977 220 593 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 2 known prime factors

Factored

Factor	Digits	Bits	Date
26283151124062447	17	54.5	2008-06-11 00:27:07
1978980078497646073	19	60.8	2015-12-23 16:13:10

History

Date	User	Type	Result
2015-12-23	Conductor	F	Factor: 1978980078497646073 / TF: 1-62

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