What is the Greatest Common Factor of 27858 and 27864?

Greatest common factor (GCF) of 27858 and 27864 is 6.

GCF(27858,27864) = 6

We will now calculate the prime factors of 27858 and 27864, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27858 and 27864.

How to find the GCF of 27858 and 27864?

We will first find the prime factorization of 27858 and 27864. After we will calculate the factors of 27858 and 27864 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 27864

Prime factors of 27864 are 2, 3, 43. Prime factorization of 27864 in exponential form is:

27864 = 2³ × 3⁴ × 43¹

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 27864

List of positive integer factors of 27864 that divides 27858 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 258, 324, 344, 387, 516, 648, 774, 1032, 1161, 1548, 2322, 3096, 3483, 4644, 6966, 9288, 13932

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27858 and 27864. The biggest common factor number is the GCF number.
So the greatest common factor 27858 and 27864 is 6.

Also check out the Least Common Multiple of 27858 and 27864