What is the Greatest Common Factor of 8720 and 8730?

Greatest common factor (GCF) of 8720 and 8730 is 10.

GCF(8720,8730) = 10

We will now calculate the prime factors of 8720 and 8730, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8720 and 8730.

How to find the GCF of 8720 and 8730?

We will first find the prime factorization of 8720 and 8730. After we will calculate the factors of 8720 and 8730 and find the biggest common factor number .

Step-1: Prime Factorization of 8720

Prime factors of 8720 are 2, 5, 109. Prime factorization of 8720 in exponential form is:

8720 = 2⁴ × 5¹ × 109¹

Step-2: Prime Factorization of 8730

Prime factors of 8730 are 2, 3, 5, 97. Prime factorization of 8730 in exponential form is:

8730 = 2¹ × 3² × 5¹ × 97¹

Step-3: Factors of 8720

List of positive integer factors of 8720 that divides 8720 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360

Step-4: Factors of 8730

List of positive integer factors of 8730 that divides 8720 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2910, 4365

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8720 and 8730. The biggest common factor number is the GCF number.
So the greatest common factor 8720 and 8730 is 10.

Also check out the Least Common Multiple of 8720 and 8730