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
222721129Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
17941961012347792572972270.62015-10-31 23:55:45
History
DateUserTypeResult
2015-10-31demfloroF
Factor: 1794196101234779257297 / TF: 70-71
2015-10-31demfloroNF
no factor from 2^69 to 2^70
2015-10-31demfloroNF
no factor from 2^68 to 2^69
2015-10-31demfloroNF
no factor from 2^66 to 2^68
2013-08-28subgeniusNF
no factor from 2^65 to 2^66
2011-06-08Lukin DmitryNF
no factor from 2^64 to 2^65
2010-05-20Architects CubedNF
no factor from 2^63 to 2^64