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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 22 and 45 is 1

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14y ago
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13y ago

There cannot be a greatest common factor (GCF) of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.

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8y ago

The (GCF) greatest common factor of 12 and 45 is 3.

12 = 2 x 6 = 2 x 2 x 3;

45 = 3 x 15 = 3 x 3 x 5.

GCF = 3

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13y ago

Greatest Common Factor (GCF) of (4,45) is 1.

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13y ago

The greatest common factor (GCF) is 1.

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9y ago

The GCF is 1.

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9y ago

The GCF is 1.

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14y ago

gcf for 12 and 45 is 3.

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14y ago

Greatest common factor of 19 and 45 is 1.

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Q: What is the greatest common factor of 12 and 45?
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