To determine if 7999 is a prime number or a composite number, we simply look at the factors for 7999.
If the factors of 7999 are only 7999 and 1, then we know that 7999 is a prime number. Otherwise, 7999 is a composite number.
To explain better, if 7999 is only divisible by 1 and 7999, then it is a prime number, and if 7999 is divisible by more than 7999 and 1, then it is a composite number.
The factors of 7999 are as follows:
1, 19, 421, 7999
Therefore, since 7999 is divisible by more than one and itself, the answer to the
question "Is 7999 prime or composite?" is highlighted in blue below.
composite
Is 8000 prime or composite?
OK. Now you know that 7999 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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