2 323 259 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶²

Factored

Factor	Digits	Bits	Date
4646519	7	22.1	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	103 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-11	Oliver Kruse	F5411FDAE089BE89	1	0	1	3
Verified	PRP without proof (not generated)	2017-11-23	storm5510	F5411FDAE089BE89	1	1107236	1	3
Verified	Not Uploaded	2022-05-12	Jorge Coveiro	BCCB490B9B7667B8	1	1097754	5	3
Verified	Not Uploaded	2022-05-12	Jorge Coveiro	BCCB490B9B7667B8	1	1097754	5	3
Verified	Certified Good	2024-07-01	kkmrkkblmbrbk	BCCB490B9B7667B8	1	670894	5	3

History

Date	User	Type	Result
2024-07-01	ashmitha	CERT	Proof certified good
2024-07-01	kkmrkkblmbrbk	C-PRP	Proof Certified Good Proof Power: 7
2022-05-12	Jorge Coveiro	C-PRP	Proof Not Uploaded Proof Power: 7
2021-04-27	ViliamF	NF-PM1	B1=5000000, B2=505000000
2018-03-05	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2017-11-23	storm5510	C-PRP	M2323259/4646519 : F5411FDAE089BE89
2017-10-11	Oliver Kruse	C-PRP	M2323259/4646519 : F5411FDAE089BE89