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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
4776209668669278 ~1985
4776599382127938 ~1985
47766011050852239 ~1986
47766414107911279 ~1987
4776647382131778 ~1985
477667195533437 ~1983
477668395533677 ~1983
4776713286602798 ~1984
477683995536797 ~1983
47769292579541679 ~1987
477704395540877 ~1983
477721195544237 ~1983
47772771146546499 ~1986
47774816019626079 ~1988
477752395550477 ~1983
4777727382218178 ~1985
4777811382224898 ~1985
477782395556477 ~1983
477818395563677 ~1983
477830395566077 ~1983
4778407477840718 ~1985
4778489382279138 ~1985
4778567382285378 ~1985
47787771146906499 ~1986
477919195583837 ~1983
Exp. Prime Factor Digits Year
4779371382349698 ~1985
47797991625131679 ~1986
477985195597037 ~1983
4780007382400578 ~1985
47800792390039519 ~1987
478019995603997 ~1983
4780361286821678 ~1984
47805071625372399 ~1986
478070395614077 ~1983
478082395616477 ~1983
478093195618637 ~1983
4780957286857438 ~1984
4781039382483138 ~1985
478135195627037 ~1983
4781489669408478 ~1985
478151995630397 ~1983
47815276598507279 ~1988
478153195630637 ~1983
4781737286904238 ~1984
4781761286905678 ~1984
478183195636637 ~1983
478213195642637 ~1983
4782161286929678 ~1984
478219195643837 ~1983
4782311382584898 ~1985
Exp. Prime Factor Digits Year
4782571478257118 ~1985
4782607478260718 ~1985
4782971382637698 ~1985
478328395665677 ~1983
4783469382677538 ~1985
4783523111934438310 ~1988
4783577382686178 ~1985
4783589267880984110 ~1989
478397995679597 ~1983
4784009669761278 ~1985
4784057669767998 ~1985
4784501382760098 ~1985
47845036889684339 ~1988
47849217273079939 ~1988
4784947478494718 ~1985
4785101287106078 ~1984
47851131435533919 ~1986
478525195705037 ~1983
4785373287122398 ~1984
478538395707677 ~1983
4785419382833538 ~1985
478561195712237 ~1983
47856233158511199 ~1987
47860492584466479 ~1987
4786051478605118 ~1985
Exp. Prime Factor Digits Year
478609195721837 ~1983
4786193287171598 ~1984
478634395726877 ~1983
4786471478647118 ~1985
4786697287201838 ~1984
4786697670137598
478670395734077 ~1983
47867031244542799
478706395741277 ~1983
478733995746797 ~1983
4787593287255598 ~1984
4787597287255838 ~1984
4787771383021698 ~1985
4787803478780318 ~1985
478801195760237 ~1983
478813195762637 ~1983
4788731383098498 ~1985
4788733287323998 ~1984
47887571149301699 ~1986
47887672298608179 ~1987
478886395777277 ~1983
4788929383114338 ~1985
4789073287344398 ~1984
478909195781837 ~1983
478919995783997 ~1983
664
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25-06-01