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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
5612447448995778 ~1985
5612591112251838 ~1984
5612609449008738 ~1985
56128572245142819 ~1987
5612951449036098 ~1985
5613217898114738 ~1986
5613431112268638 ~1984
5613457336807438 ~1985
5613563112271278 ~1984
5613623112272478 ~1984
5613857449108578 ~1985
5614061336843678 ~1985
5614223112284478 ~1984
5614523112290478 ~1984
5614589449167138 ~1985
5614681336880878 ~1985
5614919449193538 ~1985
5615107561510718 ~1985
5615167898426738 ~1986
5615213336912798 ~1985
5615273336916398 ~1985
5615579112311598 ~1984
5615669786193678 ~1986
5615699112313998 ~1984
5615713336942798 ~1985
Exp. Prime Factor Digits Year
5615723112314478 ~1984
5615741336944478 ~1985
5615803561580318 ~1985
5615891112317838 ~1984
5616097898575538 ~1986
5616277336976638 ~1985
56163831347931939 ~1986
56163891684916719 ~1987
5616431112328638 ~1984
56164312358901039
56164331684929919 ~1987
56165572695947379 ~1987
5616643561664318 ~1985
5616679117950259110 ~1989
5616883561688318 ~1985
5616893337013598 ~1985
5616967561696718 ~1985
5617043112340878 ~1984
5617211112344238 ~1984
5617301337038078 ~1985
5617349449387938 ~1985
5617421337045278 ~1985
5617421449393698
5617499112349998 ~1984
5617639534799232910 ~1990
Exp. Prime Factor Digits Year
5617741337064478 ~1985
5617897898863538 ~1986
56180271011244879 ~1986
5618111112362238 ~1984
5618441337106478 ~1985
5618579449486338 ~1985
5618581337114878 ~1985
5618777337126638 ~1985
56190731236196079 ~1986
5619143112382878 ~1984
5619203112384078 ~1984
5619379561937918 ~1985
5619473786726238 ~1986
5619487561948718 ~1985
5619547561954718 ~1985
5619683112393678 ~1984
5619701449576098 ~1985
5619919561991918 ~1985
5619983112399678 ~1984
5620091112401838 ~1984
5620271112405438 ~1984
56203396294779699 ~1988
5620451112409038 ~1984
5620453337227198 ~1985
5620493337229598 ~1985
Exp. Prime Factor Digits Year
5620709449656738 ~1985
5620799449663938 ~1985
5620913337254798 ~1985
5621437337286238 ~1985
5621471449717698 ~1985
5621687449734978 ~1985
5621753337305198 ~1985
5621857337311438 ~1985
5621873337312398 ~1985
5621899562189918 ~1985
5621939112438798 ~1984
5622059449764738 ~1985
5622251112445038 ~1984
5622319562231918 ~1985
5622473337348398 ~1985
5622479449798338 ~1985
5622497337349838 ~1985
5622899112457998 ~1984
5623099562309918 ~1985
5623193337391598 ~1985
56231931799421779
5623199112463998 ~1984
5623283112465678 ~1984
56232834498626419
5623301337398078 ~1985
768
GIMPS The Prime Pages FactorDb.com
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26-07-19