Q: Is 1,980 a Prime Number?

 A: No, 1,980 is not a prime number.

Why is 1,980 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 1980 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 and 1,980, with no remainder.

Since 1,980 cannot be divided by just 1 and 1,980, it is not a prime number.


More Examples

Number 1,9781,9791,9811,982
Prime? noyesnono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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