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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
15780623315612478 ~1987
157808278837263139 ~1991
15780983315619678 ~1987
157810971262487779 ~1989
157821474103358239 ~1990
15782471315649438 ~1987
15782603315652078 ~1987
15782639315652798 ~1987
15783143315662878 ~1987
15783233946993998 ~1988
15783263315665278 ~1987
15783373947002398 ~1988
15783431315668638 ~1987
15783437947006238 ~1988
15784199315683998 ~1987
15784271315685438 ~1987
15784577947074638 ~1988
15784679315693598 ~1987
15784799315695998 ~1987
157849312841287599 ~1990
15785111315702238 ~1987
15785459315709198 ~1987
15785461947127678 ~1988
15785531315710638 ~1987
15785699315713998 ~1987
Exponent Prime Factor Digits Year
15786503315730078 ~1987
15786791315735838 ~1987
15786893947213598 ~1988
15786923315738478 ~1987
15787151315743038 ~1987
15787273947236398 ~1988
157872733473200079
157878733789089539 ~1990
15788173947290398 ~1988
157883893473445599 ~1990
15788453947307198 ~1988
157885512526168179 ~1989
15788873947332398 ~1988
157889871263118979 ~1989
15789533947371998 ~1988
157896295052681299 ~1990
15790057947403438 ~1988
157902411263219299 ~1989
157905494737164719 ~1990
157907691263261539 ~1989
15790991315819838 ~1987
15791339315826798 ~1987
157913391263307139
15791513947490798 ~1988
15791543315830878 ~1987
Exponent Prime Factor Digits Year
15791843315836878 ~1987
157920834105941599 ~1990
15792737947564238 ~1988
15792853947571198 ~1988
15792937947576238 ~1988
157929773790314499 ~1990
15793451315869038 ~1987
15793643315872878 ~1987
15793703315874078 ~1987
15793873947632398 ~1988
15794501947670078 ~1988
15794711315894238 ~1987
15794783315895678 ~1987
15795239315904798 ~1987
15795599315911998 ~1987
15795683315913678 ~1987
15796223315924478 ~1987
157966671263733379 ~1989
15796751315935038 ~1987
15797291315945838 ~1987
15797317947839038 ~1988
15797363315947278 ~1987
15797399315947998 ~1987
15797413947844798 ~1988
15797459315949198 ~1987
Exponent Prime Factor Digits Year
157978071263824579 ~1989
15797843315956878 ~1987
15797891315957838 ~1987
15798059315961198 ~1987
157982572426612275311 ~1994
15798599315971998 ~1987
15798613947916798 ~1988
15798683315973678 ~1987
157990271579902719 ~1989
157991093791786179 ~1990
15799139315982798 ~1987
15799271315985438 ~1987
157996871579968719 ~1989
15800417948025038 ~1988
158010596636444799 ~1990
15801323316026478 ~1987
158014191264113539 ~1989
15801743316034878 ~1987
15802379316047598 ~1987
15802693948161598 ~1988
15802859316057198 ~1987
15803171316063438 ~1987
15803279316065598 ~1987
15803363316067278 ~1987
158033991264271939 ~1989
1382
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26-08-30