What is the Greatest Common Factor of 72156 and 72173?

Greatest common factor (GCF) of 72156 and 72173 is 1.

GCF(72156,72173) = 1

We will now calculate the prime factors of 72156 and 72173, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72156 and 72173.

How to find the GCF of 72156 and 72173?

We will first find the prime factorization of 72156 and 72173. After we will calculate the factors of 72156 and 72173 and find the biggest common factor number .

Step-1: Prime Factorization of 72156

Prime factors of 72156 are 2, 3, 7, 859. Prime factorization of 72156 in exponential form is:

72156 = 2² × 3¹ × 7¹ × 859¹

Step-2: Prime Factorization of 72173

Prime factors of 72173 are 72173. Prime factorization of 72173 in exponential form is:

72173 = 72173¹

Step-3: Factors of 72156

List of positive integer factors of 72156 that divides 72156 without a remainder.

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 859, 1718, 2577, 3436, 5154, 6013, 10308, 12026, 18039, 24052, 36078

Step-4: Factors of 72173

List of positive integer factors of 72173 that divides 72156 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72156 and 72173. The biggest common factor number is the GCF number.
So the greatest common factor 72156 and 72173 is 1.

Also check out the Least Common Multiple of 72156 and 72173