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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
186090614093993439 ~1990
18609443372188878 ~1988
186094991860949919 ~1989
186097511860975119 ~1989
18610079372201598 ~1988
186109512977752179 ~1990
18611903372238078 ~1988
186121031861210319 ~1989
18612323372246478 ~1988
18612383372247678 ~1988
18612959372259198 ~1988
18613271372265438 ~1988
18613811372276238 ~1988
18614171372283438 ~1988
18614347119131820910 ~1991
18614759372295198 ~1988
186147771116886639 ~1989
186150611116903679 ~1989
18615251372305038 ~1988
18615479372309598 ~1988
186159771489278179 ~1989
186167811489342499 ~1989
18616943372338878 ~1988
186170873351075679 ~1990
18617171372343438 ~1988
Exponent Prime Factor Digits Year
186174411489395299 ~1989
18617783372355678 ~1988
18617831372356638 ~1988
18618191372363838 ~1988
18618503372370078 ~1988
18618923372378478 ~1988
18619283372385678 ~1988
186193391861933919 ~1989
186195291489562339 ~1989
18619637294190264710 ~1992
18620051372401038 ~1988
18620603372412078 ~1988
18621023372420478 ~1988
186213131117278799 ~1989
18621671372433438 ~1988
18621983372439678 ~1988
186224211117345279 ~1989
18622511372450238 ~1988
18623411372468238 ~1988
18623639372472798 ~1988
18624059372481198 ~1988
18624383372487678 ~1988
18624839372496798 ~1988
186248471862484719 ~1989
18624899372497998 ~1988
Exponent Prime Factor Digits Year
186249132979986099 ~1990
18625237100576279910 ~1991
186253491490027939 ~1989
18625619372512398 ~1988
18625979372519598 ~1988
186259932980158899 ~1990
18626171372523438 ~1988
186262191490097539 ~1989
18626243372524878 ~1988
18626291372525838 ~1988
186263571490108579 ~1989
18626579372531598 ~1988
18626879372537598 ~1988
18627023372540478 ~1988
186274371117646239 ~1989
18627659372553198 ~1988
186277791490222339 ~1989
186278111862781119 ~1989
186281931117691599 ~1989
18628373268248571310 ~1992
18628859372577198 ~1988
186289971490319779 ~1989
186291891490335139 ~1989
18629939372598798 ~1988
18630119372602398 ~1988
Exponent Prime Factor Digits Year
18630779372615598 ~1988
186308091490464739 ~1989
18630863372617278 ~1988
186309171117855039 ~1989
18630959372619198 ~1988
18631451372629038 ~1988
18631631372632638 ~1988
186318411490547299 ~1989
186318614099009439 ~1990
18632363372647278 ~1988
18632591372651838 ~1988
18632843372656878 ~1988
18632879372657598 ~1988
18632903372658078 ~1988
18633431357761875310 ~1993
18634139372682798 ~1988
186342434472218339 ~1990
186343811118062879 ~1989
18634391372687838 ~1988
18634691372693838 ~1988
186348171118089039 ~1989
18634963223619556110 ~1992
186353811490830499 ~1989
18635411372708238 ~1988
18635759372715198 ~1988
1380
GIMPS The Prime Pages FactorDb.com
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25-06-08