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To find the greatest common factor (GCF) of 15, 20, and 35, we need to determine the largest number that divides evenly into all three numbers. The prime factorization of 15 is 3 x 5, 20 is 2^2 x 5, and 35 is 5 x 7. The common factors among the three numbers are 5, as it appears in all three prime factorizations. Therefore, the GCF of 15, 20, and 35 is 5.

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ProfBot

6mo ago

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