To determine if 7989 is a prime number or a composite number, we simply look at the factors for 7989.
If the factors of 7989 are only 7989 and 1, then we know that 7989 is a prime number. Otherwise, 7989 is a composite number.
To explain better, if 7989 is only divisible by 1 and 7989, then it is a prime number, and if 7989 is divisible by more than 7989 and 1, then it is a composite number.
The factors of 7989 are as follows:
1, 3, 2663, 7989
Therefore, since 7989 is divisible by more than one and itself, the answer to the
question "Is 7989 prime or composite?" is highlighted in blue below.
composite
Is 7990 prime or composite?
OK. Now you know that 7989 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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