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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
18284351365687038 ~1988
182846572559851999 ~1990
18284879365697598 ~1988
182850618776829299 ~1991
18285203365704078 ~1988
182852711828527119 ~1989
18285271164567439110
18285791365715838 ~1988
18286043365720878 ~1988
18286091365721838 ~1988
18286183131660517710 ~1992
182873171097239039 ~1989
18287543365750878 ~1988
182878375486351119 ~1991
18288071365761438 ~1988
18288191365763838 ~1988
18288359365767198 ~1988
182885531097313199 ~1989
18289391365787838 ~1988
18289619365792398 ~1988
182897511463180099 ~1989
18289871365797438 ~1988
18290183365803678 ~1988
182905391829053919 ~1989
18291263365825278 ~1988
Exponent Prime Factor Digits Year
18291419365828398 ~1988
182914878779913779 ~1991
182915712926651379 ~1990
18292091365841838 ~1988
182922771463382179 ~1989
182923031829230319 ~1989
182923211097539279 ~1989
18292523365850478 ~1988
182926274390230499 ~1990
18293183365863678 ~1988
18293459365869198 ~1988
18293699365873998 ~1988
18293783365875678 ~1988
18294239365884798 ~1988
18294299365885998 ~1988
18294863365897278 ~1988
182950371097702239 ~1989
18295379365907598 ~1988
18295523365910478 ~1988
18295559365911198 ~1988
18295583365911678 ~1988
18295691365913838 ~1988
18296171365923438 ~1988
18296483365929678 ~1988
18297179365943598 ~1988
Exponent Prime Factor Digits Year
18297263365945278 ~1988
18297371365947438 ~1988
18297659365953198 ~1988
18297791365955838 ~1988
182978411097870479 ~1989
182984171097905039 ~1989
182984331097905999 ~1989
182984471829844719 ~1989
182998331097989999 ~1989
18299903365998078 ~1988
18300599366011998 ~1988
183007671464061379 ~1989
18300851366017038 ~1988
18301331366026638 ~1988
18301691366033838 ~1988
183017111830171119 ~1989
18301763366035278 ~1988
18301931366038638 ~1988
18302101161058488910 ~1992
183025611464204899 ~1989
18303359366067198 ~1988
18303731366074638 ~1988
183037731098226399 ~1989
183038411098230479 ~1989
18304211366084238 ~1988
Exponent Prime Factor Digits Year
18304259366085198 ~1988
18304739366094798 ~1988
18305279366105598 ~1988
183055371464442979 ~1989
18305783366115678 ~1988
18306311366126238 ~1988
183063912929022579 ~1990
18306719366134398 ~1988
18306779366135598 ~1988
18306803366136078 ~1988
183070491464563939 ~1989
18307799366155998 ~1988
18307823366156478 ~1988
18307979366159598 ~1988
18308291366165838 ~1988
18308639366172798 ~1988
18308963366179278 ~1988
18309143366182878 ~1988
18309491366189838 ~1988
18309563366191278 ~1988
18309899366197998 ~1988
18309911366198238 ~1988
18310703366214078 ~1988
18310823366216478 ~1988
183109331098655999 ~1989
1368
GIMPS The Prime Pages FactorDb.com
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25-06-08