What is the Greatest Common Factor of 15432 and 15447?

Greatest common factor (GCF) of 15432 and 15447 is 3.

GCF(15432,15447) = 3

We will now calculate the prime factors of 15432 and 15447, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15432 and 15447.

How to find the GCF of 15432 and 15447?

We will first find the prime factorization of 15432 and 15447. After we will calculate the factors of 15432 and 15447 and find the biggest common factor number .

Step-1: Prime Factorization of 15432

Prime factors of 15432 are 2, 3, 643. Prime factorization of 15432 in exponential form is:

15432 = 2³ × 3¹ × 643¹

Step-2: Prime Factorization of 15447

Prime factors of 15447 are 3, 19, 271. Prime factorization of 15447 in exponential form is:

15447 = 3¹ × 19¹ × 271¹

Step-3: Factors of 15432

List of positive integer factors of 15432 that divides 15432 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 643, 1286, 1929, 2572, 3858, 5144, 7716

Step-4: Factors of 15447

List of positive integer factors of 15447 that divides 15432 without a remainder.

1, 3, 19, 57, 271, 813, 5149

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15432 and 15447. The biggest common factor number is the GCF number.
So the greatest common factor 15432 and 15447 is 3.

Also check out the Least Common Multiple of 15432 and 15447