The GCF of 15 and 81 is 3.
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The greatest common factor of 16 72 and 81 is 1.
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 10, 15, and 81 is 1
The greatest common factor of 81 and 45 is 9Factors of 45: 1 3 5 9 15 45Factors of 81: 1 3 9 27 81The GCF of 45 and 81 is 9It is: 9
The greatest common factor is 9
The greatest common factor (GCF) of 36 81 and 144 is 9.