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

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MnStatusDetails
247281563Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2711668932386297676472167.92016-10-17 23:39:18
History
DateUserTypeResult
2016-10-17Mikhail E. GolosovF
Factor: 271166893238629767647 / TF: 67-68
2015-12-12Math_is_pureNF
no factor from 2^66 to 2^67
2013-10-29sasaki3NF
no factor from 2^65 to 2^66
2011-07-21oodairaNF
no factor from 2^64 to 2^65