To determine if 1018 is a prime number or a composite number, we simply look at the factors for 1018.
If the factors of 1018 are only 1018 and 1, then we know that 1018 is a prime number. Otherwise, 1018 is a composite number.
To explain better, if 1018 is only divisible by 1 and 1018, then it is a prime number, and if 1018 is divisible by more than 1018 and 1, then it is a composite number.
The factors of 1018 are as follows:
1, 2, 509, 1018
Therefore, since 1018 is divisible by more than one and itself, the answer to the
question "Is 1018 prime or composite?" is highlighted in blue below.
composite
Is 1019 prime or composite?
OK. Now you know that 1018 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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