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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
661894431323788879 ~1992
661897311323794639 ~1992
661906431323812879 ~1992
661907813971446879 ~1993
66191617105906587310 ~1994
661926711323853439 ~1992
661929111323858239 ~1992
661935779267100799 ~1994
66194203158866087310 ~1995
661950711323901439 ~1992
661957133971742799 ~1993
661965413971792479 ~1993
661975911323951839 ~1992
661979173971875039 ~1993
661993191323986399 ~1992
661995591323991199 ~1992
66200171278040718310 ~1995
662004111324008239 ~1992
662004231324008479 ~1992
662030511324061039 ~1992
662043533972261199 ~1993
662054391324108799 ~1992
662095191324190399 ~1992
662099631324199279 ~1992
66210647158905552910 ~1995
Exponent Prime Factor Digits Year
662107191324214399 ~1992
662107791324215599 ~1992
662108631324217279 ~1992
662118231324236479 ~1992
662134311324268639 ~1992
662134431324268879 ~1992
662138215297105699 ~1994
662148711324297439 ~1992
662150031324300079 ~1992
662162031324324079 ~1992
662163831324327679 ~1992
66217043476762709710 ~1996
662186511324373039 ~1992
662189631324379279 ~1992
662191915297535299 ~1994
662209013973254079 ~1993
662209431324418879 ~1992
662213991324427999 ~1992
662224739271146239 ~1994
662236813973420879 ~1993
662240773973444639 ~1993
662247591324495199 ~1992
662255391324510799 ~1992
662270476622704719 ~1994
662286013973716079 ~1993
Exponent Prime Factor Digits Year
662286711324573439 ~1992
662290431324580879 ~1992
662295111324590239 ~1992
662310591324621199 ~1992
662312813973876879 ~1993
662321631324643279 ~1992
662324031324648079 ~1992
662342511324685039 ~1992
662346711324693439 ~1992
662359431324718879 ~1992
662376831324753679 ~1992
662392973974357839 ~1993
662411836624118319 ~1994
662414116624141119 ~1994
662415231324830479 ~1992
662421613974529679 ~1993
662431791324863599 ~1992
662434333974605999 ~1993
662453631324907279 ~1992
662454111324908239 ~1992
662455615299644899 ~1994
662472111324944239 ~1992
662492991324985999 ~1992
662495173974971039 ~1993
662515791325031599 ~1992
Exponent Prime Factor Digits Year
662522991325045999 ~1992
662535711325071439 ~1992
662577711325155439 ~1992
662578431325156879 ~1992
662585391325170799 ~1992
662610111325220239 ~1992
662610591325221199 ~1992
662630631325261279 ~1992
662648991325297999 ~1992
662650191325300399 ~1992
662657631325315279 ~1992
662663391325326799 ~1992
662671431325342879 ~1992
662686191325372399 ~1992
662686615301492899 ~1994
662688831325377679 ~1992
662697711325395439 ~1992
662740311325480639 ~1992
662749791325499599 ~1992
662760175302081379 ~1994
662781173976687039 ~1993
662784231325568479 ~1992
66279431119302975910 ~1994
662802111325604239 ~1992
662836431325672879 ~1992
2350
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25-12-14