What is the Greatest Common Factor of 15399 and 15406?

Greatest common factor (GCF) of 15399 and 15406 is 1.

GCF(15399,15406) = 1

We will now calculate the prime factors of 15399 and 15406, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15399 and 15406.

How to find the GCF of 15399 and 15406?

We will first find the prime factorization of 15399 and 15406. After we will calculate the factors of 15399 and 15406 and find the biggest common factor number .

Step-1: Prime Factorization of 15399

Prime factors of 15399 are 3, 29, 59. Prime factorization of 15399 in exponential form is:

15399 = 3² × 29¹ × 59¹

Step-2: Prime Factorization of 15406

Prime factors of 15406 are 2, 7703. Prime factorization of 15406 in exponential form is:

15406 = 2¹ × 7703¹

Step-3: Factors of 15399

List of positive integer factors of 15399 that divides 15399 without a remainder.

1, 3, 9, 29, 59, 87, 177, 261, 531, 1711, 5133

Step-4: Factors of 15406

List of positive integer factors of 15406 that divides 15399 without a remainder.

1, 2, 7703

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15399 and 15406. The biggest common factor number is the GCF number.
So the greatest common factor 15399 and 15406 is 1.

Also check out the Least Common Multiple of 15399 and 15406