Q: Is 55,155,553 a Prime Number?

 A: Yes, 55,155,553 is a prime number.

Why is 55,155,553 a prime number?

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

The number 55155553 can be evenly divided by 1 and 55,155,553, with no remainder.

Since 55,155,553 can be divided by just 1 and 55,155,553, it is a prime number.


More Examples

Number 55,155,55155,155,55255,155,55455,155,555
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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