Q: Is 428,343 a Prime Number?
A: No, 428,343 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 428343 can be evenly divided by 1 3 71 213 2,011 6,033 142,781 and 428,343, with no remainder.
Since 428,343 cannot be divided by just 1 and 428,343, it is not a prime number.