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1 + 3 = 4

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What are the common factors of 9 and 12?

The factors of 9 are 1, 3, and 9. The factors of 12 are 1, 2, 3, 4, 6, and 12. The common factors are 1 and 3.


4Common factors for 9 and 12?

Factors of 9 are 1, 3, and 9; factors of 12 are 1, 2, 3, 4, 6, and 12. There are only two common factors of 9 and 12: 1 and 3.


What is the sum of all the common factors of 9 and 18?

To find the common factors of 9 and 18, we first need to list the factors of each number. The factors of 9 are 1, 3, and 9, while the factors of 18 are 1, 2, 3, 6, 9, and 18. The common factors of 9 and 18 are 1, 3, and 9. Adding these common factors together gives us a sum of 13.


What are the common factors for 12 and 9?

3, 4, and 7 are the common factors of 9 12 and 21.


What are the common factors of 9 15 and 12?

The common factors of 9, 12, and 15 are 1 and 3. The GCF is 3.


What is the least common factor of 9 12 and 15?

The factors of 9 are 1, 3, and 9. The factors of 12 are 1, 2, 3, 4, 6, and 12. The factors of 15 are 1, 3, 5, and 15. The common factors of 9, 12, and 15 are 1 and 3. Therefore, the least common factor (the smallest common factor) is 1.


What is the greatest common factor of 3 9 and 12?

The GCF of 3, 9, and 12 is 3. Factors of 3 - 1 and 3 Factors of 9 - 1, 3, and 9 Factors of 12 - 1, 2, 3, 4, 6, and 12 The factors that they have in common are 1 and 3. So the GCF, or Greatest Common Factor, is 3.


What is the common factor of 9 and 12?

The factors of 9 are 1, 3, and 9. The factors of 12 are 1, 2, 3, 4, 6, and 12. The common factors of 9 and 12 are 1 and 3.9 ~ 1,3,912 ~ 1,2,3,4,6,12


What are the common factors of 9 12 and 18?

The common factors are 1 and 3.


What are the greatest common factors of 9 and 12?

3


What are the common factors of 12 9?

They are: 1 and 3


What are common factors of 9 and 12?

1 and 3.