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

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MnStatusDetails
673422271Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
4334447850208858929592168.62018-04-14 07:28:24
5272918451122638530712168.82018-04-14 07:28:23
History
DateUserTypeResult
2018-04-14ConductorF
Factor: 433444785020885892959 / TF: 68-69
2018-04-14ConductorF
Factor: 527291845112263853071 / TF: 68-69
2017-01-04NoPolarBearsHereNF
no factor from 2^67 to 2^68
2014-07-08sasakiNF
no factor from 2^66 to 2^67
2013-12-28sasakiNF
no factor from 2^65 to 2^66