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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
26589611531792238 ~1989
26590163531803278 ~1989
26590379531807598 ~1989
26590523531810478 ~1989
26590799531815998 ~1989
26591423531828478 ~1989
26591711531834238 ~1989
26591891531837838 ~1989
26592491531849838 ~1989
26592563531851278 ~1989
265929312659293119 ~1991
26593223531864478 ~1989
265933512659335119 ~1991
26593631531872638 ~1989
26593943531878878 ~1989
265940392127523139 ~1990
26595143531902878 ~1989
265953971595723839 ~1990
265960931595765599 ~1990
26596259531925198 ~1989
26596499531929998 ~1989
265965893723522479 ~1991
26597003531940078 ~1989
26597531531950638 ~1989
265975697979270719 ~1992
Exponent Prime Factor Digits Year
26598059531961198 ~1989
26598083531961678 ~1989
26598563531971278 ~1989
265986971595921839 ~1990
26598839531976798 ~1989
26599403531988078 ~1989
26600159532003198 ~1989
26600219532004398 ~1989
266003771596022639 ~1990
26601023532020478 ~1989
26601791532035838 ~1989
26601803532036078 ~1989
266019292128154339 ~1990
26602391532047838 ~1989
26603051532061038 ~1989
26603639532072798 ~1989
26604299532085998 ~1989
26604563532091278 ~1989
26604863532097278 ~1989
26605079532101598 ~1989
266052531596315199 ~1990
266056131596336799 ~1990
26605763532115278 ~1989
266058371596350239 ~1990
26606243532124878 ~1989
Exponent Prime Factor Digits Year
266067196385612579 ~1992
266067592128540739 ~1990
26606771532135438 ~1989
26606999532139998 ~1989
26607323532146478 ~1989
26607599532151998 ~1989
26607671532153438 ~1989
26607719532154398 ~1989
266082432660824319 ~1991
26608511532170238 ~1989
26608931532178638 ~1989
26609039532180798 ~1989
26609903532198078 ~1989
26609939532198798 ~1989
266110373725545199 ~1991
26611499532229998 ~1989
26611691532233838 ~1989
26612279532245598 ~1989
266122792128982339
26612303532246078 ~1989
266124892128999139 ~1990
26612543532250878 ~1989
26612639532252798 ~1989
26613011532260238 ~1989
26613131532262638 ~1989
Exponent Prime Factor Digits Year
266137095855015999 ~1992
266137872661378719 ~1991
26614499532289998 ~1989
26615579532311598 ~1989
26616059532321198 ~1989
26616263532325278 ~1989
266164272661642719 ~1991
26616599532331998 ~1989
266178472129427779 ~1990
26618519532370398 ~1989
266189411597136479 ~1990
26618951532379038 ~1989
26619023532380478 ~1989
26619431532388638 ~1989
26620043532400878 ~1989
266200492129603939 ~1990
26620199532403998 ~1989
266204211597225279 ~1990
26620571532411438 ~1989
26621363532427278 ~1989
26621519532430398 ~1989
266216272129730179 ~1990
26621899367382206310 ~1993
26622083532441678 ~1989
266222176389332099 ~1992
1694
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25-12-14