Q: Is 6,409 a Prime Number?
A: No, 6,409 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 6409 can be evenly divided by 1 13 17 29 221 377 493 and 6,409, with no remainder.
Since 6,409 cannot be divided by just 1 and 6,409, it is not a prime number.