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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
4039589565542478 ~1985
4039597242375838 ~1984
4039831403983118 ~1984
4039949565592878 ~1985
40399573151166479 ~1986
403999180799837 ~1983
4040011727201998 ~1985
40400212504813039 ~1986
40402871616114819 ~1986
404041180808237 ~1983
4040573565680238 ~1985
40406831697086879 ~1986
4040921242455278 ~1984
4041073646571698 ~1985
4041203969888738 ~1985
4041361646617778 ~1985
4041581242494878 ~1984
404168380833677 ~1983
4041883970051938 ~1985
404189980837997 ~1983
4041931404193118 ~1984
4041979404197918 ~1984
4042057144705640710 ~1988
404216380843277 ~1983
404233180846637 ~1983
Exp. Prime Factor Digits Year
4042333646773298 ~1985
4042471404247118 ~1984
4042543404254318 ~1984
40425474851056419 ~1987
4042673242560398 ~1984
4042873889432078 ~1985
404311180862237 ~1983
40431731212951919 ~1985
4043177566044798 ~1985
40434011940832499 ~1986
4043509889571998 ~1985
4043597323487778 ~1984
4043623970469538 ~1985
4043719404371918 ~1984
404417980883597 ~1983
404426380885277 ~1983
4044371323549698 ~1984
404443180888637 ~1983
4044479323558338 ~1984
404450380890077 ~1983
4044541242672478 ~1984
4044553242673198 ~1984
404477980895597 ~1983
4044893242693598 ~1984
404495980899197 ~1983
Exp. Prime Factor Digits Year
404498380899677 ~1983
40452191618087619 ~1986
4045417242725038 ~1984
404552380910477 ~1983
4045663404566318 ~1984
4045681242740878 ~1984
4045817242749038 ~1984
404588380917677 ~1983
4045961242757678 ~1984
4046117323689378 ~1984
4046377242782638 ~1984
4046521242791278 ~1984
4046521890234638
4046701647472178 ~1985
4046761890287438 ~1985
4046879323750338 ~1984
4046899404689918 ~1984
4046953890329678 ~1985
4047157242829438 ~1984
4047347135990859310 ~1988
404735980947197 ~1983
40474131295172179 ~1986
4047629566668078 ~1985
4047761242865678 ~1984
4047761323820898
Exp. Prime Factor Digits Year
4047929323834338 ~1984
4048013242880798 ~1984
404804380960877 ~1983
4048211728677998 ~1985
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
607
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25-09-07