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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
40695971813919438 ~1990
406961335697458639 ~1992
40696343813926878 ~1990
40698191813963838 ~1990
40698299813965998 ~1990
40698611813972238 ~1990
407034799768834979 ~1993
40703921130252547310 ~1993
40704743814094878 ~1990
40706579814131598 ~1990
40706951814139038 ~1990
407069573256556579 ~1992
40707083814141678 ~1990
407071793256574339 ~1992
407074613256596899 ~1992
40708799814175998 ~1990
40709171814183438 ~1990
407091775699284799 ~1992
40709759814195198 ~1990
40710479814209598 ~1990
407113972442683839 ~1992
40711709154704494310 ~1994
40711763814235278 ~1990
40711871814237438 ~1990
40712051814241038 ~1990
Exponent Prime Factor Digits Year
40712279814245598 ~1990
40713503814270078 ~1990
40713791814275838 ~1990
40713899814277998 ~1990
40713983814279678 ~1990
407141993257135939 ~1992
40714799814295998 ~1990
40715303814306078 ~1990
40716491814329838 ~1990
40716803814336078 ~1990
40716839814336798 ~1990
407175532443053199 ~1992
40717823814356478 ~1990
40719923814398478 ~1990
40720079814401598 ~1990
40720583814411678 ~1990
40721183814423678 ~1990
407212516515400179 ~1993
407221516515544179 ~1993
40722323814446478 ~1990
407229372443376239 ~1992
40723043814460878 ~1990
40723283814465678 ~1990
40723799814475998 ~1990
407245339773887939 ~1993
Exponent Prime Factor Digits Year
407259773258078179 ~1992
40726799814535998 ~1990
40727363814547278 ~1990
407298132443788799 ~1992
407318932443913599 ~1992
40732271814645438 ~1990
40734203814684078 ~1990
407343012444058079 ~1992
40734457122203371110 ~1993
40734563814691278 ~1990
40734959814699198 ~1990
407355713258845699 ~1992
40736419162945676110 ~1994
407366993258935939 ~1992
40737971814759438 ~1990
407386516518184179 ~1993
40738811814776238 ~1990
407391972444351839 ~1992
40740599814811998 ~1990
40740611814812238 ~1990
40740779814815598 ~1990
407408273259266179 ~1992
40741451814829038 ~1990
40742657195564753710 ~1994
40743431814868638 ~1990
Exponent Prime Factor Digits Year
40743779814875598 ~1990
407438212444629279 ~1992
40744079814881598 ~1990
40744883814897678 ~1990
40745951814919038 ~1990
40746683814933678 ~1990
40747403814948078 ~1990
40747991814959838 ~1990
40748243130394377710 ~1993
40748423814968478 ~1990
40749179814983598 ~1990
40749239814984798 ~1990
407504693260037539 ~1992
40750499815009998 ~1990
40751759815035198 ~1990
40755059815101198 ~1990
40755109163020436110 ~1994
407554613260436899 ~1992
40755479815109598 ~1990
40755971815119438 ~1990
407564812445388879 ~1992
40756741187481008710 ~1994
407576772445460639 ~1992
407577077336387279 ~1993
40758803815176078 ~1990
1963
GIMPS The Prime Pages FactorDb.com
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25-07-08