What is the Greatest Common Factor of 72147 and 72153?

Greatest common factor (GCF) of 72147 and 72153 is 3.

GCF(72147,72153) = 3

We will now calculate the prime factors of 72147 and 72153, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72147 and 72153.

How to find the GCF of 72147 and 72153?

We will first find the prime factorization of 72147 and 72153. After we will calculate the factors of 72147 and 72153 and find the biggest common factor number .

Step-1: Prime Factorization of 72147

Prime factors of 72147 are 3, 24049. Prime factorization of 72147 in exponential form is:

72147 = 3¹ × 24049¹

Step-2: Prime Factorization of 72153

Prime factors of 72153 are 3, 8017. Prime factorization of 72153 in exponential form is:

72153 = 3² × 8017¹

Step-3: Factors of 72147

List of positive integer factors of 72147 that divides 72147 without a remainder.

1, 3, 24049

Step-4: Factors of 72153

List of positive integer factors of 72153 that divides 72147 without a remainder.

1, 3, 9, 8017, 24051

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72147 and 72153. The biggest common factor number is the GCF number.
So the greatest common factor 72147 and 72153 is 3.

Also check out the Least Common Multiple of 72147 and 72153