MOD PythagoreanTripletFormula

Problem - 2298
Show that for any right triangle whose sides' lengths are all integers, - one side's length must be a multiple of 3, and - one side's length must be a multiple of 4, and - one side's length must be a multiple of 5 Please note these sides may not be distinct. For example, in a 5-12-13 triangle, 12 is a multiple of both 3 and 4.

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