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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.
Exp. Prime Factor Digits Year
4470857625919998
447086389417277 ~1983
4471661357732898 ~1984
4472297626121598 ~1985
4472431715588978 ~1985
44730111431363539 ~1986
44731731073561539 ~1986
4473241984113038 ~1985
4473281357862498 ~1984
447338389467677 ~1983
4473473626286238 ~1985
4473611357888898 ~1984
4473881268432878 ~1984
447403189480637 ~1983
4474039447403918 ~1985
447410389482077 ~1983
4474153268449198 ~1984
44743031789721219 ~1986
4474399447439918 ~1985
44746432953264399 ~1987
4474711805447998 ~1985
4474741984443038 ~1985
4474801268488078 ~1984
447491989498397 ~1983
4474933715989298 ~1985
Exp. Prime Factor Digits Year
447512389502477 ~1983
4475147358011778 ~1984
447529189505837 ~1983
4475461268527678 ~1984
4475837626617198 ~1985
447584389516877 ~1983
4475969358077538 ~1984
44759691342790719
4475983447598318 ~1985
447638389527677 ~1983
4476427447642718 ~1985
4476487447648718 ~1985
447686389537277 ~1983
4476917358153378 ~1984
447697189539437 ~1983
4477553626857438 ~1985
44775732059683599 ~1986
4477741268664478 ~1984
4477951806031198 ~1985
4478011447801118 ~1985
447823189564637 ~1983
4478237626953198 ~1985
4478381358270498 ~1984
4478413268704798 ~1984
4478561268713678 ~1984
Exp. Prime Factor Digits Year
4478653268719198 ~1984
447878389575677 ~1983
4478987806217678 ~1985
4479001268740078 ~1984
447907189581437 ~1983
4479071358325698
447920389584077 ~1983
447923989584797 ~1983
447932389586477 ~1983
44793891075053379 ~1986
4479793268787598 ~1984
4479809627173278 ~1985
447991189598237 ~1983
4480081716812978 ~1985
4480153716824498 ~1985
44801532419282639
448040389608077 ~1983
4480613268836798 ~1984
448069189613837 ~1983
4481233716997298 ~1985
4481441268886478 ~1984
44814431792577219 ~1986
4481717627440398 ~1985
448205989641197 ~1983
448223989644797 ~1983
Exp. Prime Factor Digits Year
4482281268936878 ~1984
4482299358583938 ~1984
448231189646237 ~1983
448232389646477 ~1983
448274389654877 ~1983
448283989656797 ~1983
448291189658237 ~1983
4483249986314798 ~1985
448340389668077 ~1983
4483541269012478 ~1984
4483543448354318 ~1985
4483571807042798 ~1985
4483657269019438 ~1984
448375189675037 ~1983
448385989677197 ~1983
448399189679837 ~1983
448409989681997 ~1983
448421989684397 ~1983
4484611448461118 ~1985
4484611717537778
448489189697837 ~1983
44849331076383939 ~1986
44853531076484739 ~1986
44854132511831299 ~1986
448547989709597 ~1983
638
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25-06-01