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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
103249120649837 ~1978
103249761949837 ~1979
1032541495619698 ~1981
103261782609377 ~1979
1032679103267918 ~1980
1032701309810318 ~1981
103272161963277 ~1979
1032751413100418 ~1981
103283361969997 ~1979
1032887268550638 ~1981
1032887764336398
1032961413184418 ~1981
103312782650177 ~1979
10331391012476239 ~1982
1033171165307378 ~1980
1033189227301598 ~1980
103322320664477 ~1978
103327361996397 ~1979
1033303103330318 ~1980
1033303661313938
1033369248008578 ~1981
103345120669037 ~1978
103345782676577 ~1979
1033463578739298 ~1981
1033517144692398 ~1980
Exp. Prime Factor Digits Year
103355920671197 ~1978
10335676366772739 ~1984
103363182690497 ~1979
1033663103366318 ~1980
103369362021597 ~1979
1033693248086338
1033693661563538
1033843165414898 ~1980
1033987103398718 ~1980
103400982720737 ~1979
103421920684397 ~1978
103421982737537
103422162053277 ~1979
1034249248219778 ~1981
103435362061197 ~1979
1034491682764078 ~1982
103459120691837 ~1978
1034599413839618 ~1981
1034731165556978 ~1980
10347311096814879
1034833745079778 ~1982
1034861331155538 ~1981
103486782789377 ~1979
103490320698077 ~1978
103494162096477 ~1979
Exp. Prime Factor Digits Year
1034953476078398 ~1981
1035019248404578 ~1981
1035077144910798 ~1980
1035187993779538 ~1982
1035197496894578 ~1981
103526320705277 ~1978
1035409227789998 ~1980
103558182846497 ~1979
1035649248555778 ~1981
103565920713197 ~1978
1035659186418638
103579120715837 ~1978
1035791186442398
1035829248598978 ~1981
1035949227908798 ~1980
103595362157197 ~1979
103597782878177 ~1979
1036027103602718 ~1980
1036153165784498 ~1980
103616320723277 ~1978
10362131056937279 ~1982
1036253248700738 ~1981
1036261165801778 ~1980
10362715305707539 ~1984
1036291165806578 ~1980
Exp. Prime Factor Digits Year
1036327497436978 ~1981
103633120726637 ~1978
1036351103635118 ~1980
10366131078077539 ~1982
103663120732637 ~1978
10366811161082739 ~1982
1036747995277138 ~1982
103687762212637 ~1979
1036951497736498 ~1981
1037087269642638 ~1981
1037087933378318
1037233165957298 ~1980
103741120748237 ~1978
10374471742910979 ~1983
103747182997697 ~1979
1037537498017778 ~1981
1037557560280798 ~1981
103762783010177 ~1979
1037759332082898 ~1981
103780162268077 ~1979
1037963269870398 ~1981
103800162280077 ~1979
1038029249126978 ~1981
103820320764077 ~1978
1038269145357678 ~1980
250
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25-06-01