What is the Greatest Common Factor of 18939 and 18943?

Greatest common factor (GCF) of 18939 and 18943 is 1.

GCF(18939,18943) = 1

We will now calculate the prime factors of 18939 and 18943, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18939 and 18943.

How to find the GCF of 18939 and 18943?

We will first find the prime factorization of 18939 and 18943. After we will calculate the factors of 18939 and 18943 and find the biggest common factor number .

Step-1: Prime Factorization of 18939

Prime factors of 18939 are 3, 59, 107. Prime factorization of 18939 in exponential form is:

18939 = 3¹ × 59¹ × 107¹

Step-2: Prime Factorization of 18943

Prime factors of 18943 are 19, 997. Prime factorization of 18943 in exponential form is:

18943 = 19¹ × 997¹

Step-3: Factors of 18939

List of positive integer factors of 18939 that divides 18939 without a remainder.

1, 3, 59, 107, 177, 321, 6313

Step-4: Factors of 18943

List of positive integer factors of 18943 that divides 18939 without a remainder.

1, 19, 997

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18939 and 18943. The biggest common factor number is the GCF number.
So the greatest common factor 18939 and 18943 is 1.

Also check out the Least Common Multiple of 18939 and 18943