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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
471864173774913379 ~1992
47186963943739278 ~1991
471880136606321839 ~1993
47190443943808878 ~1991
47192063943841278 ~1991
471932693775461539 ~1992
47193719943874398 ~1991
47194139943882798 ~1991
47194151943883038 ~1991
471941873775534979 ~1992
47195579943911598 ~1991
471963674719636719 ~1993
47200463944009278 ~1991
47200859944017198 ~1991
47201389113283333710 ~1994
47202443944048878 ~1991
472047412832284479 ~1992
47205023944100478 ~1991
47206163944123278 ~1991
472066732832400399 ~1992
472083612832501679 ~1992
47209763944195278 ~1991
472100772832604639 ~1992
47211539944230798 ~1991
47211973113308735310 ~1994
Exponent Prime Factor Digits Year
472135673777085379 ~1992
47214371944287438 ~1991
472155074721550719 ~1993
472155412832932479 ~1992
47218321103880306310 ~1993
47218631944372638 ~1991
47218883944377678 ~1991
472197732833186399 ~1992
472199332833195999 ~1992
47220599944411998 ~1991
472206612833239679 ~1992
472227132833362799 ~1992
47223083944461678 ~1991
47223479944469598 ~1991
47223551944471038 ~1991
472236972833421839 ~1992
47223971944479438 ~1991
47224979944499598 ~1991
472254612833527679 ~1992
47226131944522638 ~1991
47226611944532238 ~1991
47226719944534398 ~1991
472268412833610479 ~1992
47226863944537278 ~1991
47227991944559838 ~1991
Exponent Prime Factor Digits Year
472295693778365539 ~1992
472299972833799839 ~1992
47231039944620798 ~1991
472311377556981939 ~1993
47231963944639278 ~1991
472322474723224719 ~1993
47232431944648638 ~1991
47232539944650798 ~1991
47233139944662798 ~1991
472337772834026639 ~1992
47234039944680798 ~1991
47235131944702638 ~1991
472368078502625279 ~1993
47236979944739598 ~1991
47236991944739838 ~1991
472380972834285839 ~1992
472386412834318479 ~1992
472392372834354239 ~1992
47239859944797198 ~1991
47241539944830798 ~1991
47242199944843998 ~1991
47242259944845198 ~1991
47242271944845438 ~1991
47242523944850478 ~1991
47242631944852638 ~1991
Exponent Prime Factor Digits Year
472429572834577439 ~1992
47244959944899198 ~1991
47245823944916478 ~1991
47247719944954398 ~1991
47247971944959438 ~1991
472488413779907299 ~1992
47248919944978398 ~1991
47248987274044124710 ~1995
47249063944981278 ~1991
47251931945038638 ~1991
472525932835155599 ~1992
47255459945109198 ~1991
472557372835344239 ~1992
47255951945119038 ~1991
47257319945146398 ~1991
47258891945177838 ~1991
47260919945218398 ~1991
472614437561830899 ~1993
47262211311930592710 ~1995
47263691945273838 ~1991
472644173781153379 ~1992
472648572835891439 ~1992
472650132835900799 ~1992
47266799945335998 ~1991
47270291945405838 ~1991
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25-05-04