1 455 569 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
6633179254042644442386777742482765071	37	122.3	2015-02-11 18:44:20

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Craig Wachob	E82D7C08590FB791	0
Verified (Factored)	1999-01-02	Sami	E82D7C08590FB791	243185

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-01	Oliver Kruse	2EB9C777704836A1	1	0	1	3
Verified	2017-10-27	kkmrkkblmbrbk	2EB9C777704836A1	1	862745	1	3

P-1 factors

Date	Factor	B1	B2
2015-02-11	6633179254042644442386777742482765071	2000000	60000000

History

Date	User	Type	Result
2022-03-08	LordJulius	NF	no factor from 2^58 to 2^60
2017-10-27	kkmrkkblmbrbk	C-PRP	M1455569/6633179254042644442386777742482765071 : 2EB9C777704836A1 PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1455569/6633179254042644442386777742482765071 : 2EB9C777704836A1 PRP: Verified PRP without proof (not generated)
2015-02-11	alpertron	F-PM1	Factor: 6633179254042644442386777742482765071 / (P-1, B1=2000000, B2=60000000, E=12)
2015-01-30	Joss	NF-PM1	B1=357377
2015-01-28	Joss	NF-PM1	B1=324889
2014-11-17	Joss	NF-PM1	B1=244095
2011-03-08	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-09-02	Rob_Dee	NF-PM1	B1=200000, B2=5000000, E=6
2010-09-01	Rob_Dee	NF-PM1	B1=200000, B2=4000000, E=6
2010-08-31	Rob_Dee	NF-PM1	B1=200000, B2=3000000, E=6
2010-08-30	Rob_Dee	NF-PM1	B1=200000, B2=2000000, E=6
2010-08-29	Rob_Dee	NF-PM1	B1=200000, B2=1000000, E=6
2010-08-28	Rob_Dee	NF-PM1	B1=200000, B2=300000
2010-08-27	Rob_Dee	NF-PM1	B1=100000, B2=200000
2010-05-07	Architects Cubed	NF	no factor from 2^60 to 2^61