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Online Calculators > Math Calculators
GCF of 423 and 369
What is the GCF of 423 and 369? - The GCF of 423 and 369 is 9.
Follow the step by step instructions on how to find the great common factor of 423 and 369.
What is the greatest common factor of 423 and 369?
How to find the gcf of 423 and 369?
Method 1 - Listing Factors
To find the gcf of 423 and 369, we first need to find the factors of 423 and 369 and then choose the greatest common factor that are dividable by both 423 and 369.
Factors of 423 = 1, 3, 9, 47, 141, 423
Factors of 369 = 1, 3, 9, 41, 123, 369
The greatest common factor of 423 and 369 is 9, because 9 is the largest number that is divisible by both numbers.
Method 2 - Prime Factorization
Another method to find the greatest common factor of 423 and 369 is by using the prime factorization method.
To use prime factorization, we first need to find the prime factors of 423 and 369, and then get the GCF by multiplying all the common prime factors from the two sets.
Prime factorization of 423 = 3 x 3 x 47
Prime factorization of 369 = 3 x 3 x 41
Common prime factors = 3 x 3 = 9
GCF of 422 and 369
GCF of 424 and 369
GCF of 423 and 370
GCF of 423 and 368
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