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
188940187Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
80575260126175961812072272.82019-09-14 10:06:26
History
DateUserTypeResult
2021-06-01ViliamFNF
no factor from 2^69 to 2^70
2021-06-01ViliamFNF
no factor from 2^68 to 2^69
2019-09-14ConductorF
Factor: 8057526012617596181207 / TF: 72-73
2019-09-14La GüiraNF
no factor from 2^71 to 2^72
2019-08-19E.LechnerNF
no factor from 2^70 to 2^71
2016-11-05Dominik RadlerNF
no factor from 2^69 to 2^70
2016-11-05Dominik RadlerNF
no factor from 2^68 to 2^69
2016-07-29WileECoyoteNF
no factor from 2^67 to 2^68
2015-08-23Mr-PlonkNF
no factor from 2^66 to 2^67
2013-06-01RichardNF
no factor from 2^65 to 2^66
2011-04-07sasaki3NF
no factor from 2^64 to 2^65
2010-08-01sasaki3NF
no factor from 2^63 to 2^64