Q: Is 400,101 a Prime Number?
A: No, 400,101 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 400101 can be evenly divided by 1 3 13 39 10,259 30,777 133,367 and 400,101, with no remainder.
Since 400,101 cannot be divided by just 1 and 400,101, it is not a prime number.