To determine if 3919 is a prime number or a composite number, we simply look at the factors for 3919.
If the factors of 3919 are only 3919 and 1, then we know that 3919 is a prime number. Otherwise, 3919 is a composite number.
To explain better, if 3919 is only divisible by 1 and 3919, then it is a prime number, and if 3919 is divisible by more than 3919 and 1, then it is a composite number.
The factors of 3919 are as follows:
1, 3919
Therefore, since 3919 is divisible by only one and itself, the answer to the
question "Is 3919 prime or composite?" is highlighted in blue below.
prime
Is 3920 prime or composite?
OK. Now you know that 3919 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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