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
661005563Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1827865847495173771912167.32016-12-03 19:21:47
History
DateUserTypeResult
2016-12-03ConductorF
Factor: 182786584749517377191 / TF: 67-68
2014-03-24sasakiNF
no factor from 2^66 to 2^67
2013-12-15sasakiNF
no factor from 2^65 to 2^66
2012-01-23LingUaanNF
no factor from 2^64 to 2^65
2010-06-16Architects CubedNF
no factor from 2^63 to 2^64