What is the Greatest Common Factor of 13985 and 13989?

Greatest common factor (GCF) of 13985 and 13989 is 1.

GCF(13985,13989) = 1

We will now calculate the prime factors of 13985 and 13989, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13985 and 13989.

How to find the GCF of 13985 and 13989?

We will first find the prime factorization of 13985 and 13989. After we will calculate the factors of 13985 and 13989 and find the biggest common factor number .

Step-1: Prime Factorization of 13985

Prime factors of 13985 are 5, 2797. Prime factorization of 13985 in exponential form is:

13985 = 5¹ × 2797¹

Step-2: Prime Factorization of 13989

Prime factors of 13989 are 3, 4663. Prime factorization of 13989 in exponential form is:

13989 = 3¹ × 4663¹

Step-3: Factors of 13985

List of positive integer factors of 13985 that divides 13985 without a remainder.

1, 5, 2797

Step-4: Factors of 13989

List of positive integer factors of 13989 that divides 13985 without a remainder.

1, 3, 4663

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13985 and 13989. The biggest common factor number is the GCF number.
So the greatest common factor 13985 and 13989 is 1.

Also check out the Least Common Multiple of 13985 and 13989