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

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MnStatusDetails
100605311Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3726027780543962252290830122713098.22020-10-28 05:04:29
P-1 factors
DateFactorB1B2
2020-10-2837260277805439622522908301227184000017220000
History
DateUserTypeResult
2020-10-28ky0urakuF-PM1
Factor: 372602778054396225229083012271 / (P-1, B1=840000, B2=17220000, E=12)
2020-09-10Bill StaffenNF
no factor from 2^75 to 2^76
2020-09-10Bill StaffenNF
no factor from 2^74 to 2^75
2020-03-19gcardonaNF
no factor from 2^73 to 2^74
2020-03-05el groccoNF
no factor from 2^72 to 2^73
2017-03-20mikrNF
no factor from 2^71 to 2^72
2014-10-10shaugeNF
no factor from 2^70 to 2^71
2014-10-04soldcakeNF
no factor from 2^69 to 2^70
2014-06-29PhilNF
no factor from 2^68 to 2^69
2014-06-24SMoffatNF
no factor from 2^67 to 2^68
2011-03-22Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-20Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-10Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-01-031997rj7NF
no factor from 2^63 to 2^64