What is the Greatest Common Factor of 55431 and 55443?

Greatest common factor (GCF) of 55431 and 55443 is 3.

GCF(55431,55443) = 3

We will now calculate the prime factors of 55431 and 55443, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55431 and 55443.

How to find the GCF of 55431 and 55443?

We will first find the prime factorization of 55431 and 55443. After we will calculate the factors of 55431 and 55443 and find the biggest common factor number .

Step-1: Prime Factorization of 55431

Prime factors of 55431 are 3, 2053. Prime factorization of 55431 in exponential form is:

55431 = 3³ × 2053¹

Step-2: Prime Factorization of 55443

Prime factors of 55443 are 3, 18481. Prime factorization of 55443 in exponential form is:

55443 = 3¹ × 18481¹

Step-3: Factors of 55431

List of positive integer factors of 55431 that divides 55431 without a remainder.

1, 3, 9, 27, 2053, 6159, 18477

Step-4: Factors of 55443

List of positive integer factors of 55443 that divides 55431 without a remainder.

1, 3, 18481

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55431 and 55443. The biggest common factor number is the GCF number.
So the greatest common factor 55431 and 55443 is 3.

Also check out the Least Common Multiple of 55431 and 55443