3 390 061 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
371469324137	12	38.4	old
1534497551407	13	40.5	2008-09-30 14:47:35
182709547765573625437793	24	77.3	2018-10-22 19:34:13

ECM

Digits	B1	Curves
25	50000	4 / 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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-05	Oliver Kruse	DA840C558448BF67	2	2511869	5	3
Verified (Factored)	2017-12-15	kkmrkkblmbrbk	DA840C558448BF67	2	2646230	5	3
Verified	2018-10-23	trebor	DA840C558448BF67	3	478697	5	3

History

Date	User	Type	Result
2022-01-07	Joss	NF-PM1	B1=1050000, B2=111642300
2021-08-06	Joss	NF	no factor from 2^67 to 2^68
2021-01-20	Joss	NF-PM1	B1=339006, B2=3390061, E=6
2018-10-23	trebor	C-PRP	M3390061/371469324137/1534497551407/182709547765573625437793 : DA840C558448BF67 PRP: Verified PRP without proof (not generated)
2018-10-22	ATH	F-ECM	Factor: 182709547765573625437793 / (ECM curve 1, B1=50000, B2=5000000)
2017-12-15	kkmrkkblmbrbk	C-PRP	M3390061/371469324137/1534497551407 : DA840C558448BF67 PRP: Verified PRP without proof (not generated)
2017-11-05	Oliver Kruse	C-PRP	M3390061/371469324137/1534497551407 : DA840C558448BF67 PRP: Verified PRP without proof (not generated)
2008-09-30	markr	F	Factor: 1534497551407