Q: Is 421,165 a Prime Number?

 A: No, 421,165 is not a prime number.

Why is 421,165 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 421165 can be evenly divided by 1 5 131 643 655 3,215 84,233 and 421,165, with no remainder.

Since 421,165 cannot be divided by just 1 and 421,165, it is not a prime number.


More Examples

Number 421,163421,164421,166421,167
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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