What is the Greatest Common Factor of 28780 and 28789?

Greatest common factor (GCF) of 28780 and 28789 is 1.

GCF(28780,28789) = 1

We will now calculate the prime factors of 28780 and 28789, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28780 and 28789.

How to find the GCF of 28780 and 28789?

We will first find the prime factorization of 28780 and 28789. After we will calculate the factors of 28780 and 28789 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 28789

Prime factors of 28789 are 28789. Prime factorization of 28789 in exponential form is:

28789 = 28789¹

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 28789

List of positive integer factors of 28789 that divides 28780 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28780 and 28789. The biggest common factor number is the GCF number.
So the greatest common factor 28780 and 28789 is 1.

Also check out the Least Common Multiple of 28780 and 28789