Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
27807173Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4762245828373915249372168.72012-02-07 09:18:06
LL
StatusDateUserResidueShift
Verified (Factored)2008-02-03Aki Määttä871FDF201E54263D11700130
History
DateUserTypeResult
2022-02-18masserNF
no factor from 2^70 to 2^71
2022-02-08masserNF
no factor from 2^69 to 2^70
2022-01-28masserF
Factor: 476224582837391524937 / TF: 68-69
2012-02-07Carsten KossendeyF
Factor: 476224582837391524937
2011-11-06Eric ChristensonNF
no factor from 2^67 to 2^68