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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
3731621223897278 ~1983
3731803149272120110 ~1988
3731851671733198 ~1985
3732139373213918 ~1984
37321611194291539 ~1985
3732173522504238 ~1984
373220374644077 ~1982
3732217223933038 ~1983
373238374647677 ~1982
37323831194362579
37324095300020799 ~1987
3732437223946238 ~1983
37324391567624399 ~1986
3732467671844078 ~1985
373247974649597 ~1982
37326911791691699 ~1986
373271974654397 ~1982
3732761223965678 ~1983
373279174655837 ~1982
3733003373300318 ~1984
3733111373311118 ~1984
373321174664237 ~1982
3733229522652078 ~1984
3733271298661698 ~1984
373351174670237 ~1982
Exp. Prime Factor Digits Year
3734057298724578 ~1984
3734113597458098 ~1985
3734117298729378 ~1984
373418374683677 ~1982
3734413224064798 ~1983
373451974690397 ~1982
3734749821644798 ~1985
373490374698077 ~1982
37351011195232339 ~1985
3735139257724591110 ~1989
373532374706477 ~1982
373544374708877 ~1982
3735449298835938 ~1984
3735553224133198 ~1983
3735737298858978 ~1984
37359676650021279 ~1987
3736087373608718 ~1984
3736133224167998 ~1983
3736133523058638
37362191569211999 ~1986
3736279672530238 ~1985
37362796874753379
3736477224188638 ~1983
3736981224218878 ~1983
373703974740797 ~1982
Exp. Prime Factor Digits Year
3737047672668478 ~1985
373718374743677 ~1982
373723174744637 ~1982
37372311195913939
3737291298983298 ~1984
3737557598009138 ~1985
373757974751597 ~1982
3737597299007778 ~1984
373766374753277 ~1982
373784374756877 ~1982
3737893224273598 ~1983
3737933523310638 ~1984
373802374760477 ~1982
3738103373810318 ~1984
3738157224289438 ~1983
373819174763837 ~1982
3738233523352638 ~1984
3738353523369438 ~1984
3738391598142578 ~1985
3738401224304078 ~1983
3738457224307438 ~1983
373855174771037 ~1982
3738853598216498 ~1985
373913974782797 ~1982
373916374783277 ~1982
Exp. Prime Factor Digits Year
37393975609095519 ~1987
3739843598374898 ~1985
3739867598378738 ~1985
373994374798877 ~1982
3739999897599778 ~1985
37401891122056719 ~1985
374033974806797 ~1982
3740519673293438 ~1985
374078374815677 ~1982
374087974817597 ~1982
3741167897880098 ~1985
374123974824797 ~1982
3741253224475198 ~1983
374138374827677 ~1982
374143174828637 ~1982
3741449523802878 ~1984
3741593523823038 ~1984
3741653523831438 ~1984
3741737224504238 ~1983
3742033598725298 ~1985
3742099673577838 ~1985
3742133224527998 ~1983
37422675987627219 ~1987
374228374845677 ~1982
374239174847837 ~1982
578
GIMPS The Prime Pages FactorDb.com
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25-09-07