To determine if 7157 is a prime number or a composite number, we simply look at the factors for 7157.
If the factors of 7157 are only 7157 and 1, then we know that 7157 is a prime number. Otherwise, 7157 is a composite number.
To explain better, if 7157 is only divisible by 1 and 7157, then it is a prime number, and if 7157 is divisible by more than 7157 and 1, then it is a composite number.
The factors of 7157 are as follows:
1, 17, 421, 7157
Therefore, since 7157 is divisible by more than one and itself, the answer to the
question "Is 7157 prime or composite?" is highlighted in blue below.
composite
Is 7158 prime or composite?
OK. Now you know that 7157 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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