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Last updated: 11 March 2024

Largest Known Prime Gaps • with at least 1 million
Gap Size Gap start Merit Who When
16045848 PRP385713 = 1217 • 888887# / 23# - 7636494 18.0669 Andreas Höglund Mar 2024
8193558 PRP289083 = 666667# / 17# - 6334558 12.3094 Andreas Höglund 2023
7769676 PRP289082 = 43 • 666667# / 23# - 5594774 11.6726 Andreas Höglund 2023
7186572 PRP208095 = 29 • 479909# / 19# - 3531714 14.9985 Michiel Jansen, Jens Kruse Andersen 2022
6966714 PRP208096 = 479909# / 13# - 3166622 14.5395 Michiel Jansen, Jens Kruse Andersen 2022
6647694 PRP337314 = 2437 • 777787# / 23# - 2374658 8.55898 Andreas Höglund 2023
6582144 PRP216841 = 499973# / 13# - 4509212 13.1829 Martin Raab 2017
6480930 PRP208093 = 479909# / 19# - 2492758 13.5259 Michiel Jansen, Jens Kruse Andersen 2022
6181674 PRP208094 = 479909# / 17# - 3758926 12.9012 Michiel Jansen, Jens Kruse Andersen 2022
5384030 PRP173457 = 829 • 400009# / 46410 - 2470148 13.4804 Robert Smith, Michiel Jansen, Jens Kruse Andersen 2022
5198448 PRP157490 = 363257 • 363269# / 17# - 2177806 14.3353 Michiel Jansen, Jens Kruse Andersen 2021
5103138 PRP216849 = 281 • 499979# / 46410 - 2702372 10.2203 Robert Smith 2016
4854690 PRP208102 = 479903 • 479909# / 2310 - 1944886 10.1314 Michiel Jansen, Jens Kruse Andersen 2022
4680156 PRP99750 = 230077# / 2229464046810 - 3131794 20.3767 Martin Raab 2016
4656036 PRP303518 = 1627 • 700001# / 23# - 2745914 6.66220 Andreas Höglund 2023
4397298 PRP97234 = 224423# / 107371994730 - 2375864 19.6406 Martin Raab 2021
4362420 PRP151940 = 350351 • 350377# / 2310 - 2859322 12.4693 Michiel Jansen, Jens Kruse Andersen 2022
3397520 PRP97234 = 224423# / 102233201070 - 1888326 15.1751 Martin Raab 2021
3870360 PRP135376 = 2267 • 312583# / 46410 - 1157722 12.4164 Robert Smith 2018
3377768 PRP124421 = 181 • 287117# / 46410 - 1546166 11.7902 Robert Smith 2018
3370374 PRP129873 = 300007# / 19# - 2004098 11.2705 Martin Raab 2017
3311852 PRP97953 = 226007# / 2310 - 2305218 14.6838 Michiel Jansen, Jens Kruse Andersen 2012
3224748 PRP208101 = 479903 • 479909# / 13# - 2033842 6.72990 Michiel Jansen, Jens Kruse Andersen 2022
3190146 PRP124421 = 71 • 287117# / 46410 - 1867414 11.1353 Robert Smith 2018
3186150 PRP104715 = 1067 • 241727# / 46410 - 1433258 13.2143 Robert Smith 2018
3134136 PRP97392 = 30007411 • 224737# / 13# - 1388228 13.9759 Michiel Jansen, Jens Kruse Andersen 2021
3130254 PRP124422 = 967 • 287117# / 46410 - 1916282 10.9262 Robert Smith 2018
3101868 PRP104714 = 523 • 241727# / 46410 - 1839562 12.8648 Robert Smith 2018
3081120 PRP124422 = 389 • 287117# / 46410 - 1640854 10.7547 Robert Smith 2018
3006474 PRP124422 = 613 • 287117# / 46410 - 1686788 10.4941 Robert Smith 2018
2945060 PRP99750 = 230077# / 2227174919970 - 1072622 12.8223 Martin Raab 2016
2765878 PRP100006 = 230567# / 2310 - 939244 12.0114 Michiel Jansen, Pierre Cami, Jens Kruse Andersen 2013
2741794 PRP86642 = 19 • 199967# / 46410 - 1245102 13.7434 Robert Smith 2021
