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

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MnStatusDetails
141573743Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4221736437408390997895204392788.42024-10-01 03:42:48
P-1 factors
DateFactorB1B2
2024-10-0142217364374083909978952043982900083781180
History
DateUserTypeResult
2024-10-01Ryan PropperF-PM1
Factor: 422173643740839099789520439 / (P-1, B1=829000, B2=83781180)
2024-09-23infinigonNF
no factor from 2^76 to 2^77
2024-07-19SRBaseNF
no factor from 2^75 to 2^76
2023-01-21SRBaseNF
no factor from 2^74 to 2^75
2021-11-06SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2017-03-10EratosthenesNF
no factor from 2^71 to 2^72
2017-02-10EratosthenesNF
no factor from 2^70 to 2^71
2017-02-08JoDuNF
no factor from 2^69 to 2^70
2017-02-05JoDuNF
no factor from 2^68 to 2^69
2016-03-25dbaughNF
no factor from 2^67 to 2^68
2015-02-20Karol TNF
no factor from 2^66 to 2^67
2012-12-04AKAxAutoNF
no factor from 2^65 to 2^66
2010-12-15csabaNF
no factor from 2^64 to 2^65
2010-06-15OS1NF
no factor from 2^63 to 2^64