What is the Greatest Common Factor of 12443 and 12455?

Greatest common factor (GCF) of 12443 and 12455 is 1.

GCF(12443,12455) = 1

We will now calculate the prime factors of 12443 and 12455, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12443 and 12455.

How to find the GCF of 12443 and 12455?

We will first find the prime factorization of 12443 and 12455. After we will calculate the factors of 12443 and 12455 and find the biggest common factor number .

Step-1: Prime Factorization of 12443

Prime factors of 12443 are 23, 541. Prime factorization of 12443 in exponential form is:

12443 = 23¹ × 541¹

Step-2: Prime Factorization of 12455

Prime factors of 12455 are 5, 47, 53. Prime factorization of 12455 in exponential form is:

12455 = 5¹ × 47¹ × 53¹

Step-3: Factors of 12443

List of positive integer factors of 12443 that divides 12443 without a remainder.

1, 23, 541

Step-4: Factors of 12455

List of positive integer factors of 12455 that divides 12443 without a remainder.

1, 5, 47, 53, 235, 265, 2491

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12443 and 12455. The biggest common factor number is the GCF number.
So the greatest common factor 12443 and 12455 is 1.

Also check out the Least Common Multiple of 12443 and 12455