What is the Greatest Common Factor of 55521 and 55539?

Greatest common factor (GCF) of 55521 and 55539 is 9.

GCF(55521,55539) = 9

We will now calculate the prime factors of 55521 and 55539, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55521 and 55539.

How to find the GCF of 55521 and 55539?

We will first find the prime factorization of 55521 and 55539. After we will calculate the factors of 55521 and 55539 and find the biggest common factor number .

Step-1: Prime Factorization of 55521

Prime factors of 55521 are 3, 31, 199. Prime factorization of 55521 in exponential form is:

55521 = 3² × 31¹ × 199¹

Step-2: Prime Factorization of 55539

Prime factors of 55539 are 3, 11, 17. Prime factorization of 55539 in exponential form is:

55539 = 3³ × 11² × 17¹

Step-3: Factors of 55521

List of positive integer factors of 55521 that divides 55521 without a remainder.

1, 3, 9, 31, 93, 199, 279, 597, 1791, 6169, 18507

Step-4: Factors of 55539

List of positive integer factors of 55539 that divides 55521 without a remainder.

1, 3, 9, 11, 17, 27, 33, 51, 99, 121, 153, 187, 297, 363, 459, 561, 1089, 1683, 2057, 3267, 5049, 6171, 18513

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55521 and 55539. The biggest common factor number is the GCF number.
So the greatest common factor 55521 and 55539 is 9.

Also check out the Least Common Multiple of 55521 and 55539