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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
251392394525063039 ~1991
25139423502788478 ~1989
25139819502796398 ~1989
25140803502816078 ~1989
251409371508456239 ~1990
25141331502826638 ~1989
251413794525448239 ~1991
25141559502831198 ~1989
25141751502835038 ~1989
25141871502837438 ~1989
25142363502847278 ~1989
25143539502870798 ~1989
25144019502880398 ~1989
25144043502880878 ~1989
25144211502884238 ~1989
25144583502891678 ~1989
25144739502894798 ~1989
25144919502898398 ~1989
251450272011602179 ~1990
251450531508703199 ~1990
25145339502906798 ~1989
251454893520368479 ~1991
25145663502913278 ~1989
25145891502917838 ~1989
25145951502919038 ~1989
Exponent Prime Factor Digits Year
25146083502921678 ~1989
25146311502926238 ~1989
25146431502928638 ~1989
25146503502930078 ~1989
25146911502938238 ~1989
25147019502940398 ~1989
25147163502943278 ~1989
25147571502951438 ~1989
25147631502952638 ~1989
25147699160945273710 ~1992
25148639502972798 ~1989
25148663502973278 ~1989
25148891502977838 ~1989
251489474023831539 ~1991
25149599502991998 ~1989
25149671502993438 ~1989
25149983502999678 ~1989
25150679503013598 ~1989
25150739503014798 ~1989
25151519503030398 ~1989
25151771503035438 ~1989
25152623503052478 ~1989
25152863503057278 ~1989
25153147166010770310 ~1992
25153223503064478 ~1989
Exponent Prime Factor Digits Year
25153379503067598 ~1989
25153571503071438 ~1989
25154219503084398 ~1989
25154471503089438 ~1989
25155239503104798 ~1989
25155659503113198 ~1989
25155899503117998 ~1989
25156619503132398 ~1989
25156919503138398 ~1989
251569811509418879 ~1990
251572815534601839 ~1991
25157591503151838 ~1989
25157651503153038 ~1989
25158851503177038 ~1989
25159451503189038 ~1989
25160099503201998 ~1989
25160423503208478 ~1989
25160819503216398 ~1989
251613472012907779 ~1990
25161611503232238 ~1989
25161743503234878 ~1989
25162199503243998 ~1989
25162271503245438 ~1989
251622712012981699
25162523503250478 ~1989
Exponent Prime Factor Digits Year
25163639503272798 ~1989
25163783503275678 ~1989
25164719503294398 ~1989
25164803503296078 ~1989
25165379503307598 ~1989
25165799503315998 ~1989
25166363503327278 ~1989
25166639503332798 ~1989
25166759503335198 ~1989
25166903503338078 ~1989
25167503503350078 ~1989
25167683503353678 ~1989
25168271503365438 ~1989
25168439503368798 ~1989
25168499503369998 ~1989
25168859503377198 ~1989
251690572013524579 ~1990
25169603503392078 ~1989
251700371510202239 ~1990
25170479503409598 ~1989
25170683503413678 ~1989
25170883266811359910 ~1993
25170923503418478 ~1989
25171031503420638 ~1989
25171319503426398 ~1989
1585
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25-05-04