What is the Greatest Common Factor of 2043 and 2061?

Greatest common factor (GCF) of 2043 and 2061 is 9.

GCF(2043,2061) = 9

We will now calculate the prime factors of 2043 and 2061, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2043 and 2061.

How to find the GCF of 2043 and 2061?

We will first find the prime factorization of 2043 and 2061. After we will calculate the factors of 2043 and 2061 and find the biggest common factor number .

Step-1: Prime Factorization of 2043

Prime factors of 2043 are 3, 227. Prime factorization of 2043 in exponential form is:

2043 = 3² × 227¹

Step-2: Prime Factorization of 2061

Prime factors of 2061 are 3, 229. Prime factorization of 2061 in exponential form is:

2061 = 3² × 229¹

Step-3: Factors of 2043

List of positive integer factors of 2043 that divides 2043 without a remainder.

1, 3, 9, 227, 681

Step-4: Factors of 2061

List of positive integer factors of 2061 that divides 2043 without a remainder.

1, 3, 9, 229, 687

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2043 and 2061. The biggest common factor number is the GCF number.
So the greatest common factor 2043 and 2061 is 9.

Also check out the Least Common Multiple of 2043 and 2061