Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
627113659Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1948971911552223200472167.42016-10-13 19:05:04
History
DateUserTypeResult
2016-10-13NipalF
Factor: 194897191155222320047 / TF: 67-70
2014-05-08sasakiNF
no factor from 2^65 to 2^67
2012-01-18oodairaNF
no factor from 2^64 to 2^65
2010-08-03Architects CubedNF
no factor from 2^63 to 2^64