1 473 301 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
5190910929292951154709817	25	82.1	2016-02-03 03:24:31

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)		Thiemo Sammern	850D9F439C861155	0
Verified (Factored)	1998-11-28	David Underbakke	850D9F439C861155	190652
Verified (Factored)	2015-07-01	MadPoo	850D9F439C861155	183310

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-01	Oliver Kruse	41033623493A0F27	1	0	1	3
Verified	2017-10-28	kkmrkkblmbrbk	41033623493A0F27	1	242672	1	3

History

Date	User	Type	Result
2017-10-28	kkmrkkblmbrbk	C-PRP	M1473301/5190910929292951154709817 : 41033623493A0F27 PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1473301/5190910929292951154709817 : 41033623493A0F27 PRP: Verified PRP without proof (not generated)
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2016-02-03	Chang Chia-Tche	F-ECM	Factor: 5190910929292951154709817 / (ECM curve 2, B1=50000, B2=5000000)
2015-09-21	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-01	MadPoo	C-LL	850D9F439C861155
2015-04-03	snme2pm1	NF	no factor from 2^64 to 2^65
2015-04-03	snme2pm1	NF	no factor from 2^63 to 2^64
2015-02-26	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2015-02-20	Joss	NF-PM1	B1=431488
2015-02-15	Joss	NF-PM1	B1=392262
2015-01-31	Joss	NF-PM1	B1=356602
2015-01-28	Joss	NF-PM1	B1=324184
2015-01-26	Joss	NF-PM1	B1=294713
2014-11-19	Joss	NF-PM1	B1=243565
2011-04-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-10-28	Rob_Dee	NF-PM1	B1=200000, B2=5000000, E=6
2010-10-27	Rob_Dee	NF-PM1	B1=200000, B2=4000000, E=6
2010-10-26	Rob_Dee	NF-PM1	B1=200000, B2=3000000, E=6
2010-10-25	Rob_Dee	NF-PM1	B1=200000, B2=2000000, E=6
2010-10-24	Rob_Dee	NF-PM1	B1=200000, B2=1000000, E=6
2010-10-23	Rob_Dee	NF-PM1	B1=200000, B2=300000
2010-10-22	Rob_Dee	NF-PM1	B1=100000, B2=200000
2010-05-08	Architects Cubed	NF	no factor from 2^60 to 2^61

Username
Password