2 183 833 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
4332724673	10	32.0	old
1990650509184434992325663	25	80.7	2022-03-22 06:08:41

ECM

Digits	B1	Curves
25	50000	100 / 280

Estimated T-Level: 21.8 ⓘ

TF below 2^67 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	E26564BE28D69BFF	1	0	1	3
Verified (Factored)	2017-11-19	kkmrkkblmbrbk	E26564BE28D69BFF	1	1399066	1	3
Verified	2022-03-24	_p95holder_	77641E51A0E64BE0	2	1680906	5	3
Verified	2022-03-28	LaurV	77641E51A0E64BE0	2	513123	5	3

History

Date	User	Type	Result
2022-03-28	aperson1	CERT	PRP Certification Proof certified good
2022-03-28	LaurV	C-PRP	M2183833/4332724673/1990650509184434992325663 : 77641E51A0E64BE0 PRP proof power = 7 PRP: Verified Proof certified good
2022-03-24	_p95holder_	C-PRP	M2183833/4332724673/1990650509184434992325663 : 77641E51A0E64BE0 PRP: Verified PRP without proof (not generated)
2022-03-22	_p95holder_	F-ECM	Factor: 1990650509184434992325663 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-19	kkmrkkblmbrbk	C-PRP	M2183833/4332724673 : E26564BE28D69BFF PRP: Verified PRP without proof (not generated)
2017-10-09	Oliver Kruse	C-PRP	M2183833/4332724673 : E26564BE28D69BFF PRP: Verified PRP without proof (not generated)
2016-03-25	alpertron	NF-PM1	B1=500000, B2=15000000, E=12