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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
214736237301031839 ~1991
21474059429481198 ~1988
214741131288446799 ~1989
214741373006379199 ~1990
21474143429482878 ~1988
21474443429488878 ~1988
21474983429499678 ~1988
21475271429505438 ~1988
214756873865623679 ~1991
21476303429526078 ~1988
214764199020095999 ~1991
21476519429530398 ~1988
21476639429532798 ~1988
21476699429533998 ~1988
21477539429550798 ~1988
21477803429556078 ~1988
21478211429564238 ~1988
21478631429572638 ~1988
21480059429601198 ~1988
214802331288813999 ~1989
214810033436960499 ~1990
21481079429621598 ~1988
21481331429626638 ~1988
214817691718541539 ~1990
214817696444530719
Exponent Prime Factor Digits Year
21482159429643198 ~1988
214821593866788639
21482603429652078 ~1988
21482999429659998 ~1988
21483239429664798 ~1988
21483719429674398 ~1988
21483779429675598 ~1988
214838531289031199 ~1989
214839011289034079 ~1989
21484349631639860710 ~1994
214844871718758979 ~1990
21485591429711838 ~1988
21485819429716398 ~1988
21486779429735598 ~1988
214868211289209279 ~1989
21488063429761278 ~1988
214880996876191699 ~1991
21488171429763438 ~1988
21488339429766798 ~1988
214888011289328079 ~1989
214888095157314179 ~1991
214892573008495999 ~1990
21489311429786238 ~1988
21489491429789838 ~1988
21489631206300457710 ~1992
Exponent Prime Factor Digits Year
214898333008576639 ~1990
21489911429798238 ~1988
214901771289410639 ~1989
21490523429810478 ~1988
214905312149053119 ~1990
214906131289436799 ~1989
214912011289472079 ~1989
21491471429829438 ~1988
214916271719330179 ~1990
21492203429844078 ~1988
214930571289583439 ~1989
21493079429861598 ~1988
21493259429865198 ~1988
21493331429866638 ~1988
21493583429871678 ~1988
21493739429874798 ~1988
21494183429883678 ~1988
21494279429885598 ~1988
214944411289666479 ~1989
21494663429893278 ~1988
214951011289706079 ~1989
214954571289727439 ~1989
214956133439298099 ~1990
214959171289755039 ~1989
21495983429919678 ~1988
Exponent Prime Factor Digits Year
21496043429920878 ~1988
21496523429930478 ~1988
214970571719764579 ~1990
214970931289825599 ~1989
21497123429942478 ~1988
21499091429981838 ~1988
214995016449850319 ~1991
214995611289973679 ~1989
215002094730045999 ~1991
21500519430010398 ~1988
21500939430018798 ~1988
21501059430021198 ~1988
21501229258014748110 ~1993
215012411290074479 ~1989
21501299430025998 ~1988
21502031430040638 ~1988
21502199430043998 ~1988
21502583430051678 ~1988
215026513440424179 ~1990
21502703430054078 ~1988
21503063430061278 ~1988
21503159430063198 ~1988
215038934730856479 ~1991
21504023430080478 ~1988
21504083430081678 ~1988
1463
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25-04-13