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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
32186663643733278 ~1990
321871011931226079 ~1991
32187371643747438 ~1990
32187923643758478 ~1990
32188031643760638 ~1990
32188283643765678 ~1990
32188319643766398 ~1990
32188379643767598 ~1990
32188979643779598 ~1990
32189471643789438 ~1990
32189711643794238 ~1990
32190659643813198 ~1990
32190839643816798 ~1990
32191343643826878 ~1990
32191583643831678 ~1990
321919972575359779 ~1991
32192159643843198 ~1990
32192351643847038 ~1990
32193383643867678 ~1990
321941872575534979 ~1991
32194439643888798 ~1990
32194511643890238 ~1990
321950771931704639 ~1991
32195099643901998 ~1990
32195231643904638 ~1990
Exponent Prime Factor Digits Year
321952571931715439 ~1991
32195879643917598 ~1990
321970912575767299 ~1991
32197283643945678 ~1990
32197331643946638 ~1990
321975899659276719 ~1992
32197811643956238 ~1990
32197943643958878 ~1990
32198291643965838 ~1990
32198363643967278 ~1990
32198879643977598 ~1990
32199239643984798 ~1990
32199743643994878 ~1990
32199983643999678 ~1990
32200043644000878 ~1990
322001531932009199 ~1991
32200331644006638 ~1990
322006811932040879 ~1991
32200691644013838 ~1990
32200739644014798 ~1990
32200919644018398 ~1990
32201003644020078 ~1990
32201159644023198 ~1990
32201243644024878 ~1990
322020073220200719 ~1991
Exponent Prime Factor Digits Year
32202239644044798 ~1990
32203343644066878 ~1990
322047892576383139 ~1991
322048331932289999 ~1991
32205923644118478 ~1990
32206019644120398 ~1990
32206319644126398 ~1990
32206571644131438 ~1990
32206931644138638 ~1990
32207459644149198 ~1990
32207531644150638 ~1990
32207663644153278 ~1990
32207711644154238 ~1990
32207891644157838 ~1990
32208359644167198 ~1990
32208623644172478 ~1990
32210303644206078 ~1990
322103713221037119 ~1991
32210471644209438 ~1990
32210663644213278 ~1990
32210939644218798 ~1990
32211563644231278 ~1990
322120011932720079 ~1991
32212151644243038 ~1990
32212669560500440710 ~1994
Exponent Prime Factor Digits Year
32212871644257438 ~1990
32212919644258398 ~1990
32213107599163790310 ~1994
322132675798388079 ~1992
322133931932803599 ~1991
322136531932819199 ~1991
32213981869777487110 ~1995
32213999644279998 ~1990
32214263644285278 ~1990
32214419644288398 ~1990
32214551644291038 ~1990
322146472577171779 ~1991
32215031644300638 ~1990
32215103644302078 ~1990
32215223644304478 ~1990
32215343644306878 ~1990
32217611644352238 ~1990
32217791644355838 ~1990
32218079644361598 ~1990
32218163644363278 ~1990
32219039644380798 ~1990
322191412577531299 ~1991
32219171644383438 ~1990
32219543644390878 ~1990
322196572577572579 ~1991
1802
GIMPS The Prime Pages FactorDb.com
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25-06-08