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

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MnStatusDetails
41411483Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
217795563804172895735692374.22023-10-26 04:35:54
LL
StatusDateUserResidueShift
Verified (Factored)2008-04-25Kelly KelleyA720A5B30A4272D217573960
Verified (Factored)2017-09-16Mark RoseA720A5B30A4272D225298061
History
DateUserTypeResult
2023-10-26Smok_bmv F
Factor: 21779556380417289573569 / TF: 74-75*
2023-10-25Smok_bmv NF
no factor from 2^73 to 2^74
2022-05-13Sid & AndyNF
no factor from 2^72 to 2^73
2017-09-16Mark RoseC-LL
A720A5B30A4272D2
2015-08-24AirSquirrelsNF
no factor from 2^71 to 2^72
2015-01-10krackerNF
no factor from 2^70 to 2^71
2015-01-10Mark RoseNF
no factor from 2^69 to 2^70
2014-02-11LaurVNF
no factor from 2^68 to 2^69