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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
28430183568603678 ~1989
28430399568607998 ~1989
28430639568612798 ~1989
28430663568613278 ~1989
284314371705886239 ~1990
28431659568633198 ~1989
28431911568638238 ~1989
28431971568639438 ~1989
28432511568650238 ~1989
284325971705955839 ~1990
28432643568652878 ~1989
28433039568660798 ~1989
28433123568662478 ~1989
28433183568663678 ~1989
28434179568683598 ~1989
284343792843437919 ~1991
28434491568689838 ~1989
28434551568691038 ~1989
284353218530596319 ~1992
28435859568717198 ~1989
28436003568720078 ~1989
284366931706201599 ~1990
284369992274959939 ~1991
284370011706220079 ~1990
28437179568743598 ~1989
Exponent Prime Factor Digits Year
28437263568745278 ~1989
284372636824943139
284373011706238079 ~1990
28437599568751998 ~1989
284379795118836239 ~1992
28438199568763998 ~1989
28438583568771678 ~1989
28438703568774078 ~1989
28439123568782478 ~1989
28441403568828078 ~1989
28441559568831198 ~1989
28441631568832638 ~1989
28441691568833838 ~1989
284418011706508079 ~1990
284419493981872879 ~1991
28442231568844638 ~1989
28442723568854478 ~1989
284428931706573599 ~1990
28442951568859038 ~1989
28443071568861438 ~1989
284433672844336719 ~1991
284435571706613439 ~1990
28444271568885438 ~1989
28444343568886878 ~1989
284444693982225679 ~1991
Exponent Prime Factor Digits Year
28444511568890238 ~1989
28444739568894798 ~1989
284447992275583939 ~1991
28445171568903438 ~1989
284455372275642979 ~1991
28445771568915438 ~1989
284458011706748079 ~1990
28445999568919998 ~1989
28446443568928878 ~1989
28446683568933678 ~1989
28447571568951438 ~1989
28447799568955998 ~1989
28448039568960798 ~1989
28448279568965598 ~1989
28448603568972078 ~1989
284486592844865919 ~1991
28449299568985998 ~1989
28449563568991278 ~1989
28449611568992238 ~1989
28449719568994398 ~1989
28450223569004478 ~1989
284503276828078499 ~1992
284508672845086719 ~1991
28451051569021038 ~1989
28451063569021278 ~1989
Exponent Prime Factor Digits Year
28451399569027998 ~1989
284514131707084799 ~1990
28451651569033038 ~1989
28452419569048398 ~1989
28452491569049838 ~1989
28453151569063038 ~1989
284533611707201679 ~1990
28453391569067838 ~1989
28453751569075038 ~1989
28454351569087038 ~1989
28454819569096398 ~1989
28455491569109838 ~1989
28455743569114878 ~1989
28455851569117038 ~1989
284563971707383839 ~1990
28456619569132398 ~1989
284567174553074739 ~1991
28457531569150638 ~1989
284578331707469999 ~1990
284579112845791119 ~1991
28457963569159278 ~1989
28458011569160238 ~1989
28458491569169838 ~1989
28458803569176078 ~1989
28458803142294015110
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25-04-13