What is the Greatest Common Factor of 76420 and 76439?

Greatest common factor (GCF) of 76420 and 76439 is 1.

GCF(76420,76439) = 1

We will now calculate the prime factors of 76420 and 76439, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 76420 and 76439.

How to find the GCF of 76420 and 76439?

We will first find the prime factorization of 76420 and 76439. After we will calculate the factors of 76420 and 76439 and find the biggest common factor number .

Step-1: Prime Factorization of 76420

Prime factors of 76420 are 2, 5, 3821. Prime factorization of 76420 in exponential form is:

76420 = 2² × 5¹ × 3821¹

Step-2: Prime Factorization of 76439

Prime factors of 76439 are 11, 6949. Prime factorization of 76439 in exponential form is:

76439 = 11¹ × 6949¹

Step-3: Factors of 76420

List of positive integer factors of 76420 that divides 76420 without a remainder.

1, 2, 4, 5, 10, 20, 3821, 7642, 15284, 19105, 38210

Step-4: Factors of 76439

List of positive integer factors of 76439 that divides 76420 without a remainder.

1, 11, 6949

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 76420 and 76439. The biggest common factor number is the GCF number.
So the greatest common factor 76420 and 76439 is 1.

Also check out the Least Common Multiple of 76420 and 76439