To determine if 9985 is a prime number or a composite number, we simply look at the factors for 9985.
If the factors of 9985 are only 9985 and 1, then we know that 9985 is a prime number. Otherwise, 9985 is a composite number.
To explain better, if 9985 is only divisible by 1 and 9985, then it is a prime number, and if 9985 is divisible by more than 9985 and 1, then it is a composite number.
The factors of 9985 are as follows:
1, 5, 1997, 9985
Therefore, since 9985 is divisible by more than one and itself, the answer to the
question "Is 9985 prime or composite?" is highlighted in blue below.
composite
Is 9986 prime or composite?
OK. Now you know that 9985 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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