What is the Greatest Common Factor of 17905 and 17917?

Greatest common factor (GCF) of 17905 and 17917 is 1.

GCF(17905,17917) = 1

We will now calculate the prime factors of 17905 and 17917, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17905 and 17917.

How to find the GCF of 17905 and 17917?

We will first find the prime factorization of 17905 and 17917. After we will calculate the factors of 17905 and 17917 and find the biggest common factor number .

Step-1: Prime Factorization of 17905

Prime factors of 17905 are 5, 3581. Prime factorization of 17905 in exponential form is:

17905 = 5¹ × 3581¹

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 17905

List of positive integer factors of 17905 that divides 17905 without a remainder.

1, 5, 3581

Step-4: Factors of 17917

List of positive integer factors of 17917 that divides 17905 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17905 and 17917. The biggest common factor number is the GCF number.
So the greatest common factor 17905 and 17917 is 1.

Also check out the Least Common Multiple of 17905 and 17917