What is the Greatest Common Factor of 19143 and 19157?

Greatest common factor (GCF) of 19143 and 19157 is 1.

GCF(19143,19157) = 1

We will now calculate the prime factors of 19143 and 19157, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19143 and 19157.

How to find the GCF of 19143 and 19157?

We will first find the prime factorization of 19143 and 19157. After we will calculate the factors of 19143 and 19157 and find the biggest common factor number .

Step-1: Prime Factorization of 19143

Prime factors of 19143 are 3, 709. Prime factorization of 19143 in exponential form is:

19143 = 3³ × 709¹

Step-2: Prime Factorization of 19157

Prime factors of 19157 are 19157. Prime factorization of 19157 in exponential form is:

19157 = 19157¹

Step-3: Factors of 19143

List of positive integer factors of 19143 that divides 19143 without a remainder.

1, 3, 9, 27, 709, 2127, 6381

Step-4: Factors of 19157

List of positive integer factors of 19157 that divides 19143 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19143 and 19157. The biggest common factor number is the GCF number.
So the greatest common factor 19143 and 19157 is 1.

Also check out the Least Common Multiple of 19143 and 19157