Q: Is 409,340 a Prime Number?
A: No, 409,340 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 409340 can be evenly divided by 1 2 4 5 10 20 97 194 211 388 422 485 844 970 1,055 1,940 2,110 4,220 20,467 40,934 81,868 102,335 204,670 and 409,340, with no remainder.
Since 409,340 cannot be divided by just 1 and 409,340, it is not a prime number.