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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.
Exp. Prime Factor Digits Year
85123511361976179 ~1987
8512391170247838 ~1985
85123911532230399
8512453510747198 ~1986
8512643170252878 ~1985
8512799170255998 ~1985
85128834767214499 ~1989
8513033510781998 ~1986
8513171170263438 ~1985
85132071532377279 ~1987
8513341510800478 ~1986
8513497510809838 ~1986
8514173510850398 ~1986
8514179170283598 ~1985
85142774086852979 ~1988
8514419681153538 ~1987
8514509681160738 ~1987
8514743170294878 ~1985
85149491873288799 ~1988
8515141510908478 ~1986
85153072213979839 ~1988
8515379170307598 ~1985
8515853510951198 ~1986
8515931170318638 ~1985
8516159170323198 ~1985
Exp. Prime Factor Digits Year
8516197510971838 ~1986
8516489681319138 ~1987
8516639170332798 ~1985
8516797511007838 ~1986
85169272214401039 ~1988
8517023170340478 ~1985
8517253511035198 ~1986
8517401511044078 ~1986
8517419170348398 ~1985
8517563170351278 ~1985
85176612555298319 ~1988
8517779170355598 ~1985
8517863170357278 ~1985
8518507851850718 ~1987
8518883170377678 ~1985
8518931170378638 ~1985
8518931681514498
8519051170381038 ~1985
8519221511153278 ~1986
8519257511155438 ~1986
8519279170385598 ~1985
8519411170388238 ~1985
8519963170399278 ~1985
8520023170400478 ~1985
8520427852042718 ~1987
Exp. Prime Factor Digits Year
85206791533722239 ~1987
8521703170434078 ~1985
8522147681771778 ~1987
8522537511352238 ~1986
8522639170452798 ~1985
8522671852267118 ~1987
8522707852270718 ~1987
8522939170458798 ~1985
8522999170459998 ~1985
85231272045550499 ~1988
85233294091197939 ~1988
8523611170472238 ~1985
8523637511418238 ~1986
8523917511435038 ~1986
85245073409802819 ~1988
8524931681994498 ~1987
8525201511512078 ~1986
8525351170507038 ~1985
8525731852573118 ~1987
85257491875664799 ~1988
8525879682070338 ~1987
85258792046210979
8526179170523598 ~1985
85262574604178799 ~1989
8526359170527198 ~1985
Exp. Prime Factor Digits Year
8526601511596078 ~1986
85267793581247199 ~1988
85269412728621139 ~1988
8527283170545678 ~1985
8527331170546638 ~1985
8527691170553838 ~1985
8527763170555278 ~1985
8527781682222498 ~1987
85278531193899439 ~1987
8528171170563438 ~1985
8528183170563678 ~1985
8528357682268578 ~1987
8528519170570398 ~1985
8528783170575678 ~1985
8529197511751838 ~1986
85292991535273839 ~1987
8529611170592238 ~1985
8529623170592478 ~1985
85296234264811519
8529863170597278 ~1985
85302414094515699 ~1988
8530273511816398 ~1986
8530307682424578 ~1987
8530441511826478 ~1986
8530811170616238 ~1985
933
GIMPS The Prime Pages FactorDb.com
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25-06-01