689 381 573 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁶⁸

TF target 2⁸⁴

Factored

Factor	Digits	Bits	Date
209173225421098151	18	57.5	2014-11-14 15:17:54

History

Date	User	Type	Result
2014-11-14	TJAOI	F	Factor: 209173225421098151
2014-08-16	sasaki	NF	no factor TF: 66-67
2014-02-23	america64	NF	no factor TF: 65-66
2012-02-04	Mr-Plonk	NF	no factor TF: 64-65
2010-03-07	markr	NF	no factor TF: 63-64
2010-03-01	markr	NF	no factor TF: 62-63

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