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The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.

The greatest common factor of 63 and 90 is 9

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15y ago

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9

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12y ago
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Q: What is the greatest common factor of 63 and 90?
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