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
277285891Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1573768468355718971032167.12016-11-05 12:37:26
History
DateUserTypeResult
2016-11-05Mikhail E. GolosovF
Factor: 157376846835571897103 / TF: 67-68
2016-01-14mikeblasNF
no factor from 2^66 to 2^67
2013-12-09RichardNF
no factor from 2^65 to 2^66
2011-09-08mmNF
no factor from 2^64 to 2^65
2010-04-04-Anonymous-NF
no factor from 2^63 to 2^64
2010-04-04-Anonymous-NF
no factor from 2^62 to 2^63