Revision history of "2001 IMO Problems/Problem 6"

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• (cur) (prev) 17:15, 22 October 2008 Dxuhuang (Talk | contribs) (125 bytes) (New page: 6. 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.)

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