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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
6224201373452078 ~1985
6224279124485598 ~1984
6224279497942338
6224483124489678 ~1984
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
Exp. Prime Factor Digits Year
6227891124557838 ~1984
6228203124564078 ~1984
6228251498260098 ~1986
6228263124565278 ~1984
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
Exp. Prime Factor Digits Year
6231613373896798 ~1985
6231629872428078 ~1986
6231661997065778 ~1986
6231679623167918 ~1986
6231697373901838 ~1985
6231853373911198 ~1985
6231887498550978 ~1986
6232277373936638 ~1985
6232363250540992710 ~1990
6232423623242318 ~1986
6232619124652398 ~1984
6232991124659838 ~1984
6233039124660798 ~1984
6233039498643138
6233267498661378 ~1986
62335671496056099 ~1987
6233603124672078 ~1984
6233879124677598 ~1984
6234211997473778 ~1986
6234247623424718 ~1986
6234253374055198 ~1985
6234407214463600910 ~1990
62345599601220879 ~1989
62347632119819439 ~1987
62348834489115779 ~1988
Exp. Prime Factor Digits Year
6235081997612978 ~1986
6235133872918638 ~1986
6235373374122398 ~1985
6235643124712878 ~1984
62357777482932419 ~1988
6236299623629918 ~1986
62362991496711779
6236353374181198 ~1985
6236423124728478 ~1984
6236459124729198 ~1984
62367432494697219 ~1987
6236771124735438 ~1984
6237061374223678 ~1985
6237191124743838 ~1984
6237251124745038 ~1984
6237373168409071110 ~1989
6237383124747678 ~1984
62374091372229999 ~1987
6237773873288238 ~1986
6238147623814718 ~1986
6238283124765678 ~1984
6238307499064578 ~1986
6238663623866318 ~1986
6238751499100098 ~1986
62387511122975199
811
GIMPS The Prime Pages FactorDb.com
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26-05-10