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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
21764663435293278 ~1988
21765479435309598 ~1988
21765743435314878 ~1988
21765851435317038 ~1988
21766259435325198 ~1988
217665971305995839 ~1989
21767171435343438 ~1988
217673771306042639 ~1989
21767411435348238 ~1988
217674111741392899
217677171306063039 ~1989
21768179435363598 ~1988
21768203435364078 ~1988
21768431435368638 ~1988
21768611435372238 ~1988
21769151435383038 ~1988
217695411741563299 ~1990
217697576530927119 ~1991
21769823435396478 ~1988
21769931435398638 ~1988
21771671435433438 ~1988
21771791435435838 ~1988
21771983435439678 ~1988
21772379435447598 ~1988
217731771306390639 ~1989
Exponent Prime Factor Digits Year
217732011306392079 ~1989
217732513919185199 ~1991
21773399435467998 ~1988
21773579435471598 ~1988
21774143435482878 ~1988
21774359435487198 ~1988
217754091742032739 ~1990
217754898710195619 ~1991
21776123435522478 ~1988
217762211306573279 ~1989
21776351435527038 ~1988
21776543435530878 ~1988
21776759435535198 ~1988
217779971306679839 ~1989
217781573048941999 ~1990
21778439435568798 ~1988
21778499435569998 ~1988
21778703435574078 ~1988
217787271742298179 ~1990
21778931435578638 ~1988
21779123435582478 ~1988
217793411306760479 ~1989
21779591435591838 ~1988
21779759435595198 ~1988
21780743435614878 ~1988
Exponent Prime Factor Digits Year
217807611742460899 ~1990
21780779435615598 ~1988
21781223435624478 ~1988
21781631435632638 ~1988
217816491742531939 ~1990
21782339435646798 ~1988
21782963435659278 ~1988
21783011435660238 ~1988
21783071435661438 ~1988
217831491742651939 ~1990
21783431435668638 ~1988
21783659435673198 ~1988
21783719435674398 ~1988
21784043435680878 ~1988
21784439435688798 ~1988
21784739435694798 ~1988
21784883435697678 ~1988
21784943435698878 ~1988
21785579435711598 ~1988
21785663435713278 ~1988
21785843435716878 ~1988
21786263435725278 ~1988
21787751435755038 ~1988
21788099435761998 ~1988
21788159435763198 ~1988
Exponent Prime Factor Digits Year
21789191435783838 ~1988
217893771743150179 ~1990
21789899435797998 ~1988
21790091435801838 ~1988
21791519435830398 ~1988
21792119435842398 ~1988
21792503435850078 ~1988
21792863435857278 ~1988
21792923435858478 ~1988
21793151435863038 ~1988
217935371307612239 ~1989
21793631435872638 ~1988
21793763435875278 ~1988
21794543435890878 ~1988
21794939435898798 ~1988
21795563435911278 ~1988
217957371743658979 ~1990
21796319435926398 ~1988
21796343435926878 ~1988
21796583435931678 ~1988
21797063435941278 ~1988
21797159435943198 ~1988
21797423435948478 ~1988
21797651435953038 ~1988
21797843435956878 ~1988
1424
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24-10-27