What is the Greatest Common Factor of 17409 and 17423?

Greatest common factor (GCF) of 17409 and 17423 is 7.

GCF(17409,17423) = 7

We will now calculate the prime factors of 17409 and 17423, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17409 and 17423.

How to find the GCF of 17409 and 17423?

We will first find the prime factorization of 17409 and 17423. After we will calculate the factors of 17409 and 17423 and find the biggest common factor number .

Step-1: Prime Factorization of 17409

Prime factors of 17409 are 3, 7, 829. Prime factorization of 17409 in exponential form is:

17409 = 3¹ × 7¹ × 829¹

Step-2: Prime Factorization of 17423

Prime factors of 17423 are 7, 19, 131. Prime factorization of 17423 in exponential form is:

17423 = 7¹ × 19¹ × 131¹

Step-3: Factors of 17409

List of positive integer factors of 17409 that divides 17409 without a remainder.

1, 3, 7, 21, 829, 2487, 5803

Step-4: Factors of 17423

List of positive integer factors of 17423 that divides 17409 without a remainder.

1, 7, 19, 131, 133, 917, 2489

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17409 and 17423. The biggest common factor number is the GCF number.
So the greatest common factor 17409 and 17423 is 7.

Also check out the Least Common Multiple of 17409 and 17423