What is the Greatest Common Factor of 40518 and 40536?

Greatest common factor (GCF) of 40518 and 40536 is 18.

GCF(40518,40536) = 18

We will now calculate the prime factors of 40518 and 40536, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40518 and 40536.

How to find the GCF of 40518 and 40536?

We will first find the prime factorization of 40518 and 40536. After we will calculate the factors of 40518 and 40536 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 40536

Prime factors of 40536 are 2, 3, 563. Prime factorization of 40536 in exponential form is:

40536 = 2³ × 3² × 563¹

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 40536

List of positive integer factors of 40536 that divides 40518 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 563, 1126, 1689, 2252, 3378, 4504, 5067, 6756, 10134, 13512, 20268

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40518 and 40536. The biggest common factor number is the GCF number.
So the greatest common factor 40518 and 40536 is 18.

Also check out the Least Common Multiple of 40518 and 40536