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

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MnStatusDetails
249603427Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4504287097650205960392168.62018-05-29 14:22:05
History
DateUserTypeResult
2025-03-14James HeinrichF
Factor: 450428709765020596039 / TF: 68-70
2018-05-29Stanislav_KhokhrinF
Factor: 450428709765020596039 / TF: 68-69
2016-12-22ANONYMOUSNF
no factor from 2^67 to 2^68
2015-12-14Math_is_pureNF
no factor from 2^66 to 2^67
2013-11-01HardyP GermanyNF
no factor from 2^65 to 2^66
2011-07-24Mr-PlonkNF
no factor from 2^64 to 2^65