To determine if 163 is a prime number or a composite number, we simply look at the factors for 163.
If the factors of 163 are only 163 and 1, then we know that 163 is a prime number. Otherwise, 163 is a composite number.
To explain better, if 163 is only divisible by 1 and 163, then it is a prime number, and if 163 is divisible by more than 163 and 1, then it is a composite number.
The factors of 163 are as follows:
1, 163
Therefore, since 163 is divisible by only one and itself, the answer to the
question "Is 163 prime or composite?" is highlighted in blue below.
prime
Is 164 prime or composite?
OK. Now you know that 163 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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