What is the Greatest Common Factor of 11739 and 11745?

Greatest common factor (GCF) of 11739 and 11745 is 3.

GCF(11739,11745) = 3

We will now calculate the prime factors of 11739 and 11745, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11739 and 11745.

How to find the GCF of 11739 and 11745?

We will first find the prime factorization of 11739 and 11745. After we will calculate the factors of 11739 and 11745 and find the biggest common factor number .

Step-1: Prime Factorization of 11739

Prime factors of 11739 are 3, 7, 13, 43. Prime factorization of 11739 in exponential form is:

11739 = 3¹ × 7¹ × 13¹ × 43¹

Step-2: Prime Factorization of 11745

Prime factors of 11745 are 3, 5, 29. Prime factorization of 11745 in exponential form is:

11745 = 3⁴ × 5¹ × 29¹

Step-3: Factors of 11739

List of positive integer factors of 11739 that divides 11739 without a remainder.

1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913

Step-4: Factors of 11745

List of positive integer factors of 11745 that divides 11739 without a remainder.

1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11739 and 11745. The biggest common factor number is the GCF number.
So the greatest common factor 11739 and 11745 is 3.

Also check out the Least Common Multiple of 11739 and 11745