What is the Greatest Common Factor of 7218 and 7222?

Greatest common factor (GCF) of 7218 and 7222 is 2.

GCF(7218,7222) = 2

We will now calculate the prime factors of 7218 and 7222, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7218 and 7222.

How to find the GCF of 7218 and 7222?

We will first find the prime factorization of 7218 and 7222. After we will calculate the factors of 7218 and 7222 and find the biggest common factor number .

Step-1: Prime Factorization of 7218

Prime factors of 7218 are 2, 3, 401. Prime factorization of 7218 in exponential form is:

7218 = 2¹ × 3² × 401¹

Step-2: Prime Factorization of 7222

Prime factors of 7222 are 2, 23, 157. Prime factorization of 7222 in exponential form is:

7222 = 2¹ × 23¹ × 157¹

Step-3: Factors of 7218

List of positive integer factors of 7218 that divides 7218 without a remainder.

1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 3609

Step-4: Factors of 7222

List of positive integer factors of 7222 that divides 7218 without a remainder.

1, 2, 23, 46, 157, 314, 3611

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7218 and 7222. The biggest common factor number is the GCF number.
So the greatest common factor 7218 and 7222 is 2.

Also check out the Least Common Multiple of 7218 and 7222