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What is the Greatest Common Factor of 187 and 196?

Greatest common factor (GCF) of 187 and 196 is 1.

GCF(187,196) = 1

We will now calculate the prime factors of 187 and 196, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 187 and 196.

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How to find the GCF of 187 and 196?

We will first find the prime factorization of 187 and 196. After we will calculate the factors of 187 and 196 and find the biggest common factor number .

Step-1: Prime Factorization of 187

Prime factors of 187 are 11, 17. Prime factorization of 187 in exponential form is:

187 = 111 × 171

Step-2: Prime Factorization of 196

Prime factors of 196 are 2, 7. Prime factorization of 196 in exponential form is:

196 = 22 × 72

Step-3: Factors of 187

List of positive integer factors of 187 that divides 187 without a remainder.

1, 11, 17

Step-4: Factors of 196

List of positive integer factors of 196 that divides 187 without a remainder.

1, 2, 4, 7, 14, 28, 49, 98

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 187 and 196. The biggest common factor number is the GCF number.
So the greatest common factor 187 and 196 is 1.

Also check out the Least Common Multiple of 187 and 196