4 362 923 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
8058841458267912017	19	62.8	2012-01-15 23:43:41

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		John C. Webber	82A21B420568D651	0
Verified (Factored)	1999-12-08	MechEngrGATech	82A21B420568D651	4144928

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	1283B9AFB0CCDEA6	1	0	1	3
Verified	2018-02-07	Oliver Kruse	1283B9AFB0CCDEA6	1	2348125	1	3

History

Date	User	Type	Result
2018-02-07	Oliver Kruse	C-PRP	M4362923/8058841458267912017 : 1283B9AFB0CCDEA6 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4362923/8058841458267912017 : 1283B9AFB0CCDEA6 PRP: Verified PRP without proof (not generated)
2012-01-15	GrunwalderGIMP	F-ECM	Factor: 8058841458267912017
2011-12-31	Squeeky_Squirrel	NF-PM1	B1=110000, B2=2255000, E=6
2010-11-21	markr	NF	no factor from 2^61 to 2^62
2009-07-26	Carsten Kossendey	NF-PM1	B1=25000, B2=356250