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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
4127933990703938 ~1985
412795182559037 ~1983
4128013990723138 ~1985
412835982567197 ~1983
41284271651370819 ~1986
4128521247711278 ~1984
4128533247711998 ~1984
4128557247713438 ~1984
4128557577997998
4128827743188878 ~1985
4128877247732638 ~1984
4129003412900318 ~1984
4129031330322498 ~1984
4129057660649138 ~1985
4129241247754478 ~1984
4129313247758798 ~1984
412934382586877 ~1983
4129751288256619910 ~1989
412987182597437 ~1983
412994382598877 ~1983
413011182602237 ~1983
41301438921108899 ~1988
4130309330424738 ~1984
4130437247826238 ~1984
413045982609197 ~1983
Exp. Prime Factor Digits Year
4130681330454498 ~1984
413069982613997 ~1983
4131073247864398 ~1984
4131223660995698 ~1985
4131229908870398 ~1985
413137182627437 ~1983
4131473578406238 ~1985
4131643661062898 ~1985
4131661247899678 ~1984
413179182635837 ~1983
413183982636797 ~1983
4131839330547138
4132031330562498 ~1984
413221182644237 ~1983
4132361247941678 ~1984
41323691983537139 ~1986
413239182647837 ~1983
4132421247945278 ~1984
4132511330600898 ~1984
413261982652397 ~1983
4132619330609538
413267982653597 ~1983
4133113247986798 ~1984
413321982664397 ~1983
41336111736116639 ~1986
Exp. Prime Factor Digits Year
4133617661378738 ~1985
4133837578737198 ~1985
4134413578817838 ~1985
4134467330757378 ~1984
413455182691037 ~1983
413465982693197 ~1983
4134679413467918 ~1984
4134701248082078 ~1984
413471982694397 ~1983
4134737992336898 ~1985
413474382694877 ~1983
4134857248091438 ~1984
4135123413512318 ~1984
413515182703037 ~1983
4135297661647538 ~1985
4135457248127438 ~1984
4135829330866338 ~1984
4135847744452478 ~1985
4135921661747378 ~1985
413599182719837 ~1983
413612382722477 ~1983
413635182727037 ~1983
4136521661843378 ~1985
413666382733277 ~1983
4136669330933538 ~1984
Exp. Prime Factor Digits Year
4136681330934498 ~1984
4136761248205678 ~1984
4136773248206398 ~1984
413693982738797 ~1983
41369991737539599 ~1986
413735982747197 ~1983
413749182749837 ~1983
413767182753437 ~1983
41377371986113779 ~1986
41377731324087379 ~1986
4137781662044978 ~1985
4137857331028578 ~1984
41378711655148419 ~1986
4137929579310078 ~1985
4138073579330238 ~1985
413822382764477 ~1983
413845182769037 ~1983
4138513662162098 ~1985
413858382771677 ~1983
41386271407133199 ~1986
4138877331110178 ~1984
4138987413898718 ~1984
41393291986877939 ~1986
4139417248365038 ~1984
413969982793997 ~1983
619
GIMPS The Prime Pages FactorDb.com
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25-10-26