8 321 627 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
374223566191	12	38.4	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-10	Oliver Kruse	5A90729C3BB4EAC7	1	2848591	5	3
Verified	PRP without proof (not generated)	2020-04-22	GAN	5A90729C3BB4EAC7	1	6006353	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1390000, B2=2978771250
2020-04-22	GAN	C-PRP	M8321627/374223566191 : 5A90729C3BB4EAC7
2018-10-10	Oliver Kruse	C-PRP	M8321627/374223566191 : 5A90729C3BB4EAC7

Username
Password