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
975051391Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2085119299764468937932167.52015-12-28 06:41:28
History
DateUserTypeResult
2015-12-28ConductorF
Factor: 208511929976446893793 / TF: 67-68
2015-02-19Gordon SpenceNF
no factor from 2^66 to 2^67
2012-05-24lindedNF
no factor from 2^65 to 2^66
2010-12-03Ethan O'ConnorNF
no factor from 2^64 to 2^65
2010-05-31lindeeNF
no factor from 2^63 to 2^64