Home e-mail
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
20203919404078398 ~1988
20204003404080078 ~1988
20204231404084638 ~1988
20204351404087038 ~1988
20205371404107438 ~1988
20205611404112238 ~1988
202056171212337039 ~1989
20205623404112478 ~1988
20206019404120398 ~1988
202062111616496899 ~1989
202069611212417679 ~1989
202072331212433999 ~1989
20207471404149438 ~1988
20207651404153038 ~1988
202082472020824719 ~1990
202082771212496639 ~1989
20208431404168638 ~1988
20208719404174398 ~1988
20208959404179198 ~1988
202092072020920719 ~1990
202093371616746979 ~1989
20209691404193838 ~1988
202098411616787299 ~1989
20209883404197678 ~1988
20210753109138066310 ~1992
Exponent Prime Factor Digits Year
20210759404215198 ~1988
20210891404217838 ~1988
20211203404224078 ~1988
202114075254965839 ~1991
20211671404233438 ~1988
20211683404233678 ~1988
202120011616960099 ~1989
20212103404242078 ~1988
20212499404249998 ~1988
20214611404292238 ~1988
202146113638629999
20214731404294638 ~1988
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
Exponent Prime Factor Digits Year
20219651404393038 ~1988
20219891404397838 ~1988
20219939404398798 ~1988
202201438492460079 ~1991
20220251404405038 ~1988
20220383404407678 ~1988
20220983404419678 ~1988
20221319404426398 ~1988
202219131213314799 ~1989
20222003404440078 ~1988
20222063404441278 ~1988
202223511617788099 ~1989
20224091404481838 ~1988
202244811213468879 ~1989
202245591617964739 ~1989
202259871618078979 ~1989
20226023404520478 ~1988
20226071404521438 ~1988
20226359404527198 ~1988
202265171213591039 ~1989
202273931213643599 ~1989
20227859404557198 ~1988
20228363404567278 ~1988
202287792022877919 ~1990
20228783404575678 ~1988
Exponent Prime Factor Digits Year
20228951404579038 ~1988
20230103404602078 ~1988
20230499404609998 ~1988
20230643404612878 ~1988
2023074148780362699312 ~1998
20230751404615038 ~1988
20231279404625598 ~1988
20231303404626078 ~1988
20231423404628478 ~1988
202314611213887679 ~1989
20231591404631838 ~1988
20232011404640238 ~1988
20232071404641438 ~1988
20232143404642878 ~1988
202322932832521039 ~1990
20232731404654638 ~1988
20233319404666398 ~1988
20233463404669278 ~1988
20233771570592342310 ~1993
202338971214033839 ~1989
20233919404678398 ~1988
20233943404678878 ~1988
202341171618729379 ~1989
202345791618766339 ~1989
202354191618833539 ~1989
Home
4.368.158 digits
e-mail
24-10-27