8 333 069 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 4 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
649979383	9	29.3	old
556649009201	12	39.0	2008-09-08 04:30:34
44665449833657	14	45.3	2008-09-08 04:30:34
4876536511355137	16	52.1	2014-07-29 11:21:11

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-16	Oliver Kruse	9937625F738747EE	4	2729844	5	3
Verified	PRP without proof (not generated)	2020-04-27	FreeTibet	9937625F738747EE	4	1256071	5	3

History

Date	User	Type	Result
2024-03-06	Stef42	NF-PM1	B1=3000000, B2=5896827300
2020-04-27	FreeTibet	C-PRP	M8333069/649979383/556649009201/44665449833657/4876536511355137 : 9937625F738747EE
2018-10-16	Oliver Kruse	C-PRP	M8333069/649979383/556649009201/44665449833657/4876536511355137 : 9937625F738747EE
2014-07-29	TJAOI	F	Factor: 4876536511355137
2008-09-08	Will Edgington	F	Factor: 44665449833657
2008-09-08	Will Edgington	F	Factor: 556649009201