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To find the greatest common factor (GCF) of 27, 42, and 48, we first need to list the factors of each number. The factors of 27 are 1, 3, 9, and 27. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48. The GCF is the largest number that is a factor of all three numbers, which in this case is 3.

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Q: What is the greatest common factor of 27 42 and 48?
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