2 062 351 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

No factors below 2⁶⁹

TF target 2⁶²

TF below 2^80 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	13253715
B2 =	221101820940

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	57 / 640

Estimated T-Level: 25.4 ⓘ

Status	Date	User	Residue	Shift
Verified		Gary Lowder	34958443DAC159CE	0
Bad	1999-08-31	Erik Bernhardson	648A19A152302285	1138067
Verified	1999-11-10	David Brooks	34958443DAC159CE	529401
Verified	2016-08-31	Mark Rose	34958443DAC159CE	1749063

History

Date	User	Type	Result
2022-04-23	Ryan Propper	NF-PM1	B1=13253715, B2=221101820940
2021-08-26	TJAOI	NF	no factor from 2^68 to 2^69
2019-03-25	chuenkit	NF	no factor from 2^67 to 2^68
2017-02-23	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2016-11-06	Joss	NF-PM1	B1=315763
2016-11-04	Joss	NF-PM1	B1=263136
2016-11-03	Joss	NF-PM1	B1=219280
2016-09-28	Joss	NF-PM1	B1=182734, B2=13932000, E=12
2016-08-31	Mark Rose	C-LL	34958443DAC159CE
2016-08-29	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-06-26	Joss	NF-PM1	B1=182734, B2=5805000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-11-03	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-28	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-28	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-28	Joss	NF-PM1	B1=166122
2013-09-01	ramgeis	NF	no factor from 2^62 to 2^63
2012-03-13	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-21	James Heinrich	NF-PM1	B1=135000, B2=2902500, E=6
2011-01-06	Joss	NF-PM1	B1=50000
2010-12-26	Joss	NF-PM1	B1=30000
2009-06-22	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-02	Sturle Sunde	NF	no factor from 2^60 to 2^61

Username
Password