What is the Greatest Common Factor of 28437 and 28449?

Greatest common factor (GCF) of 28437 and 28449 is 3.

GCF(28437,28449) = 3

We will now calculate the prime factors of 28437 and 28449, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28437 and 28449.

How to find the GCF of 28437 and 28449?

We will first find the prime factorization of 28437 and 28449. After we will calculate the factors of 28437 and 28449 and find the biggest common factor number .

Step-1: Prime Factorization of 28437

Prime factors of 28437 are 3, 9479. Prime factorization of 28437 in exponential form is:

28437 = 3¹ × 9479¹

Step-2: Prime Factorization of 28449

Prime factors of 28449 are 3, 29, 109. Prime factorization of 28449 in exponential form is:

28449 = 3² × 29¹ × 109¹

Step-3: Factors of 28437

List of positive integer factors of 28437 that divides 28437 without a remainder.

1, 3, 9479

Step-4: Factors of 28449

List of positive integer factors of 28449 that divides 28437 without a remainder.

1, 3, 9, 29, 87, 109, 261, 327, 981, 3161, 9483

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28437 and 28449. The biggest common factor number is the GCF number.
So the greatest common factor 28437 and 28449 is 3.

Also check out the Least Common Multiple of 28437 and 28449