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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
15581519311630398 ~1987
15581711311634238 ~1987
15581831311636638 ~1987
15581837934910238 ~1988
15582041934922478 ~1988
15582719311654398 ~1987
155827372181583199 ~1989
15582851311657038 ~1987
15583103311662078 ~1987
15583241934994478 ~1988
155837871246702979 ~1989
155843692181811679 ~1989
15584423311688478 ~1987
155846231558462319 ~1989
15585431311708638 ~1987
15585611311712238 ~1987
155857011246856099 ~1989
15585721935143278 ~1988
15586177935170638 ~1988
15586391311727838 ~1987
15586451311729038 ~1987
15586619311732398 ~1987
155869333429125279 ~1990
15587497935249838 ~1988
15587651311753038 ~1987
Exponent Prime Factor Digits Year
15588143311762878 ~1987
15588299311765998 ~1987
15588431311768638 ~1987
15588563311771278 ~1987
15588659311773198 ~1987
15588791311775838 ~1987
15588851311777038 ~1987
15589019311780398 ~1987
15589103311782078 ~1987
15589643311792878 ~1987
15590171311803438 ~1987
155905578418900799 ~1991
155907671559076719 ~1989
155914792806466239 ~1989
155916172182826399 ~1989
15591659311833198 ~1987
15591739785823645710 ~1993
15591781935506878 ~1988
15591817935509038 ~1988
15592211311844238 ~1987
15592319311846398 ~1987
15592561935553678 ~1988
15592793935567598 ~1988
15592991311859838 ~1987
15593351311867038 ~1987
Exponent Prime Factor Digits Year
15593579311871598 ~1987
15593771311875438 ~1987
15594361935661678 ~1988
15594941935696478 ~1988
15595379311907598 ~1987
15595439311908798 ~1987
155960293431126399 ~1990
15596099311921998 ~1987
15596291311925838 ~1987
15596459311929198 ~1987
15596677935800638 ~1988
15596699311933998 ~1987
155967671559676719 ~1989
155968573743245699 ~1990
15597203311944078 ~1987
15597359311947198 ~1987
155978091247824739 ~1989
15598931311978638 ~1987
15599281935956878 ~1988
155993691247949539 ~1989
15599471311989438 ~1987
155997833743947939 ~1990
15600503312010078 ~1987
15600731312014638 ~1987
15600863312017278 ~1987
Exponent Prime Factor Digits Year
15601381936082878 ~1988
15601643312032878 ~1987
15601763312035278 ~1987
156020571248164579 ~1989
15602113936126798 ~1988
15602459312049198 ~1987
15602831312056638 ~1987
15603101936186078 ~1988
15603383312067678 ~1987
15603839312076798 ~1987
156038511248308099 ~1989
156040371248322979 ~1989
15604091312081838 ~1987
156045072496721139 ~1989
15604679312093598 ~1987
15604931312098638 ~1987
15605021936301278 ~1988
15605519312110398 ~1987
15605693936341598 ~1988
15606131312122638 ~1987
156065712809182799 ~1989
15606917936415038 ~1988
156070495930678639 ~1990
15607121936427278 ~1988
15607199312143998 ~1987
1255
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25-04-13