1 732 579 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
272663907002561282201307263	27	87.8	2015-09-20 17:19:42

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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)		Ed Knapton	F805A80BF4844931	0
Verified (Factored)	1998-12-06	Ron Lavallee	F805A80BF4844931	311098
Verified (Factored)	2015-07-18	MadPoo	F805A80BF4844931	1060353

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-30	alpertron	A50DAE6913E67099	1	0	1	3
Verified	2017-10-19	Oliver Kruse	A50DAE6913E67099	1	213133	1	3

P-1 factors

Date	Factor	B1	B2
2015-09-20	272663907002561282201307263	3642200	123456789

History

Date	User	Type	Result
2017-10-19	Oliver Kruse	C-PRP	M1732579/272663907002561282201307263 : A50DAE6913E67099 PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M1732579/272663907002561282201307263 : A50DAE6913E67099 PRP: Verified PRP without proof (not generated)
2015-09-20	mikr	F-PM1	Factor: 272663907002561282201307263 / (P-1, B1=3642200, B2=123456789, E=12)
2015-09-16	Joss	NF-PM1	B1=1718740
2015-09-03	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-27	Joss	NF-PM1	B1=1562491
2015-07-21	Joss	NF-PM1	B1=1420447
2015-07-18	MadPoo	C-LL	F805A80BF4844931
2015-07-07	Joss	NF-PM1	B1=1291316
2015-06-25	Joss	NF-PM1	B1=1173924
2015-06-08	Joss	NF-PM1	B1=1067204
2015-05-26	Joss	NF-PM1	B1=970186
2015-05-22	Joss	NF-PM1	B1=881988
2015-05-07	Joss	NF-PM1	B1=801808
2015-05-05	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-05	snme2pm1	NF	no factor from 2^63 to 2^64
2015-05-01	Joss	NF-PM1	B1=728917
2015-04-08	Joss	NF-PM1	B1=602411
2015-03-15	Joss	NF-PM1	B1=497861
2015-03-08	Joss	NF-PM1	B1=452601
2015-02-22	Joss	NF-PM1	B1=411456
2015-02-11	Joss	NF-PM1	B1=374051
2015-01-29	Joss	NF-PM1	B1=281019
2015-01-27	Joss	NF-PM1	B1=255472
2014-12-02	Joss	NF-PM1	B1=211135
2014-09-10	Joss	NF-PM1	B1=174090
2014-05-06	Joss	NF-PM1	B1=137045
2014-04-04	Joss	NF-PM1	B1=100000
2011-02-11	Carsten Kossendey	NF-PM1	B1=95000, B2=1543750, E=6
2010-11-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-24	Architects Cubed	NF	no factor from 2^60 to 2^61

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