What is the Greatest Common Factor of 78424 and 78443?

Greatest common factor (GCF) of 78424 and 78443 is 1.

GCF(78424,78443) = 1

We will now calculate the prime factors of 78424 and 78443, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78424 and 78443.

How to find the GCF of 78424 and 78443?

We will first find the prime factorization of 78424 and 78443. After we will calculate the factors of 78424 and 78443 and find the biggest common factor number .

Step-1: Prime Factorization of 78424

Prime factors of 78424 are 2, 9803. Prime factorization of 78424 in exponential form is:

78424 = 2³ × 9803¹

Step-2: Prime Factorization of 78443

Prime factors of 78443 are 47, 1669. Prime factorization of 78443 in exponential form is:

78443 = 47¹ × 1669¹

Step-3: Factors of 78424

List of positive integer factors of 78424 that divides 78424 without a remainder.

1, 2, 4, 8, 9803, 19606, 39212

Step-4: Factors of 78443

List of positive integer factors of 78443 that divides 78424 without a remainder.

1, 47, 1669

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78424 and 78443. The biggest common factor number is the GCF number.
So the greatest common factor 78424 and 78443 is 1.

Also check out the Least Common Multiple of 78424 and 78443