What is the Greatest Common Factor of 73173 and 73185?

Greatest common factor (GCF) of 73173 and 73185 is 3.

GCF(73173,73185) = 3

We will now calculate the prime factors of 73173 and 73185, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 73173 and 73185.

How to find the GCF of 73173 and 73185?

We will first find the prime factorization of 73173 and 73185. After we will calculate the factors of 73173 and 73185 and find the biggest common factor number .

Step-1: Prime Factorization of 73173

Prime factors of 73173 are 3, 24391. Prime factorization of 73173 in exponential form is:

73173 = 3¹ × 24391¹

Step-2: Prime Factorization of 73185

Prime factors of 73185 are 3, 5, 7, 17, 41. Prime factorization of 73185 in exponential form is:

73185 = 3¹ × 5¹ × 7¹ × 17¹ × 41¹

Step-3: Factors of 73173

List of positive integer factors of 73173 that divides 73173 without a remainder.

1, 3, 24391

Step-4: Factors of 73185

List of positive integer factors of 73185 that divides 73173 without a remainder.

1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 85, 105, 119, 123, 205, 255, 287, 357, 595, 615, 697, 861, 1435, 1785, 2091, 3485, 4305, 4879, 10455, 14637, 24395

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 73173 and 73185. The biggest common factor number is the GCF number.
So the greatest common factor 73173 and 73185 is 3.

Also check out the Least Common Multiple of 73173 and 73185