What is the Greatest Common Factor of 19818 and 19831?

Greatest common factor (GCF) of 19818 and 19831 is 1.

GCF(19818,19831) = 1

We will now calculate the prime factors of 19818 and 19831, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19818 and 19831.

How to find the GCF of 19818 and 19831?

We will first find the prime factorization of 19818 and 19831. After we will calculate the factors of 19818 and 19831 and find the biggest common factor number .

Step-1: Prime Factorization of 19818

Prime factors of 19818 are 2, 3, 367. Prime factorization of 19818 in exponential form is:

19818 = 2¹ × 3³ × 367¹

Step-2: Prime Factorization of 19831

Prime factors of 19831 are 7, 2833. Prime factorization of 19831 in exponential form is:

19831 = 7¹ × 2833¹

Step-3: Factors of 19818

List of positive integer factors of 19818 that divides 19818 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 367, 734, 1101, 2202, 3303, 6606, 9909

Step-4: Factors of 19831

List of positive integer factors of 19831 that divides 19818 without a remainder.

1, 7, 2833

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19818 and 19831. The biggest common factor number is the GCF number.
So the greatest common factor 19818 and 19831 is 1.

Also check out the Least Common Multiple of 19818 and 19831