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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.
Exp. Prime Factor Digits Year
7630789114461835110 ~1989
7630817457849038 ~1986
7631051152621038 ~1985
7631381457882878 ~1986
76314891068408479 ~1987
7631537610522978 ~1986
7631551763155118 ~1986
7631761457905678 ~1986
7631831152636638 ~1985
7631881457912878 ~1986
7631951610556098 ~1986
7632011152640238 ~1985
7632011610560898
7632059610564738 ~1986
7632143152642878 ~1985
7632533457951998 ~1986
7632641457958478 ~1986
7632719610617538 ~1986
76329711373934799 ~1987
7633091152661838 ~1985
76330911373956399
76336274964911000911 ~1993
7633679152673598 ~1985
7633679610694338
7633859152677198 ~1985
Exp. Prime Factor Digits Year
7633859610708738
7634093458045598 ~1986
7634113458046798 ~1986
7634357610748578 ~1986
7634441458066478 ~1986
7634519152690398 ~1985
7634719763471918 ~1986
76349691068895679 ~1987
7635059152701198 ~1985
76353473664966579 ~1988
7635647610851778 ~1986
7635899152717998 ~1985
7636093458165598 ~1986
7636931610954498 ~1986
7637011763701118 ~1986
7637033458221998 ~1986
7637243152744878 ~1985
76373231832957539 ~1987
7637351152747038 ~1985
76375991374767839 ~1987
7637803763780318 ~1986
7637977458278638 ~1986
7638167611053378 ~1986
7638173458290398 ~1986
7638517458311038 ~1986
Exp. Prime Factor Digits Year
7638557458313438 ~1986
76386412444365139 ~1988
7638941458336478 ~1986
7639271611141698 ~1986
76393191375077439 ~1987
7639721611177698 ~1986
7639739152794798 ~1985
7639759763975918 ~1986
7639799152795998 ~1985
7639883152797678 ~1985
7640141611211298 ~1986
7640183152803678 ~1985
7640351152807038 ~1985
7640357611228578 ~1986
7640377458422638 ~1986
76407071375327279 ~1987
76407072597840399
7640723152814478 ~1985
7640821458449278 ~1986
76409331069730639 ~1987
7641071611285698 ~1986
7641131152822638 ~1985
7641197458471838 ~1986
7641241458474478 ~1986
7641353458481198 ~1986
Exp. Prime Factor Digits Year
7641377611310178 ~1986
7641479152829598 ~1985
7641611611328898 ~1986
7641671152833438 ~1985
76417093056683619 ~1988
7641839152836798 ~1985
7642139152842798 ~1985
7642403152848078 ~1985
7642577458554638 ~1986
7642681458560878 ~1986
7642931152858638 ~1985
7642963764296318 ~1986
7643033458581998 ~1986
7643039152860798 ~1985
7643473458608398 ~1986
76435331222965299 ~1987
7643543152870878 ~1985
7643717458623038 ~1986
7643807611504578 ~1986
7643879611510338 ~1986
76441573057662819 ~1988
76443531834644739 ~1987
7644433458665998 ~1986
7644803152896078 ~1985
7644997458699838 ~1986
905
GIMPS The Prime Pages FactorDb.com
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26-02-08