What is the Greatest Common Factor of 12783 and 12801?

Greatest common factor (GCF) of 12783 and 12801 is 3.

GCF(12783,12801) = 3

We will now calculate the prime factors of 12783 and 12801, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12783 and 12801.

How to find the GCF of 12783 and 12801?

We will first find the prime factorization of 12783 and 12801. After we will calculate the factors of 12783 and 12801 and find the biggest common factor number .

Step-1: Prime Factorization of 12783

Prime factors of 12783 are 3, 4261. Prime factorization of 12783 in exponential form is:

12783 = 3¹ × 4261¹

Step-2: Prime Factorization of 12801

Prime factors of 12801 are 3, 17, 251. Prime factorization of 12801 in exponential form is:

12801 = 3¹ × 17¹ × 251¹

Step-3: Factors of 12783

List of positive integer factors of 12783 that divides 12783 without a remainder.

1, 3, 4261

Step-4: Factors of 12801

List of positive integer factors of 12801 that divides 12783 without a remainder.

1, 3, 17, 51, 251, 753, 4267

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12783 and 12801. The biggest common factor number is the GCF number.
So the greatest common factor 12783 and 12801 is 3.

Also check out the Least Common Multiple of 12783 and 12801