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
907443973Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4434948166838255152332168.62017-05-02 13:14:38
History
DateUserTypeResult
2017-05-02ConductorF
Factor: 443494816683825515233 / TF: 68-69
2016-06-29ConductorNF
no factor from 2^67 to 2^68
2016-05-24BloodIceNF
no factor from 2^1 to 2^64
2013-04-29ramgeisNF
no factor from 2^65 to 2^67
2013-04-28america64NF
no factor from 2^65 to 2^66
2011-11-21lindedNF
no factor from 2^64 to 2^65
2010-07-06lindedNF
no factor from 2^63 to 2^64