Difference between revisions of "2001 IMO Problems/Problem 6"

Revision as of 02:56, 6 October 2014

$K > L > M > N$ are positive integers such that $KM + LN = (K + L - M + N)(-K + L + M + N)$ . Prove that $KL + MN$ is not prime.

This problem needs a solution. If you have a solution for it, please help us out by adding it.

@@ Line 1: / Line 1: @@
 == Problem 6 ==
- <math>K > L > M > N</math> are positive integers such that <math>KM + LN = (K + L - M + N)(-K + L + M + N)</math>. Prove that <math>KL + MN</math> is not prime.
+<math>K > L > M > N</math> are positive integers such that <math>KM + LN = (K + L - M + N)(-K + L + M + N)</math>. Prove that <math>KL + MN</math> is not prime.
 ==Solution==

2001 IMO (Problems) • Resources
Preceded by Problem 5	1 • 2 • 3 • 4 • 5 • 6	Followed by Problem 6
All IMO Problems and Solutions