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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.
Exponent Prime Factor Digits Year
15850739317014798 ~1987
15850799317015998 ~1987
158508291268066339 ~1989
15850871317017438 ~1987
15851153951069198 ~1988
15851321951079278 ~1988
15851411317028238 ~1987
15852443317048878 ~1987
15852553110967871110 ~1991
15852971317059438 ~1987
15853091317061838 ~1987
15853393951203598 ~1988
15854171317083438 ~1987
15854963317099278 ~1987
15855299317105998 ~1987
158558034122508799 ~1990
15855877951352638 ~1988
15856259317125198 ~1987
15857063317141278 ~1987
158573572220029999 ~1989
15857531317150638 ~1987
15857641951458478 ~1988
15857981951478878 ~1988
15858119317162398 ~1987
15858457951507438 ~1988
Exponent Prime Factor Digits Year
15858461951507678 ~1988
15858659317173198 ~1987
15858803317176078 ~1987
158590971268727779 ~1989
15859463317189278 ~1987
15859559317191198 ~1987
158598471268787779 ~1989
15859973951598398 ~1988
15860219317204398 ~1987
15860233951613998 ~1988
15860951317219038 ~1987
15860963317219278 ~1987
15861299317225998 ~1987
158613171268905379 ~1989
158614374758431119 ~1990
158615833806779939 ~1990
15861803317236078 ~1987
15861899317237998 ~1987
158621091268968739 ~1989
15862631317252638 ~1987
15862961951777678 ~1988
15863501951810078 ~1988
15863591317271838 ~1987
15864263317285278 ~1987
15864599317291998 ~1987
Exponent Prime Factor Digits Year
15864911317298238 ~1987
15865093951905598 ~1988
158652176028782479 ~1990
15865259317305198 ~1987
15865511317310238 ~1987
15865571317311438 ~1987
15866351317327038 ~1987
158667892221350479 ~1989
15866897952013838 ~1988
15867557952053438 ~1988
15867671317353438 ~1987
158677433808258339 ~1990
15868043317360878 ~1987
15868577952114638 ~1988
158686072856349279 ~1990
15868679317373598 ~1987
15868691317373838 ~1987
15868757952125438 ~1988
15868823317376478 ~1987
15869159317383198 ~1987
158691973808607299 ~1990
15869801952188078 ~1988
15869963317399278 ~1987
15870131317402638 ~1987
15870143317402878 ~1987
Exponent Prime Factor Digits Year
158702776348110819 ~1990
15870383317407678 ~1987
158703833808891939
15870581952234878 ~1988
158707793808986979 ~1990
15871711257121718310 ~1992
158718712856936799 ~1990
158720236348809219 ~1990
15872123317442478 ~1987
15872159317443198 ~1987
15872183317443678 ~1987
15872243317444878 ~1987
15872459317449198 ~1987
15872639317452798 ~1987
15873181952390878 ~1988
15873241952394478 ~1988
15873443317468878 ~1987
158736532222311439 ~1989
15873839317476798 ~1987
15874283317485678 ~1987
15874501952470078 ~1988
15874897952493838 ~1988
15875053952503198 ~1988
15875291317505838 ~1987
15875663317513278 ~1987
1279
GIMPS The Prime Pages FactorDb.com
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25-06-08