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

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MnStatusDetails
101323373Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
185475368136015702910315612683.92020-11-29 18:19:39
P-1 factors
DateFactorB1B2
2020-11-291854753681360157029103156175000025000000
History
DateUserTypeResult
2020-11-29ky0urakuF-PM1
Factor: 18547536813601570291031561 / (P-1, B1=750000, B2=25000000)
2020-10-02ktonyNF
no factor from 2^75 to 2^76
2020-10-01ktonyNF
no factor from 2^74 to 2^75
2020-03-27Hans LoeblichNF
no factor from 2^73 to 2^74
2020-03-21Dylan DelgadoNF
no factor from 2^72 to 2^73
2014-12-01shaugeNF
no factor from 2^71 to 2^72
2014-04-23ANONYMOUSNF
no factor from 2^70 to 2^71
2013-12-23Alex DiamantopuloNF
no factor from 2^69 to 2^70
2013-12-16Per JessenNF
no factor from 2^68 to 2^69
2013-09-01-Anonymous-NF
no factor from 2^67 to 2^68
2013-08-26timc995NF
no factor from 2^66 to 2^67
2011-07-17riccardo ubertiNF
no factor from 2^65 to 2^66
2010-08-13carlos56NF
no factor from 2^64 to 2^65
2010-03-151997rj7NF
no factor from 2^63 to 2^64