What is the Greatest Common Factor of 9983 and 9997?

Greatest common factor (GCF) of 9983 and 9997 is 1.

GCF(9983,9997) = 1

We will now calculate the prime factors of 9983 and 9997, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9983 and 9997.

How to find the GCF of 9983 and 9997?

We will first find the prime factorization of 9983 and 9997. After we will calculate the factors of 9983 and 9997 and find the biggest common factor number .

Step-1: Prime Factorization of 9983

Prime factors of 9983 are 67, 149. Prime factorization of 9983 in exponential form is:

9983 = 67¹ × 149¹

Step-2: Prime Factorization of 9997

Prime factors of 9997 are 13, 769. Prime factorization of 9997 in exponential form is:

9997 = 13¹ × 769¹

Step-3: Factors of 9983

List of positive integer factors of 9983 that divides 9983 without a remainder.

1, 67, 149

Step-4: Factors of 9997

List of positive integer factors of 9997 that divides 9983 without a remainder.

1, 13, 769

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9983 and 9997. The biggest common factor number is the GCF number.
So the greatest common factor 9983 and 9997 is 1.

Also check out the Least Common Multiple of 9983 and 9997