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
106861829Factored
FactorDigitsBitsDate
4018738763968071996126461932788.42020-04-21 19:19:33
P-1 factors
DateFactorB1B2
2020-04-214018738763968071996126461938150000
History
DateUserTypeResult
2020-04-21Ge yongF-PM1
Factor: 401873876396807199612646193 / (P-1, B1=815000)
2020-04-08TheJudgerNF
no factor from 2^76 to 2^77
2020-03-291997rj7NF
no factor from 2^75 to 2^76
2020-03-291997rj7NF
no factor from 2^74 to 2^75
2020-02-19Hans LoeblichNF
no factor from 2^73 to 2^74
2020-02-13el groccoNF
no factor from 2^72 to 2^73
2015-01-16Judge HaleNF
no factor from 2^71 to 2^72
2013-09-26RobishNF
no factor from 2^70 to 2^71
2013-09-22MatthiasNF
no factor from 2^69 to 2^70
2013-09-21MatthiasNF
no factor from 2^68 to 2^69
2013-09-21CSLatDDNF
no factor from 2^67 to 2^68
2013-09-18CSLatDDNF
no factor from 2^66 to 2^67
2012-05-17omiXorpNF
no factor from 2^65 to 2^66
2010-09-06Mr-PlonkNF
no factor from 2^64 to 2^65
2010-05-07James HintzNF
no factor from 2^63 to 2^64