Q: Is 133,409 a Prime Number?
A: No, 133,409 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 133409 can be evenly divided by 1 71 1,879 and 133,409, with no remainder.
Since 133,409 cannot be divided by just 1 and 133,409, it is not a prime number.