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
249393517Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1734598846618213548892167.22016-10-21 23:30:11
History
DateUserTypeResult
2016-10-21Mikhail E. GolosovF
Factor: 173459884661821354889 / TF: 67-68
2015-12-14Simon WendelNF
no factor from 2^66 to 2^67
2013-11-01GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-07-24ALSNF
no factor from 2^64 to 2^65