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2 x 3 x 3 x 3 = 54
3 x 3 x 3 x 7 = 189
Select the common factors.
3 x 3 x 3 = 27, the GCF
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 135 and 189 is 27
Since 27 is a factor of 189, it is automatically the GCF.
The GCF of 66 and 189 is 3.
The GCF is 1
The GCF is 1.