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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
5227769418221538 ~1985
5227769731887678
5228159104563198 ~1983
5228263522826318 ~1985
5228339104566798 ~1983
52284374914730799 ~1988
5228453731983438 ~1986
5228473313708398 ~1985
5228539522853918 ~1985
5228651104573038 ~1983
5228761313725678 ~1985
5228777732028798 ~1986
52289211986989999 ~1987
52289631359530399 ~1986
5228969418317538 ~1985
5229071104581438 ~1983
5229151522915118 ~1985
5229299104585998 ~1983
5229377313762638 ~1985
5229391522939118 ~1985
5229443104588878 ~1983
5229491104589838 ~1983
52295691673462099 ~1986
5229661313779678 ~1985
5229857418388578 ~1985
Exp. Prime Factor Digits Year
5229911941383998 ~1986
5229943522994318 ~1985
5230021313801278 ~1985
5230193313811598 ~1985
5230259104605198 ~1983
5230397418431778 ~1985
5230399523039918 ~1985
5230691104613838 ~1983
5230837313850238 ~1985
5230921313855278 ~1985
5230997732339598 ~1986
52310292092411619 ~1987
5231111104622238 ~1983
5231311523131118 ~1985
52314112197192639 ~1987
5231483104629678 ~1983
5231701313902078 ~1985
5231827523182718 ~1985
5232559523255918 ~1985
5232761418620898 ~1985
5232977418638178 ~1985
5233043104660878 ~1983
5233133313987998 ~1985
5233139104662798 ~1983
5233223104664478 ~1983
Exp. Prime Factor Digits Year
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
5234917314095038 ~1985
5235281314116878 ~1985
5235437418834978 ~1985
52354812094192419 ~1987
5235539104710798 ~1983
52356131780108420111 ~1991
5235673314140398 ~1985
52356733769684579
5235761314145678 ~1985
5235803104716078 ~1983
Exp. Prime Factor Digits Year
5236093314165598 ~1985
5236139104722798 ~1983
5236193314171598 ~1985
5236261314175678 ~1985
5236271104725438 ~1983
5236271418901698
5236447837831538 ~1986
5236661314199678 ~1985
5237579104751598 ~1983
5238143104762878 ~1983
5238179104763598 ~1983
5238203104764078 ~1983
5238251104765038 ~1983
5238323104766478 ~1983
5238419104768398 ~1983
5238671104773438 ~1983
5238731104774638 ~1983
5238911104778238 ~1983
5238929419114338 ~1985
5239033314341998 ~1985
5239181314350878 ~1985
5239271104785438 ~1983
5239393314363598 ~1985
5239447523944718 ~1985
5239627838340338 ~1986
714
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25-10-26