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

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MnStatusDetails
560001553Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4579476460571922188392168.62016-11-11 20:07:07
History
DateUserTypeResult
2016-11-11ConductorF
Factor: 457947646057192218839 / TF: 68-70
2016-07-14XZTNF
no factor from 2^67 to 2^68
2015-10-29sasakiNF
no factor from 2^66 to 2^67
2014-04-10sasakiNF
no factor from 2^65 to 2^66
2011-07-06Architects CubedNF
no factor from 2^64 to 2^65
2010-03-02Architects CubedNF
no factor from 2^63 to 2^64