What is the Greatest Common Factor of 13458 and 13478?

Greatest common factor (GCF) of 13458 and 13478 is 2.

GCF(13458,13478) = 2

We will now calculate the prime factors of 13458 and 13478, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13458 and 13478.

How to find the GCF of 13458 and 13478?

We will first find the prime factorization of 13458 and 13478. After we will calculate the factors of 13458 and 13478 and find the biggest common factor number .

Step-1: Prime Factorization of 13458

Prime factors of 13458 are 2, 3, 2243. Prime factorization of 13458 in exponential form is:

13458 = 2¹ × 3¹ × 2243¹

Step-2: Prime Factorization of 13478

Prime factors of 13478 are 2, 23, 293. Prime factorization of 13478 in exponential form is:

13478 = 2¹ × 23¹ × 293¹

Step-3: Factors of 13458

List of positive integer factors of 13458 that divides 13458 without a remainder.

1, 2, 3, 6, 2243, 4486, 6729

Step-4: Factors of 13478

List of positive integer factors of 13478 that divides 13458 without a remainder.

1, 2, 23, 46, 293, 586, 6739

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13458 and 13478. The biggest common factor number is the GCF number.
So the greatest common factor 13458 and 13478 is 2.

Also check out the Least Common Multiple of 13458 and 13478