 digits
n = 14650 4414 digits Mar 1998 Baptiste Heyman; Proth
n = 15619 4706 digits
n = 16074 4843 digits
n = 16518 4977 digits
n = 19073 5746 digits
n = 28530 8593 digits
n = 29218 8800 digits
n = 32827 9886 digits
n = 35617 10726 digits
n = 36009 10844 digits
n = 38533 11604 digits
n = 40239 12117 digits
n = 44707 13462 digits
n = 54881 16525 digits
n = 60969 18358 digits
n = 67415 20298 digits
n = 74335 22381 digits
n = 101809 30652 digits
n = 107606 32397 digits
n = 146375 44067 digits
n = 196929 59286 digits
n = 222546 66997 digits
n = 230570 69413 digits
n = 305471 91960 digits
n = 316393 95248 digits
n = 538639 162151 digits Aug 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 611759 184162 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 885058 266433 digits May 2012 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 969971 291995 digits Aug 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1771821 533375 digits Nov 2023 Donald Hatland; PPSE; PrimeGrid
n = 2029851 611050 digits Dec 2024 Dawid Kwiatkowski; PPSE; PrimeGrid
n = 2180554 656416 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3351666 1008956 digits Feb 2021 Rene Schick; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4421
max n: 2.372.802
n = 7 6 digits
n = 9 7 digits
n = 21 10 digits
n = 33 14 digits
n = 57 21 digits
n = 69 25 digits
n = 89 31 digits
n = 91 32 digits
n = 147 48 digits
n = 213 68 digits
n = 223 71 digits
n = 353 110 digits
n = 455 141 digits
n = 645 198 digits
n = 845 259 digits
n = 1107 337 digits
n = 1177 358 digits
n = 1603 487 digits
n = 2005 608 digits
n = 3583 1083 digits 1993 Jeffrey Young
n = 3841 1160 digits 1993 Jeffrey Young
n = 13917 4194 digits
n = 23745 7152 digits
n = 25055 7546 digits
n = 25577 7704 digits
n = 37077 11165 digits
n = 43233 13019 digits
n = 59705 17977 digits
n = 251845 75817 digits
n = 445661 134161 digits Jan 2013 Jörg Meili; PPSE; PrimeGrid
n = 664847 200143 digits Apr 2011 Jeff Webster; PSieve; srsieve; PrimeGrid; LLR
n = 909215 273705 digits Jun 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1075133 323651 digits Apr 2013 Takeshi Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 1225063 368785 digits Jan 2014 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1339535 403244 digits Apr 2015 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1998981 601757 digits Sep 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4423
max n: 2.373.147
n = 4 5 digits
n = 20 10 digits
n = 100 34 digits
n = 164 54 digits
n = 166 54 digits
n = 226 72 digits
n = 272 86 digits
n = 620 191 digits
n = 1576 479 digits
n = 5860 1768 digits
n = 6164 1860 digits
n = 7714 2326 digits May 1996 Patrick Demichel
n = 11254 3392 digits May 1996 Patrick Demichel
n = 15128 4558 digits Jul 1997 Kenneth J. Brazier; Proth
n = 16820 5067 digits
n = 58024 17471 digits
n = 62914 18943 digits
n = 136304 41036 digits
n = 193564 58273 digits
n = 324946 97823 digits
n = 642512 193420 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 799568 240698 digits Mar 2012 Gregor Hesse; PSieve; srsieve; PrimeGrid; LLR
n = 826400 248775 digits Apr 2012 Matt Jurach; PSieve; srsieve; PrimeGrid; LLR
k: 4425
max n: 2.372.789
n = 3 5 digits
n = 5 6 digits
n = 11 7 digits
n = 14 8 digits
n = 19 10 digits
n = 20 10 digits
n = 24 11 digits
n = 25 12 digits
n = 30 13 digits
n = 38 16 digits
n = 39 16 digits
n = 48 19 digits
n = 51 19 digits
n = 55 21 digits
n = 58 22 digits
n = 64 23 digits
n = 65 24 digits
n = 98 34 digits
n = 109 37 digits
n = 114 38 digits
n = 118 40 digits
n = 183 59 digits
n = 229 73 digits
n = 234 75 digits
n = 266 84 digits
n = 290 91 digits
n = 299 94 digits
n = 336 105 digits
n = 438 136 digits
n = 566 175 digits
n = 745 228 digits
n = 823 252 digits
n = 830 254 digits
n = 1074 327 digits
n = 1876 569 digits
n = 1900 576 digits
n = 2239 678 digits
n = 2305 698 digits
n = 3359 1015 digits 1993 Jeffrey Young
n = 4098 1238 digits 1993 Jeffrey Young
n = 4126 1246 digits 1993 Jeffrey Young
n = 4615 1393 digits 1993 Jeffrey Young
n = 5900 1780 digits
n = 5995 1809 digits
n = 7658 2309 digits May 1996 Patrick Demichel
n = 8596 2592 digits May 1996 Patrick Demichel
n = 10396 3134 digits
n = 12326 3715 digits
n = 12928 3896 digits
n = 14720 4435 digits
n = 19148 5768 digits
n = 25121 7566 digits
n = 26456 7968 digits
n = 34025 10247 digits
n = 38906 11716 digits
n = 41216 12411 digits
n = 80056 24103 digits
n = 90178 27150 digits
n = 120276 36211 digits
n = 136999 41245 digits
n = 151483 45605 digits
n = 153030 46071 digits
n = 217444 65461 digits
n = 219664 66130 digits
n = 239988 72248 digits
n = 341551 102821 digits Apr 2012 Brian Carpenter; PPSE; PrimeGrid
n = 363960 109567 digits May 2012 PPSE; PrimeGrid
n = 367314 110577 digits May 2012 PPSE; PrimeGrid
n = 500070 150540 digits Apr 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 526506 158498 digits Jul 2010 Donald Hatland; PSieve; srsieve; PrimeGrid; LLR
n = 675613 203384 digits Sep 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 743455 223806 digits Feb 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 1086810 327167 digits Apr 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1670485 502870 digits Feb 2022 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1678803 505374 digits Mar 2022 PPSE; PrimeGrid
n = 1918084 577405 digits Feb 2024 Dusan Vykouril; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1919690 577888 digits Feb 2024 Jan Kožíšek; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2078054 625561 digits Jan 2025 Greg Miller; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2181900 656821 digits Feb 2025 Cédric Latge; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3332394 1003155 digits Apr 2020 Rob Gahan; PSieve; srsieve; PrimeGrid; LLR
k: 4427
max n: 2.373.014
n = 15 9 digits
n = 35 15 digits
n = 39 16 digits
n = 95 33 digits
n = 119 40 digits
n = 207 66 digits
n = 555 171 digits
n = 1235 376 digits
n = 5499 1660 digits
n = 8499 2563 digits
n = 11775 3549 digits
n = 12195 3675 digits
n = 17375 5235 digits
n = 64899 19541 digits
n = 276819 83335 digits
k: 4429
max n: 2.373.365
n = 342 107 digits
n = 29982 9030 digits
n = 563502 169635 digits Oct 2010 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
k: 4431
max n: 2.373.172
n = 1 4 digits
n = 3 5 digits
n = 5 6 digits
n = 12 8 digits
n = 17 9 digits
n = 45 18 digits
n = 57 21 digits
n = 67 24 digits
n = 72 26 digits
n = 105 36 digits
n = 117 39 digits
n = 231 74 digits
n = 337 106 digits
n = 343 107 digits
n = 485 150 digits
n = 501 155 digits
n = 641 197 digits
n = 931 284 digits
n = 1101 336 digits
n = 1947 590 digits
n = 2085 632 digits
n = 2816 852 digits
n = 3005 909 digits
n = 3233 977 digits
n = 3256 984 digits
n = 4036 1219 digits 1993 Jeffrey Young
n = 6296 1899 digits
n = 8080 2436 digits May 1996 Patrick Demichel
n = 9271 2795 digits
n = 11295 3404 digits
n = 11467 3456 digits
n = 12780 3851 digits
n = 13303 4009 digits
n = 13416 4043 digits
n = 15175 4572 digits
n = 15820 4766 digits
n = 18228 5491 digits
n = 18597 5602 digits
n = 23472 7070 digits
n = 29217 8799 digits
n = 37421 11269 digits
n = 39197 11804 digits
n = 43432 13078 digits
n = 56793 17101 digits
n = 64227 19338 digits
n = 129411 38961 digits
n = 130997 39438 digits
n = 142573 42923 digits
n = 196921 59283 digits
n = 222711 67047 digits
n = 275936 83069 digits
n = 289265 87082 digits
n = 451183 135824 digits May 2009 Robert M Weis; srsieve; PrimeGrid; LLR
n = 561111 168915 digits Oct 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 629271 189434 digits Feb 2011 Tetsuya Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 654843 197132 digits Mar 2011 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 765320 230388 digits Feb 2012 Rik de Graaff; PSieve; srsieve; PrimeGrid; LLR
n = 1040085 313101 digits Jan 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1139213 342941 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2307655 694678 digits Sep 2025 PPSE; PrimeGrid
k: 4433
max n: 2.372.960
n = 1 4 digits
n = 153 50 digits
n = 169 55 digits
n = 213 68 digits
n = 309 97 digits
n = 457 142 digits
n = 493 153 digits
n = 525 162 digits
n = 729 224 digits
n = 749 230 digits
n = 1009 308 digits
n = 6937 2092 digits Mar 1996 Patrick Demichel
n = 7137 2153 digits May 1996 Patrick Demichel
n = 8613 2597 digits May 1996 Patrick Demichel
n = 11609 3499 digits
n = 13629 4107 digits
n = 18313 5517 digits
n = 21161 6374 digits
n = 25045 7543 digits
n = 63825 19217 digits
n = 148201 44617 digits
n = 201205 60573 digits
n = 213417 64249 digits
n = 353005 106269 digits May 2012 David Yost; PPSE; PrimeGrid
n = 670433 201825 digits Jun 2011 Reuben Gathright; PSieve; srsieve; PrimeGrid; LLR
n = 919009 276653 digits Jun 2012 Chen Hsun Chang; PSieve; srsieve; PrimeGrid; LLR
n = 1684697 507148 digits Apr 2022 Jakub Kocój; PPSE; PrimeGrid
n = 2286525 688317 digits Jun 2025 Kai Presler; PPSE; PrimeGrid
k: 4435
max n: 2.372.831
n = 26 12 digits
n = 28 13 digits
n = 72 26 digits
n = 232 74 digits
n = 352 110 digits
n = 360 113 digits
n = 368 115 digits
n = 388 121 digits
n = 550 170 digits
n = 860 263 digits
n = 1620 492 digits
n = 1980 600 digits
n = 2920 883 digits
n = 5002 1510 digits
n = 5216 1574 digits
n = 5286 1595 digits
n = 7342 2214 digits May 1996 Patrick Demichel
n = 12152 3662 digits
n = 14520 4375 digits
n = 20142 6067 digits
n = 31386 9452 digits
n = 82130 24728 digits
n = 124586 37508 digits
n = 138688 41753 digits
n = 177926 53565 digits
n = 196196 59065 digits
n = 203328 61212 digits
n = 305216 91883 digits
n = 593422 178642 digits Dec 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 692608 208500 digits Sep 2011 Alexey Tarasov; PSieve; srsieve; PrimeGrid; LLR
n = 704206 211991 digits Sep 2011 Howard Gordon; PSieve; srsieve; PrimeGrid; LLR
k: 4437
max n: 2.372.887
n = 2 5 digits
n = 7 6 digits
n = 8 7 digits
n = 20 10 digits
n = 22 11 digits
n = 70 25 digits
n = 107 36 digits
n = 152 50 digits
n = 346 108 digits
n = 440 137 digits
n = 458 142 digits
n = 562 173 digits
n = 10628 3203 digits
n = 78590 23662 digits
n = 432962 130339 digits Dec 2012 Michael Millerick; PPSE; PrimeGrid
n = 500348 150624 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 605419 182253 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
k: 4439
max n: 2.372.662
n = 5 6 digits
n = 7 6 digits
n = 55 21 digits
n = 71 26 digits
n = 103 35 digits
n = 127 42 digits
n = 305 96 digits
n = 367 115 digits
n = 399 124 digits
n = 455 141 digits
n = 605 186 digits
n = 799 245 digits
n = 1231 375 digits
n = 1351 411 digits
n = 1545 469 digits
n = 3113 941 digits
n = 3885 1174 digits 1993 Jeffrey Young
n = 4015 1213 digits 1993 Jeffrey Young
n = 4877 1472 digits 1993 Jeffrey Young
n = 5465 1649 digits
n = 7661 2310 digits May 1996 Patrick Demichel
n = 10543 3178 digits
n = 16509 4974 digits
n = 38599 11624 digits
n = 46479 13996 digits
n = 55269 16642 digits
n = 57439 17295 digits
n = 148239 44629 digits
n = 237581 71523 digits
n = 344573 103731 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 1070327 322205 digits Apr 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1852481 557656 digits Jan 2024 Fred Roberts; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4441
max n: 2.372.659
n = 8 7 digits
n = 80 28 digits
n = 188 61 digits
n = 216 69 digits
n = 420 131 digits
n = 468 145 digits
n = 836 256 digits
n = 6524 1968 digits
n = 8388 2529 digits
n = 8528 2571 digits
n = 18008 5425 digits
n = 19400 5844 digits
n = 174468 52524 digits
n = 225504 67888 digits
n = 2232888 672170 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4443
max n: 2.372.936
n = 1 4 digits
n = 4 5 digits
n = 9 7 digits
n = 21 10 digits
n = 22 11 digits
n = 45 18 digits
n = 54 20 digits
n = 82 29 digits
n = 121 41 digits
n = 133 44 digits
n = 313 98 digits
n = 522 161 digits
n = 525 162 digits
n = 658 202 digits
n = 1141 348 digits
n = 1776 539 digits
n = 2209 669 digits
n = 3046 921 digits
n = 3108 940 digits
n = 3904 1179 digits 1993 Jeffrey Young
n = 4834 1459 digits 1993 Jeffrey Young
n = 5269 1590 digits
n = 5286 1595 digits
n = 5629 1699 digits
n = 14898 4489 digits
n = 24474 7372 digits Jan 1999 Baptiste Heyman; Proth
n = 27378 8246 digits
n = 31869 9598 digits
n = 53076 15982 digits
n = 92136 27740 digits
n = 182068 54812 digits
n = 189453 57035 digits
n = 329956 99331 digits
n = 486372 146417 digits Jan 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 631114 189988 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 687754 207039 digits Aug 2011 Jakub Łuszczek; PSieve; srsieve; PrimeGrid; LLR
n = 789909 237790 digits Apr 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1007232 303211 digits Oct 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1918981 577675 digits Feb 2024 Vladislav Ketamino; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2155389 648841 digits Feb 2025 Sascha Beat Dinkel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4445
max n: 2.373.202
n = 13 8 digits
n = 363 113 digits
n = 371 116 digits
n = 3071 929 digits
n = 3277 991 digits
n = 3751 1133 digits 1993 Jeffrey Young
n = 5831 1759 digits
n = 7119 2147 digits May 1996 Patrick Demichel
n = 10717 3230 digits
n = 12159 3664 digits
n = 15483 4665 digits
n = 22323 6724 digits
n = 81831 24638 digits
n = 111621 33605 digits
n = 198451 59744 digits
n = 209483 63065 digits
n = 257587 77546 digits
n = 327159 98489 digits
n = 563311 169578 digits Oct 2010 Sergey Lovov; PSieve; srsieve; PrimeGrid; LLR
n = 881351 265317 digits May 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1670823 502972 digits Feb 2022 Frank Matillek; PSieve; srsieve; PrimeGrid; LLR
n = 2320451 698530 digits Nov 2025 Glenn Hall; PPSE; PrimeGrid
k: 4447
max n: 2.372.833
n = 2 5 digits
n = 4 5 digits
n = 8 7 digits
n = 10 7 digits
n = 14 8 digits
n = 24 11 digits
n = 28 13 digits
n = 32 14 digits
n = 46 18 digits
n = 52 20 digits
n = 96 33 digits
n = 106 36 digits
n = 134 44 digits
n = 158 52 digits
n = 192 62 digits
n = 208 67 digits
n = 232 74 digits
n = 314 99 digits
n = 324 102 digits
n = 348 109 digits
n = 374 117 digits
n = 432 134 digits
n = 496 153 digits
n = 528 163 digits
n = 796 244 digits
n = 808 247 digits
n = 1024 312 digits
n = 1546 470 digits
n = 2090 633 digits
n = 3230 976 digits
n = 5216 1574 digits
n = 8384 2528 digits May 1996 Patrick Demichel
n = 8820 2659 digits
n = 11078 3339 digits
n = 12512 3771 digits
n = 13680 4122 digits
n = 14498 4368 digits
n = 26736 8052 digits
n = 26974 8124 digits
n = 32464 9777 digits
n = 39036 11755 digits
n = 39638 11936 digits
n = 50424 15183 digits
n = 52522 15815 digits
n = 53572 16131 digits
n = 60230 18135 digits
n = 78524 23642 digits
n = 91336 27499 digits
n = 141182 42504 digits
n = 173410 52206 digits
n = 268238 80752 digits
n = 273336 82286 digits
n = 377036 113503 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 563410 169607 digits Oct 2010 James Winskill; PSieve; srsieve; PrimeGrid; LLR
n = 839160 252616 digits Apr 2012 Oleksandr Vynogradov; PSieve; srsieve; PrimeGrid; LLR
n = 924788 278393 digits Jun 2012 Kelvin Lewis; PSieve; srsieve; PrimeGrid; LLR
n = 1433280 431464 digits Jan 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1481968 446121 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 1828688 550494 digits Jan 2024 Mark Stahl; PPSE; PrimeGrid
n = 1942444 584738 digits Mar 2024 Brandon Wharton; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1973968 594228 digits Jun 2024 Sabrina Tarson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2337536 703673 digits Jan 2026 Kai Presler; PPSE; PrimeGrid
k: 4449
max n: 2.372.988
n = 3 5 digits
n = 5 6 digits
n = 6 6 digits
n = 9 7 digits
n = 13 8 digits
n = 23 11 digits
n = 29 13 digits
n = 39 16 digits
n = 49 19 digits
n = 53 20 digits
n = 82 29 digits
n = 90 31 digits
n = 153 50 digits
n = 166 54 digits
n = 193 62 digits
n = 225 72 digits
n = 327 103 digits
n = 805 246 digits
n = 1097 334 digits
n = 1157 352 digits
n = 2334 707 digits
n = 2370 718 digits
n = 2994 905 digits
n = 3214 972 digits
n = 3345 1011 digits 1993 Jeffrey Young
n = 4285 1294 digits 1993 Jeffrey Young
n = 4407 1331 digits 1993 Jeffrey Young
n = 4883 1474 digits 1993 Jeffrey Young
n = 5593 1688 digits
n = 10745 3239 digits
n = 11343 3419 digits May 1996 Patrick Demichel
n = 16979 5115 digits
n = 22857 6885 digits 1996 Patrick Demichel
n = 26993 8130 digits
n = 39910 12018 digits
n = 46245 13925 digits
n = 68769 20706 digits
n = 106655 32111 digits
n = 139450 41983 digits
n = 140953 42435 digits
n = 213210 64187 digits
n = 360677 108579 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 423287 127426 digits Nov 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 547218 164733 digits Sep 2010 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 549633 165460 digits Sep 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 852642 256675 digits May 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 1241866 373843 digits Jan 2014 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1333506 401429 digits Apr 2015 Scott Bedenbaugh; PSieve; srsieve; PrimeGrid; LLR
n = 1403167 422400 digits Apr 2016 Robert L. Clark; PSieve; srsieve; PrimeGrid; LLR
k: 4451
max n: 2.373.379
n = 5 6 digits
n = 7 6 digits
n = 13 8 digits
n = 19 10 digits
n = 31 13 digits
n = 77 27 digits
n = 247 79 digits
n = 289 91 digits
n = 313 98 digits
n = 367 115 digits
n = 553 171 digits
n = 787 241 digits
n = 835 256 digits
n = 1301 396 digits
n = 1423 433 digits
n = 1789 543 digits
n = 2779 841 digits
n = 3325 1005 digits 1993 Jeffrey Young
n = 10957 3303 digits
n = 12211 3680 digits
n = 12697 3826 digits
n = 18581 5598 digits
n = 19067 5744 digits
n = 108851 32772 digits
n = 365207 109942 digits May 2012 PPSE; PrimeGrid
n = 379279 114179 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 1197727 360556 digits Nov 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1661905 500287 digits Feb 2022 Greg Walsh; PSieve; srsieve; PrimeGrid; LLR
k: 4453
max n: 2.373.107
n = 4 5 digits
n = 44 17 digits
n = 54 20 digits
n = 92 32 digits
n = 170 55 digits
n = 722 221 digits
n = 1618 491 digits
n = 2204 668 digits
n = 10438 3146 digits
n = 18606 5605 digits
n = 20038 6036 digits
n = 28294 8521 digits
n = 32342 9740 digits
n = 47426 14281 digits
n = 58620 17651 digits
n = 230474 69384 digits
n = 334286 100634 digits Apr 2012 Sami Heikkila; PPSE; PrimeGrid
n = 692162 208366 digits Sep 2011 Takeshi Nakamura; PSieve; srsieve; PrimeGrid; LLR
n = 769466 231636 digits Feb 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 906866 272998 digits Jun 2012 Takeshi Watanabe; PSieve; srsieve; PrimeGrid; LLR
n = 1171702 352722 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1208534 363809 digits Dec 2013 Stefan Ruch; PSieve; srsieve; PrimeGrid; LLR
n = 1812698 545681 digits Jan 2024 Christian Wallbaum; PPSE; PrimeGrid
n = 1854362 558223 digits Jan 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4455
max n: 2.372.774
n = 6 6 digits
n = 11 7 digits
n = 14 8 digits
n = 15 9 digits
n = 26 12 digits
n = 35 15 digits
n = 47 18 digits
n = 95 33 digits
n = 99 34 digits
n = 111 38 digits
n = 126 42 digits
n = 129 43 digits
n = 131 44 digits
n = 158 52 digits
n = 183 59 digits
n = 186 60 digits
n = 197 63 digits
n = 206 66 digits
n = 243 77 digits
n = 614 189 digits
n = 650 200 digits
n = 839 257 digits
n = 875 268 digits
n = 978 299 digits
n = 984 300 digits
n = 1043 318 digits
n = 1062 324 digits
n = 1086 331 digits
n = 2126 644 digits
n = 2343 709 digits
n = 2670 808 digits
n = 2838 858 digits
n = 2984 902 digits
n = 3594 1086 digits 1993 Jeffrey Young
n = 4023 1215 digits 1993 Jeffrey Young
n = 5111 1543 digits
n = 5643 1703 digits
n = 7503 2263 digits May 1996 Patrick Demichel
n = 8943 2696 digits
n = 9474 2856 digits
n = 9507 2866 digits
n = 13263 3997 digits
n = 14832 4469 digits
n = 17586 5298 digits
n = 22287 6713 digits
n = 22928 6906 digits
n = 29912 9009 digits
n = 31706 9549 digits
n = 37343 11246 digits
n = 41346 12451 digits Mar 1999 Tadashi Taura; Proth
n = 57839 17415 digits
n = 58464 17604 digits
n = 63626 19157 digits
n = 75270 22663 digits
n = 97481 29349 digits Oct 2001 Harrison R. Brown; Proth
n = 100682 30312 digits Oct 2001 Harrison R. Brown; Proth
n = 105419 31738 digits Oct 2001 Harrison R. Brown; Proth
n = 210590 63398 digits
n = 258464 77810 digits
n = 308867 92982 digits
n = 522650 157337 digits Jul 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 591395 178032 digits Dec 2010 Joshua Brandelle Sklare; PSieve; srsieve; PrimeGrid; LLR
n = 677250 203877 digits Aug 2011 Gergely Papp; PSieve; srsieve; PrimeGrid; LLR
n = 720567 216916 digits Nov 2011 Michael R. McPherson; PSieve; srsieve; PrimeGrid; LLR
n = 756611 227767 digits Feb 2012 Tom Pepper; PSieve; srsieve; PrimeGrid; LLR
n = 786594 236793 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 929877 279925 digits Jul 2012 Boris Tassou; PSieve; srsieve; PrimeGrid; LLR
n = 1027041 309174 digits Oct 2012 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 1032146 310711 digits Jan 2013 Lee Francke; PSieve; srsieve; PrimeGrid; LLR
n = 1238519 372836 digits Jan 2014 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1262558 380072 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1380320 415522 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1386975 417525 digits Feb 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1517775 456900 digits Feb 2019 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
n = 1696358 510659 digits Jun 2022 Honza Cholt; PPSE; PrimeGrid
n = 2110314 635272 digits Jan 2025 Jonathan Seeley; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4457
max n: 2.372.658
n = 7 6 digits
n = 27 12 digits
n = 67 24 digits
n = 115 39 digits
n = 211 68 digits
n = 1099 335 digits
n = 1251 381 digits
n = 5203 1570 digits
n = 6007 1812 digits
n = 16195 4879 digits
n = 28879 8698 digits
n = 1145199 344743 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 4459
max n: 2.372.833
n = 2 5 digits
n = 6 6 digits
n = 18 10 digits
n = 34 14 digits
n = 38 16 digits
n = 78 28 digits
n = 126 42 digits
n = 138 46 digits
n = 206 66 digits
n = 318 100 digits
n = 810 248 digits
n = 1046 319 digits
n = 2114 641 digits
n = 2690 814 digits
n = 3074 930 digits
n = 6326 1908 digits
n = 8730 2632 digits
n = 13030 3927 digits
n = 17422 5249 digits
n = 21598 6506 digits
n = 26962 8121 digits
n = 33206 10000 digits Apr 1998 Richard Jones; Proth
n = 50450 15191 digits
n = 53090 15986 digits
n = 80346 24191 digits
n = 99326 29904 digits
n = 114742 34545 digits
n = 343154 103304 digits Apr 2012 Andreas Kelm; PPSE; PrimeGrid
n = 420706 126649 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 600522 180779 digits Jan 2011 Brian Herbers; PSieve; srsieve; PrimeGrid; LLR
n = 636302 191550 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 665098 200219 digits Apr 2011 Robert Kopaczyk; PSieve; srsieve; PrimeGrid; LLR
n = 665622 200376 digits Apr 2011 Michał Kamiński; PSieve; srsieve; PrimeGrid; LLR
n = 763658 229888 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1282766 386155 digits Jun 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1838898 553568 digits Jan 2024 Jonathan Seeley; PPSE; PrimeGrid
k: 4461
max n: 2.372.499
n = 1 4 digits
n = 8 7 digits
n = 9 7 digits
n = 13 8 digits
n = 15 9 digits
n = 19 10 digits
n = 40 16 digits
n = 45 18 digits
n = 51 20 digits
n = 64 23 digits
n = 71 26 digits
n = 131 44 digits
n = 145 48 digits
n = 153 50 digits
n = 199 64 digits
n = 247 79 digits
n = 291 92 digits
n = 543 168 digits
n = 764 234 digits
n = 981 299 digits
n = 1063 324 digits
n = 1621 492 digits
n = 2425 734 digits
n = 2652 802 digits
n = 3189 964 digits
n = 3571 1079 digits 1993 Jeffrey Young
n = 3799 1148 digits 1993 Jeffrey Young
n = 4269 1289 digits 1993 Jeffrey Young
n = 4824 1456 digits 1993 Jeffrey Young
n = 6591 1988 digits
n = 7644 2305 digits
n = 7955 2399 digits
n = 8124 2450 digits May 1996 Patrick Demichel
n = 8551 2578 digits May 1996 Patrick Demichel
n = 13939 4200 digits
n = 16683 5026 digits
n = 21195 6384 digits
n = 41491 12494 digits
n = 43960 13237 digits
n = 59749 17990 digits
n = 83221 25056 digits
n = 100787 30344 digits
n = 135235 40714 digits
n = 159033 47878 digits
n = 205188 61772 digits
n = 544507 163917 digits Aug 2010 Michael Herman; PSieve; srsieve; PrimeGrid; LLR
n = 564323 169882 digits Oct 2010 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 687331 206911 digits Aug 2011 Masato Nose; PSieve; srsieve; PrimeGrid; LLR
n = 954669 287388 digits Aug 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1096539 330095 digits May 2013 Jedidiah OBrien; PSieve; srsieve; PrimeGrid; LLR
n = 1309563 394222 digits Feb 2015 Jason McManus; PSieve; srsieve; PrimeGrid; LLR
n = 1373291 413406 digits Jan 2016 Marek Wasiel; PSieve; srsieve; PrimeGrid; LLR
n = 1930171 581044 digits Mar 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4463
max n: 2.372.672
n = 9 7 digits
n = 33 14 digits
n = 129 43 digits
n = 193 62 digits
n = 4457 1346 digits 1993 Jeffrey Young
n = 5329 1608 digits
n = 6313 1905 digits
n = 51769 15588 digits
n = 303873 91479 digits
n = 411129 123766 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 412753 124255 digits Sep 2012 Adrian Schori; PPSE; PrimeGrid
n = 428969 129137 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 3396657 1022500 digits Feb 2022 Will Steinbach; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4465
max n: 2.373.346
n = 16 9 digits
n = 52 20 digits
n = 104 35 digits
n = 134 44 digits
n = 266 84 digits
n = 274 87 digits
n = 406 126 digits
n = 602 185 digits
n = 4064 1228 digits 1993 Jeffrey Young
n = 6074 1833 digits
n = 7036 2122 digits Mar 1996 Patrick Demichel
n = 12508 3769 digits
n = 33724 10156 digits
n = 47344 14256 digits
n = 62366 18778 digits
n = 69466 20915 digits
n = 78062 23503 digits
n = 85636 25783 digits
n = 339314 102148 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
k: 4467
max n: 2.372.169
n = 4 5 digits
n = 7 6 digits
n = 24 11 digits
n = 52 20 digits
n = 83 29 digits
n = 90 31 digits
n = 124 41 digits
n = 128 43 digits
n = 167 54 digits
n = 223 71 digits
n = 252 80 digits
n = 362 113 digits
n = 371 116 digits
n = 488 151 digits
n = 528 163 digits
n = 708 217 digits
n = 1234 376 digits
n = 1516 461 digits
n = 1528 464 digits
n = 1546 470 digits
n = 2272 688 digits
n = 2351 712 digits
n = 2544 770 digits
n = 3647 1102 digits 1993 Jeffrey Young
n = 3776 1141 digits 1993 Jeffrey Young
n = 5532 1669 digits
n = 7187 2168 digits May 1996 Patrick Demichel
n = 16682 5026 digits
n = 16987 5118 digits
n = 22018 6632 digits 1996 Patrick Demichel
n = 36763 11071 digits
n = 42354 12754 digits
n = 48066 14473 digits
n = 48803 14695 digits
n = 73612 22164 digits
n = 86266 25973 digits
n = 206858 62275 digits
n = 208712 62833 digits
n = 256920 77345 digits
n = 526250 158421 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 587058 176726 digits Dec 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 610580 183807 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 721591 217225 digits Nov 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 780546 234972 digits Feb 2012 Andrew Mennerich; PSieve; srsieve; PrimeGrid; LLR
n = 1082308 325811 digits Apr 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1808848 544522 digits Jan 2024 Honza Cholt; PPSE; PrimeGrid
n = 1882148 566587 digits Feb 2024 Tom Kledzik; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2062100 620758 digits Jan 2025 Louis Meuler; PPSE; PrimeGrid
n = 2097200 631324 digits Jan 2025 Glenn Hall; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2099323 631963 digits Jan 2025 Gregory Bennett; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3484204 1048854 digits Oct 2023 Charles Jackson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4469
max n: 2.373.140
n = 3 5 digits
n = 75 27 digits
n = 195 63 digits
n = 741 227 digits
n = 915 280 digits
n = 1059 323 digits
n = 1163 354 digits
n = 2513 761 digits
n = 2961 896 digits
n = 3861 1166 digits 1993 Jeffrey Young
n = 3933 1188 digits 1993 Jeffrey Young
n = 30435 9166 digits
n = 33305 10030 digits
n = 36965 11132 digits
n = 53121 15995 digits
n = 93405 28122 digits
n = 150221 45225 digits
n = 175355 52791 digits
n = 267323 80476 digits
n = 987789 297358 digits Sep 2012 Casimir Ksiazek III; PSieve; srsieve; PrimeGrid; LLR
n = 1851105 557242 digits Jan 2024 John Hall; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4471
max n: 2.373.039
n = 4 5 digits
n = 16 9 digits
n = 47428 14281 digits
n = 172552 51947 digits
n = 479644 144391 digits Oct 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 1636168 492540 digits May 2021 Hironori Oya; PSieve; srsieve; PrimeGrid; LLR
k: 4473
max n: 2.372.841
n = 4 5 digits
n = 5 6 digits
n = 9 7 digits
n = 17 9 digits
n = 26 12 digits
n = 53 20 digits
n = 76 27 digits
n = 85 30 digits
n = 92 32 digits
n = 104 35 digits
n = 110 37 digits
n = 164 54 digits
n = 172 56 digits
n = 182 59 digits
n = 197 63 digits
n = 236 75 digits
n = 305 96 digits
n = 356 111 digits
n = 446 138 digits
n = 494 153 digits
n = 569 175 digits
n = 604 186 digits
n = 640 197 digits
n = 757 232 digits
n = 764 234 digits
n = 769 236 digits
n = 933 285 digits
n = 1301 396 digits
n = 1361 414 digits
n = 1476 448 digits
n = 3749 1133 digits 1993 Jeffrey Young
n = 4244 1282 digits 1993 Jeffrey Young
n = 7401 2232 digits
n = 9125 2751 digits
n = 11352 3421 digits
n = 12017 3622 digits
n = 12806 3859 digits
n = 13109 3950 digits
n = 14885 4485 digits
n = 16353 4927 digits
n = 29216 8799 digits
n = 45616 13736 digits
n = 48816 14699 digits
n = 52561 15827 digits
n = 53452 16095 digits
n = 78016 23489 digits
n = 83445 25124 digits
n = 92745 27923 digits
n = 178492 53736 digits
n = 219756 66157 digits
n = 431572 129920 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 1329061 400091 digits Mar 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1429916 430452 digits Dec 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1505630 453244 digits Nov 2018 Brent Thorson; PSieve; srsieve; PrimeGrid; LLR
n = 1675244 504303 digits Feb 2022 Bill Cavnaugh; PSieve; srsieve; PrimeGrid; LLR
n = 1894337 570256 digits Feb 2024 William Van Dingenen; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2147325 646413 digits Feb 2025 Art Bisschop; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4475
max n: 2.372.772
n = 1 4 digits
n = 3 5 digits
n = 7 6 digits
n = 15 9 digits
n = 23 11 digits
n = 25 12 digits
n = 43 17 digits
n = 61 23 digits
n = 77 27 digits
n = 85 30 digits
n = 171 56 digits
n = 207 66 digits
n = 213 68 digits
n = 485 150 digits
n = 487 151 digits
n = 525 162 digits
n = 721 221 digits
n = 737 226 digits
n = 893 273 digits
n = 967 295 digits
n = 1055 322 digits
n = 1145 349 digits
n = 1603 487 digits
n = 1947 590 digits
n = 3871 1169 digits 1993 Jeffrey Young
n = 4683 1414 digits 1993 Jeffrey Young
n = 5025 1517 digits
n = 9343 2817 digits
n = 11105 3347 digits
n = 13525 4076 digits
n = 18173 5475 digits
n = 22827 6876 digits
n = 23455 7065 digits
n = 43073 12970 digits
n = 57845 17417 digits
n = 62637 18860 digits
n = 130057 39155 digits
n = 218183 65684 digits
n = 259405 78093 digits
n = 290665 87503 digits
n = 585783 176342 digits Nov 2010 Mike Ingram; PSieve; srsieve; PrimeGrid; LLR
n = 599273 180403 digits Jan 2011 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 720093 216774 digits Nov 2011 John Chadwick; PSieve; srsieve; PrimeGrid; LLR
n = 758751 228411 digits Feb 2012 Dennis Chi; PSieve; srsieve; PrimeGrid; LLR
n = 856963 257976 digits May 2012 Shinya Matsuo; PSieve; srsieve; PrimeGrid; LLR
n = 1147827 345535 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1717993 517172 digits Nov 2022 Greg Miller; PPSE; PrimeGrid
n = 2069935 623117 digits Jan 2025 Mark Williams; PPSE; PrimeGrid
n = 2346937 706503 digits Mar 2026 Sebastien Deram; PPSE; PrimeGrid
k: 4477
max n: 2.373.039
n = 2 5 digits
n = 4 5 digits
n = 14 8 digits
n = 18 10 digits
n = 20 10 digits
n = 26 12 digits
n = 64 23 digits
n = 106 36 digits
n = 122 41 digits
n = 134 44 digits
n = 182 59 digits
n = 196 63 digits
n = 248 79 digits
n = 340 107 digits
n = 366 114 digits
n = 380 119 digits
n = 420 131 digits
n = 434 135 digits
n = 522 161 digits
n = 530 164 digits
n = 698 214 digits
n = 1246 379 digits
n = 1332 405 digits
n = 1518 461 digits
n = 1688 512 digits
n = 1910 579 digits
n = 2062 625 digits
n = 2330 706 digits
n = 2554 773 digits
n = 2800 847 digits
n = 2932 887 digits
n = 2992 905 digits
n = 3706 1120 digits 1993 Jeffrey Young
n = 5096 1538 digits
n = 5986 1806 digits
n = 8586 2589 digits May 1996 Patrick Demichel
n = 9420 2840 digits
n = 10914 3290 digits
n = 11236 3387 digits May 1996 Patrick Demichel
n = 24250 7304 digits
n = 35042 10553 digits
n = 39780 11979 digits
n = 40666 12246 digits
n = 41946 12631 digits
n = 64444 19404 digits
n = 74282 22365 digits
n = 78014 23489 digits
n = 85228 25660 digits
n = 90946 27382 digits
n = 110166 33167 digits
n = 165930 49954 digits
n = 243898 73425 digits
n = 262318 78970 digits
n = 266794 80317 digits
n = 307996 92720 digits
n = 449426 135295 digits Jan 2013 Gary Craig; PPSE; PrimeGrid
n = 552986 166470 digits Sep 2010 Axel Pfeiffer; PSieve; srsieve; PrimeGrid; LLR
n = 624364 187956 digits Feb 2011 Kevin P Erickson; PSieve; srsieve; PrimeGrid; LLR
n = 865734 260616 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1035364 311680 digits Jan 2013 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1221814 367807 digits Dec 2013 Ruslan Pisarev; PSieve; srsieve; PrimeGrid; LLR
n = 1273732 383436 digits May 2014 Michele T. Mazzucato; PSieve; srsieve; PrimeGrid; LLR
n = 1785386 537459 digits Dec 2023 Pete D'Amico; PPSE; PrimeGrid
n = 2146938 646297 digits Jan 2025 Thorsten Sambale; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2228550 670865 digits Feb 2025 Greg Miller; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3395786 1022238 digits Feb 2022 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4479
max n: 2.373.166
n = 5 6 digits
n = 158 52 digits
n = 215 69 digits
n = 250 79 digits
n = 1079 329 digits
n = 9133 2753 digits
n = 12023 3623 digits
n = 12743 3840 digits
n = 23290 7015 digits
n = 23530 7087 digits 1996 Patrick Demichel
n = 24197 7288 digits
n = 51877 15621 digits
n = 194387 58520 digits
n = 226618 68223 digits
n = 254170 76517 digits
n = 463885 139647 digits Jul 2009 Marco Micheli; srsieve; PrimeGrid; LLR
k: 4481
max n: 2.372.870
n = 1 4 digits
n = 7 6 digits
n = 11 7 digits
n = 19 10 digits
n = 27 12 digits
n = 29 13 digits
n = 35 15 digits
n = 37 15 digits
n = 57 21 digits
n = 101 35 digits
n = 117 39 digits
n = 125 42 digits
n = 179 58 digits
n = 237 75 digits
n = 249 79 digits
n = 485 150 digits
n = 681 209 digits
n = 1017 310 digits
n = 1077 328 digits
n = 1091 333 digits
n = 1237 377 digits
n = 1257 383 digits
n = 1335 406 digits
n = 2469 747 digits
n = 3307 1000 digits 1993 Jeffrey Young
n = 6111 1844 digits
n = 7901 2383 digits
n = 9661 2912 digits
n = 16969 5112 digits
n = 17809 5365 digits Jul 1996 Patrick Demichel
n = 18497 5572 digits
n = 21451 6462 digits
n = 23397 7047 digits
n = 28271 8515 digits
n = 67825 20422 digits
n = 85799 25832 digits
n = 96405 29025 digits
n = 146131 43994 digits
n = 207961 62607 digits
n = 229395 69059 digits
n = 230409 69364 digits
n = 369529 111243 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 389297 117194 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 408107 122857 digits Aug 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 636047 191473 digits Feb 2011 Ben Rhodes; PSieve; srsieve; PrimeGrid; LLR
n = 654527 197036 digits Mar 2011 Steven F. Bohl; PSieve; srsieve; PrimeGrid; LLR
n = 957661 288289 digits Aug 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4483
max n: 2.372.629
n = 12 8 digits
n = 24 11 digits
n = 78 28 digits
n = 128 43 digits
n = 204 66 digits
n = 240 76 digits
n = 674 207 digits
n = 944 288 digits
n = 1178 359 digits
n = 1202 366 digits
n = 1734 526 digits
n = 3602 1088 digits 1993 Jeffrey Young
n = 26474 7974 digits
n = 50340 15158 digits
n = 60014 18070 digits
n = 62882 18934 digits
n = 87234 26264 digits
n = 127968 38526 digits
n = 480932 144779 digits Nov 2009 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 511964 154121 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 703202 211689 digits Sep 2011 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 783482 235856 digits Mar 2012 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 1630680 490888 digits Feb 2021 Frederik Schiøler; PSieve; srsieve; PrimeGrid; LLR
n = 1714638 516162 digits Oct 2022 Dr. James Scott Brown; PPSE; PrimeGrid
n = 1807950 544251 digits Jan 2024 Kai Presler; PPSE; PrimeGrid
n = 3324048 1000642 digits Sep 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 4485
max n: 2.372.939
n = 1 4 digits
n = 4 5 digits
n = 7 6 digits
n = 10 7 digits
n = 13 8 digits
n = 16 9 digits
n = 24 11 digits
n = 28 13 digits
n = 30 13 digits
n = 34 14 digits
n = 148 49 digits
n = 175 57 digits
n = 183 59 digits
n = 427 133 digits
n = 825 253 digits
n = 979 299 digits
n = 1057 322 digits
n = 1099 335 digits
n = 1144 349 digits
n = 1213 369 digits
n = 1351 411 digits
n = 1513 460 digits
n = 2734 827 digits
n = 3028 916 digits
n = 3208 970 digits
n = 3238 979 digits
n = 3988 1205 digits 1993 Jeffrey Young
n = 4270 1290 digits 1993 Jeffrey Young
n = 8227 2481 digits
n = 10437 3146 digits
n = 11413 3440 digits
n = 13879 4182 digits
n = 16408 4943 digits
n = 21013 6330 digits
n = 28554 8600 digits
n = 49198 14814 digits
n = 63684 19175 digits
n = 65154 19617 digits
n = 74481 22425 digits
n = 82180 24743 digits
n = 95016 28607 digits
n = 173089 52109 digits
n = 179154 53935 digits
n = 816096 245674 digits Apr 2012 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 886467 266857 digits May 2012 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 1357135 408542 digits Sep 2015 Andrew M Farrow; PSieve; srsieve; PrimeGrid; LLR
n = 2064355 621437 digits Jan 2025 Jonathan Gehrke; PPSE; PrimeGrid
n = 3324900 1000899 digits Oct 2019 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
k: 4487
max n: 2.372.834
n = 3 5 digits
n = 11 7 digits
n = 15 9 digits
n = 19 10 digits
n = 59 22 digits
n = 139 46 digits
n = 183 59 digits
n = 255 81 digits
n = 459 142 digits
n = 895 274 digits
n = 1571 477 digits
n = 2031 616 digits
n = 2099 636 digits
n = 2755 833 digits
n = 5639 1702 digits
n = 5739 1732 digits
n = 14275 4301 digits
n = 18463 5562 digits
n = 19839 5976 digits Oct 1996 Patrick Demichel
n = 69131 20815 digits
n = 111395 33537 digits
n = 153483 46207 digits
n = 196871 59268 digits
n = 231879 69807 digits
n = 278999 83991 digits
n = 282883 85160 digits
n = 500775 150752 digits May 2009 Payam Samidoost; FermFact; LLR; OpenPFGW
n = 680303 204796 digits Aug 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 823211 247815 digits Apr 2012 Tom Flowers; PSieve; srsieve; PrimeGrid; LLR
n = 1886723 567964 digits Feb 2024 Jan Kožíšek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4489
max n: 2.373.233
n = 2 5 digits
n = 6 6 digits
n = 14 8 digits
n = 18 10 digits
n = 342 107 digits
n = 398 124 digits
n = 1130 344 digits
n = 3418 1033 digits 1993 Jeffrey Young
n = 3506 1060 digits 1993 Jeffrey Young
n = 4142 1251 digits 1993 Jeffrey Young
n = 11014 3320 digits
n = 120722 36345 digits
n = 126930 38214 digits
n = 171454 51617 digits
n = 2064650 621526 digits Jan 2025 LeRoy Blanchard; PPSE; PrimeGrid
k: 4491
max n: 2.372.764
n = 12 8 digits
n = 16 9 digits
n = 40 16 digits
n = 52 20 digits
n = 56 21 digits
n = 65 24 digits
n = 81 29 digits
n = 115 39 digits
n = 132 44 digits
n = 139 46 digits
n = 140 46 digits
n = 195 63 digits
n = 236 75 digits
n = 812 249 digits
n = 879 269 digits
n = 940 287 digits
n = 1272 387 digits
n = 1344 409 digits
n = 1972 598 digits
n = 2272 688 digits
n = 2532 766 digits
n = 2976 900 digits
n = 4332 1308 digits 1993 Jeffrey Young
n = 5255 1586 digits
n = 5755 1737 digits
n = 6652 2007 digits Mar 1996 Patrick Demichel
n = 7535 2272 digits May 1996 Patrick Demichel
n = 8832 2663 digits
n = 11544 3479 digits
n = 13335 4018 digits May 1993 Jeffrey Young
n = 19064 5743 digits
n = 25161 7578 digits
n = 36616 11027 digits
n = 73575 22152 digits
n = 105456 31750 digits
n = 105720 31829 digits
n = 118079 35549 digits
n = 151396 45579 digits
n = 161904 48742 digits
n = 182419 54918 digits
n = 212895 64092 digits
n = 257376 77482 digits
n = 286409 86222 digits
n = 419415 126261 digits Oct 2012 Bart Kus; PPSE; PrimeGrid
n = 473155 142438 digits Oct 2009 Jeff Morales; srsieve; PrimeGrid; LLR
n = 791469 238260 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1172925 353090 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1493004 449443 digits Jun 2018 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 1719959 517763 digits Nov 2022 Patrick Schöfer; PPSE; PrimeGrid
