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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
8519257511155438 ~1986
8519279170385598 ~1985
8519411170388238 ~1985
8519963170399278 ~1985
8520023170400478 ~1985
8520427852042718 ~1987
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
Exp. Prime Factor Digits Year
85257491875664799 ~1988
8525879682070338 ~1987
85258792046210979
8526179170523598 ~1985
85262574604178799 ~1989
8526359170527198 ~1985
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
Exp. Prime Factor Digits Year
8529863170597278 ~1985
85302414094515699 ~1988
8530273511816398 ~1986
8530307682424578 ~1987
8530441511826478 ~1986
8530811170616238 ~1985
8531221511873278 ~1986
8531233511873998 ~1986
85314738019584639 ~1989
8531483170629678 ~1985
8531533511891998 ~1986
85316092559482719 ~1988
8531639170632798 ~1985
8531879170637598 ~1985
85318811365100979 ~1987
8532221511933278 ~1986
85322693242262239 ~1988
8532371170647438 ~1985
85324211877132639 ~1988
8532541511952478 ~1986
8532659170653198 ~1985
8533139170662798 ~1985
8533537512012238 ~1986
8533559170671198 ~1985
8533619682689538 ~1987
Exp. Prime Factor Digits Year
8533697512021838 ~1986
8533979170679598 ~1985
8534041512042478 ~1986
8534243170684878 ~1985
8534303170686078 ~1985
8534371853437118 ~1987
8534411170688238 ~1985
8534423170688478 ~1985
8534639170692798 ~1985
8534891170697838 ~1985
8535083170701678 ~1985
8535179170703598 ~1985
8535413512124798 ~1986
8535433512125998 ~1986
8535473512128398 ~1986
8535533512131998 ~1986
8535781512146878 ~1986
8535929682874338 ~1987
8536043170720878 ~1985
8536267853626718 ~1987
8536571170731438 ~1985
8536807853680718 ~1987
8536883170737678 ~1985
8537219170744398 ~1985
8537437512246238 ~1986
926
GIMPS The Prime Pages FactorDb.com
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25-04-13