224 863 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
40445490842783748989589013322535267617	38	124.9	2015-11-19 00:18:00

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	515 / 640

Estimated T-Level: 29.0 ⓘ

TF below 2^91 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Unknown	2211	0
Verified (Factored)		Jean-Richard Zanandrea	B700E6ABD10BA211	0
Verified (Factored)		Brian J. Beesley	B700E6ABD10BA211	0
Verified (Factored)		Eivind Triel	B700E6ABD10BA211	113011

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-22	Oliver Kruse	5A35159EB1CDD151	1	0	1	3
Verified	2017-09-30	alpertron	5A35159EB1CDD151	1	0	1	3
Verified	2017-12-07	ATH	5A35159EB1CDD151	1	223114	1	3
Verified	2020-04-17	Oliver Kruse	132A42414140D064	1	27149	5	3
Verified	2024-02-03	Wentao Huang	132A42414140D064	1	72619	5	3

History

Date	User	Type	Result
2024-02-03	Naegi Makoto	CERT	PRP Certification Proof certified good
2024-02-03	Wentao Huang	C-PRP	M224863/40445490842783748989589013322535267617 : 132A42414140D064 PRP proof power = 5 PRP: Verified Proof certified good
2022-03-13	Oliver Kruse	NF-PM1	B1=30000000, B2=10070832992220
2022-03-07	LordJulius	NF	no factor from 2^57 to 2^58
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2021-06-12	Oliver Kruse	NF-PM1	B1=30000000, B2=3000000000
2020-04-17	Oliver Kruse	C-PRP	M224863/40445490842783748989589013322535267617 : 132A42414140D064 PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M224863/40445490842783748989589013322535267617 : 5A35159EB1CDD151 PRP: Verified PRP without proof (small exponent)
2017-09-30	alpertron	C-PRP	M224863/40445490842783748989589013322535267617 : 5A35159EB1CDD151 PRP: Verified PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M224863/40445490842783748989589013322535267617 : 5A35159EB1CDD151 PRP: Verified PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M224863/40445490842783748989589013322535267617 : 5A35159EB1CDD151 PRP without proof (not generated)
2015-11-19	bam	F-ECM	Factor: 40445490842783748989589013322535267617 / (ECM curve 1, B1=250000, B2=25000000)
2015-07-05	snme2pm1	NF	no factor from 2^61 to 2^62
2013-10-20	David Campeau	NF-PM1	B1=4040000, B2=145440000, E=12
2013-07-22	lycorn	NF	no factor from 2^60 to 2^61
2011-02-11	Joss	NF-PM1	B1=4000000
2009-01-25	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-12-31	Sturle Sunde	NF	no factor from 2^58 to 2^59