What is the Greatest Common Factor of 19182 and 19191?

Greatest common factor (GCF) of 19182 and 19191 is 3.

GCF(19182,19191) = 3

We will now calculate the prime factors of 19182 and 19191, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19182 and 19191.

How to find the GCF of 19182 and 19191?

We will first find the prime factorization of 19182 and 19191. After we will calculate the factors of 19182 and 19191 and find the biggest common factor number .

Step-1: Prime Factorization of 19182

Prime factors of 19182 are 2, 3, 23, 139. Prime factorization of 19182 in exponential form is:

19182 = 2¹ × 3¹ × 23¹ × 139¹

Step-2: Prime Factorization of 19191

Prime factors of 19191 are 3, 6397. Prime factorization of 19191 in exponential form is:

19191 = 3¹ × 6397¹

Step-3: Factors of 19182

List of positive integer factors of 19182 that divides 19182 without a remainder.

1, 2, 3, 6, 23, 46, 69, 138, 139, 278, 417, 834, 3197, 6394, 9591

Step-4: Factors of 19191

List of positive integer factors of 19191 that divides 19182 without a remainder.

1, 3, 6397

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19182 and 19191. The biggest common factor number is the GCF number.
So the greatest common factor 19182 and 19191 is 3.

Also check out the Least Common Multiple of 19182 and 19191