4 112 579 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
95685642674772479359	20	66.4	2016-04-12 01:27:05

ECM

Digits	B1	Curves
25	50000	9 / 280

Estimated T-Level: 20.2 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Adam C. Finnefrock	C44C45D4B2D78F7F	0
Verified (Factored)	1999-10-15	Terry McKiernan	C44C45D4B2D78F7F	2433386

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-14	Oliver Kruse	3A5EA4B55E155A0F	1	3818247	5	3
Verified	2017-12-24	kkmrkkblmbrbk	3A5EA4B55E155A0F	1	930114	5	3

History

Date	User	Type	Result
2023-04-11	-Anonymous-	NF-PM1	B1=224000, B2=119776800
2017-12-24	kkmrkkblmbrbk	C-PRP	M4112579/95685642674772479359 : 3A5EA4B55E155A0F PRP: Verified PRP without proof (not generated)
2017-11-14	Oliver Kruse	C-PRP	M4112579/95685642674772479359 : 3A5EA4B55E155A0F PRP: Verified PRP without proof (not generated)
2016-04-12	Sid & Andy	F-ECM	Factor: 95685642674772479359 / (ECM curve 3, B1=50000, B2=5000000)
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-05-31	snme2pm1	NF	no factor from 2^65 to 2^66
2013-11-01	David Campeau	NF	no factor from 2^64 to 2^65
2013-09-07	Jayder	NF	no factor from 2^63 to 2^64
2013-06-20	Squeeky_Squirrel	NF-PM1	B1=125000, B2=2343750, E=6
2011-08-02	USAFSS	NF-PM1	B1=40000, B2=580000
2011-07-01	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-11-27	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-24	Carsten Kossendey	NF-PM1	B1=20000, B2=300000