What is the Greatest Common Factor of 18178 and 18191?

Greatest common factor (GCF) of 18178 and 18191 is 1.

GCF(18178,18191) = 1

We will now calculate the prime factors of 18178 and 18191, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18178 and 18191.

How to find the GCF of 18178 and 18191?

We will first find the prime factorization of 18178 and 18191. After we will calculate the factors of 18178 and 18191 and find the biggest common factor number .

Step-1: Prime Factorization of 18178

Prime factors of 18178 are 2, 61, 149. Prime factorization of 18178 in exponential form is:

18178 = 2¹ × 61¹ × 149¹

Step-2: Prime Factorization of 18191

Prime factors of 18191 are 18191. Prime factorization of 18191 in exponential form is:

18191 = 18191¹

Step-3: Factors of 18178

List of positive integer factors of 18178 that divides 18178 without a remainder.

1, 2, 61, 122, 149, 298, 9089

Step-4: Factors of 18191

List of positive integer factors of 18191 that divides 18178 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18178 and 18191. The biggest common factor number is the GCF number.
So the greatest common factor 18178 and 18191 is 1.

Also check out the Least Common Multiple of 18178 and 18191