n = 1743819 524946 digits May 2023 A.J. Crime; PPSE; PrimeGrid
k: 4493
max n: 2.373.292
n = 13 8 digits
n = 25 12 digits
n = 53 20 digits
n = 173 56 digits
n = 997 304 digits
n = 16357 4928 digits
n = 1162237 349872 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 4495
max n: 2.372.891
n = 2 5 digits
n = 6 6 digits
n = 12 8 digits
n = 22 11 digits
n = 74 26 digits
n = 100 34 digits
n = 204 66 digits
n = 302 95 digits
n = 314 99 digits
n = 340 107 digits
n = 690 212 digits
n = 926 283 digits
n = 2146 650 digits
n = 2740 829 digits
n = 2932 887 digits
n = 3966 1198 digits 1993 Jeffrey Young
n = 4154 1255 digits 1993 Jeffrey Young
n = 4464 1348 digits 1993 Jeffrey Young
n = 4694 1417 digits 1993 Jeffrey Young
n = 4920 1485 digits 1993 Jeffrey Young
n = 4946 1493 digits 1993 Jeffrey Young
n = 6312 1904 digits
n = 8590 2590 digits May 1996 Patrick Demichel
n = 11160 3364 digits
n = 11644 3509 digits
n = 15420 4646 digits
n = 50062 15074 digits
n = 54690 16467 digits
n = 55374 16673 digits
n = 57782 17398 digits
n = 112800 33960 digits
n = 161520 48627 digits
n = 211404 63643 digits
n = 229020 68946 digits
n = 322202 96997 digits
n = 371270 111768 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 377206 113554 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 486012 146308 digits Jan 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 524100 157774 digits Jul 2010 Alan J Hidy; PSieve; srsieve; PrimeGrid; LLR
n = 680292 204792 digits Aug 2011 Charley Gielkens; PSieve; srsieve; PrimeGrid; LLR
n = 783516 235866 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1178820 354864 digits Oct 2013 Jeff Odom; PSieve; srsieve; PrimeGrid; LLR
n = 1484706 446945 digits Mar 2018 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 2239444 674144 digits Feb 2025 Bill Michael; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2367756 712770 digits May 2026 Ryan Propper; PPSE; PrimeGrid
k: 4497
max n: 2.372.833
n = 2 5 digits
n = 3 5 digits
n = 8 7 digits
n = 11 7 digits
n = 14 8 digits
n = 15 9 digits
n = 18 10 digits
n = 23 11 digits
n = 54 20 digits
n = 68 25 digits
n = 74 26 digits
n = 92 32 digits
n = 102 35 digits
n = 152 50 digits
n = 182 59 digits
n = 183 59 digits
n = 210 67 digits
n = 414 129 digits
n = 507 157 digits
n = 603 186 digits
n = 758 232 digits
n = 771 236 digits
n = 908 277 digits
n = 2391 724 digits
n = 2511 760 digits
n = 2660 805 digits
n = 2823 854 digits
n = 3843 1161 digits 1993 Jeffrey Young
n = 3963 1197 digits 1993 Jeffrey Young
n = 5850 1765 digits
n = 6987 2107 digits Mar 1996 Patrick Demichel
n = 8754 2639 digits
n = 9644 2907 digits
n = 11420 3442 digits
n = 15614 4704 digits
n = 23720 7145 digits
n = 27038 8143 digits
n = 33620 10125 digits
n = 58347 17568 digits
n = 62375 18781 digits
n = 65456 19708 digits
n = 118047 35540 digits
n = 162414 48896 digits
n = 203775 61347 digits
n = 221222 66599 digits
n = 254312 76560 digits
n = 261002 78574 digits
n = 338682 101958 digits Apr 2012 Ulf Riedl; PPSE; PrimeGrid
n = 359667 108275 digits May 2012 James Boerner; PPSE; PrimeGrid
n = 468536 141048 digits Sep 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 506375 152438 digits May 2010 Donald Hatland; PSieve; srsieve; PrimeGrid; LLR
n = 521898 157111 digits Jul 2010 David Glogau; PSieve; srsieve; PrimeGrid; LLR
n = 909815 273886 digits Jun 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1126431 339094 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1237934 372659 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 4499
max n: 2.372.762
n = 1 4 digits
n = 3 5 digits
n = 9 7 digits
n = 19 10 digits
n = 21 10 digits
n = 25 12 digits
n = 33 14 digits
n = 73 26 digits
n = 91 32 digits
n = 141 47 digits
n = 153 50 digits
n = 217 69 digits
n = 301 95 digits
n = 475 147 digits
n = 487 151 digits
n = 1347 410 digits
n = 2431 736 digits
n = 2607 789 digits
n = 4567 1379 digits 1993 Jeffrey Young
n = 4749 1434 digits 1993 Jeffrey Young
n = 4969 1500 digits 1993 Jeffrey Young
n = 5131 1549 digits
n = 5449 1644 digits
n = 5607 1692 digits
n = 5859 1768 digits
n = 6819 2057 digits Mar 1996 Patrick Demichel
n = 14019 4224 digits
n = 24411 7353 digits Jun 1998 Baptiste Heyman; Proth
n = 32535 9798 digits
n = 93447 28135 digits
n = 159603 48049 digits
n = 173955 52370 digits
n = 215773 64958 digits
n = 273753 82412 digits
n = 436593 131432 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 446391 134381 digits Jan 2013 Ulrich Fries; PPSE; PrimeGrid
n = 927099 279089 digits Jun 2012 Boris Tassou; PSieve; srsieve; PrimeGrid; LLR
n = 1319145 397106 digits Feb 2015 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 2339397 704233 digits Jan 2026 PPSE; PrimeGrid
k: 4501
max n: 2.372.971
n = 12 8 digits
n = 16 9 digits
n = 28 13 digits
n = 40 16 digits
n = 96 33 digits
n = 100 34 digits
n = 128 43 digits
n = 156 51 digits
n = 392 122 digits
n = 528 163 digits
n = 3332 1007 digits 1993 Jeffrey Young
n = 5952 1796 digits
n = 8708 2626 digits May 1996 Patrick Demichel
n = 19028 5732 digits Oct 1996 Patrick Demichel
n = 24640 7422 digits
n = 26196 7890 digits
n = 26288 7918 digits
n = 1084076 326344 digits Apr 2013 Choi Yooil; PSieve; srsieve; PrimeGrid; LLR
n = 1247696 375598 digits Feb 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 4503
max n: 2.372.083
n = 1 4 digits
n = 2 5 digits
n = 12 8 digits
n = 18 10 digits
n = 29 13 digits
n = 52 20 digits
n = 58 22 digits
n = 60 22 digits
n = 68 25 digits
n = 80 28 digits
n = 108 37 digits
n = 152 50 digits
n = 190 61 digits
n = 224 72 digits
n = 264 84 digits
n = 296 93 digits
n = 488 151 digits
n = 509 157 digits
n = 524 162 digits
n = 826 253 digits
n = 1060 323 digits
n = 1104 336 digits
n = 1136 346 digits
n = 1345 409 digits
n = 1642 498 digits
n = 1669 507 digits
n = 1786 542 digits
n = 1888 572 digits
n = 2024 613 digits
n = 2080 630 digits
n = 2152 652 digits
n = 2496 756 digits
n = 3198 967 digits
n = 3341 1010 digits 1993 Jeffrey Young
n = 3708 1120 digits 1993 Jeffrey Young
n = 4052 1224 digits 1993 Jeffrey Young
n = 4597 1388 digits 1993 Jeffrey Young
n = 4704 1420 digits 1993 Jeffrey Young
n = 6914 2085 digits Mar 1996 Patrick Demichel
n = 7522 2269 digits May 1996 Patrick Demichel
n = 7848 2367 digits
n = 9764 2943 digits
n = 10190 3072 digits
n = 11350 3421 digits
n = 12889 3884 digits
n = 16001 4821 digits Aug 1997 Andy Penrose; Proth
n = 22430 6756 digits
n = 25856 7788 digits
n = 29926 9013 digits
n = 30582 9210 digits
n = 38129 11482 digits
n = 43558 13116 digits
n = 47100 14183 digits
n = 48556 14621 digits
n = 55008 16563 digits
n = 57954 17450 digits Mar 1999 Tadashi Taura; Proth
n = 77998 23484 digits
n = 96422 29030 digits
n = 145918 43930 digits
n = 158636 47758 digits
n = 176722 53203 digits
n = 205478 61859 digits
n = 238762 71879 digits
n = 244810 73699 digits
n = 247272 74440 digits
n = 274381 82601 digits
n = 348264 104842 digits Apr 2012 Rainer Emrich; PPSE; PrimeGrid
n = 414262 124709 digits Oct 2012 PPSE; PrimeGrid
n = 430664 129647 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 509962 153518 digits Jun 2010 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 572845 172448 digits Nov 2010 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 615090 185165 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 793234 238791 digits Mar 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 806425 242762 digits Mar 2012 Danny Cooper; PSieve; srsieve; PrimeGrid; LLR
n = 959585 288868 digits Aug 2012 JensOla Ekström; PSieve; srsieve; PrimeGrid; LLR
n = 1007064 303161 digits Oct 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1278517 384876 digits Jun 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1436222 432350 digits Feb 2017 Jozef Janoska; PSieve; srsieve; PrimeGrid; LLR
n = 1816001 546675 digits Jan 2024 Stefan Larsson; PPSE; PrimeGrid
n = 1885316 567541 digits Feb 2024 Wolfgang Schwieger; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4505
max n: 2.372.864
n = 1 4 digits
n = 5 6 digits
n = 9 7 digits
n = 15 9 digits
n = 17 9 digits
n = 41 16 digits
n = 45 18 digits
n = 99 34 digits
n = 125 42 digits
n = 263 83 digits
n = 863 264 digits
n = 939 287 digits
n = 1655 502 digits
n = 2249 681 digits
n = 2375 719 digits
n = 2461 745 digits
n = 4391 1326 digits 1993 Jeffrey Young
n = 4745 1433 digits 1993 Jeffrey Young
n = 4943 1492 digits 1993 Jeffrey Young
n = 6089 1837 digits
n = 11547 3480 digits
n = 11581 3490 digits
n = 16263 4900 digits
n = 20449 6160 digits
n = 38735 11665 digits
n = 53721 16176 digits
n = 135641 40836 digits
n = 643227 193635 digits Feb 2011 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 644807 194110 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 700371 210837 digits Jan 2010 Brian Carpenter; PSieve; srsieve; PrimeGrid; LLR
n = 914569 275317 digits Jun 2012 Wouter de Vries; PSieve; srsieve; PrimeGrid; LLR
n = 920105 276983 digits Jun 2012 Sławomir Jagsz; PSieve; srsieve; PrimeGrid; LLR
n = 1876091 564764 digits Feb 2024 Marius Vultur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2128685 640802 digits Jan 2025 Jonathan Gehrke; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4507
max n: 2.373.424
n = 16 9 digits
n = 38 16 digits
n = 56 21 digits
n = 74 26 digits
n = 80 28 digits
n = 170 55 digits
n = 950 290 digits
n = 1454 442 digits
n = 2678 810 digits
n = 48074 14476 digits
n = 369464 111224 digits May 2012 PPSE; PrimeGrid
n = 393638 118501 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 401354 120824 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
k: 4509
max n: 2.372.634
n = 3 5 digits
n = 5 6 digits
n = 6 6 digits
n = 7 6 digits
n = 9 7 digits
n = 15 9 digits
n = 19 10 digits
n = 33 14 digits
n = 37 15 digits
n = 43 17 digits
n = 101 35 digits
n = 109 37 digits
n = 115 39 digits
n = 117 39 digits
n = 118 40 digits
n = 206 66 digits
n = 213 68 digits
n = 271 86 digits
n = 286 90 digits
n = 315 99 digits
n = 321 101 digits
n = 817 250 digits
n = 1437 437 digits
n = 1713 520 digits
n = 2527 765 digits
n = 3142 950 digits
n = 4065 1228 digits 1993 Jeffrey Young
n = 4382 1323 digits 1993 Jeffrey Young
n = 6039 1822 digits
n = 6739 2033 digits
n = 9849 2969 digits
n = 10171 3066 digits
n = 17577 5295 digits
n = 18379 5537 digits Oct 1996 Patrick Demichel
n = 24523 7386 digits
n = 30033 9045 digits Jan 1998 Kenneth J. Brazier; Proth
n = 36007 10843 digits Mar 1999 Tadashi Taura; Proth
n = 48678 14658 digits
n = 55971 16853 digits
n = 62091 18695 digits
n = 171649 51676 digits
n = 191517 57657 digits
n = 241423 72680 digits
n = 242105 72885 digits
n = 312934 94207 digits
n = 356091 107198 digits May 2012 James Boerner; PPSE; PrimeGrid
n = 609077 183355 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1139877 343141 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1630574 490856 digits Feb 2021 JanPeter Fischer; PSieve; srsieve; PrimeGrid; LLR
n = 1742905 524671 digits May 2023 Sanghyeok Lee; PPSE; PrimeGrid
n = 3362311 1012161 digits Apr 2021 Hans Joachim Böhm; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4511
max n: 2.373.250
n = 9 7 digits
n = 11 7 digits
n = 17 9 digits
n = 21 10 digits
n = 41 16 digits
n = 51 20 digits
n = 59 22 digits
n = 429 133 digits
n = 507 157 digits
n = 597 184 digits
n = 651 200 digits
n = 4913 1483 digits 1993 Jeffrey Young
n = 7149 2156 digits
n = 16121 4857 digits
n = 17561 5291 digits
n = 25811 7774 digits
n = 29451 8870 digits
n = 61313 18461 digits
n = 181161 54539 digits
n = 597707 179932 digits Dec 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 603731 181745 digits Jan 2011 Paul Arthur MacIain; PSieve; srsieve; PrimeGrid; LLR
n = 626741 188672 digits Feb 2011 Dave Sunderland; PSieve; srsieve; PrimeGrid; LLR
n = 1023849 308213 digits Oct 2012 Michael Herman; PSieve; srsieve; PrimeGrid; LLR
n = 1397697 420753 digits Mar 2016 Eirik Lunner; PSieve; srsieve; PrimeGrid; LLR
n = 1546079 465420 digits Sep 2019 Eric Milligan; PSieve; srsieve; PrimeGrid; LLR
n = 2165543 651898 digits Feb 2025 Josef Schlereth; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4513
max n: 2.372.921
n = 6 6 digits
n = 12 8 digits
n = 22 11 digits
n = 30 13 digits
n = 40 16 digits
n = 48 19 digits
n = 76 27 digits
n = 178 58 digits
n = 228 73 digits
n = 508 157 digits
n = 562 173 digits
n = 1348 410 digits
n = 1354 412 digits
n = 1372 417 digits
n = 2344 710 digits
n = 8080 2436 digits May 1996 Patrick Demichel
n = 8454 2549 digits
n = 11968 3607 digits
n = 16290 4908 digits Oct 1997 Henri Lifchitz; Proth
n = 19762 5953 digits
n = 21868 6587 digits
n = 70356 21183 digits
n = 71046 21391 digits
n = 79104 23817 digits
n = 82996 24988 digits
n = 90426 27225 digits
n = 183906 55365 digits
n = 233050 70159 digits
n = 239916 72226 digits
n = 278112 83724 digits
n = 557410 167801 digits Oct 2010 Pascal Vandaele; PSieve; srsieve; PrimeGrid; LLR
n = 627036 188761 digits Feb 2011 Jeff Webster; PSieve; srsieve; PrimeGrid; LLR
n = 988830 297672 digits Sep 2012 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1337646 402676 digits Apr 2015 Philippe Jaillet; PSieve; srsieve; PrimeGrid; LLR
k: 4515
max n: 2.372.806
n = 2 5 digits
n = 5 6 digits
n = 8 7 digits
n = 9 7 digits
n = 14 8 digits
n = 19 10 digits
n = 20 10 digits
n = 22 11 digits
n = 34 14 digits
n = 37 15 digits
n = 50 19 digits
n = 59 22 digits
n = 65 24 digits
n = 70 25 digits
n = 75 27 digits
n = 118 40 digits
n = 153 50 digits
n = 176 57 digits
n = 182 59 digits
n = 286 90 digits
n = 299 94 digits
n = 307 97 digits
n = 369 115 digits
n = 548 169 digits
n = 610 188 digits
n = 629 194 digits
n = 658 202 digits
n = 698 214 digits
n = 1124 343 digits
n = 1190 362 digits
n = 1205 367 digits
n = 1280 389 digits
n = 1484 451 digits
n = 1549 470 digits
n = 1582 480 digits
n = 2912 881 digits
n = 4025 1216 digits 1993 Jeffrey Young
n = 4222 1275 digits 1993 Jeffrey Young
n = 4546 1373 digits 1993 Jeffrey Young
n = 4799 1449 digits 1993 Jeffrey Young
n = 5444 1643 digits
n = 6414 1935 digits
n = 6922 2088 digits Mar 1996 Patrick Demichel
n = 7457 2249 digits May 1996 Patrick Demichel
n = 8459 2551 digits May 1996 Patrick Demichel
n = 8817 2658 digits
n = 9227 2782 digits
n = 9759 2942 digits
n = 9977 3008 digits
n = 12494 3765 digits
n = 13705 4130 digits
n = 18394 5541 digits
n = 19919 6000 digits
n = 23289 7015 digits
n = 25677 7734 digits
n = 26894 8100 digits
n = 27119 8168 digits
n = 29913 9009 digits
n = 56175 16915 digits
n = 66962 20162 digits
n = 69097 20804 digits
n = 88175 26547 digits
n = 99837 30058 digits
n = 130994 39437 digits
n = 145220 43720 digits
n = 149978 45152 digits
n = 191273 57583 digits
n = 233738 70366 digits
n = 407025 122531 digits Aug 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 430819 129694 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 523795 157682 digits Jul 2010 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 812013 244444 digits Mar 2012 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 944378 284290 digits Jul 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 990377 298137 digits Sep 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1323826 398515 digits Feb 2015 Rene Schick; PSieve; srsieve; PrimeGrid; LLR
n = 1507318 453752 digits Dec 2018 A.J.Brech; PSieve; srsieve; PrimeGrid; LLR
n = 2009566 604944 digits Nov 2024 Robert Lacroix; PPSE; PrimeGrid
n = 2215767 667016 digits Feb 2025 Fangping Wen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4517
max n: 2.372.750
n = 3 5 digits
n = 19 10 digits
n = 27 12 digits
n = 39 16 digits
n = 47 18 digits
n = 99 34 digits
n = 131 44 digits
n = 135 45 digits
n = 151 50 digits
n = 179 58 digits
n = 191 62 digits
n = 275 87 digits
n = 291 92 digits
n = 375 117 digits
n = 403 125 digits
n = 427 133 digits
n = 599 184 digits
n = 723 222 digits
n = 811 248 digits
n = 815 249 digits
n = 843 258 digits
n = 1175 358 digits
n = 1351 411 digits
n = 2427 735 digits
n = 7207 2174 digits May 1996 Patrick Demichel
n = 15687 4726 digits
n = 45267 13631 digits
n = 78539 23647 digits
n = 88991 26793 digits
n = 161151 48515 digits
n = 205267 61796 digits
n = 259819 78217 digits
n = 293907 88479 digits
n = 590211 177675 digits Dec 2010 Anand S Nair; PSieve; srsieve; PrimeGrid; LLR
n = 1344699 404799 digits Jul 2015 Shaun Cox; PSieve; srsieve; PrimeGrid; LLR
n = 1393695 419548 digits Feb 2016 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1449839 436449 digits Jun 2017 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
k: 4519
max n: 2.373.233
n = 2 5 digits
n = 22 11 digits
n = 30 13 digits
n = 42 17 digits
n = 70 25 digits
n = 94 32 digits
n = 102 35 digits
n = 106 36 digits
n = 142 47 digits
n = 1010 308 digits
n = 2754 833 digits
n = 2830 856 digits
n = 3746 1132 digits 1993 Jeffrey Young
n = 4554 1375 digits 1993 Jeffrey Young
n = 6482 1955 digits
n = 8706 2625 digits
n = 9238 2785 digits
n = 11446 3450 digits
n = 17358 5229 digits
n = 53882 16224 digits
n = 75966 22872 digits
n = 83814 25235 digits
n = 111410 33542 digits
n = 163294 49161 digits
n = 180294 54278 digits
n = 190666 57400 digits
n = 317930 95711 digits
n = 466702 140495 digits Sep 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 1996302 600951 digits Sep 2024 Tomasz Kaczmarek; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2298622 691958 digits Aug 2025 David Perek; PPSE; PrimeGrid
k: 4521
max n: 2.372.784
n = 1 4 digits
n = 4 5 digits
n = 7 6 digits
n = 19 10 digits
n = 29 13 digits
n = 31 13 digits
n = 37 15 digits
n = 43 17 digits
n = 53 20 digits
n = 133 44 digits
n = 172 56 digits
n = 421 131 digits
n = 425 132 digits
n = 451 140 digits
n = 607 187 digits
n = 1513 460 digits
n = 1943 589 digits
n = 1951 591 digits
n = 2351 712 digits
n = 2519 762 digits
n = 3155 954 digits
n = 5411 1633 digits
n = 11063 3334 digits
n = 17701 5333 digits
n = 19543 5887 digits
n = 23339 7030 digits
n = 27508 8285 digits
n = 50669 15257 digits
n = 59563 17934 digits
n = 68611 20658 digits
n = 134879 40607 digits
n = 172163 51830 digits
n = 196319 59102 digits
n = 198467 59749 digits
n = 223843 67388 digits
n = 230587 69418 digits
n = 255715 76982 digits
n = 293891 88474 digits
n = 298217 89776 digits
n = 304657 91715 digits
n = 305179 91872 digits
n = 398651 120010 digits Jul 2012 Bruce Dodson; PPSE; PrimeGrid
n = 420115 126471 digits Oct 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 455932 137253 digits May 2009 Tim Rickard; srsieve; PrimeGrid; LLR
n = 478337 143998 digits Nov 2009 Mathew Steine; srsieve; PrimeGrid; LLR
n = 896927 270006 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1258753 378927 digits Apr 2014 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1316593 396338 digits Feb 2015 Walter Trautner; PSieve; srsieve; PrimeGrid; LLR
n = 1405865 423212 digits May 2016 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1552804 467445 digits Dec 2019 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 2152571 647993 digits Feb 2025 John Morriss; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4523
max n: 2.373.324
n = 5 6 digits
n = 209 67 digits
n = 881 269 digits
n = 2177 659 digits
n = 2213 670 digits
n = 2301 697 digits
n = 2981 902 digits
n = 4845 1463 digits 1993 Jeffrey Young
n = 5241 1582 digits
n = 11905 3588 digits
n = 20653 6221 digits
n = 544269 163845 digits Aug 2010 Willy de Zutter; PSieve; srsieve; PrimeGrid; LLR
n = 594553 178982 digits Dec 2010 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1508057 453975 digits Dec 2018 Jonathan Sipes; PSieve; srsieve; PrimeGrid; LLR
k: 4525
max n: 2.373.391
n = 8 7 digits
n = 152 50 digits
n = 6384 1926 digits
n = 8486 2559 digits
n = 28308 8526 digits
n = 30288 9122 digits
n = 89264 26875 digits
n = 1418258 426942 digits Aug 2016 Masumi Hamada; PSieve; srsieve; PrimeGrid; LLR
n = 1538972 463281 digits May 2019 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
k: 4527
max n: 2.372.363
n = 3 5 digits
n = 10 7 digits
n = 12 8 digits
n = 24 11 digits
n = 28 13 digits
n = 30 13 digits
n = 52 20 digits
n = 58 22 digits
n = 70 25 digits
n = 84 29 digits
n = 351 110 digits
n = 408 127 digits
n = 555 171 digits
n = 723 222 digits
n = 744 228 digits
n = 1468 446 digits
n = 3994 1206 digits 1993 Jeffrey Young
n = 5139 1551 digits
n = 9208 2776 digits
n = 9778 2948 digits
n = 12487 3763 digits
n = 12994 3916 digits
n = 16255 4897 digits
n = 35955 10828 digits
n = 38844 11697 digits
n = 64548 19435 digits
n = 144039 43364 digits
n = 159810 48112 digits
n = 176322 53082 digits
n = 324699 97748 digits
n = 609843 183585 digits Jan 2011 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 697980 210117 digits Sep 2011 Bradley Creech; PSieve; srsieve; PrimeGrid; LLR
n = 977892 294379 digits Aug 2012 Marian Vicena; PSieve; srsieve; PrimeGrid; LLR
n = 1355028 407908 digits Sep 2015 Nicholas Mohacsy; PSieve; srsieve; PrimeGrid; LLR
k: 4529
max n: 2.372.976
n = 1 4 digits
n = 7 6 digits
n = 11 7 digits
n = 19 10 digits
n = 23 11 digits
n = 35 15 digits
n = 49 19 digits
n = 55 21 digits
n = 59 22 digits
n = 67 24 digits
n = 71 26 digits
n = 83 29 digits
n = 95 33 digits
n = 171 56 digits
n = 385 120 digits
n = 499 154 digits
n = 559 172 digits
n = 603 186 digits
n = 663 204 digits
n = 727 223 digits
n = 943 288 digits
n = 1123 342 digits
n = 1127 343 digits
n = 1535 466 digits
n = 1907 578 digits
n = 2267 687 digits
n = 3859 1166 digits 1993 Jeffrey Young
n = 4295 1297 digits 1993 Jeffrey Young
n = 5363 1619 digits
n = 8441 2545 digits
n = 17221 5188 digits Jul 1996 Patrick Demichel
n = 20953 6312 digits
n = 26299 7921 digits
n = 34547 10404 digits
n = 36379 10955 digits
n = 43921 13226 digits
n = 54793 16498 digits
n = 89771 27028 digits
n = 149243 44931 digits
n = 205937 61997 digits
n = 472059 142108 digits Oct 2009 Kohei Imai; srsieve; PrimeGrid; LLR
n = 484767 145934 digits Jan 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 560767 168812 digits Oct 2010 Adam Ferralli; PSieve; srsieve; PrimeGrid; LLR
n = 1434757 431909 digits Feb 2017 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1445783 435228 digits Apr 2017 Jan Gniesmer; PSieve; srsieve; PrimeGrid; LLR
n = 2183903 657424 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4531
max n: 2.373.123
n = 4 5 digits
n = 12 8 digits
n = 48 19 digits
n = 68 25 digits
n = 88 31 digits
n = 264 84 digits
n = 588 181 digits
n = 616 190 digits
n = 704 216 digits
n = 748 229 digits
n = 808 247 digits
n = 1888 573 digits
n = 2704 818 digits
n = 3324 1005 digits 1993 Jeffrey Young
n = 20052 6040 digits
n = 103504 31162 digits
n = 198748 59833 digits
n = 312212 93989 digits
n = 977192 294168 digits Aug 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1994816 600504 digits Sep 2024 Tony Bunce; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2084136 627392 digits Jan 2025 Markus Straub; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4533
max n: 2.372.788
n = 1 4 digits
n = 2 5 digits
n = 6 6 digits
n = 8 7 digits
n = 9 7 digits
n = 18 10 digits
n = 20 10 digits
n = 21 10 digits
n = 26 12 digits
n = 40 16 digits
n = 42 17 digits
n = 50 19 digits
n = 56 21 digits
n = 68 25 digits
n = 74 26 digits
n = 80 28 digits
n = 157 51 digits
n = 173 56 digits
n = 233 74 digits
n = 273 86 digits
n = 352 110 digits
n = 420 131 digits
n = 549 169 digits
n = 649 200 digits
n = 680 209 digits
n = 777 238 digits
n = 786 241 digits
n = 2036 617 digits
n = 2118 642 digits
n = 2401 727 digits
n = 2813 851 digits
n = 2946 891 digits
n = 3413 1032 digits 1993 Jeffrey Young
n = 3582 1082 digits 1993 Jeffrey Young
n = 4562 1377 digits 1993 Jeffrey Young
n = 5202 1570 digits
n = 6137 1852 digits
n = 7353 2218 digits May 1996 Patrick Demichel
n = 8953 2699 digits
n = 22181 6681 digits
n = 23601 7109 digits
n = 25077 7553 digits
n = 47861 14412 digits
n = 59838 18017 digits
n = 64518 19426 digits
n = 112636 33911 digits
n = 113910 34294 digits
n = 147212 44319 digits
n = 170857 51437 digits
n = 173312 52176 digits
n = 211520 63678 digits
n = 212681 64028 digits
n = 320913 96609 digits
n = 326006 98142 digits
n = 331794 99884 digits
n = 333806 100490 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 387674 116706 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 409096 123154 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 424849 127896 digits Nov 2012 Heinz Ming; PPSE; PrimeGrid
n = 489737 147430 digits Feb 2010 Lawrence Fogle; PSieve; srsieve; PrimeGrid; LLR
n = 531121 159888 digits Jul 2010 Sergey Lovov; PSieve; srsieve; PrimeGrid; LLR
n = 588817 177256 digits Dec 2010 Del S. Brand; PSieve; srsieve; PrimeGrid; LLR
n = 914928 275425 digits Jun 2012 Guillaume Tardy; PSieve; srsieve; PrimeGrid; LLR
n = 979077 294736 digits Aug 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1015273 305632 digits Oct 2012 Zdenek Vasku; PSieve; srsieve; PrimeGrid; LLR
n = 1066560 321071 digits Apr 2013 Casimir Ksiazek III; PSieve; srsieve; PrimeGrid; LLR
n = 1253153 377241 digits Apr 2014 Dirk Dhuyvetters; PSieve; srsieve; PrimeGrid; LLR
n = 1481910 446104 digits Feb 2018 Tim Terry; PSieve; srsieve; PrimeGrid; LLR
n = 1655862 498468 digits Jan 2022 Jelle Slaets; PSieve; srsieve; PrimeGrid; LLR
n = 1793130 539790 digits Jan 2024 Alessandro Puppi; PPSE; PrimeGrid
n = 2087841 628507 digits Jan 2025 Mark Williams; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2197910 661641 digits Feb 2025 Uli Wühler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2250737 677544 digits Mar 2025 David Perek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4535
max n: 2.372.068
n = 5 6 digits
n = 43 17 digits
n = 79 28 digits
n = 199 64 digits
n = 211 68 digits
n = 265 84 digits
n = 565 174 digits
n = 685 210 digits
n = 1661 504 digits
n = 4309 1301 digits 1993 Jeffrey Young
n = 10841 3268 digits
n = 23225 6996 digits
n = 91621 27585 digits
n = 227431 68468 digits
n = 453223 136438 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 700565 210895 digits Feb 2010 Dirk Kraemer; PSieve; srsieve; PrimeGrid; LLR
n = 994759 299456 digits Sep 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 2190845 659514 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4537
max n: 2.372.833
n = 2 5 digits
n = 6 6 digits
n = 14 8 digits
n = 28 13 digits
n = 38 16 digits
n = 68 25 digits
n = 110 37 digits
n = 242 77 digits
n = 266 84 digits
n = 282 89 digits
n = 334 105 digits
n = 346 108 digits
n = 390 122 digits
n = 580 179 digits
n = 706 217 digits
n = 1130 344 digits
n = 1404 427 digits
n = 1952 592 digits
n = 2088 633 digits
n = 2116 641 digits
n = 2844 860 digits
n = 14460 4357 digits
n = 14936 4500 digits
n = 15742 4743 digits
n = 24654 7426 digits
n = 30896 9305 digits
n = 34556 10407 digits
n = 46286 13938 digits
n = 65648 19766 digits
n = 75054 22598 digits
n = 104814 31556 digits
n = 122142 36773 digits
n = 188650 56793 digits
n = 206358 62124 digits
n = 394322 118707 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 672290 202384 digits Jun 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 874586 263281 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1005258 302617 digits Sep 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1006766 303071 digits Oct 2012 Stephen Hutchinson; PSieve; srsieve; PrimeGrid; LLR
n = 1621442 488107 digits Feb 2021 Josef Schlereth; PSieve; srsieve; PrimeGrid; LLR
k: 4539
max n: 2.372.882
n = 3 5 digits
n = 6 6 digits
n = 9 7 digits
n = 14 8 digits
n = 51 20 digits
n = 105 36 digits
n = 123 41 digits
n = 126 42 digits
n = 135 45 digits
n = 146 48 digits
n = 314 99 digits
n = 374 117 digits
n = 417 130 digits
n = 441 137 digits
n = 486 150 digits
n = 731 224 digits
n = 1010 308 digits
n = 1550 471 digits
n = 1686 512 digits
n = 1719 522 digits
n = 1755 532 digits
n = 1883 571 digits
n = 1931 585 digits
n = 2421 733 digits
n = 2495 755 digits
n = 4701 1419 digits 1993 Jeffrey Young
n = 6129 1849 digits
n = 6885 2077 digits Mar 1996 Patrick Demichel
n = 22322 6724 digits
n = 37211 11206 digits
n = 73485 22125 digits
n = 384039 115611 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 393270 118390 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 406674 122425 digits Aug 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 631377 190068 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 710295 213824 digits Nov 2011 Ronald Schneider; PSieve; srsieve; PrimeGrid; LLR
n = 907182 273093 digits Jun 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 942939 283857 digits Jul 2012 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 2033106 612030 digits Dec 2024 Dr. James Scott Brown; PPSE; PrimeGrid
k: 4541
max n: 2.373.344
n = 33 14 digits
n = 55 21 digits
n = 117 39 digits
n = 247 79 digits
n = 457 142 digits
n = 573 177 digits
n = 583 180 digits
n = 1465 445 digits
n = 16495 4970 digits
n = 22615 6812 digits
n = 35505 10692 digits
n = 43503 13100 digits
n = 56815 17107 digits
n = 416973 125526 digits Oct 2012 PPSE; PrimeGrid
n = 1009327 303842 digits Oct 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
k: 4543
max n: 2.373.213
n = 4 5 digits
n = 14 8 digits
n = 20 10 digits
n = 22 11 digits
n = 32 14 digits
n = 52 20 digits
n = 64 23 digits
n = 76 27 digits
n = 94 32 digits
n = 108 37 digits
n = 110 37 digits
n = 126 42 digits
n = 230 73 digits
n = 270 85 digits
n = 528 163 digits
n = 1212 369 digits
n = 1438 437 digits
n = 1622 492 digits
n = 1758 533 digits
n = 1864 565 digits
n = 2414 731 digits
n = 2604 788 digits
n = 3208 970 digits
n = 3422 1034 digits 1993 Jeffrey Young
n = 4640 1401 digits 1993 Jeffrey Young
n = 10598 3194 digits
n = 12846 3871 digits
n = 69156 20822 digits
n = 78212 23548 digits
n = 137238 41317 digits
n = 161710 48684 digits
n = 238654 71846 digits
n = 259800 78212 digits
n = 696240 209593 digits Sep 2011 Stefan Lichtenwimmer; PSieve; srsieve; PrimeGrid; LLR
n = 765648 230487 digits Feb 2012 Shinya Matsuo; PSieve; srsieve; PrimeGrid; LLR
n = 817252 246022 digits Apr 2012 Vidmantas Jurka; PSieve; srsieve; PrimeGrid; LLR
n = 1385662 417130 digits Feb 2016 John T Marshall; PSieve; srsieve; PrimeGrid; LLR
k: 4545
max n: 2.372.831
n = 1 4 digits
n = 2 5 digits
n = 5 6 digits
n = 8 7 digits
n = 11 7 digits
n = 13 8 digits
n = 21 10 digits
n = 23 11 digits
n = 66 24 digits
n = 71 26 digits
n = 96 33 digits
n = 140 46 digits
n = 145 48 digits
n = 156 51 digits
n = 157 51 digits
n = 213 68 digits
n = 227 72 digits
n = 230 73 digits
n = 360 113 digits
n = 388 121 digits
n = 425 132 digits
n = 482 149 digits
n = 632 194 digits
n = 671 206 digits
n = 916 280 digits
n = 947 289 digits
n = 1066 325 digits
n = 1190 362 digits
n = 1625 493 digits
n = 1687 512 digits
n = 2299 696 digits
n = 2801 847 digits
n = 3225 975 digits
n = 3576 1081 digits 1993 Jeffrey Young
n = 4073 1230 digits 1993 Jeffrey Young
n = 4425 1336 digits 1993 Jeffrey Young
n = 4456 1346 digits 1993 Jeffrey Young
n = 4601 1389 digits 1993 Jeffrey Young
n = 5361 1618 digits
n = 5536 1671 digits
n = 11332 3415 digits
n = 12628 3806 digits
n = 12858 3875 digits
n = 14672 4421 digits
n = 15610 4703 digits
n = 17042 5134 digits
n = 24318 7325 digits
n = 36576 11015 digits Mar 1999 Tadashi Taura; Proth
n = 45157 13598 digits Mar 1999 Tadashi Taura; Proth
n = 46278 13935 digits
n = 47441 14285 digits
n = 49566 14925 digits Mar 1999 Tadashi Taura; Proth
n = 53747 16184 digits
n = 53759 16187 digits
n = 59170 17816 digits
n = 67061 20192 digits
n = 67605 20355 digits
n = 73782 22215 digits
n = 86133 25933 digits
n = 92772 27931 digits
n = 118446 35660 digits
n = 119933 36108 digits
n = 128808 38779 digits
n = 136708 41157 digits
n = 168110 50610 digits
n = 188430 56727 digits
n = 221420 66658 digits
n = 225536 67897 digits
n = 250833 75512 digits
n = 278639 83883 digits
n = 309785 93259 digits
n = 328501 98893 digits
n = 349760 105292 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 376708 113405 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 521841 157094 digits Jul 2010 Jim Wilkins; PSieve; srsieve; PrimeGrid; LLR
n = 727250 218928 digits Feb 2012 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 729057 219472 digits Feb 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 743740 223892 digits Feb 2012 Zheng RongWei; PSieve; srsieve; PrimeGrid; LLR
n = 793952 239008 digits Mar 2012 Stefan Wakolbinger; PSieve; srsieve; PrimeGrid; LLR
n = 950339 286085 digits Jul 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1421743 427991 digits Sep 2016 Ohkura Yuichi; PSieve; srsieve; PrimeGrid; LLR
n = 1486317 447430 digits Mar 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1647126 495838 digits Oct 2021 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 1686802 507782 digits Apr 2022 Honza Cholt; PPSE; PrimeGrid
n = 1805340 543466 digits Jan 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 2338882 704078 digits Jan 2026 Eric Liskay; PPSE; PrimeGrid
n = 2359540 710296 digits Apr 2026 Ryan Propper; PPSE; PrimeGrid
k: 4547
max n: 2.373.286
n = 7 6 digits
n = 15 9 digits
n = 35 15 digits
n = 51 20 digits
n = 311 98 digits
n = 359 112 digits
n = 435 135 digits
n = 639 197 digits
n = 1559 473 digits
n = 2171 658 digits
n = 3827 1156 digits 1993 Jeffrey Young
n = 4799 1449 digits 1993 Jeffrey Young
n = 5351 1615 digits
n = 5627 1698 digits
n = 7059 2129 digits Mar 1996 Patrick Demichel
n = 9479 2858 digits
n = 17795 5361 digits Jul 1996 Patrick Demichel
n = 24299 7319 digits
n = 93107 28032 digits
n = 98351 29611 digits
n = 110027 33126 digits
n = 146671 44157 digits
n = 267075 80402 digits
n = 813371 244853 digits Mar 2012 Roderik Koenders; PSieve; srsieve; PrimeGrid; LLR
n = 846299 254766 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 860195 258949 digits May 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 899679 270835 digits Jun 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1659011 499416 digits Feb 2022 James Krauss; PSieve; srsieve; PrimeGrid; LLR
n = 2070311 623230 digits Jan 2025 Matthew Hilbrink; PPSE; PrimeGrid
k: 4549
max n: 2.373.177
n = 10 7 digits
n = 14 8 digits
n = 1490 453 digits
n = 22330 6726 digits
n = 36290 10929 digits
n = 52658 15856 digits
n = 122774 36963 digits
n = 268514 80835 digits
n = 475418 143119 digits Oct 2009 Dale Laluk; srsieve; PrimeGrid; LLR
n = 1351534 406856 digits Aug 2015 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
k: 4551
max n: 2.372.850
n = 1 4 digits
n = 4 5 digits
n = 5 6 digits
n = 8 7 digits
n = 13 8 digits
n = 16 9 digits
n = 19 10 digits
n = 21 10 digits
n = 41 17 digits
n = 60 22 digits
n = 71 26 digits
n = 96 33 digits
n = 108 37 digits
n = 125 42 digits
n = 163 53 digits
n = 184 60 digits
n = 199 64 digits
n = 317 100 digits
n = 384 120 digits
n = 485 150 digits
n = 507 157 digits
n = 540 167 digits
n = 801 245 digits
n = 819 251 digits
n = 900 275 digits
n = 1167 355 digits
n = 1207 368 digits
n = 1276 388 digits
n = 1520 462 digits
n = 2348 711 digits
n = 2355 713 digits
n = 2641 799 digits
n = 4396 1327 digits 1993 Jeffrey Young
n = 9843 2967 digits
n = 13735 4139 digits
n = 13875 4181 digits
n = 14621 4406 digits
n = 18436 5554 digits
n = 19085 5749 digits
n = 19377 5837 digits
n = 25979 7825 digits
n = 31209 9399 digits
n = 40364 12155 digits
n = 41459 12485 digits Nov 1998 Yves Gallot; Proth
n = 42907 12920 digits
n = 44785 13486 digits
n = 47697 14362 digits
n = 65601 19752 digits
n = 113911 34295 digits
n = 125549 37798 digits
n = 158376 47680 digits
n = 179796 54128 digits
n = 186009 55998 digits
n = 209171 62971 digits
n = 221340 66634 digits
n = 244001 73456 digits
n = 262567 79045 digits
n = 297327 89509 digits
n = 310367 93434 digits
n = 317851 95687 digits
n = 324804 97780 digits
n = 331968 99936 digits
n = 397160 119561 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 472897 142360 digits Oct 2009 Ikumi Yuki; srsieve; PrimeGrid; LLR
n = 473911 142666 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 485465 146144 digits Oct 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 546308 164459 digits Sep 2010 Sean Faith; PSieve; srsieve; PrimeGrid; LLR
n = 582803 175445 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 702317 211423 digits Sep 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 814711 245257 digits Mar 2012 Stan Hebr; PSieve; srsieve; PrimeGrid; LLR
n = 1197356 360444 digits Nov 2013 Bartlett Henderson; PSieve; srsieve; PrimeGrid; LLR
n = 1328305 399864 digits Mar 2015 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1389607 418318 digits Feb 2016 Li Dake; PSieve; srsieve; PrimeGrid; LLR
n = 1430903 430749 digits Jan 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2085684 627858 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4553
max n: 2.373.225
n = 41 17 digits
n = 101 35 digits
n = 677 208 digits
n = 1037 316 digits
n = 35925 10819 digits
n = 126837 38186 digits
n = 167577 50450 digits
n = 246945 74342 digits
k: 4555
max n: 2.372.789
n = 6 6 digits
n = 10 7 digits
n = 12 8 digits
n = 42 17 digits
n = 76 27 digits
n = 106 36 digits
n = 358 112 digits
n = 390 122 digits
n = 570 176 digits
n = 762 234 digits
n = 810 248 digits
n = 1698 515 digits
n = 9940 2996 digits
n = 71586 21554 digits
n = 146452 44091 digits
n = 1135366 341783 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1451958 437087 digits Jul 2017 David Steel; PSieve; srsieve; PrimeGrid; LLR
n = 1990698 599264 digits Aug 2024 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2018050 607498 digits Dec 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 2115222 636749 digits Jan 2025 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4557
max n: 2.372.882
n = 2 5 digits
n = 3 5 digits
n = 6 6 digits
n = 16 9 digits
n = 39 16 digits
n = 51 20 digits
n = 64 23 digits
n = 78 28 digits
n = 80 28 digits
n = 90 31 digits
n = 94 32 digits
n = 102 35 digits
n = 226 72 digits
n = 296 93 digits
n = 366 114 digits
n = 395 123 digits
n = 483 150 digits
n = 1174 358 digits
n = 2334 707 digits
n = 2606 789 digits
n = 3222 974 digits
n = 4696 1418 digits 1993 Jeffrey Young
n = 5291 1597 digits
n = 5554 1676 digits
n = 6022 1817 digits
n = 6786 2047 digits Mar 1996 Patrick Demichel
n = 6862 2070 digits Mar 1996 Patrick Demichel
n = 9190 2771 digits
n = 11720 3532 digits
n = 22206 6689 digits
n = 27435 8263 digits
n = 55550 16726 digits
n = 57646 17357 digits
n = 61342 18470 digits
n = 88454 26631 digits
n = 107403 32336 digits
n = 112838 33972 digits
n = 130906 39411 digits
n = 169754 51105 digits
n = 190619 57386 digits
n = 232354 69950 digits
n = 415803 125173 digits Oct 2012 Bart Kus; PPSE; PrimeGrid
n = 777258 233982 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1003430 302067 digits Sep 2012 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 1044198 314339 digits Feb 2013 Craig Messinger; PSieve; srsieve; PrimeGrid; LLR
n = 1142536 343942 digits Aug 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1379200 415185 digits Feb 2016 Serge Batalov; PSieve; srsieve; PrimeGrid; LLR
n = 1467234 441686 digits Feb 2018 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1713482 515814 digits Oct 2022 Vaughan Davies; PPSE; PrimeGrid
n = 2091346 629562 digits Jan 2025 Bernard Schmidt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4559
max n: 2.372.848
n = 3 5 digits
n = 23 11 digits
n = 57 21 digits
n = 453 141 digits
n = 463 144 digits
n = 465 144 digits
n = 513 159 digits
n = 557 172 digits
n = 625 192 digits
n = 1019 311 digits
n = 1213 369 digits
n = 1425 433 digits
n = 1439 437 digits
n = 1983 601 digits
n = 2395 725 digits
n = 6925 2089 digits Mar 1996 Patrick Demichel
n = 7783 2347 digits May 1996 Patrick Demichel
n = 8555 2579 digits May 1996 Patrick Demichel
n = 8689 2620 digits
n = 70725 21295 digits
n = 96785 29139 digits
n = 230905 69513 digits
n = 295903 89080 digits
n = 352977 106261 digits May 2012 David Yost; PPSE; PrimeGrid
n = 447873 134827 digits Jan 2013 Dr. James Scott Brown; PPSE; PrimeGrid
n = 449959 135455 digits Jan 2013 Gary Harris; PPSE; PrimeGrid
n = 566063 170406 digits Oct 2010 Steve Martin; PSieve; srsieve; PrimeGrid; LLR
n = 831403 250281 digits Apr 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 970405 292125 digits Aug 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1555017 468111 digits Jan 2020 Ulrich Fries; PSieve; srsieve; PrimeGrid; LLR
n = 1613065 485585 digits Jan 2021 Richard Mortimore; PSieve; srsieve; PrimeGrid; LLR
n = 1887155 568094 digits Feb 2024 Glenn Hall; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4561
max n: 2.373.372
n = 4 5 digits
n = 12 8 digits
n = 16 9 digits
n = 124 41 digits
n = 144 48 digits
n = 184 60 digits
n = 424 132 digits
n = 584 180 digits
n = 1144 349 digits
n = 1372 417 digits
n = 1604 487 digits
n = 2056 623 digits
n = 2936 888 digits
n = 7920 2388 digits
n = 12724 3834 digits
n = 14360 4327 digits
n = 20372 6137 digits
n = 26580 8006 digits
n = 31516 9491 digits
n = 43324 13046 digits
n = 76436 23014 digits
n = 159116 47903 digits
n = 160912 48443 digits
n = 232092 69871 digits
