What is the Greatest Common Factor of 3405 and 3423?

Greatest common factor (GCF) of 3405 and 3423 is 3.

GCF(3405,3423) = 3

We will now calculate the prime factors of 3405 and 3423, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3405 and 3423.

How to find the GCF of 3405 and 3423?

We will first find the prime factorization of 3405 and 3423. After we will calculate the factors of 3405 and 3423 and find the biggest common factor number .

Step-1: Prime Factorization of 3405

Prime factors of 3405 are 3, 5, 227. Prime factorization of 3405 in exponential form is:

3405 = 3¹ × 5¹ × 227¹

Step-2: Prime Factorization of 3423

Prime factors of 3423 are 3, 7, 163. Prime factorization of 3423 in exponential form is:

3423 = 3¹ × 7¹ × 163¹

Step-3: Factors of 3405

List of positive integer factors of 3405 that divides 3405 without a remainder.

1, 3, 5, 15, 227, 681, 1135

Step-4: Factors of 3423

List of positive integer factors of 3423 that divides 3405 without a remainder.

1, 3, 7, 21, 163, 489, 1141

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3405 and 3423. The biggest common factor number is the GCF number.
So the greatest common factor 3405 and 3423 is 3.

Also check out the Least Common Multiple of 3405 and 3423