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
224472217Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
31959524497257838889832271.42015-11-06 14:55:13
History
DateUserTypeResult
2015-11-06demfloroF
Factor: 3195952449725783888983 / TF: 71-72
2015-11-06demfloroNF
no factor from 2^70 to 2^71
2015-11-06demfloroNF
no factor from 2^69 to 2^70
2015-11-06demfloroNF
no factor from 2^66 to 2^69
2013-10-29RMAC9.5NF
no factor from 2^65 to 2^66
2011-06-13sasaki3NF
no factor from 2^64 to 2^65