To determine if 823 is a prime number or a composite number, we simply look at the factors for 823.
If the factors of 823 are only 823 and 1, then we know that 823 is a prime number. Otherwise, 823 is a composite number.
To explain better, if 823 is only divisible by 1 and 823, then it is a prime number, and if 823 is divisible by more than 823 and 1, then it is a composite number.
The factors of 823 are as follows:
1, 823
Therefore, since 823 is divisible by only one and itself, the answer to the
question "Is 823 prime or composite?" is highlighted in blue below.
prime
Is 824 prime or composite?
OK. Now you know that 823 is a prime 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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