What is the Greatest Common Factor of 2121 and 2133?

Greatest common factor (GCF) of 2121 and 2133 is 3.

GCF(2121,2133) = 3

We will now calculate the prime factors of 2121 and 2133, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2121 and 2133.

How to find the GCF of 2121 and 2133?

We will first find the prime factorization of 2121 and 2133. After we will calculate the factors of 2121 and 2133 and find the biggest common factor number .

Step-1: Prime Factorization of 2121

Prime factors of 2121 are 3, 7, 101. Prime factorization of 2121 in exponential form is:

2121 = 3¹ × 7¹ × 101¹

Step-2: Prime Factorization of 2133

Prime factors of 2133 are 3, 79. Prime factorization of 2133 in exponential form is:

2133 = 3³ × 79¹

Step-3: Factors of 2121

List of positive integer factors of 2121 that divides 2121 without a remainder.

1, 3, 7, 21, 101, 303, 707

Step-4: Factors of 2133

List of positive integer factors of 2133 that divides 2121 without a remainder.

1, 3, 9, 27, 79, 237, 711

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2121 and 2133. The biggest common factor number is the GCF number.
So the greatest common factor 2121 and 2133 is 3.

Also check out the Least Common Multiple of 2121 and 2133