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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
1258537192517074399 ~1994
1258557832517115679 ~1994
1258559032517118079 ~1994
125857217100685773710 ~1996
125860057201376091310 ~1996
1258608112517216239 ~1994
1258654977551929839 ~1995
125866459125866459110 ~1996
1258675312517350639 ~1994
1258688392517376799 ~1994
1258689232517378479 ~1994
1258693792517387599 ~1994
1258737112517474239 ~1994
1258743137552458799 ~1995
1258762912517525839 ~1994
1258782737552696399 ~1995
1258797112517594239 ~1994
1258815737552894399 ~1995
1258828192517656399 ~1994
1258834737553008399 ~1995
1258841512517683039 ~1994
125886329100709063310 ~1996
1258913032517826079 ~1994
1258936792517873599 ~1994
1258940632517881279 ~1994
Exponent Prime Factor Digits Year
1258951312517902639 ~1994
1258956832517913679 ~1994
125898911327337168710 ~1997
1259023192518046399 ~1994
1259031712518063439 ~1994
1259034232518068479 ~1994
1259044977554269839 ~1995
1259052712518105439 ~1994
1259060512518121039 ~1994
125909347125909347110 ~1996
125909671226637407910 ~1997
1259154232518308479 ~1994
1259204992518409999 ~1994
1259234392518468799 ~1994
125925101100740080910 ~1996
1259302432518604879 ~1994
1259304712518609439 ~1994
1259309217555855279 ~1995
125930921100744736910
1259343832518687679 ~1994
1259370832518741679 ~1994
1259402392518804799 ~1994
125941327201506123310 ~1996
1259428792518857599 ~1994
1259449432518898879 ~1994
Exponent Prime Factor Digits Year
1259472592518945199 ~1994
1259474032518948079 ~1994
125950873881656111110 ~1998
1259553592519107199 ~1994
1259572912519145839 ~1994
1259616232519232479 ~1994
1259653792519307599 ~1994
125968411226743139910 ~1997
125968783125968783110 ~1996
1259693392519386799 ~1994
1259703712519407439 ~1994
1259724177558345039 ~1995
125973037201556859310 ~1996
1259743192519486399 ~1994
1259779192519558399 ~1994
1259781377558688239 ~1995
1259783177558699039 ~1995
125980511831471372710 ~1998
125980567604706721710 ~1998
1259831032519662079 ~1994
1259857192519714399 ~1994
1259881792519763599 ~1994
1259954217559725279 ~1995
1260021712520043439 ~1994
1260035992520071999 ~1994
Exponent Prime Factor Digits Year
1260142977560857839 ~1995
1260200032520400079 ~1994
126021151201633841710 ~1996
126022667100818133710 ~1996
1260261232520522479 ~1994
126028373176439722310 ~1996
1260291617561749679 ~1995
1260304792520609599 ~1994
1260306017561836079 ~1995
1260333712520667439 ~1994
1260351112520702239 ~1994
1260354712520709439 ~1994
1260397312520794639 ~1994
1260411712520823439 ~1994
1260423417562540479 ~1995
1260463912520927839 ~1994
1260514792521029599 ~1994
1260529912521059839 ~1994
126057677100846141710 ~1996
1260626172496039816711 ~1999
1260629211210204041711 ~1998
1260637192521274399 ~1994
1260640792521281599 ~1994
1260655192521310399 ~1994
1260661912521323839 ~1994
2529
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25-04-20