8 402 311 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
95929520779441	14	46.4	old
750223983771513263	18	59.4	2015-11-17 12:18:04

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-23	storm5510	7209F958957D9DC3	2	7688758	5	3
Verified	PRP without proof (not generated)	2020-05-19	Luigi Morelli	7209F958957D9DC3	2	2771597	5	3

History

Date	User	Type	Result
2024-05-12	Stef42	NF-PM1	B1=1025000, B2=2213224650
2020-05-19	Luigi Morelli	C-PRP	M8402311/95929520779441/750223983771513263 : 7209F958957D9DC3
2018-10-23	storm5510	C-PRP	M8402311/95929520779441/750223983771513263 : 7209F958957D9DC3
2015-11-17	TJAOI	F	Factor: 750223983771513263