What is the Greatest Common Factor of 10785 and 10805?

Greatest common factor (GCF) of 10785 and 10805 is 5.

GCF(10785,10805) = 5

We will now calculate the prime factors of 10785 and 10805, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10785 and 10805.

How to find the GCF of 10785 and 10805?

We will first find the prime factorization of 10785 and 10805. After we will calculate the factors of 10785 and 10805 and find the biggest common factor number .

Step-1: Prime Factorization of 10785

Prime factors of 10785 are 3, 5, 719. Prime factorization of 10785 in exponential form is:

10785 = 3¹ × 5¹ × 719¹

Step-2: Prime Factorization of 10805

Prime factors of 10805 are 5, 2161. Prime factorization of 10805 in exponential form is:

10805 = 5¹ × 2161¹

Step-3: Factors of 10785

List of positive integer factors of 10785 that divides 10785 without a remainder.

1, 3, 5, 15, 719, 2157, 3595

Step-4: Factors of 10805

List of positive integer factors of 10805 that divides 10785 without a remainder.

1, 5, 2161

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10785 and 10805. The biggest common factor number is the GCF number.
So the greatest common factor 10785 and 10805 is 5.

Also check out the Least Common Multiple of 10785 and 10805