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
619548169Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
9897892256096861935192169.72016-09-27 15:56:45
History
DateUserTypeResult
2016-09-27NipalF
Factor: 989789225609686193519 / TF: 67-70
2014-03-15sasakiNF
no factor from 2^65 to 2^67