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
277055971Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6110666927458183357032169.02019-06-13 19:54:42
History
DateUserTypeResult
2019-06-13ConductorF
Factor: 611066692745818335703 / TF: 69-70
2018-07-09kevshawNF
no factor from 2^68 to 2^69
2016-11-04XolotlNF
no factor from 2^67 to 2^68
2016-01-14beyondNF
no factor from 2^66 to 2^67
2013-12-06jim f in mnNF
no factor from 2^65 to 2^66
2011-09-08Mr-PlonkNF
no factor from 2^64 to 2^65
2010-04-04garoNF
no factor from 2^63 to 2^64
2010-04-04garoNF
no factor from 2^62 to 2^63