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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
4123871742296798 ~1985
41238915361058319 ~1987
4123913577347838 ~1985
412394382478877 ~1983
41239491979495539 ~1986
4123967742314078 ~1985
41241231072271999 ~1985
4124287742371678 ~1985
4124381247462878 ~1984
41243811319801939
4124443182300380710 ~1988
4124507329960578 ~1984
412465182493037 ~1983
4124717247483038 ~1984
412508382501677 ~1983
4125137247508238 ~1984
4125181907539838 ~1985
4125281247516878 ~1984
41252872062643519 ~1986
4125371330029698 ~1984
4125403660064498 ~1985
4125419742575438 ~1985
412543182508637 ~1983
41254316270655139
4125497247529838 ~1984
Exp. Prime Factor Digits Year
4125703990168738 ~1985
4125839330067138 ~1984
4126093247565598 ~1984
4126313577683838 ~1985
4126513247590798 ~1984
4126697330135778 ~1984
4126757247605438 ~1984
4126769577747678 ~1985
4126799330143938 ~1984
4127003990480738 ~1985
412711182542237 ~1983
4127273247636398 ~1984
412772382554477 ~1983
41277371651094819 ~1986
412789182557837 ~1983
4127933990703938 ~1985
412795182559037 ~1983
4128013990723138 ~1985
4128023990725538 ~1985
412835982567197 ~1983
41284271651370819 ~1986
4128521247711278 ~1984
4128533247711998 ~1984
4128557247713438 ~1984
4128557577997998
Exp. Prime Factor Digits Year
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
4130479743486238 ~1985
4130681330454498 ~1984
413069982613997 ~1983
4130947743570478 ~1985
4131073247864398 ~1984
4131223660995698 ~1985
4131229908870398 ~1985
413137182627437 ~1983
4131473578406238 ~1985
Exp. Prime Factor Digits Year
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
4133617661378738 ~1985
4133837578737198 ~1985
4134413578817838 ~1985
4134467330757378 ~1984
413455182691037 ~1983
413465982693197 ~1983
4134679413467918 ~1984
628
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26-03-15