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

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MnStatusDetails
101269447Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
45102515804507850630787652232891.92020-11-25 08:13:50
P-1 factors
DateFactorB1B2
2020-11-2545102515804507850630787652237450000
History
DateUserTypeResult
2020-11-25tottenhoffF-PM1
Factor: 4510251580450785063078765223 / (P-1, B1=745000)
2020-09-30LOBESNF
no factor from 2^75 to 2^76
2020-09-30George WoltmanNF
no factor from 2^74 to 2^75
2020-03-29SRBaseNF
no factor from 2^73 to 2^74
2020-03-21el groccoNF
no factor from 2^72 to 2^73
2015-02-05SMoffatNF
no factor from 2^71 to 2^72
2014-04-29SMoffatNF
no factor from 2^70 to 2^71
2014-03-29hkskypNF
no factor from 2^69 to 2^70
2014-03-24SMoffatNF
no factor from 2^68 to 2^69
2013-10-28g0bNF
no factor from 2^67 to 2^68
2013-08-26SMoffatNF
no factor from 2^66 to 2^67
2012-04-14tscNF
no factor from 2^65 to 2^66
2010-08-12sasaki3NF
no factor from 2^64 to 2^65
2010-02-221997rj7NF
no factor from 2^63 to 2^64