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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
4228053718456107439 ~1998
4228062718456125439 ~1998
4228205398456410799 ~1998
422820679422820679110 ~2000
4228271038456542079 ~1998
422831249591963748710 ~2000
422860327422860327110 ~2000
4228675198457350399 ~1998
4228829038457658079 ~1998
422884481253730688710 ~2000
422887057253732234310 ~2000
4228898518457797039 ~1998
4229094238458188479 ~1998
4229105638458211279 ~1998
4229107918458215839 ~1998
4229144518458289039 ~1998
4229204518458409039 ~1998
4229353198458706399 ~1998
4229554198459108399 ~1998
422988437338390749710 ~2000
422990101253794060710 ~2000
422998781338399024910 ~2000
4229999038459998079 ~1998
4230061198460122399 ~1998
4230147598460295199 ~1998
Exponent Prime Factor Digits Year
4230204598460409199 ~1998
4230238798460477599 ~1998
4230259798460519599 ~1998
423030277253818166310 ~2000
4230318118460636239 ~1998
4230332638460665279 ~1998
423036113253821667910 ~2000
4230376198460752399 ~1998
423040627676865003310 ~2001
4230563518461127039 ~1998
4230792718461585439 ~1998
423084041338467232910 ~2000
423091213253854727910 ~2000
423107899423107899110 ~2000
4231090918462181839 ~1998
4231222435162091364711 ~2003
4231236118462472239 ~1998
423130667338504533710 ~2000
4231413118462826239 ~1998
4231448998462897999 ~1998
4231497171015559320911 ~2001
4231573918463147839 ~1998
4231589038463178079 ~1998
423174127423174127110 ~2000
4231742398463484799 ~1998
Exponent Prime Factor Digits Year
4231774798463549599 ~1998
4231804318463608639 ~1998
423189661253913796710 ~2000
4231936198463872399 ~1998
4232108398464216799 ~1998
4232256838464513679 ~1998
4232300518464601039 ~1998
4232386438464772879 ~1998
423254549338603639310 ~2000
4232626438465252879 ~1998
4232706131015849471311 ~2001
423276619423276619110 ~2000
4232953318465906639 ~1998
4233165118466330239 ~1998
4233218518466437039 ~1998
423321973253993183910 ~2000
4233345598466691199 ~1998
4233383398466766799 ~1998
4233461091354707548911 ~2001
4233503638467007279 ~1998
4233515038467030079 ~1998
4233532798467065599 ~1998
4233579118467158239 ~1998
423362873254017723910 ~2000
423371027338696821710 ~2000
Exponent Prime Factor Digits Year
4233896398467792799 ~1998
4233948838467897679 ~1998
423399377254039626310 ~2000
4234123438468246879 ~1998
4234155718468311439 ~1998
4234183931016204143311 ~2001
4234312798468625599 ~1998
423456301254073780710 ~2000
423458257254074954310 ~2000
4234649998469299999 ~1998
423469177254081506310 ~2000
4234779791016347149711 ~2001
4234808398469616799 ~1998
4234818131270445439111 ~2001
4234830838469661679 ~1998
423483353254090011910 ~2000
423497513254098507910 ~2000
423499913254099947910 ~2000
423514121254108472710 ~2000
4235149918470299839 ~1998
4235216998470433999 ~1998
423533057254119834310 ~2000
4235364718470729439 ~1998
423541841254125104710 ~2000
4235447291016507349711 ~2001
3189
GIMPS The Prime Pages FactorDb.com
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25-07-08