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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
5231483104629678 ~1983
5231701313902078 ~1985
5231827523182718 ~1985
5232559523255918 ~1985
5232761418620898 ~1985
5232977418638178 ~1985
5233043104660878 ~1983
5233133313987998 ~1985
5233139104662798 ~1983
5233223104664478 ~1983
5233271941988798 ~1986
5233381837340978 ~1986
5233439104668798 ~1983
5233619104672398 ~1983
5233649418691938 ~1985
5233751418700098 ~1985
5233793314027598 ~1985
5233997732759598 ~1986
5234111104682238 ~1983
5234399418751938 ~1985
5234483104689678 ~1983
5234491942208398 ~1986
5234513732831838 ~1986
5234741418779298 ~1985
5234843104696878 ~1983
Exp. Prime Factor Digits Year
5234917314095038 ~1985
5235281314116878 ~1985
5235437418834978 ~1985
52354812094192419 ~1987
5235539104710798 ~1983
52356131780108420111 ~1991
5235673314140398 ~1985
52356733769684579
5235761314145678 ~1985
5235803104716078 ~1983
5236093314165598 ~1985
5236139104722798 ~1983
5236193314171598 ~1985
5236261314175678 ~1985
5236271104725438 ~1983
5236271418901698
5236447837831538 ~1986
52366311361524079 ~1986
5236661314199678 ~1985
5237579104751598 ~1983
5238143104762878 ~1983
5238179104763598 ~1983
5238203104764078 ~1983
5238251104765038 ~1983
5238323104766478 ~1983
Exp. Prime Factor Digits Year
5238419104768398 ~1983
5238671104773438 ~1983
5238731104774638 ~1983
5238911104778238 ~1983
5238929419114338 ~1985
5239033314341998 ~1985
5239181314350878 ~1985
5239271104785438 ~1983
5239393314363598 ~1985
5239447523944718 ~1985
5239627838340338 ~1986
5239931104798638 ~1983
52400936602517199 ~1988
5240099104801998 ~1983
52401071257625699 ~1986
52401771572053119 ~1986
5240303104806078 ~1983
5240357419228578 ~1985
52403571991335679
5240377314422638 ~1985
5240383838461298 ~1986
5240413314424798 ~1985
5240783104815678 ~1983
5240819419265538 ~1985
52408971572269119 ~1986
Exp. Prime Factor Digits Year
5240951104819038 ~1983
5241101314466078 ~1985
5241521314491278 ~1985
5241667524166718 ~1985
5241959104839198 ~1983
5242067419365378 ~1985
5242201314532078 ~1985
5242217419377378 ~1985
5242313314538798 ~1985
5242439104848798 ~1983
5242561314553678 ~1985
5242571104851438 ~1983
5242577733960798 ~1986
5242619104852398 ~1983
5242703104854078 ~1983
52428591677714899 ~1986
5242877734002798 ~1986
5242883104857678 ~1983
5243023838883698 ~1986
5243081314584878 ~1985
5243339419467138 ~1985
5243479524347918 ~1985
5243501419480098 ~1985
5243521314611278 ~1985
5243993314639598 ~1985
721
GIMPS The Prime Pages FactorDb.com
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26-01-11