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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
13955783279115678 ~1987
13955891279117838 ~1987
139561973349487299 ~1989
13956599279131998 ~1987
13956731279134638 ~1987
139567311116538499
139570793349698979 ~1989
13957283279145678 ~1987
13957451279149038 ~1987
13957877837472638 ~1988
139580471395804719 ~1988
13958051279161038 ~1987
13958291279165838 ~1987
13958303279166078 ~1987
13958363279167278 ~1987
13959073837544398 ~1988
13959359279187198 ~1987
13959503279190078 ~1987
139597792512760239 ~1989
13959791279195838 ~1987
139597912512762399
13960501142397110310 ~1991
139606191116849539 ~1988
13960631279212638 ~1987
139612511396125119 ~1988
Exponent Prime Factor Digits Year
13961639279232798 ~1987
13961861837711678 ~1988
13961891279237838 ~1987
13961933837715998 ~1988
13962779279255598 ~1987
13963259279265198 ~1987
13963331279266638 ~1987
13963639181527307110 ~1991
13963871279277438 ~1987
139639311117114499 ~1988
13963979279279598 ~1987
13963991279279838 ~1987
13964219773617732710 ~1993
13964603279292078 ~1987
13964759279295198 ~1987
13964903279298078 ~1987
13964963279299278 ~1987
13965179279303598 ~1987
13965599279311998 ~1987
139657011117256099 ~1988
13965719279314398 ~1987
13965797837947838 ~1988
13966091279321838 ~1987
139667216704026099 ~1990
13967221838033278 ~1988
Exponent Prime Factor Digits Year
139672695586907619 ~1990
13967363279347278 ~1987
139673833352171939 ~1989
139680891117447139 ~1988
139685232234963699 ~1989
13968599279371998 ~1987
13969079279381598 ~1987
13969139279382798 ~1987
13969391279387838 ~1987
13969583279391678 ~1987
139697412235158579 ~1989
13969799279395998 ~1987
139702872235245939 ~1989
13970459279409198 ~1987
13970501838230078 ~1988
13970543279410878 ~1987
13970701838242078 ~1988
13970711279414238 ~1987
13970917838255038 ~1988
139711512235384179 ~1989
13971371279427438 ~1987
13971539279430798 ~1987
139715395868046399
13971599279431998 ~1987
13971781838306878 ~1988
Exponent Prime Factor Digits Year
13971791279435838 ~1987
13971911279438238 ~1987
13971941838316478 ~1988
13972379279447598 ~1987
13972741838364478 ~1988
139731291117850339 ~1988
13973279279465598 ~1987
13973363279467278 ~1987
13973951279479038 ~1987
13974743279494878 ~1987
139749791397497919 ~1988
13975499279509998 ~1987
139758672515656079 ~1989
139759933074718479 ~1989
13976041838562478 ~1988
13976093838565598 ~1988
139765191118121539 ~1988
139765872236253939 ~1989
139766571118132579 ~1988
13977191279543838 ~1987
13977251279545038 ~1987
139773291118186339 ~1988
13977611279552238 ~1987
13978571279571438 ~1987
13978691279573838 ~1987
1191
GIMPS The Prime Pages FactorDb.com
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25-04-13