997 057 811 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
4149338291380725172879	22	71.8	2016-10-27 16:49:52

History

Date	User	Type	Result
2016-10-27	Conductor	F	Factor: 4149338291380725172879 / TF: 71-72
2012-05-10	lindee	NF	no factor from 2^69 to 2^71
2011-05-31	lindee	NF	no factor from 2^66 to 2^69
2011-01-15	lindee	NF	no factor from 2^65 to 2^66
2010-08-12	linded	NF	no factor from 2^64 to 2^65

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