What is the Greatest Common Factor of 16405 and 16415?

Greatest common factor (GCF) of 16405 and 16415 is 5.

GCF(16405,16415) = 5

We will now calculate the prime factors of 16405 and 16415, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16405 and 16415.

How to find the GCF of 16405 and 16415?

We will first find the prime factorization of 16405 and 16415. After we will calculate the factors of 16405 and 16415 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 16415

Prime factors of 16415 are 5, 7, 67. Prime factorization of 16415 in exponential form is:

16415 = 5¹ × 7² × 67¹

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 16415

List of positive integer factors of 16415 that divides 16405 without a remainder.

1, 5, 7, 35, 49, 67, 245, 335, 469, 2345, 3283

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16405 and 16415. The biggest common factor number is the GCF number.
So the greatest common factor 16405 and 16415 is 5.

Also check out the Least Common Multiple of 16405 and 16415