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 39 and 87 is 3
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The factors of 39 are: 1, 3, 13, 39.The factors of 87 are: 1, 3, 29, 87.The common factors are: 1, 3.The Greatest Common Factor (GCF) is: 3
The greatest common factor of 87 , 120 = 3
The Greatest Common Factor (GCF) is: 3
The common factors are: 1, 3 The Greatest Common Factor (GCF) is: 3
The GCF of 24 and 87 is 3.