What is the Greatest Common Factor of 9561 and 9577?

Greatest common factor (GCF) of 9561 and 9577 is 1.

GCF(9561,9577) = 1

We will now calculate the prime factors of 9561 and 9577, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9561 and 9577.

How to find the GCF of 9561 and 9577?

We will first find the prime factorization of 9561 and 9577. After we will calculate the factors of 9561 and 9577 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 9577

Prime factors of 9577 are 61, 157. Prime factorization of 9577 in exponential form is:

9577 = 61¹ × 157¹

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 9577

List of positive integer factors of 9577 that divides 9561 without a remainder.

1, 61, 157

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9561 and 9577. The biggest common factor number is the GCF number.
So the greatest common factor 9561 and 9577 is 1.

Also check out the Least Common Multiple of 9561 and 9577