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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.
Exp. Prime Factor Digits Year
6372361382341678 ~1985
6372521509801698 ~1986
6372539127450798 ~1984
6372563127451278 ~1984
63726232676501679 ~1987
63729671147134079 ~1986
6373271127465438 ~1984
6373319127466398 ~1984
63734692039510099 ~1987
6373481127469620110 ~1989
6373571509885698 ~1986
6373837151697320710 ~1989
6373931127478638 ~1984
6374051127481038 ~1984
6374057382443438 ~1985
6374213382452798 ~1985
6374339127486798 ~1984
6374573382474398 ~1985
6374831127496638 ~1984
6375191127503838 ~1984
6375557382533438 ~1985
6375701382542078 ~1985
6375947510075778 ~1986
6375959127519198 ~1984
6376031127520638 ~1984
Exp. Prime Factor Digits Year
6376031510082498
6376057382563438 ~1985
6376081382564878 ~1985
6376133892658638 ~1986
63763991147751839 ~1986
63764531020232499 ~1986
6376739510139138 ~1986
6376829510146338 ~1986
6377081382624878 ~1985
6377177382630638 ~1985
6377411510192898 ~1986
6377603127552078 ~1984
6377639127552798 ~1984
6377753382665198 ~1985
6377773382666398 ~1985
6377951127559038 ~1984
6377963127559278 ~1984
6378389510271138 ~1986
6378563127571278 ~1984
6378767510301378 ~1986
6378781382726878 ~1985
6379049893066878 ~1986
6379091127581838 ~1984
6379237382754238 ~1985
6379283127585678 ~1984
Exp. Prime Factor Digits Year
6379531637953118 ~1986
6379819637981918 ~1986
6379883127597678 ~1984
6380027510402178 ~1986
6380161382809678 ~1985
6380263638026318 ~1986
6380497382829838 ~1985
6381059127621198 ~1984
6381077510486178 ~1986
6381217382873038 ~1985
6381251510500098 ~1986
6381299127625998 ~1984
6381337382880238 ~1985
6381497382889838 ~1985
6381671127633438 ~1984
6381719510537538 ~1986
6381863127637278 ~1984
6382073382924398 ~1985
6382139510571138 ~1986
6382151127643038 ~1984
6382199510575938 ~1986
6382469510597538 ~1986
6382583127651678 ~1984
6382811510624898 ~1986
6382951638295118 ~1986
Exp. Prime Factor Digits Year
6383261382995678 ~1985
6383317382999038 ~1985
6383453383007198 ~1985
63836091532066179 ~1987
6383621383017278 ~1985
63838934468725119 ~1988
6384359127687198 ~1984
6384619638461918 ~1986
6385117383107038 ~1985
6385399638539918 ~1986
6385733383143998 ~1985
6385739510859138 ~1986
63857411021718579 ~1986
6385751127715038 ~1984
6385859127717198 ~1984
6385997383159838 ~1985
63867491405084799 ~1987
63870412427075599 ~1987
63870612938048079 ~1987
6387131510970498 ~1986
6387383127747678 ~1984
6387413383244798 ~1985
6387961383277678 ~1985
6387977511038178 ~1986
6388337511066978 ~1986
744
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24-05-13