Best Answer

The factors of the numbers are

12: 1, 2, 3, 4, 6, and 12

15: 1, 3, 5, and 15

30: 1, 2, 3, 5, 6, 10, 15, and 30

The GCF of the three numbers is the largest number that is a factor of all three numbers, which is 3.

Q: What is the greatest common factor of 12 15 and 30?

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The greatest common factor of the numbers 15 and 12 is 3.

The GCF of 12 and 15 is 3. factors of 12: 1, 2, 3, 4, 6 and 12. factors of 15: 1, 3, 5, and 15. common factors 1 and 3. Since 3 > 1, 3 is the Greatest Common Factor.

There is no "greatest common multiple" for any pair of numbers. If you meant greatest common factor, the answer is 3.

The GCF is... 1! 1 is the only factor common to all three numbers.

The Greatest Common Factor of 8, 10, 15: 1

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The Greatest Common Factor of 12, 44, 15: 1

the greatest common factor of 6,12, and 15 is 3.

3

The GCF is 15.

The greatest common factor of the numbers 15 and 12 is 3.

The Greatest Common Factor of 12, 15 is 3.

It is 1

1

3

3

1

3