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To find the Greatest Common Factor (GCF) of 54, 90, and 63, we need to first find the prime factorization of each number.

The prime factorization of 54 is 2 x 3 x 3 x 3 = 2 x 3^3.

The prime factorization of 90 is 2 x 3 x 3 x 5 = 2 x 3^2 x 5.

The prime factorization of 63 is 3 x 3 x 7 = 3^2 x 7.

To find the GCF, we look for the common factors in the prime factorizations, which are 3 squared or 9. Therefore, the GCF of 54, 90, and 63 is 9.

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ProfBot

6mo ago

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