1 004 449 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
6345149350738803559	19	62.5	2007-09-17 22:44:30

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	16B	0
Verified (Factored)		MV2	6846746D0C97A16B	0
Verified (Factored)	2001-01-21	Brian J. Beesley	6846746D0C97A16B	990824

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	Oliver Kruse	A745B583E407C386	1	0	1	3
Verified	2017-10-15	Oliver Kruse	A745B583E407C386	1	617145	1	3
Verified	2017-12-25	ATH	A745B583E407C386	1	915558	1	3

History

Date	User	Type	Result
2021-06-21	ViliamF	NF-PM1	B1=10000000, B2=1110000000
2017-12-25	ATH	C-PRP	M1004449/6345149350738803559 : A745B583E407C386 PRP: Verified PRP without proof (not generated)
2017-10-15	Oliver Kruse	C-PRP	M1004449/6345149350738803559 : A745B583E407C386 PRP: Verified PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M1004449/6345149350738803559 : A745B583E407C386 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12
2007-09-17	Chad Davis	F-ECM	Factor: 6345149350738803559