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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
4408951440895118 ~1985
4408961352716898 ~1984
4408973264538398 ~1984
4409291352743298 ~1984
44092995732088719 ~1987
4409609617345278 ~1985
4409633264577998 ~1984
4409633617348638
440965188193037 ~1983
4409921264595278 ~1984
4410061264603678 ~1984
4410101352808098 ~1984
4410283441028318 ~1985
4410347793862478 ~1985
441044388208877 ~1983
441055188211037 ~1983
441061188212237 ~1983
441068388213677 ~1983
4410691705710578 ~1985
44107431058578339 ~1986
4410761264645678 ~1984
4410893264653598 ~1984
441113988222797 ~1983
4411153264669198 ~1984
4411217264673038 ~1984
Exp. Prime Factor Digits Year
4411391352911298 ~1984
4411397264683838 ~1984
4411487352918978 ~1984
4411601264696078 ~1984
441167988233597 ~1983
4411739794113038 ~1985
4411873264712398 ~1984
4411877352950178 ~1984
4412059441205918 ~1985
4412227441222718 ~1985
4412227705956338
4412477617746798 ~1985
4412533264751998 ~1984
4412671441267118 ~1985
4412797264767838 ~1984
441301188260237 ~1983
44131211323936319 ~1986
441313188262637 ~1983
44131695207539439 ~1987
4413197353055778 ~1984
441320388264077 ~1983
441323988264797 ~1983
4413313264798798 ~1984
4413329617866078 ~1985
4413337264800238 ~1984
Exp. Prime Factor Digits Year
441337188267437 ~1983
4413371353069698
44134671147501439 ~1986
441368388273677 ~1983
4413763441376318 ~1985
4413917264835038 ~1984
4414037264842238 ~1984
4414037353122978
44140931765637219 ~1986
4414297264857838 ~1984
44143793266640479 ~1987
441446388289277 ~1983
44144633266702639
4414607353168578 ~1984
4414649353171938 ~1984
4414723441472318 ~1985
4415009353200738 ~1984
441512388302477 ~1983
4415273618138238 ~1985
441559188311837 ~1983
4416079441607918 ~1985
4416101264966078 ~1984
44161311854775039 ~1986
4416301971586238 ~1985
4416371353309698 ~1984
Exp. Prime Factor Digits Year
4416541264992478 ~1984
44165515388192239 ~1987
441662388332477 ~1983
4416757265005438 ~1984
44169471060067299 ~1986
4416977265018638 ~1984
441704388340877 ~1983
4417111441711118 ~1985
441715188343037 ~1983
4417151353372098
4417169353373538 ~1984
4417169618403678
4417199353375938 ~1984
44173071060153699 ~1986
441737988347597 ~1983
4417411441741118 ~1985
4417487795147678 ~1985
441749988349997 ~1983
4417793265067598 ~1984
4418077265084638 ~1984
4418107706897138 ~1985
4418131441813118 ~1985
4418539441853918 ~1985
4418719795369438 ~1985
4418807353504578 ~1984
628
GIMPS The Prime Pages FactorDb.com
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25-04-13