What is the Greatest Common Factor of 16809 and 16816?

Greatest common factor (GCF) of 16809 and 16816 is 1.

GCF(16809,16816) = 1

We will now calculate the prime factors of 16809 and 16816, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16809 and 16816.

How to find the GCF of 16809 and 16816?

We will first find the prime factorization of 16809 and 16816. After we will calculate the factors of 16809 and 16816 and find the biggest common factor number .

Step-1: Prime Factorization of 16809

Prime factors of 16809 are 3, 13, 431. Prime factorization of 16809 in exponential form is:

16809 = 3¹ × 13¹ × 431¹

Step-2: Prime Factorization of 16816

Prime factors of 16816 are 2, 1051. Prime factorization of 16816 in exponential form is:

16816 = 2⁴ × 1051¹

Step-3: Factors of 16809

List of positive integer factors of 16809 that divides 16809 without a remainder.

1, 3, 13, 39, 431, 1293, 5603

Step-4: Factors of 16816

List of positive integer factors of 16816 that divides 16809 without a remainder.

1, 2, 4, 8, 16, 1051, 2102, 4204, 8408

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16809 and 16816. The biggest common factor number is the GCF number.
So the greatest common factor 16809 and 16816 is 1.

Also check out the Least Common Multiple of 16809 and 16816