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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
4924597787935538 ~1985
49246071280397839 ~1986
49250779357646319 ~1988
49251592462579519 ~1987
4925293295517598 ~1984
492536398507277 ~1983
4925471394037698 ~1985
492566398513277 ~1983
4925797295547838 ~1984
4925797788127538
4925831394066498 ~1985
49259571477787119 ~1986
4926247492624718 ~1985
49262831182307939 ~1986
492637198527437 ~1983
4926641295598478 ~1984
492673198534637 ~1983
4926791394143298 ~1985
492685198537037 ~1983
4927007394160578 ~1985
492719998543997 ~1983
4927199394175938
492728398545677 ~1983
492731998546397 ~1983
49275671182616099 ~1986
Exp. Prime Factor Digits Year
492782398556477 ~1983
492793198558637 ~1983
492821998564397 ~1983
4928237689953198 ~1985
49283216308250899 ~1988
492847198569437 ~1983
4928491788558578 ~1985
4928549394283938 ~1985
492863998572797 ~1983
492866398573277 ~1983
4928717690020398 ~1985
49287191182892579 ~1986
49287234435850719 ~1987
4928747394299778 ~1985
4928933690050638 ~1985
49290912858872799 ~1987
4929191394335298 ~1985
492973198594637 ~1983
4929737394378978 ~1985
4929893295793598 ~1984
493015198603037 ~1983
4930231493023118 ~1985
4930279493027918 ~1985
49302971972118819 ~1986
4930339493033918 ~1985
Exp. Prime Factor Digits Year
4930553295833198 ~1984
4930589690282478 ~1985
493070398614077 ~1983
4930873295852398 ~1984
4930973295858398 ~1984
49311491183475779 ~1986
493115998623197 ~1983
4931231394498498 ~1985
4931477394518178 ~1985
49315391676723279 ~1986
4931623493162318 ~1985
493165198633037 ~1983
4931657690431998 ~1985
4931687394534978 ~1985
4931779493177918 ~1985
49318331479549919 ~1986
493187998637597 ~1983
4931947493194718 ~1985
4932073295924398 ~1984
4932073789131698
49321079568287599 ~1988
4932287394582978 ~1985
4932437295946238 ~1984
49324612762178179 ~1987
4932497394599778 ~1985
Exp. Prime Factor Digits Year
493267198653437 ~1983
4932671887880798
4932757789241138 ~1985
4932859887914638 ~1986
49332833551963779 ~1987
4933363493336318 ~1985
4933373296002398 ~1984
4933457296007438 ~1984
493349998669997 ~1983
4933783493378318 ~1985
493381198676237 ~1983
49338111282790879
493397998679597 ~1983
493418398683677 ~1983
4934221296053278 ~1984
493439998687997 ~1983
4934513296070798 ~1984
493454398690877 ~1983
4934977789596338 ~1985
4935053296103198 ~1984
4935061789609778 ~1985
4935149394811938 ~1985
493532398706477 ~1983
4935391789662578 ~1985
493550398710077 ~1983
700
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26-03-08