What is the Greatest Common Factor of 16915 and 16930?

Greatest common factor (GCF) of 16915 and 16930 is 5.

GCF(16915,16930) = 5

We will now calculate the prime factors of 16915 and 16930, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16915 and 16930.

How to find the GCF of 16915 and 16930?

We will first find the prime factorization of 16915 and 16930. After we will calculate the factors of 16915 and 16930 and find the biggest common factor number .

Step-1: Prime Factorization of 16915

Prime factors of 16915 are 5, 17, 199. Prime factorization of 16915 in exponential form is:

16915 = 5¹ × 17¹ × 199¹

Step-2: Prime Factorization of 16930

Prime factors of 16930 are 2, 5, 1693. Prime factorization of 16930 in exponential form is:

16930 = 2¹ × 5¹ × 1693¹

Step-3: Factors of 16915

List of positive integer factors of 16915 that divides 16915 without a remainder.

1, 5, 17, 85, 199, 995, 3383

Step-4: Factors of 16930

List of positive integer factors of 16930 that divides 16915 without a remainder.

1, 2, 5, 10, 1693, 3386, 8465

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16915 and 16930. The biggest common factor number is the GCF number.
So the greatest common factor 16915 and 16930 is 5.

Also check out the Least Common Multiple of 16915 and 16930