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

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MnStatusDetails
271965019Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1909982736220558054632167.42016-10-26 13:18:51
History
DateUserTypeResult
2016-10-26Mikhail E. GolosovF
Factor: 190998273622055805463 / TF: 67-68
2016-01-05YxinityNF
no factor from 2^66 to 2^67
2013-11-30Mr-PlonkNF
no factor from 2^65 to 2^66
2011-09-02RichardNF
no factor from 2^64 to 2^65
2010-03-28-Anonymous-NF
no factor from 2^63 to 2^64
2010-03-28-Anonymous-NF
no factor from 2^62 to 2^63