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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
4270543427054318 ~1985
427075185415037 ~1983
42707512049960499
4270817256249038 ~1984
4270907341672578 ~1984
4271081256264878 ~1984
4271173683387698 ~1985
4271177341694178 ~1984
42713572050251379 ~1986
42713631025127139 ~1985
4271417341713378 ~1984
42715693331823839 ~1987
427184385436877 ~1983
42721871708874819 ~1986
4272221256333278 ~1984
427226385445277 ~1983
42723431708937219 ~1986
427241985448397 ~1983
4272419769035438
4272481256348878 ~1984
427265985453197 ~1983
427273185454637 ~1983
427274385454877 ~1983
427334385466877 ~1983
4273391341871298 ~1984
Exp. Prime Factor Digits Year
4273397256403838 ~1984
42734836923042479 ~1987
42738315897886799 ~1987
4273937341914978 ~1984
4274029940286398 ~1985
4274551427455118 ~1985
4274651341972098 ~1984
4274863427486318 ~1985
4274891341991298 ~1984
427495185499037 ~1983
4274983427498318 ~1985
4275059342004738 ~1984
4275251342020098 ~1984
4275451427545118 ~1985
427561185512237 ~1983
4275617256537038 ~1984
4275989342079138 ~1984
4276157598661998 ~1985
4276541256592478 ~1984
4276541342123298
4276721342137698 ~1984
427676385535277 ~1983
427679985535997 ~1983
42769991026479779 ~1985
42771791454240879 ~1986
Exp. Prime Factor Digits Year
4277227427722718 ~1985
4277263684362098 ~1985
427730385546077 ~1983
427757985551597 ~1983
427763985552797 ~1983
427772385554477 ~1983
4277743684438898 ~1985
427795185559037 ~1983
4278041342243298 ~1984
4278089598932478 ~1985
42781331283439919 ~1986
427853985570797 ~1983
4278641256718478 ~1984
427873185574637 ~1983
4278893164309491310 ~1988
427904385580877 ~1983
4279267427926718 ~1985
427934385586877 ~1983
4279481256768878 ~1984
42796571283897119 ~1986
4279841256790478 ~1984
4279871770376798 ~1985
427999185599837 ~1983
4280011428001118 ~1985
4280083428008318 ~1985
Exp. Prime Factor Digits Year
42801838217951379 ~1988
42805271712210819 ~1986
4280537256832238 ~1984
4280561256833678 ~1984
4280581256834878 ~1984
4280657342452578 ~1984
42808791027410979 ~1985
428108385621677 ~1983
4281133256867998 ~1984
428119185623837 ~1983
4281293256877598 ~1984
428138385627677 ~1983
428144385628877 ~1983
4281463428146318 ~1985
42815831798264879 ~1986
428173185634637 ~1983
428177985635597 ~1983
4281791342543298 ~1984
428186385637277 ~1983
4281967428196718 ~1985
4282273256936398 ~1984
42823791027770979 ~1985
4282423100208698310 ~1988
4282457256947438 ~1984
4282723428272318 ~1985
645
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26-05-03