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
619991929Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3128569176916048341592168.12016-09-24 14:46:17
History
DateUserTypeResult
2016-09-24NipalF
Factor: 312856917691604834159 / TF: 67-70
2014-03-16sasakiNF
no factor from 2^65 to 2^67