What is the Greatest Common Factor of 13609 and 13621?

Greatest common factor (GCF) of 13609 and 13621 is 1.

GCF(13609,13621) = 1

We will now calculate the prime factors of 13609 and 13621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13609 and 13621.

How to find the GCF of 13609 and 13621?

We will first find the prime factorization of 13609 and 13621. After we will calculate the factors of 13609 and 13621 and find the biggest common factor number .

Step-1: Prime Factorization of 13609

Prime factors of 13609 are 31, 439. Prime factorization of 13609 in exponential form is:

13609 = 31¹ × 439¹

Step-2: Prime Factorization of 13621

Prime factors of 13621 are 53, 257. Prime factorization of 13621 in exponential form is:

13621 = 53¹ × 257¹

Step-3: Factors of 13609

List of positive integer factors of 13609 that divides 13609 without a remainder.

1, 31, 439

Step-4: Factors of 13621

List of positive integer factors of 13621 that divides 13609 without a remainder.

1, 53, 257

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13609 and 13621. The biggest common factor number is the GCF number.
So the greatest common factor 13609 and 13621 is 1.

Also check out the Least Common Multiple of 13609 and 13621