Q: Is 421,794 a Prime Number?
A: No, 421,794 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 421794 can be evenly divided by 1 2 3 6 9 18 27 54 73 107 146 214 219 321 438 642 657 963 1,314 1,926 1,971 2,889 3,942 5,778 7,811 15,622 23,433 46,866 70,299 140,598 210,897 and 421,794, with no remainder.
Since 421,794 cannot be divided by just 1 and 421,794, it is not a prime number.