What is the Greatest Common Factor of 12798 and 12816?

Greatest common factor (GCF) of 12798 and 12816 is 18.

GCF(12798,12816) = 18

We will now calculate the prime factors of 12798 and 12816, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12798 and 12816.

How to find the GCF of 12798 and 12816?

We will first find the prime factorization of 12798 and 12816. After we will calculate the factors of 12798 and 12816 and find the biggest common factor number .

Step-1: Prime Factorization of 12798

Prime factors of 12798 are 2, 3, 79. Prime factorization of 12798 in exponential form is:

12798 = 2¹ × 3⁴ × 79¹

Step-2: Prime Factorization of 12816

Prime factors of 12816 are 2, 3, 89. Prime factorization of 12816 in exponential form is:

12816 = 2⁴ × 3² × 89¹

Step-3: Factors of 12798

List of positive integer factors of 12798 that divides 12798 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 474, 711, 1422, 2133, 4266, 6399

Step-4: Factors of 12816

List of positive integer factors of 12816 that divides 12798 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 3204, 4272, 6408

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12798 and 12816. The biggest common factor number is the GCF number.
So the greatest common factor 12798 and 12816 is 18.

Also check out the Least Common Multiple of 12798 and 12816