1 714 891 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
158978357229206488048279	24	77.1	2019-05-09 18:19:49

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	DE074ED317134D88	0
Verified (Factored)	1998-11-28	Michiel van Loon	DE074ED317134D88	366983
Verified (Factored)	2015-07-10	MadPoo	DE074ED317134D88	473601

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-05-10	Niels_Mache_Nextcloud	C0B5A7674250A5E8	1	318919	5	3
Verified	2019-05-10	ATH	C0B5A7674250A5E8	1	1367098	5	3
Verified	2019-05-10	Daniil Tsarkov	C0B5A7674250A5E8	1	703439	5	3

History

Date	User	Type	Result
2019-05-10	Daniil Tsarkov	C-PRP	M1714891/158978357229206488048279 : C0B5A7674250A5E8 PRP: Verified PRP without proof (not generated)
2019-05-10	ATH	C-PRP	M1714891/158978357229206488048279 : C0B5A7674250A5E8 PRP: Verified PRP without proof (not generated)
2019-05-10	Niels_Mache_Nextcloud	C-PRP	M1714891/158978357229206488048279 : C0B5A7674250A5E8 PRP: Verified PRP without proof (not generated)
2019-05-09	nordi	F-ECM	Factor: 158978357229206488048279 / (ECM curve 7, B1=50000, B2=5000000)
2018-06-04	TJAOI	NF	no factor from 2^66 to 2^67
2018-04-01	Joss	NF-PM1	B1=1719415, B2=171941500, E=12
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-09-01	ramgeis	NF	no factor from 2^65 to 2^66
2015-08-04	mikr	NF-PM1	B1=3642200, B2=123456789, E=12
2015-07-24	Joss	NF-PM1	B1=1563105
2015-07-13	Joss	NF-PM1	B1=1421005
2015-07-10	MadPoo	C-LL	DE074ED317134D88
2015-07-07	Joss	NF-PM1	B1=1291823
2015-06-25	Joss	NF-PM1	B1=1174385
2015-06-08	Joss	NF-PM1	B1=1067623
2015-05-26	Joss	NF-PM1	B1=970567
2015-05-22	Joss	NF-PM1	B1=882334
2015-05-07	Joss	NF-PM1	B1=802122
2015-05-01	Joss	NF-PM1	B1=729202
2015-04-29	snme2pm1	NF	no factor from 2^64 to 2^65
2015-04-29	snme2pm1	NF	no factor from 2^63 to 2^64
2015-04-08	Joss	NF-PM1	B1=602647
2015-03-14	Joss	NF-PM1	B1=498056
2015-03-05	Joss	NF-PM1	B1=452779
2015-03-01	Joss	NF-PM1	B1=411618
2015-02-21	Joss	NF-PM1	B1=374199
2015-02-16	Joss	NF-PM1	B1=340181
2015-02-03	Joss	NF-PM1	B1=309256
2015-01-09	Joss	NF-PM1	B1=281142
2014-10-05	Joss	NF-PM1	B1=187428
2014-05-03	Joss	NF-PM1	B1=150000
2014-04-01	Joss	NF-PM1	B1=100000
2011-02-10	Carsten Kossendey	NF-PM1	B1=90000, B2=1507500, E=6
2011-01-29	Joss	NF-PM1	B1=50000
2010-10-16	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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