What is the Greatest Common Factor of 72378 and 72396?

Greatest common factor (GCF) of 72378 and 72396 is 18.

GCF(72378,72396) = 18

We will now calculate the prime factors of 72378 and 72396, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72378 and 72396.

How to find the GCF of 72378 and 72396?

We will first find the prime factorization of 72378 and 72396. After we will calculate the factors of 72378 and 72396 and find the biggest common factor number .

Step-1: Prime Factorization of 72378

Prime factors of 72378 are 2, 3, 4021. Prime factorization of 72378 in exponential form is:

72378 = 2¹ × 3² × 4021¹

Step-2: Prime Factorization of 72396

Prime factors of 72396 are 2, 3, 2011. Prime factorization of 72396 in exponential form is:

72396 = 2² × 3² × 2011¹

Step-3: Factors of 72378

List of positive integer factors of 72378 that divides 72378 without a remainder.

1, 2, 3, 6, 9, 18, 4021, 8042, 12063, 24126, 36189

Step-4: Factors of 72396

List of positive integer factors of 72396 that divides 72378 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 2011, 4022, 6033, 8044, 12066, 18099, 24132, 36198

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72378 and 72396. The biggest common factor number is the GCF number.
So the greatest common factor 72378 and 72396 is 18.

Also check out the Least Common Multiple of 72378 and 72396