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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
6348977888856798 ~1986
63489771904693119
6348997380939838 ~1985
6349223126984478 ~1984
6349331126986638 ~1984
6349379126987598 ~1984
6349621380977278 ~1985
6349859126997198 ~1984
6349919126998398 ~1984
6350411127008238 ~1984
63504233175211519 ~1988
63504591143082639 ~1986
6350471127009438 ~1984
6350483127009678 ~1984
6350891127017838 ~1984
6351479127029598 ~1984
6351481381088878 ~1985
6351563127031278 ~1984
6351953381117198 ~1985
6352331127046638 ~1984
6352487508198978 ~1986
6352987635298718 ~1986
6353003127060078 ~1984
6353093381185598 ~1985
6353351127067038 ~1984
Exp. Prime Factor Digits Year
6353741508299298 ~1986
6353783127075678 ~1984
6353857381231438 ~1985
6354017381241038 ~1985
6354059508324738 ~1986
6354119127082398 ~1984
6354421381265278 ~1985
6354599127091998 ~1984
6354619635461918 ~1986
6354703635470318 ~1986
63548271143868879 ~1986
6355039635503918 ~1986
6355243635524318 ~1986
6355597381335838 ~1985
6355631127112638 ~1984
6355711635571118 ~1986
6356039127120798 ~1984
6356087508486978 ~1986
6356243127124878 ~1984
63562433178121519
6356309508504738 ~1986
6356401381384078 ~1985
6356543127130878 ~1984
6356639127132798 ~1984
6356641381398478 ~1985
Exp. Prime Factor Digits Year
6357083127141678 ~1984
6357317508585378 ~1986
63579071144423279 ~1986
63579291525902979 ~1987
63580031017280499 ~1986
6358031127160638 ~1984
6358057381483438 ~1985
6358139127162798 ~1984
6358151127163038 ~1984
6358211127164238 ~1984
6358481508678498 ~1986
63585531907565919 ~1987
6358571508685698 ~1986
6358619127172398 ~1984
6358621381517278 ~1985
6358753381525198 ~1985
6358777381526638 ~1985
6358991127179838 ~1984
6359159127183198 ~1984
63592791526226979 ~1987
6359393381563598 ~1985
6359537508762978 ~1986
63598035723822719 ~1988
63599575469563039 ~1988
6359981508798498 ~1986
Exp. Prime Factor Digits Year
6360427636042718 ~1986
6360437381626238 ~1985
6360551127211038 ~1984
6360553381633198 ~1985
63605931526542339 ~1987
6360899127217998 ~1984
6360923127218478 ~1984
6361073381664398 ~1985
6361079127221598 ~1984
6361367508909378 ~1986
63616511017864179 ~1986
6362171127243438 ~1984
6362231127244638 ~1984
6362399127247998 ~1984
6362519127250398 ~1984
6362591127251838 ~1984
6362633381757998 ~1985
63626592163304079 ~1987
6362669509013538 ~1986
6362791636279118 ~1986
63628331018053299 ~1986
6362957381777438 ~1985
63630736108550099 ~1988
63631691399897199 ~1987
6363359127267198 ~1984
787
GIMPS The Prime Pages FactorDb.com
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25-06-01