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
683827213Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
4174174672284926784892168.52018-06-17 09:52:09
4938635150475809782572168.72018-06-17 09:52:08
History
DateUserTypeResult
2018-06-17ConductorF
Factor: 417417467228492678489 / TF: 68-69
2018-06-17ConductorF
Factor: 493863515047580978257 / TF: 68-69
2016-10-23sasakiNF
no factor from 2^67 to 2^68
2014-07-31sasakiNF
no factor from 2^66 to 2^67
2014-02-01sasakiNF
no factor from 2^65 to 2^66