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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
24421679488433598 ~1989
244216813907468979 ~1991
244220592442205919 ~1990
24422171488443438 ~1989
24422483488449678 ~1989
24422603488452078 ~1989
24423131488462638 ~1989
24423599488471998 ~1989
24423779488475598 ~1989
244243191953945539 ~1990
24424331488486638 ~1989
244246371465478239 ~1990
244251971465511839 ~1990
24425339488506798 ~1989
24425399488507998 ~1989
24425519488510398 ~1989
24425543488510878 ~1989
24426431488528638 ~1989
24426683488533678 ~1989
244271575862517699 ~1991
24427523488550478 ~1989
24427619488552398 ~1989
244276611465659679 ~1990
24427811488556238 ~1989
24427883488557678 ~1989
Exponent Prime Factor Digits Year
24428051488561038 ~1989
244281471954251779 ~1990
24428291488565838 ~1989
24428363488567278 ~1989
24428531488570638 ~1989
244290371465742239 ~1990
24429551488591038 ~1989
244300971465805839 ~1990
244301931465811599 ~1990
24430331488606638 ~1989
24430943488618878 ~1989
24431111488622238 ~1989
24431279488625598 ~1989
244313331465879999 ~1990
24431411488628238 ~1989
24431831488636638 ~1989
244321975863727299 ~1991
24432671488653438 ~1989
24432827117277569710 ~1992
244337114398067999 ~1991
24434519488690398 ~1989
24435143488702878 ~1989
24435863488717278 ~1989
24435899488717998 ~1989
24436031488720638 ~1989
Exponent Prime Factor Digits Year
24436619488732398 ~1989
244367991954943939 ~1990
24436931488738638 ~1989
244369571466217439 ~1990
24437243488744878 ~1989
24437411488748238 ~1989
244375573910009139 ~1991
244377111955016899 ~1990
244377131466262799 ~1990
24438191488763838 ~1989
24438203488764078 ~1989
24438371488767438 ~1989
24438559117305083310 ~1992
244387676354079439 ~1991
24438779488775598 ~1989
24438971488779438 ~1989
24439379488787598 ~1989
244404771466428639 ~1990
24440519488810398 ~1989
244405872444058719 ~1990
24440701347057954310 ~1993
24440723488814478 ~1989
244411191955289539 ~1990
24441611488832238 ~1989
244421931466531599 ~1990
Exponent Prime Factor Digits Year
24442259488845198 ~1989
24442811488856238 ~1989
24443459488869198 ~1989
24443579488871598 ~1989
24443999488879998 ~1989
24444443488888878 ~1989
24445559488911198 ~1989
24446531488930638 ~1989
24446699488933998 ~1989
244478474400612479 ~1991
24448019488960398 ~1989
24448163488963278 ~1989
24448691488973838 ~1989
244488131466928799 ~1990
244491897334756719 ~1992
24449303488986078 ~1989
24449651488993038 ~1989
24449783488995678 ~1989
244501371467008239 ~1990
24450659489013198 ~1989
244512411956099299 ~1990
24451631489032638 ~1989
24451811489036238 ~1989
24451919489038398 ~1989
24452003489040078 ~1989
1563
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25-05-04