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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
7640141611211298 ~1986
7640183152803678 ~1985
7640351152807038 ~1985
7640357611228578 ~1986
7640377458422638 ~1986
76407071375327279 ~1987
7640723152814478 ~1985
7640821458449278 ~1986
76409331069730639 ~1987
7641131152822638 ~1985
7641197458471838 ~1986
7641241458474478 ~1986
7641353458481198 ~1986
7641479152829598 ~1985
7641671152833438 ~1985
76417093056683619 ~1988
7641839152836798 ~1985
7642139152842798 ~1985
7642403152848078 ~1985
7642577458554638 ~1986
7642681458560878 ~1986
7642931152858638 ~1985
7642963764296318 ~1986
7643033458581998 ~1986
7643039152860798 ~1985
Exp. Prime Factor Digits Year
7643473458608398 ~1986
7643543152870878 ~1985
7643717458623038 ~1986
7643807611504578 ~1986
7643879611510338 ~1986
76441573057662819 ~1988
7644433458665998 ~1986
7644803152896078 ~1985
7644997458699838 ~1986
7645433458725998 ~1986
7645663764566318 ~1986
7645753458745198 ~1986
7646033458761998 ~1986
76460831223373299 ~1987
76461292293838719 ~1988
7646231152924638 ~1985
76462632599729439 ~1988
7646279152925598 ~1985
7646293458777598 ~1986
7646501458790078 ~1986
7646519152930398 ~1985
7646843152936878 ~1985
7646861458811678 ~1986
7646993458819598 ~1986
7647071152941438 ~1985
Exp. Prime Factor Digits Year
76473471835363299 ~1987
76473771070632799 ~1987
7647587611806978 ~1986
7647839611827138 ~1986
7647881458872878 ~1986
7648019611841538 ~1986
7648031152960638 ~1985
7648057458883438 ~1986
76481637342236499 ~1989
7648327764832718 ~1986
7648391152967838 ~1985
7648439611875138 ~1986
7648703152974078 ~1985
7648757611900578 ~1986
7648897458933838 ~1986
7649021458941278 ~1986
7649231152984638 ~1985
7649413458964798 ~1986
7649459152989198 ~1985
76494591835870179
7649641458978478 ~1986
7649671191241775110 ~1990
7649801458988078 ~1986
7649953458997198 ~1986
7650121459007278 ~1986
Exp. Prime Factor Digits Year
7650257459015438 ~1986
7650347612027778 ~1986
7650389612031138 ~1986
7650719153014398 ~1985
7651097459065838 ~1986
7651151153023038 ~1985
76512112448387539 ~1988
7651643153032878 ~1985
7652017459121038 ~1986
7652119765211918 ~1986
7652213459132798 ~1986
7652471153049438 ~1985
7652693459161598 ~1986
7652783153055678 ~1985
7653047612243778 ~1986
7653263153065278 ~1985
7653313459198798 ~1986
76536231836869539 ~1987
76536911377664399 ~1987
7653761459225678 ~1986
7653797459227838 ~1986
7654499153089998 ~1985
7654571612365698 ~1986
76546494745882399 ~1988
7654873459292398 ~1986
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24-10-27