What is the Greatest Common Factor of 17711 and 17720?

Greatest common factor (GCF) of 17711 and 17720 is 1.

GCF(17711,17720) = 1

We will now calculate the prime factors of 17711 and 17720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17711 and 17720.

How to find the GCF of 17711 and 17720?

We will first find the prime factorization of 17711 and 17720. After we will calculate the factors of 17711 and 17720 and find the biggest common factor number .

Step-1: Prime Factorization of 17711

Prime factors of 17711 are 89, 199. Prime factorization of 17711 in exponential form is:

17711 = 89¹ × 199¹

Step-2: Prime Factorization of 17720

Prime factors of 17720 are 2, 5, 443. Prime factorization of 17720 in exponential form is:

17720 = 2³ × 5¹ × 443¹

Step-3: Factors of 17711

List of positive integer factors of 17711 that divides 17711 without a remainder.

1, 89, 199

Step-4: Factors of 17720

List of positive integer factors of 17720 that divides 17711 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17711 and 17720. The biggest common factor number is the GCF number.
So the greatest common factor 17711 and 17720 is 1.

Also check out the Least Common Multiple of 17711 and 17720