n = 399740 120338 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 1454632 437892 digits Aug 2017 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
k: 4563
max n: 2.372.793
n = 1 4 digits
n = 2 5 digits
n = 4 5 digits
n = 17 9 digits
n = 34 14 digits
n = 37 15 digits
n = 41 17 digits
n = 56 21 digits
n = 124 41 digits
n = 152 50 digits
n = 178 58 digits
n = 224 72 digits
n = 244 78 digits
n = 505 156 digits
n = 754 231 digits
n = 881 269 digits
n = 902 276 digits
n = 953 291 digits
n = 1154 352 digits
n = 2425 734 digits
n = 3370 1019 digits 1993 Jeffrey Young
n = 3520 1064 digits 1993 Jeffrey Young
n = 5797 1749 digits
n = 6004 1812 digits
n = 7208 2174 digits May 1996 Patrick Demichel
n = 8648 2607 digits
n = 9424 2841 digits
n = 11954 3603 digits
n = 12001 3617 digits
n = 15248 4594 digits
n = 17098 5151 digits
n = 24281 7313 digits
n = 25708 7743 digits
n = 42698 12858 digits Feb 1999 Yves Gallot; Proth
n = 60241 18139 digits
n = 107696 32424 digits
n = 169402 50999 digits
n = 259904 78243 digits
n = 273796 82425 digits
n = 281125 84631 digits
n = 310561 93492 digits
n = 482437 145232 digits Dec 2009 Dajgoro Labinac; PSieve; srsieve; PrimeGrid; LLR
n = 803792 241970 digits Mar 2012 Bartosz Michałowski; PSieve; srsieve; PrimeGrid; LLR
n = 895534 269587 digits Jun 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1103437 332172 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1174777 353647 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 4565
max n: 2.373.038
n = 15 9 digits
n = 19 10 digits
n = 25 12 digits
n = 31 13 digits
n = 75 27 digits
n = 79 28 digits
n = 167 54 digits
n = 195 63 digits
n = 563 174 digits
n = 603 186 digits
n = 687 211 digits
n = 703 216 digits
n = 1185 361 digits
n = 1647 500 digits
n = 2071 628 digits
n = 2515 761 digits
n = 3579 1082 digits 1993 Jeffrey Young
n = 3659 1106 digits 1993 Jeffrey Young
n = 4033 1218 digits 1993 Jeffrey Young
n = 9727 2932 digits
n = 48319 14550 digits
n = 74511 22434 digits
n = 90331 27196 digits
n = 95567 28773 digits
n = 110961 33407 digits
n = 207793 62556 digits
n = 221063 66551 digits
n = 250089 75288 digits
n = 616087 185465 digits Jan 2011 Anand S Nair; PSieve; srsieve; PrimeGrid; LLR
n = 636651 191655 digits Feb 2011 Lee Stirzaker; PSieve; srsieve; PrimeGrid; LLR
n = 1105459 332780 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1496339 450447 digits Jul 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 4567
max n: 2.372.641
n = 2 5 digits
n = 56 21 digits
n = 68 25 digits
n = 78 28 digits
n = 102 35 digits
n = 128 43 digits
n = 140 46 digits
n = 180 58 digits
n = 272 86 digits
n = 276 87 digits
n = 348 109 digits
n = 390 122 digits
n = 572 176 digits
n = 600 185 digits
n = 630 194 digits
n = 1076 328 digits
n = 1908 579 digits
n = 1950 591 digits
n = 2670 808 digits
n = 3696 1117 digits 1993 Jeffrey Young
n = 9680 2918 digits
n = 13520 4074 digits
n = 23402 7049 digits
n = 29960 9023 digits
n = 44610 13433 digits
n = 47910 14427 digits
n = 111080 33443 digits
n = 242550 73019 digits
n = 330396 99463 digits
n = 745640 224464 digits Feb 2012 Rostyslav Martynenko; PSieve; srsieve; PrimeGrid; LLR
n = 949916 285957 digits Jul 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1260278 379386 digits Apr 2014 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
k: 4569
max n: 2.372.750
n = 15 9 digits
n = 27 12 digits
n = 42 17 digits
n = 111 38 digits
n = 211 68 digits
n = 319 100 digits
n = 369 115 digits
n = 825 253 digits
n = 1215 370 digits
n = 1527 464 digits
n = 1821 552 digits
n = 1935 587 digits
n = 3105 939 digits
n = 3111 941 digits
n = 6051 1826 digits
n = 7815 2357 digits
n = 8289 2499 digits
n = 36426 10969 digits
n = 74091 22308 digits
n = 84379 25405 digits
n = 91951 27684 digits
n = 106947 32198 digits
n = 317967 95722 digits
n = 1898167 571409 digits Feb 2024 Charles Jackson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4571
max n: 2.373.125
n = 5 6 digits
n = 11 7 digits
n = 19 10 digits
n = 53 20 digits
n = 97 33 digits
n = 113 38 digits
n = 1475 448 digits
n = 1609 489 digits
n = 2185 662 digits
n = 3043 920 digits
n = 3085 933 digits
n = 4993 1507 digits 1993 Jeffrey Young
n = 5657 1707 digits
n = 22809 6870 digits
n = 178505 53740 digits
n = 241765 72783 digits
n = 431689 129955 digits Dec 2012 PPSE; PrimeGrid
n = 458825 138124 digits Jun 2009 John S Morris III; srsieve; PrimeGrid; LLR
n = 553145 166517 digits Sep 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 705105 212262 digits Sep 2011 Michael Corsello; PSieve; srsieve; PrimeGrid; LLR
n = 878169 264359 digits May 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1046131 314921 digits Feb 2013 Frank Matillek; PSieve; srsieve; PrimeGrid; LLR
k: 4573
max n: 2.372.593
n = 6 6 digits
n = 10 7 digits
n = 24 11 digits
n = 34 14 digits
n = 144 48 digits
n = 150 49 digits
n = 178 58 digits
n = 206 66 digits
n = 516 159 digits
n = 518 160 digits
n = 618 190 digits
n = 820 251 digits
n = 1126 343 digits
n = 1420 432 digits
n = 1658 503 digits
n = 2378 720 digits
n = 5246 1583 digits
n = 6658 2008 digits Mar 1996 Patrick Demichel
n = 6660 2009 digits Mar 1996 Patrick Demichel
n = 7056 2128 digits Mar 1996 Patrick Demichel
n = 9938 2996 digits
n = 13606 4100 digits
n = 21304 6417 digits
n = 23178 6981 digits
n = 27624 8320 digits
n = 28260 8511 digits
n = 72168 21729 digits
n = 83590 25167 digits
n = 84024 25298 digits
n = 97490 29352 digits
n = 180528 54349 digits
n = 288588 86878 digits
n = 290446 87437 digits
n = 320486 96480 digits
n = 355588 107047 digits May 2012 PPSE; PrimeGrid
n = 386436 116333 digits Jun 2012 Ronny Willig; PPSE; PrimeGrid
n = 605676 182331 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 753408 226803 digits Feb 2012 Matthew K Williams; PSieve; srsieve; PrimeGrid; LLR
n = 1115390 335770 digits Jul 2013 Takeshi Nakamura; PSieve; srsieve; PrimeGrid; LLR
n = 1168536 351769 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1392338 419140 digits Feb 2016 Timothy Reichard; PSieve; srsieve; PrimeGrid; LLR
n = 1857598 559197 digits Feb 2024 Alessandro Puppi; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1924000 579186 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2140468 644349 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4575
max n: 2.372.801
n = 1 4 digits
n = 2 5 digits
n = 6 6 digits
n = 7 6 digits
n = 8 7 digits
n = 9 7 digits
n = 18 10 digits
n = 31 13 digits
n = 42 17 digits
n = 57 21 digits
n = 73 26 digits
n = 78 28 digits
n = 79 28 digits
n = 103 35 digits
n = 104 35 digits
n = 114 38 digits
n = 127 42 digits
n = 151 50 digits
n = 157 51 digits
n = 309 97 digits
n = 367 115 digits
n = 369 115 digits
n = 503 156 digits
n = 679 209 digits
n = 902 276 digits
n = 1021 312 digits
n = 1454 442 digits
n = 1736 527 digits
n = 2586 783 digits
n = 3205 969 digits
n = 3591 1085 digits 1993 Jeffrey Young
n = 3698 1117 digits 1993 Jeffrey Young
n = 4615 1393 digits 1993 Jeffrey Young
n = 5294 1598 digits
n = 6224 1878 digits
n = 6338 1912 digits
n = 6465 1950 digits
n = 6626 1999 digits
n = 7734 2332 digits May 1996 Patrick Demichel
n = 13693 4126 digits
n = 15287 4606 digits
n = 25129 7569 digits
n = 25575 7703 digits
n = 26239 7903 digits
n = 27186 8188 digits
n = 28974 8726 digits
n = 44128 13288 digits
n = 56692 17070 digits
n = 78782 23720 digits
n = 90274 27179 digits
n = 112882 33985 digits
n = 135157 40690 digits
n = 164309 49466 digits
n = 165103 49705 digits
n = 173021 52089 digits
n = 210153 63267 digits
n = 210674 63423 digits
n = 257666 77569 digits
n = 379575 114268 digits Jun 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 506017 152330 digits May 2010 Erik Karolus; PSieve; srsieve; PrimeGrid; LLR
n = 507765 152857 digits May 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 537328 161756 digits Jul 2010 Mike Mooney; PSieve; srsieve; PrimeGrid; LLR
n = 784941 236295 digits Mar 2012 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1757631 529104 digits Aug 2023 Chase Tarson; PPSE; PrimeGrid
n = 2146181 646069 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4577
max n: 2.372.970
n = 7 6 digits
n = 11 7 digits
n = 19 10 digits
n = 31 13 digits
n = 59 22 digits
n = 67 24 digits
n = 1039 317 digits
n = 3511 1061 digits 1993 Jeffrey Young
n = 6487 1957 digits
n = 7139 2153 digits May 1996 Patrick Demichel
n = 33899 10209 digits
n = 76519 23039 digits
n = 130687 39345 digits
n = 1972667 593836 digits Jun 2024 Latah Headrick; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3413539 1027582 digits Mar 2022 Ian Johns; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4579
max n: 2.372.841
n = 10 7 digits
n = 22 11 digits
n = 174 57 digits
n = 178 58 digits
n = 370 116 digits
n = 466 144 digits
n = 534 165 digits
n = 582 179 digits
n = 2026 614 digits
n = 7014 2116 digits Mar 1996 Patrick Demichel
n = 8326 2511 digits
n = 8538 2574 digits
n = 10918 3291 digits
n = 61078 18390 digits
n = 109230 32886 digits
n = 124446 37466 digits
n = 143058 43069 digits
n = 525126 158083 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 837850 252222 digits Apr 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1010314 304139 digits Oct 2012 Roman Krawiec; PSieve; srsieve; PrimeGrid; LLR
n = 1054666 317490 digits Mar 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1359906 409377 digits Sep 2015 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 1768378 532339 digits Oct 2023 Vesa Harju; PPSE; PrimeGrid
n = 2185494 657903 digits Feb 2025 Todd Pickering; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2351314 707820 digits Mar 2026 PPSE; PrimeGrid
k: 4581
max n: 2.372.894
n = 15 9 digits
n = 29 13 digits
n = 32 14 digits
n = 53 20 digits
n = 68 25 digits
n = 149 49 digits
n = 480 149 digits
n = 725 222 digits
n = 816 250 digits
n = 1328 404 digits
n = 1416 430 digits
n = 1544 469 digits
n = 1616 491 digits
n = 1919 582 digits
n = 7608 2294 digits May 1996 Patrick Demichel
n = 12125 3654 digits
n = 23988 7225 digits
n = 37824 11390 digits
n = 45720 13767 digits
n = 64536 19431 digits
n = 74804 22522 digits
n = 150485 45305 digits
n = 380372 114508 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 555887 167343 digits Oct 2010 Yevgeniy Gorbachev; PSieve; srsieve; PrimeGrid; LLR
n = 868707 261511 digits May 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1121856 337716 digits Aug 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1343735 404509 digits Jul 2015 Michael C Leung; PSieve; srsieve; PrimeGrid; LLR
n = 2101080 632492 digits Jan 2025 Todd Pickering; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3327644 1001725 digits Feb 2020 Ondrej Hajek; PSieve; srsieve; PrimeGrid; LLR
k: 4583
max n: 2.373.381
n = 21 10 digits
n = 73 26 digits
n = 81 29 digits
n = 201 65 digits
n = 273 86 digits
n = 73869 22241 digits
n = 222661 67032 digits
n = 443593 133539 digits Dec 2012 Tarmo Ilves; PPSE; PrimeGrid
n = 932529 280723 digits Jul 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 4585
max n: 2.372.833
n = 2 5 digits
n = 4 5 digits
n = 6 6 digits
n = 14 8 digits
n = 20 10 digits
n = 32 14 digits
n = 36 15 digits
n = 40 16 digits
n = 42 17 digits
n = 44 17 digits
n = 92 32 digits
n = 148 49 digits
n = 168 55 digits
n = 244 78 digits
n = 326 102 digits
n = 352 110 digits
n = 510 158 digits
n = 576 178 digits
n = 740 227 digits
n = 768 235 digits
n = 834 255 digits
n = 988 302 digits
n = 1170 356 digits
n = 1220 371 digits
n = 1448 440 digits
n = 1500 456 digits
n = 1614 490 digits
n = 1646 500 digits
n = 2088 633 digits
n = 3038 919 digits
n = 3558 1075 digits 1993 Jeffrey Young
n = 4692 1417 digits 1993 Jeffrey Young
n = 6374 1923 digits
n = 7596 2291 digits May 1996 Patrick Demichel
n = 8692 2621 digits
n = 10962 3304 digits
n = 11162 3364 digits
n = 28182 8488 digits
n = 57162 17212 digits
n = 70014 21080 digits
n = 70646 21271 digits
n = 115346 34727 digits
n = 120084 36153 digits
n = 120090 36155 digits
n = 131476 39582 digits
n = 134612 40526 digits
n = 173476 52226 digits
n = 215492 64874 digits
n = 223164 67183 digits
n = 350582 105540 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 388422 116931 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 986136 296861 digits Sep 2012 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 1047662 315382 digits Feb 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1351802 406937 digits Aug 2015 Woohyung Lee; PSieve; srsieve; PrimeGrid; LLR
n = 1355124 407937 digits Sep 2015 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1422156 428116 digits Sep 2016 Robert L. Clark; PSieve; srsieve; PrimeGrid; LLR
n = 1471516 442975 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
k: 4587
max n: 2.373.073
n = 3 5 digits
n = 7 6 digits
n = 8 7 digits
n = 12 8 digits
n = 18 10 digits
n = 43 17 digits
n = 54 20 digits
n = 58 22 digits
n = 146 48 digits
n = 151 50 digits
n = 231 74 digits
n = 232 74 digits
n = 243 77 digits
n = 256 81 digits
n = 331 104 digits
n = 346 108 digits
n = 536 166 digits
n = 679 209 digits
n = 688 211 digits
n = 727 223 digits
n = 858 262 digits
n = 979 299 digits
n = 1202 366 digits
n = 4046 1222 digits 1993 Jeffrey Young
n = 4112 1242 digits 1993 Jeffrey Young
n = 6704 2022 digits Mar 1996 Patrick Demichel
n = 6924 2088 digits Mar 1996 Patrick Demichel
n = 7059 2129 digits Mar 1996 Patrick Demichel
n = 22618 6813 digits
n = 24663 7428 digits
n = 26959 8120 digits
n = 29218 8800 digits
n = 36092 10869 digits
n = 40292 12133 digits
n = 40622 12233 digits
n = 46454 13988 digits
n = 61514 18522 digits
n = 99418 29932 digits
n = 109551 32982 digits
n = 134266 40422 digits
n = 149952 45144 digits
n = 182154 54838 digits
n = 185859 55953 digits
n = 323128 97275 digits
n = 327846 98696 digits
n = 531604 160033 digits Jul 2010 Wenjie Fang; PSieve; srsieve; PrimeGrid; LLR
n = 582727 175422 digits Nov 2010 Emanuele Delle Fave; PSieve; srsieve; PrimeGrid; LLR
n = 605743 182351 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 745922 224549 digits Feb 2012 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
n = 1121743 337682 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2204823 663722 digits
k: 4589
max n: 2.371.978
n = 3 5 digits
n = 5 6 digits
n = 9 7 digits
n = 23 11 digits
n = 25 12 digits
n = 39 16 digits
n = 43 17 digits
n = 79 28 digits
n = 83 29 digits
n = 131 44 digits
n = 161 53 digits
n = 165 54 digits
n = 307 97 digits
n = 315 99 digits
n = 373 116 digits
n = 493 153 digits
n = 881 269 digits
n = 927 283 digits
n = 987 301 digits
n = 1741 528 digits
n = 3441 1040 digits 1993 Jeffrey Young
n = 4279 1292 digits 1993 Jeffrey Young
n = 5379 1623 digits
n = 6405 1932 digits
n = 6421 1937 digits
n = 6925 2089 digits Mar 1996 Patrick Demichel
n = 11481 3460 digits
n = 12217 3682 digits
n = 21127 6364 digits
n = 22699 6837 digits
n = 25973 7823 digits
n = 37549 11308 digits
n = 39121 11781 digits
n = 55289 16648 digits
n = 62115 18703 digits
n = 63339 19071 digits
n = 89461 26935 digits
n = 132651 39936 digits
n = 145307 43746 digits
n = 223565 67304 digits
n = 262459 79012 digits
n = 284771 85729 digits
n = 309483 93168 digits
n = 320111 96367 digits
n = 347289 104549 digits Apr 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 361793 108915 digits Feb 2009 Mackenzie Ballentyne; srsieve; PrimeGrid; LLR
n = 395199 118971 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 397781 119748 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 579465 174441 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 609155 183378 digits Jan 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 742683 223574 digits Feb 2012 Tom Pepper; PSieve; srsieve; PrimeGrid; LLR
n = 880699 265121 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1798453 541392 digits Jan 2024 Jonathan Gehrke; PPSE; PrimeGrid
n = 2068915 622810 digits Jan 2025 Dan Bishopp; PPSE; PrimeGrid
n = 3435707 1034255 digits Oct 2022 Randall Scalise; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4591
max n: 2.373.415
n = 8 7 digits
n = 104 35 digits
n = 224 72 digits
n = 1048 320 digits
n = 92528 27858 digits
n = 132344 39844 digits
n = 566512 170541 digits Oct 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
k: 4593
max n: 2.372.712
n = 1 4 digits
n = 5 6 digits
n = 9 7 digits
n = 12 8 digits
n = 21 10 digits
n = 22 11 digits
n = 24 11 digits
n = 49 19 digits
n = 54 20 digits
n = 60 22 digits
n = 120 40 digits
n = 140 46 digits
n = 168 55 digits
n = 214 69 digits
n = 240 76 digits
n = 260 82 digits
n = 321 101 digits
n = 378 118 digits
n = 401 125 digits
n = 514 159 digits
n = 528 163 digits
n = 785 240 digits
n = 1181 360 digits
n = 1374 418 digits
n = 1508 458 digits
n = 2082 631 digits
n = 2262 685 digits
n = 3121 944 digits
n = 3500 1058 digits 1993 Jeffrey Young
n = 3569 1079 digits 1993 Jeffrey Young
n = 3701 1118 digits 1993 Jeffrey Young
n = 3822 1155 digits 1993 Jeffrey Young
n = 4812 1453 digits 1993 Jeffrey Young
n = 4893 1477 digits 1993 Jeffrey Young
n = 6094 1839 digits
n = 7294 2200 digits May 1996 Patrick Demichel
n = 7620 2298 digits May 1996 Patrick Demichel
n = 12662 3816 digits
n = 15828 4769 digits
n = 18485 5569 digits
n = 22140 6669 digits
n = 22500 6777 digits
n = 25548 7695 digits
n = 29017 8739 digits
n = 46362 13961 digits
n = 54053 16276 digits
n = 60600 18247 digits
n = 77958 23472 digits
n = 85940 25875 digits
n = 98569 29676 digits
n = 163045 49086 digits
n = 164280 49457 digits
n = 171852 51737 digits
n = 184857 55652 digits
n = 192452 57938 digits
n = 318374 95844 digits
n = 384369 115711 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 441158 132806 digits Dec 2012 Michael Millerick; PPSE; PrimeGrid
n = 771701 232309 digits Feb 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 847354 255083 digits May 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 915641 275640 digits Jun 2012 Guillaume Tardy; PSieve; srsieve; PrimeGrid; LLR
n = 1508905 454230 digits Dec 2018 Greg Parker; PSieve; srsieve; PrimeGrid; LLR
n = 2223429 669323 digits Feb 2025 JanPeter Fischer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4595
max n: 2.372.776
n = 3 5 digits
n = 9 7 digits
n = 11 7 digits
n = 15 9 digits
n = 21 10 digits
n = 33 14 digits
n = 51 20 digits
n = 53 20 digits
n = 69 25 digits
n = 87 30 digits
n = 129 43 digits
n = 147 48 digits
n = 165 54 digits
n = 423 131 digits
n = 789 242 digits
n = 827 253 digits
n = 897 274 digits
n = 1287 392 digits
n = 2541 769 digits
n = 2709 820 digits
n = 3129 946 digits
n = 3689 1115 digits 1993 Jeffrey Young
n = 7325 2209 digits May 1996 Patrick Demichel
n = 7935 2393 digits
n = 10221 3081 digits
n = 10641 3207 digits
n = 12455 3753 digits
n = 42765 12878 digits
n = 47409 14276 digits
n = 48663 14653 digits
n = 53741 16182 digits
n = 60891 18334 digits
n = 100893 30376 digits
n = 116193 34982 digits
n = 125109 37666 digits
n = 129639 39029 digits
n = 133353 40147 digits
n = 149643 45051 digits
n = 231995 69842 digits
n = 234269 70526 digits
n = 377349 113598 digits Jun 2012 Charley Gielkens; PPSE; PrimeGrid
n = 398403 119935 digits Jul 2012 Ronny Willig; PPSE; PrimeGrid
n = 472143 142133 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 655191 197236 digits Mar 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 703143 211671 digits Sep 2011 Nils Ohlsson; PSieve; srsieve; PrimeGrid; LLR
n = 870209 261963 digits May 2012 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1038063 312492 digits Jan 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
k: 4597
max n: 2.372.873
n = 4 5 digits
n = 28 13 digits
n = 78 28 digits
n = 84 29 digits
n = 88 31 digits
n = 136 45 digits
n = 358 112 digits
n = 1032 315 digits
n = 2656 804 digits
n = 7602 2293 digits May 1996 Patrick Demichel
n = 17628 5311 digits
n = 65758 19799 digits
n = 76492 23031 digits
n = 84354 25397 digits
n = 111264 33498 digits
n = 153724 46280 digits
n = 220126 66269 digits
n = 558922 168256 digits Oct 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 652276 196359 digits Mar 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1557924 468986 digits Feb 2020 Jordan Romaidis; PSieve; srsieve; PrimeGrid; LLR
k: 4599
max n: 2.372.881
n = 1 4 digits
n = 2 5 digits
n = 3 5 digits
n = 6 6 digits
n = 7 6 digits
n = 10 7 digits
n = 19 10 digits
n = 43 17 digits
n = 51 20 digits
n = 79 28 digits
n = 318 100 digits
n = 378 118 digits
n = 1462 444 digits
n = 1930 585 digits
n = 2291 694 digits
n = 2382 721 digits
n = 3134 948 digits
n = 3462 1046 digits 1993 Jeffrey Young
n = 5706 1722 digits
n = 7297 2201 digits May 1996 Patrick Demichel
n = 7457 2249 digits May 1996 Patrick Demichel
n = 15779 4754 digits
n = 16199 4881 digits
n = 18814 5668 digits
n = 18923 5701 digits
n = 20659 6223 digits
n = 26722 8048 digits
n = 53967 16250 digits
n = 63247 19043 digits
n = 70673 21279 digits
n = 78823 23732 digits
n = 106123 31950 digits
n = 115561 34791 digits
n = 197306 59399 digits
n = 212303 63914 digits
n = 244771 73688 digits
n = 255410 76890 digits
n = 286087 86125 digits
n = 290977 87597 digits
n = 296534 89270 digits
n = 338907 102025 digits Apr 2012 Ulf Riedl; PPSE; PrimeGrid
n = 556618 167563 digits Oct 2010 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 852870 256744 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1295006 389840 digits Sep 2014 Martin Droppa SR; PSieve; srsieve; PrimeGrid; LLR
k: 4601
max n: 2.372.860
n = 1 4 digits
n = 3 5 digits
n = 13 8 digits
n = 21 10 digits
n = 63 23 digits
n = 91 32 digits
n = 93 32 digits
n = 103 35 digits
n = 161 53 digits
n = 189 61 digits
n = 231 74 digits
n = 233 74 digits
n = 249 79 digits
n = 363 113 digits
n = 679 209 digits
n = 1471 447 digits
n = 1819 552 digits
n = 1829 555 digits
n = 1941 588 digits
n = 2649 802 digits
n = 2719 823 digits
n = 6439 1942 digits
n = 9071 2735 digits
n = 12811 3861 digits
n = 30621 9222 digits
n = 39909 12018 digits
n = 41971 12639 digits
n = 44141 13292 digits
n = 49091 14782 digits
n = 51729 15576 digits
n = 72463 21818 digits
n = 76733 23103 digits
n = 84729 25510 digits
n = 105093 31640 digits
n = 315389 94946 digits
n = 335645 101043 digits Apr 2012 Rainer Emrich; PPSE; PrimeGrid
n = 546231 164436 digits Sep 2010 Steve Martin; PSieve; srsieve; PrimeGrid; LLR
n = 679709 204617 digits Aug 2011 Nikolaos Derziotis; PSieve; srsieve; PrimeGrid; LLR
n = 1204485 362590 digits Dec 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1468143 441959 digits Feb 2018 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
k: 4603
max n: 2.372.833
n = 2 5 digits
n = 8 7 digits
n = 28 13 digits
n = 74 26 digits
n = 128 43 digits
n = 288 91 digits
n = 304 96 digits
n = 652 200 digits
n = 1034 315 digits
n = 2472 748 digits
n = 2888 874 digits
n = 3532 1067 digits 1993 Jeffrey Young
n = 3698 1117 digits 1993 Jeffrey Young
n = 4548 1373 digits 1993 Jeffrey Young
n = 7308 2204 digits May 1996 Patrick Demichel
n = 10592 3193 digits
n = 14618 4405 digits
n = 43528 13107 digits
n = 44282 13334 digits
n = 54772 16492 digits
n = 55920 16838 digits
n = 207152 62363 digits
n = 254688 76673 digits
n = 420788 126674 digits Nov 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 585802 176348 digits Nov 2010 Thomas Schmidt; PSieve; srsieve; PrimeGrid; LLR
n = 863920 260070 digits May 2012 Torben Kock; PSieve; srsieve; PrimeGrid; LLR
n = 1011304 304437 digits Oct 2012 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1222908 368136 digits Dec 2013 Alexander Prokopchuk; PSieve; srsieve; PrimeGrid; LLR
n = 1229378 370084 digits Jan 2014 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
k: 4605
max n: 2.372.988
n = 4 5 digits
n = 10 7 digits
n = 32 14 digits
n = 35 15 digits
n = 43 17 digits
n = 59 22 digits
n = 64 23 digits
n = 65 24 digits
n = 67 24 digits
n = 107 36 digits
n = 116 39 digits
n = 176 57 digits
n = 179 58 digits
n = 235 75 digits
n = 382 119 digits
n = 910 278 digits
n = 1409 428 digits
n = 1460 444 digits
n = 1592 483 digits
n = 1987 602 digits
n = 2197 666 digits
n = 3313 1001 digits 1993 Jeffrey Young
n = 3773 1140 digits 1993 Jeffrey Young
n = 4337 1310 digits 1993 Jeffrey Young
n = 6034 1821 digits
n = 6790 2048 digits Mar 1996 Patrick Demichel
n = 8243 2486 digits
n = 16339 4923 digits
n = 125050 37648 digits
n = 404410 121744 digits Aug 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 434797 130891 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 722483 217493 digits Nov 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 1135834 341924 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1736809 522836 digits Mar 2023 Alexey Simbarsky; PPSE; PrimeGrid
k: 4607
max n: 2.372.874
n = 3 5 digits
n = 27 12 digits
n = 47 18 digits
n = 107 36 digits
n = 191 62 digits
n = 4623 1396 digits 1993 Jeffrey Young
n = 7535 2272 digits May 1996 Patrick Demichel
n = 8995 2712 digits
n = 41575 12519 digits
n = 89147 26840 digits
n = 113331 34120 digits
n = 164731 49593 digits
n = 194711 58618 digits
n = 456547 137439 digits May 2009 Michael Hampicke; srsieve; PrimeGrid; LLR
n = 920291 277039 digits Jun 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1184495 356573 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1489763 448468 digits Apr 2018 Justin Van Klein; PSieve; srsieve; PrimeGrid; LLR
k: 4609
max n: 2.372.881
n = 14 8 digits
n = 30 13 digits
n = 62 23 digits
n = 90 31 digits
n = 1154 352 digits
n = 3618 1093 digits 1993 Jeffrey Young
n = 5582 1685 digits
n = 8730 2632 digits
n = 41874 12609 digits
n = 62574 18841 digits
n = 102894 30978 digits
n = 584594 175984 digits Nov 2010 Will Oram; PSieve; srsieve; PrimeGrid; LLR
n = 853166 256833 digits May 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 4611
max n: 2.372.918
n = 9 7 digits
n = 13 8 digits
n = 15 9 digits
n = 19 10 digits
n = 48 19 digits
n = 93 32 digits
n = 216 69 digits
n = 285 90 digits
n = 321 101 digits
n = 1491 453 digits
n = 1809 549 digits
n = 2088 633 digits
n = 2701 817 digits
n = 2736 828 digits
n = 2976 900 digits
n = 3363 1017 digits 1993 Jeffrey Young
n = 5433 1640 digits
n = 6453 1947 digits
n = 10668 3216 digits
n = 14991 4517 digits
n = 22269 6708 digits
n = 53820 16206 digits
n = 90085 27122 digits
n = 107520 32371 digits
n = 291328 87703 digits
n = 307425 92548 digits
n = 309336 93124 digits
n = 727645 219047 digits Feb 2012 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 791305 238211 digits Mar 2012 Anonymous; PSieve; srsieve; PrimeGrid; LLR
n = 945169 284528 digits Jul 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 995049 299544 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1576419 474554 digits Mar 2020 Mark Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1727511 520037 digits Jan 2023 Bruce E. Slade; PPSE; PrimeGrid
n = 1995408 600682 digits Sep 2024 Han Pingtian; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2266863 682398 digits Apr 2025 Ian Dickinson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4613
max n: 2.372.448
n = 1 4 digits
n = 5 6 digits
n = 17 9 digits
n = 45 18 digits
n = 89 31 digits
n = 169 55 digits
n = 369 115 digits
n = 481 149 digits
n = 1149 350 digits
n = 1641 498 digits
n = 2237 678 digits
n = 6745 2035 digits Mar 1996 Patrick Demichel
n = 8909 2686 digits
n = 9145 2757 digits
n = 9297 2803 digits
n = 10801 3256 digits
n = 11781 3551 digits
n = 38825 11692 digits
n = 40545 12209 digits
n = 90861 27356 digits
n = 113089 34047 digits
n = 125465 37773 digits
n = 197909 59581 digits
n = 251477 75706 digits
n = 704525 212087 digits Sep 2011 Filip Jevtic; PSieve; srsieve; PrimeGrid; LLR
n = 3460861 1041827 digits Feb 2023 Michael Becker; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4615
max n: 2.372.669
n = 2 5 digits
n = 14 8 digits
n = 20 10 digits
n = 60 22 digits
n = 394 123 digits
n = 1294 394 digits
n = 2242 679 digits
n = 3010 910 digits
n = 3422 1034 digits 1993 Jeffrey Young
n = 4580 1383 digits 1993 Jeffrey Young
n = 8130 2452 digits May 1996 Patrick Demichel
n = 9022 2720 digits
n = 11850 3571 digits
n = 12132 3656 digits
n = 16850 5077 digits
n = 19614 5909 digits
n = 41092 12374 digits
n = 56994 17161 digits
n = 80170 24138 digits
n = 252962 76153 digits
n = 586394 176526 digits Dec 2010 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 678952 204389 digits Aug 2011 Konstantin Manz; PSieve; srsieve; PrimeGrid; LLR
n = 937834 282320 digits Jul 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1129522 340024 digits Aug 2013 Barry Jablonski; PSieve; srsieve; PrimeGrid; LLR
n = 1327252 399547 digits Feb 2015 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1429550 430342 digits Dec 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1652434 497436 digits Jan 2022 Rudi Tapper; PSieve; srsieve; PrimeGrid; LLR
k: 4617
max n: 2.372.826
n = 10 7 digits
n = 15 9 digits
n = 18 10 digits
n = 23 11 digits
n = 30 13 digits
n = 40 16 digits
n = 43 17 digits
n = 50 19 digits
n = 51 20 digits
n = 66 24 digits
n = 688 211 digits
n = 855 262 digits
n = 958 293 digits
n = 1068 326 digits
n = 1647 500 digits
n = 1706 518 digits
n = 2183 661 digits
n = 2186 662 digits
n = 2878 871 digits
n = 3371 1019 digits 1993 Jeffrey Young
n = 3375 1020 digits 1993 Jeffrey Young
n = 3880 1172 digits 1993 Jeffrey Young
n = 3915 1183 digits 1993 Jeffrey Young
n = 3990 1205 digits 1993 Jeffrey Young
n = 6740 2033 digits
n = 10040 3027 digits
n = 10246 3089 digits
n = 11223 3383 digits May 1996 Patrick Demichel
n = 11866 3576 digits
n = 13508 4070 digits
n = 13690 4125 digits
n = 20543 6188 digits
n = 23140 6970 digits
n = 30698 9245 digits
n = 37686 11349 digits
n = 43646 13143 digits
n = 51147 15401 digits
n = 54818 16506 digits
n = 70287 21163 digits
n = 80640 24279 digits
n = 119230 35896 digits
n = 119280 35911 digits
n = 205788 61953 digits
n = 266306 80170 digits
n = 990511 298178 digits Sep 2012 Tracy Green; NewPGen; PrimeGrid; Twin Prime Search; LLR
n = 1318906 397034 digits Feb 2015 Hirofumi Tamagawa; PSieve; srsieve; PrimeGrid; LLR
n = 1325428 398998 digits Feb 2015 Ralf Hentrich; PSieve; srsieve; PrimeGrid; LLR
n = 2051603 617598 digits Jan 2025 Chris Howell; PPSE; PrimeGrid
k: 4619
max n: 2.372.944
n = 1 4 digits
n = 7 6 digits
n = 35 15 digits
n = 49 19 digits
n = 91 32 digits
n = 175 57 digits
n = 275 87 digits
n = 323 101 digits
n = 329 103 digits
n = 377 118 digits
n = 535 165 digits
n = 575 177 digits
n = 883 270 digits
n = 1129 344 digits
n = 1561 474 digits
n = 1735 526 digits
n = 2575 779 digits
n = 4019 1214 digits 1993 Jeffrey Young
n = 7417 2237 digits May 1996 Patrick Demichel
n = 19769 5955 digits
n = 27043 8145 digits
n = 57095 17191 digits
n = 101695 30617 digits
n = 122557 36897 digits
n = 154631 46553 digits
n = 251351 75668 digits
n = 326311 98234 digits
n = 389231 117174 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 412379 124143 digits Sep 2012 Adrian Schori; PPSE; PrimeGrid
n = 502495 151270 digits Jun 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 1962995 590925 digits May 2024 Hugh Myers; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2159809 650171 digits Feb 2025 Cédric Latge; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4621
max n: 2.373.247
n = 12 8 digits
n = 20 10 digits
n = 108 37 digits
n = 148 49 digits
n = 192 62 digits
n = 236 75 digits
n = 748 229 digits
n = 1012 309 digits
n = 1104 337 digits
n = 1240 377 digits
n = 1524 463 digits
n = 2344 710 digits
n = 4992 1507 digits 1993 Jeffrey Young
n = 11476 3459 digits
n = 231892 69811 digits
n = 270292 81370 digits
n = 324156 97585 digits
n = 1379040 415137 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1787936 538227 digits Jan 2024 Đorđe Krstić; PPSE; PrimeGrid
n = 3357068 1010582 digits Feb 2021 Vesa Harju; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4623
max n: 2.372.872
n = 2 5 digits
n = 5 6 digits
n = 6 6 digits
n = 33 14 digits
n = 38 16 digits
n = 60 22 digits
n = 84 29 digits
n = 86 30 digits
n = 149 49 digits
n = 173 56 digits
n = 189 61 digits
n = 213 68 digits
n = 254 81 digits
n = 269 85 digits
n = 285 90 digits
n = 636 196 digits
n = 785 240 digits
n = 1061 324 digits
n = 1140 347 digits
n = 1409 428 digits
n = 1446 439 digits
n = 2166 656 digits
n = 4994 1508 digits 1993 Jeffrey Young
n = 6345 1914 digits
n = 13002 3918 digits
n = 15650 4715 digits
n = 28593 8612 digits
n = 48953 14740 digits
n = 66356 19979 digits
n = 79274 23868 digits
n = 91346 27502 digits
n = 93798 28240 digits
n = 127838 38487 digits
n = 137489 41392 digits
n = 283364 85305 digits
n = 315278 94912 digits
n = 900086 270957 digits Jun 2012 Wouter de Vries; PSieve; srsieve; PrimeGrid; LLR
n = 941562 283443 digits Jul 2012 Henning Busacker; PSieve; srsieve; PrimeGrid; LLR
n = 954305 287279 digits Jul 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1145430 344813 digits Aug 2013 Brett Melvold; PSieve; srsieve; PrimeGrid; LLR
n = 1355988 408197 digits Sep 2015 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1499225 451316 digits Aug 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1767389 532041 digits Oct 2023 Frank Meador; PPSE; PrimeGrid
k: 4625
max n: 2.373.258
n = 13 8 digits
n = 19 10 digits
n = 49 19 digits
n = 93 32 digits
n = 535 165 digits
n = 1215 370 digits
n = 3295 996 digits
n = 8049 2427 digits
n = 8715 2628 digits
n = 8775 2646 digits
n = 13227 3986 digits
n = 13243 3991 digits
n = 20115 6059 digits
n = 38175 11496 digits
n = 123433 37161 digits
n = 129129 38876 digits
n = 155619 46850 digits
n = 159147 47912 digits
n = 364515 109734 digits May 2012 Brian Carpenter; PPSE; PrimeGrid
n = 820203 246910 digits Apr 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1809519 544724 digits Jan 2024 Peter Hundhausen; PPSE; PrimeGrid
n = 2229853 671257 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4627
max n: 2.373.460
n = 6 6 digits
n = 16 9 digits
n = 20 10 digits
n = 34 14 digits
n = 52 20 digits
n = 80 28 digits
n = 212 68 digits
n = 270 85 digits
n = 580 179 digits
n = 944 288 digits
n = 974 297 digits
n = 1902 577 digits
n = 4724 1426 digits 1993 Jeffrey Young
n = 11790 3553 digits
n = 17420 5248 digits
n = 26042 7844 digits
n = 33476 10081 digits
n = 94214 28365 digits
n = 108914 32791 digits
n = 142986 43047 digits
n = 147770 44487 digits
n = 316534 95290 digits
n = 388672 117006 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 1118622 336743 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1187440 357459 digits Oct 2013 Steven F. Bohl; PSieve; srsieve; PrimeGrid; LLR
n = 2325022 699906 digits Nov 2025 Kai Presler; PPSE; PrimeGrid
k: 4629
max n: 2.372.794
n = 2 5 digits
n = 10 7 digits
n = 13 8 digits
n = 14 8 digits
n = 21 10 digits
n = 25 12 digits
n = 33 14 digits
n = 41 17 digits
n = 45 18 digits
n = 51 20 digits
n = 61 23 digits
n = 91 32 digits
n = 122 41 digits
n = 123 41 digits
n = 141 47 digits
n = 146 48 digits
n = 175 57 digits
n = 291 92 digits
n = 383 119 digits
n = 533 165 digits
n = 881 269 digits
n = 1190 362 digits
n = 1274 388 digits
n = 1351 411 digits
n = 1821 552 digits
n = 3745 1132 digits 1993 Jeffrey Young
n = 5011 1513 digits
n = 5633 1700 digits
n = 7515 2266 digits May 1996 Patrick Demichel
n = 10371 3126 digits
n = 10753 3241 digits
n = 12897 3887 digits
n = 13933 4198 digits
n = 15267 4600 digits
n = 17735 5343 digits
n = 17961 5411 digits
n = 18742 5646 digits
n = 32953 9924 digits
n = 63571 19141 digits
n = 71386 21493 digits
n = 102242 30782 digits
n = 133925 40320 digits
n = 139706 42060 digits
n = 143377 43165 digits
n = 146353 44061 digits
n = 157757 47494 digits
n = 166371 50087 digits
n = 297723 89628 digits
n = 320410 96457 digits
n = 345573 104032 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 359486 108220 digits May 2012 PPSE; PrimeGrid
n = 607054 182746 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 635510 191312 digits Feb 2011 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 823467 247892 digits Apr 2012 Eli T. Drumm; PSieve; srsieve; PrimeGrid; LLR
n = 865465 260535 digits May 2012 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1037613 312357 digits Jan 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1719883 517741 digits Nov 2022 Jaroslav Sekanina; PPSE; PrimeGrid
n = 3410321 1026613 digits Mar 2022 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4631
max n: 2.372.712
n = 3 5 digits
n = 5 6 digits
n = 9 7 digits
n = 11 7 digits
n = 13 8 digits
n = 15 9 digits
n = 23 11 digits
n = 45 18 digits
n = 61 23 digits
n = 145 48 digits
n = 165 54 digits
n = 205 66 digits
n = 287 91 digits
n = 303 95 digits
n = 361 113 digits
n = 395 123 digits
n = 441 137 digits
n = 471 146 digits
n = 641 197 digits
n = 1067 325 digits
n = 1141 348 digits
n = 1591 483 digits
n = 2217 672 digits
n = 3215 972 digits
n = 4205 1270 digits 1993 Jeffrey Young
n = 5173 1561 digits
n = 7611 2295 digits May 1996 Patrick Demichel
n = 7653 2308 digits May 1996 Patrick Demichel
n = 7753 2338 digits May 1996 Patrick Demichel
n = 8517 2568 digits
n = 11325 3413 digits
n = 11687 3522 digits
n = 12361 3725 digits
n = 14449 4354 digits
n = 18005 5424 digits
n = 25555 7697 digits
n = 26755 8058 digits
n = 30705 9247 digits
n = 33041 9950 digits
n = 42373 12760 digits
n = 48311 14547 digits
n = 49157 14802 digits
n = 74277 22364 digits
n = 87533 26354 digits
n = 93925 28278 digits
n = 94371 28413 digits
n = 105309 31705 digits
n = 234931 70725 digits
n = 239717 72166 digits
n = 350313 105459 digits Apr 2012 Michael Millerick; PPSE; PrimeGrid
n = 353143 106311 digits May 2012 Michael Becker; PPSE; PrimeGrid
n = 483043 145415 digits Dec 2009 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 483873 145664 digits Jan 2010 Robert M Weis; PSieve; srsieve; PrimeGrid; LLR
n = 484049 145717 digits Feb 2010 Werner Jäger; PSieve; srsieve; PrimeGrid; LLR
n = 573237 172566 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 620689 186850 digits Feb 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 641513 193119 digits Feb 2011 Bart van Rooijen; PSieve; srsieve; PrimeGrid; LLR
n = 670357 201802 digits Jun 2011 Vladimir Divis; PSieve; srsieve; PrimeGrid; LLR
n = 880525 265069 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 931333 280363 digits Jul 2012 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 934353 281272 digits Jul 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1094667 329532 digits May 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 1369823 412362 digits Jan 2016 Mark Ransom; PSieve; srsieve; PrimeGrid; LLR
n = 2362721 711254 digits May 2026 PPSE; PrimeGrid
n = 2371055 713763 digits Jun 2026 Ryan Propper; PPSE; PrimeGrid
k: 4633
max n: 2.373.325
n = 8 7 digits
n = 20 10 digits
n = 22 11 digits
n = 28 13 digits
n = 32 14 digits
n = 46 18 digits
n = 80 28 digits
n = 98 34 digits
n = 110 37 digits
n = 116 39 digits
n = 148 49 digits
n = 748 229 digits
n = 3382 1022 digits 1993 Jeffrey Young
n = 6586 1987 digits
n = 16540 4983 digits
n = 22586 6803 digits
n = 24986 7526 digits
n = 28972 8726 digits
n = 34160 10287 digits
n = 56162 16911 digits
n = 134228 40411 digits
n = 210406 63343 digits
n = 257816 77615 digits
n = 482578 145275 digits Dec 2009 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 1061186 319453 digits Mar 2013 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1889912 568924 digits Feb 2024 Tomasz Kaczmarek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4635
max n: 2.372.761
n = 2 5 digits
n = 4 5 digits
n = 17 9 digits
n = 27 12 digits
n = 38 16 digits
n = 42 17 digits
n = 47 18 digits
n = 52 20 digits
n = 56 21 digits
n = 80 28 digits
n = 152 50 digits
n = 220 70 digits
n = 227 72 digits
n = 278 88 digits
n = 296 93 digits
n = 339 106 digits
n = 516 159 digits
n = 580 179 digits
n = 801 245 digits
n = 891 272 digits
n = 905 277 digits
n = 926 283 digits
n = 1227 374 digits
n = 1741 528 digits
n = 1871 567 digits
n = 2342 709 digits
n = 2648 801 digits
n = 2748 831 digits
n = 2964 896 digits
n = 3472 1049 digits 1993 Jeffrey Young
n = 3530 1067 digits 1993 Jeffrey Young
n = 5614 1694 digits
n = 5735 1731 digits
n = 6242 1883 digits
n = 11882 3581 digits
n = 29588 8911 digits
n = 38822 11691 digits Nov 1998 Yves Gallot; Proth
n = 43139 12990 digits
n = 74847 22535 digits
n = 79070 23807 digits
n = 107662 32414 digits
n = 166682 50180 digits
n = 294934 88788 digits
n = 360092 108403 digits Feb 2009 Patrick Schöfer; srsieve; PrimeGrid; LLR
n = 380964 114686 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 401858 120975 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 556467 167517 digits Oct 2010 Mike Nicodemus; PSieve; srsieve; PrimeGrid; LLR
n = 612166 184284 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 654752 197104 digits Mar 2011 Dave Wintrip; PSieve; srsieve; PrimeGrid; LLR
n = 689180 207468 digits Aug 2011 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 960685 289199 digits Aug 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1235976 372070 digits Jan 2014 Klaus Olszowi; PSieve; srsieve; PrimeGrid; LLR
