What is the Greatest Common Factor of 11781 and 11799?

Greatest common factor (GCF) of 11781 and 11799 is 9.

GCF(11781,11799) = 9

We will now calculate the prime factors of 11781 and 11799, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11781 and 11799.

How to find the GCF of 11781 and 11799?

We will first find the prime factorization of 11781 and 11799. After we will calculate the factors of 11781 and 11799 and find the biggest common factor number .

Step-1: Prime Factorization of 11781

Prime factors of 11781 are 3, 7, 11, 17. Prime factorization of 11781 in exponential form is:

11781 = 3² × 7¹ × 11¹ × 17¹

Step-2: Prime Factorization of 11799

Prime factors of 11799 are 3, 19, 23. Prime factorization of 11799 in exponential form is:

11799 = 3³ × 19¹ × 23¹

Step-3: Factors of 11781

List of positive integer factors of 11781 that divides 11781 without a remainder.

1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 3927

Step-4: Factors of 11799

List of positive integer factors of 11799 that divides 11781 without a remainder.

1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 3933

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11781 and 11799. The biggest common factor number is the GCF number.
So the greatest common factor 11781 and 11799 is 9.

Also check out the Least Common Multiple of 11781 and 11799