256 374 803 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
67941141186103486919	20	65.9	2013-11-15 12:17:45

History

Date	User	Type	Result
2013-11-15	Nick	F	Factor: 67941141186103486919
2011-08-04	imps	NF	no factor from 2^64 to 2^65
2010-03-08	Architects Cubed	NF	no factor from 2^63 to 2^64
2010-03-08	Architects Cubed	NF	no factor from 2^62 to 2^63

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