To determine if 5815 is a prime number or a composite number, we simply look at the factors for 5815.
If the factors of 5815 are only 5815 and 1, then we know that 5815 is a prime number. Otherwise, 5815 is a composite number.
To explain better, if 5815 is only divisible by 1 and 5815, then it is a prime number, and if 5815 is divisible by more than 5815 and 1, then it is a composite number.
The factors of 5815 are as follows:
1, 5, 1163, 5815
Therefore, since 5815 is divisible by more than one and itself, the answer to the
question "Is 5815 prime or composite?" is highlighted in blue below.
composite
Is 5816 prime or composite?
OK. Now you know that 5815 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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