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
147486979Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
63916402445527116832012272.42020-04-03 21:18:02
History
DateUserTypeResult
2020-04-03Daniil TsarkovF
Factor: 6391640244552711683201 / TF: 72-73
2016-12-18guruNF
no factor from 2^71 to 2^72
2016-12-18Smok_bmv NF
no factor from 2^70 to 2^71
2016-12-09AK76NF
no factor from 2^69 to 2^70
2016-12-09AK76NF
no factor from 2^68 to 2^69
2016-03-19DerekNF
no factor from 2^67 to 2^68
2015-03-08aurashiftNF
no factor from 2^66 to 2^67
2013-01-01tscNF
no factor from 2^65 to 2^66
2011-01-04RichardNF
no factor from 2^64 to 2^65