What is the Greatest Common Factor of 55647 and 55665?

Greatest common factor (GCF) of 55647 and 55665 is 9.

GCF(55647,55665) = 9

We will now calculate the prime factors of 55647 and 55665, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55647 and 55665.

How to find the GCF of 55647 and 55665?

We will first find the prime factorization of 55647 and 55665. After we will calculate the factors of 55647 and 55665 and find the biggest common factor number .

Step-1: Prime Factorization of 55647

Prime factors of 55647 are 3, 229. Prime factorization of 55647 in exponential form is:

55647 = 3⁵ × 229¹

Step-2: Prime Factorization of 55665

Prime factors of 55665 are 3, 5, 1237. Prime factorization of 55665 in exponential form is:

55665 = 3² × 5¹ × 1237¹

Step-3: Factors of 55647

List of positive integer factors of 55647 that divides 55647 without a remainder.

1, 3, 9, 27, 81, 229, 243, 687, 2061, 6183, 18549

Step-4: Factors of 55665

List of positive integer factors of 55665 that divides 55647 without a remainder.

1, 3, 5, 9, 15, 45, 1237, 3711, 6185, 11133, 18555

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55647 and 55665. The biggest common factor number is the GCF number.
So the greatest common factor 55647 and 55665 is 9.

Also check out the Least Common Multiple of 55647 and 55665