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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
22797591823807219 ~1985
2279857136791438 ~1982
2279857364777138
2280073136804398 ~1982
2280097364815538 ~1983
2280107182408578 ~1982
2280203729664978 ~1984
228035945607197 ~1981
228067145613437 ~1981
22806711824536819
228068345613677 ~1981
2280833319316638 ~1983
2280847364935538 ~1983
2280911182472898 ~1982
2281001136860078 ~1982
2281361866917198 ~1984
2281373136882398 ~1982
2281571182525698 ~1982
228161945632397 ~1981
2281619182529538
2281673144201733710 ~1987
2281751410715198 ~1983
22817932875059199 ~1985
2281823109983868710 ~1986
22818837667126899 ~1986
Exp. Prime Factor Digits Year
22819131277871299 ~1984
2282173136930398 ~1982
228224345644877 ~1981
228230345646077 ~1981
2282341136940478 ~1982
2282407410833278 ~1983
2282549867368638 ~1984
2282549242406703910
228269945653997 ~1981
228296345659277 ~1981
228319145663837 ~1981
2283377137002638 ~1982
228355145671037 ~1981
228362345672477 ~1981
2283637365381938 ~1983
2283679548082978 ~1983
2283907913562818 ~1984
22839072009838179
2284379411188238 ~1983
22846791096645939 ~1984
2284831228483118 ~1982
22848312193437779
228487145697437 ~1981
2284951365592178 ~1983
22849511325271599
Exp. Prime Factor Digits Year
228503945700797 ~1981
22851412193735379 ~1985
2285147411326478 ~1983
2285237319933198 ~1983
2285267182821378 ~1982
2285357137121438 ~1982
2285399182831938 ~1982
2285513319971838 ~1983
2285581502827838 ~1983
2285623548549538 ~1983
228571145714237 ~1981
2285711411427998
2285747594294238 ~1983
228589145717837 ~1981
2285981137158878 ~1982
228605945721197 ~1981
2286301137178078 ~1982
2286457685937118 ~1984
2286523228652318 ~1982
2286523365843698
2286577365852338 ~1983
2286659182932738 ~1982
2286671182933698 ~1982
2286671731734738
2286773137206398 ~1982
Exp. Prime Factor Digits Year
2287013548883138 ~1983
2287013731844178
2287063365930098 ~1983
2287121137227278 ~1982
2287279411710238 ~1983
2287501366000178 ~1983
2287687549044898 ~1983
228782345756477 ~1981
2287931183034498 ~1982
228799145759837 ~1981
22881191876257599 ~1985
2288213320349838 ~1983
228824345764877 ~1981
2288249549179778 ~1983
2288257137295438 ~1982
2288359411904638 ~1983
228839945767997 ~1981
22884491464607379 ~1984
2288467411924078 ~1983
2288527411934878 ~1983
2288563228856318 ~1982
2288633137317998 ~1982
2288681869698798 ~1984
2288731228873118 ~1982
228877145775437 ~1981
420
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25-06-29