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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
4245119764121438 ~1985
4245337254720238 ~1984
4245601254736078 ~1984
424562384912477 ~1983
424574384914877 ~1983
424577984915597 ~1983
4245847679335538 ~1985
4245881339670498 ~1984
424601984920397 ~1983
4246159424615918 ~1984
424619984923997 ~1983
4246199764315838
42464096454541699 ~1987
4246717254803038 ~1984
424675184935037 ~1983
4246993254819598 ~1984
4246993679518898
4247057254823438 ~1984
424736384947277 ~1983
4247381254842878 ~1984
4247407424740718 ~1984
4247429339794338 ~1984
4247461679593778 ~1985
424747184949437 ~1983
4247819764607438 ~1985
Exp. Prime Factor Digits Year
42479179090542399 ~1988
4248019764643438 ~1985
4248037254882238 ~1984
4248253679720498 ~1985
4248539339883138 ~1984
424879184975837 ~1983
4248817254929038 ~1984
424891184978237 ~1983
4249159424915918 ~1984
424916384983277 ~1983
424921184984237 ~1983
4249211339936898
4249241339939298 ~1984
4249433594920638 ~1985
4249451339956098 ~1984
4249459424945918 ~1984
4249501254970078 ~1984
424952384990477 ~1983
4249537679925938 ~1985
424957184991437 ~1983
42497892039898739 ~1986
4249951424995118 ~1984
4249957679993138 ~1985
425006385001277 ~1983
4250177340014178 ~1984
Exp. Prime Factor Digits Year
4250219340017538 ~1984
4250287680045938 ~1985
42502991020071779 ~1985
425030385006077 ~1983
4250333595046638 ~1985
42503591020086179 ~1985
42503593060258499
425048385009677 ~1983
4250531340042498 ~1984
425059185011837 ~1983
425072385014477 ~1983
4250777595108798 ~1985
4250941255056478 ~1984
42509412975658719
4250993255059598 ~1984
4251031425103118 ~1984
4251199765215838 ~1985
4251349935296798 ~1985
4251461255087678 ~1984
4251601255096078 ~1984
4251629340130338 ~1984
4251629595228078
4251917595268398 ~1985
4251967425196718 ~1984
4252093255125598 ~1984
Exp. Prime Factor Digits Year
425221185044237 ~1983
425227185045437 ~1983
42524591020590179 ~1985
425251185050237 ~1983
4252519425251918 ~1984
425267985053597 ~1983
4252753935605678 ~1985
4252777255166638 ~1984
4252813255168798 ~1984
425282385056477 ~1983
4252877255172638 ~1984
425288385057677 ~1983
4252993255179598 ~1984
4253023425302318 ~1984
4253027765544878 ~1985
4253047425304718 ~1984
4253237255194238 ~1984
4253273255196398 ~1984
425335185067037 ~1983
425342385068477 ~1983
42534771276043119 ~1986
4253863425386318 ~1984
4254139425413918 ~1984
4254191340335298 ~1984
425431185086237 ~1983
641
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26-04-05