What is the Greatest Common Factor of 18178 and 18188?

Greatest common factor (GCF) of 18178 and 18188 is 2.

GCF(18178,18188) = 2

We will now calculate the prime factors of 18178 and 18188, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18178 and 18188.

How to find the GCF of 18178 and 18188?

We will first find the prime factorization of 18178 and 18188. After we will calculate the factors of 18178 and 18188 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 18188

Prime factors of 18188 are 2, 4547. Prime factorization of 18188 in exponential form is:

18188 = 2² × 4547¹

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 18188

List of positive integer factors of 18188 that divides 18178 without a remainder.

1, 2, 4, 4547, 9094

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18178 and 18188. The biggest common factor number is the GCF number.
So the greatest common factor 18178 and 18188 is 2.

Also check out the Least Common Multiple of 18178 and 18188