What is the Greatest Common Factor of 28555 and 28568?

Greatest common factor (GCF) of 28555 and 28568 is 1.

GCF(28555,28568) = 1

We will now calculate the prime factors of 28555 and 28568, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28555 and 28568.

How to find the GCF of 28555 and 28568?

We will first find the prime factorization of 28555 and 28568. After we will calculate the factors of 28555 and 28568 and find the biggest common factor number .

Step-1: Prime Factorization of 28555

Prime factors of 28555 are 5, 5711. Prime factorization of 28555 in exponential form is:

28555 = 5¹ × 5711¹

Step-2: Prime Factorization of 28568

Prime factors of 28568 are 2, 3571. Prime factorization of 28568 in exponential form is:

28568 = 2³ × 3571¹

Step-3: Factors of 28555

List of positive integer factors of 28555 that divides 28555 without a remainder.

1, 5, 5711

Step-4: Factors of 28568

List of positive integer factors of 28568 that divides 28555 without a remainder.

1, 2, 4, 8, 3571, 7142, 14284

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28555 and 28568. The biggest common factor number is the GCF number.
So the greatest common factor 28555 and 28568 is 1.

Also check out the Least Common Multiple of 28555 and 28568