What is the Greatest Common Factor of 9561 and 9567?

Greatest common factor (GCF) of 9561 and 9567 is 3.

GCF(9561,9567) = 3

We will now calculate the prime factors of 9561 and 9567, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9561 and 9567.

How to find the GCF of 9561 and 9567?

We will first find the prime factorization of 9561 and 9567. After we will calculate the factors of 9561 and 9567 and find the biggest common factor number .

Step-1: Prime Factorization of 9561

Prime factors of 9561 are 3, 3187. Prime factorization of 9561 in exponential form is:

9561 = 3¹ × 3187¹

Step-2: Prime Factorization of 9567

Prime factors of 9567 are 3, 1063. Prime factorization of 9567 in exponential form is:

9567 = 3² × 1063¹

Step-3: Factors of 9561

List of positive integer factors of 9561 that divides 9561 without a remainder.

1, 3, 3187

Step-4: Factors of 9567

List of positive integer factors of 9567 that divides 9561 without a remainder.

1, 3, 9, 1063, 3189

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9561 and 9567. The biggest common factor number is the GCF number.
So the greatest common factor 9561 and 9567 is 3.

Also check out the Least Common Multiple of 9561 and 9567