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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.
Exponent Prime Factor Digits Year
250851411505108479 ~1990
25085171501703438 ~1989
25085279501705598 ~1989
25085831501716638 ~1989
250859872006878979 ~1990
25086059501721198 ~1989
250863371505180239 ~1990
25086443501728878 ~1989
250867571505205439 ~1990
25086839105364723910 ~1992
25086863501737278 ~1989
25086983501739678 ~1989
25087151501743038 ~1989
25087823501756478 ~1989
25087883501757678 ~1989
25088279501765598 ~1989
250882931505297599 ~1990
25088717200709736110 ~1993
25088831501776638 ~1989
25088891501777838 ~1989
250894731505368399 ~1990
250895832508958319 ~1990
25090883501817678 ~1989
25091411501828238 ~1989
25091879501837598 ~1989
Exponent Prime Factor Digits Year
250920292007362339 ~1990
250920771505524639 ~1990
250921011505526079 ~1990
25092191501843838 ~1989
250922571942140691911 ~1995
25092719501854398 ~1989
25092803501856078 ~1989
25093559501871198 ~1989
25094243501884878 ~1989
250943931505663599 ~1990
25094683105397668710 ~1992
25094999501899998 ~1989
25095503501910078 ~1989
25095683501913678 ~1989
25095803501916078 ~1989
25095839501916798 ~1989
25096163501923278 ~1989
25096523501930478 ~1989
250966012007728099 ~1990
25096679501933598 ~1989
25097003501940078 ~1989
25097543501950878 ~1989
250975438031213779
250975872509758719 ~1990
250978371505870239 ~1990
Exponent Prime Factor Digits Year
25098323501966478 ~1989
25098371501967438 ~1989
250984817529544319 ~1992
25098719501974398 ~1989
250991472509914719 ~1990
250992192509921919 ~1990
25099253140555816910 ~1992
25099271501985438 ~1989
25099331501986638 ~1989
25099499501989998 ~1989
25099619501992398 ~1989
25099631501992638 ~1989
25099777100399108110 ~1992
250998611505991679 ~1990
25100639502012798 ~1989
251013017530390319 ~1992
25101371502027438 ~1989
25102403502048078 ~1989
25102739502054798 ~1989
25103219502064398 ~1989
25103411502068238 ~1989
251045896025101379 ~1991
25104743502094878 ~1989
251054333514760639 ~1991
251057771506346639 ~1990
Exponent Prime Factor Digits Year
25106051502121038 ~1989
251067292008538339 ~1990
25106891502137838 ~1989
25107311502146238 ~1989
251073731506442399 ~1990
25107851502157038 ~1989
25108211502164238 ~1989
25108679502173598 ~1989
251088718034838739 ~1992
25108943502178878 ~1989
25109159502183198 ~1989
25109351502187038 ~1989
251094192510941919 ~1990
251094772008758179 ~1990
25109543502190878 ~1989
25109723502194478 ~1989
251104136026499139 ~1991
25110671502213438 ~1989
25110719502214398 ~1989
25110971502219438 ~1989
25111139502222798 ~1989
25111211502224238 ~1989
25111571502231438 ~1989
25112063502241278 ~1989
25112099502241998 ~1989
1577
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25-04-13