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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
424882061339905648910 ~2000
4248865198497730399 ~1998
424888901254933340710 ~2000
424897457254938474310 ~2000
4248999118497998239 ~1998
424901629934783583910 ~2001
424908553254945131910 ~2000
424913117254947870310 ~2000
4249198438498396879 ~1998
424921597254952958310 ~2000
424938029339950423310 ~2000
4249556518499113039 ~1998
424961213254976727910 ~2000
424973579339978863310 ~2000
4249748398499496799 ~1998
424998401254999040710 ~2000
4250138398500276799 ~1998
4250179918500359839 ~1998
4250346013315269887911 ~2002
4250368198500736399 ~1998
4250470198500940399 ~1998
4250712598501425199 ~1998
425087473255052483910 ~2000
4250956798501913599 ~1998
4251049198502098399 ~1998
Exponent Prime Factor Digits Year
425106221340084976910 ~2000
425131459425131459110 ~2000
425139257255083554310 ~2000
4251624598503249199 ~1998
4251634438503268879 ~1998
425180201255108120710 ~2000
4251841438503682879 ~1998
4252002718504005439 ~1998
4252095238504190479 ~1998
4252120438504240879 ~1998
425214329340171463310 ~2000
4252197718504395439 ~1998
4252226398504452799 ~1998
4252350718504701439 ~1998
4252473598504947199 ~1998
4252525198505050399 ~1998
4252571113061851199311 ~2002
4252715518505431039 ~1998
4252935598505871199 ~1998
4253061118506122239 ~1998
4253149798506299599 ~1998
4253237638506475279 ~1998
4253279998506559999 ~1998
4253389438506778879 ~1998
4253750398507500799 ~1998
Exponent Prime Factor Digits Year
4253762998507525999 ~1998
4253762991020903117711
425383169340306535310 ~2000
4254035518508071039 ~1998
4254038518508077039 ~1998
4254056638508113279 ~1998
4254058918508117839 ~1998
4254216118508432239 ~1998
425428693255257215910 ~2000
4254358198508716399 ~1998
425444983425444983110 ~2000
425482441255289464710 ~2000
4254826198509652399 ~1998
425490173595686242310 ~2000
4254923518509847039 ~1998
425494327765889788710 ~2001
425499097255299458310 ~2000
4255040038510080079 ~1998
4255122118510244239 ~1998
425519651340415720910 ~2000
4255237731021257055311 ~2001
4255301592723393017711 ~2002
4255441318510882639 ~1998
425544853255326911910 ~2000
4255585198511170399 ~1998
Exponent Prime Factor Digits Year
4255633318511266639 ~1998
4255658518511317039 ~1998
4255811518511623039 ~1998
4255819798511639599 ~1998
4255877638511755279 ~1998
425612701255367620710 ~2000
4256162638512325279 ~1998
4256205238512410479 ~1998
4256208598512417199 ~1998
4256219398512438799 ~1998
4256256718512513439 ~1998
4256288038512576079 ~1998
4256380798512761599 ~1998
4256489038512978079 ~1998
4256698798513397599 ~1998
425682307425682307110 ~2000
4257034198514068399 ~1998
425705087340564069710 ~2000
4257226431362312457711 ~2001
425732779425732779110 ~2000
4257401518514803039 ~1998
4257414718514829439 ~1998
4257459238514918479 ~1998
4257644636216161159911 ~2003
425765161255459096710 ~2000
3423
GIMPS The Prime Pages FactorDb.com
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26-02-08