There can be only one greatest common factor for any set of numbers. GCF(40, 20) = 20.
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The Greatest Common Factor of 40 and 250 is 10.
Since 20 is a factor of 40, it is automatically the GCF.
The Greatest Common Factor (GCF) is: 40
The GCF is 20.
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, 40, and 100 is 20.