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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
23161091463221838 ~1988
23161139463222798 ~1988
231614171389685039 ~1990
231616611389699679 ~1990
23161751463235038 ~1988
23162003463240078 ~1988
23162291463245838 ~1988
231622911852983299
231622916022195679
23162651463253038 ~1988
23162683152873707910 ~1992
23163383463267678 ~1988
23163563129715952910 ~1992
23163671463273438 ~1988
23163719463274398 ~1988
231640675559376099 ~1991
231642912316429119 ~1990
23164499463289998 ~1988
23165423463308478 ~1988
23165699463313998 ~1988
231659571389957439 ~1990
23166439203864663310 ~1993
23167031463340638 ~1988
23167103463342078 ~1988
23167139463342798 ~1988
Exponent Prime Factor Digits Year
23167211463344238 ~1988
23167751463355038 ~1988
23167979463359598 ~1988
231680691853445539 ~1990
23168903463378078 ~1988
23168963463379278 ~1988
23169743463394878 ~1988
23169959463399198 ~1988
23170079463401598 ~1988
23170151463403038 ~1988
23170523463410478 ~1988
23171339463426798 ~1988
23171363463427278 ~1988
23171471463429438 ~1988
231715731390294399 ~1990
23171831463436638 ~1988
23171903463438078 ~1988
23172059463441198 ~1988
231720591853764739
23172839463456798 ~1988
23173691463473838 ~1988
23173751463475038 ~1988
23173859111234523310 ~1992
23173883463477678 ~1988
231740035561760739 ~1991
Exponent Prime Factor Digits Year
231741312317413119 ~1990
23174159463483198 ~1988
231752391854019139 ~1990
231756171390537039 ~1990
231758578806825679 ~1992
23175983463519678 ~1988
23176199463523998 ~1988
23176619463532398 ~1988
23176691463533838 ~1988
231770712317707119 ~1990
23177183463543678 ~1988
231778371854226979 ~1990
231783411854267299 ~1990
23178371463567438 ~1988
231783771390702639 ~1990
23179199463583998 ~1988
231792371390754239 ~1990
23179283463585678 ~1988
231802731390816399 ~1990
23180519463610398 ~1988
231810173245342399 ~1991
23181023463620478 ~1988
23181131463622638 ~1988
23181239463624798 ~1988
23181503463630078 ~1988
Exponent Prime Factor Digits Year
23181731463634638 ~1988
231823311854586499 ~1990
23182739463654798 ~1988
23183159463663198 ~1988
23183351463667038 ~1988
23183411463668238 ~1988
23183603463672078 ~1988
23183711463674238 ~1988
23184071463681438 ~1988
23184263463685278 ~1988
23184671463693438 ~1988
23184743463694878 ~1988
23186459463729198 ~1988
23186711463734238 ~1988
23187179463743598 ~1988
231873792318737919 ~1990
23187431463748638 ~1988
231877371391264239 ~1990
23188271463765438 ~1988
23188283463765678 ~1988
231888891855111139 ~1990
23189051463781038 ~1988
23189459463789198 ~1988
23189591463791838 ~1988
23189843463796878 ~1988
1518
GIMPS The Prime Pages FactorDb.com
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25-04-13