To determine if 2715 is a prime number or a composite number, we simply look at the factors for 2715.
If the factors of 2715 are only 2715 and 1, then we know that 2715 is a prime number. Otherwise, 2715 is a composite number.
To explain better, if 2715 is only divisible by 1 and 2715, then it is a prime number, and if 2715 is divisible by more than 2715 and 1, then it is a composite number.
The factors of 2715 are as follows:
1, 3, 5, 15, 181, 543, 905, 2715
Therefore, since 2715 is divisible by more than one and itself, the answer to the
question "Is 2715 prime or composite?" is highlighted in blue below.
composite
Is 2716 prime or composite?
OK. Now you know that 2715 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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