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
801224261Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21691483763309283706632270.92020-01-21 19:49:46
History
DateUserTypeResult
2020-01-21ConductorF
Factor: 2169148376330928370663 / TF: 70-71
2011-06-20James HeinrichNF
no factor from 2^64 to 2^70