Q: Is 321 a Prime Number?

 A: No, 321 is not a prime number.

Why is 321 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 321 can be evenly divided by 1 3 107 and 321, with no remainder.

Since 321 cannot be divided by just 1 and 321, it is not a prime number.

More Examples

Number 319320322323
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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