What is the Greatest Common Factor of 28389 and 28396?

Greatest common factor (GCF) of 28389 and 28396 is 1.

GCF(28389,28396) = 1

We will now calculate the prime factors of 28389 and 28396, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28389 and 28396.

How to find the GCF of 28389 and 28396?

We will first find the prime factorization of 28389 and 28396. After we will calculate the factors of 28389 and 28396 and find the biggest common factor number .

Step-1: Prime Factorization of 28389

Prime factors of 28389 are 3, 9463. Prime factorization of 28389 in exponential form is:

28389 = 3¹ × 9463¹

Step-2: Prime Factorization of 28396

Prime factors of 28396 are 2, 31, 229. Prime factorization of 28396 in exponential form is:

28396 = 2² × 31¹ × 229¹

Step-3: Factors of 28389

List of positive integer factors of 28389 that divides 28389 without a remainder.

1, 3, 9463

Step-4: Factors of 28396

List of positive integer factors of 28396 that divides 28389 without a remainder.

1, 2, 4, 31, 62, 124, 229, 458, 916, 7099, 14198

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28389 and 28396. The biggest common factor number is the GCF number.
So the greatest common factor 28389 and 28396 is 1.

Also check out the Least Common Multiple of 28389 and 28396