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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
6610517396631038 ~1985
66106071586545699 ~1987
66106095156275039 ~1988
6610621396637278 ~1985
66107891586589379 ~1987
6611057396663438 ~1985
6611191661119118 ~1986
6611219132224398 ~1984
6611417528913378 ~1986
6611519132230398 ~1984
6611873396712398 ~1985
6611993396719598 ~1985
6612187661218718 ~1986
6612581396754878 ~1985
6612601396756078 ~1985
66128871190319679 ~1987
6612929925810078 ~1986
6613021396781278 ~1985
6613031529042498 ~1986
6613111661311118 ~1986
6613151132263038 ~1984
6613823132276478 ~1984
6614053396843198 ~1985
6614123132282478 ~1984
6614183132283678 ~1984
Exp. Prime Factor Digits Year
6614197396851838 ~1985
6614339132286798 ~1984
6614651132293038 ~1984
6614879132297598 ~1984
6615131132302638 ~1984
6615263132305278 ~1984
6615443132308878 ~1984
66154873175433779 ~1988
6615491132309838 ~1984
6615551132311038 ~1984
6615577396934638 ~1985
66156414101697439 ~1988
66156437541833039 ~1989
6615659132313198 ~1984
6615671132313438 ~1984
6615977396958638 ~1985
6616163132323278 ~1984
6616271132325438 ~1984
66164814763866339 ~1988
6616583132331678 ~1984
6616697397001838 ~1985
6616697529335778
6616751132335038 ~1984
6616777397006638 ~1985
66169936352313299 ~1988
Exp. Prime Factor Digits Year
66170711058731379 ~1986
6617293397037598 ~1985
6617483132349678 ~1984
6617531132350638 ~1984
6617581397054878 ~1985
6617603132352078 ~1984
6617861397071678 ~1985
6618223661822318 ~1986
6618239132364798 ~1984
6618281397096878 ~1985
6618413397104798 ~1985
6618499661849918 ~1986
6619157397149438 ~1985
6619253926695438 ~1986
6619289529543138 ~1986
6619357397161438 ~1985
6619751132395038 ~1984
6620039132400798 ~1984
66200392118412499
6620171132403438 ~1984
6620231132404638 ~1984
6620309529624738 ~1986
6620357397221438 ~1985
6620441529635298 ~1986
6620489529639138 ~1986
Exp. Prime Factor Digits Year
6620501397230078 ~1985
6620807529664578 ~1986
6621311132426238 ~1984
6621337397280238 ~1985
6621731132434638 ~1984
6621749529739938 ~1986
6621827529746178 ~1986
66219973046118639 ~1988
6622097927093598 ~1986
6622193927107038 ~1986
6622391132447838 ~1984
6622457397347438 ~1985
66224895827790339 ~1988
6622661397359678 ~1985
66227111192087999 ~1987
6622799132455998 ~1984
6622823132456478 ~1984
6623101397386078 ~1985
6623159132463198 ~1984
6623231132464638 ~1984
6623411529872898 ~1986
6623719662371918 ~1986
6624503132490078 ~1984
6624659132493198 ~1984
6624671132493438 ~1984
810
GIMPS The Prime Pages FactorDb.com
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25-07-08