1 044 847 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1497543464954791583875649417	28	90.3	2016-04-11 07:16:32

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 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)		Phil Nesser	25C0D712016C71A6	0
Verified (Factored)		Andrew Churchill	25C0D712016C71A6	0
Verified (Factored)	2003-08-25	Brian J. Beesley	25C0D712016C71A6	809709

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	Oliver Kruse	9F27A2A23D113F39	1	0	1	3
Verified	2017-10-15	Oliver Kruse	9F27A2A23D113F39	1	575150	1	3
Verified	2017-12-27	ATH	9F27A2A23D113F39	1	5539	1	3

P-1 factors

Date	Factor	B1	B2
2016-04-11	1497543464954791583875649417	6500000	180000000

History

Date	User	Type	Result
2023-11-12	USAFSS	NF-PM1	B1=900000, B2=1367189670
2017-12-27	ATH	C-PRP	M1044847/1497543464954791583875649417 : 9F27A2A23D113F39 PRP: Verified PRP without proof (not generated)
2017-10-15	Oliver Kruse	C-PRP	M1044847/1497543464954791583875649417 : 9F27A2A23D113F39 PRP: Verified PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M1044847/1497543464954791583875649417 : 9F27A2A23D113F39 PRP: Verified PRP without proof (not generated)
2016-04-11	mikr	F-PM1	Factor: 1497543464954791583875649417
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2014-10-18	Joss	NF-PM1	B1=322858
2014-08-21	Joss	NF-PM1	B1=261429
2014-04-01	Never Odd Or Even	NF	no factor from 2^70 to 2^71
2013-09-29	Never Odd Or Even	NF	no factor from 2^69 to 2^70
2013-09-29	Never Odd Or Even	NF	no factor from 2^68 to 2^69
2013-04-09	Never Odd Or Even	NF	no factor from 2^67 to 2^68
2013-04-09	Never Odd Or Even	NF	no factor from 2^66 to 2^67
2013-04-09	Never Odd Or Even	NF	no factor from 2^65 to 2^66
2013-04-09	Never Odd Or Even	NF	no factor from 2^64 to 2^65
2013-01-03	dbaugh	NF	no factor from 2^63 to 2^64
2012-01-25	bcp19	NF-PM1	B1=200000, B2=100000000, E=12
2012-01-02	bcp19	NF-PM1	B1=200000, B2=10000000, E=12
2010-12-07	Michael C	NF	no factor from 2^62 to 2^63
2010-11-10	Michael C	NF	no factor from 2^61 to 2^62
2009-02-15	Sturle Sunde	NF	no factor from 2^60 to 2^61

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