What is the Greatest Common Factor of 9645 and 9649?

Greatest common factor (GCF) of 9645 and 9649 is 1.

GCF(9645,9649) = 1

We will now calculate the prime factors of 9645 and 9649, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9645 and 9649.

How to find the GCF of 9645 and 9649?

We will first find the prime factorization of 9645 and 9649. After we will calculate the factors of 9645 and 9649 and find the biggest common factor number .

Step-1: Prime Factorization of 9645

Prime factors of 9645 are 3, 5, 643. Prime factorization of 9645 in exponential form is:

9645 = 3¹ × 5¹ × 643¹

Step-2: Prime Factorization of 9649

Prime factors of 9649 are 9649. Prime factorization of 9649 in exponential form is:

9649 = 9649¹

Step-3: Factors of 9645

List of positive integer factors of 9645 that divides 9645 without a remainder.

1, 3, 5, 15, 643, 1929, 3215

Step-4: Factors of 9649

List of positive integer factors of 9649 that divides 9645 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9645 and 9649. The biggest common factor number is the GCF number.
So the greatest common factor 9645 and 9649 is 1.

Also check out the Least Common Multiple of 9645 and 9649