What is the Greatest Common Factor of 28424 and 28443?

Greatest common factor (GCF) of 28424 and 28443 is 19.

GCF(28424,28443) = 19

We will now calculate the prime factors of 28424 and 28443, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28424 and 28443.

How to find the GCF of 28424 and 28443?

We will first find the prime factorization of 28424 and 28443. After we will calculate the factors of 28424 and 28443 and find the biggest common factor number .

Step-1: Prime Factorization of 28424

Prime factors of 28424 are 2, 11, 17, 19. Prime factorization of 28424 in exponential form is:

28424 = 2³ × 11¹ × 17¹ × 19¹

Step-2: Prime Factorization of 28443

Prime factors of 28443 are 3, 19, 499. Prime factorization of 28443 in exponential form is:

28443 = 3¹ × 19¹ × 499¹

Step-3: Factors of 28424

List of positive integer factors of 28424 that divides 28424 without a remainder.

1, 2, 4, 8, 11, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1496, 1672, 2584, 3553, 7106, 14212

Step-4: Factors of 28443

List of positive integer factors of 28443 that divides 28424 without a remainder.

1, 3, 19, 57, 499, 1497, 9481

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28424 and 28443. The biggest common factor number is the GCF number.
So the greatest common factor 28424 and 28443 is 19.

Also check out the Least Common Multiple of 28424 and 28443