Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
555556607Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21680991505333529910792270.92019-11-14 23:58:55
History
DateUserTypeResult
2020-04-14lindvvF
Factor: 2168099150533352991079 / TF: 70-71
2019-11-14sasakiF
Factor: 2168099150533352991079 / TF: 70-71
2018-11-03Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2018-03-23sasakiNF
no factor from 2^68 to 2^69
2016-11-15sasakiNF
no factor from 2^67 to 2^68
2016-11-09ConductorNF
no factor from 2^67 to 2^68
2015-11-19sasakiNF
no factor from 2^66 to 2^67
2014-09-08sasakiNF
no factor from 2^65 to 2^66
2011-05-08Architects CubedNF
no factor from 2^64 to 2^65