What is the Greatest Common Factor of 39429 and 39447?

Greatest common factor (GCF) of 39429 and 39447 is 9.

GCF(39429,39447) = 9

We will now calculate the prime factors of 39429 and 39447, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39429 and 39447.

How to find the GCF of 39429 and 39447?

We will first find the prime factorization of 39429 and 39447. After we will calculate the factors of 39429 and 39447 and find the biggest common factor number .

Step-1: Prime Factorization of 39429

Prime factors of 39429 are 3, 13, 337. Prime factorization of 39429 in exponential form is:

39429 = 3² × 13¹ × 337¹

Step-2: Prime Factorization of 39447

Prime factors of 39447 are 3, 487. Prime factorization of 39447 in exponential form is:

39447 = 3⁴ × 487¹

Step-3: Factors of 39429

List of positive integer factors of 39429 that divides 39429 without a remainder.

1, 3, 9, 13, 39, 117, 337, 1011, 3033, 4381, 13143

Step-4: Factors of 39447

List of positive integer factors of 39447 that divides 39429 without a remainder.

1, 3, 9, 27, 81, 487, 1461, 4383, 13149

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39429 and 39447. The biggest common factor number is the GCF number.
So the greatest common factor 39429 and 39447 is 9.

Also check out the Least Common Multiple of 39429 and 39447