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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
5458213327492798 ~1985
5458223109164478 ~1984
5458331109166638 ~1984
5458457327507438 ~1985
5458471545847118 ~1985
54586672620160179 ~1987
5458861327531678 ~1985
5458877327532638 ~1985
5458919109178398 ~1984
54589191310140579
54595992183839619 ~1987
5459879109197598 ~1984
5459887545988718 ~1985
5459939109198798 ~1984
5459953327597198 ~1985
5459981436798498 ~1985
5460017327601038 ~1985
5460443109208878 ~1984
5460491109209838 ~1984
5460551109211038 ~1984
54607972075102879 ~1987
54608691638260719 ~1986
5460877327652638 ~1985
5460907873745138 ~1986
5461271109225438 ~1984
Exp. Prime Factor Digits Year
5461283109225678 ~1984
5461619109232398 ~1984
5461637327698238 ~1985
5461763109235278 ~1984
5461871109237438 ~1984
5461919109238398 ~1984
5462003109240078 ~1984
5462111109242238 ~1984
5462497327749838 ~1985
5462659983278638 ~1986
5462719546271918 ~1985
5462783109255678 ~1984
5462843109256878 ~1984
5462923546292318 ~1985
5463011109260238 ~1984
5463041327782478 ~1985
5463119109262398 ~1984
5463131437050498 ~1985
5463257327795438 ~1985
5463389437071138 ~1985
5463553327813198 ~1985
5463721327823278 ~1985
5464103109282078 ~1984
5464127437130178 ~1985
5464163109283278 ~1984
Exp. Prime Factor Digits Year
5464177327850638 ~1985
5464243546424318 ~1985
5464553327873198 ~1985
5464559109291198 ~1984
5464631983633598 ~1986
5464703109294078 ~1984
5464861327891678 ~1985
5465039109300798 ~1984
5465069437205538 ~1985
5465281327916878 ~1985
5465303109306078 ~1984
5465431546543118 ~1985
5465491546549118 ~1985
5465561327933678 ~1985
5465563546556318 ~1985
5465609437248738 ~1985
5465861437268898 ~1985
5465903109318078 ~1984
5465969437277538 ~1985
5466259983926638 ~1986
5466569765319678 ~1986
5466577327994638 ~1985
5466607546660718 ~1985
5466701437336098 ~1985
5466997328019838 ~1985
Exp. Prime Factor Digits Year
5467019437361538 ~1985
5467027546702718 ~1985
5467303123561047910 ~1989
5467541437403298 ~1985
5467577437406178 ~1985
5467663546766318 ~1985
5467733328063998 ~1985
5467799109355998 ~1984
5467871437429698 ~1985
54682091203005999 ~1986
5468363109367278 ~1984
5468527984334878 ~1986
5468587874973938 ~1986
5468759109375198 ~1984
5468797328127838 ~1985
5468921328135278 ~1985
5468923875027698 ~1986
5468999437519938 ~1985
5469071109381438 ~1984
54690733500206739 ~1987
5469203109384078 ~1984
5469413328164798 ~1985
5469707437576578 ~1985
5469727546972718 ~1985
5469749437579938 ~1985
722
GIMPS The Prime Pages FactorDb.com
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25-07-08