Q: Is 138,509 a Prime Number?

 A: No, 138,509 is not a prime number.

Why is 138,509 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 138509 can be evenly divided by 1 7 47 329 421 2,947 19,787 and 138,509, with no remainder.

Since 138,509 cannot be divided by just 1 and 138,509, it is not a prime number.


More Examples

Number 138,507138,508138,510138,511
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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