What is the Greatest Common Factor of 42310 and 42318?

Greatest common factor (GCF) of 42310 and 42318 is 2.

GCF(42310,42318) = 2

We will now calculate the prime factors of 42310 and 42318, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42310 and 42318.

How to find the GCF of 42310 and 42318?

We will first find the prime factorization of 42310 and 42318. After we will calculate the factors of 42310 and 42318 and find the biggest common factor number .

Step-1: Prime Factorization of 42310

Prime factors of 42310 are 2, 5, 4231. Prime factorization of 42310 in exponential form is:

42310 = 2¹ × 5¹ × 4231¹

Step-2: 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-3: Factors of 42310

List of positive integer factors of 42310 that divides 42310 without a remainder.

1, 2, 5, 10, 4231, 8462, 21155

Step-4: Factors of 42318

List of positive integer factors of 42318 that divides 42310 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42310 and 42318. The biggest common factor number is the GCF number.
So the greatest common factor 42310 and 42318 is 2.

Also check out the Least Common Multiple of 42310 and 42318