What is the Greatest Common Factor of 5720 and 5728?

Greatest common factor (GCF) of 5720 and 5728 is 8.

GCF(5720,5728) = 8

We will now calculate the prime factors of 5720 and 5728, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5720 and 5728.

How to find the GCF of 5720 and 5728?

We will first find the prime factorization of 5720 and 5728. After we will calculate the factors of 5720 and 5728 and find the biggest common factor number .

Step-1: Prime Factorization of 5720

Prime factors of 5720 are 2, 5, 11, 13. Prime factorization of 5720 in exponential form is:

5720 = 2³ × 5¹ × 11¹ × 13¹

Step-2: Prime Factorization of 5728

Prime factors of 5728 are 2, 179. Prime factorization of 5728 in exponential form is:

5728 = 2⁵ × 179¹

Step-3: Factors of 5720

List of positive integer factors of 5720 that divides 5720 without a remainder.

1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860

Step-4: Factors of 5728

List of positive integer factors of 5728 that divides 5720 without a remainder.

1, 2, 4, 8, 16, 32, 179, 358, 716, 1432, 2864

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5720 and 5728. The biggest common factor number is the GCF number.
So the greatest common factor 5720 and 5728 is 8.

Also check out the Least Common Multiple of 5720 and 5728