What is the Greatest Common Factor of 66338 and 66356?

Greatest common factor (GCF) of 66338 and 66356 is 2.

GCF(66338,66356) = 2

We will now calculate the prime factors of 66338 and 66356, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66338 and 66356.

How to find the GCF of 66338 and 66356?

We will first find the prime factorization of 66338 and 66356. After we will calculate the factors of 66338 and 66356 and find the biggest common factor number .

Step-1: Prime Factorization of 66338

Prime factors of 66338 are 2, 41, 809. Prime factorization of 66338 in exponential form is:

66338 = 2¹ × 41¹ × 809¹

Step-2: Prime Factorization of 66356

Prime factors of 66356 are 2, 53, 313. Prime factorization of 66356 in exponential form is:

66356 = 2² × 53¹ × 313¹

Step-3: Factors of 66338

List of positive integer factors of 66338 that divides 66338 without a remainder.

1, 2, 41, 82, 809, 1618, 33169

Step-4: Factors of 66356

List of positive integer factors of 66356 that divides 66338 without a remainder.

1, 2, 4, 53, 106, 212, 313, 626, 1252, 16589, 33178

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66338 and 66356. The biggest common factor number is the GCF number.
So the greatest common factor 66338 and 66356 is 2.

Also check out the Least Common Multiple of 66338 and 66356