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

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MnStatusDetails
191538509Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
43188649582716712948072271.92019-01-13 05:54:09
History
DateUserTypeResult
2019-01-13Smok_bmv F
Factor: 4318864958271671294807 / TF: 71-72*
2019-01-07Johan ViljoenNF
no factor from 2^70 to 2^71
2018-11-22Chabot PrimeNF
no factor from 2^69 to 2^70
2017-02-19XZTNF
no factor from 2^68 to 2^69
2016-05-24XZTNF
no factor from 2^67 to 2^68
2015-08-31rmaximusNF
no factor from 2^66 to 2^67
2013-06-09Lukin DmitryNF
no factor from 2^65 to 2^66
2011-04-12oodairaNF
no factor from 2^64 to 2^65
2010-08-04Architects CubedNF
no factor from 2^63 to 2^64