To determine if 1019 is a prime number or a composite number, we simply look at the factors for 1019.
If the factors of 1019 are only 1019 and 1, then we know that 1019 is a prime number. Otherwise, 1019 is a composite number.
To explain better, if 1019 is only divisible by 1 and 1019, then it is a prime number, and if 1019 is divisible by more than 1019 and 1, then it is a composite number.
The factors of 1019 are as follows:
1, 1019
Therefore, since 1019 is divisible by only one and itself, the answer to the
question "Is 1019 prime or composite?" is highlighted in blue below.
prime
Is 1020 prime or composite?
OK. Now you know that 1019 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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