What is the Greatest Common Factor of 13990 and 13999?

Greatest common factor (GCF) of 13990 and 13999 is 1.

GCF(13990,13999) = 1

We will now calculate the prime factors of 13990 and 13999, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13990 and 13999.

How to find the GCF of 13990 and 13999?

We will first find the prime factorization of 13990 and 13999. After we will calculate the factors of 13990 and 13999 and find the biggest common factor number .

Step-1: Prime Factorization of 13990

Prime factors of 13990 are 2, 5, 1399. Prime factorization of 13990 in exponential form is:

13990 = 2¹ × 5¹ × 1399¹

Step-2: Prime Factorization of 13999

Prime factors of 13999 are 13999. Prime factorization of 13999 in exponential form is:

13999 = 13999¹

Step-3: Factors of 13990

List of positive integer factors of 13990 that divides 13990 without a remainder.

1, 2, 5, 10, 1399, 2798, 6995

Step-4: Factors of 13999

List of positive integer factors of 13999 that divides 13990 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13990 and 13999. The biggest common factor number is the GCF number.
So the greatest common factor 13990 and 13999 is 1.

Also check out the Least Common Multiple of 13990 and 13999