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
191224409Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
11974020882782976497212270.02015-08-31 22:55:12
History
DateUserTypeResult
2015-08-31demfloroF
Factor: 1197402088278297649721 / TF: 70-71
2015-08-31demfloroNF
no factor from 2^69 to 2^70
2015-08-31demfloroNF
no factor from 2^68 to 2^69
2015-08-31demfloroNF
no factor from 2^66 to 2^68
2013-06-08Mr-PlonkNF
no factor from 2^65 to 2^66
2011-04-12dslNF
no factor from 2^64 to 2^65
2010-08-03Mr-PlonkNF
no factor from 2^63 to 2^64