What is the Greatest Common Factor of 18138 and 18149?

Greatest common factor (GCF) of 18138 and 18149 is 1.

GCF(18138,18149) = 1

We will now calculate the prime factors of 18138 and 18149, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18138 and 18149.

How to find the GCF of 18138 and 18149?

We will first find the prime factorization of 18138 and 18149. After we will calculate the factors of 18138 and 18149 and find the biggest common factor number .

Step-1: Prime Factorization of 18138

Prime factors of 18138 are 2, 3, 3023. Prime factorization of 18138 in exponential form is:

18138 = 2¹ × 3¹ × 3023¹

Step-2: Prime Factorization of 18149

Prime factors of 18149 are 18149. Prime factorization of 18149 in exponential form is:

18149 = 18149¹

Step-3: Factors of 18138

List of positive integer factors of 18138 that divides 18138 without a remainder.

1, 2, 3, 6, 3023, 6046, 9069

Step-4: Factors of 18149

List of positive integer factors of 18149 that divides 18138 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18138 and 18149. The biggest common factor number is the GCF number.
So the greatest common factor 18138 and 18149 is 1.

Also check out the Least Common Multiple of 18138 and 18149