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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
38999063779981278 ~1990
390000012340000079 ~1991
390007212340043279 ~1991
39003131780062638 ~1990
39003803780076078 ~1990
39005243780104878 ~1990
39005399780107998 ~1990
39007343780146878 ~1990
390075473120603779 ~1992
390076993900769919 ~1992
39007763780155278 ~1990
390085273900852719 ~1992
390091612340549679 ~1991
39010943780218878 ~1990
39011663780233278 ~1990
39012359780247198 ~1990
390139073121112579 ~1992
390145932340875599 ~1991
390152113901521119 ~1992
39015563780311278 ~1990
39015677117047031110 ~1993
39015719780314398 ~1990
390159313901593119 ~1992
39016151780323038 ~1990
39016403780328078 ~1990
Exponent Prime Factor Digits Year
39018359780367198 ~1990
39018443780368878 ~1990
390184932341109599 ~1991
39019439780388798 ~1990
39019499780389998 ~1990
39020519780410398 ~1990
39020603780412078 ~1990
39021431780428638 ~1990
39021623780432478 ~1990
390217679365224099 ~1993
39022391780447838 ~1990
390226313121810499 ~1992
39023291780465838 ~1990
390236093121888739 ~1992
39024131780482638 ~1990
390242772341456639 ~1991
39024371780487438 ~1990
39024383780487678 ~1990
39024539780490798 ~1990
39024659780493198 ~1990
39024959780499198 ~1990
39025801842957301710 ~1995
39025823780516478 ~1990
39026831780536638 ~1990
39027179780543598 ~1990
Exponent Prime Factor Digits Year
39027743780554878 ~1990
39028183163918368710 ~1994
39028943780578878 ~1990
39029351780587038 ~1990
39030119780602398 ~1990
39032183780643678 ~1990
390322495464514879 ~1992
39032531780650638 ~1990
390326212341957279 ~1991
39034763780695278 ~1990
390348193903481919 ~1992
39035159780703198 ~1990
39037727195188635110 ~1994
390379612342277679 ~1991
39038123780762478 ~1990
39038651780773038 ~1990
39039079156156316110 ~1993
39039719780794398 ~1990
390416999370007779 ~1993
39042611780852238 ~1990
39043847195219235110 ~1994
39045299780905998 ~1990
39045983780919678 ~1990
390462012342772079 ~1991
390464813123718499 ~1992
Exponent Prime Factor Digits Year
39047003780940078 ~1990
39047279780945598 ~1990
39047531780950638 ~1990
39047579780951598 ~1990
390481793123854339 ~1992
390484613123876899 ~1992
39049403780988078 ~1990
390496495466950879 ~1992
390503932343023599 ~1991
39051851781037038 ~1990
39052439781048798 ~1990
39053519781070398 ~1990
39055931781118638 ~1990
39056291781125838 ~1990
39057727132796271910 ~1993
390582772343496639 ~1991
390590513124724099 ~1992
390597073905970719 ~1992
39061091781221838 ~1990
39061619781232398 ~1990
390627016250032179 ~1992
39063071781261438 ~1990
39063539781270798 ~1990
39064799781295998 ~1990
39065423781308478 ~1990
1905
GIMPS The Prime Pages FactorDb.com
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25-05-04