What is the Greatest Common Factor of 55389 and 55407?

Greatest common factor (GCF) of 55389 and 55407 is 3.

GCF(55389,55407) = 3

We will now calculate the prime factors of 55389 and 55407, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55389 and 55407.

How to find the GCF of 55389 and 55407?

We will first find the prime factorization of 55389 and 55407. After we will calculate the factors of 55389 and 55407 and find the biggest common factor number .

Step-1: Prime Factorization of 55389

Prime factors of 55389 are 3, 37, 499. Prime factorization of 55389 in exponential form is:

55389 = 3¹ × 37¹ × 499¹

Step-2: Prime Factorization of 55407

Prime factors of 55407 are 3, 11, 23, 73. Prime factorization of 55407 in exponential form is:

55407 = 3¹ × 11¹ × 23¹ × 73¹

Step-3: Factors of 55389

List of positive integer factors of 55389 that divides 55389 without a remainder.

1, 3, 37, 111, 499, 1497, 18463

Step-4: Factors of 55407

List of positive integer factors of 55407 that divides 55389 without a remainder.

1, 3, 11, 23, 33, 69, 73, 219, 253, 759, 803, 1679, 2409, 5037, 18469

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55389 and 55407. The biggest common factor number is the GCF number.
So the greatest common factor 55389 and 55407 is 3.

Also check out the Least Common Multiple of 55389 and 55407