To determine if 9861 is a prime number or a composite number, we simply look at the factors for 9861.
If the factors of 9861 are only 9861 and 1, then we know that 9861 is a prime number. Otherwise, 9861 is a composite number.
To explain better, if 9861 is only divisible by 1 and 9861, then it is a prime number, and if 9861 is divisible by more than 9861 and 1, then it is a composite number.
The factors of 9861 are as follows:
1, 3, 19, 57, 173, 519, 3287, 9861
Therefore, since 9861 is divisible by more than one and itself, the answer to the
question "Is 9861 prime or composite?" is highlighted in blue below.
composite
Is 9862 prime or composite?
OK. Now you know that 9861 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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