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Old 2022-02-22, 19:38   #23
swellman
 
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QUEUED AS 8m7_289

8-7,289 is a HCN of SNFS difficulty 261 which is finishing up ECM courtesy of Yoyo.

Code:
n: 320288591141598111017629287623955760958050232962141342194215727116358853977337667736500985415645427314429679932706195592771558751512300977022043372562793225257974936838561105808097225460625400155254223021166554489191820629475019819
skew: 0.9780
type: snfs
size: 261
c6: 8
c0: -7
Y1: -36703368217294125441230211032033660188801
Y0: 22300745198530623141535718272648361505980416
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 91
rlambda: 2.7
alambda: 3.4
Results of test sieving on the rational side with Q in blocks of 1000:

Code:
MQ       Norm_yield       Speed (sec/rel)
40          1884               0.333
70          1756               0.408
100         1680               0.411
150         1448               0.426
200         1220               0.511
Suggesting a sieving range for Q of 35-200M to generate 260M raw relations.

Last fiddled with by swellman on 2022-02-23 at 13:02
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Old 2022-02-25, 13:46   #24
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QUEUED AS 8m5_289

8-5,289 is another HCN currently finishing ECM courtesy of Yoyo@Home. It is SNFS difficulty 261 and is ready for sieving.

Code:
n: 36860066201888512290940086443141501667418852463621850457460187197232158243824348473033724380872791936275622703788081798388348161214255491322846973107383191607807366614269629612852353409309005651396853345000070868081990769485029162193001
skew: 0.9247
type: snfs
size: 261
c6: 8
c0: -5
Y1: -3552713678800500929355621337890625
Y0: 22300745198530623141535718272648361505980416
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 91
rlambda: 2.7
alambda: 3.4
Test sieving results on the rational side with Q in blocks of 1000:

Code:
MQ       Norm_yield       Speed (sec/rel)
40          2165               0.284
70          1955               0.300
100         1870               0.333
150         1678               0.375
200         1524               0.498
Suggesting a sieving range for Q of 38-180M to generate 260M relations.

Last fiddled with by swellman on 2022-02-26 at 11:58
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Old 2022-02-26, 10:29   #25
RichD
 
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QUEUED AS 77797_245

C245 from the Near-Repdigit project, 77797_245.
This is a 30/31 hybrid. The SNFS difficulty is 246.85-digit.
Code:
n: 77777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777797
m: 100000000000000000000000000000000000000000
deg: 6
c6: 7
c0: 1730
skew: 2.51
type: snfs
rlim: 67000000
alim: 134000000
lpbr: 30
lpba: 31
mfbr: 60
mfba: 62
rlambda: 2.6
alambda: 2.7
Trial sieving 5K blocks.
Code:
  Q  Yield
 18M 11574
 20M 11639
 50M  9726
 80M  7925
120M  7222
126M  7502

Last fiddled with by swellman on 2022-02-26 at 11:49
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Old 2022-02-26, 12:28   #26
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QUEUED AS 3m2_547

3-2,547 is the latest HCN to complete ECM courtesy of Yoyo. It has a SNFS difficulty of 261.

Code:
n: 770177376353697466791505430075493877505152820529371332466545483887306496397260799920627466007234568306634643761141159015186228570861062445777630998022787861665754250857019039412378605046595881475542154798190667550481798099808603119690022470439658940397
skew: 0.9347
type: snfs
size: 261
c6: 3
c0: -2
Y1: -2475880078570760549798248448
Y0: 26183890704263137277674192438430182020124347
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 91
mfba: 62
rlambda: 3.4
alambda: 2.7
Results of test sieving on the rational side with Q in blocks of 1000:

Code:
MQ        Norm_yield       Speed (sec/rel)
40           2489               0.239
70           2059               0.329
100          1932               0.278
150          1552               0.373
200          1414               0.469
Suggesting a sieving range for Q of 38-180M to generate 260M raw relations.

Last fiddled with by swellman on 2022-02-27 at 02:41
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Old 2022-02-26, 22:04   #27
RichD
 
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QUEUED AS 16669_245

C245 from the Near-Repdigit project, 16669_245.
The SNFS difficulty is 246.00-digit.
Code:
n: 166666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666669
m: 100000000000000000000000000000000000000000
deg: 6
c6: 1
c0: 14
skew: 1.55
type: snfs
rlim: 67000000
alim: 67000000
lpbr: 30
lpba: 30
mfbr: 60
mfba: 87
rlambda: 2.6
alambda: 3.4
Trial sieving 5K blocks.
Code:
  Q  Yield
 18M 12800
 20M 12872
 50M 10754
 80M  8928

Last fiddled with by swellman on 2022-02-27 at 02:06
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Old 2022-02-27, 16:49   #28
RichD
 
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QUEUED AS 17111_242

C244 from the Near-Repdigit project, 17111_242.
The SNFS difficulty is 244.19-digit.
Code:
n: 1711111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
m: 10000000000000000000000000000000000000000
deg: 6
c6: 15400
c0: -1
skew: 0.20
type: snfs
rlim: 67000000
alim: 67000000
lpbr: 30
lpba: 30
mfbr: 60
mfba: 87
rlambda: 2.6
alambda: 3.4
Trial sieving 5K blocks.
Code:
  Q  Yield
 18M 11801
 20M 11631
 50M  8547
 80M  7849
 90M  7954

