To determine if 867 is a prime number or a composite number, we simply look at the factors for 867.
If the factors of 867 are only 867 and 1, then we know that 867 is a prime number. Otherwise, 867 is a composite number.
To explain better, if 867 is only divisible by 1 and 867, then it is a prime number, and if 867 is divisible by more than 867 and 1, then it is a composite number.
The factors of 867 are as follows:
1, 3, 17, 51, 289, 867
Therefore, since 867 is divisible by more than one and itself, the answer to the
question "Is 867 prime or composite?" is highlighted in blue below.
composite
Is 868 prime or composite?
OK. Now you know that 867 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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