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Old 2020-07-06, 15:48   #2420
chris2be8
 
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Sep 2009

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QUEUED AS f21_188p1

(21^188+1)/1902188735102433410617318127445714977955738392928258562 from the Brent tables:
Code:
# Built Sun Jul  5 17:48:21 2020
# Estimated SNFS difficulty 249, GNFS equivalent 181, GNFS difficulty 195, degree 6
n: 198597512519787418971707751679034340185362323955552237609725988408008994509819845432021807869323108269320875858734654797071694336228128855939826321232221483275039377727560592316095740323138396201
type: snfs
c6: 441
c0: 1
# Y0 = 21^31
Y0: 97453656071460446110921078004886769746621
# Y1 = 1^0
Y1: 1
# msieve rating: skew 0.36, size 2.791e-12, alpha 0.009, combined = 2.515e-13 rroots = 0
skew: 0.36
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 91
rlambda: 2.6
alambda: 3.5
Sieve with 14e from 20M to 170M on the rational side.

Test sieving 10k ranges:
Code:
  Q  Yield
 20M 20493
 80M 15211
134M 13938
160M 13849
220M 12304
Chris

Last fiddled with by swellman on 2020-07-06 at 17:42
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