To determine if 9987 is a prime number or a composite number, we simply look at the factors for 9987.
If the factors of 9987 are only 9987 and 1, then we know that 9987 is a prime number. Otherwise, 9987 is a composite number.
To explain better, if 9987 is only divisible by 1 and 9987, then it is a prime number, and if 9987 is divisible by more than 9987 and 1, then it is a composite number.
The factors of 9987 are as follows:
1, 3, 3329, 9987
Therefore, since 9987 is divisible by more than one and itself, the answer to the
question "Is 9987 prime or composite?" is highlighted in blue below.
composite
Is 9988 prime or composite?
OK. Now you know that 9987 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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