1 790 587 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
234151034041215063758268457	27	87.6	2020-02-29 11:11:31

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)		INTERSHOP Communications	E05AFB9B8BEADCEA	0
Verified (Factored)	1999-05-23	Aaron B	E05AFB9B8BEADCEA	1376863
Verified (Factored)	1999-06-06	M Winkelman	E05AFB9B8BEADCEA	1029946

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-03-01	Christoph Zenger	1CDE45CB8310463D	1	1146872	5	3
Verified	2020-03-03	Luigi Morelli	1CDE45CB8310463D	1	910994	5	3

History

Date	User	Type	Result
2020-03-03	Luigi Morelli	C-PRP	M1790587/234151034041215063758268457 : 1CDE45CB8310463D PRP: Verified PRP without proof (not generated)
2020-03-01	Christoph Zenger	C-PRP	M1790587/234151034041215063758268457 : 1CDE45CB8310463D PRP: Verified PRP without proof (not generated)
2020-02-29	Sergey Nosov	F-ECM	Factor: 234151034041215063758268457 / (ECM curve 1, B1=50000, B2=5000000)
2019-07-24	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-19	Joss	NF-PM1	B1=2007416, B2=196964570, E=12
2018-10-07	Joss	NF-PM1	B1=2007416, B2=179058700, E=12
2018-10-02	Joss	NF-PM1	B1=2007416, B2=143246960, E=12
2018-10-01	Joss	NF-PM1	B1=2007416, B2=125341090, E=12
2017-09-29	TJAOI	NF	no factor from 2^66 to 2^67
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
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-10-05	mikr	NF-PM1	B1=3642200, B2=123456789, E=12
2015-09-30	Joss	NF-PM1	B1=2007416
2015-09-27	Joss	NF-PM1	B1=1824924
2015-09-15	Joss	NF-PM1	B1=1659022
2015-09-12	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-27	Joss	NF-PM1	B1=1508202
2015-07-21	Joss	NF-PM1	B1=1371093
2015-07-07	Joss	NF-PM1	B1=1246449
2015-06-25	Joss	NF-PM1	B1=1133136
2015-06-08	Joss	NF-PM1	B1=1030124
2015-05-26	Joss	NF-PM1	B1=936477
2015-05-22	Joss	NF-PM1	B1=851343
2015-05-07	Joss	NF-PM1	B1=773949
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=703590
2015-04-08	Joss	NF-PM1	B1=581480
2015-03-15	Joss	NF-PM1	B1=480563
2015-03-08	Joss	NF-PM1	B1=436876
2015-02-21	Joss	NF-PM1	B1=397160
2015-02-15	Joss	NF-PM1	B1=361055
2015-01-09	Joss	NF-PM1	B1=271267
2014-10-05	Joss	NF-PM1	B1=180845
2014-05-03	Joss	NF-PM1	B1=145000
2011-02-10	Carsten Kossendey	NF-PM1	B1=95000, B2=1638750, E=6
2010-11-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-19	Architects Cubed	NF	no factor from 2^60 to 2^61

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