What is the Greatest Common Factor of 12255 and 12273?

Greatest common factor (GCF) of 12255 and 12273 is 3.

GCF(12255,12273) = 3

We will now calculate the prime factors of 12255 and 12273, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12255 and 12273.

How to find the GCF of 12255 and 12273?

We will first find the prime factorization of 12255 and 12273. After we will calculate the factors of 12255 and 12273 and find the biggest common factor number .

Step-1: Prime Factorization of 12255

Prime factors of 12255 are 3, 5, 19, 43. Prime factorization of 12255 in exponential form is:

12255 = 3¹ × 5¹ × 19¹ × 43¹

Step-2: Prime Factorization of 12273

Prime factors of 12273 are 3, 4091. Prime factorization of 12273 in exponential form is:

12273 = 3¹ × 4091¹

Step-3: Factors of 12255

List of positive integer factors of 12255 that divides 12255 without a remainder.

1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2451, 4085

Step-4: Factors of 12273

List of positive integer factors of 12273 that divides 12255 without a remainder.

1, 3, 4091

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12255 and 12273. The biggest common factor number is the GCF number.
So the greatest common factor 12255 and 12273 is 3.

Also check out the Least Common Multiple of 12255 and 12273