2 164 489 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
113522291717724641	18	56.7	old
7185560553120871925009	22	72.6	2022-02-03 21:15:44

ECM

Digits	B1	Curves
25	50000	146 / 280

Estimated T-Level: 22.6 ⓘ

TF below 2^70 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	8E9A2C50046677A8	1	0	1	3
Verified (Factored)	2017-11-19	kkmrkkblmbrbk	8E9A2C50046677A8	1	228508	1	3
Verified	2022-02-05	_p95holder_	EBE6707C85A41FFC	2	1235406	5	3
Verified	2022-02-10	LaurV	EBE6707C85A41FFC	2	664330	5	3

History

Date	User	Type	Result
2022-02-10	Keith Outwater	CERT	PRP Certification Proof certified good
2022-02-10	LaurV	C-PRP	M2164489/113522291717724641/7185560553120871925009 : EBE6707C85A41FFC PRP proof power = 7 PRP: Verified Proof certified good
2022-02-05	_p95holder_	C-PRP	M2164489/113522291717724641/7185560553120871925009 : EBE6707C85A41FFC PRP: Verified PRP without proof (not generated)
2022-02-03	_p95holder_	F-ECM	Factor: 7185560553120871925009 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-19	kkmrkkblmbrbk	C-PRP	M2164489/113522291717724641 : 8E9A2C50046677A8 PRP: Verified PRP without proof (not generated)
2017-10-09	Oliver Kruse	C-PRP	M2164489/113522291717724641 : 8E9A2C50046677A8 PRP: Verified PRP without proof (not generated)
2016-04-04	alpertron	NF-PM1	B1=500000, B2=15000000, E=12