What is the Greatest Common Factor of 28315 and 28330?

Greatest common factor (GCF) of 28315 and 28330 is 5.

GCF(28315,28330) = 5

We will now calculate the prime factors of 28315 and 28330, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28315 and 28330.

How to find the GCF of 28315 and 28330?

We will first find the prime factorization of 28315 and 28330. After we will calculate the factors of 28315 and 28330 and find the biggest common factor number .

Step-1: Prime Factorization of 28315

Prime factors of 28315 are 5, 7, 809. Prime factorization of 28315 in exponential form is:

28315 = 5¹ × 7¹ × 809¹

Step-2: Prime Factorization of 28330

Prime factors of 28330 are 2, 5, 2833. Prime factorization of 28330 in exponential form is:

28330 = 2¹ × 5¹ × 2833¹

Step-3: Factors of 28315

List of positive integer factors of 28315 that divides 28315 without a remainder.

1, 5, 7, 35, 809, 4045, 5663

Step-4: Factors of 28330

List of positive integer factors of 28330 that divides 28315 without a remainder.

1, 2, 5, 10, 2833, 5666, 14165

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28315 and 28330. The biggest common factor number is the GCF number.
So the greatest common factor 28315 and 28330 is 5.

Also check out the Least Common Multiple of 28315 and 28330