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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
404804380960877 ~1983
4048211728677998 ~1985
40486137368475679 ~1987
404861980972397 ~1983
4048697242921838 ~1984
4048697566817598
404899180979837 ~1983
4049153566881438 ~1985
4049207323936578 ~1984
4049327323946178 ~1984
404939980987997 ~1983
404947180989437 ~1983
4049897566985598 ~1985
4050133243007998 ~1984
4050133972031938
4050701324056098 ~1984
405073181014637 ~1983
4050821243049278 ~1984
405089981017997 ~1983
4050899729161838
405098381019677 ~1983
4051499324119938 ~1984
405151181030237 ~1983
4051513243090798 ~1984
4051613567225838 ~1985
Exp. Prime Factor Digits Year
405199181039837 ~1983
405209981041997 ~1983
4052173243130398 ~1984
405223181044637 ~1983
4052231324178498
4052687324214978 ~1984
4052767405276718 ~1984
4052773648443698 ~1985
4052803972672738 ~1985
4052813243168798 ~1984
40529211945402099 ~1986
4052957243177438 ~1984
4053311324264898 ~1984
405332381066477 ~1983
4053331648532978 ~1985
4053437567481198 ~1985
4053473243208398 ~1984
405355181071037 ~1983
405361181072237 ~1983
40537611540429199 ~1986
40538693162017839 ~1986
405397181079437 ~1983
405413981082797 ~1983
4054159405415918 ~1984
4054247973019298 ~1985
Exp. Prime Factor Digits Year
405449981089997 ~1983
4054753243285198 ~1984
4055053892111678 ~1985
4055167405516718 ~1984
4055399973295778 ~1985
405542381108477 ~1983
4055431648868978 ~1985
4055477567766798 ~1985
4055551405555118 ~1984
405565181113037 ~1983
4055651324452098
4055897243353838 ~1984
4055899730061838 ~1985
405602381120477 ~1983
4056287730131678 ~1985
4056517243391038 ~1984
4056601243396078 ~1984
4056641324531298 ~1984
4056737243404238 ~1984
405674381134877 ~1983
4056847405684718 ~1984
405701981140397 ~1983
4057021243421278 ~1984
4057091324567298 ~1984
405710381142077 ~1983
Exp. Prime Factor Digits Year
405713981142797 ~1983
4057297243437838 ~1984
405737981147597 ~1983
4057513649202098 ~1985
4057553568057438 ~1985
4057813649250098 ~1985
4057829568096078 ~1985
40578531298512979 ~1986
405806381161277 ~1983
4058101649296178 ~1985
4058317649330738 ~1985
4058333243499998 ~1984
405839981167997 ~1983
405842381168477 ~1983
4058473243508398 ~1984
4058477324678178 ~1984
4058519324681538 ~1984
405889181177837 ~1983
4058969324717538 ~1984
405911981182397 ~1983
4059361649497778 ~1985
4059371324749698 ~1984
4059439730699038 ~1985
40594433247554419 ~1987
405968381193677 ~1983
613
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25-11-17