To determine if 162 is a prime number or a composite number, we simply look at the factors for 162.
If the factors of 162 are only 162 and 1, then we know that 162 is a prime number. Otherwise, 162 is a composite number.
To explain better, if 162 is only divisible by 1 and 162, then it is a prime number, and if 162 is divisible by more than 162 and 1, then it is a composite number.
The factors of 162 are as follows:
1, 2, 3, 6, 9, 18, 27, 54, 81, 162
Therefore, since 162 is divisible by more than one and itself, the answer to the
question "Is 162 prime or composite?" is highlighted in blue below.
composite
Is 163 prime or composite?
OK. Now you know that 162 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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