What is the Greatest Common Factor of 13430 and 13438?

Greatest common factor (GCF) of 13430 and 13438 is 2.

GCF(13430,13438) = 2

We will now calculate the prime factors of 13430 and 13438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13430 and 13438.

How to find the GCF of 13430 and 13438?

We will first find the prime factorization of 13430 and 13438. After we will calculate the factors of 13430 and 13438 and find the biggest common factor number .

Step-1: Prime Factorization of 13430

Prime factors of 13430 are 2, 5, 17, 79. Prime factorization of 13430 in exponential form is:

13430 = 2¹ × 5¹ × 17¹ × 79¹

Step-2: Prime Factorization of 13438

Prime factors of 13438 are 2, 6719. Prime factorization of 13438 in exponential form is:

13438 = 2¹ × 6719¹

Step-3: Factors of 13430

List of positive integer factors of 13430 that divides 13430 without a remainder.

1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 6715

Step-4: Factors of 13438

List of positive integer factors of 13438 that divides 13430 without a remainder.

1, 2, 6719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13430 and 13438. The biggest common factor number is the GCF number.
So the greatest common factor 13430 and 13438 is 2.

Also check out the Least Common Multiple of 13430 and 13438