What is the Greatest Common Factor of 23430 and 23439?

Greatest common factor (GCF) of 23430 and 23439 is 3.

GCF(23430,23439) = 3

We will now calculate the prime factors of 23430 and 23439, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23430 and 23439.

How to find the GCF of 23430 and 23439?

We will first find the prime factorization of 23430 and 23439. After we will calculate the factors of 23430 and 23439 and find the biggest common factor number .

Step-1: Prime Factorization of 23430

Prime factors of 23430 are 2, 3, 5, 11, 71. Prime factorization of 23430 in exponential form is:

23430 = 2¹ × 3¹ × 5¹ × 11¹ × 71¹

Step-2: Prime Factorization of 23439

Prime factors of 23439 are 3, 13, 601. Prime factorization of 23439 in exponential form is:

23439 = 3¹ × 13¹ × 601¹

Step-3: Factors of 23430

List of positive integer factors of 23430 that divides 23430 without a remainder.

1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 110, 142, 165, 213, 330, 355, 426, 710, 781, 1065, 1562, 2130, 2343, 3905, 4686, 7810, 11715

Step-4: Factors of 23439

List of positive integer factors of 23439 that divides 23430 without a remainder.

1, 3, 13, 39, 601, 1803, 7813

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23430 and 23439. The biggest common factor number is the GCF number.
So the greatest common factor 23430 and 23439 is 3.

Also check out the Least Common Multiple of 23430 and 23439