What is the Greatest Common Factor of 43938 and 43947?

Greatest common factor (GCF) of 43938 and 43947 is 9.

GCF(43938,43947) = 9

We will now calculate the prime factors of 43938 and 43947, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43938 and 43947.

How to find the GCF of 43938 and 43947?

We will first find the prime factorization of 43938 and 43947. After we will calculate the factors of 43938 and 43947 and find the biggest common factor number .

Step-1: Prime Factorization of 43938

Prime factors of 43938 are 2, 3, 2441. Prime factorization of 43938 in exponential form is:

43938 = 2¹ × 3² × 2441¹

Step-2: Prime Factorization of 43947

Prime factors of 43947 are 3, 19, 257. Prime factorization of 43947 in exponential form is:

43947 = 3² × 19¹ × 257¹

Step-3: Factors of 43938

List of positive integer factors of 43938 that divides 43938 without a remainder.

1, 2, 3, 6, 9, 18, 2441, 4882, 7323, 14646, 21969

Step-4: Factors of 43947

List of positive integer factors of 43947 that divides 43938 without a remainder.

1, 3, 9, 19, 57, 171, 257, 771, 2313, 4883, 14649

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43938 and 43947. The biggest common factor number is the GCF number.
So the greatest common factor 43938 and 43947 is 9.

Also check out the Least Common Multiple of 43938 and 43947