What is the Greatest Common Factor of 83420 and 83428?

Greatest common factor (GCF) of 83420 and 83428 is 4.

GCF(83420,83428) = 4

We will now calculate the prime factors of 83420 and 83428, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 83420 and 83428.

How to find the GCF of 83420 and 83428?

We will first find the prime factorization of 83420 and 83428. After we will calculate the factors of 83420 and 83428 and find the biggest common factor number .

Step-1: Prime Factorization of 83420

Prime factors of 83420 are 2, 5, 43, 97. Prime factorization of 83420 in exponential form is:

83420 = 2² × 5¹ × 43¹ × 97¹

Step-2: Prime Factorization of 83428

Prime factors of 83428 are 2, 20857. Prime factorization of 83428 in exponential form is:

83428 = 2² × 20857¹

Step-3: Factors of 83420

List of positive integer factors of 83420 that divides 83420 without a remainder.

1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 430, 485, 860, 970, 1940, 4171, 8342, 16684, 20855, 41710

Step-4: Factors of 83428

List of positive integer factors of 83428 that divides 83420 without a remainder.

1, 2, 4, 20857, 41714

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 83420 and 83428. The biggest common factor number is the GCF number.
So the greatest common factor 83420 and 83428 is 4.

Also check out the Least Common Multiple of 83420 and 83428