Q: Is 409,091 a Prime Number?
A: No, 409,091 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 409091 can be evenly divided by 1 313 1,307 and 409,091, with no remainder.
Since 409,091 cannot be divided by just 1 and 409,091, it is not a prime number.