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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
9659759193195198 ~1986
9659803965980318 ~1987
96599591738792639 ~1988
9660139966013918 ~1987
9660193579611598 ~1987
9660323193206478 ~1986
9660383193207678 ~1986
9660419193208398 ~1986
96605872511752639 ~1988
9660611193212238 ~1986
9660901579654078 ~1987
9661013579660798 ~1987
9661079193221598 ~1986
9661087115933044110 ~1990
9661523193230478 ~1986
9661859193237198 ~1986
9661871193237438 ~1986
9661919193238398 ~1986
9661957579717438 ~1987
9661979772958338 ~1987
9662063193241278 ~1986
9662123193242478 ~1986
9662153579729198 ~1987
9662201772976098 ~1987
96624071545985139 ~1988
Exp. Prime Factor Digits Year
9662699193253998 ~1986
9662759773020738 ~1987
9662951193259038 ~1986
9663217579793038 ~1987
9663299193265998 ~1986
96632991739393839
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
Exp. Prime Factor Digits Year
9665987773278978 ~1987
9666131193322638 ~1986
9666277579976638 ~1987
96663132899893919 ~1988
9666401773312098 ~1987
9666533579991998 ~1987
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
Exp. Prime Factor Digits Year
9669137773530978 ~1987
9669329773546338 ~1987
9669377580162638 ~1987
96695932320702339 ~1988
9669623193392478 ~1986
9670019193400398 ~1986
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
1058
GIMPS The Prime Pages FactorDb.com
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26-07-05