Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
507777343Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4976500602425303391432168.82016-12-08 07:17:29
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 497650060242530339143 / TF: 68-70
2016-12-08ConductorF
Factor: 497650060242530339143 / TF: 68-69*
2016-08-01sasakiNF
no factor from 2^67 to 2^68
2014-12-30sasakiNF
no factor from 2^66 to 2^67
2014-09-21sasakiNF
no factor from 2^65 to 2^66