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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
4033831645412978 ~1985
4033921242035278 ~1984
403397980679597 ~1983
403418380683677 ~1983
4034489322759138 ~1984
4034659403465918 ~1984
4034761242085678 ~1984
4034873242092398 ~1984
4034957322796578 ~1984
4035013242100798 ~1984
4035047322803778 ~1984
40350791694733199 ~1986
40351311049134079 ~1985
4035191726334398 ~1985
403520380704077 ~1983
403529980705997 ~1983
403543180708637 ~1983
403559980711997 ~1983
4035599322847938
4035677242140638 ~1984
4035677564994798
4036057242163438 ~1984
4036183403618318 ~1984
4036297242177838 ~1984
403645180729037 ~1983
Exp. Prime Factor Digits Year
4036517242191038 ~1984
40369091211072719 ~1985
4036927968862498 ~1985
403694380738877 ~1983
4036997242219838 ~1984
4037069322965538 ~1984
4037309189753523110 ~1988
4037447322995778 ~1984
4037521646003378 ~1985
4037729323018338 ~1984
4037771323021698 ~1984
4037821242269278 ~1984
403796380759277 ~1983
4038161323052898 ~1984
4038187646109938 ~1985
40382471373003999 ~1986
403831180766237 ~1983
40383232019161519 ~1986
4038481646156978 ~1985
403853980770797 ~1983
4038701242322078 ~1984
4038701323096098
4038739969297378 ~1985
4038767323101378 ~1984
403879180775837 ~1983
Exp. Prime Factor Digits Year
4038799726983838 ~1985
403880380776077 ~1983
4038893242333598 ~1984
4038893565445038
403889980777997 ~1983
4038907403890718 ~1984
4039019323121538 ~1984
4039037323122978 ~1984
403904380780877 ~1983
4039051727029198 ~1985
4039073242344398 ~1984
4039397242363838 ~1984
4039589565542478 ~1985
4039597242375838 ~1984
4039831403983118 ~1984
4039949565592878 ~1985
40399573151166479 ~1986
4039957167254219910
403999180799837 ~1983
4040011727201998 ~1985
40400212504813039 ~1986
40402871616114819 ~1986
404041180808237 ~1983
4040573565680238 ~1985
40406831697086879 ~1986
Exp. Prime Factor Digits Year
4040921242455278 ~1984
4041073646571698 ~1985
4041203969888738 ~1985
4041361646617778 ~1985
4041581242494878 ~1984
4041619727491438 ~1985
404168380833677 ~1983
4041883970051938 ~1985
404189980837997 ~1983
4041931404193118 ~1984
4041979404197918 ~1984
4042057144705640710 ~1988
404216380843277 ~1983
404233180846637 ~1983
4042333646773298 ~1985
4042471404247118 ~1984
4042543404254318 ~1984
40425474851056419 ~1987
4042673242560398 ~1984
4042873889432078 ~1985
404311180862237 ~1983
40431731212951919 ~1985
4043177566044798 ~1985
40434011940832499 ~1986
4043509889571998 ~1985
617
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26-02-08