Q: Is 400,499 a Prime Number?
A: No, 400,499 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 400499 can be evenly divided by 1 11 23 253 1,583 17,413 36,409 and 400,499, with no remainder.
Since 400,499 cannot be divided by just 1 and 400,499, it is not a prime number.