What is the Greatest Common Factor of 40518 and 40538?

Greatest common factor (GCF) of 40518 and 40538 is 2.

GCF(40518,40538) = 2

We will now calculate the prime factors of 40518 and 40538, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40518 and 40538.

How to find the GCF of 40518 and 40538?

We will first find the prime factorization of 40518 and 40538. After we will calculate the factors of 40518 and 40538 and find the biggest common factor number .

Step-1: Prime Factorization of 40518

Prime factors of 40518 are 2, 3, 2251. Prime factorization of 40518 in exponential form is:

40518 = 2¹ × 3² × 2251¹

Step-2: Prime Factorization of 40538

Prime factors of 40538 are 2, 20269. Prime factorization of 40538 in exponential form is:

40538 = 2¹ × 20269¹

Step-3: Factors of 40518

List of positive integer factors of 40518 that divides 40518 without a remainder.

1, 2, 3, 6, 9, 18, 2251, 4502, 6753, 13506, 20259

Step-4: Factors of 40538

List of positive integer factors of 40538 that divides 40518 without a remainder.

1, 2, 20269

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40518 and 40538. The biggest common factor number is the GCF number.
So the greatest common factor 40518 and 40538 is 2.

Also check out the Least Common Multiple of 40518 and 40538