The GCF of 28 and 54 is 2.
One way to determine the greatest common factor is to find all the factors of the numbers and compare them.
The factors of 28 are 1, 2, 4, 7, 14, and 28.
The factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54.
The common factors are 1 and 2. Therefore, the greatest common factor is 2.
The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.
The prime factors of 28 are 2, 2, and 7.
The prime factors of 54 are 2, 3, 3, and 3.
The prime factors in common are a single 2, so the greatest common factor is 2.
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The greatest common factor of 54 and 80 is 2
The greatest common factor of 54 and 90 is 18.
The Greatest Common Factor (GCF) of 36, 54, and 63 is: 9
The Greatest Common Factor is 6
Since 27 is a factor of 54, and 27 cannot have a larger factor than itself, the greatest common factor of 27 and 54 is 27.