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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
25064939501298798 ~1989
25065563501311278 ~1989
25065611501312238 ~1989
250657792005262339 ~1990
25065851501317038 ~1989
25066031501320638 ~1989
25066319501326398 ~1989
25066523501330478 ~1989
25067459501349198 ~1989
250677611504065679 ~1990
25067879501357598 ~1989
25067891501357838 ~1989
250678914512220399
25068299501365998 ~1989
250683495515036799 ~1991
25068479501369598 ~1989
25068623501372478 ~1989
25068839501376798 ~1989
25069463501389278 ~1989
25069799501395998 ~1989
25070099501401998 ~1989
25070711501414238 ~1989
250707771504246639 ~1990
250708794512758239 ~1991
25071071501421438 ~1989
Exponent Prime Factor Digits Year
25071503501430078 ~1989
25071779501435598 ~1989
25071911501438238 ~1989
250719731504318399 ~1990
25071983501439678 ~1989
25072451501449038 ~1989
250727774011644339 ~1991
250728436017482339 ~1991
25073459501469198 ~1989
25073831501476638 ~1989
250743731504462399 ~1990
250744371504466239 ~1990
25074503501490078 ~1989
25075499501509998 ~1989
25075859501517198 ~1989
25075871501517438 ~1989
25076231501524638 ~1989
25076423501528478 ~1989
250765914513786399 ~1991
25076629581777792910 ~1994
25076651501533038 ~1989
25076939501538798 ~1989
25077599501551998 ~1989
25077623501552478 ~1989
25077683501553678 ~1989
Exponent Prime Factor Digits Year
250780072006240579 ~1990
250790512006324099 ~1990
25079111501582238 ~1989
250793474012695539 ~1991
250796171504777039 ~1990
25079687125398435110 ~1992
25079711501594238 ~1989
25080059501601198 ~1989
250800792508007919 ~1990
25080299501605998 ~1989
25080383501607678 ~1989
25081019501620398 ~1989
25081151501623038 ~1989
25082003501640078 ~1989
250820512006564099 ~1990
25082171501643438 ~1989
25082243501644878 ~1989
250823812006590499 ~1990
25082423501648478 ~1989
250824838026394579 ~1992
25083119501662398 ~1989
250839792508397919 ~1990
250850171505101039 ~1990
250851411505108479 ~1990
25085171501703438 ~1989
Exponent Prime Factor Digits Year
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
250920292007362339 ~1990
250920771505524639 ~1990
1601
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25-07-08