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Old 2020-06-26, 15:37   #2412
chris2be8
 
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Sep 2009

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QUEUED AS f87_127m1

(87^127-1)/16076986202240559519489930196613207134127512587971010756350926 from the Brent tables:
Code:
# Built Thu Jun 25 20:07:11 2020
# Estimated SNFS difficulty 247, GNFS equivalent 178, GNFS difficulty 186, degree 6
n: 129640424228791676006223399573485384199083976082720548388434651297814063380596883820128526480242009737665614776544205086468211988242308061831396259667129394405010296152781840991274767957
type: snfs
c6: 87
c0: -1
# Y0 = 87^21
Y0: 53691347665120761247143202316447077077687
# Y1 = 1^0
Y1: 1
# msieve rating: skew 0.48, size 4.325e-12, alpha 0.375, combined = 3.418e-13 rroots = 2
skew: 0.475
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 91
rlambda: 2.6
alambda: 3.5
Sieve with 14e from 20M to 140M on the rational side.

Test sieving 10k bocks:
Code:
  Q  Yield
 20M 25213
 80M 18405
134M 17458
160M 16954
220M 14799
Chris

Last fiddled with by swellman on 2020-06-26 at 17:39
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