To determine if 177 is a prime number or a composite number, we simply look at the factors for 177.
If the factors of 177 are only 177 and 1, then we know that 177 is a prime number. Otherwise, 177 is a composite number.
To explain better, if 177 is only divisible by 1 and 177, then it is a prime number, and if 177 is divisible by more than 177 and 1, then it is a composite number.
The factors of 177 are as follows:
1, 3, 59, 177
Therefore, since 177 is divisible by more than one and itself, the answer to the
question "Is 177 prime or composite?" is highlighted in blue below.
composite
Is 178 prime or composite?
OK. Now you know that 177 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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