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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
44775732059683599 ~1986
4477741268664478 ~1984
4477951806031198 ~1985
4478011447801118 ~1985
447823189564637 ~1983
4478237626953198 ~1985
4478381358270498 ~1984
4478413268704798 ~1984
4478561268713678 ~1984
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
Exp. Prime Factor Digits Year
448040389608077 ~1983
4480613268836798 ~1984
448069189613837 ~1983
4481233716997298 ~1985
4481441268886478 ~1984
44814431792577219 ~1986
4481717627440398 ~1985
448205989641197 ~1983
448223989644797 ~1983
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
Exp. Prime Factor Digits Year
448409989681997 ~1983
448421989684397 ~1983
4484611448461118 ~1985
4484611717537778
448489189697837 ~1983
44849331076383939 ~1986
44853531076484739 ~1986
44854091345622719 ~1986
44854132511831299 ~1986
448547989709597 ~1983
4485737269144238 ~1984
4485799448579918 ~1985
4485839358867138 ~1984
4485883448588318 ~1985
448615189723037 ~1983
448651189730237 ~1983
4486591448659118 ~1985
4486673269200398 ~1984
4486919807645438 ~1985
448705189741037 ~1983
448711189742237 ~1983
4487341269240478 ~1984
448757989751597 ~1983
4487671718027378 ~1985
4487683448768318 ~1985
Exp. Prime Factor Digits Year
4487801269268078 ~1984
448789189757837 ~1983
448802389760477 ~1983
4488101359048098 ~1984
44881039065968079 ~1988
4488353269301198 ~1984
4488593269315598 ~1984
448871989774397 ~1983
4488761269325678 ~1984
4488763448876318 ~1985
448883989776797 ~1983
448903189780637 ~1983
4489033269341998 ~1984
448931989786397 ~1983
4489409359152738 ~1984
4489421269365278 ~1984
44894931077478339 ~1986
4489721359177698 ~1984
448973989794797 ~1983
448979989795997 ~1983
448988389797677 ~1983
4489999448999918 ~1985
4490371449037118 ~1985
44903992155391539 ~1986
449047189809437 ~1983
651
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25-11-02