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6.

The GCF or Greatest Common Factor is the greatest factor shared by a group of numbers. To find it, list the factors of the numbers and circle all the common factors. The, choose the greatest one, the GCF.

6: 1, 2, 3, 6

18: 1, 2, 3, 6, 18

72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 35, 72

As you can see, the common factors are 1, 2, 3, and 6, the greatest of which is 6.

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Q: What is the greatest common factor of 6 and 18 and 72?

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Related questions

The Greatest Common Factor is 18

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.

The greatest common factor of the numbers 18, 30 and 72 is 6.

The greatest common factor of 54 and 72 is 18.

The Greatest Common Factor of 36 and 72 is 36.

The greatest common factor is 18.

It is: 18

18

Since 18 is a factor of 72, it is automatically the GCF.

Since 18 is a factor of 72, it is automatically the GCF.

The least common factor of any set of positive integers is 1. 72 is the least common multiple of 72 and 18. 18 is the greatest common factor of 72 and 18.

18

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