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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
4957321297439278 ~1984
495755999151197 ~1983
495770399154077 ~1983
4957751396620098 ~1985
4957781297466878 ~1984
49578191189876579 ~1986
4957873297472398 ~1984
4958251793320178 ~1985
4958497312385311110 ~1989
49586171190068099 ~1986
4958651396692098 ~1985
4958659495865918 ~1985
495887999177597 ~1983
4958893297533598 ~1984
4958957396716578 ~1985
4959079495907918 ~1985
4959341297560478 ~1984
495937199187437 ~1983
4959371396749698
4959637297578238 ~1984
495971999194397 ~1983
49600491587215699 ~1986
49600975158500899 ~1987
49601171488035119 ~1986
4960169694423678 ~1985
Exp. Prime Factor Digits Year
4960181396814498 ~1985
496022399204477 ~1983
496039199207837 ~1983
496045199209037 ~1983
49605192083417999 ~1987
496106399221277 ~1983
49611194465007119 ~1987
4961321396905698 ~1985
4961339396907138 ~1985
4961497297689838 ~1984
4961633297697998 ~1984
49617831587770579 ~1986
496213199242637 ~1983
496214399242877 ~1983
4962163496216318 ~1985
4962257297735438 ~1984
496231199246237 ~1983
496232399246477 ~1983
4962367496236718 ~1985
4962571496257118 ~1985
4962677123074389710 ~1988
496271999254397 ~1983
4962731893291598 ~1986
4962751496275118 ~1985
496280399256077 ~1983
Exp. Prime Factor Digits Year
4962869397029538 ~1985
496291199258237 ~1983
4962977397038178 ~1985
4963061297783678 ~1984
4963243496324318 ~1985
4963363496336318 ~1985
496339199267837 ~1983
496349999269997 ~1983
496355999271197 ~1983
4963859397108738 ~1985
4963891154873399310 ~1989
496424399284877 ~1983
496447199289437 ~1983
4964471397157698
4964489397159138 ~1985
496457999291597 ~1983
496483199296637 ~1983
496495199299037 ~1983
4965269695137678 ~1985
4965419397233538 ~1985
4965451496545118 ~1985
4965689397255138 ~1985
496573199314637 ~1983
496579199315837 ~1983
496615199323037 ~1983
Exp. Prime Factor Digits Year
4966267794602738 ~1985
4966393297983598 ~1984
4966531496653118 ~1985
49667991192031779 ~1986
4966817695354398 ~1985
49670411986816419 ~1986
4967069397365538 ~1985
4967153298029198 ~1984
4967201397376098 ~1985
4967309397384738 ~1985
496741199348237 ~1983
4967411397392898
496778399355677 ~1983
4967801298068078 ~1984
4967827894208878 ~1986
49679931589757779 ~1986
4968037298082238 ~1984
496805999361197 ~1983
4968133298087998 ~1984
4968241794918578 ~1985
4968611128190163910 ~1988
4968731397498498 ~1985
4969093298145598 ~1984
496919999383997 ~1983
4969319397545538 ~1985
692
GIMPS The Prime Pages FactorDb.com
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25-10-26