What is the Greatest Common Factor of 34155 and 34170?

Greatest common factor (GCF) of 34155 and 34170 is 15.

GCF(34155,34170) = 15

We will now calculate the prime factors of 34155 and 34170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 34155 and 34170.

How to find the GCF of 34155 and 34170?

We will first find the prime factorization of 34155 and 34170. After we will calculate the factors of 34155 and 34170 and find the biggest common factor number .

Step-1: Prime Factorization of 34155

Prime factors of 34155 are 3, 5, 11, 23. Prime factorization of 34155 in exponential form is:

34155 = 3³ × 5¹ × 11¹ × 23¹

Step-2: Prime Factorization of 34170

Prime factors of 34170 are 2, 3, 5, 17, 67. Prime factorization of 34170 in exponential form is:

34170 = 2¹ × 3¹ × 5¹ × 17¹ × 67¹

Step-3: Factors of 34155

List of positive integer factors of 34155 that divides 34155 without a remainder.

1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 99, 115, 135, 165, 207, 253, 297, 345, 495, 621, 759, 1035, 1265, 1485, 2277, 3105, 3795, 6831, 11385

Step-4: Factors of 34170

List of positive integer factors of 34170 that divides 34155 without a remainder.

1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 67, 85, 102, 134, 170, 201, 255, 335, 402, 510, 670, 1005, 1139, 2010, 2278, 3417, 5695, 6834, 11390, 17085

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 34155 and 34170. The biggest common factor number is the GCF number.
So the greatest common factor 34155 and 34170 is 15.

Also check out the Least Common Multiple of 34155 and 34170