Q: Is 721,205 a Prime Number?

 A: No, 721,205 is not a prime number.

Why is 721,205 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 721205 can be evenly divided by 1 5 144,241 and 721,205, with no remainder.

Since 721,205 cannot be divided by just 1 and 721,205, it is not a prime number.


More Examples

Number 721,203721,204721,206721,207
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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