Q: Is 121,221,008 a Prime Number?

 A: No, 121,221,008 is not a prime number.

Why is 121,221,008 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 121221008 can be evenly divided by 1 2 4 8 16 101 202 404 808 1,616 75,013 150,026 300,052 600,104 1,200,208 7,576,313 15,152,626 30,305,252 60,610,504 and 121,221,008, with no remainder.

Since 121,221,008 cannot be divided by just 1 and 121,221,008, it is not a prime number.


More Examples

Number 121,221,006121,221,007121,221,009121,221,010
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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