n = 1571918 473199 digits Feb 2020 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1630911 490957 digits Feb 2021 Craig Whyte; PSieve; srsieve; PrimeGrid; LLR
n = 1821570 548351 digits Jan 2024 Vesa Harju; PPSE; PrimeGrid
n = 1904027 573173 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1946256 585886 digits Apr 2024 Derek Gordon; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2295921 691145 digits Jul 2025 David Perek; PPSE; PrimeGrid
k: 4637
max n: 2.372.794
n = 3 5 digits
n = 15 9 digits
n = 35 15 digits
n = 131 44 digits
n = 267 85 digits
n = 327 103 digits
n = 647 199 digits
n = 1055 322 digits
n = 5559 1678 digits
n = 94919 28578 digits
n = 1612751 485491 digits Jan 2021 Ravi Fernando; PSieve; srsieve; PrimeGrid; LLR
k: 4639
max n: 2.372.789
n = 34 14 digits
n = 54 20 digits
n = 1234 376 digits
n = 2854 863 digits
n = 3694 1116 digits 1993 Jeffrey Young
n = 3706 1120 digits 1993 Jeffrey Young
n = 18498 5573 digits
n = 26950 8117 digits
n = 373906 112561 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 509994 153528 digits May 2010 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 972318 292701 digits Aug 2012 Julien Rolland; PSieve; srsieve; PrimeGrid; LLR
n = 1051950 316673 digits Mar 2013 Eunseok Oh; PSieve; srsieve; PrimeGrid; LLR
n = 3390634 1020687 digits Jan 2022 Charles Jackson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4641
max n: 2.372.712
n = 1 4 digits
n = 4 5 digits
n = 5 6 digits
n = 12 8 digits
n = 15 9 digits
n = 17 9 digits
n = 31 13 digits
n = 32 14 digits
n = 36 15 digits
n = 53 20 digits
n = 59 22 digits
n = 75 27 digits
n = 77 27 digits
n = 133 44 digits
n = 141 47 digits
n = 149 49 digits
n = 164 54 digits
n = 177 57 digits
n = 203 65 digits
n = 219 70 digits
n = 361 113 digits
n = 404 126 digits
n = 511 158 digits
n = 541 167 digits
n = 564 174 digits
n = 601 185 digits
n = 628 193 digits
n = 748 229 digits
n = 768 235 digits
n = 969 296 digits
n = 1101 336 digits
n = 1139 347 digits
n = 1264 385 digits
n = 1285 391 digits
n = 1364 415 digits
n = 1572 477 digits
n = 1871 567 digits
n = 2191 664 digits
n = 2272 688 digits
n = 2433 737 digits
n = 3192 965 digits
n = 4201 1269 digits 1993 Jeffrey Young
n = 4357 1316 digits 1993 Jeffrey Young
n = 4831 1458 digits 1993 Jeffrey Young
n = 7668 2312 digits May 1996 Patrick Demichel
n = 12175 3669 digits
n = 23291 7015 digits
n = 27733 8353 digits
n = 28629 8622 digits
n = 32505 9789 digits
n = 48524 14611 digits
n = 52972 15950 digits
n = 81903 24659 digits
n = 85363 25701 digits
n = 96333 29003 digits
n = 105056 31629 digits
n = 108045 32529 digits
n = 130081 39162 digits
n = 139717 42063 digits
n = 211873 63784 digits
n = 239679 72155 digits
n = 287029 86409 digits
n = 291497 87754 digits
n = 317281 95515 digits
n = 337695 101660 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 370648 111580 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 383731 115519 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 916836 275999 digits Jun 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 933453 281002 digits Jul 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 981229 295384 digits Sep 2012 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 1051005 316388 digits Mar 2013 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 1829104 550619 digits Jan 2024 Marius Vultur; PPSE; PrimeGrid
k: 4643
max n: 2.373.312
n = 49 19 digits
n = 169 55 digits
n = 249 79 digits
n = 313 98 digits
n = 781 239 digits
n = 1681 510 digits
n = 172053 51797 digits
n = 345973 104152 digits Apr 2012 Michael Becker; PPSE; PrimeGrid
n = 1402297 422138 digits Apr 2016 Oleksandr Vynogradov; PSieve; srsieve; PrimeGrid; LLR
k: 4645
max n: 2.372.707
n = 8 7 digits
n = 14 8 digits
n = 30 13 digits
n = 36 15 digits
n = 46 18 digits
n = 180 58 digits
n = 182 59 digits
n = 288 91 digits
n = 422 131 digits
n = 864 264 digits
n = 884 270 digits
n = 1128 344 digits
n = 1152 351 digits
n = 1236 376 digits
n = 1332 405 digits
n = 3022 914 digits
n = 3480 1052 digits 1993 Jeffrey Young
n = 3958 1196 digits 1993 Jeffrey Young
n = 8940 2695 digits
n = 29174 8786 digits
n = 50552 15222 digits
n = 81852 24644 digits
n = 127086 38261 digits
n = 179110 53922 digits
n = 234236 70516 digits
n = 669518 201549 digits Apr 2011 Mykola Havrikov; PSieve; srsieve; PrimeGrid; LLR
n = 820172 246901 digits Apr 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1108124 333583 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1600536 481814 digits Sep 2020 Zoltan Kemenes; PSieve; srsieve; PrimeGrid; LLR
n = 2178236 655719 digits Feb 2025 Christian Carquillat; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4647
max n: 2.373.022
n = 4 5 digits
n = 8 7 digits
n = 20 10 digits
n = 22 11 digits
n = 28 13 digits
n = 34 14 digits
n = 38 16 digits
n = 44 17 digits
n = 46 18 digits
n = 52 20 digits
n = 56 21 digits
n = 74 26 digits
n = 80 28 digits
n = 110 37 digits
n = 176 57 digits
n = 196 63 digits
n = 208 67 digits
n = 212 68 digits
n = 248 79 digits
n = 263 83 digits
n = 430 134 digits
n = 508 157 digits
n = 518 160 digits
n = 680 209 digits
n = 803 246 digits
n = 2107 638 digits
n = 3940 1190 digits 1993 Jeffrey Young
n = 4964 1498 digits 1993 Jeffrey Young
n = 6019 1816 digits
n = 6592 1989 digits
n = 7375 2224 digits May 1996 Patrick Demichel
n = 7760 2340 digits May 1996 Patrick Demichel
n = 14879 4483 digits
n = 15730 4739 digits
n = 19495 5873 digits
n = 27812 8376 digits
n = 40124 12083 digits
n = 49912 15029 digits
n = 56272 16944 digits Mar 1999 Tadashi Taura; Proth
n = 72656 21876 digits
n = 95216 28667 digits
n = 102718 30925 digits
n = 140044 42162 digits
n = 140620 42335 digits
n = 167438 50408 digits
n = 171287 51567 digits
n = 178592 53766 digits
n = 185287 55781 digits
n = 196652 59202 digits
n = 258994 77969 digits
n = 320843 96588 digits
n = 349286 105150 digits Apr 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 449407 135289 digits Jan 2013 Brook Harste; PPSE; PrimeGrid
n = 536644 161550 digits Jul 2010 Scott Nicholls; PSieve; srsieve; PrimeGrid; LLR
n = 588140 177052 digits Dec 2010 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 621346 187048 digits Feb 2011 Takaharu Yamamura; PSieve; srsieve; PrimeGrid; LLR
n = 624902 188118 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 926758 278986 digits Jun 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1078904 324787 digits Apr 2013 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 1589572 478513 digits Sep 2020 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1961395 590443 digits May 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2062439 620860 digits Jan 2025 Dr. James Scott Brown; PPSE; PrimeGrid
n = 2139043 643920 digits Jan 2025 Thorsten Sambale; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4649
max n: 2.372.790
n = 7 6 digits
n = 11 7 digits
n = 37 15 digits
n = 47 18 digits
n = 83 29 digits
n = 93 32 digits
n = 127 42 digits
n = 131 44 digits
n = 141 47 digits
n = 223 71 digits
n = 229 73 digits
n = 397 124 digits
n = 1507 458 digits
n = 2261 685 digits
n = 3509 1060 digits 1993 Jeffrey Young
n = 3791 1145 digits 1993 Jeffrey Young
n = 9991 3012 digits
n = 24333 7329 digits
n = 44221 13316 digits
n = 93319 28096 digits
n = 150133 45199 digits
n = 258467 77810 digits
n = 543851 163720 digits Aug 2010 Jedidiah Smith; PSieve; srsieve; PrimeGrid; LLR
n = 894223 269192 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
k: 4651
max n: 2.373.264
n = 72 26 digits
n = 96 33 digits
n = 828 253 digits
n = 948 290 digits
n = 4380 1323 digits 1993 Jeffrey Young
n = 34056 10256 digits
n = 45252 13626 digits
n = 88152 26541 digits
n = 1262232 379974 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 4653
max n: 2.372.784
n = 4 5 digits
n = 6 6 digits
n = 9 7 digits
n = 10 7 digits
n = 13 8 digits
n = 69 25 digits
n = 76 27 digits
n = 90 31 digits
n = 157 51 digits
n = 193 62 digits
n = 222 71 digits
n = 234 75 digits
n = 246 78 digits
n = 376 117 digits
n = 510 158 digits
n = 606 187 digits
n = 769 236 digits
n = 846 259 digits
n = 1120 341 digits
n = 1540 468 digits
n = 3985 1204 digits 1993 Jeffrey Young
n = 5326 1607 digits
n = 5346 1613 digits
n = 5502 1660 digits
n = 6909 2084 digits Mar 1996 Patrick Demichel
n = 8740 2635 digits
n = 10353 3121 digits
n = 10594 3193 digits
n = 12546 3781 digits
n = 12964 3907 digits
n = 13294 4006 digits
n = 30990 9333 digits
n = 34713 10454 digits
n = 34900 10510 digits
n = 51616 15542 digits
n = 54738 16482 digits
n = 63666 19170 digits
n = 64420 19397 digits
n = 65278 19655 digits
n = 66657 20070 digits
n = 66925 20151 digits
n = 112324 33817 digits
n = 116133 34964 digits
n = 150304 45250 digits
n = 256798 77308 digits
n = 383778 115533 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 504693 151932 digits May 2010 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 622186 187301 digits Feb 2011 Enzo Castigliola; PSieve; srsieve; PrimeGrid; LLR
n = 850708 256093 digits May 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 911692 274451 digits Jun 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1377309 414615 digits Jan 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2358337 709934 digits Apr 2026 Hugh Myers; PPSE; PrimeGrid
k: 4655
max n: 2.372.240
n = 1 4 digits
n = 5 6 digits
n = 13 8 digits
n = 19 10 digits
n = 21 10 digits
n = 27 12 digits
n = 55 21 digits
n = 63 23 digits
n = 69 25 digits
n = 73 26 digits
n = 87 30 digits
n = 113 38 digits
n = 185 60 digits
n = 385 120 digits
n = 403 125 digits
n = 517 160 digits
n = 551 170 digits
n = 621 191 digits
n = 809 248 digits
n = 1081 330 digits
n = 1733 526 digits
n = 2073 628 digits
n = 2673 809 digits
n = 2945 891 digits
n = 3619 1094 digits 1993 Jeffrey Young
n = 4513 1363 digits 1993 Jeffrey Young
n = 5369 1620 digits
n = 6773 2043 digits Mar 1996 Patrick Demichel
n = 14171 4270 digits
n = 15991 4818 digits
n = 18205 5484 digits
n = 19935 6005 digits
n = 20495 6174 digits
n = 42067 12668 digits
n = 59815 18010 digits
n = 86351 25998 digits
n = 94557 28469 digits
n = 234297 70535 digits
n = 283065 85215 digits
n = 339107 102086 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 477111 143629 digits Nov 2009 Robert Jung; srsieve; PrimeGrid; LLR
n = 576917 173673 digits Nov 2010 Jonathan Pinyan; PSieve; srsieve; PrimeGrid; LLR
n = 1570941 472905 digits Feb 2020 James Early; PSieve; srsieve; PrimeGrid; LLR
n = 1694265 510029 digits May 2022 Gregory Bennett; PPSE; PrimeGrid
n = 2109779 635111 digits Jan 2025 Nicholas Mukanos; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4657
max n: 2.372.889
n = 6 6 digits
n = 10 7 digits
n = 20 10 digits
n = 22 11 digits
n = 28 13 digits
n = 92 32 digits
n = 148 49 digits
n = 174 57 digits
n = 334 105 digits
n = 396 123 digits
n = 582 179 digits
n = 940 287 digits
n = 2034 616 digits
n = 3078 931 digits
n = 3380 1022 digits 1993 Jeffrey Young
n = 4222 1275 digits 1993 Jeffrey Young
n = 5356 1616 digits
n = 6738 2033 digits Mar 1996 Patrick Demichel
n = 12022 3623 digits
n = 22182 6682 digits
n = 22350 6732 digits
n = 23050 6943 digits
n = 34038 10251 digits
n = 34186 10295 digits
n = 39228 11813 digits
n = 48702 14665 digits
n = 53658 16157 digits
n = 72580 21853 digits
n = 104692 31520 digits
n = 116418 35049 digits
n = 172604 51963 digits
n = 246330 74157 digits
n = 259174 78023 digits
n = 892938 268805 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 935388 281584 digits Jul 2012 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
k: 4659
max n: 2.372.650
n = 1 4 digits
n = 2 5 digits
n = 3 5 digits
n = 15 9 digits
n = 27 12 digits
n = 31 14 digits
n = 47 18 digits
n = 50 19 digits
n = 54 20 digits
n = 73 26 digits
n = 98 34 digits
n = 107 36 digits
n = 157 51 digits
n = 195 63 digits
n = 199 64 digits
n = 322 101 digits
n = 327 103 digits
n = 363 113 digits
n = 434 135 digits
n = 471 146 digits
n = 685 210 digits
n = 843 258 digits
n = 894 273 digits
n = 1319 401 digits
n = 1423 433 digits
n = 1599 486 digits
n = 1643 499 digits
n = 2119 642 digits
n = 3111 941 digits
n = 4490 1356 digits 1993 Jeffrey Young
n = 4778 1442 digits 1993 Jeffrey Young
n = 4791 1446 digits 1993 Jeffrey Young
n = 4891 1477 digits 1993 Jeffrey Young
n = 5575 1682 digits
n = 5931 1790 digits
n = 6170 1862 digits
n = 10935 3296 digits
n = 12199 3676 digits
n = 18898 5693 digits
n = 18963 5713 digits
n = 19258 5801 digits
n = 21050 6341 digits
n = 47918 14429 digits
n = 50303 15147 digits
n = 52203 15719 digits
n = 53415 16084 digits
n = 98118 29541 digits
n = 100827 30356 digits
n = 106591 32091 digits
n = 111387 33535 digits
n = 145143 43697 digits
n = 197478 59451 digits
n = 221074 66554 digits
n = 251991 75861 digits
n = 255110 76800 digits
n = 272174 81937 digits
n = 277361 83498 digits
n = 290677 87507 digits
n = 307947 92705 digits
n = 329595 99222 digits
n = 463751 139607 digits Jul 2009 Colin Nish; srsieve; PrimeGrid; LLR
n = 593729 178734 digits Dec 2010 Aleksander Makowski; PSieve; srsieve; PrimeGrid; LLR
n = 922523 277711 digits Jun 2012 Manabu Saito; PSieve; srsieve; PrimeGrid; LLR
n = 1281914 385899 digits Jun 2014 Yuki Yoshigoe; PSieve; srsieve; PrimeGrid; LLR
n = 1284727 386746 digits Jul 2014 Hossein Mohammadi Ghafari; PSieve; srsieve; PrimeGrid; LLR
n = 1503682 452658 digits Oct 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1835458 552532 digits Jan 2024 Jiri Jaros; PPSE; PrimeGrid
n = 2098694 631774 digits Jan 2025 Honza Cholt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2102657 632967 digits Jan 2025 Mark Williams; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2247999 676719 digits Mar 2025 Ryo Takahashi; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2367718 712758 digits May 2026 Ryo Takahashi; PPSE; PrimeGrid
k: 4661
max n: 2.373.232
n = 1 4 digits
n = 5 6 digits
n = 17 9 digits
n = 23 11 digits
n = 65 24 digits
n = 73 26 digits
n = 149 49 digits
n = 227 73 digits
n = 245 78 digits
n = 287 91 digits
n = 341 107 digits
n = 461 143 digits
n = 497 154 digits
n = 587 181 digits
n = 1133 345 digits
n = 1373 417 digits
n = 2921 883 digits
n = 7513 2266 digits May 1996 Patrick Demichel
n = 18185 5478 digits
n = 19033 5734 digits
n = 29651 8930 digits
n = 46409 13975 digits
n = 102941 30992 digits
n = 141001 42450 digits
n = 158129 47606 digits
n = 302249 90990 digits
n = 384265 115679 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 498599 150097 digits Apr 2010 Tanya Puckett; PSieve; srsieve; PrimeGrid; LLR
n = 572309 172286 digits Nov 2010 Michael Herder; PSieve; srsieve; PrimeGrid; LLR
n = 714661 215139 digits Nov 2011 Tomasz R. Gwiazda; PSieve; srsieve; PrimeGrid; LLR
n = 1459313 439301 digits Oct 2017 Albert J. Klein; PSieve; srsieve; PrimeGrid; LLR
k: 4663
max n: 2.372.835
n = 4 5 digits
n = 8 7 digits
n = 14 8 digits
n = 16 9 digits
n = 38 16 digits
n = 116 39 digits
n = 138 46 digits
n = 196 63 digits
n = 268 85 digits
n = 316 99 digits
n = 338 106 digits
n = 534 165 digits
n = 648 199 digits
n = 2376 719 digits
n = 4348 1313 digits 1993 Jeffrey Young
n = 4994 1508 digits 1993 Jeffrey Young
n = 7056 2128 digits Mar 1996 Patrick Demichel
n = 8328 2511 digits
n = 8544 2576 digits
n = 13682 4123 digits
n = 20856 6282 digits
n = 34976 10533 digits
n = 35276 10623 digits
n = 35476 10684 digits
n = 36812 11086 digits
n = 96816 29149 digits
n = 238012 71653 digits
n = 266978 80373 digits
n = 402136 121059 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 741244 223141 digits Feb 2012 Yuri Borovoy; PSieve; srsieve; PrimeGrid; LLR
n = 1553932 467784 digits Jan 2020 Anthony Ayiomamitis; PSieve; srsieve; PrimeGrid; LLR
n = 1570696 472831 digits Feb 2020 Frank Doornink; PSieve; srsieve; PrimeGrid; LLR
n = 2062622 620915 digits Jan 2025 Zack Friedrichsen; PPSE; PrimeGrid
k: 4665
max n: 2.372.792
n = 2 5 digits
n = 3 5 digits
n = 8 7 digits
n = 12 8 digits
n = 14 8 digits
n = 17 9 digits
n = 32 14 digits
n = 39 16 digits
n = 60 22 digits
n = 89 31 digits
n = 104 35 digits
n = 128 43 digits
n = 137 45 digits
n = 158 52 digits
n = 159 52 digits
n = 228 73 digits
n = 272 86 digits
n = 312 98 digits
n = 473 147 digits
n = 633 195 digits
n = 1104 337 digits
n = 1137 346 digits
n = 1533 466 digits
n = 1770 537 digits
n = 2052 622 digits
n = 2732 827 digits
n = 3212 971 digits
n = 5583 1685 digits
n = 6288 1897 digits
n = 7329 2210 digits May 1996 Patrick Demichel
n = 11292 3403 digits
n = 13008 3920 digits
n = 13508 4070 digits
n = 16400 4941 digits
n = 24717 7445 digits
n = 25052 7546 digits
n = 30740 9258 digits
n = 49500 14905 digits
n = 106553 32080 digits
n = 119790 36065 digits
n = 138837 41798 digits
n = 143264 43131 digits
n = 178322 53684 digits
n = 242700 73064 digits
n = 359114 108108 digits May 2012 PPSE; PrimeGrid
n = 399494 120264 digits Jul 2012 Ronny Willig; PPSE; PrimeGrid
n = 416204 125294 digits Oct 2012 Ronny Willig; PPSE; PrimeGrid
n = 546879 164631 digits Sep 2010 Anton Singsø; PSieve; srsieve; PrimeGrid; LLR
n = 760820 229034 digits Feb 2012 Michael Herman; PSieve; srsieve; PrimeGrid; LLR
n = 787244 236988 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 841209 253233 digits Apr 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1050332 316186 digits Mar 2013 Bill Brandt-Gasuen; PSieve; srsieve; PrimeGrid; LLR
n = 1270202 382373 digits May 2014 Eric Clifton; PSieve; srsieve; PrimeGrid; LLR
n = 1642514 494450 digits Aug 2021 Paweł Dec; PSieve; srsieve; PrimeGrid; LLR
n = 3400922 1023784 digits Feb 2022 James Krauss; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4667
max n: 2.372.834
n = 3 5 digits
n = 75 27 digits
n = 295 93 digits
n = 763 234 digits
n = 1215 370 digits
n = 9531 2873 digits
n = 70075 21099 digits
n = 146275 44037 digits
n = 648123 195109 digits Feb 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 850615 256065 digits May 2012 Valter Cavecchia; PSieve; srsieve; PrimeGrid; LLR
n = 1028919 309740 digits Oct 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
k: 4669
max n: 2.372.701
n = 6 6 digits
n = 10 7 digits
n = 18 10 digits
n = 42 17 digits
n = 46 18 digits
n = 106 36 digits
n = 158 52 digits
n = 162 53 digits
n = 190 61 digits
n = 210 67 digits
n = 1038 317 digits
n = 1486 451 digits
n = 2610 790 digits
n = 3330 1007 digits 1993 Jeffrey Young
n = 4766 1439 digits 1993 Jeffrey Young
n = 12354 3723 digits
n = 15978 4814 digits
n = 39054 11761 digits
n = 62162 18717 digits
n = 71602 21559 digits
n = 206062 62035 digits
n = 249594 75139 digits
n = 467542 140748 digits Aug 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 484298 145792 digits Jan 2010 Mike Parker; PSieve; srsieve; PrimeGrid; LLR
n = 812834 244692 digits Mar 2012 Sebastien Michelot; PSieve; srsieve; PrimeGrid; LLR
n = 1346130 405230 digits Jul 2015 Mark Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1595598 480327 digits Sep 2020 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1953446 588050 digits May 2024 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4671
max n: 2.372.936
n = 1 4 digits
n = 3 5 digits
n = 7 6 digits
n = 17 9 digits
n = 20 10 digits
n = 21 10 digits
n = 31 14 digits
n = 43 17 digits
n = 87 30 digits
n = 165 54 digits
n = 217 69 digits
n = 301 95 digits
n = 335 105 digits
n = 357 112 digits
n = 443 138 digits
n = 715 219 digits
n = 863 264 digits
n = 953 291 digits
n = 1453 442 digits
n = 1817 551 digits
n = 2703 818 digits
n = 3399 1027 digits 1993 Jeffrey Young
n = 3427 1036 digits 1993 Jeffrey Young
n = 4155 1255 digits 1993 Jeffrey Young
n = 4259 1286 digits 1993 Jeffrey Young
n = 4507 1361 digits 1993 Jeffrey Young
n = 4981 1504 digits 1993 Jeffrey Young
n = 6283 1896 digits
n = 12295 3705 digits
n = 14111 4252 digits
n = 15927 4799 digits
n = 18164 5472 digits
n = 20085 6050 digits
n = 22799 6867 digits
n = 29909 9008 digits
n = 31017 9341 digits
n = 32203 9698 digits
n = 41129 12385 digits
n = 71801 21618 digits
n = 71925 21656 digits
n = 92285 27785 digits
n = 105605 31794 digits
n = 177475 53429 digits
n = 243715 73370 digits
n = 476617 143480 digits Oct 2009 Tony Hopman; srsieve; PrimeGrid; LLR
n = 550227 165639 digits Sep 2010 Maciej Deorowicz; PSieve; srsieve; PrimeGrid; LLR
n = 606949 182714 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1063713 320214 digits Mar 2013 Mike Ingram; PSieve; srsieve; PrimeGrid; LLR
n = 2195256 660842 digits Feb 2025 Jann Kickler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4673
max n: 2.373.440
n = 21 10 digits
n = 41 17 digits
n = 45 18 digits
n = 53 20 digits
n = 113 38 digits
n = 141 47 digits
n = 393 122 digits
n = 465 144 digits
n = 525 162 digits
n = 6093 1838 digits
n = 72161 21727 digits
n = 75545 22745 digits
n = 83765 25220 digits
n = 99933 30087 digits
n = 147885 44522 digits
n = 246753 74284 digits
n = 1536693 462595 digits Apr 2019 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
k: 4675
max n: 2.372.791
n = 2 5 digits
n = 22 11 digits
n = 26 12 digits
n = 76 27 digits
n = 86 30 digits
n = 106 36 digits
n = 140 46 digits
n = 160 52 digits
n = 200 64 digits
n = 296 93 digits
n = 434 135 digits
n = 838 256 digits
n = 962 294 digits
n = 976 298 digits
n = 1036 316 digits
n = 2086 632 digits
n = 2548 771 digits
n = 2714 821 digits
n = 4840 1461 digits 1993 Jeffrey Young
n = 5294 1598 digits
n = 6544 1974 digits
n = 13732 4138 digits
n = 43174 13001 digits
n = 44314 13344 digits
n = 64012 19274 digits
n = 67298 20263 digits
n = 122846 36985 digits
n = 136522 41101 digits
n = 154900 46634 digits
n = 199756 60137 digits
n = 212506 63975 digits
n = 591046 177927 digits Dec 2010 Rolf Weibel; PSieve; srsieve; PrimeGrid; LLR
n = 737200 221923 digits Feb 2012 Yuriy Bogachov; PSieve; srsieve; PrimeGrid; LLR
n = 785114 236347 digits Mar 2012 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 2348780 707057 digits Mar 2026 Sebastien Deram; PPSE; PrimeGrid
k: 4677
max n: 2.372.661
n = 6 6 digits
n = 7 6 digits
n = 10 7 digits
n = 42 17 digits
n = 55 21 digits
n = 71 26 digits
n = 127 42 digits
n = 135 45 digits
n = 220 70 digits
n = 306 96 digits
n = 959 293 digits
n = 1276 388 digits
n = 1407 428 digits
n = 1672 507 digits
n = 2392 724 digits
n = 2639 799 digits
n = 3306 999 digits
n = 3426 1035 digits 1993 Jeffrey Young
n = 5631 1699 digits
n = 5970 1801 digits
n = 6407 1933 digits
n = 6847 2065 digits Mar 1996 Patrick Demichel
n = 7550 2277 digits May 1996 Patrick Demichel
n = 9732 2934 digits
n = 10426 3143 digits
n = 13271 3999 digits
n = 13332 4018 digits
n = 13431 4047 digits
n = 13590 4095 digits
n = 17607 5304 digits
n = 19586 5900 digits
n = 31336 9437 digits
n = 42372 12759 digits
n = 49692 14963 digits
n = 76310 22976 digits
n = 143146 43095 digits
n = 277636 83581 digits
n = 367762 110712 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 446662 134463 digits Jan 2013 Philipp Bliedung; PPSE; PrimeGrid
n = 721311 217140 digits Nov 2011 Zheng RongWei; PSieve; srsieve; PrimeGrid; LLR
n = 823860 248011 digits Apr 2012 Jianwen Ling; PSieve; srsieve; PrimeGrid; LLR
n = 1085752 326848 digits Apr 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1430031 430486 digits Dec 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1483396 446551 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
k: 4679
max n: 2.372.834
n = 5 6 digits
n = 17 9 digits
n = 27 12 digits
n = 945 289 digits
n = 1751 531 digits
n = 2285 692 digits
n = 5895 1779 digits
n = 20295 6114 digits
n = 35115 10575 digits
n = 52937 15940 digits
k: 4681
max n: 2.372.787
n = 4 5 digits
n = 40 16 digits
n = 304 96 digits
n = 564 174 digits
n = 1152 351 digits
n = 2952 893 digits
n = 9780 2948 digits
n = 13428 4046 digits
n = 175524 52842 digits
n = 283200 85256 digits
n = 469204 141249 digits Sep 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 1807404 544087 digits Jan 2024 Wes Hewitt; PPSE; PrimeGrid
k: 4683
max n: 2.373.173
n = 4 5 digits
n = 8 7 digits
n = 13 8 digits
n = 16 9 digits
n = 18 10 digits
n = 20 10 digits
n = 44 17 digits
n = 48 19 digits
n = 90 31 digits
n = 128 43 digits
n = 228 73 digits
n = 445 138 digits
n = 461 143 digits
n = 568 175 digits
n = 1866 566 digits
n = 2898 877 digits
n = 3116 942 digits
n = 3520 1064 digits 1993 Jeffrey Young
n = 5056 1526 digits
n = 10397 3134 digits
n = 11981 3611 digits
n = 15798 4760 digits
n = 20068 6045 digits
n = 25500 7680 digits
n = 40373 12158 digits
n = 66444 20006 digits
n = 81797 24628 digits
n = 87788 26431 digits
n = 95925 28880 digits
n = 132904 40012 digits
n = 136908 41218 digits
n = 143784 43287 digits
n = 217317 65423 digits
n = 221165 66581 digits
n = 242610 73037 digits
n = 256528 77227 digits
n = 444269 133742 digits Dec 2012 Rick Reynolds; PPSE; PrimeGrid
k: 4685
max n: 2.372.862
n = 1 4 digits
n = 5 6 digits
n = 7 6 digits
n = 29 13 digits
n = 31 14 digits
n = 37 15 digits
n = 53 20 digits
n = 85 30 digits
n = 113 38 digits
n = 119 40 digits
n = 145 48 digits
n = 207 66 digits
n = 409 127 digits
n = 425 132 digits
n = 485 150 digits
n = 509 157 digits
n = 637 196 digits
n = 691 212 digits
n = 1757 533 digits
n = 1795 545 digits
n = 2587 783 digits
n = 7177 2165 digits May 1996 Patrick Demichel
n = 7589 2289 digits May 1996 Patrick Demichel
n = 8033 2422 digits May 1996 Patrick Demichel
n = 9821 2961 digits
n = 26885 8097 digits
n = 27731 8352 digits
n = 55291 16648 digits
n = 100663 30307 digits
n = 205769 61947 digits
n = 265043 79790 digits
n = 265729 79997 digits
n = 365467 110021 digits May 2012 PPSE; PrimeGrid
n = 459679 138381 digits Jun 2009 Jochen Beck; srsieve; PrimeGrid; LLR
n = 506359 152433 digits May 2010 Jeff Thornton; PSieve; srsieve; PrimeGrid; LLR
n = 589381 177426 digits Dec 2010 Dirk Dhuyvetters; PSieve; srsieve; PrimeGrid; LLR
n = 708965 213424 digits Sep 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 709439 213567 digits Sep 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1201757 361769 digits Nov 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1341209 403748 digits Jun 2015 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1448857 436154 digits May 2017 Danilo Vieira; PSieve; srsieve; PrimeGrid; LLR
n = 1775561 534501 digits Nov 2023 Yegor Ryabchikov; PPSE; PrimeGrid
k: 4687
max n: 2.372.073
n = 2 5 digits
n = 6 6 digits
n = 18 10 digits
n = 24 11 digits
n = 26 12 digits
n = 30 13 digits
n = 38 16 digits
n = 48 19 digits
n = 50 19 digits
n = 60 22 digits
n = 64 23 digits
n = 92 32 digits
n = 108 37 digits
n = 126 42 digits
n = 150 49 digits
n = 162 53 digits
n = 176 57 digits
n = 186 60 digits
n = 200 64 digits
n = 204 66 digits
n = 286 90 digits
n = 326 102 digits
n = 336 105 digits
n = 356 111 digits
n = 428 133 digits
n = 772 237 digits
n = 834 255 digits
n = 888 271 digits
n = 1090 332 digits
n = 1586 482 digits
n = 2306 698 digits
n = 2594 785 digits
n = 2998 907 digits
n = 3368 1018 digits 1993 Jeffrey Young
n = 3576 1081 digits 1993 Jeffrey Young
n = 3620 1094 digits 1993 Jeffrey Young
n = 3636 1099 digits 1993 Jeffrey Young
n = 3842 1161 digits 1993 Jeffrey Young
n = 5014 1514 digits
n = 6338 1912 digits
n = 6422 1937 digits
n = 14354 4325 digits
n = 21418 6452 digits
n = 33550 10104 digits
n = 34054 10255 digits
n = 34886 10506 digits
n = 44768 13481 digits
n = 45644 13744 digits
n = 52176 15711 digits
n = 53224 16026 digits
n = 61930 18647 digits
n = 78824 23733 digits
n = 89386 26912 digits
n = 90144 27140 digits
n = 98876 29769 digits
n = 111636 33610 digits
n = 177026 53294 digits
n = 186274 56078 digits
n = 249464 75100 digits
n = 265452 79913 digits
n = 324330 97637 digits
n = 326014 98144 digits
n = 346250 104236 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 348842 105016 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 425808 128185 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 567052 170704 digits Nov 2010 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 605378 182241 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 815334 245444 digits Mar 2012 Adrian Reber; PSieve; srsieve; PrimeGrid; LLR
n = 958956 288679 digits Aug 2012 Jonathan Martichuski; PSieve; srsieve; PrimeGrid; LLR
n = 983834 296168 digits Sep 2012 Andrei Ryjkov; PSieve; srsieve; PrimeGrid; LLR
n = 1091954 328715 digits May 2013 Jeremie Gremont; PSieve; srsieve; PrimeGrid; LLR
n = 1327314 399565 digits Mar 2015 Silvio Gordiani; PSieve; srsieve; PrimeGrid; LLR
n = 1429166 430226 digits Dec 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1534272 461866 digits Mar 2019 Patrick Schmeer; PSieve; srsieve; PrimeGrid; LLR
n = 1958068 589441 digits May 2024 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2015152 606625 digits Nov 2024 Glenn Hall; PPSE; PrimeGrid
n = 3485926 1049372 digits Oct 2023 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4689
max n: 2.372.784
n = 2 5 digits
n = 13 8 digits
n = 49 19 digits
n = 86 30 digits
n = 98 34 digits
n = 149 49 digits
n = 511 158 digits
n = 559 172 digits
n = 695 213 digits
n = 713 219 digits
n = 973 297 digits
n = 1283 390 digits
n = 2171 658 digits
n = 4081 1233 digits 1993 Jeffrey Young
n = 5126 1547 digits
n = 8039 2424 digits
n = 8114 2447 digits May 1996 Patrick Demichel
n = 9271 2795 digits Aug 1999 Takahiro Nohara; Proth
n = 9995 3013 digits
n = 15203 4581 digits
n = 15343 4623 digits
n = 16559 4989 digits
n = 16813 5065 digits
n = 40103 12076 digits
n = 45079 13574 digits
n = 50611 15240 digits
n = 91099 27428 digits
n = 103946 31295 digits
n = 116894 35193 digits
n = 145481 43798 digits
n = 280831 84543 digits
n = 283015 85200 digits
n = 310421 93450 digits
n = 316015 95134 digits
n = 411235 123798 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 427123 128581 digits Nov 2012 Nikolaos Derziotis; PPSE; PrimeGrid
n = 472586 142267 digits Nov 2009 Steffen Klaus; srsieve; PrimeGrid; SG Booster; LLR
n = 657043 197794 digits Mar 2011 Steven F. Bohl; PSieve; srsieve; PrimeGrid; LLR
n = 974425 293335 digits Aug 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1098986 330832 digits Jun 2013 Yuki Yoshigoe; PSieve; srsieve; PrimeGrid; LLR
n = 1161271 349582 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1442882 434355 digits Feb 2017 Gary Bauer; PSieve; srsieve; PrimeGrid; LLR
n = 1477865 444886 digits Feb 2018 Andrew Borowski; PSieve; srsieve; PrimeGrid; LLR
n = 1786466 537784 digits Dec 2023 Robert Lacroix; PPSE; PrimeGrid
n = 1965089 591555 digits May 2024 Hugh Myers; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4691
max n: 2.373.258
n = 3 5 digits
n = 7 6 digits
n = 57 21 digits
n = 73 26 digits
n = 115 39 digits
n = 237 76 digits
n = 885 271 digits
n = 1057 322 digits
n = 1189 362 digits
n = 2017 611 digits
n = 2799 847 digits
n = 3557 1075 digits 1993 Jeffrey Young
n = 3709 1121 digits 1993 Jeffrey Young
n = 3837 1159 digits 1993 Jeffrey Young
n = 4039 1220 digits 1993 Jeffrey Young
n = 9199 2773 digits
n = 17625 5310 digits
n = 24949 7515 digits
n = 25185 7586 digits
n = 81483 24533 digits
n = 128479 38680 digits
n = 133237 40113 digits
n = 139615 42032 digits
n = 196539 59168 digits
n = 332857 100204 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 519809 156482 digits Jun 2010 Lammert van der Veen; PSieve; srsieve; PrimeGrid; LLR
n = 1602049 482269 digits Sep 2020 Hiroyuki Okazaki; PSieve; srsieve; PrimeGrid; LLR
n = 2024659 609487 digits Dec 2024 Jonathan Gehrke; PPSE; PrimeGrid
k: 4693
max n: 2.371.975
n = 2 5 digits
n = 30 13 digits
n = 50 19 digits
n = 56 21 digits
n = 186 60 digits
n = 194 63 digits
n = 366 114 digits
n = 534 165 digits
n = 672 206 digits
n = 830 254 digits
n = 1586 482 digits
n = 8886 2679 digits
n = 34130 10278 digits
n = 57800 17404 digits
n = 133206 40103 digits
n = 262890 79142 digits
n = 565842 170340 digits Oct 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 622730 187465 digits Feb 2011 Bruno Courty; PSieve; srsieve; PrimeGrid; LLR
n = 678314 204197 digits Aug 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 731432 220187 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 898026 270337 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1384040 416642 digits Feb 2016 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1972574 593808 digits Jun 2024 Lev Provotorin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4695
max n: 2.372.153
n = 1 4 digits
n = 3 5 digits
n = 6 6 digits
n = 7 6 digits
n = 10 7 digits
n = 16 9 digits
n = 24 11 digits
n = 28 13 digits
n = 36 15 digits
n = 42 17 digits
n = 48 19 digits
n = 64 23 digits
n = 93 32 digits
n = 217 69 digits
n = 234 75 digits
n = 276 87 digits
n = 310 97 digits
n = 505 156 digits
n = 507 157 digits
n = 561 173 digits
n = 738 226 digits
n = 1005 307 digits
n = 1036 316 digits
n = 1290 393 digits
n = 1312 399 digits
n = 1584 481 digits
n = 2334 707 digits
n = 2494 755 digits
n = 2956 894 digits
n = 5397 1629 digits
n = 5998 1810 digits
n = 7125 2149 digits May 1996 Patrick Demichel
n = 7605 2294 digits May 1996 Patrick Demichel
n = 10413 3139 digits
n = 11340 3418 digits
n = 14577 4392 digits
n = 21582 6501 digits
n = 29077 8757 digits
n = 32605 9819 digits
n = 36042 10854 digits
n = 37495 11291 digits Mar 1999 Tadashi Taura; Proth
n = 38710 11657 digits Mar 1999 Tadashi Taura; Proth
n = 58038 17475 digits
n = 60588 18243 digits
n = 61554 18534 digits
n = 80548 24252 digits
n = 143385 43167 digits
n = 159708 48081 digits
n = 161196 48529 digits
n = 218025 65636 digits
n = 231714 69757 digits
n = 231916 69818 digits
n = 359466 108214 digits May 2012 PPSE; PrimeGrid
n = 612256 184312 digits Jan 2011 John S Morris III; PSieve; srsieve; PrimeGrid; LLR
n = 781278 235192 digits Feb 2012 Nat Juchems; PSieve; srsieve; PrimeGrid; LLR
n = 3388393 1020012 digits Dec 2021 Wolfgang Schwieger; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4697
max n: 2.372.402
n = 11 7 digits
n = 23 11 digits
n = 39 16 digits
n = 91 32 digits
n = 219 70 digits
n = 239 76 digits
n = 407 127 digits
n = 903 276 digits
n = 1155 352 digits
n = 3115 942 digits
n = 11463 3455 digits
n = 45883 13816 digits
n = 841647 253365 digits Apr 2012 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1035031 311580 digits Jan 2013 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1064875 320563 digits Apr 2013 Takashi Iwasaki; PSieve; srsieve; PrimeGrid; LLR
k: 4699
max n: 2.373.286
n = 2 5 digits
n = 10 7 digits
n = 22 11 digits
n = 30 13 digits
n = 50 19 digits
n = 102 35 digits
n = 1086 331 digits
n = 1538 467 digits
n = 2110 639 digits
n = 2522 763 digits
n = 9822 2961 digits
n = 12622 3804 digits
n = 24378 7343 digits
n = 28426 8561 digits
n = 341438 102787 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 1002802 301878 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
k: 4701
max n: 2.372.955
n = 1 4 digits
n = 4 5 digits
n = 8 7 digits
n = 11 7 digits
n = 16 9 digits
n = 25 12 digits
n = 31 14 digits
n = 57 21 digits
n = 68 25 digits
n = 105 36 digits
n = 120 40 digits
n = 124 41 digits
n = 140 46 digits
n = 167 54 digits
n = 288 91 digits
n = 352 110 digits
n = 364 114 digits
n = 416 129 digits
n = 897 274 digits
n = 1112 339 digits
n = 2320 703 digits
n = 2324 704 digits
n = 2356 713 digits
n = 2887 873 digits
n = 3000 907 digits
n = 3809 1151 digits 1993 Jeffrey Young
n = 4115 1243 digits 1993 Jeffrey Young
n = 4471 1350 digits 1993 Jeffrey Young
n = 4784 1444 digits 1993 Jeffrey Young
n = 4999 1509 digits 1993 Jeffrey Young
n = 6921 2088 digits Mar 1996 Patrick Demichel
n = 10920 3291 digits
n = 11659 3514 digits
n = 12491 3764 digits
n = 26972 8124 digits
n = 39560 11913 digits
n = 42668 12849 digits
n = 42707 12860 digits Feb 1999 Yves Gallot; Proth
n = 43319 13044 digits
n = 52739 15880 digits
n = 73192 22037 digits
n = 76500 23033 digits
n = 88175 26547 digits
n = 106964 32204 digits
n = 116800 35164 digits
n = 133592 40219 digits
n = 137720 41462 digits
n = 154499 46513 digits
n = 517276 155720 digits Jun 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 555481 167221 digits Oct 2010 Senji Yamashita; PSieve; srsieve; PrimeGrid; LLR
n = 570067 171611 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 663044 199600 digits Apr 2011 Harvey Patterson; PSieve; srsieve; PrimeGrid; LLR
n = 937200 282129 digits Jul 2012 Andrà Deutschmann; PSieve; srsieve; PrimeGrid; LLR
n = 1066492 321050 digits Apr 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1153367 347202 digits Sep 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 3345815 1007195 digits Feb 2021 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4703
max n: 2.373.432
n = 5 6 digits
n = 13 8 digits
n = 25 12 digits
n = 49 19 digits
n = 77 27 digits
n = 545 168 digits
n = 553 171 digits
n = 3113 941 digits
n = 4001 1209 digits 1993 Jeffrey Young
n = 8245 2486 digits May 1996 Patrick Demichel
n = 12973 3909 digits
n = 33077 9961 digits
n = 604945 182111 digits Jan 2011 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 663049 199602 digits Apr 2011 Wolfgang Baumgartner; PSieve; srsieve; PrimeGrid; LLR
n = 724961 218239 digits Nov 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1123597 338241 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 2349181 707178 digits Mar 2026 Ryan Propper; PPSE; PrimeGrid
k: 4705
max n: 2.372.657
n = 10 7 digits
n = 34 14 digits
n = 154 51 digits
n = 260 82 digits
n = 266 84 digits
n = 740 227 digits
n = 2034 616 digits
n = 2476 750 digits
n = 7816 2357 digits
n = 8488 2559 digits
n = 8530 2572 digits
n = 17930 5402 digits
n = 70754 21303 digits
n = 93538 28162 digits
n = 137564 41415 digits
n = 194298 58494 digits
n = 232370 69955 digits
n = 299850 90268 digits
n = 418996 126135 digits Oct 2012 Hans Joachim Böhm; PPSE; PrimeGrid
k: 4707
max n: 2.373.181
n = 3 5 digits
n = 11 7 digits
n = 132 44 digits
n = 219 70 digits
n = 296 93 digits
n = 504 156 digits
n = 515 159 digits
n = 768 235 digits
n = 1188 362 digits
n = 1212 369 digits
n = 1976 599 digits
n = 3108 940 digits
n = 15435 4651 digits
n = 16212 4884 digits
n = 29052 8750 digits
n = 33339 10040 digits
n = 57372 17275 digits
n = 73979 22274 digits
n = 87494 26342 digits
n = 293124 88243 digits
n = 352139 106009 digits May 2012 David Yost; PPSE; PrimeGrid
n = 555984 167372 digits Oct 2010 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 832184 250517 digits Apr 2012 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
k: 4709
max n: 2.373.366
n = 1 4 digits
n = 7 6 digits
n = 9 7 digits
n = 43 17 digits
n = 93 32 digits
n = 109 37 digits
n = 319 100 digits
n = 367 115 digits
n = 411 128 digits
n = 667 205 digits
n = 2407 729 digits
n = 2619 793 digits
n = 3801 1148 digits 1993 Jeffrey Young
n = 4927 1487 digits 1993 Jeffrey Young
n = 5581 1684 digits
n = 6039 1822 digits
n = 10443 3148 digits
n = 11857 3573 digits
n = 12261 3695 digits
n = 13699 4128 digits
n = 16027 4829 digits
n = 22159 6675 digits
n = 66249 19947 digits
n = 82923 24966 digits
n = 85821 25839 digits
n = 94581 28476 digits
n = 169917 51154 digits
n = 202861 61071 digits
n = 707989 213130 digits Sep 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 916101 275778 digits Jun 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1190047 358244 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 4711
max n: 2.373.271
n = 4 5 digits
n = 8 7 digits
n = 12 8 digits
n = 28 13 digits
n = 88 31 digits
n = 96 33 digits
n = 228 73 digits
n = 428 133 digits
n = 488 151 digits
n = 624 192 digits
n = 1488 452 digits
n = 2496 756 digits
n = 4492 1356 digits 1993 Jeffrey Young
n = 4544 1372 digits 1993 Jeffrey Young
n = 19364 5833 digits
n = 30328 9134 digits
n = 31948 9621 digits
n = 36488 10988 digits
n = 40136 12086 digits
n = 46192 13909 digits
n = 54784 16496 digits
n = 138412 41670 digits
n = 174388 52500 digits
n = 301264 90694 digits
n = 645848 194424 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
k: 4713
max n: 2.372.811
n = 8 7 digits
n = 17 9 digits
n = 25 12 digits
n = 29 13 digits
n = 33 14 digits
n = 46 18 digits
n = 48 19 digits
n = 60 22 digits
n = 68 25 digits
n = 100 34 digits
n = 105 36 digits
n = 125 42 digits
n = 132 44 digits
n = 260 82 digits
n = 305 96 digits
n = 376 117 digits
n = 377 118 digits
n = 470 146 digits
n = 510 158 digits
n = 577 178 digits
n = 928 284 digits
n = 984 300 digits
n = 1104 337 digits
n = 1205 367 digits
n = 1468 446 digits
n = 4713 1423 digits 1984 Wilfrid Keller
n = 5262 1588 digits
n = 6212 1874 digits
n = 9776 2947 digits
n = 10376 3128 digits
n = 11080 3340 digits
n = 12992 3915 digits
n = 14318 4314 digits
n = 18928 5702 digits
n = 20684 6231 digits
n = 23048 6942 digits
n = 37232 11212 digits
n = 48473 14596 digits
n = 51804 15599 digits
n = 64080 19294 digits
n = 67460 20312 digits
n = 78625 23673 digits
n = 458188 137933 digits Jun 2009 Colin Nish; srsieve; PrimeGrid; LLR
n = 556728 167596 digits Oct 2010 Kiekske Tikkenei; PSieve; srsieve; PrimeGrid; LLR
n = 778877 234470 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1183713 356337 digits Oct 2013 Alan Kong; PSieve; srsieve; PrimeGrid; LLR
n = 1434270 431762 digits Feb 2017 Daniel Frużyński; PSieve; srsieve; PrimeGrid; LLR
