Q: Is 4 a Prime Number?

 A: No, 4 is not a prime number.

Why is 4 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 4 can be evenly divided by 1 2 and 4, with no remainder.

Since 4 cannot be divided by just 1 and 4, it is not a prime number.


More Examples

Number 2356
Prime? yesyesyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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