To determine if 998 is a prime number or a composite number, we simply look at the factors for 998.
If the factors of 998 are only 998 and 1, then we know that 998 is a prime number. Otherwise, 998 is a composite number.
To explain better, if 998 is only divisible by 1 and 998, then it is a prime number, and if 998 is divisible by more than 998 and 1, then it is a composite number.
The factors of 998 are as follows:
1, 2, 499, 998
Therefore, since 998 is divisible by more than one and itself, the answer to the
question "Is 998 prime or composite?" is highlighted in blue below.
composite
Is 999 prime or composite?
OK. Now you know that 998 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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