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 2021-11-22, 22:59 #1 bhelmes     Mar 2016 23×47 Posts searching a factor with a bilinear form A peaceful and pleasant night, I am missing a little bit the sunshine, november in Germany is not the best time. If I have a bilinear form mod f such as (a b) (b d) a, b, d elements of N this could be understand as a lattice in the cartesian coordinate system which deliver a function value for the vector (n,m) I am looking for a factor of f and thought a simple solution would be deriving a polynomial for one variable, calculating the polynomial from n=0 up to n=max, multipling these terms mod f together and making then a gcd. Nevertheless there might be better ways to solve this problem. If you know a tricky way to solve faster the problem, give me some lines, please.

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