What is the Greatest Common Factor of 28143 and 28163?

Greatest common factor (GCF) of 28143 and 28163 is 1.

GCF(28143,28163) = 1

We will now calculate the prime factors of 28143 and 28163, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28143 and 28163.

How to find the GCF of 28143 and 28163?

We will first find the prime factorization of 28143 and 28163. After we will calculate the factors of 28143 and 28163 and find the biggest common factor number .

Step-1: Prime Factorization of 28143

Prime factors of 28143 are 3, 53, 59. Prime factorization of 28143 in exponential form is:

28143 = 3² × 53¹ × 59¹

Step-2: Prime Factorization of 28163

Prime factors of 28163 are 28163. Prime factorization of 28163 in exponential form is:

28163 = 28163¹

Step-3: Factors of 28143

List of positive integer factors of 28143 that divides 28143 without a remainder.

1, 3, 9, 53, 59, 159, 177, 477, 531, 3127, 9381

Step-4: Factors of 28163

List of positive integer factors of 28163 that divides 28143 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28143 and 28163. The biggest common factor number is the GCF number.
So the greatest common factor 28143 and 28163 is 1.

Also check out the Least Common Multiple of 28143 and 28163