William F Hammond on Fri, 03 May 2013 22:20:52 +0200 |
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Re: factoring polynomials modulo non-prime |
Karim Belabas <Karim.Belabas@math.u-bordeaux1.fr> writes in part: > . . . > For your specific example (modulus = 32), it is easy to detect that the > the modulus is composite. But, in general, it is at least as costly to check > (let alone prove) primality of N, than it is to factor a polynomial of degree > O(1) over the finite field with N elements: I'm confused. The finite field with 32 elements is not the integers mod 32. ??? -- Bill