What is the Greatest Common Factor of 6720 and 6725?

Greatest common factor (GCF) of 6720 and 6725 is 5.

GCF(6720,6725) = 5

We will now calculate the prime factors of 6720 and 6725, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6720 and 6725.

How to find the GCF of 6720 and 6725?

We will first find the prime factorization of 6720 and 6725. After we will calculate the factors of 6720 and 6725 and find the biggest common factor number .

Step-1: Prime Factorization of 6720

Prime factors of 6720 are 2, 3, 5, 7. Prime factorization of 6720 in exponential form is:

6720 = 2⁶ × 3¹ × 5¹ × 7¹

Step-2: Prime Factorization of 6725

Prime factors of 6725 are 5, 269. Prime factorization of 6725 in exponential form is:

6725 = 5² × 269¹

Step-3: Factors of 6720

List of positive integer factors of 6720 that divides 6720 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360

Step-4: Factors of 6725

List of positive integer factors of 6725 that divides 6720 without a remainder.

1, 5, 25, 269, 1345

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6720 and 6725. The biggest common factor number is the GCF number.
So the greatest common factor 6720 and 6725 is 5.

Also check out the Least Common Multiple of 6720 and 6725