What is the Greatest Common Factor of 2187 and 2199?

Greatest common factor (GCF) of 2187 and 2199 is 3.

GCF(2187,2199) = 3

We will now calculate the prime factors of 2187 and 2199, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2187 and 2199.

How to find the GCF of 2187 and 2199?

We will first find the prime factorization of 2187 and 2199. After we will calculate the factors of 2187 and 2199 and find the biggest common factor number .

Step-1: Prime Factorization of 2187

Prime factors of 2187 are 3. Prime factorization of 2187 in exponential form is:

2187 = 3⁷

Step-2: Prime Factorization of 2199

Prime factors of 2199 are 3, 733. Prime factorization of 2199 in exponential form is:

2199 = 3¹ × 733¹

Step-3: Factors of 2187

List of positive integer factors of 2187 that divides 2187 without a remainder.

1, 3, 9, 27, 81, 243, 729

Step-4: Factors of 2199

List of positive integer factors of 2199 that divides 2187 without a remainder.

1, 3, 733

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2187 and 2199. The biggest common factor number is the GCF number.
So the greatest common factor 2187 and 2199 is 3.

Also check out the Least Common Multiple of 2187 and 2199