4 498 759 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
5275344034006131048553	22	72.2	2010-01-22 12:48:10

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)		Doug Nickel	0803364C40A60012	0
Verified (Factored)	2000-01-12	Mark Nieman	0803364C40A60012	2457976

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	0E5E90B1CFE0EBA8	1	0	1	3
Verified	2018-02-17	ATH	0E5E90B1CFE0EBA8	1	1389306	1	3

History

Date	User	Type	Result
2023-03-15	USAFSS	NF-PM1	B1=224000, B2=127224240
2018-02-17	ATH	C-PRP	M4498759/5275344034006131048553 : 0E5E90B1CFE0EBA8 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4498759/5275344034006131048553 : 0E5E90B1CFE0EBA8 PRP: Verified PRP without proof (not generated)
2010-01-22	Aca Arsov	F-ECM	Factor: 5275344034006131048553
2009-08-10	Carsten Kossendey	NF-PM1	B1=25000, B2=362500