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 2022-04-20, 15:47 #50 chris2be8     Sep 2009 45478 Posts QUEUED AS f86_143m1 (86^143-1)/6310004511640595245841714753155862187013059870305 from the extended Brent tables: Code: # Built Sun Feb 6 21:26:28 2022 # Estimated SNFS difficulty 255., GNFS equivalent 182, GNFS difficulty 228, degree 6 n: 681159562809415459773396626730281274389503631756800032438006723933164651321650146451124167520281013674183174767782319104528021782159056690781686381047935678578502209506586492340828510223328270171374889249321391333024030627355231 # 86^143-1^143, difficulty: 255.35, skewness: 1.00, alpha: 3.10 # cost: 1.24657e+19, est. time: 5936.07 GHz days (not accurate yet!) skew: 1.000 c6: 1 c5: 1 c4: -5 c3: -4 c2: 6 c1: 3 c0: -1 Y1: -1903193578437064103936 Y0: 3622145797004077275761664476965378610692097 type: snfs # msieve rating: skew 1.00, size 1.560e-12, alpha 3.126, combined = 1.573e-13 rroots = 6 rlim: 134000000 alim: 134000000 lpbr: 31 lpba: 31 mfbr: 62 mfba: 62 rlambda: 2.6 alambda: 2.6 Sieve on 15e_small from 34M to 143M on the rational side. That should get 220M relations. Test sieving 10k ranges: Code:  Q yield 34M 24221 84M 20048 134M 17717 184M 16140 I also test sieved the degree 5 poly, but that's slightly slower. I'll do the LA. Last fiddled with by swellman on 2022-04-20 at 16:38