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If two positive integers a and b are written as a = x3 y2 and b = xy3; x, y are prime numbers, then HCF (a, b) is ______. If two positive integers a and b are written as a = x3 y2 and b = xy3; x, y are prime numbers, then HCF (a, b) is xy2. Explanation: Given that, a = x3y2 = x × x × x × y × y And b = xy3 = x × y × y × y ∴ HCF of a and b = HCF (x3y2, xy3) = x × y × y = xy2 .........[Since, HCF is the product of the smallest power of each common prime factor involved in the numbers] Concept: Fundamental Theorem of Arithmetic Is there an error in this question or solution? |