What is the Greatest Common Factor of 19889 and 19893?

Greatest common factor (GCF) of 19889 and 19893 is 1.

GCF(19889,19893) = 1

We will now calculate the prime factors of 19889 and 19893, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19889 and 19893.

How to find the GCF of 19889 and 19893?

We will first find the prime factorization of 19889 and 19893. After we will calculate the factors of 19889 and 19893 and find the biggest common factor number .

Step-1: Prime Factorization of 19889

Prime factors of 19889 are 19889. Prime factorization of 19889 in exponential form is:

19889 = 19889¹

Step-2: Prime Factorization of 19893

Prime factors of 19893 are 3, 19, 349. Prime factorization of 19893 in exponential form is:

19893 = 3¹ × 19¹ × 349¹

Step-3: Factors of 19889

List of positive integer factors of 19889 that divides 19889 without a remainder.

Step-4: Factors of 19893

List of positive integer factors of 19893 that divides 19889 without a remainder.

1, 3, 19, 57, 349, 1047, 6631

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19889 and 19893. The biggest common factor number is the GCF number.
So the greatest common factor 19889 and 19893 is 1.

Also check out the Least Common Multiple of 19889 and 19893