What is the Greatest Common Factor of 27255 and 27270?

Greatest common factor (GCF) of 27255 and 27270 is 15.

GCF(27255,27270) = 15

We will now calculate the prime factors of 27255 and 27270, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27255 and 27270.

How to find the GCF of 27255 and 27270?

We will first find the prime factorization of 27255 and 27270. After we will calculate the factors of 27255 and 27270 and find the biggest common factor number .

Step-1: Prime Factorization of 27255

Prime factors of 27255 are 3, 5, 23, 79. Prime factorization of 27255 in exponential form is:

27255 = 3¹ × 5¹ × 23¹ × 79¹

Step-2: Prime Factorization of 27270

Prime factors of 27270 are 2, 3, 5, 101. Prime factorization of 27270 in exponential form is:

27270 = 2¹ × 3³ × 5¹ × 101¹

Step-3: Factors of 27255

List of positive integer factors of 27255 that divides 27255 without a remainder.

1, 3, 5, 15, 23, 69, 79, 115, 237, 345, 395, 1185, 1817, 5451, 9085

Step-4: Factors of 27270

List of positive integer factors of 27270 that divides 27255 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 101, 135, 202, 270, 303, 505, 606, 909, 1010, 1515, 1818, 2727, 3030, 4545, 5454, 9090, 13635

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27255 and 27270. The biggest common factor number is the GCF number.
So the greatest common factor 27255 and 27270 is 15.

Also check out the Least Common Multiple of 27255 and 27270