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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
5043299100865998 ~1983
5043431100868638 ~1983
50434912521745519 ~1987
5043707403496578 ~1985
50438171513145119 ~1986
5043881302632878 ~1985
5044211907957998 ~1986
50442611513278319 ~1986
50443431311529199 ~1986
5044379403550338 ~1985
5044531908015598 ~1986
5045057302703438 ~1985
5045077302704638 ~1985
5045297302717838 ~1985
5045471100909438 ~1983
50455312522765519 ~1987
5045827504582718 ~1985
5045879100917598 ~1983
5045933302755998 ~1985
5045977302758638 ~1985
5046031807364978 ~1986
5046031908285598
5046491100929838 ~1983
5046511504651118 ~1985
50465112119534639
Exp. Prime Factor Digits Year
50465531211172739 ~1986
5046577302794638 ~1985
5046653302799198 ~1985
5046659100933198 ~1983
5046703504670318 ~1985
5046737403738978 ~1985
5046787504678718 ~1985
5046851100937038 ~1983
5046859504685918 ~1985
5047379100947598 ~1983
5047403100948078 ~1983
50475174038013619 ~1987
5047573302854398 ~1985
5047643100952878 ~1983
5047663504766318 ~1985
5047697403815778 ~1985
5048003100960078 ~1983
50483532019341219 ~1987
50483992120327599 ~1987
5048401807744178 ~1986
5048413302904798 ~1985
5048441302906478 ~1985
5048591100971838 ~1983
5048663100973278 ~1983
5048713302922798 ~1985
Exp. Prime Factor Digits Year
50487771918535279 ~1986
5048903100978078 ~1983
5048977302938638 ~1985
5048999100979998 ~1983
5048999403919938
5049503100990078 ~1983
50495031615840979
5049623100992478 ~1983
50498273736871999 ~1987
5049907807985138 ~1986
5049911100998238 ~1983
5049959100999198 ~1983
5049977403998178 ~1985
5050217303013038 ~1985
5050273303016398 ~1985
5050477303028638 ~1985
5050511101010238 ~1983
5050583101011678 ~1983
5050601303036078 ~1985
5050657303039438 ~1985
5050763101015278 ~1983
5051141404091298 ~1985
5051219101024398 ~1983
5051723101034478 ~1983
5051747909314478 ~1986
Exp. Prime Factor Digits Year
5051803505180318 ~1985
50518072424867379 ~1987
5052241303134478 ~1985
5052623101052478 ~1983
5052653303159198 ~1985
5052713707379838 ~1985
50528331515849919 ~1986
5052863101057278 ~1983
5053271101065438 ~1983
5053313707463838 ~1985
5053493303209598 ~1985
5053889404311138 ~1985
5054053303243198 ~1985
50542671314109439 ~1986
5054351404348098 ~1985
5054417404353378 ~1985
50544312931569999 ~1987
5054531101090638 ~1983
5054639101092798 ~1983
5054677303280638 ~1985
5054713303282798 ~1985
50549893235192979 ~1987
5055023101100478 ~1983
5055053303303198 ~1985
5055059101101198 ~1983
701
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25-11-17