Q: Is 199,509 a Prime Number?
A: No, 199,509 is 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 199509 can be evenly divided by 1 3 73 219 911 2,733 66,503 and 199,509, with no remainder.
Since 199,509 cannot be divided by just 1 and 199,509, it is not a prime number.