298 014 421 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
283199259222120768119	21	67.9	2016-12-01 21:56:13

History

Date	User	Type	Result
2016-12-01	demfloro	F	Factor: 283199259222120768119 / TF: 67-68
2016-02-07	Napthus	NF	no factor from 2^66 to 2^67
2013-12-31	Gordon Spence	NF	no factor from 2^65 to 2^66
2011-10-08	abc	NF	no factor from 2^64 to 2^65
2010-05-23	Architects Cubed	NF	no factor from 2^63 to 2^64

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