To determine if 4021 is a prime number or a composite number, we simply look at the factors for 4021.
If the factors of 4021 are only 4021 and 1, then we know that 4021 is a prime number. Otherwise, 4021 is a composite number.
To explain better, if 4021 is only divisible by 1 and 4021, then it is a prime number, and if 4021 is divisible by more than 4021 and 1, then it is a composite number.
The factors of 4021 are as follows:
1, 4021
Therefore, since 4021 is divisible by only one and itself, the answer to the
question "Is 4021 prime or composite?" is highlighted in blue below.
prime
Is 4022 prime or composite?
OK. Now you know that 4021 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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