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
191220443Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
23998528981932307070332271.02015-08-31 03:55:22
History
DateUserTypeResult
2015-08-31demfloroF
Factor: 2399852898193230707033 / TF: 71-72
2015-08-31demfloroNF
no factor from 2^70 to 2^71
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
2013-06-08tscNF
no factor from 2^65 to 2^66
2011-04-15RichardNF
no factor from 2^64 to 2^65
2010-08-03sasaki3NF
no factor from 2^63 to 2^64