What is the Greatest Common Factor of 12247 and 12255?

Greatest common factor (GCF) of 12247 and 12255 is 1.

GCF(12247,12255) = 1

We will now calculate the prime factors of 12247 and 12255, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12247 and 12255.

How to find the GCF of 12247 and 12255?

We will first find the prime factorization of 12247 and 12255. After we will calculate the factors of 12247 and 12255 and find the biggest common factor number .

Step-1: Prime Factorization of 12247

Prime factors of 12247 are 37, 331. Prime factorization of 12247 in exponential form is:

12247 = 37¹ × 331¹

Step-2: 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-3: Factors of 12247

List of positive integer factors of 12247 that divides 12247 without a remainder.

1, 37, 331

Step-4: Factors of 12255

List of positive integer factors of 12255 that divides 12247 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12247 and 12255. The biggest common factor number is the GCF number.
So the greatest common factor 12247 and 12255 is 1.

Also check out the Least Common Multiple of 12247 and 12255