Q: Is 121,121,007 a Prime Number?

 A: No, 121,121,007 is not a prime number.

Why is 121,121,007 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 121121007 can be evenly divided by 1 3 7 21 353 1,059 2,471 7,413 16,339 49,017 114,373 343,119 5,767,667 17,303,001 40,373,669 and 121,121,007, with no remainder.

Since 121,121,007 cannot be divided by just 1 and 121,121,007, it is not a prime number.


More Examples

Number 121,121,005121,121,006121,121,008121,121,009
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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