What is the Greatest Common Factor of 18203 and 18218?

Greatest common factor (GCF) of 18203 and 18218 is 1.

GCF(18203,18218) = 1

We will now calculate the prime factors of 18203 and 18218, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18203 and 18218.

How to find the GCF of 18203 and 18218?

We will first find the prime factorization of 18203 and 18218. After we will calculate the factors of 18203 and 18218 and find the biggest common factor number .

Step-1: Prime Factorization of 18203

Prime factors of 18203 are 109, 167. Prime factorization of 18203 in exponential form is:

18203 = 109¹ × 167¹

Step-2: Prime Factorization of 18218

Prime factors of 18218 are 2, 9109. Prime factorization of 18218 in exponential form is:

18218 = 2¹ × 9109¹

Step-3: Factors of 18203

List of positive integer factors of 18203 that divides 18203 without a remainder.

1, 109, 167

Step-4: Factors of 18218

List of positive integer factors of 18218 that divides 18203 without a remainder.

1, 2, 9109

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18203 and 18218. The biggest common factor number is the GCF number.
So the greatest common factor 18203 and 18218 is 1.

Also check out the Least Common Multiple of 18203 and 18218