What is the Greatest Common Factor of 18946 and 18963?

Greatest common factor (GCF) of 18946 and 18963 is 1.

GCF(18946,18963) = 1

We will now calculate the prime factors of 18946 and 18963, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18946 and 18963.

How to find the GCF of 18946 and 18963?

We will first find the prime factorization of 18946 and 18963. After we will calculate the factors of 18946 and 18963 and find the biggest common factor number .

Step-1: Prime Factorization of 18946

Prime factors of 18946 are 2, 9473. Prime factorization of 18946 in exponential form is:

18946 = 2¹ × 9473¹

Step-2: 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-3: Factors of 18946

List of positive integer factors of 18946 that divides 18946 without a remainder.

1, 2, 9473

Step-4: Factors of 18963

List of positive integer factors of 18963 that divides 18946 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18946 and 18963. The biggest common factor number is the GCF number.
So the greatest common factor 18946 and 18963 is 1.

Also check out the Least Common Multiple of 18946 and 18963