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
248508349Factored
FactorDigitsBitsDate
1521850212691575616492167.02016-10-20 07:13:50
History
DateUserTypeResult
2016-10-20Mikhail E. GolosovF
Factor: 152185021269157561649 / TF: 67-68
2015-12-14nikoszNF
no factor from 2^66 to 2^67
2013-11-05Yan Ruimin ChinaNF
no factor from 2^65 to 2^66
2011-07-23James HeinrichNF
no factor from 2^64 to 2^65