Q: Is 121,211,210 a Prime Number?

 A: No, 121,211,210 is not a prime number.

Why is 121,211,210 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 121211210 can be evenly divided by 1 2 5 10 12,121,121 24,242,242 60,605,605 and 121,211,210, with no remainder.

Since 121,211,210 cannot be divided by just 1 and 121,211,210, it is not a prime number.


More Examples

Number 121,211,208121,211,209121,211,211121,211,212
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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