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Old 2022-02-22, 19:38   #23
swellman
 
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Jun 2012

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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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