What is the Greatest Common Factor of 18537 and 18543?

Greatest common factor (GCF) of 18537 and 18543 is 3.

GCF(18537,18543) = 3

We will now calculate the prime factors of 18537 and 18543, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18537 and 18543.

How to find the GCF of 18537 and 18543?

We will first find the prime factorization of 18537 and 18543. After we will calculate the factors of 18537 and 18543 and find the biggest common factor number .

Step-1: Prime Factorization of 18537

Prime factors of 18537 are 3, 37, 167. Prime factorization of 18537 in exponential form is:

18537 = 3¹ × 37¹ × 167¹

Step-2: Prime Factorization of 18543

Prime factors of 18543 are 3, 7, 883. Prime factorization of 18543 in exponential form is:

18543 = 3¹ × 7¹ × 883¹

Step-3: Factors of 18537

List of positive integer factors of 18537 that divides 18537 without a remainder.

1, 3, 37, 111, 167, 501, 6179

Step-4: Factors of 18543

List of positive integer factors of 18543 that divides 18537 without a remainder.

1, 3, 7, 21, 883, 2649, 6181

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18537 and 18543. The biggest common factor number is the GCF number.
So the greatest common factor 18537 and 18543 is 3.

Also check out the Least Common Multiple of 18537 and 18543