4 482 389 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
26177151761	11	34.6	old
16437234230231	14	43.9	2008-09-30 21:35:24

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	2017-09-20	kkmrkkblmbrbk	EC5E9DBDBAB30F54	2	0	1	3
Verified	2018-02-16	Oliver Kruse	EC5E9DBDBAB30F54	2	1482674	1	3

History

Date	User	Type	Result
2023-07-23	USAFSS	NF-PM1	B1=336000, B2=158258100
2019-01-26	Conductor	F-ECM	Factor: 26177151761 / (ECM curve 2, B1=50000, B2=5000000)
2018-02-16	Oliver Kruse	C-PRP	M4482389/26177151761/16437234230231 : EC5E9DBDBAB30F54 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4482389/16437234230231/26177151761 : EC5E9DBDBAB30F54 PRP: Verified PRP without proof (not generated)
2008-09-30	markr	F	Factor: 16437234230231