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What is the Greatest Common Factor of 164 and 171?

Greatest common factor (GCF) of 164 and 171 is 1.

GCF(164,171) = 1

We will now calculate the prime factors of 164 and 171, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 164 and 171.

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How to find the GCF of 164 and 171?

We will first find the prime factorization of 164 and 171. After we will calculate the factors of 164 and 171 and find the biggest common factor number .

Step-1: Prime Factorization of 164

Prime factors of 164 are 2, 41. Prime factorization of 164 in exponential form is:

164 = 22 × 411

Step-2: Prime Factorization of 171

Prime factors of 171 are 3, 19. Prime factorization of 171 in exponential form is:

171 = 32 × 191

Step-3: Factors of 164

List of positive integer factors of 164 that divides 164 without a remainder.

1, 2, 4, 41, 82

Step-4: Factors of 171

List of positive integer factors of 171 that divides 164 without a remainder.

1, 3, 9, 19, 57

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 164 and 171. The biggest common factor number is the GCF number.
So the greatest common factor 164 and 171 is 1.

Also check out the Least Common Multiple of 164 and 171