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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
289171972313375779 ~1991
28917419578348398 ~1989
28917851578357038 ~1989
289185736940457539 ~1992
28918871578377438 ~1989
28919183578383678 ~1989
28919591578391838 ~1989
28919603578392078 ~1989
289202512313620099 ~1991
289202574048835999 ~1991
289203736940889539 ~1992
28920779578415598 ~1989
289211331735267999 ~1990
28921283578425678 ~1989
289221892313775139 ~1991
28922291578445838 ~1989
289226875206083679 ~1992
28923143578462878 ~1989
289231612313852899 ~1991
28923299578465998 ~1989
28923421133047736710 ~1993
28923803578476078 ~1989
289242776941826499 ~1992
289242971735457839 ~1990
28925159578503198 ~1989
Exponent Prime Factor Digits Year
28926011578520238 ~1989
28926539578530798 ~1989
28926899578537998 ~1989
28927187260344683110 ~1993
28927271578545438 ~1989
28927439578548798 ~1989
28927883578557678 ~1989
28929119578582398 ~1989
28929623578592478 ~1989
28930091578601838 ~1989
28930127399235752710 ~1994
28930259578605198 ~1989
28930463578609278 ~1989
28930631578612638 ~1989
289307931735847599 ~1990
28930823578616478 ~1989
289308411735850479 ~1990
289313232893132319 ~1991
28931411578628238 ~1989
28931663578633278 ~1989
28932023578640478 ~1989
28932731578654638 ~1989
28932983578659678 ~1989
289333011735998079 ~1990
28934063578681278 ~1989
Exponent Prime Factor Digits Year
28934123578682478 ~1989
28934231578684638 ~1989
289344914629518579 ~1991
28935383578707678 ~1989
289354331736125999 ~1990
28935551578711038 ~1989
289361571736169439 ~1990
289364211736185279 ~1990
28936763578735278 ~1989
28937039578740798 ~1989
289371774051204799 ~1991
28937939578758798 ~1989
289381012315048099 ~1991
28938179578763598 ~1989
28938443578768878 ~1989
28938659578773198 ~1989
28939199578783998 ~1989
28939331578786638 ~1989
28940063578801278 ~1989
28940399578807998 ~1989
28940423578808478 ~1989
28940459578809198 ~1989
28940531578810638 ~1989
28940603578812078 ~1989
289407296945774979 ~1992
Exponent Prime Factor Digits Year
28940963578819278 ~1989
28941239578824798 ~1989
28941359578827198 ~1989
28941431578828638 ~1989
28942451578849038 ~1989
28942631578852638 ~1989
28942799578855998 ~1989
28943543578870878 ~1989
289435571736613439 ~1990
28943903578878078 ~1989
28944263578885278 ~1989
28944911578898238 ~1989
28945043578900878 ~1989
28945439578908798 ~1989
28946051578921038 ~1989
28948103578962078 ~1989
28948163578963278 ~1989
289492872894928719 ~1991
28950191579003838 ~1989
289502211737013279 ~1990
28950359579007198 ~1989
28951199579023998 ~1989
289513391140682756711 ~1995
28951931579038638 ~1989
289525034632400499 ~1991
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25-03-23