What is the Greatest Common Factor of 18156 and 18173?

Greatest common factor (GCF) of 18156 and 18173 is 17.

GCF(18156,18173) = 17

We will now calculate the prime factors of 18156 and 18173, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18156 and 18173.

How to find the GCF of 18156 and 18173?

We will first find the prime factorization of 18156 and 18173. After we will calculate the factors of 18156 and 18173 and find the biggest common factor number .

Step-1: Prime Factorization of 18156

Prime factors of 18156 are 2, 3, 17, 89. Prime factorization of 18156 in exponential form is:

18156 = 2² × 3¹ × 17¹ × 89¹

Step-2: Prime Factorization of 18173

Prime factors of 18173 are 17, 1069. Prime factorization of 18173 in exponential form is:

18173 = 17¹ × 1069¹

Step-3: Factors of 18156

List of positive integer factors of 18156 that divides 18156 without a remainder.

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 89, 102, 178, 204, 267, 356, 534, 1068, 1513, 3026, 4539, 6052, 9078

Step-4: Factors of 18173

List of positive integer factors of 18173 that divides 18156 without a remainder.

1, 17, 1069

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18156 and 18173. The biggest common factor number is the GCF number.
So the greatest common factor 18156 and 18173 is 17.

Also check out the Least Common Multiple of 18156 and 18173