To determine if 1457 is a prime number or a composite number, we simply look at the factors for 1457.
If the factors of 1457 are only 1457 and 1, then we know that 1457 is a prime number. Otherwise, 1457 is a composite number.
To explain better, if 1457 is only divisible by 1 and 1457, then it is a prime number, and if 1457 is divisible by more than 1457 and 1, then it is a composite number.
The factors of 1457 are as follows:
1, 31, 47, 1457
Therefore, since 1457 is divisible by more than one and itself, the answer to the
question "Is 1457 prime or composite?" is highlighted in blue below.
composite
Is 1458 prime or composite?
OK. Now you know that 1457 is a composite 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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