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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
659574591319149199 ~1992
65958149158299557710 ~1995
659586111319172239 ~1992
659594099234317279 ~1994
659617191319234399 ~1992
659622231319244479 ~1992
659623813957742879 ~1993
659625373957752239 ~1993
659633511319267039 ~1992
659639995277119939 ~1994
659644431319288879 ~1992
65965297356212603910 ~1996
659658413957950479 ~1993
659664899235308479 ~1994
659673111319346239 ~1992
659674396596743919 ~1994
659688111319376239 ~1992
659693631319387279 ~1992
659702836597028319 ~1994
659717275277738179 ~1994
659724111319448239 ~1992
65975603158341447310 ~1995
659772179236810399 ~1994
659775591319551199 ~1992
659787231319574479 ~1992
Exponent Prime Factor Digits Year
659827375278618979 ~1994
659835591319671199 ~1992
659842911319685839 ~1992
65985253158364607310 ~1995
659854431319708879 ~1992
659863911319727839 ~1992
659864511319729039 ~1992
659879031319758079 ~1992
659891031319782079 ~1992
659910111319820239 ~1992
659911431319822879 ~1992
659928591319857199 ~1992
659933511319867039 ~1992
659959075279672579 ~1994
65996731277186270310 ~1995
660008991320017999 ~1992
660037876600378719 ~1994
660056575280452579 ~1994
660062631320125279 ~1992
660080236600802319 ~1994
660084711320169439 ~1992
660107095280856739 ~1994
660123711320247439 ~1992
660128991320257999 ~1992
660128995281031939
Exponent Prime Factor Digits Year
660163191320326399 ~1992
660166791320333599 ~1992
660189231320378479 ~1992
660195111320390239 ~1992
660199739242796239 ~1994
660212391320424799 ~1992
660282711320565439 ~1992
660282831320565679 ~1992
660285196602851919 ~1994
660286911320573839 ~1992
660301191320602399 ~1992
660319431320638879 ~1992
660326991320653999 ~1992
660351711320703439 ~1992
660379431320758879 ~1992
660383631320767279 ~1992
660425631320851279 ~1992
660441831320883679 ~1992
660459613962757679 ~1993
660460516604605119 ~1994
660463975283711779 ~1994
660472791320945599 ~1992
660477533962865199 ~1993
66051707171734438310 ~1995
660520333963121999 ~1993
Exponent Prime Factor Digits Year
660524391321048799 ~1992
660544911321089839 ~1992
660554815284438499 ~1994
660568431321136879 ~1992
66057659158538381710 ~1995
660592213963553279 ~1993
660604791321209599 ~1992
660615711321231439 ~1992
660630831321261679 ~1992
660632511321265039 ~1992
660636613963819679 ~1993
660638413963830479 ~1993
66063923171766199910 ~1995
660671933964031599 ~1993
660672711321345439 ~1992
660705231321410479 ~1992
660730191321460399 ~1992
660734391321468799 ~1992
660750591321501199 ~1992
660754191321508399 ~1992
660758511321517039 ~1992
660761511321523039 ~1992
660781191321562399 ~1992
660781911321563839 ~1992
660784795286278339 ~1994
2187
GIMPS The Prime Pages FactorDb.com
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25-04-13