What is the Greatest Common Factor of 231 and 239?

Greatest common factor (GCF) of 231 and 239 is 1.

GCF(231,239) = 1

We will now calculate the prime factors of 231 and 239, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 231 and 239.

How to find the GCF of 231 and 239?

We will first find the prime factorization of 231 and 239. After we will calculate the factors of 231 and 239 and find the biggest common factor number .

Step-1: Prime Factorization of 231

Prime factors of 231 are 3, 7, 11. Prime factorization of 231 in exponential form is:

231 = 3¹ × 7¹ × 11¹

Step-2: Prime Factorization of 239

Prime factors of 239 are 239. Prime factorization of 239 in exponential form is:

239 = 239¹

Step-3: Factors of 231

List of positive integer factors of 231 that divides 231 without a remainder.

1, 3, 7, 11, 21, 33, 77

Step-4: Factors of 239

List of positive integer factors of 239 that divides 231 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 231 and 239. The biggest common factor number is the GCF number.
So the greatest common factor 231 and 239 is 1.

Also check out the Least Common Multiple of 231 and 239