What is the Greatest Common Factor of 27843 and 27855?

Greatest common factor (GCF) of 27843 and 27855 is 3.

GCF(27843,27855) = 3

We will now calculate the prime factors of 27843 and 27855, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27843 and 27855.

How to find the GCF of 27843 and 27855?

We will first find the prime factorization of 27843 and 27855. After we will calculate the factors of 27843 and 27855 and find the biggest common factor number .

Step-1: Prime Factorization of 27843

Prime factors of 27843 are 3, 9281. Prime factorization of 27843 in exponential form is:

27843 = 3¹ × 9281¹

Step-2: Prime Factorization of 27855

Prime factors of 27855 are 3, 5, 619. Prime factorization of 27855 in exponential form is:

27855 = 3² × 5¹ × 619¹

Step-3: Factors of 27843

List of positive integer factors of 27843 that divides 27843 without a remainder.

1, 3, 9281

Step-4: Factors of 27855

List of positive integer factors of 27855 that divides 27843 without a remainder.

1, 3, 5, 9, 15, 45, 619, 1857, 3095, 5571, 9285

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27843 and 27855. The biggest common factor number is the GCF number.
So the greatest common factor 27843 and 27855 is 3.

Also check out the Least Common Multiple of 27843 and 27855