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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.
Exponent Prime Factor Digits Year
19526159390523198 ~1988
19526231390524638 ~1988
195263211171579279 ~1989
195266771171600639 ~1989
195271871952718719 ~1990
19527743390554878 ~1988
19527803390556078 ~1988
195279291562234339 ~1989
19528199390563998 ~1988
19528559390571198 ~1988
19529123390582478 ~1988
195292971171757839 ~1989
19529351390587038 ~1988
19529423390588478 ~1988
19529483390589678 ~1988
19529539218730836910 ~1992
195296811562374499 ~1989
195296831952968319 ~1990
195297793515360239 ~1990
19529879390597598 ~1988
19530047109368263310 ~1991
195304791562438339 ~1989
19530503390610078 ~1988
19530683390613678 ~1988
195309411562475299 ~1989
Exponent Prime Factor Digits Year
19530971390619438 ~1988
19531859390637198 ~1988
195318591562548739
19532423390648478 ~1988
19532603390652078 ~1988
195327191953271919 ~1990
195328731171972399 ~1989
195337191562697539 ~1989
19534379390687598 ~1988
19535051390701038 ~1988
19535231390704638 ~1988
19535423390708478 ~1988
19535783390715678 ~1988
195371511562972099 ~1989
19537559390751198 ~1988
195376975861309119 ~1991
19538243390764878 ~1988
19539251390785038 ~1988
19539599390791998 ~1988
19539731390794638 ~1988
19540211390804238 ~1988
19540739390814798 ~1988
19541111390822238 ~1988
19541759390835198 ~1988
195423494299316799 ~1990
Exponent Prime Factor Digits Year
19542899390857998 ~1988
195432532736055439 ~1990
19543619390872398 ~1988
19544039390880798 ~1988
195441171172647039 ~1989
19544209105538728710 ~1991
195443515081531279 ~1991
19544699390893998 ~1988
195454813127276979 ~1990
19545551390911038 ~1988
19545611390912238 ~1988
195461713127387379 ~1990
195461996254783699 ~1991
19546451390929038 ~1988
195467271563738179 ~1989
195470711954707119 ~1990
19547243390944878 ~1988
19547519390950398 ~1988
19547771390955438 ~1988
195482413127718579 ~1990
19548299390965998 ~1988
19548443390968878 ~1988
19548911390978238 ~1988
195490513518829199 ~1990
195498371638276340711 ~1994
Exponent Prime Factor Digits Year
19550339391006798 ~1988
19550963391019278 ~1988
19551179391023598 ~1988
195519771564158179 ~1989
19552271391045438 ~1988
19552343391046878 ~1988
195523611173141679 ~1989
195524411173146479 ~1989
195532731173196399 ~1989
195533774692810499 ~1991
195534473519620479 ~1990
19553483391069678 ~1988
19553543391070878 ~1988
19553711391074238 ~1988
19553771391075438 ~1988
195540791955407919 ~1990
19554179391083598 ~1988
19554299391085998 ~1988
19554719391094398 ~1988
19555043391100878 ~1988
195551811173310879 ~1989
195563231955632319 ~1990
195565194693564579 ~1991
195565911564527299 ~1989
19556951391139038 ~1988
1350
GIMPS The Prime Pages FactorDb.com
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24-10-27