2724214 PRP100000 = 230563# / 2310 - 44352 11.8311 Michiel Jansen, Jens Kruse Andersen 2013
2675288 PRP97234 = 224423# / 103083710730 - 784202 11.9492 Martin Raab 2021
2590260 PRP208098 = 19 • 479909# / 4830 - 1199918 5.40580 Michiel Jansen 2022
2586246 PRP99750 = 230077# / 2226554139810 - 1616044 11.2601 Martin Raab 2016
2559528 PRP99750 = 230077# / 2228280684630 - 961364 11.1438 Martin Raab 2016
2493532 PRP99750 = 230077# / 2227349514390 - 1441218 10.8564 Martin Raab 2016
2435476 PRP99750 = 230077# / 2226961526790 - 994222 10.6037 Martin Raab 2016
2333684 PRP157488 = 363257 • 363269# / 19# - 1078110 6.43550 Michiel Jansen, Jens Kruse Andersen 2021
2332764 PRP39279 = 90823# / 17# - 1065962 25.7927 Martin Raab 2017
2259444 PRP129893 = 300017 • 300023# / 2310 - 1579022 7.55440 Michiel Jansen 2021
2254930 PRP86853 = 273489 • m + c - 93554 11.2755 Hans Rosenthal, Jens Kruse Andersen 31 May 2004
2218822 PRP135374 = 41 • 312583# / 46410 - 1634758 7.11820 Robert Smith 2018
2079500 PRP39284 = 90833# / 17# - 1177176 22.9895 Martin Raab 2017
2055816 PRP56962 = 6887 • (131591#) / 2730 - 1381994 15.6743 Pierre Cami 2010
2028240 PRP135376 = 953 • 312583# / 46410 - 1053466 6.50680 Robert Smith 2018
1975746 PRP124422 = 893 • 287117# / 46410 - 1160164 6.89640 Robert Smith 2018
1951372 PRP57742 = 59 • 133337# / 46410 - 715174 14.6769 Robert Smith 2021
1926858 PRP104715 = 2819 • 241727# / 46410 - 1043012 7.99150 Robert Smith 2018
1898630 PRP39243 = 90709# / 19# - 1271684 21.0119 Martin Raab 2020
1725564 PRP129891 = 300017 • 300023# / 17# - 1053358 5.76950 Michiel Jansen, Jens Kruse Andersen 2021
1669418 PRP129892 = 300017 • 300023# / 13# - 1423718 5.58170 Michiel Jansen, Jens Kruse Andersen 2021
1654170 PRP86642 = 41 • 199967# / 46410 - 1129708 8.29160 Robert Smith 2021
1575828 PRP45334 = 104729# / 2310 - 1282742 15.0964 Michiel Jansen 2012
1569660 PRP97384 = 224737# / 17# - 1054198 7.00010 Michiel Jansen 2012
1521800 PRP39443 = 91193# / 17# - 371324 16.7563 Martin Raab 2017
1471730 PRP39428 = 91159# / 17# - 804872 16.2111 Martin Raab 2017
1462522 PRP39448 = 91229# / 46056680670 - 853776 16.1016 Martin Raab 2015
1452592 PRP43291 = 451 • 99991# / 46410 - 1136946 14.5724 Robert Smith 2016
1442154 PRP39240 = 90703# / 17# - 582572 15.9616 Martin Raab 2020
1419558 PRP39364 = 91019# / 17# - 607058 15.6620 Martin Raab 2017
1417014 PRP39387 = 91099# / 19# - 762506 15.6246 Martin Raab 2017
1398354 PRP45336 = 887 • 104729# / 46410 - 1162948 13.3957 Robert Smith 2018
1390164 PRP39398 = 91127# / 17# - 572762 15.3242 Martin Raab 2017
1386416 PRP39309 = 90901# / 17# - 617466 15.3176 Martin Raab 2017
1363608 PRP39179 = 90547# / 19# - 366998 15.1157 Martin Raab 2020
1358012 PRP104715 = 2087 • 241727# / 46410 - 995132 5.63220 Robert Smith 2018
1325148 PRP23962 = 14761 • 55511# / 19# - 846290 24.0182 Seth Troisi 2020
1321710 PRP39282 = 90833# / 223092870 - 666794 14.6129 Martin Raab 2017
1311510 PRP33728 = 37 • 77977# / 19# - 172594 16.8877 Seth Troisi 2020
1293962 PRP39227 = 90679# / 223092870 - 873966 14.3260 Martin Raab 2020
