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
178757861Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
74201825302263658723512272.72019-04-13 16:49:36
History
DateUserTypeResult
2019-04-13yponomarevF
Factor: 7420182530226365872351 / TF: 72-73
2019-04-12JMGarciaNF
no factor from 2^71 to 2^72
2019-02-11proxy2222NF
no factor from 2^70 to 2^71
2018-03-27The_MatrixNF
no factor from 2^69 to 2^70
2017-05-22Andrew BNF
no factor from 2^68 to 2^69
2016-06-26Mr-PlonkNF
no factor from 2^67 to 2^68
2015-07-16el groccoNF
no factor from 2^66 to 2^67
2013-04-29RichardNF
no factor from 2^65 to 2^66
2011-03-15sasaki3NF
no factor from 2^64 to 2^65
2010-07-20Architects CubedNF
no factor from 2^63 to 2^64