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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
25047611500952238 ~1989
25048319500966398 ~1989
250484811502908879 ~1990
25049411500988238 ~1989
25049963500999278 ~1989
25050071501001438 ~1989
25050143501002878 ~1989
250503312505033119 ~1990
25050491501009838 ~1989
25050803501016078 ~1989
25051919501038398 ~1989
25052831501056638 ~1989
25052987125264935110 ~1992
250532411503194479 ~1990
250533131503198799 ~1990
25053863501077278 ~1989
25054019501080398 ~1989
25054163501083278 ~1989
250542292004338339 ~1990
25054343501086878 ~1989
25054979501099598 ~1989
25055557135300007910 ~1992
25055759501115198 ~1989
25055819501116398 ~1989
25056491501129838 ~1989
Exponent Prime Factor Digits Year
250566714510200799 ~1991
25058123501162478 ~1989
25058171501163438 ~1989
250582272505822719 ~1990
250584171503505039 ~1990
25058471501169438 ~1989
25058483501169678 ~1989
25059143501182878 ~1989
25059371501187438 ~1989
250597011503582079 ~1990
25060319501206398 ~1989
25060391501207838 ~1989
250606612004852899 ~1990
25060859501217198 ~1989
25060991501219838 ~1989
250626192506261919 ~1990
25062659501253198 ~1989
25063799501275998 ~1989
25063823501276478 ~1989
25063919501278398 ~1989
25064471501289438 ~1989
25064639501292798 ~1989
25064939501298798 ~1989
25065563501311278 ~1989
25065611501312238 ~1989
Exponent Prime Factor Digits Year
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
25071503501430078 ~1989
25071779501435598 ~1989
25071911501438238 ~1989
Exponent Prime Factor Digits Year
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
250780072006240579 ~1990
250790512006324099 ~1990
25079111501582238 ~1989
1582
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25-05-04