Q: Is 999,421 a Prime Number?

 A: No, 999,421 is not a prime number.

Why is 999,421 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 999421 can be evenly divided by 1 53 109 173 5,777 9,169 18,857 and 999,421, with no remainder.

Since 999,421 cannot be divided by just 1 and 999,421, it is not a prime number.


More Examples

Number 999,419999,420999,422999,423
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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