246 769 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

No factors below 2⁶⁶

TF target 2⁴⁴

TF below 2^102 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	121000000
B2 =	4982795077260

ECM

Estimated T-Level: 32.2 ⓘ

Status	Date	User	Residue	Shift
Verified		David Slowinski	4C28	0
Verified		Unknown	4C28	0
Verified		Ken Kiefer	291BAD78C20D4C28	0
Verified		Brian J. Beesley	291BAD78C20D4C28	0
Verified		Eivind Triel	291BAD78C20D4C28	19501
Verified	2016-06-01	MadPoo	291BAD78C20D4C28	54890

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-04-25	Ismo Laitela	factor ECM small		0.00 %	2024-04-27

History

Date	User	Type	Result
2023-02-11	masser	NF-PP1	Start=6/5, B1=30000000, B2=990000000
2023-02-05	masser	NF-PP1	Start=2/7, B1=30000000, B2=990000000
2023-02-05	masser	NF-PP1	Start=119/23, B1=30000000, B2=960000000
2022-06-15	Sid & Andy	NF-PM1	B1=121000000, B2=4982795077260
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2019-12-31	Gordon Spence	NF	no factor from 2^65 to 2^66
2019-04-18	alex	NF-PM1	B1=100000000, B2=2000000000, E=12
2018-03-11	Gordon Spence	NF	no factor from 2^64 to 2^65
2016-06-27	Joss	NF-PM1	B1=32497200, B2=649944000, E=12
2016-06-01	MadPoo	C-LL	291BAD78C20D4C28
2016-02-23	Mark Rose	NF	no factor from 2^57 to 2^58
2016-01-23	Gordon Spence	NF	no factor from 2^63 to 2^64
2016-01-23	Gordon Spence	NF	no factor from 2^62 to 2^63
2016-01-07	Joss	NF-PM1	B1=32497200, B2=324972000, E=12
2015-08-07	snme2pm1	NF	no factor from 2^61 to 2^62
2013-10-21	David Campeau	NF-PM1	B1=2655000, B2=90270000, E=12
2013-07-22	lycorn	NF	no factor from 2^60 to 2^61
2012-02-26	Joss	NF-PM1	B1=2548566
2011-07-24	Joss	NF-PM1	B1=2038853
2011-02-07	Joss	NF-PM1	B1=2000000
2009-01-07	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-12-31	Sturle Sunde	NF	no factor from 2^58 to 2^59

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