n = 1464284 440798 digits Jan 2018 Andrew Borowski; PSieve; srsieve; PrimeGrid; LLR
k: 4715
max n: 2.372.854
n = 1 4 digits
n = 5 6 digits
n = 7 6 digits
n = 9 7 digits
n = 11 7 digits
n = 13 8 digits
n = 27 12 digits
n = 55 21 digits
n = 57 21 digits
n = 71 26 digits
n = 73 26 digits
n = 111 38 digits
n = 129 43 digits
n = 193 62 digits
n = 205 66 digits
n = 305 96 digits
n = 891 272 digits
n = 959 293 digits
n = 969 296 digits
n = 1779 540 digits
n = 1821 552 digits
n = 1993 604 digits
n = 2667 807 digits
n = 4253 1284 digits 1993 Jeffrey Young
n = 5435 1640 digits
n = 5639 1702 digits
n = 11861 3575 digits
n = 11969 3607 digits
n = 17399 5242 digits
n = 23509 7081 digits
n = 26911 8105 digits
n = 32243 9710 digits
n = 33451 10074 digits
n = 39041 11757 digits
n = 50055 15072 digits
n = 60757 18294 digits
n = 69785 21012 digits
n = 70275 21159 digits
n = 123821 37278 digits Feb 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 130941 39421 digits Feb 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 145989 43951 digits Mar 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 307985 92717 digits
n = 389023 117112 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 400845 120671 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 510799 153770 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 530557 159718 digits Jul 2010 Eric Lawson; PSieve; srsieve; PrimeGrid; LLR
n = 539221 162326 digits Aug 2010 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 949917 285958 digits Jul 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1027055 309179 digits Oct 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1097215 330299 digits Jun 2013 PoChun Huang; PSieve; srsieve; PrimeGrid; LLR
n = 1240543 373445 digits Jan 2014 Marshall Bishop; PSieve; srsieve; PrimeGrid; OpenPFGW; LLR
n = 1243711 374398 digits Feb 2014 Oleksandr Natalenko; PSieve; srsieve; PrimeGrid; LLR
n = 1592647 479439 digits Sep 2020 Ondrej Hajek; PSieve; srsieve; PrimeGrid; LLR
n = 1608183 484115 digits Oct 2020 姚乃心; PSieve; srsieve; PrimeGrid; LLR
n = 2085683 627857 digits Jan 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3424433 1030861 digits Jun 2022 Jonathan Drake; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4717
max n: 2.372.907
n = 2 5 digits
n = 14 8 digits
n = 20 10 digits
n = 26 12 digits
n = 44 17 digits
n = 46 18 digits
n = 88 31 digits
n = 92 32 digits
n = 134 45 digits
n = 184 60 digits
n = 224 72 digits
n = 2660 805 digits
n = 6064 1830 digits
n = 7754 2338 digits May 1996 Patrick Demichel
n = 9584 2889 digits
n = 18218 5488 digits
n = 18994 5722 digits
n = 40252 12121 digits
n = 41084 12372 digits
n = 76456 23020 digits
n = 79292 23873 digits
n = 229030 68949 digits
n = 251074 75585 digits
n = 456002 137274 digits May 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 519664 156439 digits Jul 2010 Bruce Southey; PSieve; srsieve; PrimeGrid; LLR
n = 532682 160357 digits Jul 2010 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 645082 194193 digits Feb 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 717100 215873 digits Nov 2011 Nianchuan Jian; PSieve; srsieve; PrimeGrid; LLR
n = 830660 250058 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 980762 295243 digits Sep 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1492604 449323 digits May 2018 James P. Burt; PSieve; srsieve; PrimeGrid; LLR
n = 2112842 636033 digits Jan 2025 Koichi Soraku; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4719
max n: 2.373.170
n = 1 4 digits
n = 5 6 digits
n = 10 7 digits
n = 38 16 digits
n = 47 18 digits
n = 62 23 digits
n = 70 25 digits
n = 98 34 digits
n = 185 60 digits
n = 238 76 digits
n = 421 131 digits
n = 426 132 digits
n = 511 158 digits
n = 527 163 digits
n = 698 214 digits
n = 731 224 digits
n = 827 253 digits
n = 970 296 digits
n = 1075 328 digits
n = 1086 331 digits
n = 1174 358 digits
n = 1502 456 digits
n = 2027 614 digits
n = 3658 1105 digits 1993 Jeffrey Young
n = 4766 1439 digits 1993 Jeffrey Young
n = 6011 1814 digits
n = 6354 1917 digits
n = 7207 2174 digits May 1996 Patrick Demichel
n = 7835 2363 digits
n = 8919 2689 digits
n = 9415 2838 digits
n = 10070 3036 digits
n = 19873 5987 digits
n = 22105 6658 digits
n = 27222 8199 digits
n = 28718 8649 digits
n = 31006 9338 digits
n = 32275 9720 digits
n = 42190 12705 digits
n = 45774 13784 digits
n = 46346 13956 digits
n = 48667 14654 digits
n = 52758 15886 digits
n = 54274 16342 digits
n = 60714 18281 digits
n = 73369 22090 digits
n = 75142 22624 digits
n = 80514 24241 digits
n = 83674 25193 digits
n = 154978 46657 digits
n = 168143 50620 digits
n = 174601 52564 digits
n = 178513 53742 digits
n = 195650 58901 digits
n = 227286 68424 digits
n = 238895 71919 digits
n = 440062 132476 digits Dec 2012 Göran Schmidt; PPSE; PrimeGrid
n = 445115 133997 digits Jan 2013 John Murphy; PPSE; PrimeGrid
n = 499314 150313 digits May 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 549771 165502 digits Sep 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 756566 227753 digits Feb 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 966535 290960 digits Aug 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1054693 317498 digits Mar 2013 Federico Fernandez; PSieve; srsieve; PrimeGrid; LLR
n = 1904575 573338 digits Feb 2024 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2147405 646437 digits Jan 2025 Thorsten Sambale; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4721
max n: 2.373.158
n = 9 7 digits
n = 47 18 digits
n = 63 23 digits
n = 155 51 digits
n = 471 146 digits
n = 479 148 digits
n = 1163 354 digits
n = 1403 427 digits
n = 3453 1044 digits 1993 Jeffrey Young
n = 3719 1124 digits 1993 Jeffrey Young
n = 6867 2071 digits Mar 1996 Patrick Demichel
n = 7419 2238 digits May 1996 Patrick Demichel
n = 7797 2351 digits
n = 10017 3020 digits
n = 12249 3691 digits
n = 15527 4678 digits
n = 16931 5101 digits May 1996 Patrick Demichel
n = 18393 5541 digits
n = 25539 7692 digits
n = 38115 11478 digits
n = 38511 11597 digits
n = 68115 20509 digits
n = 70695 21285 digits
n = 125697 37843 digits
n = 127413 38359 digits
n = 195023 58712 digits
n = 364287 109665 digits May 2012 PPSE; PrimeGrid
n = 380595 114575 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 633387 190673 digits Feb 2011 Thomas Lott; PSieve; srsieve; PrimeGrid; LLR
n = 716067 215562 digits Nov 2011 Christophe Hippeau; PSieve; srsieve; PrimeGrid; LLR
n = 950469 286124 digits Jul 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 2097579 631438 digits Jan 2025 Ondrej Pastierik; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2113725 636299 digits Jan 2025 Jonathan Gehrke; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4723
max n: 2.372.897
n = 6 6 digits
n = 10 7 digits
n = 12 8 digits
n = 48 19 digits
n = 58 22 digits
n = 114 38 digits
n = 168 55 digits
n = 900 275 digits
n = 1284 391 digits
n = 3204 969 digits
n = 5538 1671 digits
n = 5946 1794 digits
n = 7086 2137 digits Mar 1996 Patrick Demichel
n = 14634 4409 digits
n = 16116 4856 digits
n = 45120 13587 digits
n = 180594 54368 digits
n = 202842 61066 digits
n = 222336 66934 digits
n = 230688 69448 digits
n = 339486 102200 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 506922 152603 digits May 2010 Kevin P Erickson; PSieve; srsieve; PrimeGrid; LLR
n = 740382 222881 digits Feb 2012 Raphael Hoegger; PSieve; srsieve; PrimeGrid; LLR
n = 796534 239785 digits Mar 2012 Keith Thompson; PSieve; srsieve; PrimeGrid; LLR
n = 1358346 408907 digits Sep 2015 Kota Fujimori; PSieve; srsieve; PrimeGrid; LLR
n = 1409754 424382 digits Jun 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1415856 426219 digits Jul 2016 Danny T. Morris; PSieve; srsieve; PrimeGrid; LLR
k: 4725
max n: 2.372.792
n = 5 6 digits
n = 7 6 digits
n = 11 7 digits
n = 18 10 digits
n = 19 10 digits
n = 28 13 digits
n = 33 14 digits
n = 35 15 digits
n = 38 16 digits
n = 57 21 digits
n = 67 24 digits
n = 110 37 digits
n = 140 46 digits
n = 198 64 digits
n = 230 73 digits
n = 321 101 digits
n = 359 112 digits
n = 403 125 digits
n = 470 146 digits
n = 563 174 digits
n = 567 175 digits
n = 573 177 digits
n = 574 177 digits
n = 633 195 digits
n = 812 249 digits
n = 1103 336 digits
n = 1620 492 digits
n = 1893 574 digits
n = 2681 811 digits
n = 3027 915 digits
n = 3290 995 digits
n = 4407 1331 digits 1993 Jeffrey Young
n = 5059 1527 digits
n = 5270 1591 digits
n = 6444 1944 digits
n = 6614 1995 digits
n = 7244 2185 digits May 1996 Patrick Demichel
n = 7844 2365 digits
n = 7929 2391 digits
n = 8107 2445 digits
n = 8685 2619 digits
n = 9047 2728 digits
n = 9595 2893 digits
n = 12041 3629 digits
n = 13651 4114 digits
n = 14894 4488 digits
n = 16292 4909 digits
n = 20891 6293 digits
n = 21818 6572 digits
n = 40925 12324 digits
n = 53634 16150 digits
n = 54419 16386 digits Mar 1999 Tadashi Taura; Proth
n = 55901 16832 digits
n = 65391 19689 digits
n = 70478 21220 digits
n = 70563 21246 digits
n = 121571 36601 digits
n = 142794 42989 digits
n = 164010 49376 digits
n = 176270 53067 digits
n = 264238 79548 digits
n = 304569 91689 digits
n = 551468 166013 digits Sep 2010 Adam Ferralli; PSieve; srsieve; PrimeGrid; LLR
n = 739670 222667 digits Feb 2012 Sergii Lavrinenko; PSieve; srsieve; PrimeGrid; LLR
n = 759650 228682 digits Feb 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 803467 241872 digits Mar 2012 Martyn Bamber; PSieve; srsieve; PrimeGrid; LLR
n = 1047189 315239 digits Feb 2013 Charley Gielkens; PSieve; srsieve; PrimeGrid; LLR
n = 1053124 317026 digits Mar 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1180490 355367 digits Oct 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 4727
max n: 2.373.414
n = 227 73 digits
n = 875 268 digits
n = 1183 360 digits
n = 2495 755 digits
n = 6035 1821 digits
n = 7883 2377 digits
n = 24467 7369 digits Dec 1998 Baptiste Heyman; Proth
n = 47995 14452 digits
n = 72943 21962 digits
n = 185215 55759 digits
n = 496039 149327 digits Apr 2010 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 2190475 659403 digits Feb 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4729
max n: 2.373.245
n = 2 5 digits
n = 34 14 digits
n = 58 22 digits
n = 102 35 digits
n = 134 45 digits
n = 146 48 digits
n = 198 64 digits
n = 282 89 digits
n = 326 102 digits
n = 598 184 digits
n = 774 237 digits
n = 1126 343 digits
n = 1198 365 digits
n = 1278 389 digits
n = 2482 751 digits
n = 2862 866 digits
n = 3018 913 digits
n = 3214 972 digits
n = 6222 1877 digits
n = 11418 3441 digits
n = 14514 4373 digits
n = 18126 5461 digits Oct 1996 Patrick Demichel
n = 169346 50982 digits
n = 198274 59691 digits
n = 239578 72124 digits
n = 293766 88437 digits
n = 298402 89832 digits
n = 3426558 1031501 digits Jul 2022 Dao Heng Liu; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4731
max n: 2.372.748
n = 1 4 digits
n = 17 9 digits
n = 20 10 digits
n = 23 11 digits
n = 28 13 digits
n = 32 14 digits
n = 44 17 digits
n = 83 29 digits
n = 109 37 digits
n = 160 52 digits
n = 257 82 digits
n = 473 147 digits
n = 484 150 digits
n = 1531 465 digits
n = 2699 817 digits
n = 2876 870 digits
n = 3299 997 digits
n = 3376 1020 digits 1993 Jeffrey Young
n = 3767 1138 digits 1993 Jeffrey Young
n = 3863 1167 digits 1993 Jeffrey Young
n = 8219 2478 digits
n = 23063 6947 digits 1996 Patrick Demichel
n = 23927 7207 digits
n = 24752 7455 digits
n = 30016 9040 digits
n = 34481 10384 digits
n = 76001 22883 digits
n = 84172 25342 digits
n = 109303 32908 digits
n = 110156 33164 digits
n = 173701 52293 digits
n = 217061 65346 digits
n = 224624 67623 digits
n = 239299 72040 digits
n = 277391 83507 digits
n = 496913 149590 digits
n = 1076503 324064 digits Apr 2013 Dejana Ristic; PSieve; srsieve; PrimeGrid; LLR
n = 1267159 381457 digits May 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2132213 641864 digits Jan 2025 Walter Trautner; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3415712 1028236 digits Apr 2022 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4733
max n: 2.372.764
n = 1 4 digits
n = 21 10 digits
n = 25 12 digits
n = 41 17 digits
n = 81 29 digits
n = 85 30 digits
n = 149 49 digits
n = 185 60 digits
n = 221 71 digits
n = 301 95 digits
n = 545 168 digits
n = 713 219 digits
n = 765 234 digits
n = 865 265 digits
n = 1293 393 digits
n = 4225 1276 digits 1993 Jeffrey Young
n = 4481 1353 digits 1993 Jeffrey Young
n = 5181 1564 digits
n = 8021 2419 digits May 1996 Patrick Demichel
n = 9753 2940 digits
n = 10745 3239 digits
n = 16281 4905 digits
n = 25945 7814 digits
n = 29349 8839 digits
n = 35753 10767 digits
n = 37185 11198 digits
n = 51925 15635 digits
n = 77661 23382 digits
n = 105505 31764 digits
n = 129769 39069 digits
n = 160025 48177 digits
n = 346289 104248 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 661133 199025 digits Apr 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 983833 296167 digits Sep 2012 Dmitry Domanov; PSieve; srsieve; PrimeGrid; LLR
n = 1132293 340858 digits Aug 2013 Arif Mert Kapicioglu; PSieve; srsieve; PrimeGrid; LLR
n = 1232689 371081 digits Jan 2014 Frank Schwegler; PSieve; srsieve; PrimeGrid; LLR
k: 4735
max n: 2.371.975
n = 18 10 digits
n = 24 11 digits
n = 56 21 digits
n = 60 22 digits
n = 66 24 digits
n = 90 31 digits
n = 176 57 digits
n = 320 101 digits
n = 704 216 digits
n = 870 266 digits
n = 920 281 digits
n = 3750 1133 digits 1993 Jeffrey Young
n = 4110 1241 digits 1993 Jeffrey Young
n = 8346 2517 digits
n = 11958 3604 digits
n = 12594 3795 digits
n = 25664 7730 digits
n = 29024 8741 digits
n = 341780 102890 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 401576 120891 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 549384 165385 digits Sep 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 671016 202000 digits Jun 2011 Yuriy Bogachov; PSieve; srsieve; PrimeGrid; LLR
n = 3410724 1026734 digits Mar 2022 Dr. James Scott Brown; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4737
max n: 2.372.859
n = 3 5 digits
n = 4 5 digits
n = 10 7 digits
n = 30 13 digits
n = 39 16 digits
n = 43 17 digits
n = 46 18 digits
n = 70 25 digits
n = 72 26 digits
n = 111 38 digits
n = 144 48 digits
n = 219 70 digits
n = 223 71 digits
n = 235 75 digits
n = 382 119 digits
n = 540 167 digits
n = 2124 644 digits
n = 3414 1032 digits 1993 Jeffrey Young
n = 6634 2001 digits Dec 1998 Bradford James Brown; Proth
n = 8202 2473 digits May 1996 Patrick Demichel
n = 10915 3290 digits
n = 25054 7546 digits
n = 35590 10718 digits
n = 35764 10770 digits
n = 41511 12500 digits
n = 52036 15669 digits
n = 63912 19244 digits
n = 64762 19499 digits
n = 86080 25917 digits
n = 87916 26470 digits
n = 89460 26934 digits
n = 100902 30379 digits
n = 101856 30666 digits
n = 234930 70725 digits
n = 268860 80939 digits
n = 351214 105730 digits Apr 2012 PPSE; PrimeGrid
n = 377206 113554 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 773422 232827 digits Feb 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 851530 256340 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 985810 296763 digits Sep 2012 John Perretta; PSieve; srsieve; PrimeGrid; LLR
n = 1275487 383964 digits Jun 2014 Richard Cervelle; PSieve; srsieve; PrimeGrid; LLR
n = 1367230 411581 digits Nov 2015 Sascha Beat Dinkel; PSieve; srsieve; PrimeGrid; LLR
n = 1498384 451063 digits Aug 2018 James Wypych; PSieve; srsieve; PrimeGrid; LLR
n = 1660102 499745 digits Feb 2022 Jaroslav Sekanina; PSieve; srsieve; PrimeGrid; LLR
n = 3474562 1045952 digits Jun 2023 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4739
max n: 2.373.056
n = 1 4 digits
n = 15 9 digits
n = 17 9 digits
n = 407 127 digits
n = 621 191 digits
n = 1081 330 digits
n = 1321 402 digits
n = 1541 468 digits
n = 2175 659 digits
n = 2267 687 digits
n = 7045 2125 digits Mar 1996 Patrick Demichel
n = 7151 2157 digits
n = 18385 5539 digits
n = 37845 11397 digits
n = 39495 11893 digits
n = 169035 50889 digits
n = 317501 95582 digits
n = 475181 143048 digits Oct 2009 Rune Fredriksen; srsieve; PrimeGrid; LLR
n = 809957 243826 digits Mar 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 826655 248852 digits Apr 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 927241 279132 digits Jun 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1117001 336255 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1984371 597359 digits Jul 2024 Brian Parsonnet; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4741
max n: 2.372.927
n = 12 8 digits
n = 20 10 digits
n = 40 16 digits
n = 56 21 digits
n = 96 33 digits
n = 112 38 digits
n = 140 46 digits
n = 480 149 digits
n = 708 217 digits
n = 912 279 digits
n = 2588 783 digits
n = 5892 1778 digits
n = 12460 3755 digits
n = 14192 4276 digits
n = 14876 4482 digits
n = 29076 8757 digits
n = 210496 63370 digits
n = 334640 100741 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 375920 113167 digits Jun 2012 Pietari Snow; PPSE; PrimeGrid
n = 888772 267551 digits May 2012 Chung Ming Wong; PSieve; srsieve; PrimeGrid; LLR
n = 898436 270460 digits Jun 2012 Frank Schwegler; PSieve; srsieve; PrimeGrid; LLR
k: 4743
max n: 2.372.629
n = 2 5 digits
n = 6 6 digits
n = 9 7 digits
n = 20 10 digits
n = 28 13 digits
n = 36 15 digits
n = 45 18 digits
n = 46 18 digits
n = 52 20 digits
n = 96 33 digits
n = 101 35 digits
n = 128 43 digits
n = 133 44 digits
n = 142 47 digits
n = 230 73 digits
n = 241 77 digits
n = 270 85 digits
n = 322 101 digits
n = 326 102 digits
n = 333 104 digits
n = 528 163 digits
n = 537 166 digits
n = 538 166 digits
n = 582 179 digits
n = 846 259 digits
n = 1101 336 digits
n = 1572 477 digits
n = 1922 583 digits
n = 2036 617 digits
n = 2076 629 digits
n = 3529 1067 digits 1993 Jeffrey Young
n = 3560 1076 digits 1993 Jeffrey Young
n = 3993 1206 digits 1993 Jeffrey Young
n = 4349 1313 digits 1993 Jeffrey Young
n = 4586 1385 digits 1993 Jeffrey Young
n = 5761 1738 digits
n = 6337 1912 digits
n = 7110 2144 digits May 1996 Patrick Demichel
n = 12497 3766 digits
n = 12656 3814 digits
n = 14848 4474 digits
n = 32249 9712 digits
n = 33289 10025 digits
n = 36136 10882 digits
n = 51732 15577 digits
n = 55490 16708 digits
n = 71649 21573 digits
n = 73153 22025 digits
n = 85096 25621 digits
n = 91617 27584 digits
n = 103542 31173 digits
n = 110220 33184 digits
n = 112050 33735 digits
n = 115149 34667 digits
n = 167661 50475 digits
n = 193982 58399 digits
n = 202258 60890 digits
n = 235761 70975 digits
n = 265542 79940 digits
n = 295393 88926 digits
n = 302585 91091 digits
n = 459177 138230 digits Jun 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 509488 153375 digits May 2010 Ryan Schulz; PSieve; srsieve; PrimeGrid; LLR
n = 535629 161245 digits Jul 2010 Magnus Karlsson; PSieve; srsieve; PrimeGrid; LLR
n = 820078 246872 digits Apr 2012 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 895737 269648 digits Jun 2012 Daniel Cabaceira; PSieve; srsieve; PrimeGrid; LLR
n = 1040893 313344 digits Feb 2013 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 1077586 324390 digits Apr 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2039618 613990 digits Jan 2025 Tom Greer; PPSE; PrimeGrid
k: 4745
max n: 2.372.830
n = 1 4 digits
n = 5 6 digits
n = 41 17 digits
n = 47 18 digits
n = 55 21 digits
n = 61 23 digits
n = 71 26 digits
n = 77 27 digits
n = 97 33 digits
n = 125 42 digits
n = 277 88 digits
n = 325 102 digits
n = 2017 611 digits
n = 2701 817 digits
n = 4441 1341 digits 1993 Jeffrey Young
n = 5935 1791 digits
n = 6377 1924 digits
n = 7169 2162 digits May 1996 Patrick Demichel
n = 11215 3380 digits May 1996 Patrick Demichel
n = 16501 4971 digits
n = 22561 6796 digits
n = 25481 7675 digits
n = 28039 8445 digits
n = 35261 10619 digits
n = 102071 30731 digits
n = 104911 31586 digits
n = 112807 33962 digits
n = 119609 36010 digits
n = 230119 69277 digits
n = 267757 80607 digits
n = 563239 169556 digits Oct 2010 Patrick Schöfer; PSieve; srsieve; PrimeGrid; LLR
n = 816257 245722 digits Apr 2012 Dale Laluk; PSieve; srsieve; PrimeGrid; LLR
n = 3456167 1040414 digits Feb 2023 Brandon Wharton; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4747
max n: 2.372.421
n = 20 10 digits
n = 72 26 digits
n = 78 28 digits
n = 110 37 digits
n = 134 45 digits
n = 160 52 digits
n = 190 61 digits
n = 192 62 digits
n = 310 97 digits
n = 342 107 digits
n = 680 209 digits
n = 838 256 digits
n = 1734 526 digits
n = 1880 570 digits
n = 2120 642 digits
n = 4398 1328 digits 1993 Jeffrey Young
n = 4568 1379 digits 1993 Jeffrey Young
n = 4832 1459 digits 1993 Jeffrey Young
n = 7502 2263 digits May 1996 Patrick Demichel
n = 7920 2388 digits
n = 8150 2458 digits May 1996 Patrick Demichel
n = 9190 2771 digits
n = 12532 3777 digits
n = 13478 4061 digits
n = 23350 7033 digits
n = 25088 7556 digits
n = 30438 9167 digits
n = 44948 13535 digits
n = 46268 13932 digits
n = 100960 30396 digits
n = 122168 36780 digits
n = 134438 40474 digits
n = 230880 69506 digits
n = 263448 79310 digits
n = 1249792 376229 digits Mar 2014 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
k: 4749
max n: 2.372.836
n = 3 5 digits
n = 5 6 digits
n = 6 6 digits
n = 9 7 digits
n = 11 7 digits
n = 27 12 digits
n = 29 13 digits
n = 35 15 digits
n = 41 17 digits
n = 51 20 digits
n = 53 20 digits
n = 71 26 digits
n = 77 27 digits
n = 98 34 digits
n = 219 70 digits
n = 251 80 digits
n = 263 83 digits
n = 339 106 digits
n = 401 125 digits
n = 509 157 digits
n = 530 164 digits
n = 819 251 digits
n = 1043 318 digits
n = 1131 345 digits
n = 1479 449 digits
n = 1730 525 digits
n = 1773 538 digits
n = 2018 612 digits
n = 2514 761 digits
n = 3194 966 digits
n = 3347 1012 digits 1993 Jeffrey Young
n = 4026 1216 digits 1993 Jeffrey Young
n = 7527 2270 digits May 1996 Patrick Demichel
n = 10569 3186 digits
n = 11327 3414 digits
n = 29051 8749 digits
n = 32465 9777 digits
n = 38415 11568 digits
n = 38741 11666 digits
n = 43905 13221 digits Mar 1999 Tadashi Taura; Proth
n = 44145 13293 digits
n = 58071 17485 digits
n = 72798 21919 digits
n = 99489 29953 digits
n = 110946 33402 digits
n = 135458 40781 digits
n = 183531 55253 digits
n = 201639 60704 digits
n = 220778 66465 digits
n = 325019 97845 digits
n = 480506 144651 digits Nov 2009 Adam Ferralli; PSieve; srsieve; PrimeGrid; LLR
n = 486699 146515 digits Feb 2010 Bjorn Lindberg; PSieve; srsieve; PrimeGrid; LLR
n = 587978 177003 digits Dec 2010 Jaakko Reinman; PSieve; srsieve; PrimeGrid; LLR
n = 963078 289920 digits Aug 2012 Cesare Marini; PSieve; srsieve; PrimeGrid; LLR
n = 1088625 327713 digits Apr 2013 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 1145534 344844 digits Aug 2013 Philip Englehard; PSieve; srsieve; PrimeGrid; LLR
n = 1612703 485476 digits Jan 2021 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
n = 2339765 704344 digits Jan 2026 PPSE; PrimeGrid
k: 4751
max n: 2.372.850
n = 7 6 digits
n = 19 10 digits
n = 103 35 digits
n = 111 38 digits
n = 115 39 digits
n = 195 63 digits
n = 291 92 digits
n = 307 97 digits
n = 357 112 digits
n = 759 233 digits
n = 1531 465 digits
n = 2179 660 digits
n = 7419 2238 digits May 1996 Patrick Demichel
n = 13911 4192 digits
n = 16579 4995 digits
n = 23707 7141 digits
n = 28039 8445 digits
n = 36235 10912 digits
n = 69135 20816 digits
n = 135547 40808 digits
n = 524503 157895 digits Jul 2010 Glen Martin; PSieve; srsieve; PrimeGrid; LLR
n = 615099 185167 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 2173231 654212 digits Feb 2025 Robert Coplin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4753
max n: 2.372.831
n = 2 5 digits
n = 6 6 digits
n = 10 7 digits
n = 20 10 digits
n = 28 13 digits
n = 56 21 digits
n = 66 24 digits
n = 76 27 digits
n = 112 38 digits
n = 174 57 digits
n = 232 74 digits
n = 240 76 digits
n = 306 96 digits
n = 456 141 digits
n = 486 150 digits
n = 516 160 digits
n = 582 179 digits
n = 966 295 digits
n = 1222 372 digits
n = 1234 376 digits
n = 1554 472 digits
n = 1786 542 digits
n = 2662 806 digits
n = 6634 2001 digits
n = 6844 2064 digits Mar 1996 Patrick Demichel
n = 8110 2446 digits
n = 8930 2692 digits
n = 9672 2916 digits
n = 10632 3205 digits
n = 11560 3484 digits
n = 22150 6672 digits
n = 28074 8455 digits
n = 53530 16118 digits
n = 57574 17336 digits
n = 72700 21889 digits
n = 85674 25795 digits
n = 91320 27494 digits
n = 94466 28441 digits
n = 102028 30718 digits
n = 112618 33906 digits
n = 126114 37968 digits
n = 136534 41105 digits
n = 213526 64282 digits
n = 330700 99555 digits
n = 395676 119115 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 396432 119342 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 469912 141462 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 695036 209231 digits Sep 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 766704 230805 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
n = 921084 277278 digits Jun 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1240894 373550 digits Jan 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1506072 453377 digits Nov 2018 Joseph Donohue; PSieve; srsieve; PrimeGrid; LLR
k: 4755
max n: 2.372.841
n = 1 4 digits
n = 4 5 digits
n = 10 7 digits
n = 12 8 digits
n = 15 9 digits
n = 26 12 digits
n = 30 13 digits
n = 38 16 digits
n = 74 26 digits
n = 129 43 digits
n = 132 44 digits
n = 149 49 digits
n = 159 52 digits
n = 165 54 digits
n = 175 57 digits
n = 184 60 digits
n = 205 66 digits
n = 316 99 digits
n = 325 102 digits
n = 373 116 digits
n = 383 119 digits
n = 406 126 digits
n = 438 136 digits
n = 465 144 digits
n = 628 193 digits
n = 770 236 digits
n = 1012 309 digits
n = 1059 323 digits
n = 2354 713 digits
n = 2416 731 digits
n = 2518 762 digits
n = 2635 797 digits
n = 2843 860 digits
n = 2885 873 digits
n = 3050 922 digits
n = 3146 951 digits
n = 3242 980 digits
n = 3389 1024 digits 1993 Jeffrey Young
n = 3823 1155 digits 1993 Jeffrey Young
n = 4861 1467 digits 1993 Jeffrey Young
n = 4975 1502 digits 1993 Jeffrey Young
n = 4991 1507 digits 1993 Jeffrey Young
n = 5323 1607 digits
n = 6529 1970 digits
n = 6881 2076 digits Mar 1996 Patrick Demichel
n = 7858 2370 digits
n = 8628 2601 digits May 1996 Patrick Demichel
n = 9925 2992 digits
n = 10270 3096 digits
n = 11572 3488 digits
n = 11870 3577 digits
n = 12625 3805 digits
n = 14869 4480 digits
n = 17498 5272 digits
n = 17889 5389 digits
n = 18195 5481 digits
n = 18426 5551 digits
n = 24146 7273 digits
n = 33259 10016 digits
n = 33694 10147 digits
n = 41521 12503 digits
n = 48426 14582 digits
n = 53232 16029 digits
n = 57304 17254 digits Mar 1999 Tadashi Taura; Proth
n = 58188 17521 digits
n = 63221 19036 digits
n = 65112 19605 digits
n = 71508 21530 digits
n = 74973 22573 digits
n = 78890 23752 digits
n = 100202 30168 digits
n = 101029 30417 digits
n = 101146 30452 digits
n = 118641 35719 digits
n = 123443 37164 digits
n = 142213 42815 digits
n = 154118 46398 digits
n = 188118 56633 digits
n = 310381 93438 digits
n = 438426 131984 digits Dec 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 483649 145597 digits Jan 2010 Valentino Ricciardelli; PSieve; srsieve; PrimeGrid; LLR
n = 645606 194351 digits Feb 2011 Koen van Gorp; PSieve; srsieve; PrimeGrid; LLR
n = 868984 261594 digits May 2012 James P. Burt; PSieve; srsieve; PrimeGrid; LLR
n = 909951 273927 digits Jun 2012 Greg Gatewood; PSieve; srsieve; PrimeGrid; LLR
n = 944386 284293 digits Jul 2012 Kel Utendorf; PSieve; srsieve; PrimeGrid; LLR
n = 1134766 341603 digits Aug 2013 Sebastian Kasprzyca; PSieve; srsieve; PrimeGrid; LLR
n = 1212810 365096 digits Dec 2013 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 1621410 488097 digits Feb 2021 Christopher Clemence; PSieve; srsieve; PrimeGrid; LLR
n = 1986484 597995 digits Aug 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3448344 1038059 digits Jan 2023 Frank Matillek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4757
max n: 2.373.386
n = 7 6 digits
n = 15 9 digits
n = 23 11 digits
n = 47 18 digits
n = 135 45 digits
n = 239 76 digits
n = 247 79 digits
n = 259 82 digits
n = 415 129 digits
n = 539 166 digits
n = 599 184 digits
n = 1143 348 digits
n = 2079 630 digits
n = 2967 897 digits
n = 5999 1810 digits
n = 21103 6357 digits
n = 27423 8259 digits
n = 52155 15704 digits
n = 145015 43658 digits
n = 235115 70781 digits
n = 329527 99202 digits
n = 473487 142538 digits Oct 2009 Dale Laluk; srsieve; PrimeGrid; LLR
n = 749095 225504 digits Feb 2012 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 1135807 341916 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1849187 556665 digits Jan 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4759
max n: 2.372.781
n = 2 5 digits
n = 14 8 digits
n = 22 11 digits
n = 26 12 digits
n = 62 23 digits
n = 194 63 digits
n = 290 91 digits
n = 442 137 digits
n = 1514 460 digits
n = 1546 470 digits
n = 1714 520 digits
n = 7046 2125 digits Mar 1996 Patrick Demichel
n = 9326 2812 digits
n = 10502 3166 digits
n = 183466 55233 digits
n = 218846 65883 digits
n = 239266 72030 digits
n = 672322 202393 digits Jun 2011 Harvey Patterson; PSieve; srsieve; PrimeGrid; LLR
n = 935866 281728 digits Jul 2012 Jeff Kopp; PSieve; srsieve; PrimeGrid; LLR
n = 1276322 384215 digits Jun 2014 Peyton Hayslette; PSieve; srsieve; PrimeGrid; LLR
n = 1724302 519071 digits Dec 2022 Derek Gordon; PPSE; PrimeGrid
n = 2186510 658209 digits Feb 2025 Sebastien Deram; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4761
max n: 2.372.734
n = 11 7 digits
n = 17 9 digits
n = 57 21 digits
n = 75 27 digits
n = 88 31 digits
n = 96 33 digits
n = 115 39 digits
n = 145 48 digits
n = 173 56 digits
n = 208 67 digits
n = 333 104 digits
n = 391 122 digits
n = 407 127 digits
n = 913 279 digits
n = 1352 411 digits
n = 1408 428 digits
n = 1432 435 digits
n = 1625 493 digits
n = 2411 730 digits
n = 3827 1156 digits 1993 Jeffrey Young
n = 4015 1213 digits 1993 Jeffrey Young
n = 9925 2992 digits
n = 12807 3859 digits
n = 20176 6078 digits Oct 1996 Patrick Demichel
n = 21400 6446 digits
n = 26701 8042 digits Jul 1998 Kenneth J. Brazier; Proth
n = 37781 11377 digits
n = 68568 20645 digits
n = 95341 28705 digits
n = 126813 38179 digits
n = 130727 39357 digits
n = 136565 41114 digits
n = 166393 50093 digits
n = 198293 59696 digits
n = 200551 60376 digits Mar 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 301928 90894 digits
n = 333911 100521 digits Apr 2012 Ulrich Fries; PPSE; PrimeGrid
n = 435753 131179 digits Dec 2012 PPSE; PrimeGrid
n = 569800 171531 digits Nov 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 863531 259953 digits May 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1163093 350130 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1411093 424785 digits Jun 2016 Stefan Ruch; PSieve; srsieve; PrimeGrid; LLR
n = 2022105 608718 digits Dec 2024 Dr. James Scott Brown; PPSE; PrimeGrid
k: 4763
max n: 2.372.704
n = 5 6 digits
n = 41 17 digits
n = 761 233 digits
n = 1337 407 digits
n = 14057 4236 digits
n = 61253 18443 digits
n = 102389 30826 digits
n = 1798649 541451 digits Jan 2024 Latah Headrick; PPSE; PrimeGrid
k: 4765
max n: 2.373.357
n = 6 6 digits
n = 82 29 digits
n = 496 153 digits
n = 712 219 digits
n = 856 262 digits
n = 1476 448 digits
n = 2656 804 digits
n = 3430 1037 digits 1993 Jeffrey Young
n = 4618 1394 digits 1993 Jeffrey Young
n = 6516 1966 digits
n = 15700 4730 digits May 1998 Robert Prethaler; Proth
n = 29830 8984 digits May 1998 Robert Prethaler; Proth
n = 38182 11498 digits May 1998 Robert Prethaler; Proth
n = 41160 12395 digits May 1998 Robert Prethaler; Proth
n = 90010 27100 digits Aug 1998 Robert Prethaler; Proth
n = 93516 28155 digits Aug 1998 Robert Prethaler; Proth
n = 128688 38743 digits Jan 1999 Robert Prethaler; Proth
n = 285252 85874 digits
n = 287850 86656 digits
n = 568626 171178 digits Nov 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 572592 172372 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 915742 275670 digits Jun 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
k: 4767
max n: 2.372.739
n = 2 5 digits
n = 8 7 digits
n = 16 9 digits
n = 19 10 digits
n = 20 10 digits
n = 27 12 digits
n = 39 16 digits
n = 40 16 digits
n = 42 17 digits
n = 50 19 digits
n = 56 21 digits
n = 100 34 digits
n = 102 35 digits
n = 111 38 digits
n = 259 82 digits
n = 352 110 digits
n = 391 122 digits
n = 439 136 digits
n = 739 227 digits
n = 1204 367 digits
n = 1364 415 digits
n = 1519 461 digits
n = 1650 501 digits
n = 1958 594 digits
n = 2150 651 digits
n = 2547 771 digits
n = 3020 913 digits
n = 3390 1025 digits 1993 Jeffrey Young
n = 4187 1265 digits 1993 Jeffrey Young
n = 4471 1350 digits 1993 Jeffrey Young
n = 4615 1393 digits 1993 Jeffrey Young
n = 4791 1446 digits 1993 Jeffrey Young
n = 5564 1679 digits
n = 6396 1930 digits
n = 7382 2226 digits May 1996 Patrick Demichel
n = 9500 2864 digits
n = 11700 3526 digits
n = 17579 5296 digits
n = 20175 6077 digits Oct 1996 Patrick Demichel
n = 21159 6374 digits
n = 21602 6507 digits
n = 27806 8375 digits
n = 34166 10289 digits
n = 35032 10550 digits
n = 47448 14287 digits
n = 77586 23360 digits
n = 148648 44752 digits
n = 208468 62759 digits
n = 244471 73597 digits
n = 258974 77963 digits
n = 369614 111269 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 385468 116042 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 432768 130280 digits Dec 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 456628 137463 digits May 2009 Phil Lachance; srsieve; PrimeGrid; LLR
n = 462831 139330 digits Jul 2009 Gil Emery; srsieve; PrimeGrid; LLR
n = 501792 151059 digits Sep 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 572448 172328 digits Nov 2010 Ricky L Hubbard; PSieve; srsieve; PrimeGrid; LLR
n = 692250 208392 digits Sep 2011 Jason Gledhill; PSieve; srsieve; PrimeGrid; LLR
n = 1102411 331863 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1218758 366887 digits Dec 2013 Travis Parker; PSieve; srsieve; PrimeGrid; LLR
n = 1596171 480500 digits Sep 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1974054 594254 digits Jun 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2006858 604129 digits Oct 2024 Kai Presler; PPSE; PrimeGrid
n = 2266968 682430 digits Apr 2025 David Perek; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4769
max n: 2.373.240
n = 1 4 digits
n = 3 5 digits
n = 9 7 digits
n = 57 21 digits
n = 65 24 digits
n = 129 43 digits
n = 233 74 digits
n = 259 82 digits
n = 625 192 digits
n = 633 195 digits
n = 1359 413 digits
n = 3321 1004 digits 1993 Jeffrey Young
n = 3441 1040 digits 1993 Jeffrey Young
n = 10671 3216 digits
n = 19911 5998 digits
n = 36963 11131 digits
n = 85431 25721 digits
n = 118191 35583 digits
n = 153281 46146 digits
n = 216187 65083 digits
n = 279519 84148 digits
n = 360483 108520 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 394025 118618 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 538401 162079 digits Aug 2010 Mathias Striecks; PSieve; srsieve; PrimeGrid; LLR
n = 1824105 549114 digits Jan 2024 Luis DeJesus; PPSE; PrimeGrid
n = 2110753 635404 digits Jan 2025 Leon Bird; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4771
max n: 2.373.399
n = 56 21 digits
n = 84 29 digits
n = 108 37 digits
n = 128 43 digits
n = 456 141 digits
n = 996 304 digits
n = 1068 326 digits
n = 1800 546 digits
n = 2488 753 digits
n = 2584 782 digits
n = 6080 1834 digits
n = 10204 3076 digits
n = 10236 3086 digits
n = 16336 4922 digits
n = 17608 5305 digits
n = 18676 5626 digits
n = 39468 11885 digits
n = 86468 26034 digits
n = 92584 27875 digits
n = 209244 62993 digits
n = 404568 121791 digits Aug 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 513240 154505 digits Jun 2010 Serge Grondin; PSieve; srsieve; PrimeGrid; LLR
k: 4773
max n: 2.373.295
n = 1 4 digits
n = 4 5 digits
n = 13 8 digits
n = 16 9 digits
n = 37 15 digits
n = 56 21 digits
n = 64 23 digits
n = 92 32 digits
n = 112 38 digits
n = 356 111 digits
n = 856 262 digits
n = 932 285 digits
n = 1016 310 digits
n = 1156 352 digits
n = 1658 503 digits
n = 1756 533 digits
n = 2056 623 digits
n = 2266 686 digits
n = 3277 991 digits
n = 17224 5189 digits Jul 1996 Patrick Demichel
n = 19652 5920 digits
n = 37676 11346 digits
n = 92917 27975 digits
n = 209068 62940 digits
n = 316204 95191 digits
n = 361741 108899 digits Feb 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 676016 203505 digits Aug 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1208576 363822 digits Dec 2013 Peter Leschek; PSieve; srsieve; PrimeGrid; LLR
n = 1635266 492268 digits Mar 2021 Lars Anker-Rasch; PSieve; srsieve; PrimeGrid; LLR
n = 1807954 544253 digits Jan 2024 Sean Matheis; PPSE; PrimeGrid
k: 4775
max n: 2.373.058
n = 1 4 digits
n = 3 5 digits
n = 9 7 digits
n = 11 7 digits
n = 21 11 digits
n = 27 12 digits
n = 51 20 digits
n = 91 32 digits
n = 109 37 digits
n = 177 57 digits
n = 657 202 digits
n = 681 209 digits
n = 713 219 digits
n = 1009 308 digits
n = 1441 438 digits
n = 1981 601 digits
n = 4803 1450 digits 1993 Jeffrey Young
n = 11153 3362 digits
n = 11657 3513 digits
n = 29603 8916 digits
n = 144021 43359 digits
n = 170051 51195 digits
n = 238083 71674 digits
n = 273179 82239 digits
n = 661781 199220 digits Apr 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 705507 212383 digits Sep 2011 Hans Sveen; PSieve; srsieve; PrimeGrid; LLR
n = 1103013 332044 digits Jul 2013 Michael Wild; PSieve; srsieve; PrimeGrid; LLR
n = 1472067 443141 digits Feb 2018 Predrag Kurtovic; srsieve; PrimeGrid; LLR
n = 1546493 465545 digits Sep 2019 Andreas Reich; PSieve; srsieve; PrimeGrid; LLR
n = 1672827 503575 digits Feb 2022 Dan Lawson; PSieve; srsieve; PrimeGrid; LLR
n = 1802241 542533 digits Jan 2024 Andrei Piaive; PPSE; PrimeGrid
n = 3438217 1035011 digits Nov 2022 Joseph Wilson; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4777
max n: 2.373.416
n = 8 7 digits
n = 14 8 digits
n = 30 13 digits
n = 32 14 digits
n = 206 66 digits
n = 332 104 digits
n = 392 122 digits
n = 464 144 digits
n = 1124 343 digits
n = 1668 506 digits
n = 2630 796 digits
n = 5414 1634 digits
n = 5862 1769 digits
n = 6998 2111 digits Mar 1996 Patrick Demichel
n = 13160 3966 digits
n = 22298 6717 digits
n = 46832 14102 digits
n = 103118 31046 digits
n = 155466 46804 digits
n = 159290 47955 digits
n = 186876 56259 digits
n = 594270 178897 digits Dec 2010 Frank Schneider; PSieve; srsieve; PrimeGrid; LLR
n = 696878 209785 digits Sep 2011 Marek Krawczyk; PSieve; srsieve; PrimeGrid; LLR
k: 4779
max n: 2.373.174
n = 6 6 digits
n = 9 7 digits
n = 13 8 digits
n = 30 13 digits
n = 42 17 digits
n = 57 21 digits
n = 94 32 digits
n = 138 46 digits
n = 286 90 digits
n = 289 91 digits
n = 322 101 digits
n = 367 115 digits
n = 405 126 digits
n = 1087 331 digits
n = 1174 358 digits
n = 1389 422 digits
n = 3234 978 digits
n = 4129 1247 digits 1993 Jeffrey Young
n = 4269 1289 digits 1993 Jeffrey Young
n = 4489 1356 digits 1993 Jeffrey Young
n = 4986 1505 digits 1993 Jeffrey Young
n = 5287 1596 digits
n = 6258 1888 digits
n = 8554 2579 digits May 1996 Patrick Demichel
n = 9853 2970 digits
n = 10569 3186 digits
n = 13974 4211 digits
n = 14838 4471 digits
n = 15957 4808 digits
n = 27973 8425 digits
n = 29709 8947 digits
n = 46657 14049 digits
n = 52870 15920 digits
n = 158674 47770 digits
n = 193318 58199 digits
n = 213429 64253 digits
n = 652663 196475 digits Mar 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1931073 581315 digits Mar 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4781
max n: 2.372.524
n = 5 6 digits
n = 7 6 digits
n = 13 8 digits
n = 17 9 digits
n = 29 13 digits
n = 31 14 digits
n = 39 16 digits
n = 41 17 digits
n = 49 19 digits
n = 63 23 digits
n = 83 29 digits
n = 99 34 digits
n = 105 36 digits
n = 107 36 digits
n = 197 63 digits
n = 207 66 digits
n = 237 76 digits
n = 241 77 digits
n = 281 89 digits
n = 413 129 digits
n = 569 175 digits
n = 629 194 digits
n = 635 195 digits
n = 953 291 digits
n = 975 298 digits
n = 1407 428 digits
n = 1717 521 digits
n = 1973 598 digits
n = 2437 738 digits
n = 3837 1159 digits 1993 Jeffrey Young
n = 4391 1326 digits 1993 Jeffrey Young
n = 4585 1384 digits 1993 Jeffrey Young
n = 6745 2035 digits Mar 1996 Patrick Demichel
n = 9183 2769 digits
n = 9747 2938 digits
n = 16027 4829 digits
n = 35039 10552 digits
n = 39837 11996 digits
n = 63855 19226 digits
n = 87767 26425 digits
n = 140603 42330 digits
n = 244877 73720 digits
n = 288985 86997 digits
n = 359487 108221 digits May 2012 PPSE; PrimeGrid
n = 441443 132892 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 516571 155508 digits Jun 2010 Michael Frith; PSieve; srsieve; PrimeGrid; LLR
n = 546097 164396 digits Sep 2010 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 667475 200934 digits Apr 2011 Kingsley Jarrett; PSieve; srsieve; PrimeGrid; LLR
n = 907785 273275 digits Jun 2012 Robert Brooks; PSieve; srsieve; PrimeGrid; LLR
n = 1080617 325302 digits Apr 2013 Ivan Osychenko; PSieve; srsieve; PrimeGrid; LLR
n = 1182667 356022 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1913457 576012 digits Feb 2024 Greg McDevitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2212131 665922 digits Feb 2025 Zack Friedrichsen; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4783
