Q: Is 199,609 a Prime Number?
A: No, 199,609 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 199609 can be evenly divided by 1 31 47 137 1,457 4,247 6,439 and 199,609, with no remainder.
Since 199,609 cannot be divided by just 1 and 199,609, it is not a prime number.