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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
23151083463021678 ~1989
23151277495437327910 ~1993
231515592315155919 ~1990
231516291852130339 ~1990
23151743463034878 ~1989
23151959463039198 ~1989
23152463463049278 ~1989
23153051463061038 ~1989
231536931389221599 ~1990
23153699463073998 ~1989
23153843463076878 ~1989
23153891463077838 ~1989
23154011463080238 ~1989
23154143463082878 ~1989
23154251463085038 ~1989
231546237409479379 ~1991
231557112315571119 ~1990
231561733704987699 ~1991
23156207152830966310 ~1992
231568032315680319 ~1990
23157059463141198 ~1989
23157311463146238 ~1989
23157419463148398 ~1989
23157479463149598 ~1989
23157503463150078 ~1989
Exponent Prime Factor Digits Year
23157611463152238 ~1989
23157839463156798 ~1989
23159303463186078 ~1989
23159399463187998 ~1989
23159639463192798 ~1989
23159663463193278 ~1989
23159963463199278 ~1989
231600971389605839 ~1990
231602833705645299 ~1991
23160911463218238 ~1989
231609133705746099 ~1991
23161091463221838 ~1989
23161139463222798 ~1989
231614171389685039 ~1990
231616611389699679 ~1990
23161751463235038 ~1989
23162003463240078 ~1989
231620037411840979
23162291463245838 ~1989
231622911852983299
231622916022195679
23162651463253038 ~1989
23162683152873707910 ~1992
23163383463267678 ~1989
23163563129715952910 ~1992
Exponent Prime Factor Digits Year
23163671463273438 ~1989
23163719463274398 ~1989
231640675559376099 ~1991
231642912316429119 ~1990
23164499463289998 ~1989
23165423463308478 ~1989
23165699463313998 ~1989
231659571389957439 ~1990
23166439203864663310 ~1993
23167031463340638 ~1989
23167103463342078 ~1989
23167139463342798 ~1989
23167211463344238 ~1989
23167751463355038 ~1989
23167979463359598 ~1989
231680691853445539 ~1990
23168903463378078 ~1989
23168963463379278 ~1989
23169743463394878 ~1989
23169959463399198 ~1989
23170079463401598 ~1989
23170151463403038 ~1989
23170523463410478 ~1989
23171339463426798 ~1989
23171363463427278 ~1989
Exponent Prime Factor Digits Year
23171471463429438 ~1989
231715731390294399 ~1990
23171831463436638 ~1989
23171903463438078 ~1989
23172059463441198 ~1989
231720591853764739
23172839463456798 ~1989
23173691463473838 ~1989
23173751463475038 ~1989
23173859111234523310 ~1992
23173883463477678 ~1989
231740035561760739 ~1991
231741312317413119 ~1990
23174159463483198 ~1989
231752391854019139 ~1990
231756171390537039 ~1990
231758578806825679 ~1992
23175983463519678 ~1989
23176199463523998 ~1989
23176619463532398 ~1989
23176691463533838 ~1989
231770712317707119 ~1990
23177183463543678 ~1989
231778371854226979 ~1990
231783411854267299 ~1990
1575
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25-11-02