What is the Greatest Common Factor of 55305 and 55315?

Greatest common factor (GCF) of 55305 and 55315 is 5.

GCF(55305,55315) = 5

We will now calculate the prime factors of 55305 and 55315, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55305 and 55315.

How to find the GCF of 55305 and 55315?

We will first find the prime factorization of 55305 and 55315. After we will calculate the factors of 55305 and 55315 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 55315

Prime factors of 55315 are 5, 13, 23, 37. Prime factorization of 55315 in exponential form is:

55315 = 5¹ × 13¹ × 23¹ × 37¹

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 55315

List of positive integer factors of 55315 that divides 55305 without a remainder.

1, 5, 13, 23, 37, 65, 115, 185, 299, 481, 851, 1495, 2405, 4255, 11063

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55305 and 55315. The biggest common factor number is the GCF number.
So the greatest common factor 55305 and 55315 is 5.

Also check out the Least Common Multiple of 55305 and 55315