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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
9678323193566478 ~1986
9678517580711038 ~1987
9678857580731438 ~1987
9678863193577278 ~1986
9678947774315778 ~1987
96791471548663539 ~1988
9679513580770798 ~1987
9679597580775838 ~1987
9679679193593598 ~1986
9679811193596238 ~1986
9679871774389698 ~1987
9680129774410338 ~1987
9680483193609678 ~1986
9680579193611598 ~1986
9680641580838478 ~1987
9680843193616878 ~1986
9680903193618078 ~1986
96809693678768239 ~1989
9681071193621438 ~1986
9681097580865838 ~1987
9681341580880478 ~1987
9681443193628878 ~1986
9681613580896798 ~1987
96817991742723839 ~1988
9682019193640398 ~1986
Exp. Prime Factor Digits Year
9682069278843587310 ~1991
96820871549133939 ~1988
96821391626599352111 ~1993
9682223193644478 ~1986
9682619193652398 ~1986
9682619774609538
9682691193653838 ~1986
9682763193655278 ~1986
9683039193660798 ~1986
9683171193663438 ~1986
9683327774666178 ~1987
9683351193667038 ~1986
96835432517721199 ~1988
9683777581026638 ~1987
9683813581028798 ~1987
9683819193676398 ~1986
9683837774706978 ~1987
9683951193679038 ~1986
96839693098870099 ~1989
9684011193680238 ~1986
96841371355779199 ~1988
9684293594615590310 ~1992
9684443193688878 ~1986
9684599193691998 ~1986
9684629774770338 ~1987
Exp. Prime Factor Digits Year
9684683193693678 ~1986
9684853581091198 ~1987
9684877581092638 ~1987
9685133581107998 ~1987
9685541581132478 ~1987
9685583193711678 ~1986
9685661581139678 ~1987
9685727774858178 ~1987
96857573680587679 ~1989
9686279193725598 ~1986
9686357581181438 ~1987
9686531774922498 ~1987
9686543193730878 ~1986
9686819193736398 ~1986
9686879193737598 ~1986
9687241581234478 ~1987
9687299193745998 ~1986
9687323193746478 ~1986
9687661581259678 ~1987
96880972325143299 ~1988
9688103193762078 ~1986
96882431550118899 ~1988
9688279968827918 ~1987
96882976781807919 ~1989
9688319193766398 ~1986
Exp. Prime Factor Digits Year
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
9690539193810798 ~1986
9690563193811278 ~1986
9690673581440398 ~1987
9690841581450478 ~1987
9691403193828078 ~1986
9691439193828798 ~1986
96918114070560639 ~1989
9691931193838638 ~1986
1027
GIMPS The Prime Pages FactorDb.com
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25-11-17