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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
201911691615293539 ~1989
20191403403828078 ~1988
201914811615318499 ~1989
20191799403835998 ~1988
20192759403855198 ~1988
20192831403856638 ~1988
201928491615427939 ~1989
201930379288797039 ~1991
20193311403866238 ~1988
20193419403868398 ~1988
20193863403877278 ~1988
201940611211643679 ~1989
20194259403885198 ~1988
20194319403886398 ~1988
20194703403894078 ~1988
20196359403927198 ~1988
20196443403928878 ~1988
20196623403932478 ~1988
201972371211834239 ~1989
20197511403950238 ~1988
20197739307005632910 ~1993
20197799403955998 ~1988
20198039403960798 ~1988
201982512019825119 ~1990
20198603403972078 ~1988
Exponent Prime Factor Digits Year
20199131403982638 ~1988
20199191403983838 ~1988
20199659403993198 ~1988
20200259404005198 ~1988
202007571616060579 ~1990
202008899696426739 ~1991
20201063404021278 ~1988
20201651404033038 ~1988
202018971212113839 ~1989
20202191404043838 ~1988
202032176060965119 ~1991
20203643404072878 ~1988
20203919404078398 ~1988
20204003404080078 ~1988
20204231404084638 ~1988
20204351404087038 ~1988
20205371404107438 ~1988
20205611404112238 ~1988
202056171212337039 ~1989
20205623404112478 ~1988
20206019404120398 ~1988
202062111616496899 ~1990
20206283537487127910 ~1993
202069611212417679 ~1989
202072331212433999 ~1989
Exponent Prime Factor Digits Year
20207471404149438 ~1988
20207651404153038 ~1988
202082472020824719 ~1990
202082771212496639 ~1989
20208431404168638 ~1988
20208719404174398 ~1988
20208959404179198 ~1988
202092072020920719 ~1990
202093371616746979 ~1990
20209691404193838 ~1988
202098411616787299 ~1990
20209883404197678 ~1988
20210753109138066310 ~1992
20210759404215198 ~1988
20210891404217838 ~1988
20211203404224078 ~1988
202114075254965839 ~1991
20211671404233438 ~1988
20211683404233678 ~1988
202120011616960099 ~1990
20212103404242078 ~1988
20212499404249998 ~1988
20214611404292238 ~1988
202146113638629999
20214731404294638 ~1988
Exponent Prime Factor Digits Year
20214791404295838 ~1988
20215451404309038 ~1988
202158411212950479 ~1989
20215883404317678 ~1988
202160932308677820711 ~1995
20216099404321998 ~1988
202160991617287939
20216699404333998 ~1988
20216951404339038 ~1988
202173198491273999 ~1991
20217371404347438 ~1988
20218571404371438 ~1988
20219183404383678 ~1988
20219651404393038 ~1988
20219891404397838 ~1988
20219939404398798 ~1988
202201438492460079 ~1991
20220251404405038 ~1988
20220383404407678 ~1988
20220983404419678 ~1988
202210492830946879 ~1990
20221319404426398 ~1988
202219131213314799 ~1989
20222003404440078 ~1988
20222063404441278 ~1988
1420
GIMPS The Prime Pages FactorDb.com
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25-04-13