It is a factor of 132, not a prime factor.
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The greatest common factor (GCF) of 102 and 132 is 6.
6 is not a prime number but it is a factor of 72
One way to determine the greatest common factor is to find all the factors of the numbers and compare them.The factors of 132 are 1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, and 132.The factors of 220 are 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, and 220The common factors are 1, 2, 4, 11, 22, and 44. Therefore, the greatest common factor is 44.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 132 are 2, 2, 3, and 11.The prime factors of 220 are 2, 2, 5, and 11.The prime factors in common are 2, 2, and 11, so the greatest common factor is 2 x 2 x 11 = 44.The GCF of 132, 220 is 44.
132 is a composite number. If a number ends in 0, 2, 4, 6 or 8 it is even and is divisible by 2. So it cannot be prime, it is composite.