What is the Greatest Common Factor of 18468 and 18487?

Greatest common factor (GCF) of 18468 and 18487 is 19.

GCF(18468,18487) = 19

We will now calculate the prime factors of 18468 and 18487, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18468 and 18487.

How to find the GCF of 18468 and 18487?

We will first find the prime factorization of 18468 and 18487. After we will calculate the factors of 18468 and 18487 and find the biggest common factor number .

Step-1: Prime Factorization of 18468

Prime factors of 18468 are 2, 3, 19. Prime factorization of 18468 in exponential form is:

18468 = 2² × 3⁵ × 19¹

Step-2: Prime Factorization of 18487

Prime factors of 18487 are 7, 19, 139. Prime factorization of 18487 in exponential form is:

18487 = 7¹ × 19¹ × 139¹

Step-3: Factors of 18468

List of positive integer factors of 18468 that divides 18468 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1539, 2052, 3078, 4617, 6156, 9234

Step-4: Factors of 18487

List of positive integer factors of 18487 that divides 18468 without a remainder.

1, 7, 19, 133, 139, 973, 2641

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18468 and 18487. The biggest common factor number is the GCF number.
So the greatest common factor 18468 and 18487 is 19.

Also check out the Least Common Multiple of 18468 and 18487