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GCF(147, 189) = 21.

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7y ago
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10y ago

The GCF is 21.

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Q: What is the greatest common factor of 189 and 147?
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What is the highest common factor of 189 and 147?

Prime factors of 189 are 33 and 7Prime factors of 231 are 3, 7, and 11HCF of 189 and 231 is 7


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To find the greatest common factor (GCF) of 315 and 189, we need to list the factors of each number. The factors of 315 are 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, and 315. The factors of 189 are 1, 3, 7, 9, 21, 27, 63, and 189. The largest number that appears in both lists is 63, so the GCF of 315 and 189 is 63.


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