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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
4249198438498396879 ~1998
424921597254952958310 ~2000
424938029339950423310 ~2000
4249556518499113039 ~1998
424961213254976727910 ~2000
424973579339978863310 ~2000
4249748398499496799 ~1998
424998401254999040710 ~2000
4250138398500276799 ~1998
4250179918500359839 ~1998
4250368198500736399 ~1998
4250712598501425199 ~1998
425087473255052483910 ~2000
4250956798501913599 ~1998
4251049198502098399 ~1998
425106221340084976910 ~2000
425131459425131459110 ~2000
425139257255083554310 ~2000
4251624598503249199 ~1998
4251634438503268879 ~1998
425180201255108120710 ~2000
4251841438503682879 ~1998
4252002718504005439 ~1998
425214329340171463310 ~2000
4252197718504395439 ~1998
Exponent Prime Factor Digits Year
4252226398504452799 ~1998
4252350718504701439 ~1998
4252473598504947199 ~1998
4252525198505050399 ~1998
4252571113061851199311 ~2002
4252715518505431039 ~1998
4252935598505871199 ~1998
4253061118506122239 ~1998
4253149798506299599 ~1998
4253237638506475279 ~1998
4253279998506559999 ~1998
4253389438506778879 ~1998
4253762998507525999 ~1998
4253762991020903117711
4254035518508071039 ~1998
4254056638508113279 ~1998
4254058918508117839 ~1998
4254216118508432239 ~1998
425428693255257215910 ~2000
4254358198508716399 ~1998
425444983425444983110 ~2000
425482441255289464710 ~2000
4254826198509652399 ~1998
425490173595686242310 ~2000
4254923518509847039 ~1998
Exponent Prime Factor Digits Year
425494327765889788710 ~2001
425499097255299458310 ~2000
4255040038510080079 ~1998
4255122118510244239 ~1998
425519651340415720910 ~2000
4255301592723393017711 ~2002
4255441318510882639 ~1998
4255585198511170399 ~1998
4255633318511266639 ~1998
4255811518511623039 ~1998
4255819798511639599 ~1998
4255877638511755279 ~1998
425612701255367620710 ~2000
4256205238512410479 ~1998
4256208598512417199 ~1998
4256219398512438799 ~1998
4256288038512576079 ~1998
4256380798512761599 ~1998
4256489038512978079 ~1998
4256698798513397599 ~1998
425682307425682307110 ~2000
4257034198514068399 ~1998
425705087340564069710 ~2000
4257226431362312457711 ~2001
425732779425732779110 ~2000
Exponent Prime Factor Digits Year
4257401518514803039 ~1998
4257414718514829439 ~1998
4257644636216161159911 ~2003
425765161255459096710 ~2000
4257740398515480799 ~1998
4257791998515583999 ~1998
4257889438515778879 ~1998
4258004518516009039 ~1998
4258045918516091839 ~1998
425815393255489235910 ~2000
4258230118516460239 ~1998
4258289518516579039 ~1998
4258351318516702639 ~1998
4258383238516766479 ~1998
4258407718516815439 ~1998
4258482118516964239 ~1998
4258504438517008879 ~1998
425853797255512278310 ~2000
425856637255513982310 ~2000
4258610638517221279 ~1998
425883373255530023910 ~2000
4258970638517941279 ~1998
4258985038517970079 ~1998
4259325718518651439 ~1998
425943733255566239910 ~2000
3100
GIMPS The Prime Pages FactorDb.com
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25-04-13