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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.
Exponent Prime Factor Digits Year
40693043813860878 ~1990
40693619813872398 ~1990
406940212441641279 ~1992
406940213255521699
40694123813882478 ~1990
40694471813889438 ~1990
40695251813905038 ~1990
40695727138365471910 ~1993
40695731813914638 ~1990
40695779813915598 ~1990
40695971813919438 ~1990
406961335697458639 ~1993
40696343813926878 ~1990
40696823813936478 ~1990
40696979813939598 ~1990
40698191813963838 ~1990
40698299813965998 ~1990
40698611813972238 ~1990
40698659813973198 ~1990
40698719813974398 ~1990
40699271813985438 ~1990
40700171814003438 ~1990
40700651814013038 ~1990
40701203814024078 ~1990
40701851814037038 ~1990
Exponent Prime Factor Digits Year
407031616512505779 ~1993
407034799768834979 ~1993
40703879814077598 ~1990
40703921130252547310 ~1993
40704311814086238 ~1990
40704743814094878 ~1990
40704971814099438 ~1990
407055412442332479 ~1992
40705583814111678 ~1990
40705859814117198 ~1990
40706339814126798 ~1990
40706579814131598 ~1990
40706663814133278 ~1990
40706951814139038 ~1990
407069573256556579 ~1992
40707083814141678 ~1990
40707143814142878 ~1990
407071793256574339 ~1992
407074613256596899 ~1992
40707839814156798 ~1990
407080994070809919 ~1992
40708163814163278 ~1990
40708331814166638 ~1990
40708571814171438 ~1990
40708691814173838 ~1990
Exponent Prime Factor Digits Year
40708799814175998 ~1990
40709171814183438 ~1990
407091775699284799 ~1993
40709759814195198 ~1990
40710479814209598 ~1990
407113972442683839 ~1992
40711709154704494310 ~1994
40711763814235278 ~1990
40711871814237438 ~1990
40712051814241038 ~1990
40712279814245598 ~1990
40713191814263838 ~1990
40713503814270078 ~1990
40713791814275838 ~1990
40713899814277998 ~1990
40713983814279678 ~1990
407141993257135939 ~1992
40714259814285198 ~1990
40714391814287838 ~1990
40714799814295998 ~1990
40715303814306078 ~1990
40715903814318078 ~1990
40716491814329838 ~1990
40716803814336078 ~1990
40716839814336798 ~1990
Exponent Prime Factor Digits Year
407175532443053199 ~1992
40717763814355278 ~1990
40717823814356478 ~1990
40718603814372078 ~1990
40719179814383598 ~1990
40719923814398478 ~1990
40720079814401598 ~1990
407201936938720887311 ~1998
40720583814411678 ~1990
40720643814412878 ~1990
40720931814418638 ~1990
40721183814423678 ~1990
407212516515400179 ~1993
40721399814427998 ~1990
40721459814429198 ~1990
40721591814431838 ~1990
40721819814436398 ~1990
407221516515544179 ~1993
40722323814446478 ~1990
407229372443376239 ~1992
40723019814460398 ~1990
40723043814460878 ~1990
40723283814465678 ~1990
40723799814475998 ~1990
407245339773887939 ~1993
2168
GIMPS The Prime Pages FactorDb.com
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26-08-02