1, 2, 3, 6, 9, 18, 27, 54
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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.
The greatest common factor of 54 and 90 is 18.
The greatest common factor of 54 and 80 is 2
The GCF of 54 and 108 is 54. Since 54 is a factor of 108, it is automatically the GCF. You can also write the factors of 54 and 108, and find the one that's highest: The factors of 54 are 1, 2, 6, 9, 27, and 54 The factors of 108 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, and 108 So the GCF (greatest common factor) is 54
The GCF (Greatest Common Factor) of 54 and 135 is: 27