What is the Greatest Common Factor of 27153 and 27168?

Greatest common factor (GCF) of 27153 and 27168 is 3.

GCF(27153,27168) = 3

We will now calculate the prime factors of 27153 and 27168, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27153 and 27168.

How to find the GCF of 27153 and 27168?

We will first find the prime factorization of 27153 and 27168. After we will calculate the factors of 27153 and 27168 and find the biggest common factor number .

Step-1: Prime Factorization of 27153

Prime factors of 27153 are 3, 7, 431. Prime factorization of 27153 in exponential form is:

27153 = 3² × 7¹ × 431¹

Step-2: Prime Factorization of 27168

Prime factors of 27168 are 2, 3, 283. Prime factorization of 27168 in exponential form is:

27168 = 2⁵ × 3¹ × 283¹

Step-3: Factors of 27153

List of positive integer factors of 27153 that divides 27153 without a remainder.

1, 3, 7, 9, 21, 63, 431, 1293, 3017, 3879, 9051

Step-4: Factors of 27168

List of positive integer factors of 27168 that divides 27153 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 283, 566, 849, 1132, 1698, 2264, 3396, 4528, 6792, 9056, 13584

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27153 and 27168. The biggest common factor number is the GCF number.
So the greatest common factor 27153 and 27168 is 3.

Also check out the Least Common Multiple of 27153 and 27168