Q: Is 168,421 a Prime Number?

 A: No, 168,421 is not a prime number.

Why is 168,421 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 168421 can be evenly divided by 1 11 61 251 671 2,761 15,311 and 168,421, with no remainder.

Since 168,421 cannot be divided by just 1 and 168,421, it is not a prime number.


More Examples

Number 168,419168,420168,422168,423
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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