What is the Greatest Common Factor of 18963 and 18982?

Greatest common factor (GCF) of 18963 and 18982 is 1.

GCF(18963,18982) = 1

We will now calculate the prime factors of 18963 and 18982, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18963 and 18982.

How to find the GCF of 18963 and 18982?

We will first find the prime factorization of 18963 and 18982. After we will calculate the factors of 18963 and 18982 and find the biggest common factor number .

Step-1: Prime Factorization of 18963

Prime factors of 18963 are 3, 7, 43. Prime factorization of 18963 in exponential form is:

18963 = 3² × 7² × 43¹

Step-2: Prime Factorization of 18982

Prime factors of 18982 are 2, 9491. Prime factorization of 18982 in exponential form is:

18982 = 2¹ × 9491¹

Step-3: Factors of 18963

List of positive integer factors of 18963 that divides 18963 without a remainder.

1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 2107, 2709, 6321

Step-4: Factors of 18982

List of positive integer factors of 18982 that divides 18963 without a remainder.

1, 2, 9491

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18963 and 18982. The biggest common factor number is the GCF number.
So the greatest common factor 18963 and 18982 is 1.

Also check out the Least Common Multiple of 18963 and 18982