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
801702137Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
17221736147285816991372270.52020-02-03 14:57:41
History
DateUserTypeResult
2020-02-03ConductorF
Factor: 1722173614728581699137 / TF: 70-71
2012-07-07James HeinrichNF
no factor from 2^69 to 2^70
2012-04-22James HeinrichNF
no factor from 2^68 to 2^69
2011-08-29James HeinrichNF
no factor from 2^64 to 2^68