3 111 803 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
3128572008250998855728593	25	81.4	2020-07-26 01:08:47

ECM

Digits	B1	Curves
25	50000	146 / 280

Estimated T-Level: 22.6 ⓘ

TF below 2^70 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Alan Law	A9FFEAB09A539712	0
Verified (Factored)	1999-05-30	Jason Slemons	A9FFEAB09A539712	1955075

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-07-26	Christoph Zenger	187E01BCCD23EEB0	1	1382909	5	3
Verified	2020-07-27	xyuzyz	187E01BCCD23EEB0	1	946236	5	3

History

Date	User	Type	Result
2022-09-07	Joss	NF-PM1	B1=1061180, B2=226749600
2022-01-24	Joss	NF-PM1	B1=1061180, B2=119912100
2022-01-05	Joss	NF	no factor from 2^68 to 2^69
2021-01-17	Joss	NF-PM1	B1=312009, B2=3111803, E=6
2020-07-27	xyuzyz	C-PRP	M3111803/3128572008250998855728593 : 187E01BCCD23EEB0 PRP: Verified PRP without proof (not generated)
2020-07-26	Christoph Zenger	C-PRP	M3111803/3128572008250998855728593 : 187E01BCCD23EEB0 PRP: Verified PRP without proof (not generated)
2020-07-26	mnd9	F-ECM	Factor: 3128572008250998855728593 / (ECM curve 1, B1=50000, B2=5000000, Sigma=5393813890922563)
2019-01-28	TJAOI	NF	no factor from 2^67 to 2^68
2018-09-12	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2017-04-14	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-03-13	Joss	NF-PM1	B1=282009, B2=2820090, E=6
2017-02-18	Joss	NF-PM1	B1=235008, B2=2350080, E=6
2017-02-04	Joss	NF-PM1	B1=195840
2017-01-29	Joss	NF-PM1	B1=163200
2016-12-27	Joss	NF-PM1	B1=126000
2016-08-30	Joss	NF-PM1	B1=105000, B2=4252500, E=6
2015-06-11	Tha	NF	no factor from 2^65 to 2^66
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-11-25	markr	NF	no factor from 2^61 to 2^62
2011-08-24	Squeeky_Squirrel	NF-PM1	B1=105000, B2=2126250, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=180000
2009-04-12	S485122	NF	no factor from 2^60 to 2^61

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