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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
7232627578610178 ~1986
72327611591207439 ~1987
72329172893166819 ~1988
7233071144661438 ~1985
7233263144665278 ~1985
7233593434015598 ~1986
72336373472145779 ~1988
72337271157396339 ~1987
7233899578711938 ~1986
7234091144681838 ~1985
7234091578727298
72343211591550639 ~1987
7234361578748898 ~1986
7234433434065998 ~1986
7234679144693598 ~1985
72348971157583539 ~1987
7235071723507118 ~1986
7235279144705598 ~1985
7235339144706798 ~1985
7235537578842978 ~1986
7235771144715438 ~1985
7235807578864578 ~1986
7235939578875138 ~1986
7235951144719038 ~1985
7235959723595918 ~1986
Exp. Prime Factor Digits Year
7236197578895778 ~1986
7236371578909698 ~1986
7236431144728638 ~1985
7236683144733678 ~1985
7236727723672718 ~1986
7237091144741838 ~1985
7237093434225598 ~1986
7237259144745198 ~1985
7237343144746878 ~1985
7237397434243838 ~1986
7237823144756478 ~1985
7237961579036898 ~1986
7238351579068098 ~1986
72384015066880719 ~1988
7238519144770398 ~1985
7238879144777598 ~1985
72389273474684979 ~1988
7239131144782638 ~1985
7239173434350398 ~1986
7239251579140098 ~1986
7239443144788878 ~1985
7239539144790798 ~1985
7239863144797278 ~1985
7239899144797998 ~1985
72404111303273999 ~1987
Exp. Prime Factor Digits Year
7240439579235138 ~1986
7240553434433198 ~1986
7240901579272098 ~1986
7240907123095419110 ~1989
72410531158568499 ~1987
7241257434475438 ~1986
7241279579302338 ~1986
7241281434476878 ~1986
7241291144825838 ~1985
7241471144829438 ~1985
7241497434489838 ~1986
7241537434492238 ~1986
7241537579322978
7241579144831598 ~1985
7241657579332578 ~1986
72416571013831999
72417471882854239 ~1987
7242077579366178 ~1986
7242143144842878 ~1985
7242149579371938 ~1986
7242241434534478 ~1986
7242419579393538 ~1986
7242551144851038 ~1985
7242637434558238 ~1986
7242707579416578 ~1986
Exp. Prime Factor Digits Year
72427331593401279 ~1987
7242737434564238 ~1986
7242847724284718 ~1986
7242863144857278 ~1985
7243163144863278 ~1985
7243381102856010310 ~1989
7243583144871678 ~1985
72436972173109119 ~1987
7243979144879598 ~1985
7244291579543298 ~1986
7244761434685678 ~1986
72451677100263679 ~1989
7245239144904798 ~1985
72452571738861699 ~1987
7245361434721678 ~1986
72454391738905379 ~1987
7245863144917278 ~1985
7245923144918478 ~1985
72461331739071939 ~1987
7246363724636318 ~1986
72463872898554819 ~1988
7246559144931198 ~1985
7246643144932878 ~1985
7246667579733378 ~1986
7246753434805198 ~1986
867
GIMPS The Prime Pages FactorDb.com
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25-11-02