What is the Greatest Common Factor of 43719 and 43738?

Greatest common factor (GCF) of 43719 and 43738 is 19.

GCF(43719,43738) = 19

We will now calculate the prime factors of 43719 and 43738, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43719 and 43738.

How to find the GCF of 43719 and 43738?

We will first find the prime factorization of 43719 and 43738. After we will calculate the factors of 43719 and 43738 and find the biggest common factor number .

Step-1: Prime Factorization of 43719

Prime factors of 43719 are 3, 13, 19, 59. Prime factorization of 43719 in exponential form is:

43719 = 3¹ × 13¹ × 19¹ × 59¹

Step-2: Prime Factorization of 43738

Prime factors of 43738 are 2, 19, 1151. Prime factorization of 43738 in exponential form is:

43738 = 2¹ × 19¹ × 1151¹

Step-3: Factors of 43719

List of positive integer factors of 43719 that divides 43719 without a remainder.

1, 3, 13, 19, 39, 57, 59, 177, 247, 741, 767, 1121, 2301, 3363, 14573

Step-4: Factors of 43738

List of positive integer factors of 43738 that divides 43719 without a remainder.

1, 2, 19, 38, 1151, 2302, 21869

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43719 and 43738. The biggest common factor number is the GCF number.
So the greatest common factor 43719 and 43738 is 19.

Also check out the Least Common Multiple of 43719 and 43738