What is the Greatest Common Factor of 18543 and 18562?

Greatest common factor (GCF) of 18543 and 18562 is 1.

GCF(18543,18562) = 1

We will now calculate the prime factors of 18543 and 18562, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18543 and 18562.

How to find the GCF of 18543 and 18562?

We will first find the prime factorization of 18543 and 18562. After we will calculate the factors of 18543 and 18562 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 18562

Prime factors of 18562 are 2, 9281. Prime factorization of 18562 in exponential form is:

18562 = 2¹ × 9281¹

Step-3: Factors of 18543

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

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

Step-4: Factors of 18562

List of positive integer factors of 18562 that divides 18543 without a remainder.

1, 2, 9281

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18543 and 18562. The biggest common factor number is the GCF number.
So the greatest common factor 18543 and 18562 is 1.

Also check out the Least Common Multiple of 18543 and 18562