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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
9687323193746478 ~1986
9687661581259678 ~1987
96880972325143299 ~1988
9688103193762078 ~1986
96882431550118899 ~1988
9688279968827918 ~1987
96882976781807919 ~1989
9688319193766398 ~1986
9688397581303838 ~1987
9688403193768078 ~1986
9688463193769278 ~1986
9688517581311038 ~1987
96886492325275779 ~1988
9688753116265036110 ~1990
9688817581329038 ~1987
9688859193777198 ~1986
9689377581362638 ~1987
9689437581366238 ~1987
9689483193789678 ~1986
96896512519309279 ~1988
9689891193797838 ~1986
96900711744212799 ~1988
9690347775227778 ~1987
9690419193808398 ~1986
9690433581425998 ~1987
Exp. Prime Factor Digits Year
9690539193810798 ~1986
9690563193811278 ~1986
9690673581440398 ~1987
9690841581450478 ~1987
9691403193828078 ~1986
9691439193828798 ~1986
96918114070560639 ~1989
9691931193838638 ~1986
9691943193838878 ~1986
96920471744568479 ~1988
9692117775369378 ~1987
9692183193843678 ~1986
9692401581544078 ~1987
9692519193850398 ~1986
96925932132370479 ~1988
9692773581566398 ~1987
9692981775438498 ~1987
9692999193859998 ~1986
96930372326328899 ~1988
9693197581591838 ~1987
9693217581593038 ~1987
9693251193865038 ~1986
9693457209378671310 ~1991
9693521581611278 ~1987
9693539193870798 ~1986
Exp. Prime Factor Digits Year
9693851193877038 ~1986
9693899193877998 ~1986
9693913137653564710 ~1990
9694031193880638 ~1986
9694121581647278 ~1987
9694253581655198 ~1987
9694513581670798 ~1987
9694739193894798 ~1986
9694931193898638 ~1986
96949731357296239 ~1988
9694991193899838 ~1986
96953331357346639 ~1988
9695537775642978 ~1987
9695633581737998 ~1987
9695711193914238 ~1986
9696073581764398 ~1987
9696301581778078 ~1987
9696361581781678 ~1987
9696433168717934310 ~1990
9696733581803998 ~1987
9696839193936798 ~1986
9697133581827998 ~1987
96973191745517439 ~1988
9697481581848878 ~1987
9697511193950238 ~1986
Exp. Prime Factor Digits Year
9697511775800898
9698321775865698 ~1987
9698761581925678 ~1987
9698791969879118 ~1987
9698879193977598 ~1986
9699023193980478 ~1986
9699071193981438 ~1986
9699191193983838 ~1986
9699233581953998 ~1987
9699251193985038 ~1986
9699323193986478 ~1986
9699449775955938 ~1987
9699461581967678 ~1987
9699611193992238 ~1986
9699637581978238 ~1987
96996532327916739 ~1988
96997311745951599 ~1988
9699841581990478 ~1987
97003811552060979 ~1988
9700417582025038 ~1987
9700511194010238 ~1986
9700541582032478 ~1987
9700571194011438 ~1986
9701099194021998 ~1986
9701291194025838 ~1986
1017
GIMPS The Prime Pages FactorDb.com
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25-09-07