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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 18, 45, 63, and 81 is 9

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The GCF is 9.

Q: What is the greatest common factor of 18 45 63 and 81?

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9 is the greatest common factor of 18, 45 and 54.

The greatest common factor of 18 and 45 is 9.

The Greatest Common Factor of 18, 36, and 45 is 9

The GCF is 9.

The greatest common factor of 45 and 225 is 15.The GCF is: 45

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9 is the greatest common factor of 18, 45 and 54.

The Greatest Common Factor of 45, 85, 63 and 18 is 1.

The GCF is 3.

The greatest common factor (GCF) of 18, 45, and 144 is 9.

The greatest common factor of 18 and 45 is 9.

The Greatest Common Factor (GCF) is: 9

The Greatest Common Factor of 18, 36, and 45 is 9

It is 9

The GCF is 9.

It is: 9

The GCF is 9.

The LCM of 18 and 45 is 90, and their GCF is 9.