What is the Greatest Common Factor of 21183 and 21201?

Greatest common factor (GCF) of 21183 and 21201 is 3.

GCF(21183,21201) = 3

We will now calculate the prime factors of 21183 and 21201, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21183 and 21201.

How to find the GCF of 21183 and 21201?

We will first find the prime factorization of 21183 and 21201. After we will calculate the factors of 21183 and 21201 and find the biggest common factor number .

Step-1: Prime Factorization of 21183

Prime factors of 21183 are 3, 23, 307. Prime factorization of 21183 in exponential form is:

21183 = 3¹ × 23¹ × 307¹

Step-2: Prime Factorization of 21201

Prime factors of 21201 are 3, 37, 191. Prime factorization of 21201 in exponential form is:

21201 = 3¹ × 37¹ × 191¹

Step-3: Factors of 21183

List of positive integer factors of 21183 that divides 21183 without a remainder.

1, 3, 23, 69, 307, 921, 7061

Step-4: Factors of 21201

List of positive integer factors of 21201 that divides 21183 without a remainder.

1, 3, 37, 111, 191, 573, 7067

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21183 and 21201. The biggest common factor number is the GCF number.
So the greatest common factor 21183 and 21201 is 3.

Also check out the Least Common Multiple of 21183 and 21201