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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
9663337579800238 ~1987
9663587773086978 ~1987
9663683193273678 ~1986
9663851193277038 ~1986
9663853579831198 ~1987
96638532319324739
9664631193292638 ~1986
9664691193293838 ~1986
9664841773187298 ~1987
9664913579894798 ~1987
9665039193300798 ~1986
9665063193301278 ~1986
96652971353141599 ~1988
9665339193306798 ~1986
9665441773235298 ~1987
9665479966547918 ~1987
9665501579930078 ~1987
9665933579955998 ~1987
9665951193319038 ~1986
9665987773278978 ~1987
9666131193322638 ~1986
9666277579976638 ~1987
96663132899893919 ~1988
9666401773312098 ~1987
9666533579991998 ~1987
Exp. Prime Factor Digits Year
9666551193331038 ~1986
96671872320124899 ~1988
96673932126826479 ~1988
9667421773393698 ~1987
9667667773413378 ~1987
9667837580070238 ~1987
9667919193358398 ~1986
9667993580079598 ~1987
9668003193360078 ~1986
9668051193361038 ~1986
9668081580084878 ~1987
9668293580097598 ~1987
9668471193369438 ~1986
9668471773477698
9668819193376398 ~1986
9668999193379998 ~1986
9669031966903118 ~1987
9669041580142478 ~1987
9669113580146798 ~1987
9669137773530978 ~1987
9669329773546338 ~1987
9669377580162638 ~1987
96695932320702339 ~1988
9669623193392478 ~1986
9670019193400398 ~1986
Exp. Prime Factor Digits Year
9670163193403278 ~1986
96702172901065119 ~1988
9670319193406398 ~1986
9670457580227438 ~1987
96707471740734479 ~1988
9670993580259598 ~1987
9671021580261278 ~1987
9671099193421998 ~1986
9671303193426078 ~1986
9671771193435438 ~1986
9672077580324638 ~1987
9672359193447198 ~1986
9672419193448398 ~1986
96724371354141199 ~1988
9672493580349598 ~1987
9672941773835298 ~1987
9673343193466878 ~1986
9673439193468798 ~1986
9673481580408878 ~1987
9673511193470238 ~1986
96735972321663299 ~1988
9673801580428078 ~1987
9673871193477438 ~1986
9674039193480798 ~1986
9674257580455438 ~1987
Exp. Prime Factor Digits Year
9674459193489198 ~1986
9674521580471278 ~1987
9674557580473438 ~1987
9674579193491598 ~1986
9675059193501198 ~1986
96751095224558879 ~1989
9675137580508238 ~1987
9675293580517598 ~1987
9675557580533438 ~1987
9675761580545678 ~1987
9675761774060898
96758571354619999 ~1988
9675863193517278 ~1986
9676001580560078 ~1987
9676091193521838 ~1986
96768891354764479 ~1988
96771911741894399 ~1988
96772811548364979 ~1988
96772933870917219 ~1989
9678013580680798 ~1987
9678131193562638 ~1986
9678181580690878 ~1987
9678197580691838 ~1987
9678271967827118 ~1987
9678323193566478 ~1986
1055
GIMPS The Prime Pages FactorDb.com
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26-06-07