5 028 869 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
4948080108745349696513	22	72.1	2010-07-08 14:24:55

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Michael Josefsson	408076FB6350073E	0
Verified (Factored)		Richard Otter	408076FB6350073E	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-23	Oliver Kruse	4AB93396B020FEB4	1	2825770	5	3
Verified	2018-01-15	kkmrkkblmbrbk	4AB93396B020FEB4	1	3891692	5	3

History

Date	User	Type	Result
2023-04-14	Kevin_9611	NF-PM1	B1=330000, B2=178871550
2018-01-15	kkmrkkblmbrbk	C-PRP	M5028869/4948080108745349696513 : 4AB93396B020FEB4 PRP: Verified PRP without proof (not generated)
2017-11-23	Oliver Kruse	C-PRP	M5028869/4948080108745349696513 : 4AB93396B020FEB4 PRP: Verified PRP without proof (not generated)
2010-07-08	Aca Arsov	F-ECM	Factor: 4948080108745349696513
2009-07-20	USAFSS	NF-PM1	B1=55000, B2=907500, E=6