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
696213277Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5200821526796413972332168.82017-07-31 12:01:14
History
DateUserTypeResult
2022-07-30LordJuliusNF
no factor from 2^1 to 2^63
2017-07-31ConductorF
Factor: 520082152679641397233 / TF: 68-70
2014-09-19sasakiNF
no factor from 2^66 to 2^68
2013-11-26sasakiNF
no factor from 2^65 to 2^66
2011-12-11america64NF
no factor from 2^64 to 2^65
2010-07-17Architects CubedNF
no factor from 2^63 to 2^64