What is the Greatest Common Factor of 10720 and 10725?

Greatest common factor (GCF) of 10720 and 10725 is 5.

GCF(10720,10725) = 5

We will now calculate the prime factors of 10720 and 10725, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10720 and 10725.

How to find the GCF of 10720 and 10725?

We will first find the prime factorization of 10720 and 10725. After we will calculate the factors of 10720 and 10725 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 10725

Prime factors of 10725 are 3, 5, 11, 13. Prime factorization of 10725 in exponential form is:

10725 = 3¹ × 5² × 11¹ × 13¹

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 10725

List of positive integer factors of 10725 that divides 10720 without a remainder.

1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 3575

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10720 and 10725. The biggest common factor number is the GCF number.
So the greatest common factor 10720 and 10725 is 5.

Also check out the Least Common Multiple of 10720 and 10725