4 929 943 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

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

Factored

Factor	Digits	Bits	Date
182711675680296228340241	24	77.3	2014-11-13 08:40:35

ECM

Digits	B1	Curves
25	50000	6 / 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)	1998-04-27	Gary Lupienski	33F72FAA09482715	0
Verified (Factored)	2000-03-15	Tamas Vincze	33F72FAA09482715	787949

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	F70E8F0932F9C2EC	1	0	1	3
Verified	2018-04-15	Oliver Kruse	F70E8F0932F9C2EC	1	2742479	1	3

P-1 factors

Date	Factor	B1	B2
2014-11-13	182711675680296228340241	1200000	39750000

History

Date	User	Type	Result
2018-04-15	Oliver Kruse	C-PRP	M4929943/182711675680296228340241 : F70E8F0932F9C2EC PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4929943/182711675680296228340241 : F70E8F0932F9C2EC PRP: Verified PRP without proof (not generated)
2014-11-13	mikr	F-PM1	Factor: 182711675680296228340241 / (P-1, B1=1200000, B2=39750000, E=12)
2011-09-28	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-07-16	Squeeky_Squirrel	NF-PM1	B1=60000, B2=960000, E=6
2010-03-28	markr	NF	no factor from 2^61 to 2^62
2009-08-29	Carsten Kossendey	NF-PM1	B1=30000, B2=435000