What is the Greatest Common Factor of 28388 and 28396?

Greatest common factor (GCF) of 28388 and 28396 is 4.

GCF(28388,28396) = 4

We will now calculate the prime factors of 28388 and 28396, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28388 and 28396.

How to find the GCF of 28388 and 28396?

We will first find the prime factorization of 28388 and 28396. After we will calculate the factors of 28388 and 28396 and find the biggest common factor number .

Step-1: Prime Factorization of 28388

Prime factors of 28388 are 2, 47, 151. Prime factorization of 28388 in exponential form is:

28388 = 2² × 47¹ × 151¹

Step-2: Prime Factorization of 28396

Prime factors of 28396 are 2, 31, 229. Prime factorization of 28396 in exponential form is:

28396 = 2² × 31¹ × 229¹

Step-3: Factors of 28388

List of positive integer factors of 28388 that divides 28388 without a remainder.

1, 2, 4, 47, 94, 151, 188, 302, 604, 7097, 14194

Step-4: Factors of 28396

List of positive integer factors of 28396 that divides 28388 without a remainder.

1, 2, 4, 31, 62, 124, 229, 458, 916, 7099, 14198

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28388 and 28396. The biggest common factor number is the GCF number.
So the greatest common factor 28388 and 28396 is 4.

Also check out the Least Common Multiple of 28388 and 28396