To determine if 868 is a prime number or a composite number, we simply look at the factors for 868.
If the factors of 868 are only 868 and 1, then we know that 868 is a prime number. Otherwise, 868 is a composite number.
To explain better, if 868 is only divisible by 1 and 868, then it is a prime number, and if 868 is divisible by more than 868 and 1, then it is a composite number.
The factors of 868 are as follows:
1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868
Therefore, since 868 is divisible by more than one and itself, the answer to the
question "Is 868 prime or composite?" is highlighted in blue below.
composite
Is 869 prime or composite?
OK. Now you know that 868 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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