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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
8951399179027998 ~1985
8951687716134978 ~1987
8951711179034238 ~1985
8952323179046478 ~1985
8952431179048638 ~1985
8952479179049598 ~1985
89525111432401779 ~1987
89526735729710739 ~1989
8953319179066398 ~1985
8953403179068078 ~1985
8953733537223998 ~1986
8953811179076238 ~1985
8953943179078878 ~1985
89539432148946339
8954213537252798 ~1986
8954321537259278 ~1986
8954831716386498 ~1987
8955181537310878 ~1986
8955371179107438 ~1985
8955539179110798 ~1985
8955547895554718 ~1987
8955599179111998 ~1985
8955899179117998 ~1985
8955977537358638 ~1986
8956463179129278 ~1985
Exp. Prime Factor Digits Year
8956537537392238 ~1986
8956681537400878 ~1986
8956757537405438 ~1986
8956889716551138 ~1987
8957381537442878 ~1986
8957539895753918 ~1987
8957579179151598 ~1985
8957771179155438 ~1985
8958011179160238 ~1985
8958149716651938 ~1987
8958203179164078 ~1985
8958667895866718 ~1987
8958731179174638 ~1985
8959343179186878 ~1985
8959451179189038 ~1985
8959913537594798 ~1986
8959981537598878 ~1986
8960183179203678 ~1985
8960261716820898 ~1987
8960293537617598 ~1986
89603871612869679 ~1988
8960603179212078 ~1985
89606037168482419
8960977537658638 ~1986
8961299179225998 ~1985
Exp. Prime Factor Digits Year
8961301537678078 ~1986
8961311179226238 ~1985
8961383179227678 ~1985
8961661537699678 ~1986
8961671179233438 ~1985
89617071613107279 ~1988
8962139179242798 ~1985
8962643179252878 ~1985
8962931179258638 ~1985
89629971254819599 ~1987
8963351179267038 ~1985
8963579179271598 ~1985
8963677537820638 ~1986
8963771179275438 ~1985
8963797537827838 ~1986
8964017537841038 ~1986
8964251179285038 ~1985
8964359179287198 ~1985
89644672330761439 ~1988
8964671179293438 ~1985
8964731179294638 ~1985
8965357537921438 ~1986
8965393537923598 ~1986
8965403179308078 ~1985
8965499179309998 ~1985
Exp. Prime Factor Digits Year
8965679179313598 ~1985
8965721537943278 ~1986
8966257537975438 ~1986
8966411179328238 ~1985
8966501537990078 ~1986
8966681717334498 ~1987
8966717538003038 ~1986
8966759179335198 ~1985
8966999179339998 ~1985
8967281172171795310 ~1990
8967377538042638 ~1986
8967611179352238 ~1985
8967659179353198 ~1985
8967719179354398 ~1985
89679112331656879 ~1988
8968153538089198 ~1986
8968241538094478 ~1986
8968301538098078 ~1986
8968957538137438 ~1986
8969293538157598 ~1986
89694193049602479 ~1988
8969777120195011910 ~1990
8969783179395678 ~1985
8969813538188798 ~1986
8969993538199598 ~1986
954
GIMPS The Prime Pages FactorDb.com
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25-05-04