To determine if 4019 is a prime number or a composite number, we simply look at the factors for 4019.
If the factors of 4019 are only 4019 and 1, then we know that 4019 is a prime number. Otherwise, 4019 is a composite number.
To explain better, if 4019 is only divisible by 1 and 4019, then it is a prime number, and if 4019 is divisible by more than 4019 and 1, then it is a composite number.
The factors of 4019 are as follows:
1, 4019
Therefore, since 4019 is divisible by only one and itself, the answer to the
question "Is 4019 prime or composite?" is highlighted in blue below.
prime
Is 4020 prime or composite?
OK. Now you know that 4019 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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