What is the Greatest Common Factor of 42439 and 42443?

Greatest common factor (GCF) of 42439 and 42443 is 1.

GCF(42439,42443) = 1

We will now calculate the prime factors of 42439 and 42443, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42439 and 42443.

How to find the GCF of 42439 and 42443?

We will first find the prime factorization of 42439 and 42443. After we will calculate the factors of 42439 and 42443 and find the biggest common factor number .

Step-1: Prime Factorization of 42439

Prime factors of 42439 are 31, 37. Prime factorization of 42439 in exponential form is:

42439 = 31¹ × 37²

Step-2: Prime Factorization of 42443

Prime factors of 42443 are 42443. Prime factorization of 42443 in exponential form is:

42443 = 42443¹

Step-3: Factors of 42439

List of positive integer factors of 42439 that divides 42439 without a remainder.

1, 31, 37, 1147, 1369

Step-4: Factors of 42443

List of positive integer factors of 42443 that divides 42439 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42439 and 42443. The biggest common factor number is the GCF number.
So the greatest common factor 42439 and 42443 is 1.

Also check out the Least Common Multiple of 42439 and 42443