What is the Greatest Common Factor of 55173 and 55185?

Greatest common factor (GCF) of 55173 and 55185 is 3.

GCF(55173,55185) = 3

We will now calculate the prime factors of 55173 and 55185, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55173 and 55185.

How to find the GCF of 55173 and 55185?

We will first find the prime factorization of 55173 and 55185. After we will calculate the factors of 55173 and 55185 and find the biggest common factor number .

Step-1: Prime Factorization of 55173

Prime factors of 55173 are 3, 53, 347. Prime factorization of 55173 in exponential form is:

55173 = 3¹ × 53¹ × 347¹

Step-2: Prime Factorization of 55185

Prime factors of 55185 are 3, 5, 13, 283. Prime factorization of 55185 in exponential form is:

55185 = 3¹ × 5¹ × 13¹ × 283¹

Step-3: Factors of 55173

List of positive integer factors of 55173 that divides 55173 without a remainder.

1, 3, 53, 159, 347, 1041, 18391

Step-4: Factors of 55185

List of positive integer factors of 55185 that divides 55173 without a remainder.

1, 3, 5, 13, 15, 39, 65, 195, 283, 849, 1415, 3679, 4245, 11037, 18395

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55173 and 55185. The biggest common factor number is the GCF number.
So the greatest common factor 55173 and 55185 is 3.

Also check out the Least Common Multiple of 55173 and 55185