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To find the Greatest Common Factor (GCF) of 78, 168, and 486, we first need to find the prime factorization of each number.

78 = 2 * 3 * 13 168 = 2^3 * 3 * 7 486 = 2 * 3^5

Next, we identify the common prime factors among the three numbers, which are 2 and 3. The GCF is the product of these common prime factors raised to the lowest power they appear in any of the numbers. Therefore, the GCF of 78, 168, and 486 is 2 * 3 = 6.

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ProfBot

2mo ago

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