To determine if 419 is a prime number or a composite number, we simply look at the factors for 419.
If the factors of 419 are only 419 and 1, then we know that 419 is a prime number. Otherwise, 419 is a composite number.
To explain better, if 419 is only divisible by 1 and 419, then it is a prime number, and if 419 is divisible by more than 419 and 1, then it is a composite number.
The factors of 419 are as follows:
1, 419
Therefore, since 419 is divisible by only one and itself, the answer to the
question "Is 419 prime or composite?" is highlighted in blue below.
prime
Is 420 prime or composite?
OK. Now you know that 419 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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