970 685 371 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
439340762388304645391	21	68.6	2016-09-21 20:55:25

History

Date	User	Type	Result
2016-09-21	Sergey Komolov	F	Factor: 439340762388304645391 / TF: 68-69
2016-05-10	monst	NF	no factor from 2^67 to 2^68
2015-02-08	Gordon Spence	NF	no factor from 2^66 to 2^67
2012-07-15	linded	NF	no factor from 2^65 to 2^66
2011-01-08	linded	NF	no factor from 2^64 to 2^65

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