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What is the Greatest Common Factor of 12255 and 12271?

Greatest common factor (GCF) of 12255 and 12271 is 1.

GCF(12255,12271) = 1

We will now calculate the prime factors of 12255 and 12271, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12255 and 12271.

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How to find the GCF of 12255 and 12271?

We will first find the prime factorization of 12255 and 12271. After we will calculate the factors of 12255 and 12271 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 12271

Prime factors of 12271 are 7, 1753. Prime factorization of 12271 in exponential form is:

12271 = 71 × 17531

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 12271

List of positive integer factors of 12271 that divides 12255 without a remainder.

1, 7, 1753

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12255 and 12271. The biggest common factor number is the GCF number.
So the greatest common factor 12255 and 12271 is 1.

Also check out the Least Common Multiple of 12255 and 12271