To determine if 166 is a prime number or a composite number, we simply look at the factors for 166.
If the factors of 166 are only 166 and 1, then we know that 166 is a prime number. Otherwise, 166 is a composite number.
To explain better, if 166 is only divisible by 1 and 166, then it is a prime number, and if 166 is divisible by more than 166 and 1, then it is a composite number.
The factors of 166 are as follows:
1, 2, 83, 166
Therefore, since 166 is divisible by more than one and itself, the answer to the
question "Is 166 prime or composite?" is highlighted in blue below.
composite
Is 167 prime or composite?
OK. Now you know that 166 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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