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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
25122131502442638 ~1989
25122239502444798 ~1989
251224676531841439 ~1991
25122551502451038 ~1989
25122899502457998 ~1989
25123079502461598 ~1989
25123211502464238 ~1989
25123303100493212110 ~1992
25123391502467838 ~1989
25123583502471678 ~1989
25125059502501198 ~1989
25125491502509838 ~1989
25125539502510798 ~1989
25125851502517038 ~1989
25126043502520878 ~1989
251266571507599439 ~1990
251270272010162179 ~1990
25128263502565278 ~1989
25128599502571998 ~1989
251286173518006399 ~1991
251289472010315779 ~1990
251296672010373379 ~1990
25129691502593838 ~1989
25129943502598878 ~1989
25130279502605598 ~1989
Exponent Prime Factor Digits Year
25130291502605838 ~1989
25130459502609198 ~1989
25130531502610638 ~1989
251308396031401379 ~1991
25130951502619038 ~1989
251313472010507779 ~1990
25132319502646398 ~1989
25132703502654078 ~1989
251336212010689699 ~1990
25133651502673038 ~1989
251337371508024239 ~1990
251340731508044399 ~1990
251341996032207779 ~1991
25134299502685998 ~1989
25134731502694638 ~1989
25134743502694878 ~1989
25135403502708078 ~1989
251356792010854339 ~1990
25136099502721998 ~1989
25136603502732078 ~1989
25136651502733038 ~1989
251371731508230399 ~1990
25137179502743598 ~1989
251371792010974339
25137227125686135110 ~1992
Exponent Prime Factor Digits Year
25137971502759438 ~1989
251384931508309599 ~1990
251390535530591679 ~1991
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
Exponent Prime Factor Digits Year
25145663502913278 ~1989
25145891502917838 ~1989
25145951502919038 ~1989
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
1527
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24-10-27