1289448 PRP39411 = 91141# / 223092870 - 486524 14.2096 Martin Raab 2017
1289022 PRP39445 = 91199# / 223092870 - 589586 14.1924 Martin Raab 2017
1286500 PRP21608 = 1111111111111111111 • 49999# / (17# • 499) - 525318 25.8571 Hans Rosenthal 2016
1284234 PRP39372 = 91079# / 19# - 502828 14.1659 Martin Raab 2017
1260182 PRP21609 = 1111111111111111111 • 49999# / (13# • 4903) - 519438 25.3279 Hans Rosenthal 2017
1226120 PRP21537 = 49877# / 6992455470 - 378354 24.7250 Martin Raab 2021
1224222 PRP43293 = 8263 • 99991# / 46410 - 600164 12.2811 Robert Smith 2016
1222018 PRP21538 = 49877# / 514624110 - 520726 24.6410 Martin Raab 2022
1217460 PRP39448 = 91229# / 46093437390 - 495038 13.4036 Martin Raab 2015
1216548 PRP39453 = 91229# / 17# - 552182 13.3919 Martin Raab 2017
1212942 PRP39318 = 90911# / 19# - 578816 13.3981 Martin Raab 2017
1176666 PRP39443 = 91199# / 46473256830 - 629212 12.9561 Martin Raab 2016
1169526 PRP21537 = 49877# / 16469563110 - 656100 23.5842 Martin Raab 2021
1162884 PRP104715 = 6119 • 241727# / 46410 - 510266 4.82290 Robert Smith 2018
1158992 PRP39381 = 91097# / 223092870 - 868638 12.7816 Martin Raab 2017
1157178 PRP21537 = 49877# / 25300365090 - 656932 23.3353 Martin Raab 2021
1154358 PRP23963 = 160067 • 55511# / 19# - 481564 20.9217 Seth Troisi 2020
1151150 PRP21608 = 1111111111111111111 • 49999# / (17# • 3511) - 439532 23.1376 Hans Rosenthal 2017
1150108 PRP39369 = 91033# / 17# - 292500 12.6876 Martin Raab 2017
1148940 PRP23963 = 144827 • 55511# / 19# - 573304 20.8236 Seth Troisi 2020
1144316 PRP23962 = 65279 • 55511# / 19# - 548538 20.7401 Seth Troisi 2020
1141184 PRP23961 = 2851 • 55511# / 19# - 598118 20.6845 Seth Troisi 2020
1134502 PRP39376 = 91081# / 223092870 - 266616 12.5131 Martin Raab 2017
1127868 PRP23963 = 128111 • 55511# / 19# - 687910 20.4417 Seth Troisi 2020
1127550 PRP23963 = 106643 • 55511# / 19# - 719812 20.4360 Seth Troisi 2020
1124664 PRP23963 = 147737 • 55511# / 19# - 495694 20.3836 Seth Troisi 2020
1124428 PRP57742 = 23 • 133337# / 46410 - 268486 8.45730 Robert Smith 2021
1119110 PRP23962 = 76897 • 55511# / 19# - 525908 20.2831 Seth Troisi 2020
1117820 PRP43291 = 149 • 99991# / 46410 - 813426 11.2141 Robert Smith 2016
1113976 PRP21610 = 1111111111111111111 • 49999# / (11# • 1987) - 389212 22.3878 Hans Rosenthal 2017
1113106 P18662 = 587 • 43103# / 2310 - 455704 25.9045 Michiel Jansen, Pierre Cami, Jens Kruse Andersen 2013
1106498 PRP23962 = 38023 • 55511# / 19# - 340244 20.0548 Seth Troisi 2020
1095368 PRP43290 = 11 • 99991# / 46410 - 886674 10.9892 Robert Smith 2016
1094712 PRP21537 = 49877# / 13379956590 - 405714 22.0754 Martin Raab 2021
1085478 PRP21537 = 49877# / 8220742530 - 455746 21.8890 Martin Raab 2021
1084830 PRP21609 = 1111111111111111111 • 49999# / (13# • 4049) - 763076 21.8035 Hans Rosenthal 2017
1079736 PRP21537 = 49877# / 23325712410 - 710810 21.7736 Martin Raab 2021
1078180 PRP38007 = 50491 • (87811#) / 6 - 657714 12.3203 Pierre Cami 2006
1075456 PRP23960 = 853 • 55511# / 19# - 421086 19.4935 Seth Troisi 2020
