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

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MnStatusDetails
101399659Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12133062730954744486112393482393199.92020-12-02 16:12:42
P-1 factors
DateFactorB1B2
2020-12-02121330627309547444861123934823975000025000000
History
DateUserTypeResult
2020-12-02ky0urakuF-PM1
Factor: 1213306273095474448611239348239 / (P-1, B1=750000, B2=25000000)
2020-10-09Luigi MorelliNF
no factor from 2^75 to 2^76
2020-10-09Luigi MorelliNF
no factor from 2^74 to 2^75
2020-03-30SRBaseNF
no factor from 2^73 to 2^74
2019-12-05TheGazManNF
no factor from 2^72 to 2^73
2014-12-05Simon HarrisonNF
no factor from 2^71 to 2^72
2014-04-11PascalBieriNF
no factor from 2^70 to 2^71
2014-04-06PascalBieriNF
no factor from 2^69 to 2^70
2014-04-06-Anonymous-NF
no factor from 2^69 to 2^70
2014-03-31ITSNF
no factor from 2^68 to 2^69
2014-03-27ITSNF
no factor from 2^67 to 2^68
2013-10-25g0bNF
no factor from 2^66 to 2^67
2012-04-15Lukin DmitryNF
no factor from 2^65 to 2^66
2010-08-13Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-03-011997rj7NF
no factor from 2^63 to 2^64