4 264 621 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
5703486496979753301200469289	28	92.2	2011-01-02 15:56:32

ECM

Digits	B1	Curves
25	50000	6 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Richard B. Woods	A5883417F3E87FB3	0
Verified (Factored)	2000-02-16	Gord Palameta	A5883417F3E87FB3	1138812

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	7ADD088D6A703199	1	0	1	3
Verified	2018-01-27	Oliver Kruse	7ADD088D6A703199	1	1385249	1	3

History

Date	User	Type	Result
2022-09-09	USAFSS	NF-PM1	B1=280000, B2=154551540
2018-01-27	Oliver Kruse	C-PRP	M4264621/5703486496979753301200469289 : 7ADD088D6A703199 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4264621/5703486496979753301200469289 : 7ADD088D6A703199 PRP: Verified PRP without proof (not generated)
2011-01-02	Oscar Östlin	F-ECM	Factor: 5703486496979753301200469289
2008-11-26	Richard B. Woods	NF-PM1	B1=10000000
2008-11-26	Richard B. Woods	NF	no factor to 2^65
2008-11-12	Richard B. Woods	NF-PM1	B1=8000000
2008-11-12	Richard B. Woods	NF-PM1	B1=7000000
2008-11-12	Richard B. Woods	NF-PM1	B1=6000000
2008-11-12	Richard B. Woods	NF-PM1	B1=5000000