What is the Greatest Common Factor of 13420 and 13435?

Greatest common factor (GCF) of 13420 and 13435 is 5.

GCF(13420,13435) = 5

We will now calculate the prime factors of 13420 and 13435, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13420 and 13435.

How to find the GCF of 13420 and 13435?

We will first find the prime factorization of 13420 and 13435. After we will calculate the factors of 13420 and 13435 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 13435

Prime factors of 13435 are 5, 2687. Prime factorization of 13435 in exponential form is:

13435 = 5¹ × 2687¹

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 13435

List of positive integer factors of 13435 that divides 13420 without a remainder.

1, 5, 2687

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13420 and 13435. The biggest common factor number is the GCF number.
So the greatest common factor 13420 and 13435 is 5.

Also check out the Least Common Multiple of 13420 and 13435