919 331 521 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
77039189067736756639	20	66.1	2015-10-08 20:33:15

History

Date	User	Type	Result
2015-10-08	Conductor	F	Factor: 77039189067736756639 / TF: 66-67
2013-05-01	america64	NF	no factor from 2^65 to 2^66
2011-09-11	linded	NF	no factor from 2^64 to 2^65
2010-06-18	linded	NF	no factor from 2^63 to 2^64

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