Unformatted text preview: (4) Suppose that ( u, v ) = 1. Show that ( u + v, u − v ) is either 1 or 2. (5) Show that if n is not a prime, then n has a prime divisor ≤ √ n . Department of Mathematics, McGill University, Montreal, QC, H3A 2K6 Canada Email address : [email protected] 1...
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 Fall '07
 Goren
 Algebra, Integers, Prime number, Montreal, Email address, McGill University, Department of Mathematics, quart jug

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