What is the Greatest Common Factor of 5811 and 5820?

Greatest common factor (GCF) of 5811 and 5820 is 3.

GCF(5811,5820) = 3

We will now calculate the prime factors of 5811 and 5820, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5811 and 5820.

How to find the GCF of 5811 and 5820?

We will first find the prime factorization of 5811 and 5820. After we will calculate the factors of 5811 and 5820 and find the biggest common factor number .

Step-1: Prime Factorization of 5811

Prime factors of 5811 are 3, 13, 149. Prime factorization of 5811 in exponential form is:

5811 = 3¹ × 13¹ × 149¹

Step-2: Prime Factorization of 5820

Prime factors of 5820 are 2, 3, 5, 97. Prime factorization of 5820 in exponential form is:

5820 = 2² × 3¹ × 5¹ × 97¹

Step-3: Factors of 5811

List of positive integer factors of 5811 that divides 5811 without a remainder.

1, 3, 13, 39, 149, 447, 1937

Step-4: Factors of 5820

List of positive integer factors of 5820 that divides 5811 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5811 and 5820. The biggest common factor number is the GCF number.
So the greatest common factor 5811 and 5820 is 3.

Also check out the Least Common Multiple of 5811 and 5820