What is the Greatest Common Factor of 4491 and 4500?

Greatest common factor (GCF) of 4491 and 4500 is 9.

GCF(4491,4500) = 9

We will now calculate the prime factors of 4491 and 4500, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4491 and 4500.

How to find the GCF of 4491 and 4500?

We will first find the prime factorization of 4491 and 4500. After we will calculate the factors of 4491 and 4500 and find the biggest common factor number .

Step-1: Prime Factorization of 4491

Prime factors of 4491 are 3, 499. Prime factorization of 4491 in exponential form is:

4491 = 3² × 499¹

Step-2: Prime Factorization of 4500

Prime factors of 4500 are 2, 3, 5. Prime factorization of 4500 in exponential form is:

4500 = 2² × 3² × 5³

Step-3: Factors of 4491

List of positive integer factors of 4491 that divides 4491 without a remainder.

1, 3, 9, 499, 1497

Step-4: Factors of 4500

List of positive integer factors of 4500 that divides 4491 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4491 and 4500. The biggest common factor number is the GCF number.
So the greatest common factor 4491 and 4500 is 9.

Also check out the Least Common Multiple of 4491 and 4500