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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
49793039995860798 ~1991
49793279995865598 ~1991
49793291995865838 ~1991
497936417966982579 ~1993
49794539995890798 ~1991
49794599995891998 ~1991
49795859995917198 ~1991
497960513983684099 ~1993
49796303995926078 ~1991
49796471995929438 ~1991
49797409109554299910 ~1994
497985012987910079 ~1992
49798823995976478 ~1991
49801343996026878 ~1991
498022613984180899 ~1993
49802303996046078 ~1991
49802411996048238 ~1991
49803371996067438 ~1991
49804283996085678 ~1991
49804379996087598 ~1991
498055136972771839 ~1993
49805831996116638 ~1991
498071332988427999 ~1992
49809251996185038 ~1991
498107572988645439 ~1992
Exponent Prime Factor Digits Year
49812083996241678 ~1991
49812263996245278 ~1991
49812863996257278 ~1991
49814591996291838 ~1991
49816703996334078 ~1991
49817237149451711110 ~1994
49818971996379438 ~1991
49819489149458467110 ~1994
49819559996391198 ~1991
49821659996433198 ~1991
498232692660562564711 ~1997
49823633279012344910 ~1995
49823831996476638 ~1991
49824779996495598 ~1991
49824839996496798 ~1991
49825151996503038 ~1991
498252317972036979 ~1993
498258914982589119 ~1993
498260532989563199 ~1992
498262372989574239 ~1992
49826663996533278 ~1991
49827359996547198 ~1991
49828043996560878 ~1991
49828799996575998 ~1991
498288132989728799 ~1992
Exponent Prime Factor Digits Year
498293478969282479 ~1993
49835053508317540710 ~1995
49837379996747598 ~1991
49837751996755038 ~1991
49838699996773998 ~1991
498396532990379199 ~1992
49842791996855838 ~1991
49844471996889438 ~1991
498455177975282739 ~1993
49846763996935278 ~1991
498470532990823199 ~1992
498470813987766499 ~1993
498474372990846239 ~1992
49848791996975838 ~1991
498496037975936499 ~1993
498515212991091279 ~1992
498516293988130339 ~1993
49852139997042798 ~1991
49852343997046878 ~1991
49852391997047838 ~1991
49852457119645896910 ~1994
498526976979377599 ~1993
49853519239296891310 ~1994
49854611997092238 ~1991
49854923997098478 ~1991
Exponent Prime Factor Digits Year
49855853279192776910 ~1995
49856039997120798 ~1991
49856069358963696910 ~1995
49856363997127278 ~1991
498565073988520579 ~1993
49856531997130638 ~1991
498577012991462079 ~1992
498590777977452339 ~1993
49859651997193038 ~1991
49862363997247278 ~1991
49862531997250638 ~1991
49863491997269838 ~1991
498684732992108399 ~1992
49869367239372961710 ~1994
49869791997395838 ~1991
49869863997397278 ~1991
498700994987009919 ~1993
49871161109716554310 ~1994
49872983997459678 ~1991
49873871997477438 ~1991
498747012992482079 ~1992
49875011997500238 ~1991
49875599997511998 ~1991
49876091997521838 ~1991
49876199997523998 ~1991
2031
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25-04-13