To determine if 181 is a prime number or a composite number, we simply look at the factors for 181.
If the factors of 181 are only 181 and 1, then we know that 181 is a prime number. Otherwise, 181 is a composite number.
To explain better, if 181 is only divisible by 1 and 181, then it is a prime number, and if 181 is divisible by more than 181 and 1, then it is a composite number.
The factors of 181 are as follows:
1, 181
Therefore, since 181 is divisible by only one and itself, the answer to the
question "Is 181 prime or composite?" is highlighted in blue below.
prime
Is 182 prime or composite?
OK. Now you know that 181 is a prime 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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