Q: Is 400,495 a Prime Number?
A: No, 400,495 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 400495 can be evenly divided by 1 5 173 463 865 2,315 80,099 and 400,495, with no remainder.
Since 400,495 cannot be divided by just 1 and 400,495, it is not a prime number.