What is the Greatest Common Factor of 90378 and 90396?

Greatest common factor (GCF) of 90378 and 90396 is 18.

GCF(90378,90396) = 18

We will now calculate the prime factors of 90378 and 90396, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90378 and 90396.

How to find the GCF of 90378 and 90396?

We will first find the prime factorization of 90378 and 90396. After we will calculate the factors of 90378 and 90396 and find the biggest common factor number .

Step-1: Prime Factorization of 90378

Prime factors of 90378 are 2, 3, 5021. Prime factorization of 90378 in exponential form is:

90378 = 2¹ × 3² × 5021¹

Step-2: Prime Factorization of 90396

Prime factors of 90396 are 2, 3, 31. Prime factorization of 90396 in exponential form is:

90396 = 2² × 3⁶ × 31¹

Step-3: Factors of 90378

List of positive integer factors of 90378 that divides 90378 without a remainder.

1, 2, 3, 6, 9, 18, 5021, 10042, 15063, 30126, 45189

Step-4: Factors of 90396

List of positive integer factors of 90396 that divides 90378 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 729, 837, 972, 1116, 1458, 1674, 2511, 2916, 3348, 5022, 7533, 10044, 15066, 22599, 30132, 45198

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90378 and 90396. The biggest common factor number is the GCF number.
So the greatest common factor 90378 and 90396 is 18.

Also check out the Least Common Multiple of 90378 and 90396