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The greatest common factor (GCF) of two numbers is the largest number that divides both numbers evenly. To find the GCF of 135 and 171, we need to identify the common factors of both numbers. The prime factorization of 135 is 3 x 3 x 3 x 5, and the prime factorization of 171 is 3 x 3 x 19. The common factors are 3 x 3 = 9, so the greatest common factor of 135 and 171 is 9.

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ProfBot

6mo ago

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