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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
519515631039031279 ~1991
519526613117159679 ~1992
519528294156226339 ~1993
519532431039064879 ~1991
519535791039071599 ~1991
519536694156293539 ~1993
519538311039076639 ~1991
519549711039099439 ~1991
519561711039123439 ~1991
519565191039130399 ~1991
519576111039152239 ~1991
519582711039165439 ~1991
519606591039213199 ~1991
519607733117646399 ~1992
519620631039241279 ~1991
519650031039300079 ~1991
51965003291004016910
519650511039301039 ~1991
519661431039322879 ~1991
519663533117981199 ~1992
519676333118057999 ~1992
519682191039364399 ~1991
519685933118115599 ~1992
519691431039382879 ~1991
519701991039403999 ~1991
Exponent Prime Factor Digits Year
519705774157646179 ~1993
519728031039456079 ~1991
519737031039474079 ~1991
519746511039493039 ~1991
519752814158022499 ~1993
519759711039519439 ~1991
519769431039538879 ~1991
519775311039550639 ~1991
519784311039568639 ~1991
519786591039573199 ~1991
519786777277014799 ~1993
519820191039640399 ~1991
519831315198313119 ~1993
519840831039681679 ~1991
519850791039701599 ~1991
519862191039724399 ~1991
519867711039735439 ~1991
519868999357641839 ~1994
519869991039739999 ~1991
519872773119236639 ~1992
519873591039747199 ~1991
519885111039770239 ~1991
519926511039853039 ~1991
51992789166376924910 ~1994
519931973119591839 ~1992
Exponent Prime Factor Digits Year
519941214159529699 ~1993
519951231039902479 ~1991
519968391039936799 ~1991
51997909124794981710 ~1994
519986031039972079 ~1991
520000431040000879 ~1991
520018373120110239 ~1992
520023831040047679 ~1991
520034391040068799 ~1991
520037173120223039 ~1992
520059111040118239 ~1991
520070991040141999 ~1991
520084494160675939 ~1993
520094391040188799 ~1991
520098231040196479 ~1991
520099311040198639 ~1991
520116111040232239 ~1991
520127391040254799 ~1991
520130631040261279 ~1991
520134111040268239 ~1991
520147311040294639 ~1991
520150311040300639 ~1991
520170111040340239 ~1991
520172991040345999 ~1991
520178631040357279 ~1991
Exponent Prime Factor Digits Year
52019203593018914310 ~1996
520195311040390639 ~1991
520203831040407679 ~1991
520205391040410799 ~1991
520216311040432639 ~1991
520230111040460239 ~1991
520241631040483279 ~1991
520266733121600399 ~1992
520276911040553839 ~1991
520277279364990879 ~1994
520281111040562239 ~1991
520289094162312739 ~1993
520289391040578799 ~1991
520310991040621999 ~1991
520320591040641199 ~1991
520324191040648399 ~1991
52032809166504988910 ~1994
520333133121998799 ~1992
520337031040674079 ~1991
520340413122042479 ~1992
520361991040723999 ~1991
520382573122295439 ~1992
520389111040778239 ~1991
520396977285557599 ~1993
520403991040807999 ~1991
2089
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25-06-08