What is the Greatest Common Factor of 8591 and 8605?

Greatest common factor (GCF) of 8591 and 8605 is 1.

GCF(8591,8605) = 1

We will now calculate the prime factors of 8591 and 8605, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8591 and 8605.

How to find the GCF of 8591 and 8605?

We will first find the prime factorization of 8591 and 8605. After we will calculate the factors of 8591 and 8605 and find the biggest common factor number .

Step-1: Prime Factorization of 8591

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

8591 = 11² × 71¹

Step-2: Prime Factorization of 8605

Prime factors of 8605 are 5, 1721. Prime factorization of 8605 in exponential form is:

8605 = 5¹ × 1721¹

Step-3: Factors of 8591

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

1, 11, 71, 121, 781

Step-4: Factors of 8605

List of positive integer factors of 8605 that divides 8591 without a remainder.

1, 5, 1721

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8591 and 8605. The biggest common factor number is the GCF number.
So the greatest common factor 8591 and 8605 is 1.

Also check out the Least Common Multiple of 8591 and 8605