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
911120801Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7215169654427651272572169.32017-06-20 11:56:07
History
DateUserTypeResult
2017-06-20ConductorF
Factor: 721516965442765127257 / TF: 69-70
2017-04-22Mark RoseNF
no factor from 2^68 to 2^69
2016-05-12ConductorNF
no factor from 2^67 to 2^68
2015-11-22ConductorNF
no factor from 2^66 to 2^67
2013-05-02ramgeisNF
no factor from 2^65 to 2^66
2011-11-03lindedNF
no factor from 2^64 to 2^65
2010-06-30lindedNF
no factor from 2^63 to 2^64