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
781980553Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
20685847764250539154812270.82019-10-29 22:22:03
History
DateUserTypeResult
2019-10-29Alex_soldierF
Factor: 2068584776425053915481 / TF: 70-71
2014-02-26monstNF
no factor from 2^67 to 2^70
2014-02-24america64NF
no factor from 2^66 to 2^67
2014-02-22-Anonymous-NF
no factor from 2^65 to 2^66
2011-08-10monstNF
no factor from 2^64 to 2^65
2010-04-23Architects CubedNF
no factor from 2^63 to 2^64