Top Answer

The factors of 18 are: 1, 2, 3, 6, 9, 18

The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54

The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

The common factors are: 1, 2, 3, 6, 9, 18

- The Greatest Common Factor (GCF) is: 18

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The GCF is 18.

The GCF of 18, 54, and 72 is 18.The GCF is 18.

The GCF is 18.

The GCF is 18.

The GCF is 18.

The GCF is 18.

The GCF is 18.

GCF is 18:54 = 18 x 372 = 18 x 490 = 18 x 5

The GCF is 18.

The GCF is 18.

GCF(36, 54, 72) = 18.

It is: 18.

The GCF is 18.

The GCF is 18.

It is: 18

9

The GCF is 18.

The GCF is 18.

The GCF is 18.

Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72.Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54.GCF (72, 54) = 18

The GCF is 18.

The GCF is 18.

The GCF is 18.

The GCF is 18.

The GCF is 18.