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
772028783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
28575137504969039732892271.32020-04-11 15:32:35
History
DateUserTypeResult
2020-04-11Smok_bmv F
Factor: 2857513750496903973289 / TF: 71-72
2020-04-04srow7NF
no factor from 2^70 to 2^71
2013-10-21monstNF
no factor from 2^66 to 2^70
2013-06-03america64NF
no factor from 2^65 to 2^66
2011-07-24monstNF
no factor from 2^64 to 2^65
2010-05-15Architects CubedNF
no factor from 2^63 to 2^64