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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
6516959521356738 ~1986
6516997391019838 ~1985
6517079130341598 ~1984
6517261391035678 ~1985
65172896647634799 ~1988
6517583130351678 ~1984
6517937391076238 ~1985
6518003130360078 ~1984
6518081521446498 ~1986
6518279521462338 ~1986
6518411130368238 ~1984
6518419651841918 ~1986
65184191564420579
6518593391115598 ~1985
65189871173417679 ~1987
6519217391153038 ~1985
65192831564627939 ~1987
6519341391160478 ~1985
6519367651936718 ~1986
65195293129373939 ~1988
6519673391180398 ~1985
6519917521593378 ~1986
6520057391203438 ~1985
65201171956035119 ~1987
6520253391215198 ~1985
Exp. Prime Factor Digits Year
6520277521622178 ~1986
65203877433241199 ~1988
6520483652048318 ~1986
6520691130413838 ~1984
6520693391241598 ~1985
6520817521665378 ~1986
6520823130416478 ~1984
6520883130417678 ~1984
6521057391263438 ~1985
6521077391264638 ~1985
65211111695488879 ~1987
6521363130427278 ~1984
6521699130433998 ~1984
6521833391309998 ~1985
6521987521758978 ~1986
6522023130440478 ~1984
6522311130446238 ~1984
6522371130447438 ~1984
6522487652248718 ~1986
6522599130451998 ~1984
6522779521822338 ~1986
6523037391382238 ~1985
6523043130460878 ~1984
6523247146120732910 ~1989
6523619130472398 ~1984
Exp. Prime Factor Digits Year
6523661521892898 ~1986
6523703130474078 ~1984
6524081391444878 ~1985
6524081521926498
6524293391457598 ~1985
6524471130489438 ~1984
65248731565969539 ~1987
6525179522014338 ~1986
6525839130516798 ~1984
6525947522075778 ~1986
6526217913670398 ~1986
6526229913672078 ~1986
6526277391576638 ~1985
6526379130527598 ~1984
6526409522112738 ~1986
6526463130529278 ~1984
65264899789733519 ~1989
6526571130531438 ~1984
6526601391596078 ~1985
6526651652665118 ~1986
6526973391618398 ~1985
6527063130541278 ~1984
6527413391644798 ~1985
6527531522202498 ~1986
6527723130554478 ~1984
Exp. Prime Factor Digits Year
6528299130565998 ~1984
6528503130570078 ~1984
6528719130574398 ~1984
6528839130576798 ~1984
6528971130579438 ~1984
65291771958753119 ~1987
6529517522361378 ~1986
6529541391772478 ~1985
65297635364853280911 ~1993
6529811130596238 ~1984
6529879652987918 ~1986
65299871175397679 ~1987
6530257391815438 ~1985
65303231044851699 ~1986
65303411044854579 ~1986
6530399130607998 ~1984
6530519130610398 ~1984
6530561391833678 ~1985
6530831130616638 ~1984
65309331567423939 ~1987
6531221391873278 ~1985
6531251130625038 ~1984
65314871175667679 ~1987
6531533914414638 ~1986
6531599130631998 ~1984
794
GIMPS The Prime Pages FactorDb.com
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25-04-13