What is the Greatest Common Factor of 13620 and 13628?

Greatest common factor (GCF) of 13620 and 13628 is 4.

GCF(13620,13628) = 4

We will now calculate the prime factors of 13620 and 13628, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13620 and 13628.

How to find the GCF of 13620 and 13628?

We will first find the prime factorization of 13620 and 13628. After we will calculate the factors of 13620 and 13628 and find the biggest common factor number .

Step-1: Prime Factorization of 13620

Prime factors of 13620 are 2, 3, 5, 227. Prime factorization of 13620 in exponential form is:

13620 = 2² × 3¹ × 5¹ × 227¹

Step-2: Prime Factorization of 13628

Prime factors of 13628 are 2, 3407. Prime factorization of 13628 in exponential form is:

13628 = 2² × 3407¹

Step-3: Factors of 13620

List of positive integer factors of 13620 that divides 13620 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 227, 454, 681, 908, 1135, 1362, 2270, 2724, 3405, 4540, 6810

Step-4: Factors of 13628

List of positive integer factors of 13628 that divides 13620 without a remainder.

1, 2, 4, 3407, 6814

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13620 and 13628. The biggest common factor number is the GCF number.
So the greatest common factor 13620 and 13628 is 4.

Also check out the Least Common Multiple of 13620 and 13628