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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
395859893166879139 ~1992
39586331791726638 ~1990
39586637118759911110 ~1993
395871593166972739 ~1992
39588743791774878 ~1990
39589271791785438 ~1990
39589811475077732110 ~1995
395902612375415679 ~1991
39590819791816398 ~1990
395908393959083919 ~1992
395918212375509279 ~1991
395919412375516479 ~1991
395919736334715699 ~1993
39592391791847838 ~1990
39592739791854798 ~1990
39592919791858398 ~1990
395929993959299919 ~1992
39593171791863438 ~1990
39594059791881198 ~1990
395947493167579939 ~1992
395952012375712079 ~1991
39595631791912638 ~1990
395971613167772899 ~1992
39597251791945038 ~1990
39598043791960878 ~1990
Exponent Prime Factor Digits Year
39598043285105909710
395980633959806319 ~1992
395988772375932639 ~1991
39598931791978638 ~1990
39599039791980798 ~1990
39599159791983198 ~1990
39600371792007438 ~1990
396004373168034979 ~1992
39600611792012238 ~1990
396007973168063779 ~1992
39601571792031438 ~1990
39602399792047998 ~1990
39603611792072238 ~1990
396036372376218239 ~1991
39603983792079678 ~1990
39605399792107998 ~1990
39605591792111838 ~1990
39605603792112078 ~1990
39605831792116638 ~1990
396060113168480899 ~1992
396066433960664319 ~1992
39607283792145678 ~1990
396079633960796319 ~1992
396108593168868739 ~1992
396109732376658399 ~1991
Exponent Prime Factor Digits Year
396121132376726799 ~1991
396128573169028579 ~1992
39612971792259438 ~1990
39613163792263278 ~1990
396148493169187939 ~1992
39614951792299038 ~1990
39615011792300238 ~1990
396154732376928399 ~1991
39616091792321838 ~1990
39616163792323278 ~1990
39616259792325198 ~1990
39616763792335278 ~1990
39616931792338638 ~1990
396171532377029199 ~1991
39617423792348478 ~1990
39619403792388078 ~1990
39619763792395278 ~1990
396201532377209199 ~1991
396208273962082719 ~1992
39621371792427438 ~1990
39622559792451198 ~1990
39622591324905246310 ~1994
39622679792453598 ~1990
39623351792467038 ~1990
39623879792477598 ~1990
Exponent Prime Factor Digits Year
396248039509952739 ~1993
396248335547476639 ~1992
396249172377495039 ~1991
396249612377497679 ~1991
396294772377768639 ~1991
396297193962971919 ~1992
39629879792597598 ~1990
396298793170390339
396304973170439779 ~1992
39631451792629038 ~1990
39631583792631678 ~1990
39631859792637198 ~1990
39632171103043644710 ~1993
39632471792649438 ~1990
39632903792658078 ~1990
39633683792673678 ~1990
39634559166465147910 ~1994
39634943792698878 ~1990
396367873963678719 ~1992
39636959792739198 ~1990
39637079792741598 ~1990
39637823103058339910 ~1993
39639863792797278 ~1990
396408172378449039 ~1991
39641051792821038 ~1990
1901
GIMPS The Prime Pages FactorDb.com
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25-04-13