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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
396609797138976239 ~1993
39661031793220638 ~1990
396619033966190319 ~1992
396634276346148339 ~1993
39663443793268878 ~1990
39663803793276078 ~1990
396652393966523919 ~1992
39666383793327678 ~1990
39667223793344478 ~1990
396674695553445679 ~1992
39668039793360798 ~1990
396685273966852719 ~1992
39668543793370878 ~1990
396691212380147279 ~1992
39669743793394878 ~1990
396697812380186879 ~1992
39673031793460638 ~1990
39674543793490878 ~1990
396745612380473679 ~1992
39674903793498078 ~1990
396751012380506079 ~1992
396752412380514479 ~1992
39675479793509598 ~1990
39675539793510798 ~1990
39676523793530478 ~1990
Exponent Prime Factor Digits Year
39677399793547998 ~1990
39678491793569838 ~1990
396796212380777279 ~1992
39680051793601038 ~1990
39680219793604398 ~1990
39680351793607038 ~1990
39681311793626238 ~1990
396826735555574239 ~1992
39682691793653838 ~1990
39682871793657438 ~1990
39683183793663678 ~1990
396837535555725439 ~1992
39683939793678798 ~1990
396848932381093599 ~1992
39685403698463092910 ~1995
39685643793712878 ~1990
396869213174953699 ~1992
39687671793753438 ~1990
396886612381319679 ~1992
39689183793783678 ~1990
39692519793850398 ~1990
39693539793870798 ~1990
396935812381614879 ~1992
396976873969768719 ~1992
39698339793966798 ~1990
Exponent Prime Factor Digits Year
39698699793973998 ~1990
39698903793978078 ~1990
39699059793981198 ~1990
39699503793990078 ~1990
397005979528143299 ~1993
39700949285846832910 ~1994
397021012382126079 ~1992
397027816352444979 ~1993
39703679794073598 ~1990
39704111794082238 ~1990
397050376352805939 ~1993
39705287190585377710 ~1994
39706091794121838 ~1990
39706259794125198 ~1990
397069432199764642311 ~1996
39707243794144878 ~1990
39707411794148238 ~1990
39707471794149438 ~1990
39708023794160478 ~1990
39708359794167198 ~1990
39709079794181598 ~1990
39709283794185678 ~1990
39709391794187838 ~1990
39710663794213278 ~1990
39711011794220238 ~1990
Exponent Prime Factor Digits Year
39712691794253838 ~1990
39714607667205397710 ~1995
39715499794309998 ~1990
39715919794318398 ~1990
397159332382955999 ~1992
397166713971667119 ~1992
397169093177352739 ~1992
39717179794343598 ~1990
39718439794368798 ~1990
39718883794377678 ~1990
397190772383144639 ~1992
397195033971950319 ~1992
39720683794413678 ~1990
39720731794414638 ~1990
39721043794420878 ~1990
39721739794434798 ~1990
39721859794437198 ~1990
397233372383400239 ~1992
397248132383488799 ~1992
397258313178066499 ~1992
39725879794517598 ~1990
39726503794530078 ~1990
397267636356282099 ~1993
39729743794594878 ~1990
397306313178450499 ~1992
2004
GIMPS The Prime Pages FactorDb.com
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25-10-20