What is the Greatest Common Factor of 7218 and 7238?

Greatest common factor (GCF) of 7218 and 7238 is 2.

GCF(7218,7238) = 2

We will now calculate the prime factors of 7218 and 7238, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7218 and 7238.

How to find the GCF of 7218 and 7238?

We will first find the prime factorization of 7218 and 7238. After we will calculate the factors of 7218 and 7238 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 7238

Prime factors of 7238 are 2, 7, 11, 47. Prime factorization of 7238 in exponential form is:

7238 = 2¹ × 7¹ × 11¹ × 47¹

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 7238

List of positive integer factors of 7238 that divides 7218 without a remainder.

1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 329, 517, 658, 1034, 3619

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7218 and 7238. The biggest common factor number is the GCF number.
So the greatest common factor 7218 and 7238 is 2.

Also check out the Least Common Multiple of 7218 and 7238