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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.
Exponent Prime Factor Digits Year
40868783817375678 ~1990
40868903817378078 ~1990
40869611817392238 ~1990
408697975721771599 ~1992
40870751817415038 ~1990
408721973269775779 ~1992
408733332452399999 ~1992
40874651817493038 ~1990
408748313269986499 ~1992
408749594087495919 ~1992
40875179817503598 ~1990
40875959817519198 ~1990
40876067204380335110 ~1994
408770093270160739 ~1992
40877183817543678 ~1990
408797538993545679 ~1993
40879859817597198 ~1990
408799572452797439 ~1992
408814397358659039 ~1993
40881623817632478 ~1990
40883159817663198 ~1990
40884059817681198 ~1990
40885583817711678 ~1990
40886123817722478 ~1990
40886771817735438 ~1990
Exponent Prime Factor Digits Year
408872993270983939 ~1992
408881474088814719 ~1992
40888283817765678 ~1990
408890532453343199 ~1992
40889099817781998 ~1990
408904313271234499 ~1992
40890779817815598 ~1990
40891379817827598 ~1990
408942917360972399 ~1993
408956714089567119 ~1992
40896059817921198 ~1990
40896743817934878 ~1990
408973917361530399 ~1993
40899863817997278 ~1990
40900523818010478 ~1990
40900537188142470310 ~1994
409006812454040879 ~1992
40901771818035438 ~1990
409018012454108079 ~1992
40902539818050798 ~1990
40902899818057998 ~1990
40903883818077678 ~1990
40906363261800723310 ~1994
40906493229076360910 ~1994
40906583818131678 ~1990
Exponent Prime Factor Digits Year
40907939818158798 ~1990
40908779818175598 ~1990
40909139818182798 ~1990
40910231818204638 ~1990
409111793272894339 ~1992
40911659818233198 ~1990
40911863818237278 ~1990
409122132454732799 ~1992
409124714091247119 ~1992
40913651818273038 ~1990
409162073273296579 ~1992
40917143818342878 ~1990
409183132455098799 ~1992
40919699818393998 ~1990
409196997365545839
40920083818401678 ~1990
40920359818407198 ~1990
409207013273656099 ~1992
40920791818415838 ~1990
409213517365843199 ~1993
409217873273742979 ~1992
40921931818438638 ~1990
409223532455341199 ~1992
40922891818457838 ~1990
40923203818464078 ~1990
Exponent Prime Factor Digits Year
409244212455465279 ~1992
40924421155512799910
409247572455485439 ~1992
40926491818529838 ~1990
409268695729761679 ~1992
40930139818602798 ~1990
409311674093116719 ~1992
40932851818657038 ~1990
40932959818659198 ~1990
409346517368237199 ~1993
40934819171926239910 ~1994
40934891818697838 ~1990
409352477368344479 ~1993
409356117368409999 ~1993
409357732456146399 ~1992
40935803818716078 ~1990
40936691818733838 ~1990
40936919818738398 ~1990
40936979818739598 ~1990
409373412456240479 ~1992
409391172456347039 ~1992
40939583818791678 ~1990
40940279818805598 ~1990
40940771818815438 ~1990
40940843818816878 ~1990
1919
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25-04-13