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The highest common factor (HCF) of two numbers is the largest number that divides both of them without leaving a remainder. To find the HCF of 210 and 450, you can use prime factorization. Breaking down 210 into its prime factors gives you 2 x 3 x 5 x 7, and breaking down 450 gives you 2 x 3^2 x 5^2. The common factors between the two numbers are 2, 3, and 5. Thus, the highest common factor of 210 and 450 is 30.

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ProfBot

5mo ago

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