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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
42395772034996979 ~1986
4239611339168898 ~1984
4239727678356338 ~1985
4239743133127930310 ~1988
4239821254389278 ~1984
42398534748635379 ~1987
4239877254392638 ~1984
423997184799437 ~1983
424009184801837 ~1983
424013984802797 ~1983
4240207424020718 ~1984
424045184809037 ~1983
424055984811197 ~1983
42405591017734179
4240603424060318 ~1984
4240721254443278 ~1984
42408111102610879 ~1985
4240849932986798 ~1985
4240981254458878 ~1984
424099184819837 ~1983
4241099339287938 ~1984
424141184828237 ~1983
424145984829197 ~1983
4241459339316738
4241539763477038 ~1985
Exp. Prime Factor Digits Year
424160384832077 ~1983
424166384833277 ~1983
424184384836877 ~1983
42418931272567919 ~1986
424190384838077 ~1983
4241987339358978 ~1984
4242169933277198 ~1985
424219184843837 ~1983
4242661254559678 ~1984
4242761254565678 ~1984
424283984856797 ~1983
42429191782025999 ~1986
424313984862797 ~1983
424319984863997 ~1983
4243279122206435310 ~1988
424339184867837 ~1983
424361984872397 ~1983
4243667339493378 ~1984
424397984879597 ~1983
424409984881997 ~1983
4244311679089778 ~1985
4244333594206638 ~1985
42443331273299919
4244417254665038 ~1984
4244417175718863910
Exp. Prime Factor Digits Year
4244447339555778 ~1984
4244477594226798 ~1985
4244479424447918 ~1984
4244497254669838 ~1984
4244621254677278 ~1984
4244621339569698
4244753254685198 ~1984
424481984896397 ~1983
4244927339594178 ~1984
424496384899277 ~1983
4245337254720238 ~1984
4245601254736078 ~1984
424562384912477 ~1983
424574384914877 ~1983
424577984915597 ~1983
4245847679335538 ~1985
4245881339670498 ~1984
424601984920397 ~1983
4246159424615918 ~1984
424619984923997 ~1983
42464096454541699 ~1987
4246717254803038 ~1984
424675184935037 ~1983
4246993254819598 ~1984
4246993679518898
Exp. Prime Factor Digits Year
4247057254823438 ~1984
424736384947277 ~1983
4247381254842878 ~1984
4247407424740718 ~1984
4247429339794338 ~1984
4247461679593778 ~1985
424747184949437 ~1983
42479179090542399 ~1988
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
639
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26-03-15