Is 40 prime or composite?

To determine if 40 is a prime number or a composite number, we simply look at the factors for 40.

If the factors of 40 are only 40 and 1, then we know that 40 is a prime number. Otherwise, 40 is a composite number.

To explain better, if 40 is only divisible by 1 and 40, then it is a prime number, and if 40 is divisible by more than 40 and 1, then it is a composite number.

The factors of 40 are as follows:

1, 2, 4, 5, 8, 10, 20, 40

Therefore, since 40 is divisible by more than one and itself, the answer to the question "Is 40 prime or composite?" is highlighted in blue below.


Is 41 prime or composite?
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