The Greatest Common Factor of 18, 36, and 72 is 18. Since 18 is a factor of 36 and 72, it is automatically the GCF.
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The greatest common factor (GCF) of 18, 36, and 72 is 18. To find the GCF, you can first list the factors of each number: 18 (1, 2, 3, 6, 9, 18), 36 (1, 2, 3, 4, 6, 9, 12, 18, 36), and 72 (1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72). Then, identify the largest factor that is common to all three numbers, which in this case is 18.
Greatest common factor of 18 36 and 90 is 18.
18
6
The GCF is 18.
The GCF is 6.