What is the Greatest Common Factor of 181 and 196?

Greatest common factor (GCF) of 181 and 196 is 1.

GCF(181,196) = 1

We will now calculate the prime factors of 181 and 196, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 181 and 196.

How to find the GCF of 181 and 196?

We will first find the prime factorization of 181 and 196. After we will calculate the factors of 181 and 196 and find the biggest common factor number .

Step-1: Prime Factorization of 181

Prime factors of 181 are 181. Prime factorization of 181 in exponential form is:

181 = 181¹

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 181

List of positive integer factors of 181 that divides 181 without a remainder.

Step-4: Factors of 196

List of positive integer factors of 196 that divides 181 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 181 and 196. The biggest common factor number is the GCF number.
So the greatest common factor 181 and 196 is 1.

Also check out the Least Common Multiple of 181 and 196