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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
18728291374565838 ~1988
187284971123709839 ~1989
18728579374571598 ~1988
18728639374572798 ~1988
18728903374578078 ~1988
18729059374581198 ~1988
187292331123753999 ~1989
18729443374588878 ~1988
18729671374593438 ~1988
187301571498412579 ~1989
187304894120707599 ~1990
18730619374612398 ~1988
187310211498481699 ~1989
18731171374623438 ~1988
18731183374623678 ~1988
187318571123911439 ~1989
18731903374638078 ~1988
187319172997106739 ~1990
187319871498558979 ~1989
187323411123940479 ~1989
18732491374649838 ~1988
18732599374651998 ~1988
18732839374656798 ~1988
18733103374662078 ~1988
18733139374662798 ~1988
Exponent Prime Factor Digits Year
18733499374669998 ~1988
18733619374672398 ~1988
18734879374697598 ~1988
18735239374704798 ~1988
18735911374718238 ~1988
18736331374726638 ~1988
187369991873699919 ~1989
187371771124230639 ~1989
187376591873765919 ~1989
18737843374756878 ~1988
18737879374757598 ~1988
18737951374759038 ~1988
18738899374777998 ~1988
18739211374784238 ~1988
18740063374801278 ~1988
187401911874019119 ~1989
18740219374804398 ~1988
187402971124417839 ~1989
18740299108693734310 ~1991
18740339374806798 ~1988
18740363374807278 ~1988
18740483374809678 ~1988
18740531374810638 ~1988
18741083374821678 ~1988
18741659374833198 ~1988
Exponent Prime Factor Digits Year
18741839374836798 ~1988
18742319374846398 ~1988
18742523374850478 ~1988
18742583374851678 ~1988
18743363374867278 ~1988
18743591374871838 ~1988
18743951374879038 ~1988
18744371374887438 ~1988
18744443374888878 ~1988
18744983374899678 ~1988
187452177123182479 ~1991
18745403374908078 ~1988
18745631374912638 ~1988
18745763374915278 ~1988
18746111374922238 ~1988
187468319373415519 ~1991
187473411499787299 ~1989
18747563374951278 ~1988
18747611374952238 ~1988
18747671374953438 ~1988
18747779374955598 ~1988
18747959374959198 ~1988
187480331124881999 ~1989
18748091374961838 ~1988
18748343374966878 ~1988
Exponent Prime Factor Digits Year
18748403374968078 ~1988
187488131124928799 ~1989
18748871374977438 ~1988
18749231374984638 ~1988
18749459374989198 ~1988
18749579374991598 ~1988
187495791499966339
18750503375010078 ~1988
187508571125051439 ~1989
18751259375025198 ~1988
18751283375025678 ~1988
187517091500136739 ~1989
187520991500167939 ~1989
18752159375043198 ~1988
187523479001126579 ~1991
18752939375058798 ~1988
18753803375076078 ~1988
18753863375077278 ~1988
18754031375080638 ~1988
18754331375086638 ~1988
187544411125266479 ~1989
187545431875454319 ~1989
18754559375091198 ~1988
187546694501120579 ~1990
18755543375110878 ~1988
1375
GIMPS The Prime Pages FactorDb.com
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25-05-04