To determine if 863 is a prime number or a composite number, we simply look at the factors for 863.
If the factors of 863 are only 863 and 1, then we know that 863 is a prime number. Otherwise, 863 is a composite number.
To explain better, if 863 is only divisible by 1 and 863, then it is a prime number, and if 863 is divisible by more than 863 and 1, then it is a composite number.
The factors of 863 are as follows:
1, 863
Therefore, since 863 is divisible by only one and itself, the answer to the
question "Is 863 prime or composite?" is highlighted in blue below.
prime
Is 864 prime or composite?
OK. Now you know that 863 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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