Q: Is 1,255 a Prime Number?

 A: No, 1,255 is not a prime number.

Why is 1,255 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 1255 can be evenly divided by 1 5 251 and 1,255, with no remainder.

Since 1,255 cannot be divided by just 1 and 1,255, it is not a prime number.


More Examples

Number 1,2531,2541,2561,257
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 1,255:


Ask a Question