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

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MnStatusDetails
100237591Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
105671317552018118192040787075691934109.72020-10-21 02:34:37
P-1 factors
DateFactorB1B2
2020-10-21105671317552018118192040787075691984000017220000
History
DateUserTypeResult
2020-10-21Sergey NosovF-PM1
Factor: 1056713175520181181920407870756919 / (P-1, B1=840000, B2=17220000, E=12)
2020-07-19ktonyNF
no factor from 2^75 to 2^76
2020-06-14lobsterfordinnerNF
no factor from 2^74 to 2^75
2020-02-25ixfd64NF
no factor from 2^73 to 2^74
2020-02-10el groccoNF
no factor from 2^72 to 2^73
2014-12-23workerthreadNF
no factor from 2^71 to 2^72
2013-10-27LarryGNF
no factor from 2^70 to 2^71
2013-09-21processinfoNF
no factor from 2^69 to 2^70
2011-04-22Craig MeyersNF
no factor from 2^68 to 2^69
2011-04-22Craig MeyersNF
no factor from 2^67 to 2^68
2011-03-10Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-05Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-09sasaki3NF
no factor from 2^64 to 2^65
2010-02-251997rj7NF
no factor from 2^63 to 2^64