What is the Greatest Common Factor of 9639 and 9643?

Greatest common factor (GCF) of 9639 and 9643 is 1.

GCF(9639,9643) = 1

We will now calculate the prime factors of 9639 and 9643, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9639 and 9643.

How to find the GCF of 9639 and 9643?

We will first find the prime factorization of 9639 and 9643. After we will calculate the factors of 9639 and 9643 and find the biggest common factor number .

Step-1: Prime Factorization of 9639

Prime factors of 9639 are 3, 7, 17. Prime factorization of 9639 in exponential form is:

9639 = 3⁴ × 7¹ × 17¹

Step-2: Prime Factorization of 9643

Prime factors of 9643 are 9643. Prime factorization of 9643 in exponential form is:

9643 = 9643¹

Step-3: Factors of 9639

List of positive integer factors of 9639 that divides 9639 without a remainder.

1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 3213

Step-4: Factors of 9643

List of positive integer factors of 9643 that divides 9639 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9639 and 9643. The biggest common factor number is the GCF number.
So the greatest common factor 9639 and 9643 is 1.

Also check out the Least Common Multiple of 9639 and 9643