Q: Is 138,210,009 a Prime Number?

 A: No, 138,210,009 is not a prime number.

Why is 138,210,009 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 138210009 can be evenly divided by 1 3 7 19 21 57 133 399 346,391 1,039,173 2,424,737 6,581,429 7,274,211 19,744,287 46,070,003 and 138,210,009, with no remainder.

Since 138,210,009 cannot be divided by just 1 and 138,210,009, it is not a prime number.


More Examples

Number 138,210,007138,210,008138,210,010138,210,011
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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