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Old 2022-03-14, 16:57   #31
chris2be8
 
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Sep 2009

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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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