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

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MnStatusDetails
277161811Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
39569548343239882709512271.72019-07-05 12:24:12
History
DateUserTypeResult
2019-07-05ConductorF
Factor: 3956954834323988270951 / TF: 71-72
2019-07-05ConductorNF
no factor from 2^70 to 2^71
2019-07-05ConductorNF
no factor from 2^69 to 2^70
2018-07-08Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-11-05Jan KuipersNF
no factor from 2^67 to 2^68
2016-01-13VteamNF
no factor from 2^66 to 2^67
2013-12-07haphaeuNF
no factor from 2^65 to 2^66
2011-09-08Piotrek2234NF
no factor from 2^64 to 2^65
2010-04-03Torchwood InstituteNF
no factor from 2^63 to 2^64
2010-04-03Torchwood InstituteNF
no factor from 2^62 to 2^63