What is the Greatest Common Factor of 55143 and 55158?

Greatest common factor (GCF) of 55143 and 55158 is 3.

GCF(55143,55158) = 3

We will now calculate the prime factors of 55143 and 55158, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55143 and 55158.

How to find the GCF of 55143 and 55158?

We will first find the prime factorization of 55143 and 55158. After we will calculate the factors of 55143 and 55158 and find the biggest common factor number .

Step-1: Prime Factorization of 55143

Prime factors of 55143 are 3, 11, 557. Prime factorization of 55143 in exponential form is:

55143 = 3² × 11¹ × 557¹

Step-2: Prime Factorization of 55158

Prime factors of 55158 are 2, 3, 29, 317. Prime factorization of 55158 in exponential form is:

55158 = 2¹ × 3¹ × 29¹ × 317¹

Step-3: Factors of 55143

List of positive integer factors of 55143 that divides 55143 without a remainder.

1, 3, 9, 11, 33, 99, 557, 1671, 5013, 6127, 18381

Step-4: Factors of 55158

List of positive integer factors of 55158 that divides 55143 without a remainder.

1, 2, 3, 6, 29, 58, 87, 174, 317, 634, 951, 1902, 9193, 18386, 27579

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55143 and 55158. The biggest common factor number is the GCF number.
So the greatest common factor 55143 and 55158 is 3.

Also check out the Least Common Multiple of 55143 and 55158