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Since 27 is a factor of 81, it is automatically the GCF.
It is: 27

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8y ago

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The greatest common factor of 81 and 27 is 9.

9 x 9 = 81
9 x 3 = 27

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10y ago
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Assuming GFC is meant to be GCF, the answer is 27.

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12y ago
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27

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16y ago
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Q: What is the greatest common factor of 27 and 81?
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What is the greatest common factor of 27 36 and 81?

The greatest common factor (GCF) of 27, 36, and 81 is 9. To find the GCF, we need to determine the largest number that divides evenly into all three numbers. In this case, 9 is the largest number that is a factor of 27, 36, and 81, making it the greatest common factor.


What is the relationship between 27 and 81?

Their greatest common factor is 27


What are the greatest common factor of 21 and 27 81?

The HCF or GCF is 3.


What is the greatest common factor of 54 and 81?

The GCF of 54 and 81 is 27One way to determine the greatest common factor is to find all the factors of the numbers and compare them.The factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54.The factors of 81 are 1, 3, 9, 27, and 81.The common factors are 1, 3, 9, and 27. Therefore, the greatest common factor is 27.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 54 are 2, 3, 3, and 3.The prime factors of 81 are 3, 3, 3, and 3.The prime factors in common are 3, 3, and 3, so the greatest common factor is 3 x 3 x 3 = 27. Factors of 54: 1 2 3 6 9 18 27 54 Factors of 81: 1 3 9 27 81 The GCF of 54 and 81 is 27The Greatest Common Factor (GCF) is: 27 .27.


What is the greatest common factor of 81?

There is not a greatest common factor of 81 because there cannot be a greatest common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common.The factors of 81 are 1, 3, 9, 27, and 81.The prime factors of 81 are 3, 3, 3, and 3.Examples:The greatest common factor of 54 and 81 is 27.The greatest common factor of 81 and 117 is 9.You need at least two numbers to find a GCF.You need at least two numbers to find a GCF.