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

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MnStatusDetails
107075777Factored
FactorDigitsBitsDate
435198921135787456877438412685.22021-10-28 19:52:30
P-1 factors
DateFactorB1B2
2021-10-2843519892113578745687743841886000886000
History
DateUserTypeResult
2021-10-28ky0urakuF-PM1
Factor: 43519892113578745687743841 / (P-1, B1=886000)
2021-04-08TheJudgerNF
no factor from 2^75 to 2^76
2021-04-08TheJudgerNF
no factor from 2^74 to 2^75
2020-03-21srow7NF
no factor from 2^73 to 2^74
2020-03-21srow7NF
no factor from 2^72 to 2^73
2015-01-24PascalBieriNF
no factor from 2^71 to 2^72
2014-10-31shaugeNF
no factor from 2^70 to 2^71
2014-10-31shaugeNF
no factor from 2^69 to 2^70
2014-10-31shaugeNF
no factor from 2^68 to 2^69
2014-10-31shaugeNF
no factor from 2^67 to 2^68
2014-07-01PgaborNF
no factor from 2^66 to 2^67
2012-05-17omiXorpNF
no factor from 2^65 to 2^66
2010-09-07LordJuliusNF
no factor from 2^64 to 2^65
2010-04-24Waldir Walter JuniorNF
no factor from 2^63 to 2^64