To determine if 178 is a prime number or a composite number, we simply look at the factors for 178.
If the factors of 178 are only 178 and 1, then we know that 178 is a prime number. Otherwise, 178 is a composite number.
To explain better, if 178 is only divisible by 1 and 178, then it is a prime number, and if 178 is divisible by more than 178 and 1, then it is a composite number.
The factors of 178 are as follows:
1, 2, 89, 178
Therefore, since 178 is divisible by more than one and itself, the answer to the
question "Is 178 prime or composite?" is highlighted in blue below.
composite
Is 179 prime or composite?
OK. Now you know that 178 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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