What is the Greatest Common Factor of 13438 and 13457?

Greatest common factor (GCF) of 13438 and 13457 is 1.

GCF(13438,13457) = 1

We will now calculate the prime factors of 13438 and 13457, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13438 and 13457.

How to find the GCF of 13438 and 13457?

We will first find the prime factorization of 13438 and 13457. After we will calculate the factors of 13438 and 13457 and find the biggest common factor number .

Step-1: Prime Factorization of 13438

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

13438 = 2¹ × 6719¹

Step-2: Prime Factorization of 13457

Prime factors of 13457 are 13457. Prime factorization of 13457 in exponential form is:

13457 = 13457¹

Step-3: Factors of 13438

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

1, 2, 6719

Step-4: Factors of 13457

List of positive integer factors of 13457 that divides 13438 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13438 and 13457. The biggest common factor number is the GCF number.
So the greatest common factor 13438 and 13457 is 1.

Also check out the Least Common Multiple of 13438 and 13457