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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
46831511936630238 ~1991
468323273746586179 ~1992
468330896556632479 ~1993
46836791936735838 ~1991
46837751936755038 ~1991
468388493747107939 ~1992
46839059936781198 ~1991
468402713747221699 ~1992
46840751936815038 ~1991
46840883936817678 ~1991
46842839936856798 ~1991
46843499149899196910 ~1994
468449332810695999 ~1992
468451198432121439 ~1993
46848239936964798 ~1991
46849559936991198 ~1991
46850603937012078 ~1991
46850711937014238 ~1991
46851179937023598 ~1991
46854179937083598 ~1991
46857131937142638 ~1991
468572772811436639 ~1992
46860059937201198 ~1991
468620513748964099 ~1992
46863863937277278 ~1991
Exponent Prime Factor Digits Year
468640612811843679 ~1992
46864379937287598 ~1991
46864943937298878 ~1991
46865543937310878 ~1991
468662771002938327911 ~1996
468670812812024879 ~1992
46867259937345198 ~1991
468672977498767539 ~1993
46868369253089192710 ~1994
46868891937377838 ~1991
46869071937381438 ~1991
46870919112490205710 ~1994
46871543937430878 ~1991
46872191937443838 ~1991
46872803937456078 ~1991
468728696562201679 ~1993
46873451937469038 ~1991
46873511937470238 ~1991
46873943937478878 ~1991
46875011937500238 ~1991
468750773750006179 ~1992
46875659937513198 ~1991
46876523937530478 ~1991
46876943937538878 ~1991
468769793750158339 ~1992
Exponent Prime Factor Digits Year
46877339937546798 ~1991
468791772812750639 ~1992
46879643937592878 ~1991
46879691937593838 ~1991
46880243937604878 ~1991
46880903937618078 ~1991
468809936563339039 ~1993
46882837215661050310 ~1994
468841518439147199 ~1993
46884263937685278 ~1991
468849194688491919 ~1993
468854932813129599 ~1992
468861732813170399 ~1992
46886639937732798 ~1991
468883132813298799 ~1992
46888883937777678 ~1991
468891914688919119 ~1993
46889641187558564110 ~1994
46891283937825678 ~1991
46892047159432959910 ~1994
46892099937841998 ~1991
46894643937892878 ~1991
46895279937905598 ~1991
46895423937908478 ~1991
468954917503278579 ~1993
Exponent Prime Factor Digits Year
46895939937918798 ~1991
468960893751687139 ~1992
469010878442195679 ~1993
46901303938026078 ~1991
469022772814136639 ~1992
46902731938054638 ~1991
46904579938091598 ~1991
46905563938111278 ~1991
46905959938119198 ~1991
469059772814358639 ~1992
469068972814413839 ~1992
46908299938165998 ~1991
46908791938175838 ~1991
46910399938207998 ~1991
46910543938210878 ~1991
46912091938241838 ~1991
46912259938245198 ~1991
469126612814759679 ~1992
46912991938259838 ~1991
46913159938263198 ~1991
46913411938268238 ~1991
46915103938302078 ~1991
469153736568152239 ~1993
46915691938313838 ~1991
469157513753260099 ~1992
1997
GIMPS The Prime Pages FactorDb.com
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25-04-13