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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
666578031333156079 ~1992
666602631333205279 ~1992
666610791333221599 ~1992
666637431333274879 ~1992
666649191333298399 ~1992
666663111333326239 ~1992
666690591333381199 ~1992
666694814000168879 ~1993
666714591333429199 ~1992
666719391333438799 ~1992
66673471706738792710 ~1996
666748431333496879 ~1992
666765591333531199 ~1992
666773991333547999 ~1992
666782031333564079 ~1992
666782631333565279 ~1992
666784311333568639 ~1992
666799139335187839 ~1994
666819111333638239 ~1992
666834231333668479 ~1992
666856311333712639 ~1992
666857991333715999 ~1992
66687811106700497710 ~1994
666886191333772399 ~1992
666899991333799999 ~1992
Exponent Prime Factor Digits Year
666915111333830239 ~1992
666937014001622079 ~1993
666951174001707039 ~1993
666955431333910879 ~1992
666992631333985279 ~1992
667005734002034399 ~1993
667011014002066079 ~1993
667021915336175299 ~1994
667036014002216079 ~1993
667037511334075039 ~1992
667044831334089679 ~1992
667051791334103599 ~1992
667057814002346879 ~1993
667097236670972319 ~1994
667098591334197199 ~1992
667102214002613279 ~1993
66712189800546268110 ~1996
667129911334259839 ~1992
667136511334273039 ~1992
66714013146770828710 ~1995
667165191334330399 ~1992
667165791334331599 ~1992
667172631334345279 ~1992
667180214003081279 ~1993
667189791334379599 ~1992
Exponent Prime Factor Digits Year
667192911334385839 ~1992
667207431334414879 ~1992
667230711334461439 ~1992
667239111334478239 ~1992
66724531120104155910 ~1994
667246495337971939 ~1994
667250031334500079 ~1992
667283391334566799 ~1992
667291911334583839 ~1992
667305711334611439 ~1992
667310391334620799 ~1992
667315491054358474311 ~1997
667324431334648879 ~1992
667326231334652479 ~1992
667338111334676239 ~1992
667362595338900739 ~1994
667377711334755439 ~1992
66739567266958268110 ~1995
66740719120133294310 ~1994
667411311334822639 ~1992
667436095339488739 ~1994
66744859226932520710 ~1995
667450934004705599 ~1993
667466511334933039 ~1992
667469031334938079 ~1992
Exponent Prime Factor Digits Year
667475391334950799 ~1992
667477574004865439 ~1993
667522191335044399 ~1992
66753541106805665710 ~1994
667537791335075599 ~1992
667538991335077999 ~1992
667564791335129599 ~1992
667568631335137279 ~1992
667575711335151439 ~1992
667588191335176399 ~1992
66759367120166860710 ~1994
667597431335194879 ~1992
667607414005644479 ~1993
667642214005853279 ~1993
667659111335318239 ~1992
667662111335324239 ~1992
667688991335377999 ~1992
667695111335390239 ~1992
667708431335416879 ~1992
667721575341772579 ~1994
667731591335463199 ~1992
667733214006399279 ~1993
667735195341881539 ~1994
667738791335477599 ~1992
667739631335479279 ~1992
2249
GIMPS The Prime Pages FactorDb.com
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25-07-08