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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
10514411210288238 ~1986
10514459210289198 ~1986
105145871682333939 ~1988
105148391051483919 ~1988
105150071892701279 ~1988
10515053630903198 ~1987
10515077630904638 ~1987
10515133630907998 ~1987
10515383210307678 ~1986
10515551210311038 ~1986
10515731210314638 ~1986
10515773630946398 ~1987
10516043210320878 ~1986
105161271892902879 ~1988
10516199210323998 ~1986
10516301630978078 ~1987
10516619210332398 ~1986
10516799210335998 ~1986
10517201631032078 ~1987
105173831682781299 ~1988
10517411210348238 ~1986
10517471210349438 ~1986
105175671893162079 ~1988
10517579210351598 ~1986
10518311210366238 ~1986
Exponent Prime Factor Digits Year
10518551210371038 ~1986
10518671841493698 ~1987
105186893365980499 ~1989
10518719210374398 ~1986
10518743210374878 ~1986
10518803210376078 ~1986
10518979403928793710 ~1991
10519031841522498 ~1987
10519037631142238 ~1987
10519241631154478 ~1987
10519343210386878 ~1986
10519499210389998 ~1986
10519637631178238 ~1987
10519643210392878 ~1986
105201173156035119 ~1989
10520189841615138 ~1987
10520651841652098 ~1987
105208571683337139 ~1988
105208999258391139 ~1990
10521239210424798 ~1986
10521503210430078 ~1986
10521779210435598 ~1986
10521887841750978 ~1987
10521941631316478 ~1987
10522441631346478 ~1987
Exponent Prime Factor Digits Year
10522613631356798 ~1987
10522619210452398 ~1986
105226271052262719 ~1988
10522859210457198 ~1986
10522973631378398 ~1987
10523021841841698 ~1987
105230831052308319 ~1988
10523531841882498 ~1987
10523783210475678 ~1986
10523881107343586310 ~1990
10524001631440078 ~1987
10524131210482638 ~1986
10524197631451838 ~1987
10524599210491998 ~1986
105247991052479919 ~1988
10524863210497278 ~1986
105249773157493119 ~1989
10525037842002978 ~1987
10525061842004898 ~1987
10525093631505598 ~1987
10525181631510878 ~1987
10525199210503998 ~1986
10525301631518078 ~1987
10525721842057698 ~1987
10525919210518398 ~1986
Exponent Prime Factor Digits Year
10526423210528478 ~1986
10526561842124898 ~1987
10526699210533998 ~1986
10526717631603038 ~1987
10526783210535678 ~1986
105268271052682719 ~1988
10526891210537838 ~1986
10527221631633278 ~1987
10527227842178178 ~1987
10527431210548638 ~1986
10527613631656798 ~1987
10527851210557038 ~1986
10528643210572878 ~1986
10528657631719438 ~1987
10528751210575038 ~1986
10528753631725198 ~1987
10528811210576238 ~1986
10528961631737678 ~1987
10528997631739838 ~1987
10529231210584638 ~1986
10529237631754238 ~1987
105292636949313599 ~1990
10529303210586078 ~1986
105294597791799679 ~1990
10529471210589438 ~1986
1043
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25-05-04