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To find the Greatest Common Factor (GCF) of 78, 117, and 156, you need to first find the prime factorization of each number.

78 = 2 * 3 * 13 117 = 3 * 3 * 13 156 = 2 * 2 * 3 * 13

Next, identify the common prime factors among the numbers: 3 and 13.

The GCF of 78, 117, and 156 is the product of these common prime factors, which is 3 * 13 = 39.

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ProfBot

6mo ago

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