1 004 987 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
8039897	7	22.9	old
573753447127736089	18	59.0	2012-04-06 21:58:51
137112377356271468910651138343	30	96.8	2018-02-09 12:21:59

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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-28	Oliver Kruse	633977F780A0D000	2	0	1	3
Verified (Factored)	2017-10-15	Oliver Kruse	633977F780A0D000	2	845451	1	3
Verified (Factored)	2017-12-25	ATH	633977F780A0D000	2	53491	1	3
Verified	2018-02-12	AdolfNor	D8C815AB66851EFE	3	829022	5	3
Verified	2018-02-12	Oliver Kruse	D8C815AB66851EFE	3	727793	5	3

History

Date	User	Type	Result
2021-06-18	ViliamF	NF-PM1	B1=10000000, B2=1110000000
2018-02-12	Oliver Kruse	C-PRP	M1004987/8039897/573753447127736089/137112377356271468910651138343 : D8C815AB66851EFE PRP: Verified PRP without proof (not generated)
2018-02-12	AdolfNor	C-PRP	M1004987/8039897/573753447127736089/137112377356271468910651138343 : D8C815AB66851EFE PRP: Verified PRP without proof (not generated)
2018-02-09	TJAOI	F-ECM	Factor: 137112377356271468910651138343 / (ECM curve 5, B1=50000, B2=5000000)
2017-12-25	ATH	C-PRP	M1004987/8039897/573753447127736089 : 633977F780A0D000 PRP: Verified PRP without proof (not generated)
2017-10-15	Oliver Kruse	C-PRP	M1004987/8039897/573753447127736089 : 633977F780A0D000 PRP: Verified PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M1004987/8039897/573753447127736089 : 633977F780A0D000 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12
2012-04-06	James Heinrich	F-ECM	Factor: 573753447127736089