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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
651962031303924079 ~1992
651981295215850339 ~1993
651985791303971599 ~1992
651996013911976079 ~1993
652007213912043279 ~1993
652010631304021279 ~1992
652045431304090879 ~1992
652052815216422499 ~1993
652061391304122799 ~1992
652064391304128799 ~1992
652071711304143439 ~1992
65208217104333147310 ~1994
652105911304211839 ~1992
652114791304229599 ~1992
652118511304237039 ~1992
652121095216968739 ~1993
652122231304244479 ~1992
652150133912900799 ~1993
652174133913044799 ~1993
652180191304360399 ~1992
652199631304399279 ~1992
65220457104352731310 ~1994
652211333913267999 ~1993
652262575218100579 ~1993
65227667117409800710 ~1994
Exponent Prime Factor Digits Year
65232313104371700910 ~1994
65233523169607159910 ~1995
652337991304675999 ~1992
652347591304695199 ~1992
652352511304705039 ~1992
652355579132977999 ~1994
652358933914153599 ~1993
652362711304725439 ~1992
652371711304743439 ~1992
652377591304755199 ~1992
652405791304811599 ~1992
652416373914498239 ~1993
65243963169634303910 ~1995
652440831304881679 ~1992
652447791304895599 ~1992
65246917260987668110 ~1995
652469573914817439 ~1993
652478631304957279 ~1992
652516911305033839 ~1992
652517991305035999 ~1992
652557779135808799 ~1994
65256913104411060910 ~1994
652594431305188879 ~1992
65259739117467530310 ~1994
652607339136502639 ~1994
Exponent Prime Factor Digits Year
652615933915695599 ~1993
652622995220983939 ~1993
652624791305249599 ~1992
652637031305274079 ~1992
652639311305278639 ~1992
652653111305306239 ~1992
652672431305344879 ~1992
652683115221464899 ~1993
652683231305366479 ~1992
65269223156646135310 ~1995
652692413916154479 ~1993
652697339137762639 ~1994
652697511305395039 ~1992
652705813916234879 ~1993
652751939138527039 ~1994
65277097195831291110 ~1995
65278949195836847110 ~1995
652829991305659999 ~1992
652845591305691199 ~1992
652846791305693599 ~1992
652855431305710879 ~1992
65285923156686215310 ~1995
652865031305730079 ~1992
652885013917310079 ~1993
652900911305801839 ~1992
Exponent Prime Factor Digits Year
652918791305837599 ~1992
652931031305862079 ~1992
652942191305884399 ~1992
652944796529447919 ~1994
652952991305905999 ~1992
65295407117531732710 ~1994
652955995223647939 ~1993
652960933917765599 ~1993
652963813917782879 ~1993
652977231305954479 ~1992
653000213918001279 ~1993
653002191306004399 ~1992
653006991306013999 ~1992
653014191306028399 ~1992
65302667117544800710 ~1994
653032191306064399 ~1992
653052831306105679 ~1992
653059311306118639 ~1992
653076111306152239 ~1992
653097591306195199 ~1992
653115175224921379 ~1993
653115831306231679 ~1992
653119133918714799 ~1993
653125431306250879 ~1992
653144716531447119 ~1994
2195
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25-05-04