4 111 241 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
79219941672065297359	20	66.1	2016-12-15 15:38:07

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)	1998-09-13	Lars Sözüer	59A0BC7DD7551C60	0
Verified (Factored)	2000-02-09	Joonas Linkola	59A0BC7DD7551C60	2628760

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-14	kkmrkkblmbrbk	A094ED9B459994B7	1	2093002	5	3
Verified	2018-01-12	Oliver Kruse	A094ED9B459994B7	1	3485241	5	3

History

Date	User	Type	Result
2023-04-11	-Anonymous-	NF-PM1	B1=224000, B2=119776800
2018-01-12	Oliver Kruse	C-PRP	M4111241/79219941672065297359 : A094ED9B459994B7 PRP: Verified PRP without proof (not generated)
2017-11-14	kkmrkkblmbrbk	C-PRP	M4111241/79219941672065297359 : A094ED9B459994B7 PRP: Verified PRP without proof (not generated)
2016-12-15	Conductor	F	Factor: 79219941672065297359 / TF: 66-67
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
2013-10-18	David Campeau	NF	no factor from 2^64 to 2^65
2013-09-06	Jayder	NF	no factor from 2^63 to 2^64
2013-06-19	Squeeky_Squirrel	NF-PM1	B1=125000, B2=2343750, E=6
2011-08-01	USAFSS	NF-PM1	B1=40000, B2=580000
2011-07-01	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-11-26	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-24	Carsten Kossendey	NF-PM1	B1=20000, B2=300000