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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
38995091779901838 ~1990
38995751779915038 ~1990
38995811779916238 ~1990
38995871779917438 ~1990
38997071779941438 ~1990
38997131779942638 ~1990
38999063779981278 ~1990
38999843779996878 ~1990
390000012340000079 ~1991
390007212340043279 ~1991
39000971780019438 ~1990
39001103780022078 ~1990
39001883780037678 ~1990
39003131780062638 ~1990
39003683780073678 ~1990
39003803780076078 ~1990
39003911780078238 ~1990
39004151780083038 ~1990
39004319780086398 ~1990
39004643780092878 ~1990
39005243780104878 ~1990
39005399780107998 ~1990
39006839780136798 ~1990
390068812340412879 ~1991
39006923780138478 ~1990
Exponent Prime Factor Digits Year
39007343780146878 ~1990
39007499780149998 ~1990
390075473120603779 ~1992
390076993900769919 ~1992
39007763780155278 ~1990
390085273900852719 ~1992
39008831780176638 ~1990
390091612340549679 ~1991
39009539780190798 ~1990
39010943780218878 ~1990
39011663780233278 ~1990
39011939780238798 ~1990
39011963780239278 ~1990
39012191780243838 ~1990
39012251780245038 ~1990
39012359780247198 ~1990
39012371780247438 ~1990
39012971780259438 ~1990
390139073121112579 ~1992
390145932340875599 ~1991
39015083780301678 ~1990
390152113901521119 ~1992
39015551780311038 ~1990
39015563780311278 ~1990
39015677117047031110 ~1993
Exponent Prime Factor Digits Year
39015719780314398 ~1990
390159313901593119 ~1992
39016151780323038 ~1990
39016403780328078 ~1990
39017123780342478 ~1990
39017243780344878 ~1990
39018359780367198 ~1990
39018443780368878 ~1990
390184932341109599 ~1991
39019163780383278 ~1990
39019439780388798 ~1990
39019499780389998 ~1990
39020183780403678 ~1990
39020291780405838 ~1990
39020483780409678 ~1990
39020519780410398 ~1990
39020603780412078 ~1990
39020843780416878 ~1990
39020963780419278 ~1990
39021263780425278 ~1990
39021431780428638 ~1990
39021551780431038 ~1990
39021623780432478 ~1990
390217679365224099 ~1993
39022331780446638 ~1990
Exponent Prime Factor Digits Year
39022391780447838 ~1990
39022499780449998 ~1990
390226313121810499 ~1992
390227412341364479 ~1991
39023291780465838 ~1990
390236093121888739 ~1992
39023903780478078 ~1990
39024131780482638 ~1990
390242772341456639 ~1991
39024371780487438 ~1990
39024383780487678 ~1990
39024539780490798 ~1990
39024659780493198 ~1990
39024959780499198 ~1990
39025391780507838 ~1990
39025631780512638 ~1990
39025643780512878 ~1990
39025801842957301710 ~1995
39025823780516478 ~1990
39026159780523198 ~1990
39026651780533038 ~1990
39026831780536638 ~1990
39027179780543598 ~1990
39027731780554638 ~1990
39027743780554878 ~1990
2119
GIMPS The Prime Pages FactorDb.com
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26-07-19