What is the Greatest Common Factor of 20943 and 20959?

Greatest common factor (GCF) of 20943 and 20959 is 1.

GCF(20943,20959) = 1

We will now calculate the prime factors of 20943 and 20959, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20943 and 20959.

How to find the GCF of 20943 and 20959?

We will first find the prime factorization of 20943 and 20959. After we will calculate the factors of 20943 and 20959 and find the biggest common factor number .

Step-1: Prime Factorization of 20943

Prime factors of 20943 are 3, 13, 179. Prime factorization of 20943 in exponential form is:

20943 = 3² × 13¹ × 179¹

Step-2: Prime Factorization of 20959

Prime factors of 20959 are 20959. Prime factorization of 20959 in exponential form is:

20959 = 20959¹

Step-3: Factors of 20943

List of positive integer factors of 20943 that divides 20943 without a remainder.

1, 3, 9, 13, 39, 117, 179, 537, 1611, 2327, 6981

Step-4: Factors of 20959

List of positive integer factors of 20959 that divides 20943 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20943 and 20959. The biggest common factor number is the GCF number.
So the greatest common factor 20943 and 20959 is 1.

Also check out the Least Common Multiple of 20943 and 20959