What is the Greatest Common Factor of 13243 and 13261?

Greatest common factor (GCF) of 13243 and 13261 is 1.

GCF(13243,13261) = 1

We will now calculate the prime factors of 13243 and 13261, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13243 and 13261.

How to find the GCF of 13243 and 13261?

We will first find the prime factorization of 13243 and 13261. After we will calculate the factors of 13243 and 13261 and find the biggest common factor number .

Step-1: Prime Factorization of 13243

Prime factors of 13243 are 17, 19, 41. Prime factorization of 13243 in exponential form is:

13243 = 17¹ × 19¹ × 41¹

Step-2: Prime Factorization of 13261

Prime factors of 13261 are 89, 149. Prime factorization of 13261 in exponential form is:

13261 = 89¹ × 149¹

Step-3: Factors of 13243

List of positive integer factors of 13243 that divides 13243 without a remainder.

1, 17, 19, 41, 323, 697, 779

Step-4: Factors of 13261

List of positive integer factors of 13261 that divides 13243 without a remainder.

1, 89, 149

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13243 and 13261. The biggest common factor number is the GCF number.
So the greatest common factor 13243 and 13261 is 1.

Also check out the Least Common Multiple of 13243 and 13261