What is the Greatest Common Factor of 27855 and 27866?

Greatest common factor (GCF) of 27855 and 27866 is 1.

GCF(27855,27866) = 1

We will now calculate the prime factors of 27855 and 27866, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27855 and 27866.

How to find the GCF of 27855 and 27866?

We will first find the prime factorization of 27855 and 27866. After we will calculate the factors of 27855 and 27866 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 27866

Prime factors of 27866 are 2, 13933. Prime factorization of 27866 in exponential form is:

27866 = 2¹ × 13933¹

Step-3: Factors of 27855

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

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

Step-4: Factors of 27866

List of positive integer factors of 27866 that divides 27855 without a remainder.

1, 2, 13933

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27855 and 27866. The biggest common factor number is the GCF number.
So the greatest common factor 27855 and 27866 is 1.

Also check out the Least Common Multiple of 27855 and 27866