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
680979107Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8401745970848673965512169.52017-11-16 18:17:01
History
DateUserTypeResult
2017-11-16NipalF
Factor: 840174597084867396551 / TF: 68-70
2016-10-22sasakiNF
no factor from 2^67 to 2^68
2014-07-29sasakiNF
no factor from 2^66 to 2^67
2014-01-19sasakiNF
no factor from 2^65 to 2^66