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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.
Exp. Prime Factor Digits Year
5677853340671198 ~1985
5677873908459698 ~1986
5677957908473138 ~1986
5678069454245538 ~1985
5678129794938078 ~1986
56782695791834399 ~1988
5678339113566798 ~1984
5678347567834718 ~1985
5678423113568478 ~1984
5678483113569678 ~1984
5678531113570638 ~1984
5678593340715598 ~1985
5678627454290178 ~1985
5678641340718478 ~1985
5678773340726398 ~1985
5678831113576638 ~1984
5678903113578078 ~1984
56789411249367039 ~1986
56789931703697919 ~1987
5679143113582878 ~1984
5679251454340098 ~1985
5679431454354498 ~1985
5679677340780638 ~1985
5680001454400098 ~1985
56800079542411779 ~1988
Exp. Prime Factor Digits Year
5680067454405378 ~1985
5680079113601598 ~1984
5680151113603038 ~1984
5680403113608078 ~1984
5680799113615998 ~1984
56808231477013999 ~1986
5680891568089118 ~1985
5681141340868478 ~1985
5681177340870638 ~1985
5681191908990578 ~1986
5681201454496098 ~1985
5681231454498498 ~1985
5681413340884798 ~1985
5681699454535938 ~1985
5681707142042675110 ~1989
56817373068137999 ~1987
5681899568189918 ~1985
5681939113638798 ~1984
56819391022749039
5682041454563298 ~1985
5682401340944078 ~1985
5682503113650078 ~1984
5682701454616098 ~1985
5682779113655598 ~1984
5682841340970478 ~1985
Exp. Prime Factor Digits Year
5682899113657998 ~1984
5683037340982238 ~1985
5683081340984878 ~1985
5683283113665678 ~1984
5683319113666398 ~1984
5683343113666878 ~1984
5683421454673698 ~1985
5683471568347118 ~1985
5683841454707298 ~1985
56839491364147779 ~1986
5683961341037678 ~1985
56840711023132799 ~1986
5684083568408318 ~1985
5684099113681998 ~1984
5684183113683678 ~1984
5684257341055438 ~1985
5684411113688238 ~1984
5684533909525298 ~1986
5684641341078478 ~1985
5684669454773538 ~1985
5684699113693998 ~1984
56849271023286879 ~1986
5685241909638578 ~1986
5685371113707438 ~1984
5685677454854178 ~1985
Exp. Prime Factor Digits Year
5685739568573918 ~1985
5685863113717278 ~1984
56859611250911439 ~1986
5686181341170878 ~1985
5686403113728078 ~1984
5686591909854578 ~1986
5686601454928098 ~1985
5686691454935298 ~1985
56867771706033119 ~1987
56869319212828239 ~1988
5687053909928498 ~1986
5687179568717918 ~1985
56871911023694399 ~1986
5687239568723918 ~1985
5687261341235678 ~1985
5687471113749438 ~1984
5687501455000098 ~1985
5687687455014978 ~1985
5687791568779118 ~1985
56879992388959599 ~1987
5688037341282238 ~1985
5688071113761438 ~1984
56883292161565039 ~1987
5688359113767198 ~1984
5688503113770078 ~1984
767
GIMPS The Prime Pages FactorDb.com
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26-05-03