What is the Greatest Common Factor of 11781 and 11801?

Greatest common factor (GCF) of 11781 and 11801 is 1.

GCF(11781,11801) = 1

We will now calculate the prime factors of 11781 and 11801, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11781 and 11801.

How to find the GCF of 11781 and 11801?

We will first find the prime factorization of 11781 and 11801. After we will calculate the factors of 11781 and 11801 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 11801

Prime factors of 11801 are 11801. Prime factorization of 11801 in exponential form is:

11801 = 11801¹

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 11801

List of positive integer factors of 11801 that divides 11781 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11781 and 11801. The biggest common factor number is the GCF number.
So the greatest common factor 11781 and 11801 is 1.

Also check out the Least Common Multiple of 11781 and 11801