Q: Is 400,449 a Prime Number?
A: No, 400,449 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 400449 can be evenly divided by 1 3 7 21 19,069 57,207 133,483 and 400,449, with no remainder.
Since 400,449 cannot be divided by just 1 and 400,449, it is not a prime number.