What is the Greatest Common Factor of 13749 and 13761?

Greatest common factor (GCF) of 13749 and 13761 is 3.

GCF(13749,13761) = 3

We will now calculate the prime factors of 13749 and 13761, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13749 and 13761.

How to find the GCF of 13749 and 13761?

We will first find the prime factorization of 13749 and 13761. After we will calculate the factors of 13749 and 13761 and find the biggest common factor number .

Step-1: Prime Factorization of 13749

Prime factors of 13749 are 3, 4583. Prime factorization of 13749 in exponential form is:

13749 = 3¹ × 4583¹

Step-2: Prime Factorization of 13761

Prime factors of 13761 are 3, 11, 139. Prime factorization of 13761 in exponential form is:

13761 = 3² × 11¹ × 139¹

Step-3: Factors of 13749

List of positive integer factors of 13749 that divides 13749 without a remainder.

1, 3, 4583

Step-4: Factors of 13761

List of positive integer factors of 13761 that divides 13749 without a remainder.

1, 3, 9, 11, 33, 99, 139, 417, 1251, 1529, 4587

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13749 and 13761. The biggest common factor number is the GCF number.
So the greatest common factor 13749 and 13761 is 3.

Also check out the Least Common Multiple of 13749 and 13761