What is the Greatest Common Factor of 9663 and 9681?

Greatest common factor (GCF) of 9663 and 9681 is 3.

GCF(9663,9681) = 3

We will now calculate the prime factors of 9663 and 9681, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9663 and 9681.

How to find the GCF of 9663 and 9681?

We will first find the prime factorization of 9663 and 9681. After we will calculate the factors of 9663 and 9681 and find the biggest common factor number .

Step-1: Prime Factorization of 9663

Prime factors of 9663 are 3, 3221. Prime factorization of 9663 in exponential form is:

9663 = 3¹ × 3221¹

Step-2: Prime Factorization of 9681

Prime factors of 9681 are 3, 7, 461. Prime factorization of 9681 in exponential form is:

9681 = 3¹ × 7¹ × 461¹

Step-3: Factors of 9663

List of positive integer factors of 9663 that divides 9663 without a remainder.

1, 3, 3221

Step-4: Factors of 9681

List of positive integer factors of 9681 that divides 9663 without a remainder.

1, 3, 7, 21, 461, 1383, 3227

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9663 and 9681. The biggest common factor number is the GCF number.
So the greatest common factor 9663 and 9681 is 3.

Also check out the Least Common Multiple of 9663 and 9681