To determine if 457 is a prime number or a composite number, we simply look at the factors for 457.
If the factors of 457 are only 457 and 1, then we know that 457 is a prime number. Otherwise, 457 is a composite number.
To explain better, if 457 is only divisible by 1 and 457, then it is a prime number, and if 457 is divisible by more than 457 and 1, then it is a composite number.
The factors of 457 are as follows:
1, 457
Therefore, since 457 is divisible by only one and itself, the answer to the
question "Is 457 prime or composite?" is highlighted in blue below.
prime
Is 458 prime or composite?
OK. Now you know that 457 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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