Q: Is 315 a Prime Number?

 A: No, 315 is not a prime number.

Why is 315 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 315 can be evenly divided by 1 3 5 7 9 15 21 35 45 63 105 and 315, with no remainder.

Since 315 cannot be divided by just 1 and 315, it is not a prime number.


More Examples

Number 313314316317
Prime? yesnonoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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