8 321 359 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
83213591	8	26.3	old
4327106681	10	32.0	2008-09-08 04:30:16

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-11-08	rucio	1212DEBBA6ECFFEB	2	4247033	5	3
Verified	PRP without proof (not generated)	2020-04-19	marssystems	1212DEBBA6ECFFEB	2	1054606	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1375000, B2=2725257990
2020-04-19	marssystems	C-PRP	M8321359/83213591/4327106681 : 1212DEBBA6ECFFEB
2018-11-08	rucio	C-PRP	M8321359/83213591/4327106681 : 1212DEBBA6ECFFEB
2008-09-08	Will Edgington	F	Factor: 4327106681

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