2 118 497 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
4393961916719	13	42.0	old
117853034647519	15	46.7	2008-09-30 14:36:30
276207084990062992430911	24	77.9	2019-09-29 03:33:00

ECM

Digits	B1	Curves
25	50000	136 / 280

Estimated T-Level: 22.4 ⓘ

TF below 2^70 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-07	Oliver Kruse	9D0DC2A9AAE884E6	2	0	1	3
Verified (Factored)	2017-11-17	kkmrkkblmbrbk	9D0DC2A9AAE884E6	2	572155	1	3
Verified	2019-09-29	J.de Groot	3B8B56BB79803977	3	2005916	5	3
Verified	2019-10-20	alan145	3B8B56BB79803977	3	605840	5	3

History

Date	User	Type	Result
2019-10-20	alan145	C-PRP	M2118497/4393961916719/117853034647519/276207084990062992430911 : 3B8B56BB79803977 PRP: Verified PRP without proof (not generated)
2019-09-29	J.de Groot	C-PRP	M2118497/4393961916719/117853034647519/276207084990062992430911 : 3B8B56BB79803977 PRP: Verified PRP without proof (not generated)
2019-09-29	mnd9	F-ECM	Factor: 276207084990062992430911 / (ECM curve 1, B1=50000, B2=5000000, Sigma=6249666397214352)
2017-11-17	kkmrkkblmbrbk	C-PRP	M2118497/4393961916719/117853034647519 : 9D0DC2A9AAE884E6 PRP: Verified PRP without proof (not generated)
2017-10-07	Oliver Kruse	C-PRP	M2118497/4393961916719/117853034647519 : 9D0DC2A9AAE884E6 PRP: Verified PRP without proof (not generated)
2016-03-27	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-09-30	markr	F	Factor: 117853034647519