8 328 679 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
333147161	9	28.3	old
7146006583	10	32.7	2008-09-08 04:30:31

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-12	trebor	1B8FE2FE66E9F663	2	331154	5	3
Verified	PRP without proof (not generated)	2020-04-20	ATH	1B8FE2FE66E9F663	2	6261070	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1390000, B2=2978771250
2020-04-20	ATH	C-PRP	M8328679/333147161/7146006583 : 1B8FE2FE66E9F663
2018-10-12	trebor	C-PRP	M8328679/333147161/7146006583 : 1B8FE2FE66E9F663
2008-09-08	Will Edgington	F	Factor: 7146006583

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