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

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MnStatusDetails
115974779Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
173434588689446071492142232683.82022-07-25 11:45:23
P-1 factors
DateFactorB1B2
2022-07-2517343458868944607149214223512000512000
History
DateUserTypeResult
2022-07-25Denis PorvaF-PM1
Factor: 17343458868944607149214223 / (P-1, B1=512000)
2022-01-03LordJuliusNF
no factor from 2^76 to 2^77
2021-01-04KrieselNF
no factor from 2^75 to 2^76
2020-11-29Andrew BNF
no factor from 2^74 to 2^75
2020-08-08tscNF
no factor from 2^73 to 2^74
2020-04-25SRBaseNF
no factor from 2^72 to 2^73
2015-06-11SMoffatNF
no factor from 2^71 to 2^72
2015-05-10SMoffatNF
no factor from 2^70 to 2^71
2015-04-05SMoffatNF
no factor from 2^69 to 2^70
2015-03-22SMoffatNF
no factor from 2^68 to 2^69
2015-03-17bunddogNF
no factor from 2^67 to 2^68
2014-12-11RichardNF
no factor from 2^66 to 2^67
2012-06-28RichardNF
no factor from 2^65 to 2^66
2010-10-07Mr-PlonkNF
no factor from 2^64 to 2^65
2010-05-09G-ManNF
no factor from 2^63 to 2^64