8 333 957 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
3400254457	10	31.7	old
45320058167	11	35.4	2008-09-08 04:30:34
28341091755246329	17	54.7	2014-12-07 13:03:37

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-14	Oliver Kruse	1E94AF4C74E800DB	3	4628824	5	3
Verified	PRP without proof (not generated)	2020-04-24	daveward2005	1E94AF4C74E800DB	3	2219238	5	3

History

Date	User	Type	Result
2024-03-06	Stef42	NF-PM1	B1=3000000, B2=5834760750
2020-04-24	daveward2005	C-PRP	M8333957/3400254457/45320058167/28341091755246329 : 1E94AF4C74E800DB
2018-10-14	Oliver Kruse	C-PRP	M8333957/3400254457/45320058167/28341091755246329 : 1E94AF4C74E800DB
2014-12-07	TJAOI	F	Factor: 28341091755246329
2008-09-08	Will Edgington	F	Factor: 45320058167