What is the Greatest Common Factor of 2398 and 2409?

Greatest common factor (GCF) of 2398 and 2409 is 11.

GCF(2398,2409) = 11

We will now calculate the prime factors of 2398 and 2409, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2398 and 2409.

How to find the GCF of 2398 and 2409?

We will first find the prime factorization of 2398 and 2409. After we will calculate the factors of 2398 and 2409 and find the biggest common factor number .

Step-1: Prime Factorization of 2398

Prime factors of 2398 are 2, 11, 109. Prime factorization of 2398 in exponential form is:

2398 = 2¹ × 11¹ × 109¹

Step-2: Prime Factorization of 2409

Prime factors of 2409 are 3, 11, 73. Prime factorization of 2409 in exponential form is:

2409 = 3¹ × 11¹ × 73¹

Step-3: Factors of 2398

List of positive integer factors of 2398 that divides 2398 without a remainder.

1, 2, 11, 22, 109, 218, 1199

Step-4: Factors of 2409

List of positive integer factors of 2409 that divides 2398 without a remainder.

1, 3, 11, 33, 73, 219, 803

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2398 and 2409. The biggest common factor number is the GCF number.
So the greatest common factor 2398 and 2409 is 11.

Also check out the Least Common Multiple of 2398 and 2409