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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
177164531062987199 ~1989
17716631354332638 ~1988
17716799354335998 ~1988
17717039354340798 ~1988
17717099354341998 ~1988
17717951354359038 ~1988
17718419354368398 ~1988
177196016733448399 ~1991
17720231354404638 ~1988
17720459354409198 ~1988
177205873189705679 ~1990
17720771354415438 ~1988
177209171063255039 ~1989
17721083354421678 ~1988
17722403354448078 ~1988
177226972481177599 ~1990
17722931354458638 ~1988
17723003354460078 ~1988
17723099354461998 ~1988
17723243354464878 ~1988
17723411354468238 ~1988
17723591354471838 ~1988
17723759354475198 ~1988
17723963354479278 ~1988
177240111417920899 ~1989
Exponent Prime Factor Digits Year
17724383354487678 ~1988
177244931063469599 ~1989
177246131063476799 ~1989
177253074254073699 ~1990
17725523354510478 ~1988
17725811354516238 ~1988
17725943354518878 ~1988
177261317090452419 ~1991
17726171354523438 ~1988
17726339354526798 ~1988
177264971063589839 ~1989
17726711354534238 ~1988
17727023354540478 ~1988
17727191354543838 ~1988
17727263354545278 ~1988
17727299354545998 ~1988
177273711418189699 ~1989
17727431354548638 ~1988
17728103354562078 ~1988
177284532836552499 ~1990
17728499354569998 ~1988
17728583354571678 ~1988
17728619354572398 ~1988
17728751354575038 ~1988
177289671418317379 ~1989
Exponent Prime Factor Digits Year
177290571063743439 ~1989
177291714609584479 ~1990
17729279354585598 ~1988
17729399354587998 ~1988
17729819354596398 ~1988
17730071354601438 ~1988
17730299354605998 ~1988
17730623354612478 ~1988
177313194255516579 ~1990
177323811418590499 ~1989
177325871773258719 ~1989
17732723354654478 ~1988
17732753184420631310 ~1992
177331793191972239 ~1990
177338111773381119 ~1989
17733923354678478 ~1988
177339771064038639 ~1989
177341771064050639 ~1989
177342731064056399 ~1989
177343131064058799 ~1989
177349731064098399 ~1989
17735279354705598 ~1988
17735639354712798 ~1988
17735891354717838 ~1988
17736011354720238 ~1988
Exponent Prime Factor Digits Year
177361631773616319 ~1989
17736203354724078 ~1988
17736263354725278 ~1988
17736419354728398 ~1988
17736923354738478 ~1988
17737019354740398 ~1988
17737631354752638 ~1988
177376611419012899 ~1989
17737691354753838 ~1988
177378291419026339 ~1989
177378772483302799 ~1990
17737931354758638 ~1988
177389092483447279 ~1990
17739191354783838 ~1988
17739443354788878 ~1988
177403132483643839 ~1990
177408471419267779 ~1989
177409914612657679 ~1990
177410231774102319 ~1989
177410335322309919 ~1990
17741039354820798 ~1988
17741051354821038 ~1988
17741351354827038 ~1988
17741879354837598 ~1988
17742503354850078 ~1988
1348
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25-06-08