What is the Greatest Common Factor of 17728 and 17740?

Greatest common factor (GCF) of 17728 and 17740 is 4.

GCF(17728,17740) = 4

We will now calculate the prime factors of 17728 and 17740, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17728 and 17740.

How to find the GCF of 17728 and 17740?

We will first find the prime factorization of 17728 and 17740. After we will calculate the factors of 17728 and 17740 and find the biggest common factor number .

Step-1: Prime Factorization of 17728

Prime factors of 17728 are 2, 277. Prime factorization of 17728 in exponential form is:

17728 = 2⁶ × 277¹

Step-2: Prime Factorization of 17740

Prime factors of 17740 are 2, 5, 887. Prime factorization of 17740 in exponential form is:

17740 = 2² × 5¹ × 887¹

Step-3: Factors of 17728

List of positive integer factors of 17728 that divides 17728 without a remainder.

1, 2, 4, 8, 16, 32, 64, 277, 554, 1108, 2216, 4432, 8864

Step-4: Factors of 17740

List of positive integer factors of 17740 that divides 17728 without a remainder.

1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4435, 8870

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17728 and 17740. The biggest common factor number is the GCF number.
So the greatest common factor 17728 and 17740 is 4.

Also check out the Least Common Multiple of 17728 and 17740