What is the Greatest Common Factor of 12173 and 12189?

Greatest common factor (GCF) of 12173 and 12189 is 1.

GCF(12173,12189) = 1

We will now calculate the prime factors of 12173 and 12189, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12173 and 12189.

How to find the GCF of 12173 and 12189?

We will first find the prime factorization of 12173 and 12189. After we will calculate the factors of 12173 and 12189 and find the biggest common factor number .

Step-1: Prime Factorization of 12173

Prime factors of 12173 are 7, 37, 47. Prime factorization of 12173 in exponential form is:

12173 = 7¹ × 37¹ × 47¹

Step-2: Prime Factorization of 12189

Prime factors of 12189 are 3, 17, 239. Prime factorization of 12189 in exponential form is:

12189 = 3¹ × 17¹ × 239¹

Step-3: Factors of 12173

List of positive integer factors of 12173 that divides 12173 without a remainder.

1, 7, 37, 47, 259, 329, 1739

Step-4: Factors of 12189

List of positive integer factors of 12189 that divides 12173 without a remainder.

1, 3, 17, 51, 239, 717, 4063

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12173 and 12189. The biggest common factor number is the GCF number.
So the greatest common factor 12173 and 12189 is 1.

Also check out the Least Common Multiple of 12173 and 12189