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

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MnStatusDetails
274470731Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1562630756957053944312167.12016-10-31 11:28:37
History
DateUserTypeResult
2016-10-31Mikhail E. GolosovF
Factor: 156263075695705394431 / TF: 67-68
2016-01-09barrakoudaNF
no factor from 2^66 to 2^67
2013-12-09GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-09-04tscNF
no factor from 2^64 to 2^65
2010-04-02RichardNF
no factor from 2^63 to 2^64
2010-04-02RichardNF
no factor from 2^62 to 2^63