Q: Is 428,514 a Prime Number?
A: No, 428,514 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 428514 can be evenly divided by 1 2 3 6 71,419 142,838 214,257 and 428,514, with no remainder.
Since 428,514 cannot be divided by just 1 and 428,514, it is not a prime number.