What is the Greatest Common Factor of 18486 and 18499?

Greatest common factor (GCF) of 18486 and 18499 is 13.

GCF(18486,18499) = 13

We will now calculate the prime factors of 18486 and 18499, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18486 and 18499.

How to find the GCF of 18486 and 18499?

We will first find the prime factorization of 18486 and 18499. After we will calculate the factors of 18486 and 18499 and find the biggest common factor number .

Step-1: Prime Factorization of 18486

Prime factors of 18486 are 2, 3, 13, 79. Prime factorization of 18486 in exponential form is:

18486 = 2¹ × 3² × 13¹ × 79¹

Step-2: Prime Factorization of 18499

Prime factors of 18499 are 13, 1423. Prime factorization of 18499 in exponential form is:

18499 = 13¹ × 1423¹

Step-3: Factors of 18486

List of positive integer factors of 18486 that divides 18486 without a remainder.

1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 79, 117, 158, 234, 237, 474, 711, 1027, 1422, 2054, 3081, 6162, 9243

Step-4: Factors of 18499

List of positive integer factors of 18499 that divides 18486 without a remainder.

1, 13, 1423

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18486 and 18499. The biggest common factor number is the GCF number.
So the greatest common factor 18486 and 18499 is 13.

Also check out the Least Common Multiple of 18486 and 18499