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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exp. Prime Factor Digits Year
1240769173707678 ~1981
124085924817197 ~1979
124093124818637 ~1979
1240931397097938
1240957297829698 ~1981
124097924819597 ~1979
1241087620543518 ~1982
1241203124120318 ~1980
1241243297898338 ~1981
1241263496505218 ~1982
124129124825837 ~1979
124134174480477 ~1980
124135124827037 ~1979
124141374484797 ~1980
12414371092464579 ~1983
124148324829677 ~1979
1241491223468398 ~1981
124177124835437 ~1979
12418271986923219 ~1983
124192799354177 ~1980
124212174527277 ~1980
1242251223605198 ~1981
12425033603258719 ~1984
124280324856077 ~1979
1242811223705998 ~1981
Exp. Prime Factor Digits Year
124282799426177 ~1980
12428931068887999 ~1983
12428938451672419
124321124864237 ~1979
1243211397827538
1243309298394178 ~1981
124343999475137 ~1980
1243477198956338 ~1981
1243481373044318 ~1981
124352324870477 ~1979
1243523696372898
1243537198965938 ~1981
1243663198986098 ~1981
124369124873837 ~1979
1243717373115118 ~1981
124381124876237 ~1979
124381199504897
1243841373152318 ~1981
124385999508737 ~1980
12440273806722639 ~1984
1244053671788638 ~1982
124414199531297 ~1980
124427924885597 ~1979
1244359124435918 ~1980
124436324887277 ~1979
Exp. Prime Factor Digits Year
1244479152324229710 ~1985
1244521273794638 ~1981
1244531224015598 ~1981
1244531522703038
124459124891837 ~1979
12447294256973199 ~1984
124477774686637 ~1980
1244777597492978
124481924896397 ~1979
124482174689277 ~1980
124483374689997 ~1980
124487924897597 ~1979
1244911497964418 ~1982
12449871120488319 ~1983
1244989597594738 ~1982
1244993298798338 ~1981
124500174700077 ~1980
1245067124506718 ~1980
124513774708237 ~1980
1245353398512978 ~1982
12455091370059919 ~1983
124570199656097 ~1980
1245763523220478 ~1982
1245817199330738 ~1981
1245833398666578 ~1982
Exp. Prime Factor Digits Year
1245971224274798 ~1981
1246241398797138 ~1982
1246243498497218 ~1982
1246339598242738 ~1982
124637999710337 ~1980
1246379623189518
124653774792237 ~1980
124658999727137 ~1980
1246697174537598 ~1981
1246711199473778 ~1981
12467811072231679 ~1983
1246823299237538 ~1981
1246997299279298 ~1981
1247053498821218 ~1982
12472093791515379 ~1984
124723124944637 ~1979
1247291324295678 ~1981
124730324946077 ~1979
124742999794337 ~1980
12474531072809599 ~1983
1247557573876238 ~1982
124762199809697 ~1980
1247621474095998
124764174858477 ~1980
1247833299479938 ~1981
286
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25-10-26