What is the Greatest Common Factor of 42338 and 42356?

Greatest common factor (GCF) of 42338 and 42356 is 2.

GCF(42338,42356) = 2

We will now calculate the prime factors of 42338 and 42356, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42338 and 42356.

How to find the GCF of 42338 and 42356?

We will first find the prime factorization of 42338 and 42356. After we will calculate the factors of 42338 and 42356 and find the biggest common factor number .

Step-1: Prime Factorization of 42338

Prime factors of 42338 are 2, 21169. Prime factorization of 42338 in exponential form is:

42338 = 2¹ × 21169¹

Step-2: Prime Factorization of 42356

Prime factors of 42356 are 2, 10589. Prime factorization of 42356 in exponential form is:

42356 = 2² × 10589¹

Step-3: Factors of 42338

List of positive integer factors of 42338 that divides 42338 without a remainder.

1, 2, 21169

Step-4: Factors of 42356

List of positive integer factors of 42356 that divides 42338 without a remainder.

1, 2, 4, 10589, 21178

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42338 and 42356. The biggest common factor number is the GCF number.
So the greatest common factor 42338 and 42356 is 2.

Also check out the Least Common Multiple of 42338 and 42356