4 580 791 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
48285564570723435023	20	65.4	2010-02-07 20:48:25

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^61 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Sturle Sunde	75CDF7F054E2B1AC	0
Verified (Factored)	1998-03-17	Dexter Senft	75CDF7F054E2B1AC	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	9711179CEC9DFDB0	1	0	1	3
Verified	2018-02-24	Oliver Kruse	9711179CEC9DFDB0	1	403439	1	3

History

Date	User	Type	Result
2023-02-13	USAFSS	NF-PM1	B1=280000, B2=140425950
2018-02-24	Oliver Kruse	C-PRP	M4580791/48285564570723435023 : 9711179CEC9DFDB0 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4580791/48285564570723435023 : 9711179CEC9DFDB0 PRP: Verified PRP without proof (not generated)
2010-02-07	Aca Arsov	F-ECM	Factor: 48285564570723435023