What is the Greatest Common Factor of 13420 and 13436?

Greatest common factor (GCF) of 13420 and 13436 is 4.

GCF(13420,13436) = 4

We will now calculate the prime factors of 13420 and 13436, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13420 and 13436.

How to find the GCF of 13420 and 13436?

We will first find the prime factorization of 13420 and 13436. After we will calculate the factors of 13420 and 13436 and find the biggest common factor number .

Step-1: Prime Factorization of 13420

Prime factors of 13420 are 2, 5, 11, 61. Prime factorization of 13420 in exponential form is:

13420 = 2² × 5¹ × 11¹ × 61¹

Step-2: Prime Factorization of 13436

Prime factors of 13436 are 2, 3359. Prime factorization of 13436 in exponential form is:

13436 = 2² × 3359¹

Step-3: Factors of 13420

List of positive integer factors of 13420 that divides 13420 without a remainder.

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710

Step-4: Factors of 13436

List of positive integer factors of 13436 that divides 13420 without a remainder.

1, 2, 4, 3359, 6718

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13420 and 13436. The biggest common factor number is the GCF number.
So the greatest common factor 13420 and 13436 is 4.

Also check out the Least Common Multiple of 13420 and 13436