What is the Greatest Common Factor of 55405 and 55423?

Greatest common factor (GCF) of 55405 and 55423 is 1.

GCF(55405,55423) = 1

We will now calculate the prime factors of 55405 and 55423, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55405 and 55423.

How to find the GCF of 55405 and 55423?

We will first find the prime factorization of 55405 and 55423. After we will calculate the factors of 55405 and 55423 and find the biggest common factor number .

Step-1: Prime Factorization of 55405

Prime factors of 55405 are 5, 7, 1583. Prime factorization of 55405 in exponential form is:

55405 = 5¹ × 7¹ × 1583¹

Step-2: Prime Factorization of 55423

Prime factors of 55423 are 19, 2917. Prime factorization of 55423 in exponential form is:

55423 = 19¹ × 2917¹

Step-3: Factors of 55405

List of positive integer factors of 55405 that divides 55405 without a remainder.

1, 5, 7, 35, 1583, 7915, 11081

Step-4: Factors of 55423

List of positive integer factors of 55423 that divides 55405 without a remainder.

1, 19, 2917

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55405 and 55423. The biggest common factor number is the GCF number.
So the greatest common factor 55405 and 55423 is 1.

Also check out the Least Common Multiple of 55405 and 55423