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
606998927Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19763004391649154561192270.72018-06-02 08:46:55
History
DateUserTypeResult
2025-03-17James HeinrichF
Factor: 1976300439164915456119 / TF: 70-71
2018-06-02Alex_soldierF
Factor: 1976300439164915456119 / TF: 70-71*
2016-09-27sasakiNF
no factor from 2^67 to 2^70
2013-01-10AxelssonNF
no factor from 2^65 to 2^67