What is the Greatest Common Factor of 18563 and 18582?

Greatest common factor (GCF) of 18563 and 18582 is 19.

GCF(18563,18582) = 19

We will now calculate the prime factors of 18563 and 18582, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18563 and 18582.

How to find the GCF of 18563 and 18582?

We will first find the prime factorization of 18563 and 18582. After we will calculate the factors of 18563 and 18582 and find the biggest common factor number .

Step-1: Prime Factorization of 18563

Prime factors of 18563 are 19, 977. Prime factorization of 18563 in exponential form is:

18563 = 19¹ × 977¹

Step-2: Prime Factorization of 18582

Prime factors of 18582 are 2, 3, 19, 163. Prime factorization of 18582 in exponential form is:

18582 = 2¹ × 3¹ × 19¹ × 163¹

Step-3: Factors of 18563

List of positive integer factors of 18563 that divides 18563 without a remainder.

1, 19, 977

Step-4: Factors of 18582

List of positive integer factors of 18582 that divides 18563 without a remainder.

1, 2, 3, 6, 19, 38, 57, 114, 163, 326, 489, 978, 3097, 6194, 9291

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18563 and 18582. The biggest common factor number is the GCF number.
So the greatest common factor 18563 and 18582 is 19.

Also check out the Least Common Multiple of 18563 and 18582