What is the Greatest Common Factor of 2103 and 2121?

Greatest common factor (GCF) of 2103 and 2121 is 3.

GCF(2103,2121) = 3

We will now calculate the prime factors of 2103 and 2121, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2103 and 2121.

How to find the GCF of 2103 and 2121?

We will first find the prime factorization of 2103 and 2121. After we will calculate the factors of 2103 and 2121 and find the biggest common factor number .

Step-1: Prime Factorization of 2103

Prime factors of 2103 are 3, 701. Prime factorization of 2103 in exponential form is:

2103 = 3¹ × 701¹

Step-2: 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-3: Factors of 2103

List of positive integer factors of 2103 that divides 2103 without a remainder.

1, 3, 701

Step-4: Factors of 2121

List of positive integer factors of 2121 that divides 2103 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2103 and 2121. The biggest common factor number is the GCF number.
So the greatest common factor 2103 and 2121 is 3.

Also check out the Least Common Multiple of 2103 and 2121