20220809, 16:30  #100 
Jun 2012
2×7×263 Posts 
Cullen 849
I’ve enqueued this as posted (with some slight reordering of the lines), but are you sure about 3 LPs on the rational side while sieving on the algebraic side? It can be changed until it is thrown into sieving status.
If it test sieved best using these parameters then so be it but it looked odd to me. But we don’t see many factorizations of pure Cullen numbers anymore, maybe they’re a different beast? Last fiddled with by swellman on 20220809 at 16:31 
20220809, 16:50  #101 
"Oliver"
Sep 2017
Porta Westfalica, DE
47C_{16} Posts 
Yes! This was my raw data (rational/algebraic/sieve side):
Code:
22A: total yield: 2312, q=100001029 (0.21729 sec/rel) 58 Special q, 396 reduction iterations 22R: total yield: 2104, q=100001029 (0.21938 sec/rel) 54 Special q, 384 reduction iterations 23A: total yield: 2882, q=100001029 (0.20435 sec/rel) 58 Special q, 396 reduction iterations 23R: total yield: 2746, q=100001029 (0.23284 sec/rel) 54 Special q, 384 reduction iterations 32A: total yield: 3017, q=100001029 (0.22544 sec/rel) 58 Special q, 396 reduction iterations 32R: total yield: 2614, q=100001029 (0.21088 sec/rel) 54 Special q, 384 reduction iterations 33A: total yield: 3755, q=100001029 (0.99578 sec/rel) 58 Special q, 396 reduction iterations 33R: total yield: 3414, q=100001029 (1.01115 sec/rel) 54 Special q, 384 reduction iterations Code:
22A 2164 23A 2697 32A 2824 33A 3515 22R 2115 23R 2761 32R 2628 33R 3432 Last fiddled with by kruoli on 20220809 at 16:58 Reason: Added information. 
20220809, 16:59  #102  
Jun 2012
2×7×263 Posts 
Quote:


20220809, 17:24  #103 
Apr 2020
3^{2}×5×19 Posts 
This does make sense for numbers where the algebraic and rational norms are very similar in size. The specialq essentially gives you a large prime for free on the side that you're sieving on, so this is morally 3 large primes on each side.

20220811, 15:11  #104 
Jun 2012
2·7·263 Posts 
QUEUED AS 11p8_254
11+8,254 is a SNFS 264 composite from the HCN project ready for sieving on 15e_small. Code:
n: 124770258398178107242131430473369370375510834286483169003880299586574202593247463580711485332956285974313251948273561177793178361754355619422761510174288177249352768474487586257335461086084765626108729190558791341 type: snfs size: 264 skew: 0.8993 c6: 121 c0: 64 Y1: 85070591730234615865843651857942052864 Y0: 54763699237492901685126120802225273763666521 rlim: 134000000 alim: 134000000 lpbr: 32 lpba: 32 mfbr: 94 mfba: 64 rlambda: 3.5 alambda: 2.8 Code:
MQ Norm_yield Speed (sec/rel) 35 3381 0.151 50 3291 0.163 75 2879 0.194 100 2654 0.211 140 2493 0.241 180 2183 0.273 205 1909 0.310 Aiming for fewer raw relations (old target was ~460M) due to observations by @VBCurtis. I’ll wait for Yoyo to wrap it up before enqueuing the job. Last fiddled with by swellman on 20220813 at 13:28 
20220822, 15:14  #105 
Sep 2008
Kansas
3,673 Posts 
QUEUED AS 51113_250
C251 from the NearRepdigit project, 51113_250. The SNFS difficulty is 250.71digit. Code:
n: 51111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111113 m: 1000000000000000000000000000000000000000000 c6: 23 c0: 850 skew: 1.83 type: snfs rlim: 134000000 alim: 134000000 lpbr: 31 lpba: 31 mfbr: 62 mfba: 62 rlambda: 2.7 alambda: 2.7 Code:
Q Yield NYld 20M 5472 5293 60M 4298 4486 100M 4100 4047 140M 3390 3651 Last fiddled with by swellman on 20220822 at 15:33 
20220824, 12:04  #106 
Sep 2008
Kansas
3,673 Posts 
QUEUED AS 21111_249
C250 from the NearRepdigit project, 21111_249. The SNFS difficulty is 250.28digit. Code:
n: 2111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111 m: 100000000000000000000000000000000000000000 c6: 19000 c0: 1 skew: 0.19 type: snfs rlim: 134000000 alim: 134000000 lpbr: 31 lpba: 31 mfbr: 62 mfba: 62 rlambda: 2.7 alambda: 2.7 Code:
Q Yield NYld 20M 6456 6245 60M 4887 5100 100M 4462 4404 124M 4422 4274 Last fiddled with by swellman on 20220824 at 14:20 
20220826, 11:48  #107 
Jun 2012
2×7×263 Posts 
QUEUED AS 11p3_254
11+3,254 is a SNFS 264 from the HCN project now ready for sieving on 15e_small. Code:
n: 67424057153850060120677779598359258132056887148905399271362551582217879519699108422784725600826084662672009166900497025803379070453570749977082733500637054989796931680909432338535168344460673746876997654857923342528013856780638780077430294609703515749 skew: 0.6485 type: snfs size: 264 c6: 121 c0: 9 Y1: 109418989131512359209 Y0: 54763699237492901685126120802225273763666521 rlim: 134000000 alim: 266000000 lpbr: 32 lpba: 32 mfbr: 94 mfba: 64 rlambda: 3.5 alambda: 2.8 Code:
MQ Norm_yield Speed (sec/rel) 35 4104 0.226 50 4045 0.235 75 3616 0.265 100 3421 0.307 150 3092 0.339 200 2549 0.388 Last fiddled with by swellman on 20220826 at 11:52 
20220901, 07:33  #108 
Aug 2020
79*6581e4;3*2539e3
601 Posts 
edit: I looked up this old factorisation, so I'll just use those parameters.
I am looking into test sieving for a C174 of aliquot 1992. Can I just use the CADO parameters for GGNFS? CADO has: Code:
tasks.I = 14 tasks.qmin = 39200000 tasks.lim0 = 48100000 tasks.lim1 = 67600000 tasks.lpb0 = 30 tasks.lpb1 = 31 tasks.sieve.mfb0 = 60 tasks.sieve.mfb1 = 90 tasks.sieve.ncurves0 = 15 tasks.sieve.ncurves1 = 8 Last fiddled with by bur on 20220901 at 07:59 
20220901, 11:30  #109  
Jun 2012
111001100010_{2} Posts 
Quote:
Code:
(29,2.5) (30,2.6) (31,2.7) (32,2.8) (33,3.0) (34,3.2) 

20220901, 14:05  #110 
Apr 2020
3^{2}·5·19 Posts 

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