What is the Greatest Common Factor of 18423 and 18442?

Greatest common factor (GCF) of 18423 and 18442 is 1.

GCF(18423,18442) = 1

We will now calculate the prime factors of 18423 and 18442, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18423 and 18442.

How to find the GCF of 18423 and 18442?

We will first find the prime factorization of 18423 and 18442. After we will calculate the factors of 18423 and 18442 and find the biggest common factor number .

Step-1: Prime Factorization of 18423

Prime factors of 18423 are 3, 23, 89. Prime factorization of 18423 in exponential form is:

18423 = 3² × 23¹ × 89¹

Step-2: Prime Factorization of 18442

Prime factors of 18442 are 2, 9221. Prime factorization of 18442 in exponential form is:

18442 = 2¹ × 9221¹

Step-3: Factors of 18423

List of positive integer factors of 18423 that divides 18423 without a remainder.

1, 3, 9, 23, 69, 89, 207, 267, 801, 2047, 6141

Step-4: Factors of 18442

List of positive integer factors of 18442 that divides 18423 without a remainder.

1, 2, 9221

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18423 and 18442. The biggest common factor number is the GCF number.
So the greatest common factor 18423 and 18442 is 1.

Also check out the Least Common Multiple of 18423 and 18442