666 541 087 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
473067827656777511479	21	68.7	2018-03-05 20:48:24

History

Date	User	Type	Result
2018-03-05	Conductor	F	Factor: 473067827656777511479 / TF: 68-69
2017-02-14	sasaki	NF	no factor from 2^67 to 2^68
2014-05-04	sasaki	NF	no factor from 2^66 to 2^67
2010-03-05	Architects Cubed	NF	no factor from 2^65 to 2^66
2010-03-05	Architects Cubed	NF	no factor from 2^64 to 2^65

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