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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
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
5239931104798638 ~1983
52400936602517199 ~1988
5240099104801998 ~1983
52401071257625699 ~1986
52401771572053119 ~1986
5240303104806078 ~1983
5240357419228578 ~1985
52403571991335679
Exp. Prime Factor Digits Year
5240377314422638 ~1985
5240383838461298 ~1986
5240413314424798 ~1985
5240783104815678 ~1983
5240819419265538 ~1985
52408971572269119 ~1986
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
Exp. Prime Factor Digits Year
5243081314584878 ~1985
5243339419467138 ~1985
5243479524347918 ~1985
5243501419480098 ~1985
5243521314611278 ~1985
5243993314639598 ~1985
5244013314640798 ~1985
5244277314656638 ~1985
5244311104886238 ~1983
5244641314678478 ~1985
52446412936998979
5244661314679678 ~1985
5244671104893438 ~1983
5244803104896078 ~1983
5244809734273278 ~1986
52449371573481119 ~1986
5245139419611138 ~1985
52453971258895299 ~1986
5245619419649538 ~1985
52460891154139599 ~1986
5246441314786478 ~1985
52465031259160739 ~1986
5246519104930398 ~1983
52466172518376179 ~1987
5246867944436078 ~1986
Exp. Prime Factor Digits Year
5246873314812398 ~1985
5246957734573998 ~1986
5246981419758498 ~1985
5247041314822478 ~1985
5247083104941678 ~1983
52472331259335939 ~1986
5247299104945998 ~1983
5247391251874768110 ~1989
5247461419796898 ~1985
5247491104949838 ~1983
5247659104953198 ~1983
5247919524791918 ~1985
5248091104961838 ~1983
52481532099261219 ~1987
5248499104969998 ~1983
5248499419879938
5248559419884738 ~1985
5248583104971678 ~1983
5248601419888098 ~1985
52488431259722339 ~1986
5249011524901118 ~1985
5249033734864638 ~1986
5249051419924098 ~1985
5249399104987998 ~1983
5249479944906238 ~1986
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26-03-29