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The greatest common factor of 30 and 135 is 15
One way to determine the greatest common factor is to find all the factors of the numbers and compare them.
The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.
The factors of 135 are 1, 3, 5, 9, 15, 27, 45, and 135.
The common factors are 1, 3, 5, and 15. Therefore, the greatest common factor is 15.
The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.
The prime factors of 30 are 2, 3, and 5.
The prime factors of 135 are 3, 3, 3, and 5.
The prime factors in common are 3 and 5, so the greatest common factor is 3 x 5 = 15.
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What is the greatest common factor of 30 60 135?
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