2 404 229 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
499786316063	12	38.9	old
126967602763649	15	46.9	2008-09-07 10:05:44
3276160809718734047441	22	71.5	2018-02-18 00:32:38

ECM

Digits	B1	Curves
25	50000	73 / 280

Estimated T-Level: 21.3 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-12	Oliver Kruse	732014048E1E6ECC	2	1391972	5	3
Verified (Factored)	2017-11-26	kkmrkkblmbrbk	732014048E1E6ECC	2	37168	5	3
Verified	2018-02-20	Oliver Kruse	732014048E1E6ECC	3	1832715	5	3

History

Date	User	Type	Result
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2018-02-20	Oliver Kruse	C-PRP	M2404229/499786316063/126967602763649/3276160809718734047441 : 732014048E1E6ECC PRP: Verified PRP without proof (not generated)
2018-02-18	ATH	F-ECM	Factor: 3276160809718734047441 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-26	kkmrkkblmbrbk	C-PRP	M2404229/499786316063/126967602763649 : 732014048E1E6ECC PRP: Verified PRP without proof (not generated)
2017-10-12	Oliver Kruse	C-PRP	M2404229/499786316063/126967602763649 : 732014048E1E6ECC PRP: Verified PRP without proof (not generated)
2008-09-07	Will Edgington	F	Factor: 126967602763649