What is the Greatest Common Factor of 55143 and 55152?

Greatest common factor (GCF) of 55143 and 55152 is 9.

GCF(55143,55152) = 9

We will now calculate the prime factors of 55143 and 55152, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55143 and 55152.

How to find the GCF of 55143 and 55152?

We will first find the prime factorization of 55143 and 55152. After we will calculate the factors of 55143 and 55152 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 55152

Prime factors of 55152 are 2, 3, 383. Prime factorization of 55152 in exponential form is:

55152 = 2⁴ × 3² × 383¹

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 55152

List of positive integer factors of 55152 that divides 55143 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 383, 766, 1149, 1532, 2298, 3064, 3447, 4596, 6128, 6894, 9192, 13788, 18384, 27576

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55143 and 55152. The biggest common factor number is the GCF number.
So the greatest common factor 55143 and 55152 is 9.

Also check out the Least Common Multiple of 55143 and 55152