685 381 757 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
472047709379743382057	21	68.7	2018-06-23 19:54:10

History

Date	User	Type	Result
2018-06-23	Conductor	F	Factor: 472047709379743382057 / TF: 68-69
2016-12-10	NoPolarBearsHere	NF	no factor from 2^67 to 2^68
2014-08-04	sasaki	NF	no factor from 2^66 to 2^67
2014-02-04	sasaki	NF	no factor from 2^65 to 2^66
2012-02-01	McSix	NF	no factor from 2^64 to 2^65
2010-07-14	Architects Cubed	NF	no factor from 2^63 to 2^64

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