What is the Greatest Common Factor of 27858 and 27870?

Greatest common factor (GCF) of 27858 and 27870 is 6.

GCF(27858,27870) = 6

We will now calculate the prime factors of 27858 and 27870, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27858 and 27870.

How to find the GCF of 27858 and 27870?

We will first find the prime factorization of 27858 and 27870. After we will calculate the factors of 27858 and 27870 and find the biggest common factor number .

Step-1: Prime Factorization of 27858

Prime factors of 27858 are 2, 3, 4643. Prime factorization of 27858 in exponential form is:

27858 = 2¹ × 3¹ × 4643¹

Step-2: Prime Factorization of 27870

Prime factors of 27870 are 2, 3, 5, 929. Prime factorization of 27870 in exponential form is:

27870 = 2¹ × 3¹ × 5¹ × 929¹

Step-3: Factors of 27858

List of positive integer factors of 27858 that divides 27858 without a remainder.

1, 2, 3, 6, 4643, 9286, 13929

Step-4: Factors of 27870

List of positive integer factors of 27870 that divides 27858 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 929, 1858, 2787, 4645, 5574, 9290, 13935

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27858 and 27870. The biggest common factor number is the GCF number.
So the greatest common factor 27858 and 27870 is 6.

Also check out the Least Common Multiple of 27858 and 27870