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

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MnStatusDetails
262072751Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1409447240760890915832166.92015-12-19 08:32:13
History
DateUserTypeResult
2015-12-19ConductorF
Factor: 140944724076089091583 / TF: 66-67
2013-11-21RichardNF
no factor from 2^65 to 2^66
2011-08-14csabaNF
no factor from 2^64 to 2^65
2010-03-15csabaNF
no factor from 2^63 to 2^64
2010-03-15csabaNF
no factor from 2^62 to 2^63