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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
49498283989965678 ~1991
49498451989969038 ~1991
494995812969974879 ~1992
49499603989992078 ~1991
49499803445498227110 ~1995
49500023990000478 ~1991
49500239990004798 ~1991
49500359990007198 ~1991
49501223990024478 ~1991
49501691990033838 ~1991
495032474950324719 ~1993
495032532970195199 ~1992
495041212970247279 ~1992
49504379990087598 ~1991
49504571990091438 ~1991
49506071990121438 ~1991
495080573960644579 ~1993
49508111990162238 ~1991
495081412970488479 ~1992
49509143990182878 ~1991
495091994950919919 ~1993
49509359990187198 ~1991
49509623990192478 ~1991
495109972970659839 ~1992
495112612970675679 ~1992
Exponent Prime Factor Digits Year
495133132138975121711 ~1997
495134412970806479 ~1992
495145373961162979 ~1993
49514603990292078 ~1991
49515443990308878 ~1991
49516391990327838 ~1991
49517399990347998 ~1991
49518071990361438 ~1991
495192914951929119 ~1993
49522223990444478 ~1991
495222612971335679 ~1992
49522439990448798 ~1991
49522727366468179910 ~1995
495237532971425199 ~1992
49524011990480238 ~1991
495243372971460239 ~1992
49524599990491998 ~1991
49526651990533038 ~1991
49527431990548638 ~1991
49528859990577198 ~1991
49529699990593998 ~1991
495299332971795999 ~1992
49533791990675838 ~1991
49533839990676798 ~1991
49536083990721678 ~1991
Exponent Prime Factor Digits Year
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
49554863991097278 ~1991
49556183991123678 ~1991
49556723991134478 ~1991
49557419991148398 ~1991
49557659991153198 ~1991
49559423991188478 ~1991
49560611991212238 ~1991
49563179158602172910 ~1994
49564283565032826310 ~1995
49566493148699479110 ~1994
49566719991334398 ~1991
Exponent Prime Factor Digits Year
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
49577179118985229710 ~1994
49578359991567198 ~1991
495791696941083679 ~1993
49580759991615198 ~1991
495816412974898479 ~1992
49581913109080208710 ~1994
49581971991639438 ~1991
49585691991713838 ~1991
49586711991734238 ~1991
49586891991737838 ~1991
495871212975227279 ~1992
2028
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25-04-13