To determine if 9865 is a prime number or a composite number, we simply look at the factors for 9865.
If the factors of 9865 are only 9865 and 1, then we know that 9865 is a prime number. Otherwise, 9865 is a composite number.
To explain better, if 9865 is only divisible by 1 and 9865, then it is a prime number, and if 9865 is divisible by more than 9865 and 1, then it is a composite number.
The factors of 9865 are as follows:
1, 5, 1973, 9865
Therefore, since 9865 is divisible by more than one and itself, the answer to the
question "Is 9865 prime or composite?" is highlighted in blue below.
composite
Is 9866 prime or composite?
OK. Now you know that 9865 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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