What is the Greatest Common Factor of 55305 and 55311?

Greatest common factor (GCF) of 55305 and 55311 is 3.

GCF(55305,55311) = 3

We will now calculate the prime factors of 55305 and 55311, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55305 and 55311.

How to find the GCF of 55305 and 55311?

We will first find the prime factorization of 55305 and 55311. After we will calculate the factors of 55305 and 55311 and find the biggest common factor number .

Step-1: Prime Factorization of 55305

Prime factors of 55305 are 3, 5, 1229. Prime factorization of 55305 in exponential form is:

55305 = 3² × 5¹ × 1229¹

Step-2: Prime Factorization of 55311

Prime factors of 55311 are 3, 103, 179. Prime factorization of 55311 in exponential form is:

55311 = 3¹ × 103¹ × 179¹

Step-3: Factors of 55305

List of positive integer factors of 55305 that divides 55305 without a remainder.

1, 3, 5, 9, 15, 45, 1229, 3687, 6145, 11061, 18435

Step-4: Factors of 55311

List of positive integer factors of 55311 that divides 55305 without a remainder.

1, 3, 103, 179, 309, 537, 18437

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55305 and 55311. The biggest common factor number is the GCF number.
So the greatest common factor 55305 and 55311 is 3.

Also check out the Least Common Multiple of 55305 and 55311