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
668038249Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
3469668323239458896332168.22018-03-12 21:35:32
4522322520912228484332168.62018-03-12 21:35:32
History
DateUserTypeResult
2018-03-12ConductorF
Factor: 346966832323945889633 / TF: 68-69
2018-03-12ConductorF
Factor: 452232252091222848433 / TF: 68-69
2017-02-15NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-05-15sasakiNF
no factor from 2^66 to 2^67
2013-04-16ramgeisNF
no factor from 2^65 to 2^66
2011-10-12laleraNF
no factor from 2^64 to 2^65
2010-06-13Architects CubedNF
no factor from 2^63 to 2^64