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Online Calculators > Math Calculators
GCF of 197 and 199
What is the GCF of 197 and 199? - The GCF of 197 and 199 is 1.
Follow the step by step instructions on how to find the great common factor of 197 and 199.
What is the greatest common factor of 197 and 199?
How to find the gcf of 197 and 199?
Method 1 - Listing Factors
To find the gcf of 197 and 199, we first need to find the factors of 197 and 199 and then choose the greatest common factor that are dividable by both 197 and 199.
Factors of 197 = 1, 197
Factors of 199 = 1, 199
The greatest common factor of 197 and 199 is 1, because 1 is the largest number that is divisible by both numbers.
Method 2 - Prime Factorization
Another method to find the greatest common factor of 197 and 199 is by using the prime factorization method.
To use prime factorization, we first need to find the prime factors of 197 and 199, and then get the GCF by multiplying all the common prime factors from the two sets.
Prime factorization of 197 = 197
Prime factorization of 199 = 199
Common prime factors = = 1
GCF of 196 and 199
GCF of 198 and 199
GCF of 197 and 200
GCF of 197 and 198
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