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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
220904592209045919 ~1990
22090643441812878 ~1988
22091159441823198 ~1988
22091291441825838 ~1988
22091519441830398 ~1988
22091999441839998 ~1988
22092023441840478 ~1988
220943112209431119 ~1990
22095239441904798 ~1988
22095959441919198 ~1988
22096043441920878 ~1988
22096331441926638 ~1988
220965411325792479 ~1990
22096559441931198 ~1988
220965591767724739
22096619441932398 ~1988
22096631441932638 ~1988
220972131325832799 ~1990
22097459441949198 ~1988
22097591441951838 ~1988
220976091767808739 ~1990
220976931325861599 ~1990
22097711441954238 ~1988
22097879441957598 ~1988
22098383441967678 ~1988
Exponent Prime Factor Digits Year
220987331325923999 ~1990
22099271441985438 ~1988
22099739441994798 ~1988
22100339442006798 ~1988
22100651442013038 ~1988
22101143442022878 ~1988
22101239442024798 ~1988
22102211442044238 ~1988
22102331442046638 ~1988
221024176630725119 ~1991
221026731326160399 ~1990
22103219442064398 ~1988
22103303442066078 ~1988
221034011326204079 ~1990
221036395304873379 ~1991
22103831442076638 ~1988
221050639284126479 ~1992
22105283442105678 ~1988
22105351194527088910 ~1992
221055371326332239 ~1990
221059971326359839 ~1990
22106099442121998 ~1988
221062334863371279 ~1991
22106411442128238 ~1988
221065731326394399 ~1990
Exponent Prime Factor Digits Year
221067131326402799 ~1990
22106939442138798 ~1988
22107311442146238 ~1988
22107443442148878 ~1988
221077513537240179 ~1991
22107791442155838 ~1988
221082533095155439 ~1990
221084331326505999 ~1990
22108631442172638 ~1988
22108811442176238 ~1988
221099531326597199 ~1990
22109963442199278 ~1988
22110059442201198 ~1988
22110239442204798 ~1988
22110563442211278 ~1988
22111811442236238 ~1988
22112003442240078 ~1988
221122211326733279 ~1990
221128075749329839 ~1991
22113191442263838 ~1988
22114019442280398 ~1988
22114139442282798 ~1988
22114199442283998 ~1988
22114343442286878 ~1988
22114751442295038 ~1988
Exponent Prime Factor Digits Year
22115279442305598 ~1988
22115531442310638 ~1988
22115711442314238 ~1988
22115771442315438 ~1988
22116203442324078 ~1988
22116239442324798 ~1988
22116431442328638 ~1988
221165839288964879 ~1992
22116683442333678 ~1988
22117031442340638 ~1988
22117811442356238 ~1988
22118363442367278 ~1988
22118399442367998 ~1988
22118699442373998 ~1988
22119323442386478 ~1988
22119791442395838 ~1988
22121329247758884910 ~1993
22121483442429678 ~1988
221215211327291279 ~1990
22121579442431598 ~1988
221223672212236719 ~1990
22122539442450798 ~1988
22122599442451998 ~1988
221228273982108879 ~1991
22122851442457038 ~1988
1536
GIMPS The Prime Pages FactorDb.com
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25-10-20