971 859 341 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 2⁷¹

TF target 2⁸⁵

Factored

Factor	Digits	Bits	Date
209079868899854399	18	57.5	2014-11-14 15:17:45

History

Date	User	Type	Result
2025-06-30	mikr	NF	no factor TF: 68-71
2014-11-14	TJAOI	F	Factor: 209079868899854399
2012-07-02	linded	NF	no factor TF: 65-66
2010-12-30	linded	NF	no factor TF: 64-65
2010-04-12	lindee	NF	no factor TF: 63-64

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