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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
28505051570101038 ~1989
28505159570103198 ~1989
28505903570118078 ~1989
28506911570138238 ~1989
28508171570163438 ~1989
28508219570164398 ~1989
28508423570168478 ~1989
28508663570173278 ~1989
285095392280763139 ~1991
28510403570208078 ~1989
28510439570208798 ~1989
28510739570214798 ~1989
28511183570223678 ~1989
28511603570232078 ~1989
28511699570233998 ~1989
285117531710705199 ~1990
28511891570237838 ~1989
285123011710738079 ~1990
28512719205291576910 ~1993
28513559570271198 ~1989
28513679570273598 ~1989
28513871570277438 ~1989
28514039570280798 ~1989
28514099570281998 ~1989
285140992281127939
Exponent Prime Factor Digits Year
28514303570286078 ~1989
28514543570290878 ~1989
28514939570298798 ~1989
28515251570305038 ~1989
28516141114064564110 ~1992
28516151570323038 ~1989
285171736844121539 ~1992
28517663570353278 ~1989
28518071570361438 ~1989
28518779570375598 ~1989
28518863570377278 ~1989
28519763570395278 ~1989
28520291570405838 ~1989
28520363570407278 ~1989
285205811711234879 ~1990
28521203570424078 ~1989
28521371570427438 ~1989
28521683570433678 ~1989
28521959570439198 ~1989
28522463570449278 ~1989
28522919570458398 ~1989
28522943570458878 ~1989
28523279570465598 ~1989
285233331711399999 ~1990
285235131711410799 ~1990
Exponent Prime Factor Digits Year
28523639570472798 ~1989
28523903570478078 ~1989
28524311570486238 ~1989
28525331570506638 ~1989
28525391570507838 ~1989
285254232852542319 ~1991
28525691570513838 ~1989
28526171570523438 ~1989
285266535334484111111 ~1996
28526783570535678 ~1989
28526843570536878 ~1989
285269414564310579 ~1991
285285371711712239 ~1990
28528691570573838 ~1989
28528697382284539910 ~1994
28529159570583198 ~1989
285297136276536879 ~1992
285298192282385539 ~1991
28530563570611278 ~1989
28530839570616798 ~1989
28531271570625438 ~1989
28531823570636478 ~1989
28532039570640798 ~1989
28532411570648238 ~1989
285324477418436239 ~1992
Exponent Prime Factor Digits Year
28532639570652798 ~1989
28532831570656638 ~1989
285330611711983679 ~1990
28533959570679198 ~1989
28534091570681838 ~1989
28534679570693598 ~1989
28534799570695998 ~1989
28534871570697438 ~1989
28535051570701038 ~1989
285352931712117599 ~1990
285353931712123599 ~1990
28535711570714238 ~1989
285361131712166799 ~1990
28536671570733438 ~1989
28537163570743278 ~1989
28537199570743998 ~1989
28537571570751438 ~1989
28538183570763678 ~1989
28538483570769678 ~1989
28539383570787678 ~1989
28540091570801838 ~1989
28540643570812878 ~1989
28540751570815038 ~1989
28540931570818638 ~1989
285412211712473279 ~1990
1625
GIMPS The Prime Pages FactorDb.com
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24-10-27