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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
37974263759485278 ~1990
379745573037964579 ~1992
379749532278497199 ~1991
37974983759499678 ~1990
37977073113931219110 ~1993
37977419759548398 ~1990
37977683759553678 ~1990
37978571759571438 ~1990
37978931759578638 ~1990
379793513038348099 ~1992
379800773038406179 ~1992
379808212278849279 ~1991
37980863759617278 ~1990
37981523759630478 ~1990
37981807638094357710 ~1995
379831572278989439 ~1991
37983371759667438 ~1990
37983623759672478 ~1990
37983791759675838 ~1990
37984091759681838 ~1990
37984571759691438 ~1990
37987199759743998 ~1990
37988711759774238 ~1990
37988759759775198 ~1990
379889212279335279 ~1991
Exponent Prime Factor Digits Year
379892399117417379 ~1993
379893775318512799 ~1992
37989779759795598 ~1990
37989851759797038 ~1990
37990079759801598 ~1990
37990259759805198 ~1990
37990811759816238 ~1990
37991111759822238 ~1990
37992299759845998 ~1990
37992743759854878 ~1990
37993979759879598 ~1990
37994531759890638 ~1990
379949532279697199 ~1991
37995311759906238 ~1990
37995623759912478 ~1990
379962376079397939 ~1992
379964172279785039 ~1991
37996559759931198 ~1990
37997579759951598 ~1990
38000663760013278 ~1990
380011012280066079 ~1991
38001611760032238 ~1990
38001641114004923110 ~1993
38002091760041838 ~1990
38002319760046398 ~1990
Exponent Prime Factor Digits Year
38002883760057678 ~1990
38003123760062478 ~1990
38003879760077598 ~1990
380044332280265999 ~1991
380049131641812241711 ~1996
38005739760114798 ~1990
38008391760167838 ~1990
380098013040784099 ~1992
380098316841769599 ~1993
380107673040861379 ~1992
38011049121635356910 ~1993
38011139760222798 ~1990
38011331760226638 ~1990
380125495321756879 ~1992
38012783760255678 ~1990
38013323760266478 ~1990
38013551760271038 ~1990
38014271760285438 ~1990
38014391760287838 ~1990
380143913041151299
380146633801466319 ~1992
380147932280887599 ~1991
38015639760312798 ~1990
38015759760315198 ~1990
38016623760332478 ~1990
Exponent Prime Factor Digits Year
38016851760337038 ~1990
38017943760358878 ~1990
38018483760369678 ~1990
38018891760377838 ~1990
380203972281223839 ~1991
38021663760433278 ~1990
38021759760435198 ~1990
380231093041848739 ~1992
38024279760485598 ~1990
38024963760499278 ~1990
380278373042226979 ~1992
38029151760583038 ~1990
38029319760586398 ~1990
38030711760614238 ~1990
38032223760644478 ~1990
380323676845826079 ~1993
380329012281974079 ~1991
38033843760676878 ~1990
38034263760685278 ~1990
38034299760685998 ~1990
38034641121710851310 ~1993
38036291760725838 ~1990
38036363760727278 ~1990
38036797813987455910 ~1995
380370372282222239 ~1991
1923
GIMPS The Prime Pages FactorDb.com
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25-07-08