1 790 401 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

1790401

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁶⁸

TF target 2⁶¹

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

P-1

B1 =	17000000
B2 =	272007836100

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 640

Estimated T-Level: 25.8 ⓘ

Status	Date	User	Residue	Shift
Verified		INTERSHOP Communications	03BD9A1704EFE398	0
Verified	1999-03-15	Fumitaka Yura	03BD9A1704EFE398	439681
Verified	2015-07-18	MadPoo	03BD9A1704EFE398	264066

History

Date	User	Type	Result
2023-06-07	linament	NF-PM1	B1=17000000, B2=272007836100
2023-06-07	linament	NF-PM1	B1=16600000
2023-05-18	Joss	NF-PM1	B1=2007468, B2=6152851320
2023-02-27	Joss	NF-PM1	B1=2007468, B2=2662718520
2023-01-07	Joss	NF-PM1	B1=2007468, B2=917686770
2022-08-04	masser	NF-PP1	Start=93/23, B1=1600000, B2=57600000
2019-07-24	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-19	Joss	NF-PM1	B1=2007468, B2=196944110, E=12
2018-10-07	Joss	NF-PM1	B1=2007468, B2=179040100, E=12
2018-10-02	Joss	NF-PM1	B1=2007468, B2=143232080, E=12
2018-10-01	Joss	NF-PM1	B1=2007468, B2=125328070, E=12
2017-09-29	TJAOI	NF	no factor from 2^66 to 2^67
2016-05-15	Numberwang	NF-PM1	B1=20000, B2=500000
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-10-04	mikr	NF-PM1	B1=3642200, B2=123456789, E=12
2015-09-30	Joss	NF-PM1	B1=2007468
2015-09-27	Joss	NF-PM1	B1=1824971
2015-09-15	Joss	NF-PM1	B1=1659065
2015-09-12	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-27	Joss	NF-PM1	B1=1508241
2015-07-21	Joss	NF-PM1	B1=1371129
2015-07-18	MadPoo	C-LL	03BD9A1704EFE398
2015-07-07	Joss	NF-PM1	B1=1246481
2015-06-25	Joss	NF-PM1	B1=1133165
2015-06-08	Joss	NF-PM1	B1=1030150
2015-05-26	Joss	NF-PM1	B1=936500
2015-05-22	Joss	NF-PM1	B1=851364
2015-05-07	Joss	NF-PM1	B1=773968
2015-05-02	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-02	snme2pm1	NF	no factor from 2^63 to 2^64
2015-05-01	Joss	NF-PM1	B1=703608
2015-04-08	Joss	NF-PM1	B1=581495
2015-03-15	Joss	NF-PM1	B1=480575
2015-03-08	Joss	NF-PM1	B1=436887
2015-02-21	Joss	NF-PM1	B1=397170
2015-02-15	Joss	NF-PM1	B1=361064
2015-01-09	Joss	NF-PM1	B1=271273
2014-10-05	Joss	NF-PM1	B1=180849
2014-05-03	Joss	NF-PM1	B1=145000
2011-02-08	Carsten Kossendey	NF-PM1	B1=95000, B2=1638750, E=6
2010-10-27	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-18	Architects Cubed	NF	no factor from 2^60 to 2^61

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