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

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MnStatusDetails
101403311Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
657248121588666010552225192685.82020-12-05 18:54:04
P-1 factors
DateFactorB1B2
2020-12-0565724812158866601055222519750000750000
History
DateUserTypeResult
2020-12-05ky0urakuF-PM1
Factor: 65724812158866601055222519 / (P-1, B1=750000)
2020-10-10Luigi MorelliNF
no factor from 2^75 to 2^76
2020-10-10Luigi MorelliNF
no factor from 2^74 to 2^75
2020-03-18Hans LoeblichNF
no factor from 2^73 to 2^74
2019-12-05TheGazManNF
no factor from 2^72 to 2^73
2017-09-24el groccoNF
no factor from 2^71 to 2^72
2015-03-21-Anonymous-NF
no factor from 2^70 to 2^71
2014-07-16SMoffatNF
no factor from 2^69 to 2^70
2014-07-12SMoffatNF
no factor from 2^68 to 2^69
2014-07-09SMoffatNF
no factor from 2^67 to 2^68
2013-08-25Preben SNF
no factor from 2^66 to 2^67
2011-10-04riccardo ubertiNF
no factor from 2^65 to 2^66
2010-08-28RichardNF
no factor from 2^64 to 2^65
2010-03-011997rj7NF
no factor from 2^63 to 2^64