max n: 2.372.859
n = 14 8 digits
n = 16 9 digits
n = 50 19 digits
n = 64 23 digits
n = 82 29 digits
n = 116 39 digits
n = 136 45 digits
n = 152 50 digits
n = 298 94 digits
n = 334 105 digits
n = 414 129 digits
n = 438 136 digits
n = 512 158 digits
n = 518 160 digits
n = 702 216 digits
n = 2542 769 digits
n = 2732 827 digits
n = 2886 873 digits
n = 2922 884 digits
n = 3016 912 digits
n = 4254 1285 digits 1993 Jeffrey Young
n = 4406 1331 digits 1993 Jeffrey Young
n = 5058 1527 digits
n = 5482 1654 digits
n = 11372 3427 digits
n = 12174 3669 digits
n = 14224 4286 digits
n = 21266 6406 digits
n = 23624 7116 digits
n = 31840 9589 digits
n = 33236 10009 digits
n = 34312 10333 digits
n = 36834 11092 digits
n = 41792 12585 digits
n = 109706 33029 digits
n = 127936 38517 digits
n = 132056 39757 digits
n = 134170 40393 digits
n = 262518 79030 digits
n = 433864 130610 digits Dec 2012 Honza Cholt; PPSE; PrimeGrid
n = 449464 135306 digits Jan 2013 Nikolaos Derziotis; PPSE; PrimeGrid
n = 930988 280259 digits Jul 2012 Bart van Rooijen; PSieve; srsieve; PrimeGrid; LLR
n = 1908414 574494 digits Feb 2024 Konrad Sliwicki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4785
max n: 2.372.668
n = 2 5 digits
n = 3 5 digits
n = 4 5 digits
n = 7 6 digits
n = 10 7 digits
n = 11 7 digits
n = 28 13 digits
n = 38 16 digits
n = 44 17 digits
n = 46 18 digits
n = 47 18 digits
n = 52 20 digits
n = 55 21 digits
n = 56 21 digits
n = 68 25 digits
n = 88 31 digits
n = 125 42 digits
n = 133 44 digits
n = 165 54 digits
n = 183 59 digits
n = 195 63 digits
n = 224 72 digits
n = 279 88 digits
n = 299 94 digits
n = 319 100 digits
n = 332 104 digits
n = 357 112 digits
n = 388 121 digits
n = 555 171 digits
n = 591 182 digits
n = 604 186 digits
n = 884 270 digits
n = 888 271 digits
n = 927 283 digits
n = 1100 335 digits
n = 1162 354 digits
n = 1335 406 digits
n = 1437 437 digits
n = 1528 464 digits
n = 2263 685 digits
n = 2312 700 digits
n = 2325 704 digits
n = 2602 787 digits
n = 2701 817 digits
n = 4532 1368 digits 1993 Jeffrey Young
n = 4678 1412 digits 1993 Jeffrey Young
n = 4835 1460 digits 1993 Jeffrey Young
n = 7179 2165 digits May 1996 Patrick Demichel
n = 11912 3590 digits
n = 12711 3831 digits
n = 14317 4314 digits
n = 15685 4726 digits
n = 16973 5114 digits May 1998 Henri Lifchitz; Proth
n = 17500 5272 digits May 1998 Henri Lifchitz; Proth
n = 20907 6298 digits May 1998 Henri Lifchitz; Proth
n = 21768 6557 digits May 1998 Henri Lifchitz; Proth
n = 25213 7594 digits May 1998 Henri Lifchitz; Proth
n = 27560 8301 digits May 1998 Henri Lifchitz; Proth
n = 38955 11731 digits
n = 43629 13138 digits
n = 52634 15849 digits
n = 54014 16264 digits
n = 60027 18074 digits
n = 60375 18179 digits Mar 1999 Tadashi Taura; Proth
n = 60587 18243 digits
n = 61443 18500 digits
n = 61820 18614 digits
n = 83584 25165 digits
n = 96165 28953 digits
n = 102824 30957 digits
n = 177120 53323 digits
n = 189968 57190 digits
n = 294613 88692 digits
n = 312838 94178 digits
n = 350566 105535 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 407120 122560 digits Aug 2012 Adrian Schori; PPSE; PrimeGrid
n = 461707 138992 digits Jul 2009 Mitsuhiro Endo; srsieve; PrimeGrid; LLR
n = 515128 155073 digits Jun 2010 Pascal Vandaele; PSieve; srsieve; PrimeGrid; LLR
n = 546525 164525 digits Sep 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 723869 217910 digits Nov 2011 Thomaz Santana; PSieve; srsieve; PrimeGrid; LLR
n = 740818 223013 digits Feb 2012 John Fitch; PSieve; srsieve; PrimeGrid; LLR
n = 799947 240812 digits Mar 2012 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 923224 277922 digits Jun 2012 Magnus Karlsteen; PSieve; srsieve; PrimeGrid; LLR
n = 931717 280479 digits Jul 2012 Sai Yik Tang; PSieve; srsieve; PrimeGrid; LLR
n = 973803 293148 digits Aug 2012 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1227416 369493 digits Jan 2014 Dwight Ringdahl; PSieve; srsieve; PrimeGrid; LLR
n = 1654111 497941 digits Jan 2022 Jelle Slaets; PSieve; srsieve; PrimeGrid; LLR
n = 1813165 545821 digits Jan 2024 Robert Heindl; PPSE; PrimeGrid
k: 4787
max n: 2.373.018
n = 7 6 digits
n = 67 24 digits
n = 71 26 digits
n = 83 29 digits
n = 91 32 digits
n = 95 33 digits
n = 139 46 digits
n = 163 53 digits
n = 371 116 digits
n = 883 270 digits
n = 1843 559 digits
n = 2539 768 digits
n = 3167 958 digits
n = 3487 1054 digits 1993 Jeffrey Young
n = 6187 1867 digits
n = 11279 3399 digits May 1996 Patrick Demichel
n = 11699 3526 digits
n = 65591 19749 digits
n = 88019 26501 digits
n = 92683 27905 digits
n = 138059 41564 digits
n = 451211 135832 digits May 2009 Christian Suchi; srsieve; PrimeGrid; LLR
n = 597047 179733 digits Dec 2010 Gil Emery; PSieve; srsieve; PrimeGrid; LLR
n = 837155 252013 digits Apr 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 866551 260862 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 875371 263517 digits May 2012 Darrell Hoffpauir; PSieve; srsieve; PrimeGrid; LLR
n = 2295935 691149 digits Jul 2025 Kai Presler; PPSE; PrimeGrid
k: 4789
max n: 2.373.401
n = 2 5 digits
n = 18 10 digits
n = 54 20 digits
n = 70 25 digits
n = 1390 423 digits
n = 7814 2356 digits
n = 13342 4021 digits
n = 23374 7040 digits
n = 23690 7136 digits
n = 26802 8072 digits
n = 38590 11621 digits
n = 170778 51413 digits
n = 325734 98060 digits
n = 347998 104762 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 391714 117922 digits Jul 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 545538 164227 digits Sep 2010 Mathias Striecks; PSieve; srsieve; PrimeGrid; LLR
n = 633738 190778 digits Feb 2011 Artur Obara; PSieve; srsieve; PrimeGrid; LLR
n = 1085074 326644 digits Apr 2013 Wolfgang Schwieger; PSieve; srsieve; PrimeGrid; LLR
n = 1841802 554442 digits Jan 2024 Vesa Harju; PPSE; PrimeGrid
k: 4791
max n: 2.372.687
n = 3 5 digits
n = 5 6 digits
n = 11 7 digits
n = 12 8 digits
n = 15 9 digits
n = 21 11 digits
n = 39 16 digits
n = 44 17 digits
n = 48 19 digits
n = 353 110 digits
n = 360 113 digits
n = 785 240 digits
n = 944 288 digits
n = 1583 481 digits
n = 4997 1508 digits 1993 Jeffrey Young
n = 5673 1712 digits
n = 6660 2009 digits Mar 1996 Patrick Demichel
n = 12875 3880 digits
n = 13524 4075 digits
n = 17183 5177 digits
n = 28059 8451 digits
n = 30329 9134 digits
n = 103647 31205 digits
n = 108123 32552 digits
n = 188513 56752 digits
n = 254607 76649 digits
n = 414461 124769 digits Oct 2012 Bart Kus; PPSE; PrimeGrid
n = 736377 221676 digits Feb 2012 Rom Sey; PSieve; srsieve; PrimeGrid; LLR
n = 1847621 556194 digits Feb 2024 Willie Black; PPSE; PrimeGrid
n = 2160563 650398 digits Feb 2025 Adrian Schori; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4793
max n: 2.372.712
n = 1 4 digits
n = 13 8 digits
n = 21 11 digits
n = 45 18 digits
n = 73 26 digits
n = 81 29 digits
n = 525 162 digits
n = 3661 1106 digits 1993 Jeffrey Young
n = 27105 8164 digits
n = 30813 9280 digits
n = 31077 9359 digits
n = 426805 128485 digits Nov 2012 Michael Millerick; PPSE; PrimeGrid
n = 522453 157278 digits Jul 2010 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 1133001 341071 digits Aug 2013 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1176513 354170 digits Oct 2013 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
k: 4795
max n: 2.372.873
n = 2 5 digits
n = 14 8 digits
n = 26 12 digits
n = 32 14 digits
n = 42 17 digits
n = 46 18 digits
n = 58 22 digits
n = 86 30 digits
n = 96 33 digits
n = 168 55 digits
n = 174 57 digits
n = 202 65 digits
n = 378 118 digits
n = 398 124 digits
n = 478 148 digits
n = 558 172 digits
n = 614 189 digits
n = 1138 347 digits
n = 5768 1741 digits
n = 6554 1977 digits
n = 8584 2588 digits May 1996 Patrick Demichel
n = 30538 9197 digits
n = 43906 13221 digits
n = 65466 19711 digits
n = 120248 36202 digits
n = 121904 36701 digits
n = 142456 42888 digits
n = 484322 145800 digits Jan 2010 Ben Rhodes; PSieve; srsieve; PrimeGrid; LLR
n = 487904 146878 digits Feb 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 695462 209359 digits Sep 2011 Alexey Tarasov; PSieve; srsieve; PrimeGrid; LLR
n = 800942 241112 digits Mar 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 803102 241762 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1346982 405486 digits Jul 2015 Federico Vera; PSieve; srsieve; PrimeGrid; LLR
n = 1511888 455128 digits Jan 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2346096 706249 digits Mar 2026 Attila Egri-Nagy; PPSE; PrimeGrid
k: 4797
max n: 2.372.753
n = 3 5 digits
n = 4 5 digits
n = 6 6 digits
n = 16 9 digits
n = 28 13 digits
n = 30 13 digits
n = 34 14 digits
n = 39 16 digits
n = 48 19 digits
n = 66 24 digits
n = 114 38 digits
n = 136 45 digits
n = 143 47 digits
n = 184 60 digits
n = 230 73 digits
n = 394 123 digits
n = 504 156 digits
n = 519 160 digits
n = 586 181 digits
n = 638 196 digits
n = 714 219 digits
n = 1056 322 digits
n = 1324 403 digits
n = 2220 672 digits
n = 2626 795 digits
n = 3139 949 digits
n = 3736 1129 digits 1993 Jeffrey Young
n = 4206 1270 digits 1993 Jeffrey Young
n = 4788 1446 digits 1993 Jeffrey Young
n = 5466 1650 digits
n = 6406 1933 digits
n = 8524 2570 digits
n = 8778 2647 digits
n = 23991 7226 digits
n = 25428 7659 digits
n = 28738 8655 digits
n = 30414 9160 digits
n = 59254 17841 digits
n = 60360 18174 digits
n = 78380 23599 digits
n = 84296 25380 digits
n = 84936 25572 digits
n = 150588 45336 digits
n = 233346 70248 digits
n = 323620 97424 digits
n = 338518 101908 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 350919 105641 digits Apr 2012 PPSE; PrimeGrid
n = 359710 108288 digits May 2012 PPSE; PrimeGrid
n = 371596 111866 digits May 2012 Stefan Larsson; PPSE; PrimeGrid
n = 471878 142054 digits Oct 2009 Jack England; srsieve; PrimeGrid; LLR
n = 547011 164671 digits Sep 2010 Thomas Löffler; PSieve; srsieve; PrimeGrid; LLR
n = 1049423 315912 digits Feb 2013 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 1076584 324088 digits Apr 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1287210 387493 digits Jul 2014 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1540198 463650 digits Jun 2019 Robert Hoffman; PSieve; srsieve; PrimeGrid; LLR
n = 1664074 500940 digits Feb 2022 Brian D. Niegocki; PSieve; srsieve; PrimeGrid; LLR
n = 1963583 591102 digits May 2024 Pablo Moreno; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2029258 610872 digits Dec 2024 Kai Presler; PPSE; PrimeGrid
k: 4799
max n: 2.372.870
n = 3 5 digits
n = 23 11 digits
n = 25 12 digits
n = 35 15 digits
n = 95 33 digits
n = 163 53 digits
n = 179 58 digits
n = 199 64 digits
n = 259 82 digits
n = 479 148 digits
n = 1359 413 digits
n = 12333 3717 digits
n = 25335 7631 digits
n = 96015 28908 digits
n = 98995 29805 digits
n = 209893 63188 digits
n = 353425 106396 digits May 2012 PPSE; PrimeGrid
n = 386899 116472 digits Jun 2012 Bruce Dodson; PPSE; PrimeGrid
n = 522635 157333 digits Jul 2010 Antonia Domm; Dave Domm; PSieve; srsieve; PrimeGrid; LLR
n = 592345 178318 digits Dec 2010 Scott Safford; PSieve; srsieve; PrimeGrid; LLR
n = 899923 270908 digits Jun 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
n = 1225665 368966 digits Jan 2014 Dwight Ringdahl; PSieve; srsieve; PrimeGrid; LLR
k: 4801
max n: 2.373.403
n = 752 231 digits
n = 135980 40938 digits
n = 187712 56511 digits Apr 2004 Yves Minet; Proth
n = 1462316 440205 digits Dec 2017 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
k: 4803
max n: 2.373.332
n = 2 5 digits
n = 10 7 digits
n = 12 8 digits
n = 22 11 digits
n = 32 14 digits
n = 90 31 digits
n = 120 40 digits
n = 137 45 digits
n = 146 48 digits
n = 153 50 digits
n = 186 60 digits
n = 362 113 digits
n = 996 304 digits
n = 1270 386 digits
n = 1320 402 digits
n = 1740 528 digits
n = 2417 732 digits
n = 3102 938 digits
n = 3626 1096 digits 1993 Jeffrey Young
n = 3762 1137 digits 1993 Jeffrey Young
n = 3872 1170 digits 1993 Jeffrey Young
n = 5310 1603 digits
n = 12792 3855 digits
n = 15512 4674 digits
n = 15696 4729 digits
n = 16642 5014 digits
n = 20692 6233 digits
n = 31716 9552 digits
n = 33800 10179 digits Feb 1999 Tadashi Taura; Proth
n = 41442 12479 digits
n = 56633 17052 digits
n = 71060 21395 digits
n = 89420 26922 digits
n = 222830 67083 digits
n = 237332 71448 digits
n = 290681 87508 digits
n = 302820 91162 digits
n = 1922770 578816 digits Feb 2024 Arnaud Jacques; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4805
max n: 2.373.405
n = 45 18 digits
n = 177 57 digits
n = 281 89 digits
n = 321 101 digits
n = 777 238 digits
n = 941 287 digits
n = 1193 363 digits
n = 1197 365 digits
n = 1257 383 digits
n = 2153 652 digits
n = 25461 7669 digits
n = 27405 8254 digits
n = 41577 12520 digits
n = 48695 14663 digits
n = 81911 24662 digits
n = 135515 40798 digits
n = 182255 54868 digits
n = 443757 133588 digits Dec 2012 Ronny Willig; PPSE; PrimeGrid
n = 511133 153871 digits Jun 2010 Bob Naas; PSieve; srsieve; PrimeGrid; LLR
n = 714693 215148 digits Nov 2011 Edwin Schaap; PSieve; srsieve; PrimeGrid; LLR
n = 791663 238318 digits Mar 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4807
max n: 2.373.384
n = 4 5 digits
n = 12 8 digits
n = 24 11 digits
n = 28 13 digits
n = 34 14 digits
n = 40 16 digits
n = 84 29 digits
n = 148 49 digits
n = 180 58 digits
n = 540 167 digits
n = 666 205 digits
n = 904 276 digits
n = 916 280 digits
n = 1026 313 digits
n = 1114 340 digits
n = 1216 370 digits
n = 5124 1547 digits
n = 7368 2222 digits May 1996 Patrick Demichel
n = 9432 2843 digits
n = 25728 7749 digits
n = 27012 8136 digits
n = 51780 15592 digits
n = 58770 17696 digits
n = 73140 22022 digits
n = 88564 26665 digits
n = 102856 30967 digits
n = 268986 80977 digits
n = 377748 113718 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 446796 134503 digits Jan 2013 Brook Harste; PPSE; PrimeGrid
n = 451632 135959 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 591226 177981 digits Dec 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 642072 193287 digits Feb 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 773356 232808 digits Feb 2012 Matt Cooper; PSieve; srsieve; PrimeGrid; LLR
n = 1325668 399070 digits Feb 2015 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 2322388 699113 digits Nov 2025 Alex Hogan; PPSE; PrimeGrid
k: 4809
max n: 2.372.074
n = 1 4 digits
n = 2 5 digits
n = 5 6 digits
n = 10 7 digits
n = 11 7 digits
n = 13 8 digits
n = 17 9 digits
n = 19 10 digits
n = 27 12 digits
n = 49 19 digits
n = 50 19 digits
n = 53 20 digits
n = 58 22 digits
n = 66 24 digits
n = 77 27 digits
n = 83 29 digits
n = 123 41 digits
n = 153 50 digits
n = 155 51 digits
n = 161 53 digits
n = 267 85 digits
n = 381 119 digits
n = 389 121 digits
n = 435 135 digits
n = 490 152 digits
n = 491 152 digits
n = 605 186 digits
n = 835 256 digits
n = 933 285 digits
n = 1821 552 digits
n = 3022 914 digits
n = 3867 1168 digits 1993 Jeffrey Young
n = 4083 1233 digits 1993 Jeffrey Young
n = 4306 1300 digits 1993 Jeffrey Young
n = 6237 1882 digits
n = 6689 2018 digits Mar 1996 Patrick Demichel
n = 8803 2654 digits
n = 9419 2840 digits
n = 10011 3018 digits
n = 10090 3042 digits
n = 11202 3376 digits
n = 12187 3673 digits
n = 14250 4294 digits
n = 16217 4886 digits
n = 18858 5681 digits
n = 45939 13833 digits
n = 58883 17730 digits
n = 65277 19655 digits
n = 65371 19683 digits
n = 70869 21338 digits
n = 76350 22988 digits
n = 77027 23192 digits
n = 86738 26115 digits
n = 89069 26817 digits
n = 93011 28003 digits
n = 110459 33256 digits
n = 117953 35512 digits
n = 159390 47985 digits
n = 179787 54125 digits
n = 196933 59287 digits
n = 208833 62869 digits
n = 224878 67699 digits
n = 229846 69195 digits
n = 243027 73163 digits
n = 258723 77888 digits
n = 307706 92633 digits
n = 354827 106818 digits May 2012 PPSE; PrimeGrid
n = 415763 125161 digits Oct 2012 Adrian Schori; PPSE; PrimeGrid
n = 416507 125385 digits Oct 2012 PPSE; PrimeGrid
n = 436611 131437 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 530170 159601 digits Jul 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 560379 168695 digits Oct 2010 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 731587 220234 digits Feb 2012 Ulrich Hartel; PSieve; srsieve; PrimeGrid; LLR
n = 811241 244212 digits Mar 2012 Ryan Becker; PSieve; srsieve; PrimeGrid; LLR
n = 1025750 308786 digits Oct 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1053619 317175 digits Mar 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1149273 345970 digits Aug 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1168001 351608 digits Sep 2013 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
n = 1196371 360148 digits Nov 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1461581 439984 digits Nov 2017 Brian Parsonnet; PSieve; srsieve; PrimeGrid; LLR
n = 1612173 485317 digits Dec 2020 Mike Parker; PSieve; srsieve; PrimeGrid; LLR
n = 1917923 577357 digits Feb 2024 Giles Averay-Jones; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2344345 705722 digits Feb 2026 PPSE; PrimeGrid
k: 4811
max n: 2.372.814
n = 1 4 digits
n = 5 6 digits
n = 15 9 digits
n = 21 11 digits
n = 29 13 digits
n = 31 14 digits
n = 65 24 digits
n = 71 26 digits
n = 95 33 digits
n = 109 37 digits
n = 127 42 digits
n = 131 44 digits
n = 221 71 digits
n = 291 92 digits
n = 319 100 digits
n = 381 119 digits
n = 609 188 digits
n = 647 199 digits
n = 1425 433 digits
n = 2999 907 digits
n = 3285 993 digits
n = 7227 2180 digits May 1996 Patrick Demichel
n = 7451 2247 digits May 1996 Patrick Demichel
n = 8147 2457 digits May 1996 Patrick Demichel
n = 13695 4127 digits
n = 15169 4571 digits
n = 17321 5218 digits
n = 20219 6091 digits Oct 1996 Patrick Demichel
n = 24107 7261 digits
n = 32125 9675 digits
n = 34835 10491 digits
n = 84795 25530 digits
n = 166699 50186 digits
n = 178365 53697 digits
n = 210479 63365 digits
n = 264125 79514 digits
n = 321247 96709 digits
n = 524735 157965 digits Jul 2010 Jay Pantone; PSieve; srsieve; PrimeGrid; LLR
n = 575469 173238 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1269857 382269 digits May 2014 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1637859 493049 digits May 2021 Jakub Homola; PSieve; srsieve; PrimeGrid; LLR
k: 4813
max n: 2.373.380
n = 10 7 digits
n = 20 10 digits
n = 22 11 digits
n = 34 14 digits
n = 58 22 digits
n = 88 31 digits
n = 102 35 digits
n = 118 40 digits
n = 320 101 digits
n = 360 113 digits
n = 788 241 digits
n = 1134 346 digits
n = 1842 559 digits
n = 2348 711 digits
n = 2842 860 digits
n = 5120 1545 digits
n = 10160 3063 digits
n = 10570 3186 digits
n = 11464 3455 digits
n = 22030 6636 digits
n = 23024 6935 digits
n = 72524 21836 digits
n = 161022 48477 digits
n = 199470 60051 digits
n = 317574 95603 digits
n = 793640 238914 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 854350 257189 digits May 2012 Edoardo Pirovano; PSieve; srsieve; PrimeGrid; LLR
n = 989194 297781 digits Sep 2012 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 1470162 442567 digits Feb 2018 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4815
max n: 2.372.712
n = 1 4 digits
n = 4 5 digits
n = 5 6 digits
n = 7 6 digits
n = 13 8 digits
n = 23 11 digits
n = 29 13 digits
n = 40 16 digits
n = 59 22 digits
n = 79 28 digits
n = 109 37 digits
n = 116 39 digits
n = 136 45 digits
n = 149 49 digits
n = 163 53 digits
n = 167 54 digits
n = 184 60 digits
n = 229 73 digits
n = 328 103 digits
n = 373 116 digits
n = 467 145 digits
n = 557 172 digits
n = 613 189 digits
n = 737 226 digits
n = 878 268 digits
n = 1247 380 digits
n = 1387 422 digits
n = 1501 456 digits
n = 3268 988 digits
n = 3656 1105 digits 1993 Jeffrey Young
n = 4037 1219 digits 1993 Jeffrey Young
n = 4097 1238 digits 1993 Jeffrey Young
n = 5723 1727 digits
n = 5797 1749 digits
n = 9325 2811 digits
n = 11876 3579 digits
n = 17267 5202 digits
n = 18233 5493 digits
n = 19697 5934 digits
n = 21086 6352 digits
n = 24020 7235 digits
n = 27725 8350 digits
n = 35080 10564 digits
n = 35768 10771 digits
n = 36923 11119 digits
n = 94784 28537 digits
n = 160100 48199 digits
n = 213464 64263 digits
n = 257108 77401 digits
n = 323948 97522 digits
n = 343646 103452 digits Apr 2012 Claude Dulaurens; PPSE; PrimeGrid
n = 436529 131413 digits Dec 2012 Adrian Schori; PPSE; PrimeGrid
n = 518921 156215 digits Jun 2010 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 551527 166030 digits Sep 2010 Christian Beaumet; PSieve; srsieve; PrimeGrid; LLR
n = 925576 278630 digits Jun 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1097123 330271 digits Jun 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1139641 343070 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1302161 391994 digits Feb 2015 Carlos Loureiro; PSieve; srsieve; PrimeGrid; LLR
n = 1478143 444970 digits Feb 2018 Michael Bowe; PSieve; srsieve; PrimeGrid; LLR
n = 1728281 520269 digits Jan 2023 Albert Pastuszka; PPSE; PrimeGrid
n = 1731391 521205 digits Jan 2023 Xuechen Xu; PPSE; PrimeGrid
n = 1854893 558383 digits Jan 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4817
max n: 2.373.443
n = 23 11 digits
n = 39 16 digits
n = 71 26 digits
n = 227 73 digits
n = 2111 640 digits
n = 2427 735 digits
n = 5231 1579 digits
n = 31191 9394 digits
n = 176867 53246 digits
n = 283427 85324 digits
n = 320867 96595 digits
n = 381095 114725 digits Mar 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 465527 140142 digits Jun 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 579251 174376 digits Nov 2010 Anand S Nair; PSieve; srsieve; PrimeGrid; LLR
k: 4819
max n: 2.372.845
n = 54 20 digits
n = 594 183 digits
n = 630 194 digits
n = 1022 312 digits
n = 3462 1046 digits 1993 Jeffrey Young
n = 42530 12807 digits
n = 66050 19887 digits
n = 149874 45121 digits
n = 246194 74116 digits
n = 803618 241917 digits Mar 2012 Shane Phillips; PSieve; srsieve; PrimeGrid; LLR
n = 1170450 352345 digits Sep 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4821
max n: 2.372.414
n = 1 4 digits
n = 3 5 digits
n = 4 5 digits
n = 13 8 digits
n = 25 12 digits
n = 49 19 digits
n = 55 21 digits
n = 64 23 digits
n = 79 28 digits
n = 81 29 digits
n = 100 34 digits
n = 124 42 digits
n = 133 44 digits
n = 189 61 digits
n = 199 64 digits
n = 208 67 digits
n = 220 70 digits
n = 229 73 digits
n = 309 97 digits
n = 349 109 digits
n = 355 111 digits
n = 469 145 digits
n = 619 191 digits
n = 661 203 digits
n = 988 302 digits
n = 1803 547 digits
n = 2071 628 digits
n = 2335 707 digits
n = 2583 782 digits
n = 2835 858 digits
n = 2869 868 digits
n = 3045 921 digits
n = 3796 1147 digits 1993 Jeffrey Young
n = 5079 1533 digits
n = 5503 1661 digits
n = 14032 4228 digits
n = 14913 4493 digits
n = 16821 5068 digits
n = 76471 23024 digits
n = 105501 31763 digits Mar 2002 Gary Chaffey; Proth
n = 122739 36952 digits
n = 124335 37433 digits
n = 144939 43635 digits
n = 154833 46614 digits
n = 159831 48118 digits
n = 168139 50619 digits
n = 293691 88414 digits
n = 453901 136642 digits May 2009 Mika Saksanen; srsieve; PrimeGrid; LLR
n = 841563 253340 digits Apr 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 860895 259159 digits May 2012 Minki Li; PSieve; srsieve; PrimeGrid; LLR
n = 1048653 315680 digits Feb 2013 Frank Matillek; PSieve; srsieve; PrimeGrid; LLR
n = 1741084 524123 digits Apr 2023 Andrew Dunchouk; PPSE; PrimeGrid
n = 1795108 540386 digits Jan 2024 ZinSig Kim; PPSE; PrimeGrid
k: 4823
max n: 2.373.004
n = 13 8 digits
n = 33 14 digits
n = 37 15 digits
n = 49 19 digits
n = 93 32 digits
n = 117 39 digits
n = 485 150 digits
n = 529 163 digits
n = 1133 345 digits
n = 2553 773 digits
n = 4273 1290 digits 1993 Jeffrey Young
n = 5393 1628 digits
n = 7225 2179 digits May 1996 Patrick Demichel
n = 8845 2667 digits
n = 15093 4548 digits
n = 17377 5235 digits
n = 19845 5978 digits
n = 22265 6707 digits
n = 65913 19846 digits
n = 68113 20508 digits
n = 197089 59334 digits
n = 222369 66944 digits
n = 261549 78738 digits
n = 486749 146530 digits Jan 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 573273 172577 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 622225 187313 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 987965 297411 digits Sep 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
k: 4825
max n: 2.372.701
n = 2 5 digits
n = 4 5 digits
n = 6 6 digits
n = 12 8 digits
n = 22 11 digits
n = 40 16 digits
n = 50 19 digits
n = 52 20 digits
n = 60 22 digits
n = 74 26 digits
n = 94 32 digits
n = 100 34 digits
n = 102 35 digits
n = 116 39 digits
n = 164 54 digits
n = 190 61 digits
n = 222 71 digits
n = 242 77 digits
n = 422 131 digits
n = 470 146 digits
n = 1182 360 digits
n = 3994 1206 digits 1993 Jeffrey Young
n = 5694 1718 digits
n = 11020 3322 digits
n = 12730 3836 digits
n = 17306 5214 digits Jul 1996 Patrick Demichel
n = 18642 5616 digits
n = 28500 8584 digits
n = 83686 25196 digits
n = 90780 27332 digits
n = 161660 48669 digits
n = 164022 49380 digits
n = 184136 55435 digits
n = 224796 67675 digits
n = 277990 83688 digits
n = 488150 146952 digits Feb 2010 Ron Sheckler; PSieve; srsieve; PrimeGrid; LLR
n = 889652 267816 digits May 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 917076 276072 digits Jun 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1031816 310612 digits Jan 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1763616 530906 digits Sep 2023 Brian Parsonnet; PPSE; PrimeGrid
k: 4827
max n: 2.372.441
n = 2 5 digits
n = 6 6 digits
n = 7 6 digits
n = 15 9 digits
n = 31 14 digits
n = 34 14 digits
n = 62 23 digits
n = 74 26 digits
n = 78 28 digits
n = 92 32 digits
n = 98 34 digits
n = 115 39 digits
n = 132 44 digits
n = 166 54 digits
n = 195 63 digits
n = 334 105 digits
n = 380 119 digits
n = 414 129 digits
n = 467 145 digits
n = 986 301 digits
n = 1302 396 digits
n = 1366 415 digits
n = 1438 437 digits
n = 3106 939 digits
n = 3830 1157 digits 1993 Jeffrey Young
n = 5414 1634 digits
n = 10518 3170 digits
n = 12883 3882 digits
n = 25290 7617 digits
n = 31354 9443 digits
n = 35010 10543 digits
n = 36151 10887 digits
n = 50818 15302 digits
n = 56076 16885 digits
n = 68636 20666 digits
n = 70990 21374 digits
n = 82698 24899 digits
n = 99286 29892 digits
n = 133782 40277 digits
n = 150198 45218 digits
n = 167180 50330 digits
n = 221302 66623 digits
n = 241766 72783 digits
n = 295127 88846 digits
n = 372554 112154 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 373086 112314 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 418027 125843 digits Oct 2012 Brook Harste; PPSE; PrimeGrid
n = 424230 127710 digits Nov 2012 Ronny Willig; PPSE; PrimeGrid
n = 748140 225217 digits Feb 2012 Mark Doom; PSieve; srsieve; PrimeGrid; LLR
n = 1196655 360233 digits Nov 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1671274 503108 digits Feb 2022 JanPeter Fischer; PSieve; srsieve; PrimeGrid; LLR
k: 4829
max n: 2.372.638
n = 31 14 digits
n = 95 33 digits
n = 203 65 digits
n = 223 71 digits
n = 437 136 digits
n = 499 154 digits
n = 527 163 digits
n = 551 170 digits
n = 1231 375 digits
n = 1379 419 digits
n = 1481 450 digits
n = 3539 1070 digits 1993 Jeffrey Young
n = 5117 1545 digits
n = 7531 2271 digits May 1996 Patrick Demichel
n = 19589 5901 digits Oct 1996 Patrick Demichel
n = 27083 8157 digits
n = 42089 12674 digits
n = 141293 42538 digits
n = 341801 102897 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 718649 216339 digits Nov 2011 Mateusz Łozowski; PSieve; srsieve; PrimeGrid; LLR
n = 1383317 416424 digits Feb 2016 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1688327 508241 digits May 2022 PPSE; PrimeGrid
k: 4831
max n: 2.372.687
n = 8 7 digits
n = 12 8 digits
n = 20 10 digits
n = 48 19 digits
n = 88 31 digits
n = 132 44 digits
n = 2240 678 digits
n = 3860 1166 digits 1993 Jeffrey Young
n = 4572 1380 digits 1993 Jeffrey Young
n = 31672 9538 digits
n = 39068 11765 digits
n = 263256 79252 digits
n = 334428 100677 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 544652 163961 digits Aug 2010 Lukas Hron; PSieve; srsieve; PrimeGrid; LLR
n = 809080 243562 digits Mar 2012 Valter Cavecchia; PSieve; srsieve; PrimeGrid; LLR
n = 1086532 327083 digits Apr 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 2016452 607017 digits Dec 2024 Kai Presler; PPSE; PrimeGrid
k: 4833
max n: 2.373.287
n = 2 5 digits
n = 6 6 digits
n = 9 7 digits
n = 12 8 digits
n = 17 9 digits
n = 72 26 digits
n = 105 36 digits
n = 108 37 digits
n = 185 60 digits
n = 218 70 digits
n = 281 89 digits
n = 329 103 digits
n = 696 214 digits
n = 1206 367 digits
n = 1277 389 digits
n = 1337 407 digits
n = 1385 421 digits
n = 1752 532 digits
n = 2130 645 digits
n = 2585 782 digits
n = 4404 1330 digits 1993 Jeffrey Young
n = 4925 1487 digits 1993 Jeffrey Young
n = 5258 1587 digits
n = 5445 1643 digits
n = 6594 1989 digits
n = 7197 2171 digits May 1996 Patrick Demichel
n = 15386 4636 digits
n = 15444 4653 digits
n = 15509 4673 digits
n = 17262 5201 digits
n = 18756 5650 digits
n = 21026 6334 digits
n = 28730 8653 digits
n = 41094 12375 digits
n = 44450 13385 digits
n = 62906 18941 digits
n = 62964 18958 digits Feb 1999 Tadashi Taura; Proth
n = 109565 32987 digits
n = 113112 34054 digits
n = 138021 41553 digits
n = 142308 42843 digits
n = 160434 48300 digits
n = 254981 76761 digits
n = 368285 110869 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 370385 111501 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 379478 114238 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 415370 125043 digits Oct 2012 Bart Kus; PPSE; PrimeGrid
n = 500436 150650 digits May 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 527066 158667 digits Jul 2010 Ross Goudie; PSieve; srsieve; PrimeGrid; LLR
n = 571284 171978 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 644702 194079 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 1094592 329509 digits May 2013 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
n = 2296781 691404 digits Jul 2025 Kai Presler; PPSE; PrimeGrid
k: 4835
max n: 2.372.798
n = 63 23 digits
n = 97 33 digits
n = 223 71 digits
n = 369 115 digits
n = 561 173 digits
n = 573 177 digits
n = 1029 314 digits
n = 1143 348 digits
n = 24097 7258 digits
n = 38499 11594 digits
n = 65877 19835 digits
n = 80233 24157 digits
n = 110941 33401 digits
n = 162411 48895 digits
n = 192921 58079 digits
n = 208071 62640 digits
n = 210273 63303 digits
n = 454629 136861 digits May 2009 Jim Foody; srsieve; PrimeGrid; LLR
n = 934041 281179 digits Jul 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1777287 535021 digits Nov 2023 PPSE; PrimeGrid
n = 2134113 642436 digits Jan 2025 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4837
max n: 2.373.457
n = 8 7 digits
n = 10 7 digits
n = 26 12 digits
n = 28 13 digits
n = 36 15 digits
n = 148 49 digits
n = 154 51 digits
n = 158 52 digits
n = 488 151 digits
n = 1084 331 digits
n = 1264 385 digits
n = 1346 409 digits
n = 1688 512 digits
n = 5890 1777 digits
n = 7574 2284 digits May 1996 Patrick Demichel
n = 9266 2794 digits
n = 9596 2893 digits
n = 11098 3345 digits
n = 11608 3499 digits
n = 17456 5259 digits
n = 19190 5781 digits
n = 25510 7683 digits
n = 43936 13230 digits
n = 147196 44315 digits
n = 242926 73132 digits
n = 494196 148772 digits
n = 505790 152262 digits May 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1301290 391732 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
k: 4839
max n: 2.372.598
n = 1 4 digits
n = 3 5 digits
n = 5 6 digits
n = 21 11 digits
n = 31 14 digits
n = 57 21 digits
n = 63 23 digits
n = 67 24 digits
n = 75 27 digits
n = 79 28 digits
n = 99 34 digits
n = 103 35 digits
n = 107 36 digits
n = 147 48 digits
n = 174 57 digits
n = 175 57 digits
n = 185 60 digits
n = 235 75 digits
n = 318 100 digits
n = 1197 365 digits
n = 1261 384 digits
n = 1422 432 digits
n = 1449 440 digits
n = 1474 448 digits
n = 1565 475 digits
n = 1577 479 digits
n = 1593 484 digits
n = 2363 716 digits
n = 2455 743 digits
n = 4419 1334 digits 1993 Jeffrey Young
n = 5338 1611 digits
n = 6349 1915 digits
n = 6457 1948 digits
n = 7349 2216 digits May 1996 Patrick Demichel
n = 8017 2418 digits
n = 9941 2997 digits
n = 10317 3110 digits
n = 11581 3490 digits
n = 14717 4434 digits
n = 22273 6709 digits
n = 24627 7418 digits
n = 29641 8927 digits
n = 31002 9337 digits
n = 36979 11136 digits
n = 41377 12460 digits
n = 42886 12914 digits
n = 42933 12928 digits Feb 1999 Yves Gallot; Proth
n = 55279 16645 digits Feb 1999 Tadashi Taura; Proth
n = 76987 23180 digits
n = 84973 25584 digits
n = 92491 27847 digits
n = 92878 27963 digits
n = 115458 34761 digits
n = 121119 36465 digits
n = 142945 43035 digits
n = 183481 55237 digits
n = 221457 66669 digits
n = 257334 77469 digits
n = 338957 102040 digits Apr 2012 Kelvin Lewis; PPSE; PrimeGrid
n = 367905 110755 digits May 2012 Dave Walker; PPSE; PrimeGrid
n = 487375 146719 digits Feb 2010 Pietari Snow; PSieve; srsieve; PrimeGrid; LLR
n = 672282 202381 digits Jun 2011 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 732171 220410 digits Feb 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 976938 294092 digits Aug 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 2240595 674490 digits Feb 2025 Uwe Hass; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3341309 1005838 digits Dec 2020 Anonymous; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3344453 1006785 digits Jan 2021 Steven Wong; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4841
max n: 2.373.372
n = 3 5 digits
n = 17 9 digits
n = 19 10 digits
n = 41 17 digits
n = 49 19 digits
n = 61 23 digits
n = 107 36 digits
n = 271 86 digits
n = 351 110 digits
n = 439 136 digits
n = 703 216 digits
n = 2149 651 digits
n = 6003 1811 digits
n = 20753 6251 digits
n = 63893 19238 digits
n = 142237 42822 digits
n = 275139 82829 digits
n = 737411 221987 digits Feb 2012 Edward Gordon; PSieve; srsieve; PrimeGrid; LLR
k: 4843
max n: 2.373.039
n = 2 5 digits
n = 4 5 digits
n = 14 8 digits
n = 16 9 digits
n = 20 10 digits
n = 28 13 digits
n = 56 21 digits
n = 124 42 digits
n = 212 68 digits
n = 308 97 digits
n = 340 107 digits
n = 392 122 digits
n = 412 128 digits
n = 434 135 digits
n = 740 227 digits
n = 866 265 digits
n = 1048 320 digits
n = 1190 362 digits
n = 1378 419 digits
n = 1840 558 digits
n = 1918 582 digits
n = 3206 969 digits
n = 6062 1829 digits
n = 7718 2328 digits May 1996 Patrick Demichel
n = 9658 2912 digits
n = 10156 3061 digits
n = 10508 3167 digits
n = 13636 4109 digits
n = 21460 6464 digits
n = 35512 10694 digits
n = 61144 18410 digits
n = 66988 20170 digits
n = 76166 22932 digits
n = 139918 42124 digits
n = 143164 43101 digits
n = 156802 47206 digits
n = 183878 55357 digits
n = 286348 86204 digits
n = 409742 123349 digits Sep 2012 Adrian Schori; PPSE; PrimeGrid
n = 529250 159324 digits Jul 2010 Danny T. Morris; PSieve; srsieve; PrimeGrid; LLR
n = 602336 181325 digits Jan 2011 Grégoire Boscher; PSieve; srsieve; PrimeGrid; LLR
n = 841084 253196 digits Apr 2012 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1096258 330011 digits May 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1826120 549721 digits Jan 2024 Tom Greer; PPSE; PrimeGrid
n = 1937612 583284 digits Mar 2024 Yegor Ryabchikov; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3422644 1030323 digits Jun 2022 Pete D'Amico; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4845
max n: 2.371.769
n = 2 5 digits
n = 4 5 digits
n = 6 6 digits
n = 7 6 digits
n = 12 8 digits
n = 16 9 digits
n = 23 11 digits
n = 53 20 digits
n = 54 20 digits
n = 72 26 digits
n = 80 28 digits
n = 89 31 digits
n = 99 34 digits
n = 102 35 digits
n = 132 44 digits
n = 136 45 digits
n = 139 46 digits
n = 183 59 digits
n = 193 62 digits
n = 204 66 digits
n = 378 118 digits
n = 424 132 digits
n = 446 138 digits
n = 530 164 digits
n = 567 175 digits
n = 908 278 digits
n = 1518 461 digits
n = 1588 482 digits
n = 1717 521 digits
n = 2624 794 digits
n = 3100 937 digits
n = 3367 1018 digits 1993 Jeffrey Young
n = 3553 1074 digits 1993 Jeffrey Young
n = 3637 1099 digits 1993 Jeffrey Young
n = 4209 1271 digits 1993 Jeffrey Young
n = 4568 1379 digits 1993 Jeffrey Young
n = 5606 1692 digits
n = 6392 1928 digits
n = 8270 2494 digits
n = 8286 2499 digits May 1996 Patrick Demichel
n = 9189 2770 digits
n = 11500 3466 digits
n = 13106 3949 digits
n = 13662 4117 digits
n = 14049 4233 digits
n = 20615 6210 digits
n = 20965 6315 digits
n = 21099 6356 digits
n = 21867 6587 digits
n = 33633 10129 digits
n = 33872 10201 digits
n = 34374 10352 digits
n = 34832 10490 digits
n = 43626 13137 digits
n = 50030 15065 digits
n = 66519 20028 digits
n = 94039 28313 digits
n = 98979 29800 digits
n = 150000 45159 digits Jul 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 190178 57253 digits Jul 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 221275 66615 digits Jul 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 226527 68196 digits Jul 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 237536 71510 digits Aug 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 244136 73496 digits Aug 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 315852 95085 digits Nov 2003 Peter Grobstich; NewPGen; PRP; Proth
n = 411795 123967 digits Jan 2006 Peter Grobstich; NewPGen; PRP; Proth
n = 539133 162299 digits Sep 2010 Jessicalind Ah Kit; PSieve; srsieve; PrimeGrid; LLR
n = 546820 164613 digits Sep 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 549459 165408 digits Sep 2010 Dennis Davis; PSieve; srsieve; PrimeGrid; LLR
n = 561435 169013 digits Oct 2010 Steven Harvey; PSieve; srsieve; PrimeGrid; LLR
n = 608090 183058 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 612460 184373 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 816998 245945 digits Apr 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
n = 884526 266273 digits May 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 938142 282413 digits Jul 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1362272 410089 digits Oct 2015 William Pomeranke; PSieve; srsieve; PrimeGrid; LLR
n = 1528682 460183 digits Feb 2019 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2010597 605254 digits Nov 2024 PPSE; PrimeGrid
n = 2037903 613474 digits Jan 2025 Charlotte Woodrow; PPSE; PrimeGrid
n = 2117718 637501 digits Jan 2025 Jean Sébastien Delisle; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4847
max n: 2.373.446
n = 3321063 999744 digits Oct 2005 Richard Hassler; SoBSieve; Proth; 'K' sieves; PRP; Proth; Seventeen or Bust
k: 4849
max n: 2.373.293
n = 30 13 digits
n = 46 18 digits
n = 102 35 digits
n = 382 119 digits
n = 1062 324 digits
n = 1102 336 digits
n = 1174 358 digits
n = 2166 656 digits
n = 3990 1205 digits 1993 Jeffrey Young
n = 4942 1492 digits 1993 Jeffrey Young
n = 18142 5465 digits
n = 33982 10234 digits
n = 44094 13278 digits
n = 1115878 335917 digits Jul 2013 Richard Cervelle; PSieve; srsieve; PrimeGrid; LLR
k: 4851
max n: 2.372.892
n = 4 5 digits
n = 7 6 digits
n = 9 7 digits
n = 12 8 digits
n = 37 15 digits
n = 47 18 digits
n = 69 25 digits
n = 117 39 digits
n = 133 44 digits
n = 143 47 digits
n = 189 61 digits
n = 195 63 digits
n = 212 68 digits
n = 217 70 digits
n = 273 86 digits
n = 369 115 digits
n = 563 174 digits
n = 803 246 digits
n = 1305 397 digits
n = 1895 575 digits
n = 2439 738 digits
n = 2592 784 digits
n = 2963 896 digits
n = 21424 6453 digits
n = 32325 9735 digits Feb 1999 Tadashi Taura; Proth
n = 54837 16512 digits
n = 63279 19053 digits
n = 74327 22379 digits
n = 77360 23292 digits
n = 124137 37373 digits
n = 134449 40477 digits
n = 383520 115455 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 441804 133000 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 516368 155446 digits Jun 2010 Glen Martin; PSieve; srsieve; PrimeGrid; LLR
n = 889779 267854 digits Jun 2012 Yusup Khadjiyev; PSieve; srsieve; PrimeGrid; LLR
n = 1095744 329856 digits May 2013 Robert Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 1372168 413068 digits Dec 2015 Bradley Skinner; PSieve; srsieve; PrimeGrid; LLR
n = 1663444 500751 digits Feb 2022 Steven Wong; PSieve; srsieve; PrimeGrid; LLR
n = 1951500 587464 digits Apr 2024 Robert Coplin; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3368668 1014074 digits Jun 2021 Gary Bauer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4853
max n: 2.372.988
n = 21 11 digits
n = 45 18 digits
n = 141 47 digits
n = 189 61 digits
n = 317 100 digits
n = 461 143 digits
n = 589 181 digits
n = 717 220 digits
n = 1245 379 digits
n = 1701 516 digits
n = 3245 981 digits
n = 4357 1316 digits 1993 Jeffrey Young
n = 15581 4695 digits
n = 16973 5114 digits
n = 63949 19255 digits
n = 309765 93253 digits
n = 981677 295518 digits Sep 2012 Robert Ruge; PSieve; srsieve; PrimeGrid; LLR
n = 1081141 325460 digits Apr 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
k: 4855
max n: 2.372.637
n = 2 5 digits
n = 4 5 digits
n = 6 6 digits
n = 14 8 digits
n = 18 10 digits
n = 48 19 digits
n = 70 25 digits
n = 88 31 digits
n = 102 35 digits
