What is the Greatest Common Factor of 11778 and 11791?

Greatest common factor (GCF) of 11778 and 11791 is 13.

GCF(11778,11791) = 13

We will now calculate the prime factors of 11778 and 11791, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11778 and 11791.

How to find the GCF of 11778 and 11791?

We will first find the prime factorization of 11778 and 11791. After we will calculate the factors of 11778 and 11791 and find the biggest common factor number .

Step-1: Prime Factorization of 11778

Prime factors of 11778 are 2, 3, 13, 151. Prime factorization of 11778 in exponential form is:

11778 = 2¹ × 3¹ × 13¹ × 151¹

Step-2: Prime Factorization of 11791

Prime factors of 11791 are 13, 907. Prime factorization of 11791 in exponential form is:

11791 = 13¹ × 907¹

Step-3: Factors of 11778

List of positive integer factors of 11778 that divides 11778 without a remainder.

1, 2, 3, 6, 13, 26, 39, 78, 151, 302, 453, 906, 1963, 3926, 5889

Step-4: Factors of 11791

List of positive integer factors of 11791 that divides 11778 without a remainder.

1, 13, 907

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11778 and 11791. The biggest common factor number is the GCF number.
So the greatest common factor 11778 and 11791 is 13.

Also check out the Least Common Multiple of 11778 and 11791