20210618, 21:33  #342 
Apr 2020
101110011_{2} Posts 

20210619, 04:38  #343 
"Ben"
Feb 2007
2^{2}×3×293 Posts 
Fantastic, thank you. Sieving is already done, filtering is running with LA to follow. Should have factors sometime tomorrow I'd guess. Since this one was so similar in size to the last, I reused most of the parameters. But I ran 15e with 31/29 instead of 14e with 32/30, and adjusted mfb's downward correspondingly.

20210619, 14:23  #344 
"Rich"
Aug 2002
Benicia, California
2·659 Posts 
(5, 9) C251 ecm'ed to t45. Continuing to t50.

20210619, 14:35  #345 
"Ben"
Feb 2007
110110111100_{2} Posts 
C203 from (3,9) factors as:
Code:
PRP103 = 1926631727570020844912755395588481807661615087447805197083800610681819030953233712099667958420736155599 PRP101 = 23149317273583696921116433865306378439328646015630744332899206277397247732866795937210636767359666181 
20210619, 23:44  #346 
Apr 2020
7·53 Posts 
Taking (6,8) c179. Testsieving suggested SNFS is slightly faster than GNFS. There was very little to choose between Max's two spun polys so I went with the first one. I'm using I=15 and lpb 32/30.

20210620, 10:14  #347 
(loop (#_fork))
Feb 2006
Cambridge, England
3·2,141 Posts 
(5,8) C209 complete by SNFS
Unspun polynomial Code:
n: 16565142879290504125073762823767688357919065144905054524206541804478927498295871968740614207813511789416877059764381461295498833321565662655267058786104869169924987607710560565878863482569594348028360005558029 skew: 3.7 c4: 1 c3: 6 c2: 17 c1: 84 c0: 196 Y0: 43070674852707955981472641819129110567338930886162219 Y1: 9307684042037302713836537085227216320008466867809161 lpbr: 30 lpba: 28 mfbr: 90 mfba: 56 rlambda: 3.6 alambda: 2.6 alim: 56000000 rlim: 56000000 P51 * P158; possibly t55 ECM would have found the factor faster. 
20210620, 10:19  #348  
(loop (#_fork))
Feb 2006
Cambridge, England
1917_{16} Posts 
Quote:


20210620, 12:37  #349 
"Ed Hall"
Dec 2009
Adirondack Mtns
2×3^{3}×71 Posts 
Is (12, 0) c147 still unclaimed? I'll run it to t50 while seeing if someone else hollars at me to desist. If it survives and no one else is running it, I'll GNFS it.

20210620, 15:37  #350 
Jan 2012
Toronto, Canada
131_{8} Posts 

20210620, 15:58  #351 
"Ed Hall"
Dec 2009
Adirondack Mtns
2·3^{3}·71 Posts 

20210620, 20:11  #352 
"Ed Hall"
Dec 2009
Adirondack Mtns
2·3^{3}·71 Posts 
(10, 6): The only thing left is the c258, which has survived t50.

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