To determine if 9978 is a prime number or a composite number, we simply look at the factors for 9978.
If the factors of 9978 are only 9978 and 1, then we know that 9978 is a prime number. Otherwise, 9978 is a composite number.
To explain better, if 9978 is only divisible by 1 and 9978, then it is a prime number, and if 9978 is divisible by more than 9978 and 1, then it is a composite number.
The factors of 9978 are as follows:
1, 2, 3, 6, 1663, 3326, 4989, 9978
Therefore, since 9978 is divisible by more than one and itself, the answer to the
question "Is 9978 prime or composite?" is highlighted in blue below.
composite
Is 9979 prime or composite?
OK. Now you know that 9978 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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