What is the Greatest Common Factor of 22158 and 22173?

Greatest common factor (GCF) of 22158 and 22173 is 3.

GCF(22158,22173) = 3

We will now calculate the prime factors of 22158 and 22173, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 22158 and 22173.

How to find the GCF of 22158 and 22173?

We will first find the prime factorization of 22158 and 22173. After we will calculate the factors of 22158 and 22173 and find the biggest common factor number .

Step-1: Prime Factorization of 22158

Prime factors of 22158 are 2, 3, 1231. Prime factorization of 22158 in exponential form is:

22158 = 2¹ × 3² × 1231¹

Step-2: Prime Factorization of 22173

Prime factors of 22173 are 3, 19, 389. Prime factorization of 22173 in exponential form is:

22173 = 3¹ × 19¹ × 389¹

Step-3: Factors of 22158

List of positive integer factors of 22158 that divides 22158 without a remainder.

1, 2, 3, 6, 9, 18, 1231, 2462, 3693, 7386, 11079

Step-4: Factors of 22173

List of positive integer factors of 22173 that divides 22158 without a remainder.

1, 3, 19, 57, 389, 1167, 7391

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 22158 and 22173. The biggest common factor number is the GCF number.
So the greatest common factor 22158 and 22173 is 3.

Also check out the Least Common Multiple of 22158 and 22173