What is the Greatest Common Factor of 13603 and 13621?

Greatest common factor (GCF) of 13603 and 13621 is 1.

GCF(13603,13621) = 1

We will now calculate the prime factors of 13603 and 13621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13603 and 13621.

How to find the GCF of 13603 and 13621?

We will first find the prime factorization of 13603 and 13621. After we will calculate the factors of 13603 and 13621 and find the biggest common factor number .

Step-1: Prime Factorization of 13603

Prime factors of 13603 are 61, 223. Prime factorization of 13603 in exponential form is:

13603 = 61¹ × 223¹

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 13603

List of positive integer factors of 13603 that divides 13603 without a remainder.

1, 61, 223

Step-4: Factors of 13621

List of positive integer factors of 13621 that divides 13603 without a remainder.

1, 53, 257

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13603 and 13621. The biggest common factor number is the GCF number.
So the greatest common factor 13603 and 13621 is 1.

Also check out the Least Common Multiple of 13603 and 13621