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
680520497Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3384212091358359154092168.22017-11-19 11:00:18
History
DateUserTypeResult
2017-11-19NipalF
Factor: 338421209135835915409 / TF: 68-70
2016-10-16sasakiNF
no factor from 2^67 to 2^68
2014-07-21sasakiNF
no factor from 2^66 to 2^67
2014-01-15sasakiNF
no factor from 2^65 to 2^66
2012-01-29HardyP GermanyNF
no factor from 2^64 to 2^65
2010-07-01Architects CubedNF
no factor from 2^63 to 2^64