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
647872429Factored
FactorDigitsBitsDate
8138001435853498270092169.52016-09-10 19:57:37
History
DateUserTypeResult
2016-09-10NipalF
Factor: 813800143585349827009 / TF: 67-70
2014-06-15sasakiNF
no factor from 2^66 to 2^67
2014-03-19america64NF
no factor from 2^65 to 2^66