8 317 259 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
1064609153	10	30.0	old
27192425944337700257	20	64.6	2017-11-08 16:23:21

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-09	Oliver Kruse	E23508521ACE552B	2	7675581	5	3
Verified	PRP without proof (not generated)	2020-04-19	arnaud	E23508521ACE552B	2	606297	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1367000, B2=2598501360
2020-04-19	arnaud	C-PRP	M8317259/1064609153/27192425944337700257 : E23508521ACE552B
2018-10-09	Oliver Kruse	C-PRP	M8317259/1064609153/27192425944337700257 : E23508521ACE552B
2017-11-08	TJAOI	F	Factor: 27192425944337700257