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Old 2020-05-23, 15:47   #2388
chris2be8
 
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Sep 2009

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QUEUED AS f75_131m1

(75^131-1)/59563948827208938194 from the Brent tables.
Code:
# Built Fri May 22 20:05:45 2020
# Estimated SNFS difficulty 248, GNFS equivalent 179, GNFS difficulty 226, degree 6
n: 7211772571418675581583804959042112603057903178992392752895967191856314959105898899958374258910514947575456897554643486368414986617239099336916798534887782510693452422361646044387414561489572459800131239629454975072142514536721
type: snfs
c6: 1
c0: -75
# Y0 = 75^22
Y0: 178380671565037118853069841861724853515625
# Y1 = 1^0
Y1: 1
# msieve rating: skew 2.05, size 3.126e-12, alpha 1.116, combined = 2.711e-13 rroots = 2
skew: 2.053
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 91
rlambda: 2.6
alambda: 3.5
Sieve with 14e from 20M to 160M on the rational side.

Test sieving 10k blocks:
Code:
  Q  yield
 20M 22736
 80M 16607
134M 15520
160M 14951
220M 13388
Chris

Last fiddled with by swellman on 2020-05-23 at 16:47
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