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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.
Exp. Prime Factor Digits Year
7510487600838978 ~1986
7510579751057918 ~1986
7510619150212398 ~1985
75106871201709939 ~1987
7510859150217198 ~1985
7511033450661998 ~1986
7511039150220798 ~1985
7511039600883138
7511123150222478 ~1985
7511183150223678 ~1985
7511267600901378 ~1986
7511291150225838 ~1985
7511419751141918 ~1986
7511461450687678 ~1986
7511891150237838 ~1985
7512311150246238 ~1985
7512403751240318 ~1986
7512781450766878 ~1986
75128591352314639 ~1987
7512863150257278 ~1985
7513063751306318 ~1986
7513139150262798 ~1985
7513223150264478 ~1985
7513321450799278 ~1986
7513357450801438 ~1986
Exp. Prime Factor Digits Year
7513391150267838 ~1985
7513601450816078 ~1986
7513703150274078 ~1985
7513931150278638 ~1985
7514231150284638 ~1985
7514321450859278 ~1986
7514341450860478 ~1986
7514411150288238 ~1985
7514791751479118 ~1986
7515041450902478 ~1986
7515143150302878 ~1985
7515251150305038 ~1985
7515719150314398 ~1985
7515731150314638 ~1985
7515763751576318 ~1986
7515971150319438 ~1985
7516081450964878 ~1986
7516211601296898 ~1986
7516259150325198 ~1985
75163371052287199 ~1987
7516391150327838 ~1985
7516391601311298
7516721451003278 ~1986
7516739150334798 ~1985
75168433006737219 ~1988
Exp. Prime Factor Digits Year
7516877451012638 ~1986
7516877601350178
7517057601364578 ~1986
75171231954451999 ~1987
7517137451028238 ~1986
7517183150343678 ~1985
75172391353103039 ~1987
7517291150345838 ~1985
75178272556061199 ~1988
75181573458352239 ~1988
7518191150363838 ~1985
7518241451094478 ~1986
75182531202920499 ~1987
7518359150367198 ~1985
7518431150368638 ~1985
7518473451108398 ~1986
7518727751872718 ~1986
7518821451129278 ~1986
7519139150382798 ~1985
7519223150384478 ~1985
75193132255793919 ~1988
7519331150386638 ~1985
7519333451159998 ~1986
7519517601561378 ~1986
7519541601563298 ~1986
Exp. Prime Factor Digits Year
7519817601585378 ~1986
7520063150401278 ~1985
7520221451213278 ~1986
75203111203249779 ~1987
75203474361801279 ~1988
7520351150407038 ~1985
7520389180489336110 ~1990
75204072556938399 ~1988
7520417451225038 ~1986
7520501451230078 ~1986
7520567601645378 ~1986
7520581451234878 ~1986
7520819150416398 ~1985
75208196768737119
75209111353763999 ~1987
7520993451259598 ~1986
7521443150428878 ~1985
75215332256459919 ~1988
7521659150433198 ~1985
7521869601749538 ~1986
7522187601774978 ~1986
7522283150445678 ~1985
7522799150455998 ~1985
75229271203668339 ~1987
7523189601855138 ~1986
864
GIMPS The Prime Pages FactorDb.com
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25-05-04