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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
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
667192911334385839 ~1992
667207431334414879 ~1992
667230711334461439 ~1992
Exponent Prime Factor Digits Year
667239111334478239 ~1992
66724531120104155910 ~1994
667246495337971939 ~1994
667250031334500079 ~1992
667283391334566799 ~1992
667291911334583839 ~1992
667305711334611439 ~1992
667310391334620799 ~1992
667315491054358474311 ~1997
667324431334648879 ~1992
667338111334676239 ~1992
667362595338900739 ~1994
667377711334755439 ~1992
66739567266958268110 ~1995
66740719120133294310 ~1994
667436095339488739 ~1994
66744859226932520710 ~1995
667450934004705599 ~1993
667466511334933039 ~1992
667469031334938079 ~1992
667475391334950799 ~1992
667477574004865439 ~1993
667522191335044399 ~1992
66753541106805665710 ~1994
667537791335075599 ~1992
Exponent Prime Factor Digits Year
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
667751991335503999 ~1992
667775116677751119 ~1994
667788436677884319 ~1994
667829391335658799 ~1992
667830715342645699 ~1994
Exponent Prime Factor Digits Year
667838631335677279 ~1992
667854174007125039 ~1993
667858911335717839 ~1992
667859631335719279 ~1992
667869591335739199 ~1992
667877511335755039 ~1992
667880631335761279 ~1992
667884831335769679 ~1992
667903431335806879 ~1992
667904631335809279 ~1992
667910174007461039 ~1993
66793429146945543910 ~1995
667946214007677279 ~1993
667989715343917699 ~1994
66799303106878884910 ~1994
668017431336034879 ~1992
668033511336067039 ~1992
668036991336073999 ~1992
668043831336087679 ~1992
668071311336142639 ~1992
668076231336152479 ~1992
668090031336180079 ~1992
668104811483192678311 ~1997
668145231336290479 ~1992
66815183213808585710 ~1995
2207
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25-05-04