2 120 057 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
3464896054216372289547857	25	81.5	2019-07-30 16:28:25

ECM

Digits	B1	Curves
25	50000	102 / 280

Estimated T-Level: 21.8 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1997-11-11	Dongsheng Liu	E6B6BA5A74C5B963	0
Verified (Factored)	1999-01-29	Bruce Mitchell	E6B6BA5A74C5B963	1252851
Verified (Factored)	2018-04-04	kkmrkkblmbrbk	E6B6BA5A74C5B963	1768276

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-07-31	Niels_Mache_Nextcloud	E088A1D3D57B30D8	1	1093284	5	3
Verified	2019-08-01	marssystems	E088A1D3D57B30D8	1	663458	5	3

History

Date	User	Type	Result
2019-08-01	marssystems	C-PRP	M2120057/3464896054216372289547857 : E088A1D3D57B30D8 PRP: Verified PRP without proof (not generated)
2019-07-31	Niels_Mache_Nextcloud	C-PRP	M2120057/3464896054216372289547857 : E088A1D3D57B30D8 PRP: Verified PRP without proof (not generated)
2019-07-30	Chang Chia-Tche	F-ECM	Factor: 3464896054216372289547857 / (ECM curve 1, B1=50000, B2=5000000, Sigma=4066847199344701)
2019-05-06	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-04	kkmrkkblmbrbk	C-LL	E6B6BA5A74C5B963
2017-09-05	Joss	NF-PM1	B1=440000, B2=4400000, E=6
2017-08-19	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2016-10-15	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-06-23	Joss	NF-PM1	B1=220000, B2=6020000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-10-21	omylist	NF	no factor from 2^65 to 2^66
2015-03-15	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-15	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-09-06	ramgeis	NF	no factor from 2^62 to 2^63
2012-04-02	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-25	James Heinrich	NF-PM1	B1=140000, B2=3010000, E=6
2011-01-11	Joss	NF-PM1	B1=50000
2010-12-30	Joss	NF-PM1	B1=30000
2009-08-02	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61

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