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
801601223Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16889289508653003453372270.52020-01-31 16:37:47
History
DateUserTypeResult
2020-01-31ConductorF
Factor: 1688928950865300345337 / TF: 70-71
2012-06-16James HeinrichNF
no factor from 2^69 to 2^70
2012-04-12James HeinrichNF
no factor from 2^65 to 2^69
2012-01-25c10ck3rNF
no factor from 2^64 to 2^65