4 560 841 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
4629034694633	13	42.1	old
5931356307209063	16	52.4	2014-08-07 10:44:21
4298520881854519746017	22	71.9	2019-02-05 10:53:53

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

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

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-17	kkmrkkblmbrbk	D77E307FA8C3D4F5	2	306865	5	3
Verified (Factored)	2018-02-23	Oliver Kruse	D77E307FA8C3D4F5	2	4322907	5	3
Verified	2019-02-06	meracayn	D77E307FA8C3D4F5	3	4428831	5	3

History

Date	User	Type	Result
2023-04-04	USAFSS	NF-PM1	B1=240000, B2=124122570
2019-02-06	meracayn	C-PRP	M4560841/4629034694633/5931356307209063/4298520881854519746017 : D77E307FA8C3D4F5 PRP: Verified PRP without proof (not generated)
2019-02-05	ATH	F-ECM	Factor: 4298520881854519746017 / (ECM curve 2, B1=50000, B2=5000000, Sigma=3994230870011108)
2018-02-23	Oliver Kruse	C-PRP	M4560841/4629034694633/5931356307209063 : D77E307FA8C3D4F5 PRP: Verified PRP without proof (not generated)
2017-11-17	kkmrkkblmbrbk	C-PRP	M4560841/4629034694633/5931356307209063 : D77E307FA8C3D4F5 PRP: Verified PRP without proof (not generated)
2014-08-07	TJAOI	F	Factor: 5931356307209063