What is the Greatest Common Factor of 55806 and 55821?

Greatest common factor (GCF) of 55806 and 55821 is 3.

GCF(55806,55821) = 3

We will now calculate the prime factors of 55806 and 55821, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55806 and 55821.

How to find the GCF of 55806 and 55821?

We will first find the prime factorization of 55806 and 55821. After we will calculate the factors of 55806 and 55821 and find the biggest common factor number .

Step-1: Prime Factorization of 55806

Prime factors of 55806 are 2, 3, 71, 131. Prime factorization of 55806 in exponential form is:

55806 = 2¹ × 3¹ × 71¹ × 131¹

Step-2: Prime Factorization of 55821

Prime factors of 55821 are 3, 23, 809. Prime factorization of 55821 in exponential form is:

55821 = 3¹ × 23¹ × 809¹

Step-3: Factors of 55806

List of positive integer factors of 55806 that divides 55806 without a remainder.

1, 2, 3, 6, 71, 131, 142, 213, 262, 393, 426, 786, 9301, 18602, 27903

Step-4: Factors of 55821

List of positive integer factors of 55821 that divides 55806 without a remainder.

1, 3, 23, 69, 809, 2427, 18607

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55806 and 55821. The biggest common factor number is the GCF number.
So the greatest common factor 55806 and 55821 is 3.

Also check out the Least Common Multiple of 55806 and 55821