What is the Greatest Common Factor of 8558 and 8578?

Greatest common factor (GCF) of 8558 and 8578 is 2.

GCF(8558,8578) = 2

We will now calculate the prime factors of 8558 and 8578, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8558 and 8578.

How to find the GCF of 8558 and 8578?

We will first find the prime factorization of 8558 and 8578. After we will calculate the factors of 8558 and 8578 and find the biggest common factor number .

Step-1: Prime Factorization of 8558

Prime factors of 8558 are 2, 11, 389. Prime factorization of 8558 in exponential form is:

8558 = 2¹ × 11¹ × 389¹

Step-2: Prime Factorization of 8578

Prime factors of 8578 are 2, 4289. Prime factorization of 8578 in exponential form is:

8578 = 2¹ × 4289¹

Step-3: Factors of 8558

List of positive integer factors of 8558 that divides 8558 without a remainder.

1, 2, 11, 22, 389, 778, 4279

Step-4: Factors of 8578

List of positive integer factors of 8578 that divides 8558 without a remainder.

1, 2, 4289

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8558 and 8578. The biggest common factor number is the GCF number.
So the greatest common factor 8558 and 8578 is 2.

Also check out the Least Common Multiple of 8558 and 8578