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Old 2022-04-17, 10:57   #49
swellman
 
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Jun 2012

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Default 8-7,319

QUEUED AS 8m7_319

8-7,319 is a HCN now finishing ECM (28,000+ curves @B1=260e6). It is a SNFS difficulty 261 with an obligatory quintic polynomial to be run on 15e_small as a hybrid 32/31 job.

Code:
n: 7841051939565097445799372445694382262086264641476656318828845467644056934331339059401309282799808357131329986564669431927126387902386546701779104872174537849138037193664753682273547188965246355852107510097
skew: 1.0000
type: snfs
size: 261
c5: 1
c4: 1
c3: -4
c2: -3
c1: 3
c0: 1
Y1: -498256282230823722187324267943936643753714170986496
Y0: 23955610619105832256039421037951177249181011733605233
rlim: 134000000
alim: 134000000
lpbr: 32
lpba: 31
mfbr: 96
mfba: 62
rlambda: 3.5
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          2269               0.340
70          2165               0.381
100         2133               0.433
150         2054               0.501
200         1966               0.492
250         1627               0.550
Suggesting a sieving range for Q of 40-210M to generate 355M raw relations.

Last fiddled with by swellman on 2022-04-17 at 11:18
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