What is the Greatest Common Factor of 42318 and 42338?

Greatest common factor (GCF) of 42318 and 42338 is 2.

GCF(42318,42338) = 2

We will now calculate the prime factors of 42318 and 42338, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42318 and 42338.

How to find the GCF of 42318 and 42338?

We will first find the prime factorization of 42318 and 42338. After we will calculate the factors of 42318 and 42338 and find the biggest common factor number .

Step-1: Prime Factorization of 42318

Prime factors of 42318 are 2, 3, 2351. Prime factorization of 42318 in exponential form is:

42318 = 2¹ × 3² × 2351¹

Step-2: Prime Factorization of 42338

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

42338 = 2¹ × 21169¹

Step-3: Factors of 42318

List of positive integer factors of 42318 that divides 42318 without a remainder.

1, 2, 3, 6, 9, 18, 2351, 4702, 7053, 14106, 21159

Step-4: Factors of 42338

List of positive integer factors of 42338 that divides 42318 without a remainder.

1, 2, 21169

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42318 and 42338. The biggest common factor number is the GCF number.
So the greatest common factor 42318 and 42338 is 2.

Also check out the Least Common Multiple of 42318 and 42338