What is the Greatest Common Factor of 4785 and 4791?

Greatest common factor (GCF) of 4785 and 4791 is 3.

GCF(4785,4791) = 3

We will now calculate the prime factors of 4785 and 4791, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4785 and 4791.

How to find the GCF of 4785 and 4791?

We will first find the prime factorization of 4785 and 4791. After we will calculate the factors of 4785 and 4791 and find the biggest common factor number .

Step-1: Prime Factorization of 4785

Prime factors of 4785 are 3, 5, 11, 29. Prime factorization of 4785 in exponential form is:

4785 = 3¹ × 5¹ × 11¹ × 29¹

Step-2: Prime Factorization of 4791

Prime factors of 4791 are 3, 1597. Prime factorization of 4791 in exponential form is:

4791 = 3¹ × 1597¹

Step-3: Factors of 4785

List of positive integer factors of 4785 that divides 4785 without a remainder.

1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595

Step-4: Factors of 4791

List of positive integer factors of 4791 that divides 4785 without a remainder.

1, 3, 1597

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4785 and 4791. The biggest common factor number is the GCF number.
So the greatest common factor 4785 and 4791 is 3.

Also check out the Least Common Multiple of 4785 and 4791