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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
8715023174300478 ~1985
8715383174307678 ~1985
8715659174313198 ~1985
8715659697252738
87160072266161839 ~1988
87160213486408419 ~1988
87160631394570099 ~1987
8716217125513524910 ~1990
8716271174325438 ~1985
8716439174328798 ~1985
87165311394644979 ~1987
8716627871662718 ~1987
8716703174334078 ~1985
8716997523019838 ~1986
8717117523027038 ~1986
8717123174342478 ~1985
8717551871755118 ~1987
8717557139480912110 ~1990
8717783174355678 ~1985
8717963174359278 ~1985
8717981523078878 ~1986
8718011697440898 ~1987
8718089195285193710 ~1990
8718191174363838 ~1985
8718401523104078 ~1986
Exp. Prime Factor Digits Year
87184272092422499 ~1988
8718431174368638 ~1985
8718491174369838 ~1985
8718539697483138 ~1987
8718733523123998 ~1986
8718737523124238 ~1986
8718811871881118 ~1987
8719127697530178 ~1987
8719133523147998 ~1986
8719211174384238 ~1985
8719253523155198 ~1986
87193032092632739 ~1988
8719391174387838 ~1985
8719567871956718 ~1987
87198311569569599 ~1988
87198735580718739 ~1989
8720171174403438 ~1985
8720189697615138 ~1987
8720311872031118 ~1987
8720483174409678 ~1985
8720533523231998 ~1986
8721029697682338 ~1987
87211013314018399 ~1988
8721239174424798 ~1985
8721239697699138
Exp. Prime Factor Digits Year
87216073488642819 ~1988
8721749137803634310 ~1990
87217631395482099 ~1987
8721913523314798 ~1986
8722097523325838 ~1986
8722211697776898 ~1987
8722409697792738 ~1987
8722607697808578 ~1987
8722799174455998 ~1985
8722859697828738 ~1987
8723063174461278 ~1985
8723213523392798 ~1986
8723321697865698 ~1987
8723441523406478 ~1986
8723459697876738 ~1987
8723531174470638 ~1985
8723789697903138 ~1987
8723993523439598 ~1986
8724143174482878 ~1985
8724479697958338 ~1987
8724641523478478 ~1986
8724721523483278 ~1986
8725091174501838 ~1985
8725177523510638 ~1986
8725217523513038 ~1986
Exp. Prime Factor Digits Year
8725217698017378
8725421698033698 ~1987
87254892094117379 ~1988
8725511174510238 ~1985
87256212617686319 ~1988
8725631174512638 ~1985
8725823174516478 ~1985
8726351174527038 ~1985
8727053523623198 ~1986
8727161698172898 ~1987
8727263174545278 ~1985
87273431396374899 ~1987
87273432967296639
87283032967623039 ~1988
87284271571116879 ~1988
8728679174573598 ~1985
8728757523725438 ~1986
8728823174576478 ~1985
87289691920373199 ~1988
8729183174583678 ~1985
8729291174585838 ~1985
8729317523759038 ~1986
8729411174588238 ~1985
8729429698354338 ~1987
8729543174590878 ~1985
999
GIMPS The Prime Pages FactorDb.com
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26-08-02