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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
37984571759691438 ~1990
37985459759709198 ~1990
37985543759710878 ~1990
37987151759743038 ~1990
37987199759743998 ~1990
37987451759749038 ~1990
37987643759752878 ~1990
379884732279308399 ~1991
37988711759774238 ~1990
37988759759775198 ~1990
379889212279335279 ~1991
379892399117417379 ~1993
379893775318512799 ~1992
37989779759795598 ~1990
37989851759797038 ~1990
37990079759801598 ~1990
37990259759805198 ~1990
37990811759816238 ~1990
37991111759822238 ~1990
37991483759829678 ~1990
37991939759838798 ~1990
37992299759845998 ~1990
37992659759853198 ~1990
37992743759854878 ~1990
37993139759862798 ~1990
Exponent Prime Factor Digits Year
37993979759879598 ~1990
37994531759890638 ~1990
37994543759890878 ~1990
37994639759892798 ~1990
37994783759895678 ~1990
37994903759898078 ~1990
379949532279697199 ~1991
37995071759901438 ~1990
37995311759906238 ~1990
37995623759912478 ~1990
37995851759917038 ~1990
379962376079397939 ~1992
379964172279785039 ~1991
37996499759929998 ~1990
37996559759931198 ~1990
37997579759951598 ~1990
37997651759953038 ~1990
37998563759971278 ~1990
37998659759973198 ~1990
37999631759992638 ~1990
37999883759997678 ~1990
38000663760013278 ~1990
380011012280066079 ~1991
38001611760032238 ~1990
38001641114004923110 ~1993
Exponent Prime Factor Digits Year
38002091760041838 ~1990
38002319760046398 ~1990
38002883760057678 ~1990
38003123760062478 ~1990
38003519760070398 ~1990
38003879760077598 ~1990
380044332280265999 ~1991
380049131641812241711 ~1996
38005559760111198 ~1990
38005739760114798 ~1990
38005769144421922310 ~1993
38007311760146238 ~1990
38008079760161598 ~1990
38008163760163278 ~1990
38008391760167838 ~1990
38008613121627561710 ~1993
38008871760177438 ~1990
38009591760191838 ~1990
380098013040784099 ~1992
380098316841769599 ~1993
38010683760213678 ~1990
380107673040861379 ~1992
38011049121635356910 ~1993
38011139760222798 ~1990
38011331760226638 ~1990
Exponent Prime Factor Digits Year
380125495321756879 ~1992
38012783760255678 ~1990
38013323760266478 ~1990
38013551760271038 ~1990
38014271760285438 ~1990
38014391760287838 ~1990
380143913041151299
38014583760291678 ~1990
380146633801466319 ~1992
380147932280887599 ~1991
38015639760312798 ~1990
38015759760315198 ~1990
38016623760332478 ~1990
38016791760335838 ~1990
38016851760337038 ~1990
38016971760339438 ~1990
38017319760346398 ~1990
38017691760353838 ~1990
38017943760358878 ~1990
38018483760369678 ~1990
38018531760370638 ~1990
38018891760377838 ~1990
38020091760401838 ~1990
380203972281223839 ~1991
38020511760410238 ~1990
2049
GIMPS The Prime Pages FactorDb.com
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26-03-08