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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
12811499256229998 ~1986
12811511256230238 ~1986
12811679256233598 ~1986
12811703256234078 ~1986
128119272049908339 ~1989
12811937768716238 ~1988
128119373843581119
12812183256243678 ~1986
12812291256245838 ~1986
12813023256260478 ~1986
128135232050163699 ~1989
12813959256279198 ~1986
12813973768838398 ~1988
12815017768901038 ~1988
12815137768908238 ~1988
128156111281561119 ~1988
128158393075801379 ~1989
12816179256323598 ~1986
12816457768987438 ~1988
128164991281649919 ~1988
128166072306989279 ~1989
128171511025372099 ~1988
12817823256356478 ~1986
12817943256358878 ~1986
12818231256364638 ~1986
Exponent Prime Factor Digits Year
12818699256373998 ~1986
128189292820164399 ~1989
128194392307499039 ~1989
12819923256398478 ~1986
12819959256399198 ~1986
12820799256415998 ~1986
128207991025663939
128214771025718179 ~1988
12821531256430638 ~1986
12821717769303038 ~1988
12822059256441198 ~1986
128220671282206719 ~1988
12822203256444078 ~1986
12822503256450078 ~1986
12822599256451998 ~1986
128230799489078479 ~1990
12823229164137331310 ~1991
12823493769409598 ~1988
12823717769423038 ~1988
12823859256477198 ~1986
128241671282416719 ~1988
12824303256486078 ~1986
128243471282434719 ~1988
12824543256490878 ~1986
12824881769492878 ~1988
Exponent Prime Factor Digits Year
12824891256497838 ~1986
12825023256500478 ~1986
12825083256501678 ~1986
12825623256512478 ~1986
12826631256532638 ~1986
12826811256536238 ~1986
12827159256543198 ~1986
12827291256545838 ~1986
12827411256548238 ~1986
12827693769661598 ~1988
12827891256557838 ~1986
12827953769677198 ~1988
12828719256574398 ~1986
128291296157981939 ~1990
12829163256583278 ~1986
12829457769767438 ~1988
12829501769770078 ~1988
12830351256607038 ~1986
128309112309563999 ~1989
12831419256628398 ~1986
12831911256638238 ~1986
12831961769917678 ~1988
12832871256657438 ~1986
12833063256661278 ~1986
12833603256672078 ~1986
Exponent Prime Factor Digits Year
12834001770040078 ~1988
12834401770064078 ~1988
12834551256691038 ~1986
12834817770089038 ~1988
12835019256700398 ~1986
128350215134008419 ~1990
128350611026804899 ~1988
128359391283593919 ~1988
12836459256729198 ~1986
12837437369718185710 ~1992
12837577770254638 ~1988
12837661770259678 ~1988
12837719256754398 ~1986
12838079256761598 ~1986
128382195135287619 ~1990
128383371027066979 ~1988
12838597770315838 ~1988
12838643256772878 ~1986
12838751256775038 ~1986
128389212824562639 ~1989
128391492824612799 ~1989
12839501770370078 ~1988
12840203256804078 ~1986
12840539256810798 ~1986
12840791256815838 ~1986
1104
GIMPS The Prime Pages FactorDb.com
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24-10-27