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Old 2021-02-08, 15:05   #1816
jyb
 
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Aug 2005
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Quote:
Originally Posted by charybdis View Post
Ah yes, of course. In fact it's the same algebraic poly for 3+2_1494L.

There's also 3+2_1566L at difficulty 250.
Yes, actually there are a bunch more of these:

3+2,1674L (266)
3+2,1782M (283)
3+2,1818L (289)
3+2,1890L (301)
3+2,1926L (306)
3+2,1926M (306)

Of course, the difficulty starts to get pretty high, even for sextics. 3+2,1890L is particularly interesting, because it can be an octic at difficulty 240, which surely beats a sextic with difficulty 301.
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Old 2021-02-15, 05:11   #1817
jyb
 
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Default HCN tables updated

Another update. The tables and ECMnet server have been updated to reflect all factors reported to me through the end of February 14 (GMT). There were 28 new factors found since the last update, of which 25 completed the factorization of their respective numbers.

There are now 825 composites remaining in the tables. The minimum digit count remains 180, with one such composite currently unreserved (it may be easier by SNFS than GNFS). With the usual polynomial degrees, SNFS difficulties range from 233 to 310. As Robert pointed out above, there are several relatively easy SNFS jobs, with difficulties in the 230's that can use sextic polynomials.

Here are the factors found since the last update, showing appropriate credit:
Code:
4+3	424	C236	340224522413101377136425263820279171197505211595431135772877212742510692929.	P162				NFS@Home & J Becker	SNFS	2020-12-14
4+3	1299L	C180	607755967434501568870695261077004931263987013678201460614628674339.	P114					NFS@Home & S Wellman	GNFS	2020-12-17
11+10	286	C184	7173956154365860711212202496723318801876594682689112326594444341.	P120					R Balfour		GNFS	2020-12-23
3+2	1458L	C232	272778179581700214608940613130848043155524950157485759256767991922069865314923455527672324477.	P140		NFS@Home & J Becker	SNFS	2020-12-26
7+2	334	C281	1572086970565613985593372374878848957028731812522459870919029.	C221						Yoyo@home		ECM	2020-12-26
8+3	834L	C216	5386615734827920616029575531764652188196347636472473209711568761.	P152					NFS@Home & J Becker	SNFS	2020-12-30
11+10	269	C185	67885338031643306133874275113686175257711072279110334310565761575819502743.	P111				NFS@Home & J Becker	GNFS	2021-01-03
11-8	283	C184	25757443172192581774724832290466401813631301331104722265517146931911797890420779056821787347.	P93		R Balfour		GNFS	2021-01-04
8-5	283	C227	464969267080074787461258396097781630167378756522966212957078194975297861002935363382383671.	P137		NFS@Home & J Becker	SNFS	2021-01-05
9+2	268	C217	142498277492679700462296895337558444538793533656900226962405681936401.	P149					NFS@Home & R Dickerson	SNFS	2021-01-11
11+2	277	C188	88590756731423307003438243887117477947340188631909874351901.	P129						E Hall			ECM	2021-01-13
5+2	427	C218	100680094404947719634117385125033732408343221066182601426750212111947841649.	P144				NFS@Home & J Becker	SNFS	2021-01-15
5-2	427	C220	96217143903778444213232889302950053378903523564203636295750346599109673025775414237.	P137			NFS@Home & S Wellman	SNFS	2021-01-19
5+2	830M	C189	87194481537532219647451961506971310167337599587206670640874119313576546280898121241.	P106			NFS@Home & J Becker	SNFS	2021-01-21
11-8	287	C238	252913619349347588763877132448479425212438959990695903607339047594314326337.	P164				NFS@Home & J Becker	SNFS	2021-01-26
5+3	427	C248	16700096523299630893472388366118974723690274818074341769651328600601181666038611931.	P166			NFS@Home & S Wellman	SNFS	2021-01-26
3+2	1830M	C188	37770194609070586001730845912294235047156885480703474181.	C132						R Balfour		ECM	2021-01-27
3+2	1830M	C132	131213278246853941674923688720314447512564184463046996160762761.	P70					R Balfour		GNFS	2021-01-27
9+2	305	C211	33886426314493237523028241894757682498248211508090019580110200268685617316223681971361.	P126			NFS@Home & J Becker	SNFS	2021-01-28
11+3	287	C225	42665305442804211960901054513780679767624419132293851490443038684781251905807956131476818463955371699623.	P121	NFS@Home & J Becker	SNFS	2021-01-29
9-2	305	C197	413020446073576555908361881990070925701150917711393503147365776845747292981180280391.	P114			NFS@Home & J Becker	SNFS	2021-02-01
4-3	497	C253	33282325839230622131117390810912865176923802246998981830448662948858059087195223739086604472329614857070727957.	P143	NFS@Home & J Becker	SNFS	2021-02-01
8+3	307	C184	4034465893229948991017240237611887989468926643807749544311.	P127						R Balfour		GNFS	2021-02-02
11+9	244	C250	27629397626771432899477186319651600758864547022558510301569208366886795222177078053629518005040139761.	P150	NFS@Home & J Becker	SNFS	2021-02-04
11-3	287	C219	18496624888322543022162761135950249087378640019521785169232653369425835250009897448220711.	P131		NFS@Home & J Becker	SNFS	2021-02-08
5+3	433	C185	94414140295893398074672341688321994284592975267433041169947368634327222303526629750080826479.	P93		NFS@Home & M Vang	GNFS	2021-02-08
11+7	296	C290	471269492266311247705814157010450215250487473435313.	C239							Yoyo@home		ECM	2021-02-13
9+2	538L	C198	254654820883764896593943831178564781224544416692849771917112077288998797.	P127				NFS@Home & J Becker	SNFS	2021-02-14

Last fiddled with by jyb on 2021-02-15 at 05:12
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Old 2021-03-07, 14:45   #1818
richs
 
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"Rich"
Aug 2002
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122810 Posts
Default 8p3_774M factored

Code:
p93 factor: 394919403261007891106577866024599716542953650239284344299419901724499859466699310235306392453
p131 factor: 25259855101428349320239531146314859153787374023516210467201845328330310463818470624024408683291807036810023175118643790052502663829
Also posted in NFS@Home 14d Results thread.
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