8 328 659 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
34435950212766617	17	54.9	old
126654795986580593	18	56.8	2015-05-01 11:52:37

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-15	Oliver Kruse	D9E6F0AA22CDF03C	2	4705534	5	3
Verified	PRP without proof (not generated)	2020-04-21	marssystems	D9E6F0AA22CDF03C	2	6102136	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1390000, B2=2852014620
2020-04-21	marssystems	C-PRP	M8328659/34435950212766617/126654795986580593 : D9E6F0AA22CDF03C
2018-10-15	Oliver Kruse	C-PRP	M8328659/34435950212766617/126654795986580593 : D9E6F0AA22CDF03C
2015-05-01	TJAOI	F	Factor: 126654795986580593
1998-09-06	Mark D	F	Factor: 34435950212766617