Q: Is 428,330 a Prime Number?
A: No, 428,330 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 428330 can be evenly divided by 1 2 5 7 10 14 29 35 58 70 145 203 211 290 406 422 1,015 1,055 1,477 2,030 2,110 2,954 6,119 7,385 12,238 14,770 30,595 42,833 61,190 85,666 214,165 and 428,330, with no remainder.
Since 428,330 cannot be divided by just 1 and 428,330, it is not a prime number.