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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
23145203462904078 ~1989
23146223462924478 ~1989
23146439462928798 ~1989
23146559462931198 ~1989
231468114166425999 ~1991
23147279462945598 ~1989
23147651462953038 ~1989
23147783462955678 ~1989
231480531388883199 ~1990
23148239462964798 ~1989
23148731462974638 ~1989
231495072314950719 ~1990
23149811462996238 ~1989
231498731388992399 ~1990
23150051463001038 ~1989
231502333704037299 ~1991
23150663463013278 ~1989
231507912315079119 ~1990
23150843463016878 ~1989
23151083463021678 ~1989
23151277495437327910 ~1993
231515592315155919 ~1990
231516291852130339 ~1990
23151743463034878 ~1989
23151959463039198 ~1989
Exponent Prime Factor Digits Year
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
23157059463141198 ~1989
23157311463146238 ~1989
23157419463148398 ~1989
23157479463149598 ~1989
23157503463150078 ~1989
23157611463152238 ~1989
23157839463156798 ~1989
23159303463186078 ~1989
23159399463187998 ~1989
23159639463192798 ~1989
23159663463193278 ~1989
23159963463199278 ~1989
Exponent Prime Factor Digits Year
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
23163671463273438 ~1989
23163719463274398 ~1989
231640675559376099 ~1991
231642912316429119 ~1990
23164499463289998 ~1989
23165423463308478 ~1989
23165699463313998 ~1989
Exponent Prime Factor Digits Year
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
23171471463429438 ~1989
231715731390294399 ~1990
23171831463436638 ~1989
23171903463438078 ~1989
23172059463441198 ~1989
231720591853764739
23172839463456798 ~1989
1553
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25-08-20