What is the Greatest Common Factor of 16791 and 16803?

Greatest common factor (GCF) of 16791 and 16803 is 3.

GCF(16791,16803) = 3

We will now calculate the prime factors of 16791 and 16803, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16791 and 16803.

How to find the GCF of 16791 and 16803?

We will first find the prime factorization of 16791 and 16803. After we will calculate the factors of 16791 and 16803 and find the biggest common factor number .

Step-1: Prime Factorization of 16791

Prime factors of 16791 are 3, 29, 193. Prime factorization of 16791 in exponential form is:

16791 = 3¹ × 29¹ × 193¹

Step-2: Prime Factorization of 16803

Prime factors of 16803 are 3, 1867. Prime factorization of 16803 in exponential form is:

16803 = 3² × 1867¹

Step-3: Factors of 16791

List of positive integer factors of 16791 that divides 16791 without a remainder.

1, 3, 29, 87, 193, 579, 5597

Step-4: Factors of 16803

List of positive integer factors of 16803 that divides 16791 without a remainder.

1, 3, 9, 1867, 5601

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16791 and 16803. The biggest common factor number is the GCF number.
So the greatest common factor 16791 and 16803 is 3.

Also check out the Least Common Multiple of 16791 and 16803