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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
12841259256825198 ~1986
12841583256831678 ~1986
12841883256837678 ~1986
12842051256841038 ~1986
12842183256843678 ~1986
12842237770534238 ~1988
12842317770539038 ~1988
128424911284249119 ~1988
12842591256851838 ~1986
12842699256853998 ~1986
12842783256855678 ~1986
12843203256864078 ~1986
12843253770595198 ~1988
12843599256871998 ~1986
12843983256879678 ~1986
12844283256885678 ~1986
12844417770665038 ~1988
12844453770667198 ~1988
12844763256895278 ~1986
12845291256905838 ~1986
128452911027623299
128458391284583919 ~1988
12846131256922638 ~1986
12846133770767998 ~1988
12846419256928398 ~1986
Exponent Prime Factor Digits Year
12846791256935838 ~1986
12847277770836638 ~1988
12847433770845998 ~1988
12847559256951198 ~1986
12847603146462674310 ~1991
12847871256957438 ~1986
12848051256961038 ~1986
128485731798800239 ~1989
12848903256978078 ~1986
12849311256986238 ~1986
12849503256990078 ~1986
12849713770982798 ~1988
12849911256998238 ~1986
128500512313009199 ~1989
12850091257001838 ~1986
128503491028027939 ~1988
12850597771035838 ~1988
128510393084249379 ~1989
12851561771093678 ~1988
12851831257036638 ~1986
12851981771118878 ~1988
128521371028170979 ~1988
12852877771172638 ~1988
12853133771187998 ~1988
128541471028331779 ~1988
Exponent Prime Factor Digits Year
12854483257089678 ~1986
12854561771273678 ~1988
128547411028379299 ~1988
128547472313854479 ~1989
12855131257102638 ~1986
128553073085273699 ~1989
12855851257117038 ~1986
128559671285596719 ~1988
12856021771361278 ~1988
12856163257123278 ~1986
12856691257133838 ~1986
12856703257134078 ~1986
128567571799945999 ~1989
12856859257137198 ~1986
12857843257156878 ~1986
128580171028641379 ~1988
12858743257174878 ~1986
128588473086123299 ~1989
128589293857678719 ~1989
12858971257179438 ~1986
12859211257184238 ~1986
12860051257201038 ~1986
12860363257207278 ~1986
128604591028836739 ~1988
12860501771630078 ~1988
Exponent Prime Factor Digits Year
128605971028847779 ~1988
12860723257214478 ~1986
12860759257215198 ~1986
12860819257216398 ~1986
128612271028898179 ~1988
12861281771676878 ~1988
128613791286137919 ~1988
128615172057842739 ~1989
12861743257234878 ~1986
128623014887674399 ~1990
12862823257256478 ~1986
12862901771774078 ~1988
12863297771797838 ~1988
12863723257274478 ~1986
128639273344621039 ~1989
12864191257283838 ~1986
12864541771872478 ~1988
12864623257292478 ~1986
128653099263022499 ~1990
12866219257324398 ~1986
12866351257327038 ~1986
128668031286680319 ~1988
12866831257336638 ~1986
12866873772012398 ~1988
128669391029355139 ~1988
1149
GIMPS The Prime Pages FactorDb.com
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25-05-04