What is the Greatest Common Factor of 16805 and 16810?

Greatest common factor (GCF) of 16805 and 16810 is 5.

GCF(16805,16810) = 5

We will now calculate the prime factors of 16805 and 16810, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16805 and 16810.

How to find the GCF of 16805 and 16810?

We will first find the prime factorization of 16805 and 16810. After we will calculate the factors of 16805 and 16810 and find the biggest common factor number .

Step-1: Prime Factorization of 16805

Prime factors of 16805 are 5, 3361. Prime factorization of 16805 in exponential form is:

16805 = 5¹ × 3361¹

Step-2: Prime Factorization of 16810

Prime factors of 16810 are 2, 5, 41. Prime factorization of 16810 in exponential form is:

16810 = 2¹ × 5¹ × 41²

Step-3: Factors of 16805

List of positive integer factors of 16805 that divides 16805 without a remainder.

1, 5, 3361

Step-4: Factors of 16810

List of positive integer factors of 16810 that divides 16805 without a remainder.

1, 2, 5, 10, 41, 82, 205, 410, 1681, 3362, 8405

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16805 and 16810. The biggest common factor number is the GCF number.
So the greatest common factor 16805 and 16810 is 5.

Also check out the Least Common Multiple of 16805 and 16810