GCF and LCM Calculator Logo

What is the Greatest Common Factor of 13921 and 13938?

Greatest common factor (GCF) of 13921 and 13938 is 1.

GCF(13921,13938) = 1

We will now calculate the prime factors of 13921 and 13938, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13921 and 13938.

GCF Calculator and
and

How to find the GCF of 13921 and 13938?

We will first find the prime factorization of 13921 and 13938. After we will calculate the factors of 13921 and 13938 and find the biggest common factor number .

Step-1: Prime Factorization of 13921

Prime factors of 13921 are 13921. Prime factorization of 13921 in exponential form is:

13921 = 139211

Step-2: Prime Factorization of 13938

Prime factors of 13938 are 2, 3, 23, 101. Prime factorization of 13938 in exponential form is:

13938 = 21 × 31 × 231 × 1011

Step-3: Factors of 13921

List of positive integer factors of 13921 that divides 13921 without a remainder.

1

Step-4: Factors of 13938

List of positive integer factors of 13938 that divides 13921 without a remainder.

1, 2, 3, 6, 23, 46, 69, 101, 138, 202, 303, 606, 2323, 4646, 6969

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13921 and 13938. The biggest common factor number is the GCF number.
So the greatest common factor 13921 and 13938 is 1.

Also check out the Least Common Multiple of 13921 and 13938