What is the Greatest Common Factor of 66429 and 66447?

Greatest common factor (GCF) of 66429 and 66447 is 9.

GCF(66429,66447) = 9

We will now calculate the prime factors of 66429 and 66447, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66429 and 66447.

How to find the GCF of 66429 and 66447?

We will first find the prime factorization of 66429 and 66447. After we will calculate the factors of 66429 and 66447 and find the biggest common factor number .

Step-1: Prime Factorization of 66429

Prime factors of 66429 are 3, 11, 61. Prime factorization of 66429 in exponential form is:

66429 = 3² × 11² × 61¹

Step-2: Prime Factorization of 66447

Prime factors of 66447 are 3, 23, 107. Prime factorization of 66447 in exponential form is:

66447 = 3³ × 23¹ × 107¹

Step-3: Factors of 66429

List of positive integer factors of 66429 that divides 66429 without a remainder.

1, 3, 9, 11, 33, 61, 99, 121, 183, 363, 549, 671, 1089, 2013, 6039, 7381, 22143

Step-4: Factors of 66447

List of positive integer factors of 66447 that divides 66429 without a remainder.

1, 3, 9, 23, 27, 69, 107, 207, 321, 621, 963, 2461, 2889, 7383, 22149

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66429 and 66447. The biggest common factor number is the GCF number.
So the greatest common factor 66429 and 66447 is 9.

Also check out the Least Common Multiple of 66429 and 66447