1 789 517 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
376692484289299200857825979826991	33	108.2	2015-10-02 13:47:59

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	108 / 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	1396A7EB56A4E19A	0
Bad	1998-12-27	John T Marshall	F568A088B884737C	712938
Verified (Factored)	1999-03-01	Ethan Hansen	1396A7EB56A4E19A	254716
Verified (Factored)	2015-07-18	MadPoo	1396A7EB56A4E19A	12354

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-30	alpertron	AB5CBB001BB395FD	1	0	1	3
Verified	2017-10-19	Oliver Kruse	AB5CBB001BB395FD	1	1415215	1	3

P-1 factors

Date	Factor	B1	B2
2015-10-02	376692484289299200857825979826991	3642200	123456789

History

Date	User	Type	Result
2022-03-08	LordJulius	NF	no factor from 2^58 to 2^60
2017-10-19	Oliver Kruse	C-PRP	M1789517/376692484289299200857825979826991 : AB5CBB001BB395FD PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M1789517/376692484289299200857825979826991 : AB5CBB001BB395FD PRP: Verified PRP without proof (not generated)
2015-10-02	mikr	F-PM1	Factor: 376692484289299200857825979826991 / (P-1, B1=3642200, B2=123456789, E=12)
2015-09-30	Joss	NF-PM1	B1=2007669
2015-09-27	Joss	NF-PM1	B1=1825154
2015-09-15	Joss	NF-PM1	B1=1659231
2015-09-12	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-27	Joss	NF-PM1	B1=1508392
2015-07-21	Joss	NF-PM1	B1=1371266
2015-07-18	MadPoo	C-LL	1396A7EB56A4E19A
2015-07-07	Joss	NF-PM1	B1=1246606
2015-06-25	Joss	NF-PM1	B1=1133279
2015-06-08	Joss	NF-PM1	B1=1030254
2015-05-26	Joss	NF-PM1	B1=936595
2015-05-22	Joss	NF-PM1	B1=851450
2015-05-07	Joss	NF-PM1	B1=774046
2015-05-03	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-03	snme2pm1	NF	no factor from 2^63 to 2^64
2015-05-01	Joss	NF-PM1	B1=703679
2015-04-08	Joss	NF-PM1	B1=581554
2015-03-15	Joss	NF-PM1	B1=480624
2015-03-08	Joss	NF-PM1	B1=436931
2015-02-21	Joss	NF-PM1	B1=397210
2015-02-15	Joss	NF-PM1	B1=361100
2015-01-09	Joss	NF-PM1	B1=271300
2014-10-03	Joss	NF-PM1	B1=180867
2014-05-03	Joss	NF-PM1	B1=145000
2011-02-07	Carsten Kossendey	NF-PM1	B1=95000, B2=1638750, E=6
2010-10-27	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-21	Architects Cubed	NF	no factor from 2^60 to 2^61

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