2 165 063 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
4330127	7	22.0	old
333198799666905855031	21	68.2	2022-03-27 21:54:01
18018522107868159862887433	26	83.9	2024-12-23 08:38:57

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	163 / 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)	2017-10-09	Oliver Kruse	E4FFEC8655C7EB93	1	0	1	3
Verified (Factored)	2017-11-19	kkmrkkblmbrbk	E4FFEC8655C7EB93	1	980074	1	3
Verified (Factored)	2022-03-29	_p95holder_	482A412DA41D3985	2	525267	5	3
Verified (Factored)	2022-04-05	Andrew B	482A412DA41D3985	2	364043	5	3
Verified	2024-12-28	PrimeNR	482A412DA41D3985	3	1134991	5	3

History

Date	User	Type	Result
2024-12-28	ANONYMOUS	CERT	PRP Certification Proof certified good
2024-12-28	PrimeNR	C-PRP	M2165063/4330127/333198799666905855031/18018522107868159862887433 : 482A412DA41D3985 PRP proof power = 7 PRP: Verified Proof certified good
2024-12-23	TJAOI	F-ECM	Factor: 18018522107868159862887433 / (ECM curve 50, B1=250000, B2=251325195, Edwards Sigma=116148284121233)
2022-04-05	M67	CERT	PRP Certification Proof certified good
2022-04-05	Andrew B	C-PRP	M2165063/4330127/333198799666905855031 : 482A412DA41D3985 PRP proof power = 7 PRP: Verified (Factored) Proof certified good
2022-03-29	_p95holder_	C-PRP	M2165063/4330127/333198799666905855031 : 482A412DA41D3985 PRP: Verified (Factored) PRP without proof (not generated)
2022-03-27	_p95holder_	F-ECM	Factor: 333198799666905855031 / (ECM curve 7, B1=50000, B2=5000000)
2017-11-19	kkmrkkblmbrbk	C-PRP	M2165063/4330127 : E4FFEC8655C7EB93 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-09	Oliver Kruse	C-PRP	M2165063/4330127 : E4FFEC8655C7EB93 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-29	alpertron	NF-PM1	B1=500000, B2=15000000, E=12