2 956 013 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
4924930196842266631	19	62.1	2009-04-05 02:20:16

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	Shift
Verified (Factored)		John Hocking	F5FC237DDD19DFC7	0
Verified (Factored)	1999-05-23	Matthew Beck	F5FC237DDD19DFC7	524969

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-26	Oliver Kruse	7B89B77AEAD6ACA1	1	348545	5	3
Verified	2017-12-09	kkmrkkblmbrbk	7B89B77AEAD6ACA1	1	54524	5	3

History

Date	User	Type	Result
2023-02-15	USAFSS	NF-PM1	B1=360000, B2=282695490
2017-12-09	kkmrkkblmbrbk	C-PRP	M2956013/4924930196842266631 : 7B89B77AEAD6ACA1 PRP: Verified PRP without proof (not generated)
2017-10-26	Oliver Kruse	C-PRP	M2956013/4924930196842266631 : 7B89B77AEAD6ACA1 PRP: Verified PRP without proof (not generated)
2009-04-05	James Heinrich	F-ECM	Factor: 4924930196842266631
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61