What is the Greatest Common Factor of 13620 and 13636?

Greatest common factor (GCF) of 13620 and 13636 is 4.

GCF(13620,13636) = 4

We will now calculate the prime factors of 13620 and 13636, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13620 and 13636.

How to find the GCF of 13620 and 13636?

We will first find the prime factorization of 13620 and 13636. After we will calculate the factors of 13620 and 13636 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 13636

Prime factors of 13636 are 2, 7, 487. Prime factorization of 13636 in exponential form is:

13636 = 2² × 7¹ × 487¹

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 13636

List of positive integer factors of 13636 that divides 13620 without a remainder.

1, 2, 4, 7, 14, 28, 487, 974, 1948, 3409, 6818

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13620 and 13636. The biggest common factor number is the GCF number.
So the greatest common factor 13620 and 13636 is 4.

Also check out the Least Common Multiple of 13620 and 13636