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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 21, 49, and 70 is 7

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14y ago
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8y ago

The GCF of 21, 49, and 80 is 1.

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10y ago

The GCF is 7.

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10y ago

The GCF is 7.

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12y ago

GCF(21, 49, 80) = 1

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11y ago

It is 7

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8y ago

It is: 7

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7y ago

It is: 7

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Q: What is the greatest common factor of 21 14 and 70?
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