GCF and LCM Calculator Logo

What is the Greatest Common Factor of 11777 and 11781?

Greatest common factor (GCF) of 11777 and 11781 is 1.

GCF(11777,11781) = 1

We will now calculate the prime factors of 11777 and 11781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11777 and 11781.

GCF Calculator and
and

How to find the GCF of 11777 and 11781?

We will first find the prime factorization of 11777 and 11781. After we will calculate the factors of 11777 and 11781 and find the biggest common factor number .

Step-1: Prime Factorization of 11777

Prime factors of 11777 are 11777. Prime factorization of 11777 in exponential form is:

11777 = 117771

Step-2: 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-3: Factors of 11777

List of positive integer factors of 11777 that divides 11777 without a remainder.

1

Step-4: Factors of 11781

List of positive integer factors of 11781 that divides 11777 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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11777 and 11781. The biggest common factor number is the GCF number.
So the greatest common factor 11777 and 11781 is 1.

Also check out the Least Common Multiple of 11777 and 11781