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
619687249Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4751782427156830374492168.72016-10-01 18:13:30
History
DateUserTypeResult
2016-10-01NipalF
Factor: 475178242715683037449 / TF: 67-70
2014-03-16sasakiNF
no factor from 2^65 to 2^67