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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
49524011990480238 ~1991
495243372971460239 ~1992
49524599990491998 ~1991
49526651990533038 ~1991
49527431990548638 ~1991
49528859990577198 ~1991
49529699990593998 ~1991
495299332971795999 ~1992
49533791990675838 ~1991
49533839990676798 ~1991
49536083990721678 ~1991
49536659990733198 ~1991
49536947118888672910 ~1994
49537811990756238 ~1991
49539239990784798 ~1991
49540103990802078 ~1991
49541659287341622310 ~1995
49541801188258843910 ~1994
49544303990886078 ~1991
495444473963555779 ~1993
49545971990919438 ~1991
49547339990946798 ~1991
49548071990961438 ~1991
49548419990968398 ~1991
495491093963928739 ~1993
Exponent Prime Factor Digits Year
49554863991097278 ~1991
49556183991123678 ~1991
49556723991134478 ~1991
49557419991148398 ~1991
49557659991153198 ~1991
49559423991188478 ~1991
49560611991212238 ~1991
49563179158602172910 ~1994
49564283565032826310 ~1995
49566493148699479110 ~1994
49566719991334398 ~1991
49567943991358878 ~1991
49568081237926788910 ~1994
49568483991369678 ~1991
49569479991389598 ~1991
49569959991399198 ~1991
495709913965679299 ~1993
495711773965694179 ~1993
495712394957123919 ~1993
495716537931464499 ~1993
49571771991435438 ~1991
49573019991460398 ~1991
495738773965910179 ~1993
495757514957575119 ~1993
495763132974578799 ~1992
Exponent Prime Factor Digits Year
49577179118985229710 ~1994
49578359991567198 ~1991
495791696941083679 ~1993
49580759991615198 ~1991
495816412974898479 ~1992
49581913109080208710 ~1994
49581971991639438 ~1991
495829372974976239 ~1992
49585691991713838 ~1991
49586711991734238 ~1991
49586891991737838 ~1991
495871212975227279 ~1992
49587731991754638 ~1991
49589651991793038 ~1991
49590371991807438 ~1991
495918893967351139 ~1993
495929573967436579 ~1993
49593143991862878 ~1991
49593311991866238 ~1991
49593839991876798 ~1991
49594943991898878 ~1991
495965572975793439 ~1992
49597259991945198 ~1991
49597979991959598 ~1991
49598519991970398 ~1991
Exponent Prime Factor Digits Year
49599551991991038 ~1991
49601243992024878 ~1991
49603523992070478 ~1991
49605923595271076110 ~1995
49610999992219998 ~1991
49611923992238478 ~1991
49612733426669503910 ~1995
496151096946115279 ~1993
49615463992309278 ~1991
49616111992322238 ~1991
49616579992331598 ~1991
49618451992369038 ~1991
49620299992405998 ~1991
49620443992408878 ~1991
49620911992418238 ~1991
49622399992447998 ~1991
49626911992538238 ~1991
49627703992554078 ~1991
49628459992569198 ~1991
496308772977852639 ~1992
49631303992626078 ~1991
496327878933901679 ~1993
49633043992660878 ~1991
49633679992673598 ~1991
49636019992720398 ~1991
2079
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25-07-08