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
191714249Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
28960473167390637179212271.32015-09-01 19:55:13
History
DateUserTypeResult
2015-09-01demfloroF
Factor: 2896047316739063717921 / TF: 71-72
2015-09-01demfloroNF
no factor from 2^70 to 2^71
2015-09-01demfloroNF
no factor from 2^69 to 2^70
2015-09-01demfloroNF
no factor from 2^68 to 2^69
2015-09-01demfloroNF
no factor from 2^66 to 2^68
2013-06-20GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-04-14vapaddyNF
no factor from 2^64 to 2^65
2010-08-04kiwiboyNF
no factor from 2^63 to 2^64