What is the Greatest Common Factor of 28491 and 28506?

Greatest common factor (GCF) of 28491 and 28506 is 3.

GCF(28491,28506) = 3

We will now calculate the prime factors of 28491 and 28506, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28491 and 28506.

How to find the GCF of 28491 and 28506?

We will first find the prime factorization of 28491 and 28506. After we will calculate the factors of 28491 and 28506 and find the biggest common factor number .

Step-1: Prime Factorization of 28491

Prime factors of 28491 are 3, 9497. Prime factorization of 28491 in exponential form is:

28491 = 3¹ × 9497¹

Step-2: Prime Factorization of 28506

Prime factors of 28506 are 2, 3, 4751. Prime factorization of 28506 in exponential form is:

28506 = 2¹ × 3¹ × 4751¹

Step-3: Factors of 28491

List of positive integer factors of 28491 that divides 28491 without a remainder.

1, 3, 9497

Step-4: Factors of 28506

List of positive integer factors of 28506 that divides 28491 without a remainder.

1, 2, 3, 6, 4751, 9502, 14253

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28491 and 28506. The biggest common factor number is the GCF number.
So the greatest common factor 28491 and 28506 is 3.

Also check out the Least Common Multiple of 28491 and 28506