Q: Is 428,739 a Prime Number?
A: No, 428,739 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 428739 can be evenly divided by 1 3 241 593 723 1,779 142,913 and 428,739, with no remainder.
Since 428,739 cannot be divided by just 1 and 428,739, it is not a prime number.