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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
43790843875816878 ~1991
43791023105098455310 ~1993
43792643875852878 ~1991
437930273503442179 ~1992
43793363875867278 ~1991
437946132627676799 ~1992
437948332627689999 ~1992
43798151875963038 ~1991
43798259875965198 ~1991
43799333525591996110 ~1995
43803359876067198 ~1991
43803587219017935110 ~1994
438056777008908339 ~1993
438059532628357199 ~1992
438064077885153279 ~1993
43806859105136461710 ~1993
43807343876146878 ~1991
43807451876149038 ~1991
43807919876158398 ~1991
43807931876158638 ~1991
43808291876165838 ~1991
438092477009479539 ~1993
43810631876212638 ~1991
43810859876217198 ~1991
43811483876229678 ~1991
Exponent Prime Factor Digits Year
43811617105147880910 ~1993
438136736133914239 ~1993
43814999876299998 ~1991
438151313505210499 ~1992
43815251876305038 ~1991
43815599876311998 ~1991
438155993505247939
438163517010616179 ~1993
438167572629005439 ~1992
438175673505405379 ~1992
43819649236626104710 ~1994
438198012629188079 ~1992
43820219876404398 ~1991
43820603876412078 ~1991
438224336135140639 ~1993
43824323876486478 ~1991
438249677888494079 ~1993
438256373506050979 ~1992
438269212629615279 ~1992
43828943105189463310 ~1993
438295572629773439 ~1992
43831943876638878 ~1991
43833203876664078 ~1991
438336197890051439 ~1993
43834859876697198 ~1991
Exponent Prime Factor Digits Year
43836431876728638 ~1991
43837331876746638 ~1991
438374812630248879 ~1992
43837691876753838 ~1991
43838363876767278 ~1991
438388132630328799 ~1992
43838831876776638 ~1991
43838831315639583310
43839143876782878 ~1991
43840031876800638 ~1991
43840631876812638 ~1991
43840649166594466310 ~1994
43841111245510221710 ~1994
438411172630467039 ~1992
43841183876823678 ~1991
43842067675167831910 ~1995
438421932630531599 ~1992
43842203876844078 ~1991
43842503876850078 ~1991
43842971876859438 ~1991
438437393507499139 ~1992
43844771876895438 ~1991
43845611876912238 ~1991
43845821947069733710 ~1996
438464212630785279 ~1992
Exponent Prime Factor Digits Year
438464572630787439 ~1992
43846919876938398 ~1991
43847519876950398 ~1991
43848671876973438 ~1991
43848743876974878 ~1991
438495173507961379 ~1992
43851539877030798 ~1991
43852691877053838 ~1991
43852811877056238 ~1991
43852997131558991110 ~1994
438533172631199039 ~1992
43854383877087678 ~1991
438550372631302239 ~1992
438556332631337999 ~1992
43856003877120078 ~1991
438563412631380479 ~1992
43857431877148638 ~1991
438588532631531199 ~1992
43860023877200478 ~1991
43860827105265984910 ~1993
43861679877233598 ~1991
43862183877243678 ~1991
438629213509033699 ~1992
43864099359685611910 ~1995
43864319877286398 ~1991
1971
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25-05-04