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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
1902209266309278 ~1982
19022393652298899 ~1985
1902287951143518 ~1983
1902301114138078 ~1981
190231138046237 ~1980
190261138052237 ~1980
1902611152208898
1902613456627138 ~1983
1902653114159198 ~1981
190283938056797 ~1980
1902917152233378 ~1982
1902977456714498 ~1983
1903061114183678 ~1981
1903081418677838 ~1983
190310338062077 ~1980
19031996432812639 ~1985
1903339342601038 ~1982
1903373114202398 ~1981
1903459190345918 ~1982
190346338069277 ~1980
1903463494900398
1903673609175378 ~1983
190393138078637 ~1980
1903991152319298 ~1982
1904041114242478 ~1981
Exp. Prime Factor Digits Year
1904093114245598 ~1981
1904701304752178 ~1982
190495138099037 ~1980
190502338100477 ~1980
19051618230295539 ~1986
1905361320100648110 ~1987
190538338107677 ~1980
1905593114335598 ~1981
1905593266783038
1905737152458978 ~1982
1905767495499438 ~1983
1905781762312418 ~1983
190598338119677 ~1980
1906117114367038 ~1981
190637938127597 ~1980
1906393114383598 ~1981
190651138130237 ~1980
1906691152535298 ~1982
1906693572007918 ~1983
1906733114403998 ~1981
1906867343236078 ~1982
1906987190698718 ~1982
1907041762816418 ~1983
190706338141277 ~1980
1907233457735938 ~1983
Exp. Prime Factor Digits Year
190729138145837 ~1980
190730338146077 ~1980
1907357114441438 ~1981
1907357152588578
19074831373387779 ~1984
1907561152604898 ~1982
1907623190762318 ~1982
1907687152614978 ~1982
190781938156397 ~1980
1907849610511698 ~1983
190790338158077 ~1980
1907909152632738 ~1982
190796338159277 ~1980
190808338161677 ~1980
1908089152647138 ~1982
1908091190809118 ~1982
19081331831807699 ~1984
1908239457977378 ~1983
190829938165997 ~1980
190831138166237 ~1980
190832338166477 ~1980
1908343190834318 ~1982
1908343458002338
1908407343513278 ~1982
1908449267182878 ~1982
Exp. Prime Factor Digits Year
1908611152688898 ~1982
1908617114517038 ~1981
1908631305380978 ~1982
190877938175597 ~1980
1908971610870738 ~1983
1908997114539838 ~1981
1909027305444338 ~1982
19091211183655039 ~1984
19091471107305279 ~1984
190922338184477 ~1980
19092232902018979
1909279763711618 ~1983
19093091336516319 ~1984
190934338186877 ~1980
1909363190936318 ~1982
1909373267312238 ~1982
1909409572822718 ~1983
19094511069292579 ~1984
19094872444143379 ~1984
1909561114573678 ~1981
1909619954809518 ~1983
1909757458341698 ~1983
1909841114590478 ~1981
1909927190992718 ~1982
1909927649375198
383
GIMPS The Prime Pages FactorDb.com
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26-03-29