What is the Greatest Common Factor of 43218 and 43238?

Greatest common factor (GCF) of 43218 and 43238 is 2.

GCF(43218,43238) = 2

We will now calculate the prime factors of 43218 and 43238, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43218 and 43238.

How to find the GCF of 43218 and 43238?

We will first find the prime factorization of 43218 and 43238. After we will calculate the factors of 43218 and 43238 and find the biggest common factor number .

Step-1: Prime Factorization of 43218

Prime factors of 43218 are 2, 3, 7. Prime factorization of 43218 in exponential form is:

43218 = 2¹ × 3² × 7⁴

Step-2: Prime Factorization of 43238

Prime factors of 43238 are 2, 13, 1663. Prime factorization of 43238 in exponential form is:

43238 = 2¹ × 13¹ × 1663¹

Step-3: Factors of 43218

List of positive integer factors of 43218 that divides 43218 without a remainder.

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 2401, 3087, 4802, 6174, 7203, 14406, 21609

Step-4: Factors of 43238

List of positive integer factors of 43238 that divides 43218 without a remainder.

1, 2, 13, 26, 1663, 3326, 21619

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43218 and 43238. The biggest common factor number is the GCF number.
So the greatest common factor 43218 and 43238 is 2.

Also check out the Least Common Multiple of 43218 and 43238