1075312 PRP39448 = 91199# / 17# - 326398 11.8386 Martin Raab 2017
1074410 PRP23962 = 20803 • 55511# / 19# - 554276 19.4735 Seth Troisi 2020
1072440 PRP57744 = 9983 • 133337# / 46410 - 586294 8.06590 Robert Smith 2021
1069640 PRP21609 = 1111111111111111111 • 49999# / (13# • 1709) - 479714 21.4978 Hans Rosenthal 2017
1065252 PRP23963 = 102023 • 55511# / 19# - 510046 19.3069 Seth Troisi 2020
1059838 PRP39438 = 91183# / 17# - 749374 11.6712 Martin Raab 2017
1054830 PRP39259 = 90787# / 17# - 630698 11.6689 Martin Raab 2020
1051708 PRP21537 = 49877# / 10168848690 - 477244 21.2081 Martin Raab 2021
1049696 PRP21537 = 49877# / 8067589530 - 660378 21.1674 Martin Raab 2021
1047168 PRP23961 = 4531 • 55511# / 19# - 367838 18.9802 Seth Troisi 2020
1045498 PRP21609 = 1111111111111111111 • 49999# / (13# • 4751) - 863196 21.0130 Hans Rosenthal 2017
1044888 PRP21537 = 49877# / 8983444470 - 496198 21.0705 Martin Raab 2021
1044858 PRP21538 = 49877# / 916425510 - 380806 21.0689 Martin Raab 2022
1042350 PRP21537 = 49877# / 23906672790 - 522616 21.0197 Martin Raab 2021
1041486 PRP21539 = 49877# / 402371970 - 504610 21.0006 Martin Raab 2021
1040700 PRP23963 = 135329 • 55511# / 19# - 282322 18.8618 Seth Troisi 2020
1039586 PRP21537 = 49877# / 9369390030 - 382422 20.9636 Martin Raab 2021
1038924 PRP21538 = 49877# / 611020410 - 682204 20.9491 Martin Raab 2022
1034460 PRP21538 = 49877# / 652762110 - 292148 20.8591 Martin Raab 2022
1029000 PRP39235 = 90697# / 17# - 336914 11.3903 Martin Raab 2020
1028856 PRP39254 = 90749# / 17# - 694658 11.3830 Martin Raab 2020
1028430 PRP21538 = 49877# / 826635810 - 555158 20.7376 Martin Raab 2022
1028424 PRP21539 = 49877# / 440930490 - 427246 20.7372 Martin Raab 2021
1028356 PRP21539 = 49877# / 427897470 - 476958 20.7359 Martin Raab 2021
1021212 PRP23962 = 33739 • 55511# / 19# - 623058 18.5091 Seth Troisi 2020
1018282 PRP39253 = 90749# / 19# - 576318 11.2663 Martin Raab 2020
1011906 PRP21538 = 49877# / 717326610 - 471214 20.4044 Martin Raab 2022
1009968 PRP23963 = 164057 • 55511# / 19# - 613276 18.3048 Seth Troisi 2020
1006740 PRP21538 = 49877# / 913842930 - 382686 20.3003 Martin Raab 2022
1005528 PRP23963 = 148957 • 55511# / 19# - 699284 18.2243 Seth Troisi 2020
1005474 PRP21538 = 49877# / 594383790 - 322646 20.2746 Martin Raab 2022
1004972 PRP21611 = 1111111111111111111 • 49999# / (13# • 41) - 682886 20.1966 Hans Rosenthal 2017
1004840 PRP21608 = 1111111111111111111 • 49999# / (17# • 3119) - 793542 20.1968 Hans Rosenthal 2017
1002890 PRP21610 = 1111111111111111111 • 49999# / (11# • 4649) - 407228 20.1556 Hans Rosenthal 2017
1002750 PRP21537 = 49877# / 22641629010 - 401428 20.2211 Martin Raab 2021
1002016 PRP21537 = 49877# / 6147050910 - 468634 20.2058 Martin Raab 2021
1001952 PRP17278 = 1204909 • 40009# / 13# - 481326 25.1848 Seth Troisi 2020
1001548 PRP43429 = 279893 • 100343# - 81498 + c 10.0157 Hans Rosenthal, Jens Kruse Andersen
[First known prime megagap]		 12 Jan 2004
1000984 PRP23962 = 84179 • 55511# / 19# - 330346 18.1422 Seth Troisi 2020