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GCF of 6 and 9
What is the GCF of 6 and 9? - The GCF of 6 and 9 is 3.
Follow the step by step instructions on how to find the great common factor of 6 and 9.
What is the greatest common factor of 6 and 9?
How to find the gcf of 6 and 9?
Method 1 - Listing Factors
To find the gcf of 6 and 9, we first need to find the factors of 6 and 9 and then choose the greatest common factor that are dividable by both 6 and 9.
Factors of 6 = 1, 2, 3, 6
Factors of 9 = 1, 3, 9
The greatest common factor of 6 and 9 is 3, because 3 is the largest number that is divisible by both numbers.
Method 2 - Prime Factorization
Another method to find the greatest common factor of 6 and 9 is by using the prime factorization method.
To use prime factorization, we first need to find the prime factors of 6 and 9, and then get the GCF by multiplying all the common prime factors from the two sets.
Prime factorization of 6 = 2 x 3
Prime factorization of 9 = 3 x 3
Common prime factors = 3 = 3
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