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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
8646293518777598 ~1986
8646299172925998 ~1985
8646317691705378 ~1987
8646503172930078 ~1985
8646779172935598 ~1985
8646899172937998 ~1985
8646947691755778 ~1987
8646971172939438 ~1985
8647181518830878 ~1986
8647657518859438 ~1986
8647697691815778 ~1987
86477591556596639 ~1987
8647817518869038 ~1986
8647979172959598 ~1985
8648113518886798 ~1986
86483695361988799 ~1989
8648459172969198 ~1985
8648677518920638 ~1986
8649191172983838 ~1985
8649197691935778 ~1987
8649241518954478 ~1986
8649293518957598 ~1986
8649409413441750310 ~1991
8649451864945118 ~1987
86494511383912179
Exp. Prime Factor Digits Year
8649479172989598 ~1985
8649581518974878 ~1986
8649611172992238 ~1985
8649671172993438 ~1985
8650151173003038 ~1985
8650211692016898 ~1987
86504232941143839 ~1988
8650793519047598 ~1986
8650919173018398 ~1985
8651051692084098 ~1987
8651063173021278 ~1985
8651399173027998 ~1985
8651579173031598 ~1985
8651603173032078 ~1985
8651953519117198 ~1986
8651999173039998 ~1985
8652023173040478 ~1985
8652257692180578 ~1987
8652359173047198 ~1985
8652401519144078 ~1986
8652731692218498 ~1987
8652781519166878 ~1986
8652821519169278 ~1986
8652863173057278 ~1985
86532611903717439 ~1988
Exp. Prime Factor Digits Year
8653343173066878 ~1985
8653679173073598 ~1985
8653691173073838 ~1985
8654183173083678 ~1985
8654201519252078 ~1986
8654231173084638 ~1985
8654333519259998 ~1986
86549171384786739 ~1987
8655011173100238 ~1985
8655071173101438 ~1985
8655197519311838 ~1986
8655401519324078 ~1986
86556531211791439 ~1987
8655739865573918 ~1987
8655761519345678 ~1986
8656019173120398 ~1985
86560191558083439
8656357519381438 ~1986
8656379173127598 ~1985
8656481692518498 ~1987
8656691173133838 ~1985
8656919173138398 ~1985
8657021519421278 ~1986
8657333519439998 ~1986
86576392077833379 ~1988
Exp. Prime Factor Digits Year
8657651173153038 ~1985
8657723173154478 ~1985
8658193519491598 ~1986
8658323173166478 ~1985
8658659173173198 ~1985
8658673519520398 ~1986
8658893519533598 ~1986
86588936234402979
8658983173179678 ~1985
8659181519550878 ~1986
8659463173189278 ~1985
8660081692806498 ~1987
8660921519655278 ~1986
86609831385757299 ~1987
8661173519670398 ~1986
8661197519671838 ~1986
8661509692920738 ~1987
8661553519693198 ~1986
8661703866170318 ~1987
8662019173240398 ~1985
8662133519727998 ~1986
8662151173243038 ~1985
8662481519748878 ~1986
86625311559255599 ~1987
8662799173255998 ~1985
933
GIMPS The Prime Pages FactorDb.com
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25-04-13