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The common denominator of any two or more whole numbers, such as 4 5 13 and 17, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.

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Q: Common denominators for 4 5 and 13 17?
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