To determine if 9989 is a prime number or a composite number, we simply look at the factors for 9989.
If the factors of 9989 are only 9989 and 1, then we know that 9989 is a prime number. Otherwise, 9989 is a composite number.
To explain better, if 9989 is only divisible by 1 and 9989, then it is a prime number, and if 9989 is divisible by more than 9989 and 1, then it is a composite number.
The factors of 9989 are as follows:
1, 7, 1427, 9989
Therefore, since 9989 is divisible by more than one and itself, the answer to the
question "Is 9989 prime or composite?" is highlighted in blue below.
composite
Is 9990 prime or composite?
OK. Now you know that 9989 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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