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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
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
6224611622461118 ~1986
Exp. Prime Factor Digits Year
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
6228317498265378 ~1986
Exp. Prime Factor Digits Year
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
6231697373901838 ~1985
Exp. Prime Factor Digits Year
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
6235081997612978 ~1986
6235133872918638 ~1986
6235373374122398 ~1985
6235643124712878 ~1984
62357777482932419 ~1988
807
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26-03-29