What is the Greatest Common Factor of 8578 and 8591?

Greatest common factor (GCF) of 8578 and 8591 is 1.

GCF(8578,8591) = 1

We will now calculate the prime factors of 8578 and 8591, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8578 and 8591.

How to find the GCF of 8578 and 8591?

We will first find the prime factorization of 8578 and 8591. After we will calculate the factors of 8578 and 8591 and find the biggest common factor number .

Step-1: Prime Factorization of 8578

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

8578 = 2¹ × 4289¹

Step-2: Prime Factorization of 8591

Prime factors of 8591 are 11, 71. Prime factorization of 8591 in exponential form is:

8591 = 11² × 71¹

Step-3: Factors of 8578

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

1, 2, 4289

Step-4: Factors of 8591

List of positive integer factors of 8591 that divides 8578 without a remainder.

1, 11, 71, 121, 781

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8578 and 8591. The biggest common factor number is the GCF number.
So the greatest common factor 8578 and 8591 is 1.

Also check out the Least Common Multiple of 8578 and 8591