To determine if 164 is a prime number or a composite number, we simply look at the factors for 164.
If the factors of 164 are only 164 and 1, then we know that 164 is a prime number. Otherwise, 164 is a composite number.
To explain better, if 164 is only divisible by 1 and 164, then it is a prime number, and if 164 is divisible by more than 164 and 1, then it is a composite number.
The factors of 164 are as follows:
1, 2, 4, 41, 82, 164
Therefore, since 164 is divisible by more than one and itself, the answer to the
question "Is 164 prime or composite?" is highlighted in blue below.
composite
Is 165 prime or composite?
OK. Now you know that 164 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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