What is the Greatest Common Factor of 15444 and 15462?

Greatest common factor (GCF) of 15444 and 15462 is 18.

GCF(15444,15462) = 18

We will now calculate the prime factors of 15444 and 15462, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15444 and 15462.

How to find the GCF of 15444 and 15462?

We will first find the prime factorization of 15444 and 15462. After we will calculate the factors of 15444 and 15462 and find the biggest common factor number .

Step-1: Prime Factorization of 15444

Prime factors of 15444 are 2, 3, 11, 13. Prime factorization of 15444 in exponential form is:

15444 = 2² × 3³ × 11¹ × 13¹

Step-2: Prime Factorization of 15462

Prime factors of 15462 are 2, 3, 859. Prime factorization of 15462 in exponential form is:

15462 = 2¹ × 3² × 859¹

Step-3: Factors of 15444

List of positive integer factors of 15444 that divides 15444 without a remainder.

1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 44, 52, 54, 66, 78, 99, 108, 117, 132, 143, 156, 198, 234, 286, 297, 351, 396, 429, 468, 572, 594, 702, 858, 1188, 1287, 1404, 1716, 2574, 3861, 5148, 7722

Step-4: Factors of 15462

List of positive integer factors of 15462 that divides 15444 without a remainder.

1, 2, 3, 6, 9, 18, 859, 1718, 2577, 5154, 7731

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15444 and 15462. The biggest common factor number is the GCF number.
So the greatest common factor 15444 and 15462 is 18.

Also check out the Least Common Multiple of 15444 and 15462