2 159 501 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
6600116836379713	16	52.6	old
45888562632929715475965313	26	85.2	2022-05-26 11:06:56

ECM

Digits	B1	Curves
25	50000	78 / 280

Estimated T-Level: 21.4 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-09	Oliver Kruse	F923B86C9D405930	1	0	1	3
Verified (Factored)	2017-11-18	kkmrkkblmbrbk	F923B86C9D405930	1	2122269	1	3
Verified	2022-06-01	XZT	148694E54B33E8D1	2	336560	5	3

History

Date	User	Type	Result
2022-06-01	billthepetperson	CERT	PRP Certification Proof certified good
2022-06-01	XZT	C-PRP	M2159501/6600116836379713/45888562632929715475965313 : 148694E54B33E8D1 PRP proof power = 7 PRP: Verified Proof certified good
2022-05-26	debrouxl	F-ECM	Factor: 45888562632929715475965313 / (ECM curve 3, B1=50000, B2=6900000, Sigma=7552382276654157)
2017-11-18	kkmrkkblmbrbk	C-PRP	M2159501/6600116836379713 : F923B86C9D405930 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-09	Oliver Kruse	C-PRP	M2159501/6600116836379713 : F923B86C9D405930 PRP: Verified (Factored) PRP without proof (not generated)
2016-04-01	alpertron	NF-PM1	B1=500000, B2=15000000, E=12