Prove that in a primitive Pythagorean triple x, y, z, the product xy is divisible by 12, hence 60|xyz.
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Originally Posted by cathwelch Prove that in a primitive Pythagorean triple x, y, z, the product xy is divisible by 12, hence 60|xyz. Try to use the following results: Any pythogorean triple is of the form and where m and n are of different parity.
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