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
271619507Factored
FactorDigitsBitsDate
1921028131955134046232167.42016-10-25 21:14:36
History
DateUserTypeResult
2016-10-25Mikhail E. GolosovF
Factor: 192102813195513404623 / TF: 67-68
2016-01-05vwflat4NF
no factor from 2^66 to 2^67
2013-11-30GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-08-30Jud McCranieNF
no factor from 2^64 to 2^65
2010-03-28EPFNF
no factor from 2^63 to 2^64
2010-03-28EPFNF
no factor from 2^62 to 2^63