What is the Greatest Common Factor of 10720 and 10728?

Greatest common factor (GCF) of 10720 and 10728 is 8.

GCF(10720,10728) = 8

We will now calculate the prime factors of 10720 and 10728, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10720 and 10728.

How to find the GCF of 10720 and 10728?

We will first find the prime factorization of 10720 and 10728. After we will calculate the factors of 10720 and 10728 and find the biggest common factor number .

Step-1: Prime Factorization of 10720

Prime factors of 10720 are 2, 5, 67. Prime factorization of 10720 in exponential form is:

10720 = 2⁵ × 5¹ × 67¹

Step-2: Prime Factorization of 10728

Prime factors of 10728 are 2, 3, 149. Prime factorization of 10728 in exponential form is:

10728 = 2³ × 3² × 149¹

Step-3: Factors of 10720

List of positive integer factors of 10720 that divides 10720 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360

Step-4: Factors of 10728

List of positive integer factors of 10728 that divides 10720 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 149, 298, 447, 596, 894, 1192, 1341, 1788, 2682, 3576, 5364

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10720 and 10728. The biggest common factor number is the GCF number.
So the greatest common factor 10720 and 10728 is 8.

Also check out the Least Common Multiple of 10720 and 10728