Q: Is 400,496 a Prime Number?
A: No, 400,496 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 400496 can be evenly divided by 1 2 4 8 16 25,031 50,062 100,124 200,248 and 400,496, with no remainder.
Since 400,496 cannot be divided by just 1 and 400,496, it is not a prime number.