n = 108 37 digits
n = 112 38 digits
n = 116 39 digits
n = 132 44 digits
n = 140 46 digits
n = 228 73 digits
n = 234 75 digits
n = 402 125 digits
n = 410 128 digits
n = 426 132 digits
n = 476 147 digits
n = 520 161 digits
n = 574 177 digits
n = 636 196 digits
n = 1124 343 digits
n = 1406 427 digits
n = 1862 565 digits
n = 2316 701 digits
n = 2866 867 digits
n = 3868 1169 digits 1993 Jeffrey Young
n = 4944 1492 digits 1993 Jeffrey Young
n = 5034 1520 digits
n = 5516 1665 digits
n = 11412 3440 digits
n = 23156 6975 digits
n = 26216 7896 digits
n = 42088 12674 digits
n = 45356 13658 digits
n = 46752 14078 digits
n = 52632 15848 digits
n = 53052 15974 digits
n = 54554 16427 digits
n = 55318 16657 digits
n = 56970 17154 digits
n = 76562 23052 digits
n = 83866 25250 digits
n = 93528 28159 digits
n = 130004 39139 digits
n = 134590 40520 digits
n = 144246 43427 digits
n = 224622 67622 digits
n = 231974 69835 digits
n = 234994 70744 digits
n = 262494 79023 digits
n = 290360 87411 digits
n = 386626 116390 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 419094 126164 digits Oct 2012 Ulrich Fries; PPSE; PrimeGrid
n = 569820 171537 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 607408 182852 digits Jan 2011 Rick Channing; PSieve; srsieve; PrimeGrid; LLR
n = 676150 203546 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 944132 284216 digits Jul 2012 Justin Keenan; PSieve; srsieve; PrimeGrid; LLR
n = 1150016 346193 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1299102 391073 digits Oct 2014 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1322286 398052 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1326984 399466 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1424730 428891 digits Oct 2016 Andy Barr; PSieve; srsieve; PrimeGrid; LLR
n = 1776804 534875 digits Nov 2023 Vaughan Davies; PPSE; PrimeGrid
n = 2170184 653295 digits Feb 2025 Ed Goforth; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4857
max n: 2.372.902
n = 2 5 digits
n = 4 5 digits
n = 7 6 digits
n = 8 7 digits
n = 20 10 digits
n = 22 11 digits
n = 23 11 digits
n = 32 14 digits
n = 38 16 digits
n = 58 22 digits
n = 62 23 digits
n = 64 23 digits
n = 68 25 digits
n = 94 32 digits
n = 115 39 digits
n = 118 40 digits
n = 130 43 digits
n = 407 127 digits
n = 440 137 digits
n = 763 234 digits
n = 914 279 digits
n = 1228 374 digits
n = 1294 394 digits
n = 2402 727 digits
n = 2620 793 digits
n = 2692 815 digits
n = 3520 1064 digits 1993 Jeffrey Young
n = 4202 1269 digits 1993 Jeffrey Young
n = 4259 1286 digits 1993 Jeffrey Young
n = 6040 1822 digits
n = 6418 1936 digits
n = 9634 2904 digits
n = 10262 3093 digits
n = 11711 3530 digits
n = 12388 3733 digits
n = 16058 4838 digits
n = 19448 5859 digits
n = 27064 8151 digits
n = 31022 9343 digits
n = 36094 10870 digits
n = 48220 14520 digits
n = 58132 17504 digits
n = 73402 22100 digits
n = 83572 25162 digits
n = 146254 44031 digits
n = 167303 50367 digits
n = 175010 52687 digits
n = 210940 63503 digits
n = 233030 70153 digits
n = 245258 73834 digits
n = 473392 142509 digits Oct 2009 Ron Sheckler; srsieve; PrimeGrid; LLR
n = 697528 209981 digits Sep 2011 Michael Hofmann; PSieve; srsieve; PrimeGrid; LLR
n = 1098911 330809 digits Jun 2013 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 2045792 615849 digits Jan 2025 Mark Williams; PPSE; PrimeGrid
n = 2198230 661737 digits Feb 2025 Detlef Lexut; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2310862 695643 digits Sep 2025 Art Bisschop; PPSE; PrimeGrid
n = 3452675 1039363 digits Feb 2023 Ruben Steinberg; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4859
max n: 2.372.842
n = 1 4 digits
n = 3 5 digits
n = 9 7 digits
n = 15 9 digits
n = 25 12 digits
n = 105 36 digits
n = 233 74 digits
n = 383 119 digits
n = 439 136 digits
n = 863 264 digits
n = 1465 445 digits
n = 1715 520 digits
n = 2113 640 digits
n = 2615 791 digits
n = 3275 990 digits
n = 5201 1570 digits
n = 6639 2003 digits
n = 9109 2746 digits
n = 15409 4643 digits
n = 33093 9966 digits
n = 40881 12311 digits
n = 55613 16745 digits
n = 63079 18993 digits
n = 128649 38731 digits
n = 157883 47532 digits
n = 159721 48085 digits
n = 165941 49957 digits
n = 188009 56601 digits
n = 238759 71878 digits
n = 257419 77495 digits
n = 282985 85191 digits
n = 350595 105544 digits Apr 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 682905 205579 digits Aug 2011 Quasar Liao; PSieve; srsieve; PrimeGrid; LLR
n = 711743 214260 digits Nov 2011 Robert Long; PSieve; srsieve; PrimeGrid; LLR
n = 741169 223118 digits Feb 2012 Patrick Goldbach; PSieve; srsieve; PrimeGrid; LLR
n = 873135 262844 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 937395 282188 digits Jul 2012 Manabu Saito; PSieve; srsieve; PrimeGrid; LLR
n = 1687175 507894 digits Apr 2022 Honza Cholt; PPSE; PrimeGrid
k: 4861
max n: 2.372.708
n = 2492 754 digits
n = 120092 36155 digits Feb 2000 Fumitaka Yura; Proth
n = 818108 246279 digits Apr 2012 Minki Li; PSieve; srsieve; PrimeGrid; LLR
n = 1905356 573573 digits Feb 2024 Valter Cavecchia; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4863
max n: 2.373.408
n = 9 7 digits
n = 10 7 digits
n = 22 11 digits
n = 24 11 digits
n = 64 23 digits
n = 394 123 digits
n = 3094 936 digits
n = 3310 1001 digits 1993 Jeffrey Young
n = 11080 3340 digits
n = 17872 5384 digits
n = 28521 8590 digits
n = 29434 8865 digits
n = 50149 15101 digits
n = 53104 15990 digits
n = 130272 39220 digits
n = 179734 54110 digits
n = 464097 139711 digits Jul 2009 Travis Parker; srsieve; PrimeGrid; LLR
n = 520144 156583 digits Jun 2010 Robert Michael Andrews; PSieve; srsieve; PrimeGrid; LLR
n = 552121 166209 digits Sep 2010 Brett Melvold; PSieve; srsieve; PrimeGrid; LLR
n = 1667400 501942 digits Feb 2022 Marc Wiseler; PSieve; srsieve; PrimeGrid; LLR
k: 4865
max n: 2.372.812
n = 3 5 digits
n = 11 7 digits
n = 13 8 digits
n = 21 11 digits
n = 23 11 digits
n = 33 14 digits
n = 43 17 digits
n = 61 23 digits
n = 83 29 digits
n = 115 39 digits
n = 191 62 digits
n = 221 71 digits
n = 551 170 digits
n = 653 201 digits
n = 761 233 digits
n = 2275 689 digits
n = 2685 812 digits
n = 3103 938 digits
n = 4883 1474 digits 1993 Jeffrey Young
n = 23731 7148 digits
n = 41955 12634 digits
n = 179153 53935 digits
n = 187531 56457 digits
n = 209941 63203 digits
n = 749791 225714 digits Feb 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1063003 320000 digits Mar 2013 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1942915 584880 digits Mar 2024 Mats Lundström; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4867
max n: 2.372.447
n = 2 5 digits
n = 8 7 digits
n = 10 7 digits
n = 16 9 digits
n = 36 15 digits
n = 96 33 digits
n = 112 38 digits
n = 168 55 digits
n = 192 62 digits
n = 198 64 digits
n = 210 67 digits
n = 328 103 digits
n = 400 125 digits
n = 478 148 digits
n = 1002 306 digits
n = 1060 323 digits
n = 1066 325 digits
n = 1122 342 digits
n = 1380 420 digits
n = 2562 775 digits
n = 3172 959 digits
n = 4788 1446 digits 1993 Jeffrey Young
n = 7738 2334 digits May 1996 Patrick Demichel
n = 8090 2440 digits
n = 21086 6352 digits
n = 26110 7864 digits
n = 87298 26284 digits
n = 94022 28308 digits
n = 111176 33471 digits
n = 196644 59200 digits
n = 224224 67502 digits
n = 244358 73563 digits
n = 250150 75307 digits
n = 328106 98774 digits
n = 332130 99985 digits
n = 348676 104966 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 778374 234318 digits Feb 2012 Marc Koschewski; PSieve; srsieve; PrimeGrid; LLR
n = 1047112 315216 digits Feb 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1388058 417851 digits Feb 2016 Olaf Eiterig; PSieve; srsieve; PrimeGrid; LLR
n = 1393780 419574 digits Feb 2016 Ward De Ridder; PSieve; srsieve; PrimeGrid; LLR
n = 2121712 638703 digits Jan 2025 Mark Williams; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2253492 678373 digits Mar 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4869
max n: 2.373.169
n = 1 4 digits
n = 2 5 digits
n = 3 5 digits
n = 5 6 digits
n = 22 11 digits
n = 37 15 digits
n = 46 18 digits
n = 66 24 digits
n = 70 25 digits
n = 73 26 digits
n = 97 33 digits
n = 106 36 digits
n = 114 39 digits
n = 141 47 digits
n = 149 49 digits
n = 159 52 digits
n = 171 56 digits
n = 177 57 digits
n = 302 95 digits
n = 306 96 digits
n = 361 113 digits
n = 382 119 digits
n = 446 138 digits
n = 453 141 digits
n = 806 247 digits
n = 977 298 digits
n = 1170 356 digits
n = 1805 548 digits
n = 2181 661 digits
n = 3126 945 digits
n = 4217 1274 digits 1993 Jeffrey Young
n = 4491 1356 digits 1993 Jeffrey Young
n = 4797 1448 digits 1993 Jeffrey Young
n = 5881 1775 digits
n = 9849 2969 digits
n = 11519 3472 digits
n = 13654 4114 digits
n = 14721 4436 digits
n = 16497 4970 digits
n = 17606 5304 digits
n = 23481 7073 digits
n = 24141 7271 digits
n = 28465 8573 digits
n = 35151 10586 digits
n = 40237 12117 digits
n = 40693 12254 digits
n = 93622 28187 digits
n = 196767 59237 digits
n = 241822 72800 digits
n = 317519 95587 digits
n = 410242 123499 digits Sep 2012 Bart Kus; PPSE; PrimeGrid
n = 413322 124427 digits Oct 2012 Ulrich Fries; PPSE; PrimeGrid
n = 519081 156263 digits Jun 2010 Kevin P Erickson; PSieve; srsieve; PrimeGrid; LLR
n = 559527 168439 digits Oct 2010 David Locke; PSieve; srsieve; PrimeGrid; LLR
n = 643789 193804 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 674171 202950 digits Jul 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 745677 224475 digits Feb 2012 Vidmantas Jurka; PSieve; srsieve; PrimeGrid; LLR
n = 756121 227619 digits Feb 2012 Dan Swearingen; PSieve; srsieve; PrimeGrid; LLR
n = 815926 245622 digits Apr 2012 Bartosz Michałowski; PSieve; srsieve; PrimeGrid; LLR
n = 1372286 413103 digits Dec 2015 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1796449 540789 digits Jan 2024 Dr. James Scott Brown; PPSE; PrimeGrid
n = 1886282 567832 digits Feb 2024 Lorin Arnold; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2107621 634461 digits Jan 2025 Michael Rauh; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4871
max n: 2.372.830
n = 1 4 digits
n = 43 17 digits
n = 47 18 digits
n = 83 29 digits
n = 233 74 digits
n = 451 140 digits
n = 527 163 digits
n = 1985 602 digits
n = 2195 665 digits
n = 2215 671 digits
n = 2641 799 digits
n = 2855 864 digits
n = 3673 1110 digits 1993 Jeffrey Young
n = 38663 11643 digits
n = 53111 15992 digits
n = 60935 18347 digits
n = 67961 20462 digits Jun 2000 Chris Caldwell; Proth
n = 183823 55340 digits
n = 693323 208715 digits Sep 2011 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1647283 495886 digits Oct 2021 Erik Veit; PSieve; srsieve; PrimeGrid; LLR
k: 4873
max n: 2.372.629
n = 4 5 digits
n = 10 7 digits
n = 12 8 digits
n = 16 9 digits
n = 18 10 digits
n = 26 12 digits
n = 34 14 digits
n = 38 16 digits
n = 54 20 digits
n = 64 23 digits
n = 94 32 digits
n = 100 34 digits
n = 128 43 digits
n = 144 48 digits
n = 282 89 digits
n = 318 100 digits
n = 334 105 digits
n = 414 129 digits
n = 440 137 digits
n = 694 213 digits
n = 832 255 digits
n = 1110 338 digits
n = 1326 403 digits
n = 1530 465 digits
n = 2244 680 digits
n = 4340 1311 digits 1993 Jeffrey Young
n = 4756 1436 digits 1993 Jeffrey Young
n = 5498 1659 digits
n = 5548 1674 digits
n = 5650 1705 digits
n = 5848 1765 digits
n = 7852 2368 digits
n = 8570 2584 digits May 1996 Patrick Demichel
n = 12986 3913 digits
n = 17096 5151 digits
n = 27642 8325 digits
n = 73190 22037 digits
n = 77884 23450 digits
n = 126868 38195 digits
n = 201882 60777 digits
n = 256148 77112 digits
n = 305556 91986 digits
n = 333610 100431 digits Apr 2012 Senji Yamashita; PPSE; PrimeGrid
n = 489788 147445 digits Feb 2010 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 793286 238807 digits Mar 2012 Shawn Carl Reimerdes; PSieve; srsieve; PrimeGrid; LLR
n = 1035526 311729 digits Jan 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1417666 426764 digits Aug 2016 Wolfram Glatte; PSieve; srsieve; PrimeGrid; LLR
n = 3448176 1038009 digits Jan 2023 Frank Matillek; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3484142 1048835 digits Oct 2023 Uwe Hass; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4875
max n: 2.373.328
n = 2 5 digits
n = 8 7 digits
n = 12 8 digits
n = 39 16 digits
n = 47 18 digits
n = 89 31 digits
n = 116 39 digits
n = 215 69 digits
n = 287 91 digits
n = 300 94 digits
n = 512 158 digits
n = 723 222 digits
n = 840 257 digits
n = 1065 325 digits
n = 3108 940 digits
n = 5993 1808 digits
n = 6507 1963 digits
n = 6986 2107 digits Mar 1996 Patrick Demichel
n = 7301 2202 digits May 1996 Patrick Demichel
n = 13403 4039 digits
n = 15329 4619 digits
n = 15992 4818 digits
n = 29892 9003 digits
n = 35988 10838 digits
n = 54108 16292 digits
n = 55799 16801 digits
n = 63155 19016 digits
n = 66549 20037 digits
n = 76050 22898 digits
n = 80442 24220 digits
n = 109700 33027 digits
n = 143921 43329 digits
n = 164619 49559 digits
n = 173429 52212 digits
n = 387512 116657 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 883569 265985 digits May 2012 Darryl Hemsley; PSieve; srsieve; PrimeGrid; LLR
n = 1062936 319980 digits Mar 2013 Roman Maj; PSieve; srsieve; PrimeGrid; LLR
n = 1201242 361614 digits Nov 2013 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
k: 4877
max n: 2.373.427
n = 27 12 digits
n = 91 32 digits
n = 451 140 digits
n = 691 212 digits
n = 2995 906 digits
n = 141595 42629 digits
n = 225435 67867 digits
n = 1025395 308679 digits Oct 2012 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
k: 4879
max n: 2.373.433
n = 10 7 digits
n = 274 87 digits
n = 518 160 digits
n = 1138 347 digits
n = 1830 555 digits
n = 8502 2564 digits
n = 14442 4352 digits
n = 29202 8795 digits
n = 323642 97430 digits
n = 370242 111458 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 478818 144143 digits Nov 2009 Andreas Kobara; srsieve; PrimeGrid; LLR
n = 489730 147428 digits Feb 2010 Stephen Michael Brown; PSieve; srsieve; PrimeGrid; LLR
n = 731942 220341 digits Feb 2012 Michael Herman; PSieve; srsieve; PrimeGrid; LLR
k: 4881
max n: 2.372.804
n = 7 6 digits
n = 28 13 digits
n = 39 16 digits
n = 44 17 digits
n = 101 35 digits
n = 108 37 digits
n = 185 60 digits
n = 285 90 digits
n = 636 196 digits
n = 800 245 digits
n = 1773 538 digits
n = 2727 825 digits
n = 3161 956 digits
n = 5513 1664 digits
n = 7481 2256 digits
n = 8840 2665 digits
n = 14153 4265 digits
n = 14576 4392 digits
n = 15000 4520 digits Nov 1997 Henri Lifchitz; Proth
n = 15960 4809 digits
n = 42231 12717 digits
n = 54528 16419 digits
n = 57693 17372 digits
n = 76480 23027 digits
n = 81785 24624 digits
n = 168016 50582 digits
n = 213528 64283 digits
n = 230805 69483 digits
n = 298461 89850 digits
n = 330165 99394 digits
n = 348028 104771 digits Apr 2012 Hans Joachim Böhm; PPSE; PrimeGrid
n = 432708 130262 digits Dec 2012 Michael Millerick; PPSE; PrimeGrid
n = 490248 147584 digits Feb 2010 Stephan Kirsten; PSieve; srsieve; PrimeGrid; LLR
n = 653848 196832 digits Mar 2011 Eric Larson; PSieve; srsieve; PrimeGrid; LLR
n = 724908 218223 digits Nov 2011 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 773937 232982 digits Feb 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 895901 269697 digits Jun 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
k: 4883
max n: 2.372.780
n = 1 4 digits
n = 5 6 digits
n = 9 7 digits
n = 21 11 digits
n = 41 17 digits
n = 85 30 digits
n = 109 37 digits
n = 121 41 digits
n = 137 45 digits
n = 189 61 digits
n = 301 95 digits
n = 397 124 digits
n = 461 143 digits
n = 3269 988 digits
n = 4241 1281 digits 1993 Jeffrey Young
n = 8321 2509 digits
n = 183265 55172 digits
n = 237965 71639 digits
n = 267341 80482 digits
n = 278693 83899 digits
n = 379297 114184 digits Jun 2012 PPSE; PrimeGrid
n = 503613 151607 digits Mar 2010 James Winskill; PSieve; srsieve; PrimeGrid; LLR
n = 716941 215825 digits Nov 2011 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 774569 233173 digits Feb 2012 Nico Puada; PSieve; srsieve; PrimeGrid; LLR
n = 804013 242036 digits Mar 2012 Michael R. McPherson; PSieve; srsieve; PrimeGrid; LLR
n = 841773 253403 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 988673 297624 digits Sep 2012 Ray Miller; PSieve; srsieve; PrimeGrid; LLR
n = 1644537 495059 digits Sep 2021 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 1966165 591879 digits May 2024 Derek Gordon; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1992697 599866 digits Sep 2024 Jan Kožíšek; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3382813 1018332 digits Oct 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4885
max n: 2.371.681
n = 2 5 digits
n = 10 7 digits
n = 74 26 digits
n = 106 36 digits
n = 302 95 digits
n = 2126 644 digits
n = 3290 995 digits
n = 4070 1229 digits 1993 Jeffrey Young
n = 43130 12988 digits
n = 177202 53347 digits
n = 217618 65514 digits
n = 243388 73271 digits
n = 264676 79680 digits
n = 288940 86984 digits
n = 346930 104441 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 1134784 341608 digits Aug 2013 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1199260 361017 digits Nov 2013 T. S. Kim; PSieve; srsieve; PrimeGrid; LLR
n = 1935082 582522 digits Mar 2024 Andrew McNary; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4887
max n: 2.372.882
n = 3 5 digits
n = 4 5 digits
n = 18 10 digits
n = 35 15 digits
n = 59 22 digits
n = 62 23 digits
n = 76 27 digits
n = 83 29 digits
n = 90 31 digits
n = 126 42 digits
n = 128 43 digits
n = 152 50 digits
n = 235 75 digits
n = 296 93 digits
n = 303 95 digits
n = 416 129 digits
n = 775 237 digits
n = 823 252 digits
n = 1084 331 digits
n = 1588 482 digits
n = 2071 628 digits
n = 2444 740 digits
n = 2570 778 digits
n = 4794 1447 digits 1993 Jeffrey Young
n = 5679 1714 digits
n = 6032 1820 digits
n = 6879 2075 digits Mar 1996 Patrick Demichel
n = 7363 2221 digits May 1996 Patrick Demichel
n = 8084 2438 digits
n = 8099 2442 digits
n = 8356 2520 digits
n = 8778 2647 digits
n = 9935 2995 digits
n = 15642 4713 digits
n = 26983 8127 digits
n = 31223 9403 digits
n = 44511 13403 digits
n = 53074 15981 digits
n = 140626 42337 digits
n = 150494 45307 digits
n = 258994 77969 digits
n = 672095 202325 digits Jun 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 708160 213182 digits Sep 2011 Ron Shurtz; PSieve; srsieve; PrimeGrid; LLR
n = 953203 286947 digits Jul 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 990919 298301 digits Sep 2012 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 1205562 362915 digits Dec 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1330482 400519 digits Apr 2015 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 1750935 527088 digits Jun 2023 Derek Gordon; PPSE; PrimeGrid
n = 1801854 542416 digits Jan 2024 Roman Strajt; PPSE; PrimeGrid
n = 1877563 565207 digits Feb 2024 David Bestor; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2114372 636494 digits Jan 2025 Wolfgang Schwieger; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4889
max n: 2.373.152
n = 3 5 digits
n = 33 14 digits
n = 39 16 digits
n = 63 23 digits
n = 195 63 digits
n = 555 171 digits
n = 2583 782 digits
n = 5177 1563 digits
n = 41223 12414 digits
n = 42149 12692 digits
n = 43077 12972 digits
n = 76113 22916 digits
n = 84507 25443 digits
n = 126513 38088 digits
n = 177665 53487 digits
n = 185009 55697 digits
n = 808943 243520 digits Mar 2012 Nick Simmerer; PSieve; srsieve; PrimeGrid; LLR
n = 990209 298087 digits Sep 2012 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1453983 437697 digits Jul 2017 Juan C. Toledo; PSieve; srsieve; PrimeGrid; LLR
n = 1828283 550372 digits Jan 2024 Tom Greer; PPSE; PrimeGrid
k: 4891
max n: 2.373.119
n = 12 8 digits
n = 40 16 digits
n = 120 40 digits
n = 136 45 digits
n = 180 58 digits
n = 192 62 digits
n = 220 70 digits
n = 412 128 digits
n = 28812 8677 digits
n = 280704 84505 digits
n = 485820 146251 digits Nov 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 849456 255716 digits May 2012 Marylandeny Chu; PSieve; srsieve; PrimeGrid; LLR
n = 1102896 332009 digits Jul 2013 Jim Hipp; PSieve; srsieve; PrimeGrid; LLR
k: 4893
max n: 2.372.781
n = 1 4 digits
n = 5 6 digits
n = 6 6 digits
n = 8 7 digits
n = 12 8 digits
n = 104 35 digits
n = 126 42 digits
n = 150 49 digits
n = 184 60 digits
n = 232 74 digits
n = 476 147 digits
n = 510 158 digits
n = 616 190 digits
n = 638 196 digits
n = 674 207 digits
n = 876 268 digits
n = 942 288 digits
n = 2536 768 digits
n = 2970 898 digits
n = 3886 1174 digits 1993 Jeffrey Young
n = 3977 1201 digits 1993 Jeffrey Young
n = 4626 1397 digits 1993 Jeffrey Young
n = 9912 2988 digits
n = 10085 3040 digits
n = 13066 3937 digits
n = 19554 5891 digits
n = 35658 10738 digits Feb 1999 Tadashi Taura; Proth
n = 45222 13617 digits
n = 51898 15627 digits Feb 1999 Tadashi Taura; Proth
n = 55877 16825 digits
n = 70230 21146 digits
n = 74773 22513 digits
n = 88920 26772 digits
n = 97328 29303 digits
n = 193468 58244 digits
n = 283022 85202 digits
n = 451364 135878 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 535282 161140 digits Jul 2010 Steffen Klaus; PSieve; srsieve; PrimeGrid; SG Booster; LLR
n = 567366 170798 digits Nov 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 601992 181222 digits Jan 2011 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 975190 293566 digits Aug 2012 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1468228 441985 digits Feb 2018 Daniel Thonon; PSieve; srsieve; PrimeGrid; LLR
n = 1616600 486649 digits Feb 2021 Brian D. Niegocki; PSieve; srsieve; PrimeGrid; LLR
n = 2179813 656193 digits Feb 2025 Jörg Bravin; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4895
max n: 2.372.638
n = 1 4 digits
n = 3 5 digits
n = 5 6 digits
n = 11 8 digits
n = 25 12 digits
n = 27 12 digits
n = 29 13 digits
n = 49 19 digits
n = 59 22 digits
n = 73 26 digits
n = 129 43 digits
n = 161 53 digits
n = 189 61 digits
n = 311 98 digits
n = 315 99 digits
n = 553 171 digits
n = 621 191 digits
n = 2205 668 digits
n = 3973 1200 digits 1993 Jeffrey Young
n = 6087 1837 digits
n = 6937 2092 digits Mar 1996 Patrick Demichel
n = 8577 2586 digits May 1996 Patrick Demichel
n = 10765 3245 digits
n = 12947 3902 digits
n = 13929 4197 digits
n = 16769 5052 digits
n = 18825 5671 digits
n = 20199 6085 digits
n = 22715 6842 digits
n = 25465 7670 digits
n = 29105 8766 digits
n = 33985 10235 digits
n = 44445 13383 digits
n = 45063 13570 digits
n = 60053 18082 digits
n = 73383 22095 digits
n = 87353 26300 digits
n = 248171 74711 digits
n = 313139 94268 digits
n = 382679 115202 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 391319 117803 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 730679 219960 digits Feb 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1013513 305102 digits Oct 2012 Albert J. Klein; PSieve; srsieve; PrimeGrid; LLR
n = 1046249 314957 digits Feb 2013 Gang Zhou; PSieve; srsieve; PrimeGrid; LLR
n = 1100351 331243 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1193889 359401 digits Nov 2013 Jianwen Ling; PSieve; srsieve; PrimeGrid; LLR
n = 1428519 430031 digits Dec 2016 Douglas B. McKay; PSieve; srsieve; PrimeGrid; LLR
n = 2248593 676898 digits Mar 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4897
max n: 2.373.335
n = 6 6 digits
n = 246 78 digits
n = 352 110 digits
n = 458 142 digits
n = 528 163 digits
n = 1346 409 digits
n = 3546 1072 digits 1993 Jeffrey Young
n = 8702 2624 digits
n = 287762 86629 digits
n = 695898 209490 digits Sep 2011 William Fick; PSieve; srsieve; PrimeGrid; LLR
k: 4899
max n: 2.372.628
n = 2 5 digits
n = 7 6 digits
n = 17 9 digits
n = 94 32 digits
n = 130 43 digits
n = 134 45 digits
n = 197 63 digits
n = 317 100 digits
n = 377 118 digits
n = 469 145 digits
n = 517 160 digits
n = 1642 498 digits
n = 2395 725 digits
n = 2458 744 digits
n = 4234 1279 digits 1993 Jeffrey Young
n = 5695 1719 digits
n = 6079 1834 digits
n = 9590 2891 digits
n = 18577 5596 digits
n = 104074 31334 digits
n = 105286 31698 digits
n = 154685 46569 digits
n = 349570 105235 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 357874 107735 digits May 2012 PPSE; PrimeGrid
n = 485506 146156 digits Nov 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 543298 163553 digits Sep 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 1746866 525863 digits May 2023 Aaron Houston Clinton; PPSE; PrimeGrid
n = 1760066 529837 digits Aug 2023 Chase Tarson; PPSE; PrimeGrid
n = 2084779 627585 digits Jan 2025 Jonathan Sipes; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4901
max n: 2.372.988
n = 1 4 digits
n = 3 5 digits
n = 5 6 digits
n = 7 6 digits
n = 9 7 digits
n = 13 8 digits
n = 15 9 digits
n = 19 10 digits
n = 25 12 digits
n = 31 14 digits
n = 37 15 digits
n = 55 21 digits
n = 59 22 digits
n = 61 23 digits
n = 63 23 digits
n = 71 26 digits
n = 79 28 digits
n = 133 44 digits
n = 165 54 digits
n = 175 57 digits
n = 217 70 digits
n = 249 79 digits
n = 337 106 digits
n = 351 110 digits
n = 357 112 digits
n = 393 122 digits
n = 401 125 digits
n = 573 177 digits
n = 715 219 digits
n = 757 232 digits
n = 823 252 digits
n = 853 261 digits
n = 869 266 digits
n = 1221 372 digits
n = 1225 373 digits
n = 1233 375 digits
n = 1261 384 digits
n = 1463 445 digits
n = 1933 586 digits
n = 2203 667 digits
n = 2601 787 digits
n = 3365 1017 digits 1993 Jeffrey Young
n = 3769 1139 digits 1993 Jeffrey Young
n = 9085 2739 digits
n = 10095 3043 digits
n = 10353 3121 digits
n = 10603 3196 digits
n = 10893 3283 digits
n = 12121 3653 digits
n = 12525 3775 digits
n = 23907 7201 digits
n = 27057 8149 digits
n = 29117 8769 digits
n = 41825 12595 digits
n = 61231 18437 digits
n = 64851 19526 digits
n = 68731 20694 digits
n = 98945 29790 digits
n = 107143 32257 digits
n = 195507 58858 digits Aug 2004 John Dilick; NewPGen; Proth
n = 309303 93114 digits Dec 2004 John Dilick; NewPGen; Proth
n = 352465 106107 digits Mar 2005 Michael Becker; PPSE; PrimeGrid
n = 419323 126233 digits Oct 2005 Konstantin Manz; PPSE; PrimeGrid
n = 612701 184446 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 751999 226378 digits Feb 2012 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 882777 265747 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1454813 437947 digits Aug 2017 Alexey Simbarsky; PSieve; srsieve; PrimeGrid; LLR
n = 1570761 472850 digits Feb 2020 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 2014129 606317 digits Nov 2024 Hugh Myers; PPSE; PrimeGrid
k: 4903
max n: 2.372.995
n = 8 7 digits
n = 14 8 digits
n = 26 12 digits
n = 38 16 digits
n = 90 31 digits
n = 126 42 digits
n = 336 105 digits
n = 380 119 digits
n = 566 175 digits
n = 758 232 digits
n = 1256 382 digits
n = 1824 553 digits
n = 9138 2755 digits
n = 9164 2763 digits
n = 10904 3287 digits
n = 24360 7337 digits
n = 25350 7635 digits
n = 26636 8022 digits
n = 26694 8040 digits
n = 58148 17508 digits
n = 65036 19582 digits
n = 93330 28099 digits
n = 118154 35572 digits
n = 120254 36204 digits
n = 120408 36251 digits
n = 926510 278911 digits Jun 2012 HansJürgen Bergelt; PSieve; srsieve; PrimeGrid; LLR
n = 1765016 531327 digits Oct 2023 Valter Cavecchia; PPSE; PrimeGrid
n = 2274078 684570 digits May 2025 Robert Meckley; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4905
max n: 2.372.834
n = 1 4 digits
n = 3 5 digits
n = 6 6 digits
n = 7 6 digits
n = 18 10 digits
n = 19 10 digits
n = 31 14 digits
n = 39 16 digits
n = 43 17 digits
n = 72 26 digits
n = 79 28 digits
n = 82 29 digits
n = 97 33 digits
n = 135 45 digits
n = 175 57 digits
n = 252 80 digits
n = 274 87 digits
n = 363 113 digits
n = 408 127 digits
n = 615 189 digits
n = 678 208 digits
n = 786 241 digits
n = 961 293 digits
n = 1167 355 digits
n = 1308 398 digits
n = 1897 575 digits
n = 3567 1078 digits 1993 Jeffrey Young
n = 3603 1089 digits 1993 Jeffrey Young
n = 3753 1134 digits 1993 Jeffrey Young
n = 6855 2068 digits Mar 1996 Patrick Demichel
n = 7791 2350 digits May 1996 Patrick Demichel
n = 14442 4352 digits
n = 15279 4604 digits
n = 20922 6302 digits
n = 21231 6395 digits
n = 23062 6947 digits
n = 29217 8799 digits
n = 36955 11129 digits
n = 47202 14213 digits
n = 97371 29316 digits
n = 142705 42963 digits
n = 162906 49044 digits
n = 305364 91928 digits
n = 336144 101194 digits Apr 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 362569 109148 digits Feb 2009 Honza Cholt; srsieve; PrimeGrid; LLR
n = 443931 133641 digits Dec 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 466227 140353 digits Aug 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 494844 148967 digits Mar 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 614158 184884 digits Jan 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 659905 198655 digits Mar 2011 Daniel Hagerty; PSieve; srsieve; PrimeGrid; LLR
n = 678906 204375 digits Aug 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 685074 206232 digits Aug 2011 Wenzel Appenzeller; PSieve; srsieve; PrimeGrid; LLR
n = 755382 227397 digits Feb 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 789945 237801 digits Mar 2012 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 912793 274782 digits Jun 2012 Cesare Marini; PSieve; srsieve; PrimeGrid; LLR
n = 1212915 365128 digits Dec 2013 Sami Heikkila; PSieve; srsieve; PrimeGrid; LLR
n = 1455219 438069 digits Aug 2017 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1949575 586885 digits Apr 2024 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2044401 615430 digits Jan 2025 Scott Lee; PPSE; PrimeGrid
n = 2090305 629249 digits Jan 2025 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3372216 1015142 digits Jul 2021 Seonghwan Kim; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4907
max n: 2.373.366
n = 7 6 digits
n = 103 35 digits
n = 143 47 digits
n = 167 54 digits
n = 427 133 digits
n = 4723 1426 digits 1993 Jeffrey Young
n = 9447 2848 digits
n = 29959 9023 digits
n = 31707 9549 digits
n = 349727 105283 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 1538547 463153 digits May 2019 Vince Splain; PSieve; srsieve; PrimeGrid; LLR
k: 4909
max n: 2.373.369
n = 10 7 digits
n = 18 10 digits
n = 42 17 digits
n = 546 169 digits
n = 2506 759 digits
n = 23954 7215 digits
n = 45674 13753 digits
n = 116562 35093 digits
n = 284786 85733 digits
n = 313714 94442 digits
n = 628714 189266 digits Feb 2011 Eric Ueda; PSieve; srsieve; PrimeGrid; LLR
k: 4911
max n: 2.373.215
n = 4 5 digits
n = 9 7 digits
n = 13 8 digits
n = 27 12 digits
n = 29 13 digits
n = 40 16 digits
n = 52 20 digits
n = 53 20 digits
n = 96 33 digits
n = 252 80 digits
n = 448 139 digits
n = 592 182 digits
n = 1552 471 digits
n = 3579 1082 digits 1993 Jeffrey Young
n = 4288 1295 digits 1993 Jeffrey Young
n = 6040 1822 digits
n = 6475 1953 digits
n = 6984 2107 digits Mar 1996 Patrick Demichel
n = 11099 3345 digits
n = 11404 3437 digits
n = 16224 4888 digits
n = 22875 6890 digits
n = 27796 8372 digits
n = 29380 8848 digits
n = 33569 10109 digits Mar 1999 Tadashi Taura; Proth
n = 37937 11424 digits
n = 49576 14928 digits
n = 52804 15900 digits
n = 63429 19098 digits
n = 92957 27987 digits
n = 117067 35245 digits
n = 119320 35923 digits
n = 140092 42176 digits
n = 332289 100033 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 601217 180989 digits Jan 2011 Adrian Schori; PSieve; srsieve; PrimeGrid; LLR
n = 898637 270521 digits Jun 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 904608 272318 digits Jun 2012 Stephen R Cilliers; PSieve; srsieve; PrimeGrid; LLR
n = 1835189 552451 digits Jan 2024 Koichi Soraku; PPSE; PrimeGrid
n = 1904848 573421 digits Feb 2024 Charles Jackson; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2110569 635349 digits Jan 2025 Jonathan Sipes; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 3393373 1021511 digits Jan 2022 Erik Veit; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4913
max n: 2.373.264
n = 5 6 digits
n = 29 13 digits
n = 185 60 digits
n = 217 70 digits
n = 269 85 digits
n = 277 88 digits
n = 389 121 digits
n = 5813 1754 digits
n = 7985 2408 digits
n = 8629 2602 digits May 1996 Patrick Demichel
n = 17953 5409 digits
n = 19345 5828 digits
n = 24133 7269 digits
n = 25213 7594 digits
n = 132073 39762 digits
n = 154645 46557 digits Dec 2003 Jeffrey Sax; Proth
n = 180589 54367 digits Dec 2003 Jeffrey Sax; Proth
n = 365993 110179 digits May 2012 PPSE; PrimeGrid
n = 601049 180938 digits Jan 2011 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
k: 4915
max n: 2.372.787
n = 2 5 digits
n = 8 7 digits
n = 10 7 digits
n = 16 9 digits
n = 26 12 digits
n = 50 19 digits
n = 70 25 digits
n = 98 34 digits
n = 192 62 digits
n = 232 74 digits
n = 284 90 digits
n = 326 102 digits
n = 358 112 digits
n = 424 132 digits
n = 504 156 digits
n = 860 263 digits
n = 900 275 digits
n = 1046 319 digits
n = 1292 393 digits
n = 2040 618 digits
n = 2216 671 digits
n = 2264 686 digits
n = 2572 778 digits
n = 5122 1546 digits
n = 5184 1565 digits
n = 5812 1754 digits
n = 7220 2178 digits May 1996 Patrick Demichel
n = 9560 2882 digits
n = 14508 4372 digits
n = 15922 4797 digits
n = 18190 5480 digits
n = 25028 7538 digits
n = 27638 8324 digits
n = 29870 8996 digits
n = 34630 10429 digits
n = 39880 12009 digits
n = 79958 24074 digits
n = 83468 25131 digits
n = 84972 25583 digits
n = 90548 27262 digits
n = 159982 48164 digits
n = 171912 51755 digits
n = 254266 76546 digits
n = 303032 91226 digits
n = 632330 190354 digits Feb 2011 Eric R Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 889282 267705 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1537390 462805 digits May 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1617116 486805 digits Feb 2021 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
k: 4917
max n: 2.372.662
n = 8 7 digits
n = 15 9 digits
n = 32 14 digits
n = 60 22 digits
n = 63 23 digits
n = 72 26 digits
n = 107 36 digits
n = 144 48 digits
n = 219 70 digits
n = 315 99 digits
n = 647 199 digits
n = 1407 428 digits
n = 1523 463 digits
n = 1547 470 digits
n = 1647 500 digits
n = 2280 691 digits
n = 2940 889 digits
n = 3348 1012 digits 1993 Jeffrey Young
n = 5636 1701 digits
n = 5855 1767 digits
n = 5867 1770 digits
n = 7076 2134 digits Mar 1996 Patrick Demichel
n = 7103 2142 digits
n = 8700 2623 digits
n = 11372 3428 digits
n = 12983 3912 digits
n = 16827 5070 digits
n = 17412 5246 digits
n = 23823 7176 digits
n = 25955 7817 digits
n = 26763 8061 digits
n = 28379 8547 digits
n = 33980 10233 digits
n = 41238 12418 digits
n = 55872 16823 digits
n = 70092 21104 digits
n = 75635 22773 digits
n = 122526 36888 digits
n = 128528 38695 digits
n = 137262 41324 digits
n = 142620 42937 digits
n = 278718 83907 digits
n = 345599 104040 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 592884 178480 digits Dec 2010 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 651311 196068 digits Feb 2011 Brook Harste; PSieve; srsieve; PrimeGrid; LLR
n = 1135299 341763 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1147164 345335 digits Aug 2013 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1164870 350665 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 4919
max n: 2.373.391
n = 1 4 digits
n = 15 9 digits
n = 55 21 digits
n = 147 48 digits
n = 303 95 digits
n = 327 103 digits
n = 637 196 digits
n = 853 261 digits
n = 915 280 digits
n = 1551 471 digits
n = 1969 597 digits
n = 7069 2132 digits Mar 1996 Patrick Demichel
n = 19051 5739 digits
n = 30927 9314 digits
n = 32227 9705 digits
n = 129507 38990 digits
n = 216171 65078 digits
n = 227583 68514 digits
n = 253371 76276 digits
n = 381397 114816 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 389137 117146 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 398281 119899 digits Jul 2012 Frank Matillek; PPSE; PrimeGrid
n = 402853 121275 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 420553 126603 digits Oct 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 452479 136214 digits May 2009 Dr. James Scott Brown; srsieve; PrimeGrid; LLR
n = 826729 248874 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 860395 259009 digits May 2012 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
k: 4921
max n: 2.372.863
n = 4 5 digits
n = 8 7 digits
n = 20 10 digits
n = 24 11 digits
n = 28 13 digits
n = 40 16 digits
n = 60 22 digits
n = 188 61 digits
n = 200 64 digits
n = 236 75 digits
n = 416 129 digits
n = 480 149 digits
n = 504 156 digits
n = 1040 317 digits
n = 2808 849 digits
n = 12368 3727 digits
n = 18680 5627 digits Oct 1996 Patrick Demichel
n = 37068 11163 digits
n = 69000 20775 digits
n = 394036 118621 digits Jul 2012 Bruce Southey; PPSE; PrimeGrid
n = 474536 142854 digits Oct 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 1980284 596129 digits Jul 2024 Valentin Noxe; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4923
max n: 2.372.881
n = 9 7 digits
n = 13 8 digits
n = 14 8 digits
n = 18 10 digits
n = 21 11 digits
n = 38 16 digits
n = 40 16 digits
n = 42 17 digits
n = 49 19 digits
n = 50 19 digits
n = 93 32 digits
n = 174 57 digits
n = 221 71 digits
n = 318 100 digits
n = 338 106 digits
n = 438 136 digits
n = 1049 320 digits
n = 1172 357 digits
n = 1641 498 digits
n = 1684 511 digits
n = 1932 586 digits
n = 2310 700 digits
n = 5538 1671 digits
n = 6388 1927 digits
n = 8193 2471 digits May 1996 Patrick Demichel
n = 9529 2873 digits
n = 9797 2953 digits
n = 13169 3968 digits
n = 24090 7256 digits
n = 25182 7585 digits
n = 30290 9122 digits
n = 60954 18353 digits
n = 69464 20915 digits
n = 82854 24946 digits
n = 90304 27188 digits
n = 90734 27318 digits
n = 159472 48010 digits
n = 175782 52920 digits
n = 210488 63367 digits
n = 282317 84990 digits
n = 290029 87312 digits
n = 396837 119464 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 472932 142371 digits Oct 2009 Karsten Haesslich; srsieve; PrimeGrid; LLR
n = 489582 147383 digits Feb 2010 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 577074 173721 digits Nov 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 641858 193223 digits Feb 2011 Frans Englund; PSieve; srsieve; PrimeGrid; LLR
n = 667904 201063 digits Apr 2011 Stephen Hutchinson; PSieve; srsieve; PrimeGrid; LLR
n = 767284 230980 digits Feb 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 996152 299876 digits Sep 2012 Ed Braaten; PSieve; srsieve; PrimeGrid; LLR
n = 1649025 496410 digits Nov 2021 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 1768609 532409 digits Oct 2023 Vaughan Davies; PPSE; PrimeGrid
k: 4925
max n: 2.372.664
n = 1 4 digits
n = 21 11 digits
n = 27 12 digits
n = 135 45 digits
n = 181 59 digits
n = 397 124 digits
n = 437 136 digits
n = 657 202 digits
n = 865 265 digits
n = 1077 328 digits
n = 2129 645 digits
n = 2849 862 digits
n = 3177 961 digits
n = 5271 1591 digits
n = 6255 1887 digits
n = 7437 2243 digits May 1996 Patrick Demichel
n = 10207 3077 digits
n = 11249 3390 digits May 1996 Patrick Demichel
n = 23025 6935 digits
n = 24507 7382 digits
n = 26839 8084 digits
n = 31821 9583 digits
n = 44455 13386 digits
n = 62049 18683 digits
n = 67987 20470 digits
n = 95917 28878 digits
n = 181685 54697 digits
n = 258157 77717 digits
n = 601805 181166 digits Jan 2011 Brian Carpenter; PSieve; srsieve; PrimeGrid; LLR
n = 611337 184035 digits Jan 2011 Neil Burden; PSieve; srsieve; PrimeGrid; LLR
n = 834597 251243 digits Apr 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1259671 379203 digits Apr 2014 Mark Henderson; PSieve; srsieve; PrimeGrid; LLR
n = 1353205 407359 digits Aug 2015 Jan Töpert; PSieve; srsieve; PrimeGrid; LLR
n = 2258069 679751 digits Mar 2025 Ken Preston; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4927
max n: 2.373.268
n = 2 5 digits
n = 8 7 digits
n = 22 11 digits
n = 32 14 digits
n = 58 22 digits
n = 152 50 digits
n = 242 77 digits
n = 2212 670 digits
n = 2632 797 digits
n = 6872 2073 digits Mar 1996 Patrick Demichel
n = 8338 2514 digits
n = 9446 2848 digits Aug 1999 Takahiro Nohara; Proth
n = 33092 9966 digits
n = 39118 11780 digits
n = 530882 159816 digits Jul 2010 Eric Bigham; PSieve; srsieve; PrimeGrid; LLR
n = 555892 167344 digits Oct 2010 Stefan John; PSieve; srsieve; PrimeGrid; LLR
n = 907178 273092 digits Jun 2012 Sergii Lavrinenko; PSieve; srsieve; PrimeGrid; LLR
n = 1965596 591708 digits May 2024 Jan Kožíšek; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2314888 696855 digits Oct 2025 Sebastien Deram; PPSE; PrimeGrid
k: 4929
max n: 2.372.033
n = 1 4 digits
n = 2 5 digits
n = 11 8 digits
n = 39 16 digits
n = 54 20 digits
n = 69 25 digits
n = 79 28 digits
n = 151 50 digits
n = 170 55 digits
n = 202 65 digits
n = 254 81 digits
n = 311 98 digits
n = 321 101 digits
n = 518 160 digits
n = 703 216 digits
n = 806 247 digits
n = 849 260 digits
n = 1198 365 digits
n = 1434 436 digits
n = 1617 491 digits
n = 1879 570 digits
n = 1947 590 digits
n = 2853 863 digits
n = 3194 966 digits
n = 4223 1275 digits 1993 Jeffrey Young
n = 4298 1298 digits 1993 Jeffrey Young
n = 5269 1590 digits
n = 5391 1627 digits
n = 5678 1713 digits
n = 13854 4175 digits
n = 15866 4780 digits
n = 20402 6146 digits
