What is the Greatest Common Factor of 7173 and 7185?

Greatest common factor (GCF) of 7173 and 7185 is 3.

GCF(7173,7185) = 3

We will now calculate the prime factors of 7173 and 7185, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7173 and 7185.

How to find the GCF of 7173 and 7185?

We will first find the prime factorization of 7173 and 7185. After we will calculate the factors of 7173 and 7185 and find the biggest common factor number .

Step-1: Prime Factorization of 7173

Prime factors of 7173 are 3, 797. Prime factorization of 7173 in exponential form is:

7173 = 3² × 797¹

Step-2: Prime Factorization of 7185

Prime factors of 7185 are 3, 5, 479. Prime factorization of 7185 in exponential form is:

7185 = 3¹ × 5¹ × 479¹

Step-3: Factors of 7173

List of positive integer factors of 7173 that divides 7173 without a remainder.

1, 3, 9, 797, 2391

Step-4: Factors of 7185

List of positive integer factors of 7185 that divides 7173 without a remainder.

1, 3, 5, 15, 479, 1437, 2395

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7173 and 7185. The biggest common factor number is the GCF number.
So the greatest common factor 7173 and 7185 is 3.

Also check out the Least Common Multiple of 7173 and 7185