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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 20, 28, and 40 is 4.

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12y ago

The GCF is: 4

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Q: What is the greatest common factor of 20 and 28 and 40?
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What is the greatest common factor GCF of 20 28 and 36?

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What is the greatest common factor of 20 28 and 36?

The Greatest Common Factor (GCF) of 20, 28, and 36 is 4. The factors of 20 are 1, 2, 4, 5, and 10. Since ten is not a factor for either 28 or 36, we can remove it from consideration. Five, likewise, is not a factor for either 28 or 36, so it can be removed as well. This leaves four, which is the greatest common factor for all three numbers.


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What is the greatest common factor of 20 28 and 34?

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 20, 28, and 34 is 2