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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
6216761939974263310 ~1991
6216773373006398 ~1985
6216887497350978 ~1986
6217051994728178 ~1986
6217103124342078 ~1984
6217657373059438 ~1985
62179431989741779 ~1987
6218189497455138 ~1986
6218357870569998 ~1986
62184171865525119 ~1987
62185392114303279 ~1987
6218759124375198 ~1984
6219041373142478 ~1985
62192871119471679 ~1986
6219371124387438 ~1984
6219443124388878 ~1984
6219847621984718 ~1986
6219971497597698 ~1986
62203991119671839 ~1986
6220457497636578 ~1986
6220633373237998 ~1985
6220751124415038 ~1984
6220817497665378 ~1986
6221077373264638 ~1985
62211233483828899 ~1988
Exp. Prime Factor Digits Year
6221161995385778 ~1986
6221309388209681710 ~1990
6221543124430878 ~1984
6221693871037038 ~1986
6221833373309998 ~1985
6221951124439038 ~1984
6221981497758498 ~1986
6222011124440238 ~1984
6222113373326798 ~1985
6222383124447678 ~1984
6222439622243918 ~1986
6222457373347438 ~1985
62227432613552079 ~1987
6222817373369038 ~1985
6222877373372638 ~1985
62231217841132479 ~1988
6223171622317118 ~1986
6223439124468798 ~1984
6223739497899138 ~1986
6224017373441038 ~1985
6224041373442478 ~1985
6224201373452078 ~1985
6224279124485598 ~1984
6224279497942338
6224483124489678 ~1984
Exp. Prime Factor Digits Year
6224611622461118 ~1986
6224759124495198 ~1984
6225223622522318 ~1986
6225551498044098 ~1986
62257332863837199 ~1987
6225839124516798 ~1984
6225899124517998 ~1984
6225917373555038 ~1985
62259791494234979 ~1987
62260071120681279 ~1986
6226361498108898 ~1986
6226523124530478 ~1984
62267411369883039 ~1987
6226769498141538 ~1986
6226931124538638 ~1984
62270291369946399 ~1987
6227267498181378 ~1986
6227471124549438 ~1984
6227579498206338 ~1986
6227653373659198 ~1985
62278671121016079 ~1986
6227891124557838 ~1984
6228203124564078 ~1984
6228251498260098 ~1986
6228263124565278 ~1984
Exp. Prime Factor Digits Year
6228317498265378 ~1986
6228361373701678 ~1985
6228449498275938 ~1986
6228553373713198 ~1985
6228983124579678 ~1984
6229103124582078 ~1984
6229213373752798 ~1985
6229319124586398 ~1984
6229439124588798 ~1984
6229451124589038 ~1984
6229799124595998 ~1984
6229813373788798 ~1985
6230047623004718 ~1986
6230351124607038 ~1984
62303598099466719 ~1989
6230501373830078 ~1985
6230771124615438 ~1984
6230797373847838 ~1985
6231383124627678 ~1984
6231419124628398 ~1984
6231427623142718 ~1986
6231613373896798 ~1985
6231629872428078 ~1986
6231661997065778 ~1986
6231679623167918 ~1986
802
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26-02-08