To determine if 1157 is a prime number or a composite number, we simply look at the factors for 1157.
If the factors of 1157 are only 1157 and 1, then we know that 1157 is a prime number. Otherwise, 1157 is a composite number.
To explain better, if 1157 is only divisible by 1 and 1157, then it is a prime number, and if 1157 is divisible by more than 1157 and 1, then it is a composite number.
The factors of 1157 are as follows:
1, 13, 89, 1157
Therefore, since 1157 is divisible by more than one and itself, the answer to the
question "Is 1157 prime or composite?" is highlighted in blue below.
composite
Is 1158 prime or composite?
OK. Now you know that 1157 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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