8 327 411 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
205853599921	12	37.6	old
253752564341285297	18	57.8	2015-07-20 10:17:11

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-16	Oliver Kruse	B00E40D5E83957B6	2	7107544	5	3
Verified	PRP without proof (not generated)	2020-04-20	Igvan28	B00E40D5E83957B6	2	2911268	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1390000, B2=2978771250
2020-04-20	Igvan28	C-PRP	M8327411/205853599921/253752564341285297 : B00E40D5E83957B6
2018-10-16	Oliver Kruse	C-PRP	M8327411/205853599921/253752564341285297 : B00E40D5E83957B6
2015-07-20	TJAOI	F	Factor: 253752564341285297