Q: Is 311,121,999 a Prime Number?

 A: No, 311,121,999 is not a prime number.

Why is 311,121,999 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 311121999 can be evenly divided by 1 3 9 27 47 141 423 1,269 245,171 735,513 2,206,539 6,619,617 11,523,037 34,569,111 103,707,333 and 311,121,999, with no remainder.

Since 311,121,999 cannot be divided by just 1 and 311,121,999, it is not a prime number.


More Examples

Number 311,121,997311,121,998311,122,000311,122,001
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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