2 005 579 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
366238781191	12	38.4	old
1140063536724953	16	50.0	2014-05-19 13:26:20
18000011123049473888633	23	73.9	2022-08-10 08:32:39
36149634703856027335062847	26	84.9	2016-01-15 12:22:13

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	165 / 640

Estimated T-Level: 26.3 ⓘ

TF below 2^82 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	alpertron	ECCC3550424654A7	3	0	1	3
Verified (Factored)	2017-10-20	Oliver Kruse	ECCC3550424654A7	3	1758180	1	3
Verified	2022-08-11	Cong Shengzhuo	467AA416D144129F	4	1575147	5	3

P-1 factors

Date	Factor	B1	B2
2016-01-15	36149634703856027335062847	500000	15000000

History

Date	User	Type	Result
2022-08-11	ANONIMO	CERT	PRP Certification Proof certified good
2022-08-11	Cong Shengzhuo	C-PRP	M2005579/366238781191/1140063536724953/18000011123049473888633/36149634703856027335062847 : 467AA416D144129F PRP proof power = 7 PRP: Verified Proof certified good
2022-08-10	_p95holder_	F-ECM	Factor: 18000011123049473888633 / (ECM curve 3, B1=50000, B2=5000000)
2017-10-20	Oliver Kruse	C-PRP	M2005579/366238781191/1140063536724953/36149634703856027335062847 : ECCC3550424654A7 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M2005579/1140063536724953/36149634703856027335062847/366238781191 : ECCC3550424654A7 PRP: Verified (Factored) PRP without proof (not generated)
2016-01-15	alpertron	F-PM1	Factor: 36149634703856027335062847 / (P-1, B1=500000, B2=15000000, E=12)
2014-05-19	TJAOI	F	Factor: 1140063536724953