Q: Is 1,989 a Prime Number?

 A: No, 1,989 is not a prime number.

Why is 1,989 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 1989 can be evenly divided by 1 3 9 13 17 39 51 117 153 221 663 and 1,989, with no remainder.

Since 1,989 cannot be divided by just 1 and 1,989, it is not a prime number.


More Examples

Number 1,9871,9881,9901,991
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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