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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
47152571943051438 ~1991
47154791235773955110 ~1994
47155403943108078 ~1991
47157043188628172110 ~1994
47157839943156798 ~1991
471585834678131433711 ~1998
471588896602244479 ~1993
471590696602269679 ~1993
47159531943190638 ~1991
47159639943192798 ~1991
471596812829580879 ~1992
471607274716072719 ~1993
47163359943267198 ~1991
47163509377308072110 ~1995
471641332829847999 ~1992
471646394716463919 ~1993
47166503943330078 ~1991
47168783943375678 ~1991
471704398490679039 ~1993
47170859943417198 ~1991
471710213773681699 ~1992
47171231943424638 ~1991
471738372830430239 ~1992
47175911943518238 ~1991
471770273774162179 ~1992
Exponent Prime Factor Digits Year
47177951943559038 ~1991
47178011943560238 ~1991
47181131943622638 ~1991
47181203943624078 ~1991
47181551943631038 ~1991
47181779943635598 ~1991
47184311943686238 ~1991
471844612831067679 ~1992
47184779943695598 ~1991
471851237549619699 ~1993
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
Exponent Prime Factor Digits Year
47202443944048878 ~1991
472047412832284479 ~1992
47205023944100478 ~1991
47206163944123278 ~1991
472066732832400399 ~1992
472083612832501679 ~1992
47209763944195278 ~1991
472100772832604639 ~1992
47211539944230798 ~1991
47211973113308735310 ~1994
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
Exponent Prime Factor Digits Year
472236972833421839 ~1992
47223971944479438 ~1991
47224979944499598 ~1991
472254612833527679 ~1992
47226131944522638 ~1991
47226611944532238 ~1991
47226719944534398 ~1991
472268412833610479 ~1992
47226863944537278 ~1991
47227991944559838 ~1991
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
2001
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25-04-13