Q: Is 400,167 a Prime Number?
A: No, 400,167 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 400167 can be evenly divided by 1 3 9 27 14,821 44,463 133,389 and 400,167, with no remainder.
Since 400,167 cannot be divided by just 1 and 400,167, it is not a prime number.