What is the Greatest Common Factor of 17905 and 17910?

Greatest common factor (GCF) of 17905 and 17910 is 5.

GCF(17905,17910) = 5

We will now calculate the prime factors of 17905 and 17910, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17905 and 17910.

How to find the GCF of 17905 and 17910?

We will first find the prime factorization of 17905 and 17910. After we will calculate the factors of 17905 and 17910 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 17910

Prime factors of 17910 are 2, 3, 5, 199. Prime factorization of 17910 in exponential form is:

17910 = 2¹ × 3² × 5¹ × 199¹

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 17910

List of positive integer factors of 17910 that divides 17905 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1194, 1791, 1990, 2985, 3582, 5970, 8955

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17905 and 17910. The biggest common factor number is the GCF number.
So the greatest common factor 17905 and 17910 is 5.

Also check out the Least Common Multiple of 17905 and 17910