Q: Is 421,942 a Prime Number?
A: No, 421,942 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 421942 can be evenly divided by 1 2 113 226 1,867 3,734 210,971 and 421,942, with no remainder.
Since 421,942 cannot be divided by just 1 and 421,942, it is not a prime number.