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
31167883Factored
FactorDigitsBitsDate
171208830384177552888012373.92021-12-28 04:32:00
LL
StatusDateUserResidueShift
Bad2006-08-14Justin HornbyFBD7D16584C439DB16835394
Verified (Factored)2008-03-05C. Cooper / S. Boone6B94C73D6A9B5DF721585686
Verified (Factored)2013-05-21-Anonymous-6B94C73D6A9B5DF71830002
History
DateUserTypeResult
2021-12-28Smok_bmv F
Factor: 17120883038417755288801 / TF: 73-74*
2021-12-28Smok_bmv NF
no factor from 2^72 to 2^73
2018-09-23Architects CubedNF
no factor from 2^71 to 2^72
2018-04-22ramgeisNF
no factor from 2^70 to 2^71
2013-05-21-Anonymous-C-LL
6B94C73D6A9B5DF7
2013-02-04ChuckNF
no factor from 2^69 to 2^70
2012-06-15bcp19NF
no factor from 2^68 to 2^69
2011-06-01UngelovendeNF
no factor from 2^67 to 2^68