GCF and LCM Calculator Logo

What is the Greatest Common Factor of 338 and 353?

Greatest common factor (GCF) of 338 and 353 is 1.

GCF(338,353) = 1

We will now calculate the prime factors of 338 and 353, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 338 and 353.

GCF Calculator and
and

How to find the GCF of 338 and 353?

We will first find the prime factorization of 338 and 353. After we will calculate the factors of 338 and 353 and find the biggest common factor number .

Step-1: Prime Factorization of 338

Prime factors of 338 are 2, 13. Prime factorization of 338 in exponential form is:

338 = 21 × 132

Step-2: Prime Factorization of 353

Prime factors of 353 are 353. Prime factorization of 353 in exponential form is:

353 = 3531

Step-3: Factors of 338

List of positive integer factors of 338 that divides 338 without a remainder.

1, 2, 13, 26, 169

Step-4: Factors of 353

List of positive integer factors of 353 that divides 338 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 338 and 353. The biggest common factor number is the GCF number.
So the greatest common factor 338 and 353 is 1.

Also check out the Least Common Multiple of 338 and 353