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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
6021479481718338 ~1985
6021523602152318 ~1986
6021577361294638 ~1985
6021751602175118 ~1986
6021863120437278 ~1984
6021997361319838 ~1985
6022061481764898 ~1985
6022117361327038 ~1985
6022171963547378 ~1986
6022283120445678 ~1984
6022319120446398 ~1984
6022579602257918 ~1986
6022781481822498 ~1985
60228012409120419 ~1987
60230292891053939 ~1987
6023051120461038 ~1984
6023111481848898 ~1985
6023243120464878 ~1984
60234611325161439 ~1987
6023527602352718 ~1986
6023621361417278 ~1985
6023639120472798 ~1984
60236396866948479
6023663120473278 ~1984
6023777481902178 ~1985
Exp. Prime Factor Digits Year
6023939481915138 ~1985
6024071120481438 ~1984
6024097361445838 ~1985
6024127602412718 ~1986
6024493361469598 ~1985
6024659120493198 ~1984
60246792891845939 ~1987
6024731120494638 ~1984
6024911120498238 ~1984
6024917843488398 ~1986
6024983120499678 ~1984
6025099602509918 ~1986
6025207964033138 ~1986
6025421482033698 ~1985
6025583120511678 ~1984
6025619120512398 ~1984
6025637361538238 ~1985
6025703120514078 ~1984
6025781361546878 ~1985
6025813361548798 ~1985
6025829482066338 ~1985
6025991120519838 ~1984
6026099120521998 ~1984
6026297361577838 ~1985
6026297482103778
Exp. Prime Factor Digits Year
60263891325805599 ~1987
6026411120528238 ~1984
6026641361598478 ~1985
6026711120534238 ~1984
60270231567025999 ~1987
6027071482165698 ~1985
6027143115721145710 ~1989
6027419120548398 ~1984
6027523602752318 ~1986
6027647482211778 ~1985
6027739602773918 ~1986
6027761482220898 ~1985
6027941361676478 ~1985
6028123602812318 ~1986
6028193843947038 ~1986
6028283120565678 ~1984
6028303602830318 ~1986
6028343120566878 ~1984
6028577361714638 ~1985
6028703120574078 ~1984
6028793844031038 ~1986
6028811120576238 ~1984
6029041361742478 ~1985
6029281361756878 ~1985
6029591120591838 ~1984
Exp. Prime Factor Digits Year
6029641361778478 ~1985
6029759120595198 ~1984
6029879120597598 ~1984
6030263120605278 ~1984
6030281361816878 ~1985
6030421964867378 ~1986
6030433361825998 ~1985
6030539120610798 ~1984
6030851120617038 ~1984
6030883964941298 ~1986
6031199120623998 ~1984
6031229482498338 ~1985
6031301361878078 ~1985
6031321361879278 ~1985
6031439482515138 ~1985
60314992895119539 ~1987
60318111085725999 ~1986
6032051120641038 ~1984
6032111120642238 ~1984
6032303120646078 ~1984
6032363120647278 ~1984
6032483120649678 ~1984
6032531120650638 ~1984
6032651120653038 ~1984
6033253361995198 ~1985
789
GIMPS The Prime Pages FactorDb.com
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26-03-08