What is the Greatest Common Factor of 11780 and 11791?

Greatest common factor (GCF) of 11780 and 11791 is 1.

GCF(11780,11791) = 1

We will now calculate the prime factors of 11780 and 11791, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11780 and 11791.

How to find the GCF of 11780 and 11791?

We will first find the prime factorization of 11780 and 11791. After we will calculate the factors of 11780 and 11791 and find the biggest common factor number .

Step-1: Prime Factorization of 11780

Prime factors of 11780 are 2, 5, 19, 31. Prime factorization of 11780 in exponential form is:

11780 = 2² × 5¹ × 19¹ × 31¹

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 11780

List of positive integer factors of 11780 that divides 11780 without a remainder.

1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890

Step-4: Factors of 11791

List of positive integer factors of 11791 that divides 11780 without a remainder.

1, 13, 907

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11780 and 11791. The biggest common factor number is the GCF number.
So the greatest common factor 11780 and 11791 is 1.

Also check out the Least Common Multiple of 11780 and 11791