n = 28479 8577 digits
n = 31134 9376 digits
n = 31906 9609 digits
n = 38051 11459 digits
n = 69031 20785 digits
n = 91190 27455 digits
n = 115307 34715 digits
n = 115603 34804 digits
n = 126698 38144 digits
n = 128017 38541 digits
n = 140166 42198 digits
n = 201130 60550 digits
n = 293761 88435 digits
n = 307573 92593 digits
n = 449622 135354 digits Jan 2013 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 526418 158472 digits Jul 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 820538 247011 digits Apr 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
n = 1071249 322482 digits Apr 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1330434 400505 digits Apr 2015 John R H Graham; PSieve; srsieve; PrimeGrid; LLR
n = 1417679 426768 digits Aug 2016 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1486111 447368 digits Mar 2018 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 2343163 705367 digits Feb 2026 Robert Coplin; PPSE; PrimeGrid
n = 3423494 1030579 digits Jun 2022 Antonio Lucendo; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4931
max n: 2.372.638
n = 5 6 digits
n = 9 7 digits
n = 11 8 digits
n = 29 13 digits
n = 39 16 digits
n = 41 17 digits
n = 53 20 digits
n = 63 23 digits
n = 71 26 digits
n = 173 56 digits
n = 459 142 digits
n = 1515 460 digits
n = 1595 484 digits
n = 1799 546 digits
n = 1925 584 digits
n = 2163 655 digits
n = 2355 713 digits
n = 7523 2269 digits May 1996 Patrick Demichel
n = 9495 2862 digits
n = 10835 3266 digits
n = 14105 4250 digits
n = 15645 4714 digits
n = 16481 4965 digits
n = 20975 6318 digits
n = 29963 9024 digits
n = 34179 10293 digits
n = 38831 11693 digits
n = 46829 14101 digits
n = 55803 16803 digits
n = 69995 21075 digits Jun 2001 Jeremy A. Rouse; Proth
n = 281805 84836 digits
n = 425165 127992 digits Nov 2012 PPSE; PrimeGrid
n = 511871 154093 digits Jun 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 966755 291026 digits Aug 2012 Sascha RubelGratza; PSieve; srsieve; PrimeGrid; LLR
n = 1219095 366988 digits Dec 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1227525 369526 digits Jan 2014 Dwight Ringdahl; PSieve; srsieve; PrimeGrid; LLR
n = 1330101 400404 digits Apr 2015 Masumi Hamada; PSieve; srsieve; PrimeGrid; LLR
n = 2195099 660795 digits Feb 2025 Cédric Latge; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4933
max n: 2.372.631
n = 4 5 digits
n = 10 7 digits
n = 18 10 digits
n = 28 13 digits
n = 46 18 digits
n = 60 22 digits
n = 106 36 digits
n = 360 113 digits
n = 406 126 digits
n = 556 172 digits
n = 730 224 digits
n = 852 261 digits
n = 886 271 digits
n = 990 302 digits
n = 3478 1051 digits 1993 Jeffrey Young
n = 3834 1158 digits 1993 Jeffrey Young
n = 5940 1792 digits
n = 12982 3912 digits
n = 14410 4342 digits
n = 17350 5227 digits
n = 21820 6573 digits
n = 29544 8898 digits
n = 40606 12228 digits
n = 45790 13788 digits
n = 65034 19581 digits
n = 79030 23795 digits
n = 105640 31805 digits
n = 109108 32849 digits
n = 110908 33391 digits
n = 182904 55064 digits
n = 226594 68216 digits
n = 1035502 311721 digits Jan 2013 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1951578 587488 digits Apr 2024 Takashi Iwasaki; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4935
max n: 2.372.458
n = 1 4 digits
n = 7 6 digits
n = 9 7 digits
n = 10 7 digits
n = 11 8 digits
n = 12 8 digits
n = 13 8 digits
n = 14 8 digits
n = 16 9 digits
n = 17 9 digits
n = 23 11 digits
n = 37 15 digits
n = 50 19 digits
n = 77 27 digits
n = 80 28 digits
n = 95 33 digits
n = 117 39 digits
n = 119 40 digits
n = 121 41 digits
n = 224 72 digits
n = 264 84 digits
n = 281 89 digits
n = 283 89 digits
n = 330 104 digits
n = 382 119 digits
n = 404 126 digits
n = 426 132 digits
n = 450 140 digits
n = 456 141 digits
n = 472 146 digits
n = 482 149 digits
n = 536 166 digits
n = 575 177 digits
n = 606 187 digits
n = 640 197 digits
n = 730 224 digits
n = 732 225 digits
n = 779 239 digits
n = 909 278 digits
n = 955 292 digits
n = 1405 427 digits
n = 1661 504 digits
n = 1822 553 digits
n = 1829 555 digits
n = 2177 660 digits
n = 3826 1156 digits 1993 Jeffrey Young
n = 5486 1656 digits
n = 6923 2088 digits Mar 1996 Patrick Demichel
n = 8216 2477 digits May 1996 Patrick Demichel
n = 11017 3321 digits
n = 15921 4797 digits
n = 16903 5093 digits
n = 20766 6255 digits
n = 20855 6282 digits
n = 21269 6407 digits
n = 23779 7162 digits
n = 30504 9187 digits
n = 37076 11165 digits
n = 40600 12226 digits
n = 41897 12616 digits Aug 2001 Jim Fougeron; FermFact; OpenPFGW
n = 44605 13432 digits
n = 44682 13455 digits
n = 45191 13608 digits
n = 48767 14685 digits
n = 50791 15294 digits
n = 55849 16816 digits
n = 67531 20333 digits
n = 71179 21431 digits Jun 2001 Michael Angel; NewPGen; Proth
n = 76497 23032 digits Jun 2001 Michael Angel; NewPGen; Proth
n = 81107 24420 digits Jun 2001 Michael Angel; NewPGen; Proth
n = 82776 24922 digits Jun 2001 Michael Angel; NewPGen; Proth
n = 91754 27625 digits Jun 2001 Michael Angel; NewPGen; Proth
n = 93612 28184 digits Jun 2001 Michael Angel; NewPGen; Proth
n = 96301 28994 digits Jun 2001 Michael Angel; NewPGen; Proth
n = 99175 29859 digits Jun 2001 Michael Angel; NewPGen; Proth
n = 113685 34227 digits Jul 2001 Michael Angel; NewPGen; Proth
n = 134510 40496 digits
n = 141283 42535 digits
n = 243666 73355 digits
n = 296565 89279 digits
n = 298524 89869 digits
n = 308841 92975 digits
n = 319439 96165 digits
n = 335935 101131 digits Apr 2012 Jon Goral; PPSE; PrimeGrid
n = 415162 124980 digits Oct 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 419193 126194 digits Oct 2012 Bart Kus; PPSE; PrimeGrid
n = 479381 144312 digits Oct 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 502717 151337 digits Jun 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 581666 175103 digits Nov 2010 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 585667 176308 digits Nov 2010 Ricky L Hubbard; PSieve; srsieve; PrimeGrid; LLR
n = 964405 290319 digits Aug 2012 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1180072 355241 digits Oct 2013 Waldemar Markowski; PSieve; srsieve; PrimeGrid; LLR
n = 1404109 422683 digits May 2016 Rod Skinner; PSieve; srsieve; PrimeGrid; LLR
n = 1448410 436019 digits May 2017 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1521227 457939 digits Feb 2019 Anthony Ayiomamitis; PSieve; srsieve; PrimeGrid; LLR
n = 1632395 491404 digits Feb 2021 Mingxuan Ni; PSieve; srsieve; PrimeGrid; LLR
n = 1840643 554093 digits Jan 2024 Willie Black; PPSE; PrimeGrid
n = 1851372 557323 digits Jan 2024 Jaroslav Sekanina; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 1988237 598523 digits Aug 2024 Dirk Sadowski; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2122593 638968 digits Jan 2025 Vaughan Davies; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2126261 640073 digits Jan 2025 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2367023 712549 digits May 2026 Ryan Propper; PPSE; PrimeGrid
k: 4937
max n: 2.373.443
n = 7 6 digits
n = 15 9 digits
n = 27 12 digits
n = 43 17 digits
n = 351 110 digits
n = 691 212 digits
n = 1147 349 digits
n = 14391 4336 digits
n = 32307 9730 digits
n = 34095 10268 digits
n = 39131 11784 digits
n = 47887 14420 digits
n = 155643 46857 digits
n = 282647 85089 digits
n = 722307 217440 digits Nov 2011 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 756327 227681 digits Feb 2012 Dave Walker; PSieve; srsieve; PrimeGrid; LLR
n = 891123 268259 digits Jun 2012 Ron Jones; PSieve; srsieve; PrimeGrid; LLR
n = 1642051 494311 digits Jul 2021 Charles Jackson; PSieve; srsieve; PrimeGrid; LLR
k: 4939
max n: 2.373.177
n = 6 6 digits
n = 98 34 digits
n = 146 48 digits
n = 278 88 digits
n = 438 136 digits
n = 538 166 digits
n = 866 265 digits
n = 1258 383 digits
n = 2530 766 digits
n = 3482 1052 digits 1993 Jeffrey Young
n = 6342 1913 digits
n = 7462 2250 digits May 1996 Patrick Demichel
n = 8726 2631 digits
n = 82830 24939 digits
n = 266602 80259 digits
n = 301670 90816 digits
n = 389014 117109 digits Jul 2012 PPSE; PrimeGrid
n = 694846 209174 digits Sep 2011 Michael Dlubatz; PSieve; srsieve; PrimeGrid; LLR
n = 803038 241743 digits Mar 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 938182 282425 digits Jul 2012 Magnus Bergman; PSieve; srsieve; PrimeGrid; LLR
n = 1938574 583573 digits Mar 2024 Michele T. Mazzucato; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4941
max n: 2.372.812
n = 1 4 digits
n = 5 6 digits
n = 8 7 digits
n = 16 9 digits
n = 25 12 digits
n = 32 14 digits
n = 41 17 digits
n = 55 21 digits
n = 77 27 digits
n = 79 28 digits
n = 128 43 digits
n = 160 52 digits
n = 272 86 digits
n = 529 163 digits
n = 808 247 digits
n = 1379 419 digits
n = 1559 473 digits
n = 1589 483 digits
n = 2395 725 digits
n = 2983 902 digits
n = 3707 1120 digits 1993 Jeffrey Young
n = 6503 1962 digits
n = 124633 37522 digits
n = 265145 79821 digits
n = 786292 236702 digits Mar 2012 Amy Chambers; PSieve; srsieve; PrimeGrid; LLR
n = 853349 256888 digits May 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 1079141 324858 digits Apr 2013 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1693456 509785 digits May 2022 PPSE; PrimeGrid
n = 2099489 632013 digits Jan 2025 Roman Strajt; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2150548 647384 digits Feb 2025 Thorsten Sambale; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4943
max n: 2.373.361
n = 1 4 digits
n = 61 23 digits
n = 161 53 digits
n = 1249 380 digits
n = 2269 687 digits
n = 2525 764 digits
n = 3441 1040 digits 1993 Jeffrey Young
n = 17165 5171 digits
n = 23597 7108 digits
n = 33661 10137 digits
n = 45721 13768 digits
n = 52897 15928 digits
n = 63297 19058 digits
n = 87437 26325 digits
n = 111181 33473 digits
n = 172421 51908 digits
n = 200141 60253 digits Jun 2002 Payam Samidoost; FermFact; PRP; OpenPFGW
n = 282637 85086 digits
n = 472029 142099 digits Oct 2009 Ryousukeã Kiyomiya; srsieve; PrimeGrid; LLR
n = 748969 225466 digits Feb 2012 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 922825 277802 digits Jun 2012 Lucas Koepke; PSieve; srsieve; PrimeGrid; LLR
k: 4945
max n: 2.373.233
n = 8 7 digits
n = 20 10 digits
n = 44 17 digits
n = 188 61 digits
n = 210 67 digits
n = 308 97 digits
n = 384 120 digits
n = 408 127 digits
n = 582 179 digits
n = 770 236 digits
n = 918 281 digits
n = 1154 352 digits
n = 1590 483 digits
n = 1700 516 digits
n = 2018 612 digits
n = 2760 835 digits
n = 3080 931 digits
n = 3564 1077 digits 1993 Jeffrey Young
n = 14670 4420 digits
n = 25422 7657 digits
n = 28290 8520 digits
n = 45960 13840 digits
n = 56334 16962 digits
n = 60224 18133 digits
n = 370364 111495 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 688484 207259 digits Aug 2011 David Steel; PSieve; srsieve; PrimeGrid; LLR
n = 950630 286172 digits Jul 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 956714 288004 digits Jul 2012 Timothy D Winslow; PSieve; srsieve; PrimeGrid; LLR
n = 1002108 301669 digits Sep 2012 Max Vassalli; PSieve; srsieve; PrimeGrid; LLR
n = 2183400 657273 digits Feb 2025 LeRoy Blanchard; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2331804 701947 digits Dec 2025 David Perek; PPSE; PrimeGrid
k: 4947
max n: 2.372.759
n = 4 5 digits
n = 10 7 digits
n = 15 9 digits
n = 24 11 digits
n = 28 13 digits
n = 84 29 digits
n = 126 42 digits
n = 148 49 digits
n = 316 99 digits
n = 570 176 digits
n = 736 226 digits
n = 1044 318 digits
n = 1488 452 digits
n = 1539 467 digits
n = 2206 668 digits
n = 2259 684 digits
n = 3610 1091 digits 1993 Jeffrey Young
n = 3886 1174 digits 1993 Jeffrey Young
n = 4056 1225 digits 1993 Jeffrey Young
n = 4140 1250 digits 1993 Jeffrey Young
n = 4491 1356 digits 1993 Jeffrey Young
n = 13738 4140 digits
n = 23940 7211 digits
n = 27088 8158 digits
n = 42120 12684 digits
n = 50283 15141 digits
n = 50424 15183 digits
n = 74350 22386 digits
n = 86787 26130 digits
n = 349216 105129 digits Apr 2012 David Yost; PPSE; PrimeGrid
n = 393816 118555 digits Jul 2012 Bart Kus; PPSE; PrimeGrid
n = 858579 258462 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 880218 264976 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1212870 365114 digits Dec 2013 William Donovan; PSieve; srsieve; PrimeGrid; LLR
n = 1314400 395678 digits Feb 2015 Jager Buss; PSieve; srsieve; PrimeGrid; LLR
n = 1828894 550556 digits Jan 2024 PPSE; PrimeGrid
n = 1955430 588647 digits Apr 2024 Göran Schmidt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4949
max n: 2.372.816
n = 7 6 digits
n = 15 9 digits
n = 25 12 digits
n = 39 16 digits
n = 45 18 digits
n = 135 45 digits
n = 345 108 digits
n = 409 127 digits
n = 553 171 digits
n = 609 188 digits
n = 945 289 digits
n = 1007 307 digits
n = 1343 408 digits
n = 1375 418 digits
n = 3503 1059 digits 1993 Jeffrey Young
n = 3551 1073 digits 1993 Jeffrey Young
n = 6591 1988 digits
n = 8305 2504 digits
n = 33655 10135 digits
n = 140057 42166 digits
n = 143903 43323 digits
n = 407887 122790 digits Aug 2012 Bart Kus; PPSE; PrimeGrid
n = 467383 140700 digits Aug 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 547583 164843 digits Sep 2010 Jan Koval; PSieve; srsieve; PrimeGrid; LLR
n = 703437 211760 digits Sep 2011 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1286431 387259 digits Jul 2014 Fred Richard; PSieve; srsieve; PrimeGrid; LLR
k: 4951
max n: 2.373.403
n = 80 28 digits
n = 108 37 digits
n = 120 40 digits
n = 144 48 digits
n = 164 54 digits
n = 404 126 digits
n = 1116 340 digits
n = 1216 370 digits
n = 1388 422 digits
n = 1596 485 digits
n = 14760 4447 digits
n = 17456 5259 digits
n = 22516 6782 digits
n = 61428 18496 digits
n = 296804 89351 digits
n = 373656 112486 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
k: 4953
max n: 2.372.833
n = 1 4 digits
n = 2 5 digits
n = 9 7 digits
n = 10 7 digits
n = 12 8 digits
n = 14 8 digits
n = 16 9 digits
n = 21 11 digits
n = 25 12 digits
n = 28 13 digits
n = 29 13 digits
n = 42 17 digits
n = 44 17 digits
n = 45 18 digits
n = 69 25 digits
n = 70 25 digits
n = 72 26 digits
n = 80 28 digits
n = 81 29 digits
n = 109 37 digits
n = 118 40 digits
n = 149 49 digits
n = 198 64 digits
n = 234 75 digits
n = 281 89 digits
n = 349 109 digits
n = 408 127 digits
n = 432 134 digits
n = 473 147 digits
n = 569 175 digits
n = 700 215 digits
n = 866 265 digits
n = 1024 312 digits
n = 1316 400 digits
n = 1353 411 digits
n = 1565 475 digits
n = 1593 484 digits
n = 1889 573 digits
n = 2714 821 digits
n = 2784 842 digits
n = 3641 1100 digits 1993 Jeffrey Young
n = 5473 1652 digits
n = 6020 1816 digits
n = 6464 1950 digits
n = 7154 2158 digits
n = 7361 2220 digits May 1996 Patrick Demichel
n = 7549 2277 digits May 1996 Patrick Demichel
n = 10789 3252 digits
n = 14814 4464 digits
n = 18044 5436 digits
n = 28193 8491 digits
n = 32733 9858 digits
n = 41576 12520 digits
n = 48912 14728 digits
n = 63929 19249 digits
n = 65016 19576 digits
n = 80674 24289 digits
n = 86814 26138 digits
n = 100565 30277 digits
n = 127196 38294 digits
n = 141073 42471 digits
n = 184969 55685 digits
n = 186681 56201 digits
n = 190746 57424 digits
n = 256422 77195 digits
n = 345770 104091 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 412328 124127 digits Sep 2012 PPSE; PrimeGrid
n = 438712 132070 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 506084 152351 digits May 2010 Ken Glennie; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR
n = 546822 164614 digits Sep 2010 Pablo Marin; PSieve; srsieve; PrimeGrid; LLR
n = 853390 256900 digits May 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 911276 274326 digits Jun 2012 André Wolfram; PSieve; srsieve; PrimeGrid; LLR
n = 1171416 352636 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1484188 446789 digits Feb 2018 Ken Ito; PSieve; srsieve; PrimeGrid; LLR
n = 1515329 456164 digits Feb 2019 Dao Heng Liu; PSieve; srsieve; PrimeGrid; LLR
n = 1640801 493935 digits Jun 2021 Vaughan Davies; PSieve; srsieve; PrimeGrid; LLR
n = 2009085 604799 digits Oct 2024 PPSE; PrimeGrid
n = 2345649 706115 digits Mar 2026 Phil Lachance; PPSE; PrimeGrid
n = 3362054 1012083 digits Apr 2021 Harvey Chan; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4955
max n: 2.373.106
n = 7 6 digits
n = 19 10 digits
n = 43 17 digits
n = 83 29 digits
n = 295 93 digits
n = 527 163 digits
n = 583 180 digits
n = 685 210 digits
n = 2647 801 digits
n = 2773 839 digits
n = 5699 1720 digits
n = 10525 3173 digits
n = 24085 7255 digits
n = 31979 9631 digits
n = 40043 12058 digits
n = 40355 12152 digits
n = 74735 22502 digits
n = 1056527 318051 digits Mar 2013 Heinz Ming; PSieve; srsieve; PrimeGrid; LLR
k: 4957
max n: 2.372.625
n = 14 8 digits
n = 34 14 digits
n = 42 17 digits
n = 50 19 digits
n = 84 29 digits
n = 96 33 digits
n = 110 37 digits
n = 224 72 digits
n = 390 122 digits
n = 440 137 digits
n = 492 152 digits
n = 954 291 digits
n = 1524 463 digits
n = 1982 601 digits
n = 2362 715 digits
n = 2424 734 digits
n = 2630 796 digits
n = 2990 904 digits
n = 3362 1016 digits 1993 Jeffrey Young
n = 11024 3323 digits
n = 11660 3514 digits
n = 13042 3930 digits
n = 16980 5116 digits
n = 18034 5433 digits
n = 30320 9131 digits
n = 48450 14589 digits
n = 57214 17227 digits
n = 57294 17251 digits
n = 58186 17520 digits
n = 69530 20935 digits
n = 122780 36965 digits
n = 276216 83153 digits
n = 303960 91505 digits
n = 661230 199054 digits Apr 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 746046 224586 digits Feb 2012 Ron Eunson; PSieve; srsieve; PrimeGrid; LLR
n = 1182584 355997 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1206582 363222 digits Dec 2013 Klaus Olszowi; PSieve; srsieve; PrimeGrid; LLR
n = 1237734 372599 digits Jan 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1710062 514784 digits Sep 2022 Vaughan Davies; PPSE; PrimeGrid
n = 2023964 609278 digits Dec 2024 Valter Cavecchia; PPSE; PrimeGrid
k: 4959
max n: 2.373.161
n = 11 8 digits
n = 14 8 digits
n = 26 12 digits
n = 114 39 digits
n = 123 41 digits
n = 233 74 digits
n = 467 145 digits
n = 626 193 digits
n = 747 229 digits
n = 1583 481 digits
n = 5966 1800 digits
n = 10733 3235 digits
n = 13691 4126 digits
n = 21122 6363 digits
n = 38078 11467 digits
n = 38273 11526 digits
n = 52386 15774 digits
n = 81554 24554 digits
n = 119102 35857 digits
n = 164153 49419 digits
n = 216782 65262 digits
n = 235002 70747 digits
n = 312431 94055 digits
n = 345518 104015 digits Apr 2012 Dr. James Scott Brown; PPSE; PrimeGrid
n = 370958 111674 digits May 2012 Bart Kus; PPSE; PrimeGrid
n = 383753 115525 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 851487 256327 digits May 2012 Ossi Mauno; PSieve; srsieve; PrimeGrid; LLR
n = 944498 284326 digits Jul 2012 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1381461 415865 digits Feb 2016 Arvis Lacis; PSieve; srsieve; PrimeGrid; LLR
n = 1507013 453660 digits Dec 2018 Greg Miller; PSieve; srsieve; PrimeGrid; LLR
n = 2041706 614619 digits Jan 2025 John Hall; PPSE; PrimeGrid
n = 2257914 679704 digits Mar 2025 Scott Earle; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4961
max n: 2.372.712
n = 1 4 digits
n = 9 7 digits
n = 37 15 digits
n = 105 36 digits
n = 163 53 digits
n = 271 86 digits
n = 681 209 digits
n = 907 277 digits
n = 1185 361 digits
n = 1261 384 digits
n = 1369 416 digits
n = 1405 427 digits
n = 4351 1314 digits 1993 Jeffrey Young
n = 9217 2779 digits
n = 9741 2937 digits
n = 18753 5649 digits
n = 19159 5772 digits
n = 29701 8945 digits
n = 33657 10136 digits
n = 46603 14033 digits
n = 56841 17115 digits
n = 72967 21969 digits
n = 113001 34021 digits
n = 123529 37190 digits
n = 136413 41069 digits
n = 137433 41376 digits
n = 315189 94886 digits
n = 514459 154872 digits Jun 2010 Kevin P Erickson; PSieve; srsieve; PrimeGrid; LLR
n = 747091 224901 digits Feb 2012 Steve McNeill; PSieve; srsieve; PrimeGrid; LLR
n = 1318855 397019 digits Feb 2015 Chris Siegert; PSieve; srsieve; PrimeGrid; LLR
n = 1458889 439174 digits Oct 2017 Tuna Ertemalp; PSieve; srsieve; PrimeGrid; LLR
k: 4963
max n: 2.372.837
n = 2 5 digits
n = 22 11 digits
n = 38 16 digits
n = 50 19 digits
n = 52 20 digits
n = 132 44 digits
n = 338 106 digits
n = 462 143 digits
n = 700 215 digits
n = 838 256 digits
n = 986 301 digits
n = 1612 489 digits
n = 3012 911 digits
n = 3698 1117 digits 1993 Jeffrey Young
n = 5638 1701 digits
n = 7620 2298 digits May 1996 Patrick Demichel
n = 7782 2347 digits May 1996 Patrick Demichel
n = 9526 2872 digits
n = 12986 3913 digits
n = 20078 6048 digits
n = 20442 6158 digits
n = 23748 7153 digits
n = 25242 7603 digits
n = 30398 9155 digits
n = 30948 9320 digits
n = 36786 11078 digits
n = 51722 15574 digits
n = 91446 27532 digits
n = 97322 29301 digits
n = 143556 43219 digits
n = 206308 62109 digits
n = 257546 77533 digits
n = 270766 81513 digits
n = 479146 144242 digits Oct 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 540762 162790 digits Aug 2010 Jochen Beck; PSieve; srsieve; PrimeGrid; LLR
n = 950658 286181 digits Jul 2012 Radoslaw Szymeczko; PSieve; srsieve; PrimeGrid; LLR
k: 4965
max n: 2.371.975
n = 1 4 digits
n = 2 5 digits
n = 5 6 digits
n = 16 9 digits
n = 30 13 digits
n = 34 14 digits
n = 35 15 digits
n = 37 15 digits
n = 41 17 digits
n = 51 20 digits
n = 54 20 digits
n = 101 35 digits
n = 104 36 digits
n = 106 36 digits
n = 119 40 digits
n = 169 55 digits
n = 269 85 digits
n = 365 114 digits
n = 647 199 digits
n = 907 277 digits
n = 1429 434 digits
n = 1449 440 digits
n = 1767 536 digits
n = 2295 695 digits
n = 2585 782 digits
n = 4794 1447 digits 1993 Jeffrey Young
n = 5027 1517 digits
n = 5065 1529 digits
n = 6431 1940 digits
n = 9567 2884 digits
n = 12975 3910 digits
n = 14591 4397 digits
n = 18171 5474 digits
n = 19025 5731 digits
n = 22518 6783 digits
n = 22904 6899 digits
n = 30455 9172 digits
n = 34384 10355 digits
n = 50050 15071 digits Mar 1999 Tadashi Taura; Proth
n = 50142 15098 digits
n = 53426 16087 digits
n = 55285 16647 digits
n = 71495 21526 digits
n = 83166 25040 digits
n = 97576 29377 digits
n = 101699 30619 digits
n = 119519 35983 digits
n = 127150 38280 digits
n = 230666 69442 digits
n = 312400 94046 digits
n = 502617 151307 digits Jun 2009 Peter Kaiser; srsieve; PrimeGrid; LLR
n = 607237 182801 digits Jan 2011 Drew Halasz; PSieve; srsieve; PrimeGrid; LLR
n = 881215 265276 digits May 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 899120 270666 digits Jun 2012 Lee Blyth; PSieve; srsieve; PrimeGrid; LLR
n = 906050 272752 digits Jun 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1022194 307715 digits Oct 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 1084539 326483 digits Apr 2013 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1318451 396897 digits Feb 2015 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1713719 515885 digits Oct 2022 Ryan Propper; PPSE; PrimeGrid
k: 4967
max n: 2.372.750
n = 7 6 digits
n = 27 12 digits
n = 35 15 digits
n = 43 17 digits
n = 63 23 digits
n = 107 36 digits
n = 119 40 digits
n = 259 82 digits
n = 475 147 digits
n = 839 257 digits
n = 2015 611 digits
n = 2583 782 digits
n = 3543 1071 digits 1993 Jeffrey Young
n = 3615 1092 digits 1993 Jeffrey Young
n = 3767 1138 digits 1993 Jeffrey Young
n = 5559 1678 digits
n = 6735 2032 digits Mar 1996 Patrick Demichel
n = 7807 2354 digits
n = 16255 4897 digits
n = 20331 6124 digits
n = 23339 7030 digits
n = 35687 10747 digits
n = 188967 56889 digits
n = 192947 58087 digits
n = 219155 65976 digits
n = 411743 123951 digits Sep 2012 Ronny Willig; PPSE; PrimeGrid
n = 529755 159476 digits Jul 2010 Alexander Kappner; PSieve; srsieve; PrimeGrid; LLR
n = 565671 170288 digits Oct 2010 Gerrit Slomma; PSieve; srsieve; PrimeGrid; LLR
n = 1044171 314331 digits Feb 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1056047 317906 digits Mar 2013 Bart Kus; PSieve; srsieve; PrimeGrid; LLR
n = 1488307 448029 digits Apr 2018 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1919935 577962 digits Feb 2024 Kai Presler; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2187767 658588 digits Feb 2025 Andrew Dunchouk; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4969
max n: 2.373.046
n = 34 14 digits
n = 166 54 digits
n = 826 253 digits
n = 1618 491 digits
n = 1274494 383665 digits Jun 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 4971
max n: 2.372.822
n = 3 5 digits
n = 4 5 digits
n = 5 6 digits
n = 8 7 digits
n = 11 8 digits
n = 15 9 digits
n = 16 9 digits
n = 44 17 digits
n = 76 27 digits
n = 92 32 digits
n = 96 33 digits
n = 171 56 digits
n = 207 67 digits
n = 217 70 digits
n = 505 156 digits
n = 1068 326 digits
n = 1645 499 digits
n = 1703 517 digits
n = 1947 590 digits
n = 2089 633 digits
n = 2652 803 digits
n = 3953 1194 digits 1993 Jeffrey Young
n = 4167 1259 digits 1993 Jeffrey Young
n = 4225 1276 digits 1993 Jeffrey Young
n = 4343 1312 digits 1993 Jeffrey Young
n = 4733 1429 digits 1993 Jeffrey Young
n = 5081 1534 digits
n = 5296 1598 digits
n = 6511 1964 digits
n = 7535 2272 digits May 1996 Patrick Demichel
n = 8335 2513 digits
n = 9388 2830 digits
n = 9748 2939 digits
n = 12631 3807 digits
n = 15156 4567 digits
n = 16001 4821 digits Aug 1997 Andy Penrose; Proth
n = 16959 5109 digits
n = 20933 6306 digits
n = 21079 6350 digits
n = 27815 8377 digits
n = 30339 9137 digits
n = 41612 12531 digits
n = 55039 16573 digits
n = 59173 17817 digits
n = 96455 29040 digits
n = 108044 32529 digits
n = 114183 34377 digits
n = 169049 50893 digits
n = 356965 107461 digits May 2012 David Yost; PPSE; PrimeGrid
n = 1174229 353482 digits Sep 2013 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
n = 1192644 359026 digits Oct 2013 Carl Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 1331888 400942 digits Apr 2015 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1400708 421659 digits Mar 2016 Frank Meador; PSieve; srsieve; PrimeGrid; LLR
n = 1649624 496591 digits Nov 2021 Stefan Larsson; PSieve; srsieve; PrimeGrid; LLR
n = 2007468 604312 digits Oct 2024 Craig Whyte; PPSE; PrimeGrid
n = 2234795 672745 digits Feb 2025 Jens Katzur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2279485 686198 digits May 2025 Jonathan Champ; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4973
max n: 2.372.896
n = 9 7 digits
n = 17 9 digits
n = 33 14 digits
n = 369 115 digits
n = 6401 1931 digits
n = 22673 6829 digits
n = 112761 33949 digits
n = 726513 218706 digits Feb 2012 Sebastian Soller; PSieve; srsieve; PrimeGrid; LLR
n = 1119393 336975 digits Jul 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
k: 4975
max n: 2.373.330
n = 4 5 digits
n = 24 11 digits
n = 64 23 digits
n = 78 28 digits
n = 100 34 digits
n = 108 37 digits
n = 168 55 digits
n = 184 60 digits
n = 450 140 digits
n = 844 258 digits
n = 3114 942 digits
n = 4284 1294 digits 1993 Jeffrey Young
n = 4492 1356 digits 1993 Jeffrey Young
n = 27868 8393 digits
n = 57564 17333 digits
n = 145804 43896 digits
n = 305932 92099 digits
n = 902514 271688 digits Jun 2012 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 994680 299433 digits Sep 2012 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1719000 517475 digits Nov 2022 PPSE; PrimeGrid
n = 3379420 1017311 digits Sep 2021 Tom Greer; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4977
max n: 2.373.023
n = 4 5 digits
n = 8 7 digits
n = 24 11 digits
n = 27 12 digits
n = 32 14 digits
n = 63 23 digits
n = 98 34 digits
n = 116 39 digits
n = 152 50 digits
n = 314 99 digits
n = 368 115 digits
n = 634 195 digits
n = 850 260 digits
n = 1484 451 digits
n = 1635 496 digits
n = 1940 588 digits
n = 2120 642 digits
n = 2208 669 digits
n = 2216 671 digits
n = 4108 1241 digits 1993 Jeffrey Young
n = 5892 1778 digits
n = 6672 2013 digits Mar 1996 Patrick Demichel
n = 6808 2054 digits Mar 1996 Patrick Demichel
n = 7215 2176 digits May 1996 Patrick Demichel
n = 14440 4351 digits
n = 26184 7886 digits
n = 26960 8120 digits
n = 37196 11201 digits
n = 77458 23321 digits
n = 118984 35822 digits
n = 123712 37245 digits
n = 134000 40342 digits
n = 135283 40728 digits
n = 235352 70852 digits
n = 251235 75633 digits
n = 279795 84231 digits
n = 374828 112839 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 379202 114155 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 554698 166985 digits Oct 2010 Eric Ueda; PSieve; srsieve; PrimeGrid; LLR
n = 573618 172680 digits Nov 2010 Steve Martin; PSieve; srsieve; PrimeGrid; LLR
n = 671552 202161 digits Jun 2011 Michael Sherman; PSieve; srsieve; PrimeGrid; LLR
n = 1035048 311585 digits Jan 2013 Mariusz Szafrański; PSieve; srsieve; PrimeGrid; LLR
n = 1338908 403056 digits Apr 2015 John Murphy; PSieve; srsieve; PrimeGrid; LLR
n = 1721874 518340 digits Dec 2022 Michael Millerick; PPSE; PrimeGrid
n = 2157032 649336 digits Feb 2025 Jens Katzur; LLR2; PSieve; srsieve; PrimeGrid; LLR
n = 2181267 656631 digits Feb 2025 Greg Miller; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4979
max n: 2.372.900
n = 17 9 digits
n = 21 11 digits
n = 25 12 digits
n = 29 13 digits
n = 69 25 digits
n = 107 36 digits
n = 995 304 digits
n = 1587 482 digits
n = 1901 576 digits
n = 3001 908 digits
n = 4461 1347 digits 1993 Jeffrey Young
n = 14781 4454 digits
n = 23853 7185 digits
n = 29123 8771 digits
n = 55869 16822 digits
n = 71609 21561 digits
n = 127037 38246 digits
n = 272685 82091 digits
n = 1796779 540889 digits Jan 2024 Keith Reinhardt; PPSE; PrimeGrid
k: 4981
max n: 2.373.167
n = 4 5 digits
n = 84 29 digits
n = 336 105 digits
n = 340 107 digits
n = 396 123 digits
n = 816 250 digits
n = 1036 316 digits
n = 1340 408 digits
n = 1980 600 digits
n = 7668 2312 digits May 1996 Patrick Demichel
n = 7932 2392 digits
n = 11540 3478 digits
n = 70560 21245 digits
n = 72628 21867 digits
n = 164592 49551 digits
n = 247828 74608 digits
n = 348568 104934 digits Apr 2012 Adrian Schori; PPSE; PrimeGrid
n = 821540 247312 digits Apr 2012 Edoardo Pirovano; PSieve; srsieve; PrimeGrid; LLR
n = 1776820 534880 digits Nov 2023 Vaughan Davies; PPSE; PrimeGrid
n = 2024764 609519 digits Dec 2024 Dawid Kwiatkowski; PPSE; PrimeGrid
k: 4983
max n: 2.372.712
n = 1 4 digits
n = 5 6 digits
n = 10 7 digits
n = 13 8 digits
n = 50 19 digits
n = 56 21 digits
n = 178 58 digits
n = 265 84 digits
n = 766 235 digits
n = 1004 306 digits
n = 2408 729 digits
n = 2701 817 digits
n = 3749 1133 digits 1993 Jeffrey Young
n = 4633 1399 digits 1993 Jeffrey Young
n = 8933 2693 digits
n = 14414 4343 digits
n = 17693 5330 digits
n = 38149 11488 digits
n = 58186 17520 digits
n = 73210 22043 digits
n = 159278 47952 digits
n = 250678 75466 digits
n = 261089 78600 digits
n = 282308 84987 digits
n = 332998 100247 digits Apr 2012 Lennart Vogel; PPSE; PrimeGrid
n = 377114 113527 digits Jun 2012 Bart Kus; PPSE; PrimeGrid
n = 842024 253479 digits Apr 2012 Grzegorz Granowski; PSieve; srsieve; PrimeGrid; LLR
n = 1142773 344013 digits Aug 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1410173 424509 digits Jun 2016 David Yost; PSieve; srsieve; PrimeGrid; LLR
n = 1549753 466526 digits Nov 2019 Randall Scalise; PSieve; srsieve; PrimeGrid; LLR
n = 1592090 479271 digits Sep 2020 Alen Kecic; PSieve; srsieve; PrimeGrid; LLR
n = 2015909 606853 digits Dec 2024 Jonathan Gehrke; PPSE; PrimeGrid
k: 4985
max n: 2.372.860
n = 5 6 digits
n = 7 6 digits
n = 11 8 digits
n = 15 9 digits
n = 17 9 digits
n = 19 10 digits
n = 27 12 digits
n = 53 20 digits
n = 71 26 digits
n = 83 29 digits
n = 213 68 digits
n = 261 83 digits
n = 571 176 digits
n = 851 260 digits
n = 873 267 digits
n = 1039 317 digits
n = 1053 321 digits
n = 1383 421 digits
n = 2135 647 digits
n = 2951 893 digits
n = 3647 1102 digits 1993 Jeffrey Young
n = 3825 1156 digits 1993 Jeffrey Young
n = 4327 1307 digits 1993 Jeffrey Young
n = 4605 1390 digits 1993 Jeffrey Young
n = 6251 1886 digits
n = 7953 2398 digits
n = 9377 2827 digits
n = 15651 4716 digits
n = 19253 5800 digits
n = 20207 6087 digits Oct 1996 Patrick Demichel
n = 23659 7126 digits
n = 28531 8593 digits
n = 33487 10085 digits
n = 38283 11529 digits
n = 38529 11603 digits
n = 65513 19726 digits
n = 67263 20252 digits
n = 91265 27478 digits
n = 127071 38256 digits
n = 174215 52448 digits
n = 227963 68628 digits
n = 382807 115241 digits Apr 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 409181 123180 digits Sep 2012 PPSE; PrimeGrid
n = 434661 130850 digits Dec 2012 Brook Harste; PPSE; PrimeGrid
n = 436553 131420 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 466217 140349 digits Aug 2009 Wolfgang Straubinger; srsieve; PrimeGrid; LLR
n = 504245 151797 digits May 2010 Kevin Tatterson; PSieve; srsieve; PrimeGrid; LLR
n = 863811 260037 digits May 2012 Fred Richard; PSieve; srsieve; PrimeGrid; LLR
n = 908981 273635 digits Jun 2012 Kirill Scherbakov; PSieve; srsieve; PrimeGrid; LLR
n = 1032021 310673 digits Jan 2013 Yegor Ryabchikov; PSieve; srsieve; PrimeGrid; LLR
n = 1295001 389838 digits Sep 2014 Huiwon Kim; PSieve; srsieve; PrimeGrid; LLR
n = 1317823 396708 digits Feb 2015 Uwe Senftleben; PSieve; srsieve; PrimeGrid; LLR
n = 1669361 502532 digits Feb 2022 Tom Greer; PSieve; srsieve; PrimeGrid; LLR
n = 1758103 529246 digits Aug 2023 Sanghyeok Lee; PPSE; PrimeGrid
n = 2186799 658296 digits Feb 2025 Greg McDevitt; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4987
max n: 2.373.131
n = 2 5 digits
n = 6 6 digits
n = 24 11 digits
n = 26 12 digits
n = 36 15 digits
n = 50 19 digits
n = 74 26 digits
n = 90 31 digits
n = 110 37 digits
n = 162 53 digits
n = 176 57 digits
n = 180 58 digits
n = 194 63 digits
n = 216 69 digits
n = 384 120 digits
n = 516 160 digits
n = 990 302 digits
n = 1206 367 digits
n = 3072 929 digits
n = 6084 1836 digits
n = 6450 1946 digits
n = 6596 1990 digits
n = 6656 2008 digits Mar 1996 Patrick Demichel
n = 8676 2616 digits
n = 9066 2733 digits
n = 9074 2736 digits
n = 9116 2748 digits
n = 20066 6045 digits
n = 38760 11672 digits
n = 150110 45192 digits
n = 286434 86229 digits
n = 381204 114758 digits Mar 2009 Lennart Vogel; srsieve; PrimeGrid; LLR
n = 3327294 1001619 digits Jan 2020 Seonghwan Kim; PSieve; srsieve; PrimeGrid; LLR
k: 4989
max n: 2.373.362
n = 13 8 digits
n = 18 10 digits
n = 22 11 digits
n = 30 13 digits
n = 111 38 digits
n = 115 39 digits
n = 583 180 digits
n = 597 184 digits
n = 3490 1055 digits 1993 Jeffrey Young
n = 3702 1119 digits 1993 Jeffrey Young
n = 3877 1171 digits 1993 Jeffrey Young
n = 4591 1386 digits 1993 Jeffrey Young
n = 8730 2632 digits
n = 9102 2744 digits
n = 10387 3131 digits
n = 32043 9650 digits
n = 32875 9901 digits
n = 92055 27716 digits
n = 122202 36791 digits
n = 122503 36881 digits
n = 530163 159599 digits Jul 2010 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 750765 226007 digits Feb 2012 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
n = 1093678 329234 digits May 2013 Michael Mamanakis; PSieve; srsieve; PrimeGrid; LLR
n = 1465531 441173 digits Jan 2018 Honza Cholt; PSieve; srsieve; PrimeGrid; LLR
k: 4991
max n: 2.373.046
n = 3 5 digits
n = 21 11 digits
n = 55 21 digits
n = 73 26 digits
n = 97 33 digits
n = 111 38 digits
n = 159 52 digits
n = 221 71 digits
n = 229 73 digits
n = 269 85 digits
n = 319 100 digits
n = 413 129 digits
n = 613 189 digits
n = 1009 308 digits
n = 2129 645 digits
n = 2545 770 digits
n = 2733 827 digits
n = 2867 867 digits
n = 2933 887 digits
n = 3065 927 digits
n = 3559 1076 digits 1993 Jeffrey Young
n = 3973 1200 digits 1993 Jeffrey Young
n = 4919 1485 digits 1993 Jeffrey Young
n = 5533 1670 digits
n = 5901 1781 digits
n = 8335 2513 digits
n = 8403 2534 digits
n = 9021 2720 digits
n = 9091 2741 digits
n = 10547 3179 digits
n = 13091 3945 digits
n = 16997 5121 digits May 1998 Steffen Polster; Proth
n = 22487 6773 digits Oct 1998 Steffen Polster; Proth
n = 28211 8497 digits
n = 36029 10850 digits
n = 38719 11660 digits
n = 49789 14992 digits
n = 350089 105391 digits Apr 2012 James Boerner; PPSE; PrimeGrid
n = 443845 133615 digits Dec 2012 Philipp Bliedung; PPSE; PrimeGrid
n = 684147 205953 digits Sep 2011 Mr. Mark Livingstone JP(Qual); PSieve; srsieve; PrimeGrid; LLR
n = 746483 224718 digits Feb 2012 Tom Pepper; PSieve; srsieve; PrimeGrid; LLR
n = 788855 237473 digits Mar 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 886897 266987 digits May 2012 Ales Martinik; PSieve; srsieve; PrimeGrid; LLR
n = 1263197 380264 digits Apr 2014 Mark Molder; PSieve; srsieve; PrimeGrid; LLR
k: 4993
max n: 2.373.083
n = 2 5 digits
n = 4 5 digits
n = 8 7 digits
n = 12 8 digits
n = 14 8 digits
n = 24 11 digits
n = 26 12 digits
n = 36 15 digits
n = 56 21 digits
n = 118 40 digits
n = 146 48 digits
n = 164 54 digits
n = 256 81 digits
n = 428 133 digits
n = 694 213 digits
n = 1102 336 digits
n = 1176 358 digits
n = 2648 801 digits
n = 3442 1040 digits 1993 Jeffrey Young
n = 3722 1125 digits 1993 Jeffrey Young
n = 7304 2203 digits May 1996 Patrick Demichel
n = 11436 3447 digits
n = 11816 3561 digits
n = 11834 3567 digits
n = 14816 4464 digits
n = 39398 11864 digits
n = 125558 37801 digits
n = 210422 63348 digits
n = 330032 99354 digits
n = 384164 115649 digits Jun 2012 Ronny Willig; PPSE; PrimeGrid
n = 542206 163224 digits Aug 2010 Andreas Kobara; PSieve; srsieve; PrimeGrid; LLR
n = 1073306 323101 digits Apr 2013 Raphaël Jeudy; PSieve; srsieve; PrimeGrid; LLR
n = 1270616 382498 digits May 2014 Arnaud de Klerk; PSieve; srsieve; PrimeGrid; LLR
k: 4995
max n: 2.372.378
n = 6 6 digits
n = 7 6 digits
n = 8 7 digits
n = 9 7 digits
n = 10 7 digits
n = 18 10 digits
n = 20 10 digits
n = 40 16 digits
n = 42 17 digits
n = 43 17 digits
n = 57 21 digits
n = 87 30 digits
n = 92 32 digits
n = 96 33 digits
n = 112 38 digits
n = 133 44 digits
n = 176 57 digits
n = 219 70 digits
n = 380 119 digits
n = 416 129 digits
n = 441 137 digits
n = 477 148 digits
n = 502 155 digits
n = 1221 372 digits
n = 1273 387 digits
n = 1507 458 digits
n = 1728 524 digits
n = 1767 536 digits
n = 2509 759 digits
n = 3819 1154 digits 1993 Jeffrey Young
n = 3862 1167 digits 1993 Jeffrey Young
n = 3973 1200 digits 1993 Jeffrey Young
n = 4353 1315 digits 1993 Jeffrey Young
n = 4582 1384 digits 1993 Jeffrey Young
n = 5744 1733 digits
n = 7342 2214 digits May 1996 Patrick Demichel
n = 7810 2355 digits
n = 9180 2768 digits
n = 10122 3051 digits
n = 10936 3296 digits
n = 12283 3702 digits
n = 13194 3976 digits
n = 16652 5017 digits Apr 1998 Steffen Polster; Proth
n = 25712 7744 digits
n = 26082 7856 digits
n = 28912 8708 digits
n = 32932 9918 digits
n = 36012 10845 digits
n = 36900 11112 digits
n = 44240 13322 digits
n = 45171 13602 digits
n = 48621 14641 digits
n = 53152 16005 digits
n = 53244 16032 digits
n = 59272 17847 digits
n = 75150 22627 digits
n = 112088 33746 digits
n = 133144 40085 digits
n = 139592 42026 digits
n = 158924 47845 digits
n = 199857 60167 digits
n = 216907 65300 digits
n = 224368 67546 digits
n = 241111 72586 digits
n = 269883 81247 digits
n = 282132 84934 digits
n = 455011 136976 digits May 2009 Ben Rhodes; srsieve; PrimeGrid; LLR
n = 466393 140402 digits Sep 2009 Gerrit Slomma; srsieve; PrimeGrid; LLR
n = 559006 168282 digits Oct 2010 Lennart Vogel; PSieve; srsieve; PrimeGrid; LLR
n = 623157 187593 digits Feb 2011 Rune Fredriksen; PSieve; srsieve; PrimeGrid; LLR
n = 649609 195556 digits Feb 2011 Seth Johnson; PSieve; srsieve; PrimeGrid; LLR
n = 685837 206462 digits Aug 2011 Dr. James Scott Brown; PSieve; srsieve; PrimeGrid; LLR
n = 754580 227155 digits Feb 2012 Bruce Dodson; PSieve; srsieve; PrimeGrid; LLR
n = 1179942 355202 digits Oct 2013 Randy Ready; PSieve; srsieve; PrimeGrid; LLR
n = 1291664 388834 digits Sep 2014 JanPeter Fischer; PSieve; srsieve; PrimeGrid; LLR
n = 2061378 620541 digits Jan 2025 Mark Williams; PPSE; PrimeGrid
n = 2143941 645395 digits Jan 2025 Sascha Beat Dinkel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4997
max n: 2.372.874
n = 83 29 digits
n = 211 68 digits
n = 295 93 digits
n = 1415 430 digits
n = 1799 546 digits
n = 8579 2587 digits May 1996 Patrick Demichel
n = 11599 3496 digits
n = 47423 14280 digits
n = 106915 32189 digits
n = 441839 133011 digits Dec 2012 Ardo van Rangelrooij; PPSE; PrimeGrid
n = 797431 240055 digits Mar 2012 William Finn; PSieve; srsieve; PrimeGrid; LLR
n = 2213459 666322 digits Feb 2025 David Steel; LLR2; PSieve; srsieve; PrimeGrid; LLR
k: 4999
max n: 2.372.845
n = 2 5 digits
n = 6 6 digits
n = 18 10 digits
n = 22 11 digits
n = 30 13 digits
n = 34 14 digits
n = 614 189 digits
n = 1022 312 digits
n = 2854 863 digits
n = 3722 1125 digits 1993 Jeffrey Young
n = 4846 1463 digits 1993 Jeffrey Young
n = 6738 2033 digits Mar 1996 Patrick Demichel
n = 6994 2110 digits Mar 1996 Patrick Demichel
n = 9366 2824 digits
n = 10386 3131 digits
n = 14854 4476 digits
n = 17498 5272 digits Apr 1998 Steffen Polster; Proth
n = 21238 6397 digits Apr 1998 Steffen Polster; Proth
n = 38822 11691 digits
n = 123298 37121 digits
n = 189614 57084 digits
n = 653022 196583 digits Mar 2011 Andrew Gockel; PSieve; srsieve; PrimeGrid; LLR
n = 917006 276051 digits Jun 2012 Boris Tassou; PSieve; srsieve; PrimeGrid; LLR
n = 2084486 627497 digits Jan 2025 Mark Williams; LLR2; PSieve; srsieve; PrimeGrid; LLR