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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
19540211390804238 ~1988
19540739390814798 ~1988
19541111390822238 ~1988
19541759390835198 ~1988
195423494299316799 ~1990
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
Exponent Prime Factor Digits Year
19548299390965998 ~1988
19548443390968878 ~1988
19548911390978238 ~1988
195490513518829199 ~1990
195498371638276340711 ~1994
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
Exponent Prime Factor Digits Year
195551811173310879 ~1989
195563231955632319 ~1990
195565194693564579 ~1991
195565911564527299 ~1989
19556951391139038 ~1988
19557617516321088910 ~1993
19557623391152478 ~1988
19557899391157998 ~1988
19558691391173838 ~1988
19559063391181278 ~1988
19559159391183198 ~1988
195594371173566239 ~1989
19559951391199038 ~1988
19560059391201198 ~1988
19560323391206478 ~1988
19560503391210078 ~1988
195612071956120719 ~1990
195612611173675679 ~1989
19561343391226878 ~1988
19561439391228798 ~1988
195614811564918499 ~1989
19561499391229998 ~1988
195615131173690799 ~1989
19561859391237198 ~1988
19562243391244878 ~1988
Exponent Prime Factor Digits Year
195622611173735679 ~1989
19562531391250638 ~1988
195625731173754399 ~1989
19562831391256638 ~1988
19563119391262398 ~1988
19563431391268638 ~1988
195641771173850639 ~1989
195650591956505919 ~1990
195651711565213699 ~1989
19565783391315678 ~1988
19565831391316638 ~1988
19566359391327198 ~1988
195666673130666739 ~1990
195667611174005679 ~1989
19566863391337278 ~1988
19567403391348078 ~1988
19568123391362478 ~1988
19568303391366078 ~1988
195687292739622079 ~1990
195687771174126639 ~1989
195688311565506499 ~1989
19569299391385998 ~1988
19569311391386238 ~1988
19569419391388398 ~1988
19569611391392238 ~1988
1403
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25-05-04