What is the Greatest Common Factor of 12423 and 12429?

Greatest common factor (GCF) of 12423 and 12429 is 3.

GCF(12423,12429) = 3

We will now calculate the prime factors of 12423 and 12429, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12423 and 12429.

How to find the GCF of 12423 and 12429?

We will first find the prime factorization of 12423 and 12429. After we will calculate the factors of 12423 and 12429 and find the biggest common factor number .

Step-1: Prime Factorization of 12423

Prime factors of 12423 are 3, 41, 101. Prime factorization of 12423 in exponential form is:

12423 = 3¹ × 41¹ × 101¹

Step-2: Prime Factorization of 12429

Prime factors of 12429 are 3, 1381. Prime factorization of 12429 in exponential form is:

12429 = 3² × 1381¹

Step-3: Factors of 12423

List of positive integer factors of 12423 that divides 12423 without a remainder.

1, 3, 41, 101, 123, 303, 4141

Step-4: Factors of 12429

List of positive integer factors of 12429 that divides 12423 without a remainder.

1, 3, 9, 1381, 4143

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12423 and 12429. The biggest common factor number is the GCF number.
So the greatest common factor 12423 and 12429 is 3.

Also check out the Least Common Multiple of 12423 and 12429