What is the Greatest Common Factor of 8556 and 8572?

Greatest common factor (GCF) of 8556 and 8572 is 4.

GCF(8556,8572) = 4

We will now calculate the prime factors of 8556 and 8572, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8556 and 8572.

How to find the GCF of 8556 and 8572?

We will first find the prime factorization of 8556 and 8572. After we will calculate the factors of 8556 and 8572 and find the biggest common factor number .

Step-1: Prime Factorization of 8556

Prime factors of 8556 are 2, 3, 23, 31. Prime factorization of 8556 in exponential form is:

8556 = 2² × 3¹ × 23¹ × 31¹

Step-2: Prime Factorization of 8572

Prime factors of 8572 are 2, 2143. Prime factorization of 8572 in exponential form is:

8572 = 2² × 2143¹

Step-3: Factors of 8556

List of positive integer factors of 8556 that divides 8556 without a remainder.

1, 2, 3, 4, 6, 12, 23, 31, 46, 62, 69, 92, 93, 124, 138, 186, 276, 372, 713, 1426, 2139, 2852, 4278

Step-4: Factors of 8572

List of positive integer factors of 8572 that divides 8556 without a remainder.

1, 2, 4, 2143, 4286

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8556 and 8572. The biggest common factor number is the GCF number.
So the greatest common factor 8556 and 8572 is 4.

Also check out the Least Common Multiple of 8556 and 8572