To determine if 8398 is a prime number or a composite number, we simply look at the factors for 8398.
If the factors of 8398 are only 8398 and 1, then we know that 8398 is a prime number. Otherwise, 8398 is a composite number.
To explain better, if 8398 is only divisible by 1 and 8398, then it is a prime number, and if 8398 is divisible by more than 8398 and 1, then it is a composite number.
The factors of 8398 are as follows:
1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 4199, 8398
Therefore, since 8398 is divisible by more than one and itself, the answer to the
question "Is 8398 prime or composite?" is highlighted in blue below.
composite
Is 8399 prime or composite?
OK. Now you know that 8398 is a composite number. Use our logic above and see if
you can figure out if the next number on our list is prime or composite before you check your answer.
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