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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
285705171714231039 ~1990
28570739571414798 ~1989
28571077954273971910 ~1995
28571591571431838 ~1989
28571663571433278 ~1989
28572191571443838 ~1989
28572539571450798 ~1989
28572623571452478 ~1989
28572983571459678 ~1989
28574531571490638 ~1989
285748512857485119 ~1991
28574999571499998 ~1989
28575863571517278 ~1989
28576343571526878 ~1989
28576403571528078 ~1989
285770232857702319 ~1991
28577039571540798 ~1989
285771131714626799 ~1990
28577639571552798 ~1989
28577651571553038 ~1989
285781634572506099 ~1991
285782171714693039 ~1990
285792171714753039 ~1990
28579679571593598 ~1989
285798011714788079 ~1990
Exponent Prime Factor Digits Year
28580063571601278 ~1989
28580231571604638 ~1989
285803592858035919 ~1991
28580771571615438 ~1989
28581011571620238 ~1989
28581911571638238 ~1989
28582643571652878 ~1989
28582711188645892710 ~1993
28582943571658878 ~1989
285830411714982479 ~1990
285839938575197919 ~1992
28584071571681438 ~1989
285842531715055199 ~1990
285844436860266339 ~1992
285845872286766979 ~1991
28584623571692478 ~1989
28585031571700638 ~1989
28585703571714078 ~1989
28585871571717438 ~1989
28586111571722238 ~1989
28586219571724398 ~1989
28586423571728478 ~1989
28586543571730878 ~1989
28586891571737838 ~1989
28587323571746478 ~1989
Exponent Prime Factor Digits Year
28587563571751278 ~1989
28588019571760398 ~1989
28588811571776238 ~1989
28589591571791838 ~1989
285901392859013919 ~1991
28590539571810798 ~1989
28590803503198132910 ~1994
28591571571831438 ~1989
28592411571848238 ~1989
285928032859280319 ~1991
28593179571863598 ~1989
28593431571868638 ~1989
28594103571882078 ~1989
28595291571905838 ~1989
28595639571912798 ~1989
28596299571925998 ~1989
285964612287716899 ~1991
28596731571934638 ~1989
28597031571940638 ~1989
28597511571950238 ~1989
28597703571954078 ~1989
28598123571962478 ~1989
28598159571963198 ~1989
28598183571963678 ~1989
28598519571970398 ~1989
Exponent Prime Factor Digits Year
285985971715915839 ~1990
28599299571985998 ~1989
28599479571989598 ~1989
285994992859949919 ~1991
28599743571994878 ~1989
286001574004021999 ~1991
28600163572003278 ~1989
28600763572015278 ~1989
286013898580416719 ~1992
28601399572027998 ~1989
28601603572032078 ~1989
28602251572045038 ~1989
286023771716142639 ~1990
28602383572047678 ~1989
286024011716144079 ~1990
28602851572057038 ~1989
28604171572083438 ~1989
28604423572088478 ~1989
286045492288363939 ~1991
286051331716307999 ~1990
28605911572118238 ~1989
28606811572136238 ~1989
28607339572146798 ~1989
28607471572149438 ~1989
286086072860860719 ~1991
1706
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25-07-08