What is the Greatest Common Factor of 4389 and 4399?

Greatest common factor (GCF) of 4389 and 4399 is 1.

GCF(4389,4399) = 1

We will now calculate the prime factors of 4389 and 4399, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4389 and 4399.

How to find the GCF of 4389 and 4399?

We will first find the prime factorization of 4389 and 4399. After we will calculate the factors of 4389 and 4399 and find the biggest common factor number .

Step-1: Prime Factorization of 4389

Prime factors of 4389 are 3, 7, 11, 19. Prime factorization of 4389 in exponential form is:

4389 = 3¹ × 7¹ × 11¹ × 19¹

Step-2: Prime Factorization of 4399

Prime factors of 4399 are 53, 83. Prime factorization of 4399 in exponential form is:

4399 = 53¹ × 83¹

Step-3: Factors of 4389

List of positive integer factors of 4389 that divides 4389 without a remainder.

1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463

Step-4: Factors of 4399

List of positive integer factors of 4399 that divides 4389 without a remainder.

1, 53, 83

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4389 and 4399. The biggest common factor number is the GCF number.
So the greatest common factor 4389 and 4399 is 1.

Also check out the Least Common Multiple of 4389 and 4399