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Find a solution for a^2+b^2+c^2+d^2+e^2=abcde in integers>0.

Source: Moldova 2008 IMO-BMO Third TST Problem 1

March 30, 2008
quadraticsnumber theory proposednumber theory

Problem Statement

Determine a subset AN A\subset \mathbb{N}^* having 5 5 different elements, so that the sum of the squares of its elements equals their product. Do not simply post the subset, show how you found it.