8 328 091 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
18721548569	11	34.1	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-14	Oliver Kruse	B31A1BA5F90236EA	1	7270119	5	3
Verified	PRP without proof (not generated)	2020-04-20	Igvan28	B31A1BA5F90236EA	1	6276214	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1375000, B2=2788626750
2020-04-20	Igvan28	C-PRP	M8328091/18721548569 : B31A1BA5F90236EA
2018-10-14	Oliver Kruse	C-PRP	M8328091/18721548569 : B31A1BA5F90236EA

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