Q: Is 402,421 a Prime Number?

 A: No, 402,421 is not a prime number.

Why is 402,421 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 402421 can be evenly divided by 1 103 3,907 and 402,421, with no remainder.

Since 402,421 cannot be divided by just 1 and 402,421, it is not a prime number.


More Examples

Number 402,419402,420402,422402,423
Prime? yesnonono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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