What is the Greatest Common Factor of 13991 and 13996?

Greatest common factor (GCF) of 13991 and 13996 is 1.

GCF(13991,13996) = 1

We will now calculate the prime factors of 13991 and 13996, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13991 and 13996.

How to find the GCF of 13991 and 13996?

We will first find the prime factorization of 13991 and 13996. After we will calculate the factors of 13991 and 13996 and find the biggest common factor number .

Step-1: Prime Factorization of 13991

Prime factors of 13991 are 17, 823. Prime factorization of 13991 in exponential form is:

13991 = 17¹ × 823¹

Step-2: Prime Factorization of 13996

Prime factors of 13996 are 2, 3499. Prime factorization of 13996 in exponential form is:

13996 = 2² × 3499¹

Step-3: Factors of 13991

List of positive integer factors of 13991 that divides 13991 without a remainder.

1, 17, 823

Step-4: Factors of 13996

List of positive integer factors of 13996 that divides 13991 without a remainder.

1, 2, 4, 3499, 6998

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13991 and 13996. The biggest common factor number is the GCF number.
So the greatest common factor 13991 and 13996 is 1.

Also check out the Least Common Multiple of 13991 and 13996