## What Is The Common Factors Of 9 And 18?

Question

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## Answers ( 5 )

The numbers 1, 3, and 9 are the only factors that both 9 and 18 share. Therefore, 9 is both a divisor of 18 and its greatest common factor.

If you write CGF(9, 18), you’ll know that 9 is the 9th greatest common factor of 9 and 18, respectively.

Explanation:

1, 3, 9, and 1, 2, 3, 6, 9, and 18 are the factors of 9.Since 9 is the largest divisor by which all of these other numbers can be divided evenly, it is clear that this is the GCF or quotient.

What number has the most in common with 9 and 18?

When to Use the Factor Pair Method: To find the greatest common factor, the factor pair method is usually better than the prime factorization method when the numbers in the set are small. This is because small numbers usually have fewer factors than large numbers. This means that finding all the factors of a given number takes less time with the factor pair method.