Q: Is 408,003 a Prime Number?
A: No, 408,003 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 408003 can be evenly divided by 1 3 307 443 921 1,329 136,001 and 408,003, with no remainder.
Since 408,003 cannot be divided by just 1 and 408,003, it is not a prime number.