What is the Greatest Common Factor of 67155 and 67170?

Greatest common factor (GCF) of 67155 and 67170 is 15.

GCF(67155,67170) = 15

We will now calculate the prime factors of 67155 and 67170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67155 and 67170.

How to find the GCF of 67155 and 67170?

We will first find the prime factorization of 67155 and 67170. After we will calculate the factors of 67155 and 67170 and find the biggest common factor number .

Step-1: Prime Factorization of 67155

Prime factors of 67155 are 3, 5, 11, 37. Prime factorization of 67155 in exponential form is:

67155 = 3¹ × 5¹ × 11² × 37¹

Step-2: Prime Factorization of 67170

Prime factors of 67170 are 2, 3, 5, 2239. Prime factorization of 67170 in exponential form is:

67170 = 2¹ × 3¹ × 5¹ × 2239¹

Step-3: Factors of 67155

List of positive integer factors of 67155 that divides 67155 without a remainder.

1, 3, 5, 11, 15, 33, 37, 55, 111, 121, 165, 185, 363, 407, 555, 605, 1221, 1815, 2035, 4477, 6105, 13431, 22385

Step-4: Factors of 67170

List of positive integer factors of 67170 that divides 67155 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2239, 4478, 6717, 11195, 13434, 22390, 33585

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67155 and 67170. The biggest common factor number is the GCF number.
So the greatest common factor 67155 and 67170 is 15.

Also check out the Least Common Multiple of 67155 and 67170