What is the Greatest Common Factor of 72195 and 72213?

Greatest common factor (GCF) of 72195 and 72213 is 3.

GCF(72195,72213) = 3

We will now calculate the prime factors of 72195 and 72213, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72195 and 72213.

How to find the GCF of 72195 and 72213?

We will first find the prime factorization of 72195 and 72213. After we will calculate the factors of 72195 and 72213 and find the biggest common factor number .

Step-1: Prime Factorization of 72195

Prime factors of 72195 are 3, 5, 4813. Prime factorization of 72195 in exponential form is:

72195 = 3¹ × 5¹ × 4813¹

Step-2: Prime Factorization of 72213

Prime factors of 72213 are 3, 24071. Prime factorization of 72213 in exponential form is:

72213 = 3¹ × 24071¹

Step-3: Factors of 72195

List of positive integer factors of 72195 that divides 72195 without a remainder.

1, 3, 5, 15, 4813, 14439, 24065

Step-4: Factors of 72213

List of positive integer factors of 72213 that divides 72195 without a remainder.

1, 3, 24071

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72195 and 72213. The biggest common factor number is the GCF number.
So the greatest common factor 72195 and 72213 is 3.

Also check out the Least Common Multiple of 72195 and 72213