What is the Greatest Common Factor of 9489 and 9509?

Greatest common factor (GCF) of 9489 and 9509 is 1.

GCF(9489,9509) = 1

We will now calculate the prime factors of 9489 and 9509, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9489 and 9509.

How to find the GCF of 9489 and 9509?

We will first find the prime factorization of 9489 and 9509. After we will calculate the factors of 9489 and 9509 and find the biggest common factor number .

Step-1: Prime Factorization of 9489

Prime factors of 9489 are 3, 3163. Prime factorization of 9489 in exponential form is:

9489 = 3¹ × 3163¹

Step-2: Prime Factorization of 9509

Prime factors of 9509 are 37, 257. Prime factorization of 9509 in exponential form is:

9509 = 37¹ × 257¹

Step-3: Factors of 9489

List of positive integer factors of 9489 that divides 9489 without a remainder.

1, 3, 3163

Step-4: Factors of 9509

List of positive integer factors of 9509 that divides 9489 without a remainder.

1, 37, 257

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9489 and 9509. The biggest common factor number is the GCF number.
So the greatest common factor 9489 and 9509 is 1.

Also check out the Least Common Multiple of 9489 and 9509