Q: Is 161,409 a Prime Number?
A: No, 161,409 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 161409 can be evenly divided by 1 3 173 311 519 933 53,803 and 161,409, with no remainder.
Since 161,409 cannot be divided by just 1 and 161,409, it is not a prime number.