What is the Greatest Common Factor of 17909 and 17917?

Greatest common factor (GCF) of 17909 and 17917 is 1.

GCF(17909,17917) = 1

We will now calculate the prime factors of 17909 and 17917, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17909 and 17917.

How to find the GCF of 17909 and 17917?

We will first find the prime factorization of 17909 and 17917. After we will calculate the factors of 17909 and 17917 and find the biggest common factor number .

Step-1: Prime Factorization of 17909

Prime factors of 17909 are 17909. Prime factorization of 17909 in exponential form is:

17909 = 17909¹

Step-2: Prime Factorization of 17917

Prime factors of 17917 are 19, 23, 41. Prime factorization of 17917 in exponential form is:

17917 = 19¹ × 23¹ × 41¹

Step-3: Factors of 17909

List of positive integer factors of 17909 that divides 17909 without a remainder.

Step-4: Factors of 17917

List of positive integer factors of 17917 that divides 17909 without a remainder.

1, 19, 23, 41, 437, 779, 943

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17909 and 17917. The biggest common factor number is the GCF number.
So the greatest common factor 17909 and 17917 is 1.

Also check out the Least Common Multiple of 17909 and 17917