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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
1666081366537838
166613933322797 ~1980
16662372499355519 ~1984
166629799977837 ~1981
1666297399911298
1666351166635118 ~1981
166640333328077 ~1980
16665071766497439 ~1984
166652333330477 ~1980
166655933331197 ~1980
1666559299980638
1666597666638818 ~1983
1666627266660338 ~1982
166665799999437 ~1981
1666781133342498 ~1981
1666811433370878 ~1982
1666853100011198 ~1981
1666919133353538 ~1981
1666939666775618 ~1983
1667179700215198 ~1983
1667243833621518 ~1983
166727933345597 ~1980
166757933351597 ~1980
1667599300167838 ~1982
166765133353037 ~1980
Exp. Prime Factor Digits Year
1667741133419298 ~1981
1667833400279938 ~1982
1667867133429378 ~1981
1667917767241838 ~1983
166795133359037 ~1980
1668061100083678 ~1981
166808333361677 ~1980
1668089900768078 ~1983
1668113934143298 ~1983
166811933362397 ~1980
1668197100091838 ~1981
1668197400367298
1668379166837918 ~1981
1668479133478338 ~1981
166850333370077 ~1980
16685031902093439
1668619166861918 ~1981
1668739567371278 ~1983
1668757100125438 ~1981
166879133375837 ~1980
1668833100129998 ~1981
166891133378237 ~1980
1668971133517698 ~1981
1669091534109138 ~1983
1669121100147278 ~1981
Exp. Prime Factor Digits Year
1669147166914718 ~1981
1669331801278898 ~1983
1669357500807118 ~1982
1669399400655778 ~1982
1669453100167198 ~1981
1669453267112498
16694691202017699 ~1983
1669543667817218 ~1983
166957133391437 ~1980
1669627166962718 ~1981
1669637400712898 ~1982
1669649233750878 ~1982
166975133395037 ~1980
166976333395277 ~1980
166993133398637 ~1980
1669933100195998 ~1981
1669999567799678 ~1983
167018333403677 ~1980
1670353100221198 ~1981
1670359167035918 ~1981
16703993741693779 ~1985
1670413100224798 ~1981
1670569400936578 ~1982
1670597133647778 ~1981
1670717634872478 ~1983
Exp. Prime Factor Digits Year
1670833367583278 ~1982
167089133417837 ~1980
1670953367609678 ~1982
16710734378211279 ~1985
16711391203220099 ~1983
1671161133692898 ~1981
1671227133698178 ~1981
1671289367683598 ~1982
167131133426237 ~1980
1671311434540878
167135933427197 ~1980
167144333428877 ~1980
167167133433437 ~1980
1671689133735138 ~1981
1671781100306878 ~1981
16717811203682339
1672037100322238 ~1981
1672079836039518 ~1983
1672087167208718 ~1981
1672091133767298 ~1981
1672091144803080710
1672117267538738 ~1982
1672199133775938 ~1981
1672199802655538
167227133445437 ~1980
347
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25-11-17