Q: Is 173,609 a Prime Number?
A: No, 173,609 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 173609 can be evenly divided by 1 127 1,367 and 173,609, with no remainder.
Since 173,609 cannot be divided by just 1 and 173,609, it is not a prime number.