What is the Greatest Common Factor of 16405 and 16423?

Greatest common factor (GCF) of 16405 and 16423 is 1.

GCF(16405,16423) = 1

We will now calculate the prime factors of 16405 and 16423, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16405 and 16423.

How to find the GCF of 16405 and 16423?

We will first find the prime factorization of 16405 and 16423. After we will calculate the factors of 16405 and 16423 and find the biggest common factor number .

Step-1: Prime Factorization of 16405

Prime factors of 16405 are 5, 17, 193. Prime factorization of 16405 in exponential form is:

16405 = 5¹ × 17¹ × 193¹

Step-2: Prime Factorization of 16423

Prime factors of 16423 are 11, 1493. Prime factorization of 16423 in exponential form is:

16423 = 11¹ × 1493¹

Step-3: Factors of 16405

List of positive integer factors of 16405 that divides 16405 without a remainder.

1, 5, 17, 85, 193, 965, 3281

Step-4: Factors of 16423

List of positive integer factors of 16423 that divides 16405 without a remainder.

1, 11, 1493

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16405 and 16423. The biggest common factor number is the GCF number.
So the greatest common factor 16405 and 16423 is 1.

Also check out the Least Common Multiple of 16405 and 16423