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

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MnStatusDetails
277152919Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12049459232874736395832270.02019-07-04 13:27:27
History
DateUserTypeResult
2019-07-04ConductorF
Factor: 1204945923287473639583 / TF: 70-71
2019-07-04ConductorNF
no factor from 2^69 to 2^70
2018-07-08Chabot PrimeNF
no factor from 2^68 to 2^69
2016-11-05rmaximusNF
no factor from 2^67 to 2^68
2016-01-13Mr-PlonkNF
no factor from 2^66 to 2^67
2013-12-07haphaeuNF
no factor from 2^65 to 2^66
2011-09-08HBendtzNF
no factor from 2^64 to 2^65
2010-04-03oodairaNF
no factor from 2^63 to 2^64
2010-04-03oodairaNF
no factor from 2^62 to 2^63