Last fiddled with by swellman on 2022-03-01 at 00:20
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Old 2022-02-28, 21:21   #29
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QUEUED AS 61113_249

C250 from the Near-Repdigit project, 61113_249.
The SNFS difficulty is 252.14-digit.
Code:
n: 6111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111113
m: 500000000000000000000000000000000000000000
deg: 6
c6: 88
c0: 425
skew: 1.30
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 62
rlambda: 2.7
alambda: 2.7
Trial sieving 5K blocks.
Code:
  Q  Yield
 20M 12637
 50M 10866
 80M  9477
120M  9160
144M  8625

Last fiddled with by swellman on 2022-03-01 at 14:54
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Old 2022-03-06, 14:39   #30
RichD
 
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QUEUED AS 33343_239

C239 from the Near-Repdigit project, 33343_239.
The SNFS difficulty is 240.00-digit.
Code:
n: 33333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333343
m: 10000000000000000000000000000000000000000
c6: 1
c0: 290
skew: 2.57
type: snfs
rlim: 67000000
alim: 67000000
lpbr: 30
lpba: 30
mfbr: 60
mfba: 60
rlambda: 2.6
alambda: 2.6
Trial sieving 5K blocks.
Code:
  Q  Yield
 18M 11914
 20M 11944
 50M  9479
 80M  7621
 88M  7938

Last fiddled with by swellman on 2022-03-06 at 15:36
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Old 2022-03-14, 16:57   #31
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QUEUED AS f76_145p1

(76^145+1)/171482389200252458221480442181043406423041840967916864047058380369596676506240427 from the extended Brent tables:
Code:
# Estimated SNFS difficulty 218., GNFS equivalent 174, GNFS difficulty 193, degree 4
n: 3046150488905565831531562421718467300562383421685525620521613449234769492260144747808730373648034224884794817288851696240404097298767359237433471606785946829571328371622265591710382731964910851
# 76^145+1^145, difficulty: 218.17, skewness: 1.00, alpha: 1.45
# cost: 6.616e+17, est. time: 315.05 GHz days (not accurate yet!)
skew: 1.000
c4: 1
c3: -1
c2: 1
c1: -1
c0: 1
Y1: -1
Y0: 3496183156153757826996482351208459912924449087659442176
m: 3496183156153757826996482351208459912924449087659442176
type: snfs
# msieve rating: skew 1.00, size 3.116e-22, alpha 1.694, combined = 2.902e-13 rroots = 0
skew: 1.00
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 30
mfbr: 62
mfba: 60
rlambda: 2.6
alambda: 2.6
ECMed to T50 + 4864 @ 11e7.

Test sieving 10k ranges:
Code:
  Q  yield
 34M 23362
 84M 29750
134M 31653
184M 30584
It's a 30/31 bit job so sieving from 34M to 106M on the rational side should generate about 200M relations (enough for a decent matrix and a little to spare).

I'll do the LA.

Last fiddled with by swellman on 2022-03-14 at 17:21
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Old 2022-03-14, 19:07   #32
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QUEUED AS 11p9_251

11+9,251 is a HCN which has just finished with ECM on Yoyo@Home. It is a SNFS job of difficulty 261, now ready for sieving.

Code:
n: 5507055008503847175427511836444905477655887936904443750226051734874957287516406651481980830600296706186305964116385320439184175993965217750449712142253210690764509266067631759794594378142148043497899052874021952102052057
skew: 1.0340
type: snfs
size: 261
c6: 9
c0: 11
Y1: -11972515182562019788602740026717047105681
Y0: 54763699237492901685126120802225273763666521
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 91
mfba: 62
rlambda: 3.4
alambda: 2.7
Results of test sieving on the rational side with Q in blocks of 1000:

Code:
MQ       Norm_yield      Speed (sec/rel)
40          1934              0.359
70          1706              0.433
100         1518              0.470
150         1321              0.550
200         1129              0.674
250         1111              0.637
Suggesting a sieving range for Q of 36-215M to generate 260M raw relations.

Last fiddled with by swellman on 2022-03-14 at 19:32
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Old 2022-03-15, 11:36   #33
swellman
 
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[B]QUEUED AS 9p7_313[/B]

9+7,313 is a c176 cofactor from the HCN project ready for factoring, best accomplished as a GNFS job on 15e_small.


Code:
n: 78843157761124969315587837918376120020673977495146866536503374331150581966912191403137620791580812931050325866821847754132831737430550505783726834338788688491040955957006925267
skew: 20342150.27
lss: 0
type: gnfs
c0: -5377962198161983727052124489126551577629600
c1: 1771437999969865121833151878911970092
c2: 187537198432561329143534184052
c3: -6936139847659631621153
c4: -566687942257278
c5: 8383320
Y0: -6232604848911270864558578513802319
Y1: 18033458842268629
# norm 3.859232e-17 alpha -8.283314 e 1.429e-13 rroots 3
lpbr: 31
lpba: 31
mfbr: 62
mfba: 91
rlim: 266000000
alim: 134000000
rlambda: 2.8
alambda: 3.5
Results of test sieving on the algebraic side with Q in blocks of 1000:

Code:
MQ       Norm_yield       Speed (sec/rel)
30          3366               0.293
50          3327               0.346
70          3236               0.349
100         2911               0.417
150         2848               0.460
Suggesting a sieving range for Q of 30-115M to generate 260M raw relations.

Last fiddled with by swellman on 2022-03-15 at 15:39 Reason: Job canceled and resubmitted on 15e
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