What is the Greatest Common Factor of 13638 and 13658?

Greatest common factor (GCF) of 13638 and 13658 is 2.

GCF(13638,13658) = 2

We will now calculate the prime factors of 13638 and 13658, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13638 and 13658.

How to find the GCF of 13638 and 13658?

We will first find the prime factorization of 13638 and 13658. After we will calculate the factors of 13638 and 13658 and find the biggest common factor number .

Step-1: Prime Factorization of 13638

Prime factors of 13638 are 2, 3, 2273. Prime factorization of 13638 in exponential form is:

13638 = 2¹ × 3¹ × 2273¹

Step-2: Prime Factorization of 13658

Prime factors of 13658 are 2, 6829. Prime factorization of 13658 in exponential form is:

13658 = 2¹ × 6829¹

Step-3: Factors of 13638

List of positive integer factors of 13638 that divides 13638 without a remainder.

1, 2, 3, 6, 2273, 4546, 6819

Step-4: Factors of 13658

List of positive integer factors of 13658 that divides 13638 without a remainder.

1, 2, 6829

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13638 and 13658. The biggest common factor number is the GCF number.
So the greatest common factor 13638 and 13658 is 2.

Also check out the Least Common Multiple of 13638 and 13658