What is the Greatest Common Factor of 28780 and 28795?

Greatest common factor (GCF) of 28780 and 28795 is 5.

GCF(28780,28795) = 5

We will now calculate the prime factors of 28780 and 28795, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28780 and 28795.

How to find the GCF of 28780 and 28795?

We will first find the prime factorization of 28780 and 28795. After we will calculate the factors of 28780 and 28795 and find the biggest common factor number .

Step-1: Prime Factorization of 28780

Prime factors of 28780 are 2, 5, 1439. Prime factorization of 28780 in exponential form is:

28780 = 2² × 5¹ × 1439¹

Step-2: Prime Factorization of 28795

Prime factors of 28795 are 5, 13, 443. Prime factorization of 28795 in exponential form is:

28795 = 5¹ × 13¹ × 443¹

Step-3: Factors of 28780

List of positive integer factors of 28780 that divides 28780 without a remainder.

1, 2, 4, 5, 10, 20, 1439, 2878, 5756, 7195, 14390

Step-4: Factors of 28795

List of positive integer factors of 28795 that divides 28780 without a remainder.

1, 5, 13, 65, 443, 2215, 5759

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28780 and 28795. The biggest common factor number is the GCF number.
So the greatest common factor 28780 and 28795 is 5.

Also check out the Least Common Multiple of 28780 and 28795