What is the Greatest Common Factor of 19218 and 19226?

Greatest common factor (GCF) of 19218 and 19226 is 2.

GCF(19218,19226) = 2

We will now calculate the prime factors of 19218 and 19226, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19218 and 19226.

How to find the GCF of 19218 and 19226?

We will first find the prime factorization of 19218 and 19226. After we will calculate the factors of 19218 and 19226 and find the biggest common factor number .

Step-1: Prime Factorization of 19218

Prime factors of 19218 are 2, 3, 3203. Prime factorization of 19218 in exponential form is:

19218 = 2¹ × 3¹ × 3203¹

Step-2: Prime Factorization of 19226

Prime factors of 19226 are 2, 9613. Prime factorization of 19226 in exponential form is:

19226 = 2¹ × 9613¹

Step-3: Factors of 19218

List of positive integer factors of 19218 that divides 19218 without a remainder.

1, 2, 3, 6, 3203, 6406, 9609

Step-4: Factors of 19226

List of positive integer factors of 19226 that divides 19218 without a remainder.

1, 2, 9613

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19218 and 19226. The biggest common factor number is the GCF number.
So the greatest common factor 19218 and 19226 is 2.

Also check out the Least Common Multiple of 19218 and 19226