What is the Greatest Common Factor of 13391 and 13398?

Greatest common factor (GCF) of 13391 and 13398 is 7.

GCF(13391,13398) = 7

We will now calculate the prime factors of 13391 and 13398, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13391 and 13398.

How to find the GCF of 13391 and 13398?

We will first find the prime factorization of 13391 and 13398. After we will calculate the factors of 13391 and 13398 and find the biggest common factor number .

Step-1: Prime Factorization of 13391

Prime factors of 13391 are 7, 1913. Prime factorization of 13391 in exponential form is:

13391 = 7¹ × 1913¹

Step-2: Prime Factorization of 13398

Prime factors of 13398 are 2, 3, 7, 11, 29. Prime factorization of 13398 in exponential form is:

13398 = 2¹ × 3¹ × 7¹ × 11¹ × 29¹

Step-3: Factors of 13391

List of positive integer factors of 13391 that divides 13391 without a remainder.

1, 7, 1913

Step-4: Factors of 13398

List of positive integer factors of 13398 that divides 13391 without a remainder.

1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 58, 66, 77, 87, 154, 174, 203, 231, 319, 406, 462, 609, 638, 957, 1218, 1914, 2233, 4466, 6699

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13391 and 13398. The biggest common factor number is the GCF number.
So the greatest common factor 13391 and 13398 is 7.

Also check out the Least Common Multiple of 13391 and 13398