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
25397657Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
27900067782888064974412271.22021-08-28 20:45:02
LL
StatusDateUserResidueShift
Verified (Factored)2005-05-12Said ChavkinFE61535A652AF02B22334957
Verified (Factored)2010-11-25BranMuffinFE61535A652AF02B22794409
History
DateUserTypeResult
2021-08-28TheJudgerF
Factor: 2790006778288806497441 / TF: 71-72
2021-06-16mikrNF
no factor from 2^70 to 2^71
2017-05-28ramgeisNF
no factor from 2^69 to 2^70
2017-05-28ramgeisNF
no factor from 2^68 to 2^69
2016-01-15VictordeHollanderNF
no factor from 2^67 to 2^68
2010-11-25BranMuffinC-LL
FE61535A652AF02B