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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
8961311179226238 ~1985
8961383179227678 ~1985
8961661537699678 ~1986
8961671179233438 ~1985
89617071613107279 ~1988
89617678065590319 ~1989
8962139179242798 ~1985
8962643179252878 ~1985
8962931179258638 ~1985
89629971254819599 ~1987
8963351179267038 ~1985
8963579179271598 ~1985
8963677537820638 ~1986
8963771179275438 ~1985
8963797537827838 ~1986
8964017537841038 ~1986
8964251179285038 ~1985
8964359179287198 ~1985
89644672330761439 ~1988
8964671179293438 ~1985
8964731179294638 ~1985
8965357537921438 ~1986
8965393537923598 ~1986
8965403179308078 ~1985
8965499179309998 ~1985
Exp. Prime Factor Digits Year
8965679179313598 ~1985
8965721537943278 ~1986
8966257537975438 ~1986
8966411179328238 ~1985
8966501537990078 ~1986
8966681717334498 ~1987
8966717538003038 ~1986
8966759179335198 ~1985
8966999179339998 ~1985
8967281172171795310 ~1990
8967377538042638 ~1986
8967611179352238 ~1985
8967659179353198 ~1985
8967719179354398 ~1985
89679112331656879 ~1988
8968153538089198 ~1986
8968241538094478 ~1986
8968301538098078 ~1986
8968957538137438 ~1986
8969293538157598 ~1986
89694193049602479 ~1988
8969777120195011910 ~1990
8969783179395678 ~1985
8969813538188798 ~1986
8969993538199598 ~1986
Exp. Prime Factor Digits Year
8970119179402398 ~1985
8970133538207998 ~1986
8970497538229838 ~1986
89704971255869599
89705032332330799 ~1988
8970757538245438 ~1986
89707917176632819 ~1989
89709791614776239 ~1988
8971139179422798 ~1985
89711771435388339 ~1987
8971181538270878 ~1986
8971241538274478 ~1986
8971499179429998 ~1985
8971559179431198 ~1985
8971663897166318 ~1987
8971757717740578 ~1987
8972101538326078 ~1986
8972291179445838 ~1985
8972963179459278 ~1985
8973131179462638 ~1985
8973311179466238 ~1985
89733431435734899 ~1987
8973401538404078 ~1986
8973521538411278 ~1986
8973533538411998 ~1986
Exp. Prime Factor Digits Year
8973551179471038 ~1985
8973581717886498 ~1987
8973737538424238 ~1986
8973901538434078 ~1986
8974037538442238 ~1986
8974139179482798 ~1985
8974271179485438 ~1985
8974529717962338 ~1987
8974681538480878 ~1986
8975159179503198 ~1985
8975171179503438 ~1985
8975333538519998 ~1986
8975363179507278 ~1985
8975381538522878 ~1986
89754592872146899 ~1988
8975579179511598 ~1985
8975639179512798 ~1985
89757531256605439 ~1987
8975903179518078 ~1985
8976127897612718 ~1987
8976659179533198 ~1985
8976839179536798 ~1985
8977013538620798 ~1986
8977039897703918 ~1987
8977201538632078 ~1986
959
GIMPS The Prime Pages FactorDb.com
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25-06-01