Q: Is 136,409 a Prime Number?
A: No, 136,409 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 136409 can be evenly divided by 1 7 13 91 1,499 10,493 19,487 and 136,409, with no remainder.
Since 136,409 cannot be divided by just 1 and 136,409, it is not a prime number.