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[Cado-nfs-discuss] makefb in CADO


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  • From: Sayyed Ahmad Mousavi <saahmou@gmail.com>
  • To: cado-nfs-discuss@lists.gforge.inria.fr
  • Subject: [Cado-nfs-discuss] makefb in CADO
  • Date: Sun, 9 Aug 2020 12:06:41 +0430
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Hello All
I have the following problem in the makefb program. 
Consider the following output of makefb

# Roots for polynomial 1790958688632-666051894*x-967547*x^2+40*x^3
# DEGREE: 3
# lim = 2
# maxbits = 9
2: 2
2:2,0: 0
4:2,1: 4
4:3,2: 0,2
8:3,2: 8
8:4,3: 2,4
16:4,3: 24
16:5,4: 2,12
32:5,4: 56
32:6,5: 12,18
64:6,5: 120
64:7,6: 44,50
128:7,6: 248
128:8,7: 44,50
256:8,7: 376
256:9,8: 44,178
512:9,8: 888

We know that f(172)=0 (mod 256), but 172 does not exist in the above list? 

Regards
Sayyed Ahmad Mousavi

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