Q: Is 420,161 a Prime Number?
A: No, 420,161 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 420161 can be evenly divided by 1 7 193 311 1,351 2,177 60,023 and 420,161, with no remainder.
Since 420,161 cannot be divided by just 1 and 420,161, it is not a prime number.