To determine if 160 is a prime number or a composite number, we simply look at the factors for 160.
If the factors of 160 are only 160 and 1, then we know that 160 is a prime number. Otherwise, 160 is a composite number.
To explain better, if 160 is only divisible by 1 and 160, then it is a prime number, and if 160 is divisible by more than 160 and 1, then it is a composite number.
The factors of 160 are as follows:
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160
Therefore, since 160 is divisible by more than one and itself, the answer to the
question "Is 160 prime or composite?" is highlighted in blue below.
composite
Is 161 prime or composite?
OK. Now you know that 160 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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