To determine if 824 is a prime number or a composite number, we simply look at the factors for 824.
If the factors of 824 are only 824 and 1, then we know that 824 is a prime number. Otherwise, 824 is a composite number.
To explain better, if 824 is only divisible by 1 and 824, then it is a prime number, and if 824 is divisible by more than 824 and 1, then it is a composite number.
The factors of 824 are as follows:
1, 2, 4, 8, 103, 206, 412, 824
Therefore, since 824 is divisible by more than one and itself, the answer to the
question "Is 824 prime or composite?" is highlighted in blue below.
composite
Is 825 prime or composite?
OK. Now you know that 824 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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