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
627497699Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1639278894777227241432167.22016-10-18 17:24:49
History
DateUserTypeResult
2016-10-18NipalF
Factor: 163927889477722724143 / TF: 67-70
2014-04-19sasakiNF
no factor from 2^65 to 2^67